fixed working strechblt for all dibxx now. do not say it does not take offset of...
authorMagnus Olsen <magnus@greatlord.com>
Fri, 6 Jan 2006 05:27:48 +0000 (05:27 +0000)
committerMagnus Olsen <magnus@greatlord.com>
Fri, 6 Jan 2006 05:27:48 +0000 (05:27 +0000)
svn path=/trunk/; revision=20602

reactos/subsys/win32k/dib/dib1bpp.c
reactos/subsys/win32k/dib/dib24bpp.c
reactos/subsys/win32k/dib/dib4bpp.c
reactos/subsys/win32k/dib/dib8bpp.c

index 8bec335..8777f63 100644 (file)
@@ -502,793 +502,130 @@ BOOLEAN DIB_1BPP_StretchBlt(SURFOBJ *DestSurf, SURFOBJ *SourceSurf,
                             CLIPOBJ *ClipRegion, XLATEOBJ *ColorTranslation,
                             ULONG Mode)
 {
-   int SrcSizeY;
-   int SrcSizeX;
-   int DesSizeY;
-   int DesSizeX;      
-   int sx;
-   int sy;
-   int DesX;
-   int DesY;
-   int color;
-   int zoomX;
-   int zoomY;
-   int count;
-   int saveX = 0;
-   int saveY;
-   BOOLEAN DesIsBiggerY=FALSE;
-
-    SrcSizeY = SourceRect->bottom - SourceRect->top;
-    SrcSizeX = SourceRect->right - SourceRect->left;
+   LONG SrcSizeY;
+   LONG SrcSizeX;
+   LONG DesSizeY;
+   LONG DesSizeX;      
+   LONG sx;
+   LONG sy;
+   LONG DesX;
+   LONG DesY;
+   LONG color;
   
-    DesSizeY = DestRect->bottom;
-    DesSizeX = DestRect->right;  
-
-   zoomX = DesSizeX / SrcSizeX;
-   if (zoomX==0) zoomX=1;
-
-   zoomY = DesSizeY / SrcSizeY;
-   if (zoomY==0) zoomY=1;
-
-   if (DesSizeY>SrcSizeY)
-      DesIsBiggerY = TRUE;
-
-
-    switch(SourceSurf->iBitmapFormat)
-    {
-      case BMF_1BPP:           
-                  /* FIXME :  MaskOrigin, BrushOrigin, ClipRegion, Mode ? */
-                  /* This is a reference implementation, it hasn't been optimized for speed */
-           if (zoomX>1)
-                  {
-                    /* Draw one Hline on X - Led to the Des Zoom In*/
-                    if (DesSizeX>SrcSizeX)
-                        {
-                               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {                                               
-                                               sx = (int) ((ULONG) SrcSizeX * (ULONG) DesX) / ((ULONG) DesSizeX);
-                                               
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               saveX = DesX + zoomX;
-
-                                               color = DIB_1BPP_GetPixel(SourceSurf, sx, sy);
-                                               
-                                               for (count=DesY;count<saveY;count++)
-                                                       DIB_1BPP_HLine(DestSurf, DesX, saveX, count, color);
-                                               
-                                                                                                                                                                                               
-                                         }                                                                             
-                                 }
-                           }
-                        else
-                        {
-                          /* Draw one Hline on X - Led to the Des Zoom Out*/
-
-               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {
-                                               sx = (int) ((ULONG) DesSizeX * (ULONG) DesX) / ((ULONG) SrcSizeX);                                                                  
-                                       
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               saveX = DesX + zoomX;
-
-                                               color = DIB_1BPP_GetPixel(SourceSurf, sx, sy);
-                                               
-                                               for (count=DesY;count<saveY;count++)
-                                                       DIB_1BPP_HLine(DestSurf, DesX, saveX, count, color);
-                                               
-                                                                                                                                                                                               
-                                         }                                                                             
-                                 }
-                        }
-                  }                    
-                  else
-                  {
-                   
-                   if (DesSizeX>SrcSizeX)
-                       {
-                               /* Draw one pixel on X - Led to the Des Zoom In*/
-                               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {                                               
-                                               sx = (int) ((ULONG) SrcSizeX * (ULONG) DesX) / ((ULONG) DesSizeX);
-                                               
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               color = DIB_1BPP_GetPixel(SourceSurf, sx, sy);
-                                               
-                                               for (count=DesY;count<saveY;count++)
-                                                       DIB_1BPP_HLine(DestSurf, DesX, saveX, count, color);
-                                                                                                       
-                                        }
-                         }
-                        }
-                       else
-                       {
-                               /* Draw one pixel on X - Led to the Des Zoom Out*/
-                               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                       else
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {
-                                               sx = (int) ((ULONG) SrcSizeX * (ULONG) DesX) / ((ULONG) DesSizeX);                                                                  
-                                       
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               color = DIB_1BPP_GetPixel(SourceSurf, sx, sy);
-                                               
-                                               for (count=DesY;count<saveY;count++)
-                                                       DIB_1BPP_HLine(DestSurf, DesX, DesX + zoomX, count, color);
-                                                                                                       
-                                        }
-                         }
-                       }
-                  }
-               break;
+   SrcSizeY = SourceRect->bottom - SourceRect->top;
+   SrcSizeX = SourceRect->right - SourceRect->left;
+  
+   DesSizeY = DestRect->bottom - DestRect->top;
+   DesSizeX = DestRect->right - DestRect->left;
+
+   switch(SourceSurf->iBitmapFormat)
+   {
+      case BMF_1BPP:
+         /* FIXME :  MaskOrigin, BrushOrigin, ClipRegion, Mode ? */
+      /* This is a reference implementation, it hasn't been optimized for speed */
+                      
+       for (DesY=DestRect->top; DesY<DestRect->bottom; DesY++)
+       {                        
+           sy = (((DesY - DestRect->top) * SrcSizeY) / DesSizeY) + SourceRect->top;
+                     
+            for (DesX=DestRect->left; DesX<DestRect->right; DesX++)
+            {                  
+                  sx = (((DesX - DestRect->left) * SrcSizeX) / DesSizeX) + SourceRect->left;
+                               
+                  color = DIB_1BPP_GetPixel(SourceSurf, sx, sy);
+                                 DIB_1BPP_PutPixel(DestSurf, DesX, DesY, XLATEOBJ_iXlate(ColorTranslation, 0));                  
+            }
+       }               
+
+         break;
 
       case BMF_4BPP:           
-                  /* FIXME :  MaskOrigin, BrushOrigin, ClipRegion, Mode ? */
-                  /* This is a reference implementation, it hasn't been optimized for speed */
-           if (zoomX>1)
-                  {
-                    /* Draw one Hline on X - Led to the Des Zoom In*/
-                    if (DesSizeX>SrcSizeX)
-                        {
-                               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {                                               
-                                               sx = (int) ((ULONG) SrcSizeX * (ULONG) DesX) / ((ULONG) DesSizeX);
-                                               
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               color =  XLATEOBJ_iXlate(ColorTranslation, DIB_4BPP_GetPixel(SourceSurf, sx, sy));
-                                                                                               
-                                               saveX = DesX + zoomX;
-                                               for (count=DesY;count<saveY;count++)
-                                                       DIB_1BPP_HLine(DestSurf, DesX, saveX, count, color);
-                                         }                                                                             
-                                 }
-                           }
-                        else
-                        {
-                          /* Draw one Hline on X - Led to the Des Zoom Out*/
-
-               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {
-                                               sx = (int) ((ULONG) DesSizeX * (ULONG) DesX) / ((ULONG) SrcSizeX);                                                                  
-                                       
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               color =  XLATEOBJ_iXlate(ColorTranslation, DIB_4BPP_GetPixel(SourceSurf, sx, sy));
-                                                                                               
-                                               saveX = DesX + zoomX;
-                                               for (count=DesY;count<saveY;count++)
-                                                       DIB_1BPP_HLine(DestSurf, DesX, saveX, count, color);
-                                         }                                                                             
-                                 }
-                        }
-                  }
-                       
-                  else
-                  {
-                   
-                   if (DesSizeX>SrcSizeX)
-                       {
-                               /* Draw one pixel on X - Led to the Des Zoom In*/
-                               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {                                               
-                                               sx = (int) ((ULONG) SrcSizeX * (ULONG) DesX) / ((ULONG) DesSizeX);
-                                               
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               color =  XLATEOBJ_iXlate(ColorTranslation, DIB_4BPP_GetPixel(SourceSurf, sx, sy));
-                                                           
-                                               for (count=DesY;count<saveY;count++)
-                                                       DIB_1BPP_PutPixel(DestSurf, DesX, count, color);                                                                                
-                                        }
-                         }
-                        }
-                       else
-                       {
-                               /* Draw one pixel on X - Led to the Des Zoom Out*/
-                               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {
-                                               sx = (int) ((ULONG) DesSizeX * (ULONG) DesX) / ((ULONG) SrcSizeX);                                                                  
-                                       
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               color =  XLATEOBJ_iXlate(ColorTranslation, DIB_4BPP_GetPixel(SourceSurf, sx, sy));
-                                                           
-                                               for (count=DesY;count<saveY;count++)
-                                                       DIB_1BPP_PutPixel(DestSurf, DesX, count, color);                                                                                
-                                        }
-                         }
-                       }
-                  }
-               break;
+      /* FIXME :  MaskOrigin, BrushOrigin, ClipRegion, Mode ? */
+      /* This is a reference implementation, it hasn't been optimized for speed */
+                      
+       for (DesY=DestRect->top; DesY<DestRect->bottom; DesY++)
+       {                        
+           sy = (((DesY - DestRect->top) * SrcSizeY) / DesSizeY) + SourceRect->top;
+                     
+            for (DesX=DestRect->left; DesX<DestRect->right; DesX++)
+            {                  
+                 sx = (((DesX - DestRect->left) * SrcSizeX) / DesSizeX) + SourceRect->left;            
+                 color = DIB_4BPP_GetPixel(SourceSurf, sx, sy);
+                 DIB_1BPP_PutPixel(DestSurf, DesX, DesY, XLATEOBJ_iXlate(ColorTranslation, color));
+            }
+       }                  
+      break;
 
       case BMF_8BPP:           
-                  /* FIXME :  MaskOrigin, BrushOrigin, ClipRegion, Mode ? */
-                  /* This is a reference implementation, it hasn't been optimized for speed */
-           if (zoomX>1)
-                  {
-                    /* Draw one Hline on X - Led to the Des Zoom In*/
-                    if (DesSizeX>SrcSizeX)
-                        {
-                               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {                                               
-                                               sx = (int) ((ULONG) SrcSizeX * (ULONG) DesX) / ((ULONG) DesSizeX);
-                                               
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               color =  XLATEOBJ_iXlate(ColorTranslation, DIB_8BPP_GetPixel(SourceSurf, sx, sy));
-                                                                                               
-                                               saveX = DesX + zoomX;
-                                               for (count=DesY;count<saveY;count++)
-                                                       DIB_1BPP_HLine(DestSurf, DesX, saveX, count, color);
-                                         }                                                                             
-                                 }
-                           }
-                        else
-                        {
-                          /* Draw one Hline on X - Led to the Des Zoom Out*/
-
-               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {
-                                               sx = (int) ((ULONG) DesSizeX * (ULONG) DesX) / ((ULONG) SrcSizeX);                                                                  
-                                       
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               color =  XLATEOBJ_iXlate(ColorTranslation, DIB_8BPP_GetPixel(SourceSurf, sx, sy));
-                                                                                               
-                                               saveX = DesX + zoomX;
-                                               for (count=DesY;count<saveY;count++)
-                                                       DIB_1BPP_HLine(DestSurf, DesX, saveX, count, color);
-                                         }                                                                             
-                                 }
-                        }
-                  }
-                       
-                  else
-                  {
-                   
-                   if (DesSizeX>SrcSizeX)
-                       {
-                               /* Draw one pixel on X - Led to the Des Zoom In*/
-                               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {                                               
-                                               sx = (int) ((ULONG) SrcSizeX * (ULONG) DesX) / ((ULONG) DesSizeX);
-                                               
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               color =  XLATEOBJ_iXlate(ColorTranslation, DIB_8BPP_GetPixel(SourceSurf, sx, sy));
-                                                           
-                                               for (count=DesY;count<saveY;count++)
-                                                       DIB_1BPP_PutPixel(DestSurf, DesX, count, color);                                                                                
-                                        }
-                         }
-                        }
-                       else
-                       {
-                               /* Draw one pixel on X - Led to the Des Zoom Out*/
-                               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {
-                                               sx = (int) ((ULONG) DesSizeX * (ULONG) DesX) / ((ULONG) SrcSizeX);                                                                  
-                                       
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               color =  XLATEOBJ_iXlate(ColorTranslation, DIB_8BPP_GetPixel(SourceSurf, sx, sy));
-                                                           
-                                               for (count=DesY;count<saveY;count++)
-                                                       DIB_1BPP_PutPixel(DestSurf, DesX, count, color);                                                                                
-                                        }
-                         }
-                       }
-                  }
-               break;
+      /* FIXME :  MaskOrigin, BrushOrigin, ClipRegion, Mode ? */
+      /* This is a reference implementation, it hasn't been optimized for speed */
+                      
+       for (DesY=DestRect->top; DesY<DestRect->bottom; DesY++)
+       {                        
+           sy = (((DesY - DestRect->top) * SrcSizeY) / DesSizeY) + SourceRect->top;
+                     
+            for (DesX=DestRect->left; DesX<DestRect->right; DesX++)
+            {                  
+                 sx = (((DesX - DestRect->left) * SrcSizeX) / DesSizeX) + SourceRect->left;            
+                 color = DIB_8BPP_GetPixel(SourceSurf, sx, sy);
+                 DIB_1BPP_PutPixel(DestSurf, DesX, DesY, XLATEOBJ_iXlate(ColorTranslation, color));
+            }
+       }                  
+      break;
 
       case BMF_16BPP:          
-                  /* FIXME :  MaskOrigin, BrushOrigin, ClipRegion, Mode ? */
-                  /* This is a reference implementation, it hasn't been optimized for speed */
-           if (zoomX>1)
-                  {
-                    /* Draw one Hline on X - Led to the Des Zoom In*/
-                    if (DesSizeX>SrcSizeX)
-                        {
-                               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {                                               
-                                               sx = (int) ((ULONG) SrcSizeX * (ULONG) DesX) / ((ULONG) DesSizeX);
-                                               
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               color =  XLATEOBJ_iXlate(ColorTranslation, DIB_16BPP_GetPixel(SourceSurf, sx, sy));
-                                                                                               
-                                               saveX = DesX + zoomX;
-                                               for (count=DesY;count<saveY;count++)
-                                                       DIB_1BPP_HLine(DestSurf, DesX, saveX, count, color);
-                                         }                                                                             
-                                 }
-                           }
-                        else
-                        {
-                          /* Draw one Hline on X - Led to the Des Zoom Out*/
-
-               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {
-                                               sx = (int) ((ULONG) DesSizeX * (ULONG) DesX) / ((ULONG) SrcSizeX);                                                                  
-                                       
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               color =  XLATEOBJ_iXlate(ColorTranslation, DIB_16BPP_GetPixel(SourceSurf, sx, sy));
-                                                                                               
-                                               saveX = DesX + zoomX;
-                                               for (count=DesY;count<saveY;count++)
-                                                       DIB_1BPP_HLine(DestSurf, DesX, saveX, count, color);
-                                         }                                                                             
-                                 }
-                        }
-                  }
-                       
-                  else
-                  {
-                   
-                   if (DesSizeX>SrcSizeX)
-                       {
-                               /* Draw one pixel on X - Led to the Des Zoom In*/
-                               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {                                               
-                                               sx = (int) ((ULONG) SrcSizeX * (ULONG) DesX) / ((ULONG) DesSizeX);
-                                               
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               color =  XLATEOBJ_iXlate(ColorTranslation, DIB_16BPP_GetPixel(SourceSurf, sx, sy));
-                                                           
-                                               for (count=DesY;count<saveY;count++)
-                                                       DIB_1BPP_PutPixel(DestSurf, DesX, count, color);                                                                                
-                                        }
-                         }
-                        }
-                       else
-                       {
-                               /* Draw one pixel on X - Led to the Des Zoom Out*/
-                               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {
-                                               sx = (int) ((ULONG) DesSizeX * (ULONG) DesX) / ((ULONG) SrcSizeX);                                                                  
-                                       
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               color =  XLATEOBJ_iXlate(ColorTranslation, DIB_16BPP_GetPixel(SourceSurf, sx, sy));
-                                                           
-                                               for (count=DesY;count<saveY;count++)
-                                                       DIB_1BPP_PutPixel(DestSurf, DesX, count, color);                                                                                
-                                        }
-                         }
-                       }
-                  }
-               break;
+      /* FIXME :  MaskOrigin, BrushOrigin, ClipRegion, Mode ? */
+      /* This is a reference implementation, it hasn't been optimized for speed */
+                      
+       for (DesY=DestRect->top; DesY<DestRect->bottom; DesY++)
+       {                        
+           sy = (((DesY - DestRect->top) * SrcSizeY) / DesSizeY) + SourceRect->top;
+                     
+            for (DesX=DestRect->left; DesX<DestRect->right; DesX++)
+            {                  
+                 sx = (((DesX - DestRect->left) * SrcSizeX) / DesSizeX) + SourceRect->left;            
+                 color = DIB_16BPP_GetPixel(SourceSurf, sx, sy);
+                 DIB_1BPP_PutPixel(DestSurf, DesX, DesY, XLATEOBJ_iXlate(ColorTranslation, color));
+            }
+       }                  
+      break;
 
       case BMF_24BPP:          
-                  /* FIXME :  MaskOrigin, BrushOrigin, ClipRegion, Mode ? */
-                  /* This is a reference implementation, it hasn't been optimized for speed */
-           if (zoomX>1)
-                  {
-                    /* Draw one Hline on X - Led to the Des Zoom In*/
-                    if (DesSizeX>SrcSizeX)
-                        {
-                               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {                                               
-                                               sx = (int) ((ULONG) SrcSizeX * (ULONG) DesX) / ((ULONG) DesSizeX);
-                                               
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               color =  XLATEOBJ_iXlate(ColorTranslation, DIB_24BPP_GetPixel(SourceSurf, sx, sy));
-                                                                                               
-                                               saveX = DesX + zoomX;
-                                               for (count=DesY;count<saveY;count++)
-                                                       DIB_1BPP_HLine(DestSurf, DesX, saveX, count, color);
-                                         }                                                                             
-                                 }
-                           }
-                        else
-                        {
-                          /* Draw one Hline on X - Led to the Des Zoom Out*/
-
-               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {
-                                               sx = (int) ((ULONG) DesSizeX * (ULONG) DesX) / ((ULONG) SrcSizeX);                                                                  
-                                       
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               color =  XLATEOBJ_iXlate(ColorTranslation, DIB_24BPP_GetPixel(SourceSurf, sx, sy));
-                                                                                               
-                                               saveX = DesX + zoomX;
-                                               for (count=DesY;count<saveY;count++)
-                                                       DIB_1BPP_HLine(DestSurf, DesX, saveX, count, color);
-                                         }                                                                             
-                                 }
-                        }
-                  }
-                       
-                  else
-                  {
-                   
-                   if (DesSizeX>SrcSizeX)
-                       {
-                               /* Draw one pixel on X - Led to the Des Zoom In*/
-                               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {                                               
-                                               sx = (int) ((ULONG) SrcSizeX * (ULONG) DesX) / ((ULONG) DesSizeX);
-                                               
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               color =  XLATEOBJ_iXlate(ColorTranslation, DIB_24BPP_GetPixel(SourceSurf, sx, sy));
-                                                           
-                                               for (count=DesY;count<saveY;count++)
-                                                       DIB_1BPP_PutPixel(DestSurf, DesX, count, color);                                                                                
-                                        }
-                         }
-                        }
-                       else
-                       {
-                               /* Draw one pixel on X - Led to the Des Zoom Out*/
-                               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {
-                                               sx = (int) ((ULONG) DesSizeX * (ULONG) DesX) / ((ULONG) SrcSizeX);                                                                  
-                                       
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               color =  XLATEOBJ_iXlate(ColorTranslation, DIB_24BPP_GetPixel(SourceSurf, sx, sy));
-                                                           
-                                               for (count=DesY;count<saveY;count++)
-                                                       DIB_1BPP_PutPixel(DestSurf, DesX, count, color);                                                                                
-                                        }
-                         }
-                       }
-                  }
-               break;
+      /* FIXME :  MaskOrigin, BrushOrigin, ClipRegion, Mode ? */
+      /* This is a reference implementation, it hasn't been optimized for speed */
+                      
+       for (DesY=DestRect->top; DesY<DestRect->bottom; DesY++)
+       {                        
+           sy = (((DesY - DestRect->top) * SrcSizeY) / DesSizeY) + SourceRect->top;
+                     
+            for (DesX=DestRect->left; DesX<DestRect->right; DesX++)
+            {                  
+                 sx = (((DesX - DestRect->left) * SrcSizeX) / DesSizeX) + SourceRect->left;            
+                 color = DIB_24BPP_GetPixel(SourceSurf, sx, sy);
+                 DIB_1BPP_PutPixel(DestSurf, DesX, DesY, XLATEOBJ_iXlate(ColorTranslation, color));
+            }
+       }                  
+      break;
 
       case BMF_32BPP:          
-                  /* FIXME :  MaskOrigin, BrushOrigin, ClipRegion, Mode ? */
-                  /* This is a reference implementation, it hasn't been optimized for speed */
-           if (zoomX>1)
-                  {
-                    /* Draw one Hline on X - Led to the Des Zoom In*/
-                    if (DesSizeX>SrcSizeX)
-                        {
-                               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {                                               
-                                               sx = (int) ((ULONG) SrcSizeX * (ULONG) DesX) / ((ULONG) DesSizeX);
-                                               
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               color =  XLATEOBJ_iXlate(ColorTranslation, DIB_32BPP_GetPixel(SourceSurf, sx, sy));
-                                                                                               
-                                               saveX = DesX + zoomX;
-                                               for (count=DesY;count<saveY;count++)
-                                                       DIB_1BPP_HLine(DestSurf, DesX, saveX, count, color);
-                                         }                                                                             
-                                 }
-                           }
-                        else
-                        {
-                          /* Draw one Hline on X - Led to the Des Zoom Out*/
-
-               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {
-                                               sx = (int) ((ULONG) DesSizeX * (ULONG) DesX) / ((ULONG) SrcSizeX);                                                                  
-                                       
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               color =  XLATEOBJ_iXlate(ColorTranslation, DIB_32BPP_GetPixel(SourceSurf, sx, sy));
-                                                                                               
-                                               saveX = DesX + zoomX;
-                                               for (count=DesY;count<saveY;count++)
-                                                       DIB_1BPP_HLine(DestSurf, DesX, saveX, count, color);
-                                         }                                                                             
-                                 }
-                        }
-                  }
-                       
-                  else
-                  {
-                   
-                   if (DesSizeX>SrcSizeX)
-                       {
-                               /* Draw one pixel on X - Led to the Des Zoom In*/
-                               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {                                               
-                                               sx = (int) ((ULONG) SrcSizeX * (ULONG) DesX) / ((ULONG) DesSizeX);
-                                               
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               color =  XLATEOBJ_iXlate(ColorTranslation, DIB_32BPP_GetPixel(SourceSurf, sx, sy));
-                                                           
-                                               for (count=DesY;count<saveY;count++)
-                                                       DIB_1BPP_PutPixel(DestSurf, DesX, count, color);                                                                                
-                                        }
-                         }
-                        }
-                       else
-                       {
-                               /* Draw one pixel on X - Led to the Des Zoom Out*/
-                               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {
-                                               sx = (int) ((ULONG) DesSizeX * (ULONG) DesX) / ((ULONG) SrcSizeX);                                                                  
-                                       
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               color =  XLATEOBJ_iXlate(ColorTranslation, DIB_32BPP_GetPixel(SourceSurf, sx, sy));
-                                                           
-                                               for (count=DesY;count<saveY;count++)
-                                                       DIB_1BPP_PutPixel(DestSurf, DesX, count, color);                                                                                
-                                        }
-                         }
-                       }
-                  }
-               break;
+      /* FIXME :  MaskOrigin, BrushOrigin, ClipRegion, Mode ? */
+      /* This is a reference implementation, it hasn't been optimized for speed */
+                      
+       for (DesY=DestRect->top; DesY<DestRect->bottom; DesY++)
+       {                        
+           sy = (((DesY - DestRect->top) * SrcSizeY) / DesSizeY) + SourceRect->top;
+                     
+            for (DesX=DestRect->left; DesX<DestRect->right; DesX++)
+            {                  
+                 sx = (((DesX - DestRect->left) * SrcSizeX) / DesSizeX) + SourceRect->left;            
+                 color = DIB_32BPP_GetPixel(SourceSurf, sx, sy);
+                 DIB_1BPP_PutPixel(DestSurf, DesX, DesY, XLATEOBJ_iXlate(ColorTranslation, color));
+            }
+       }                  
+      break;
 
       default:
-      //DPRINT1("DIB_4BPP_StretchBlt: Unhandled Source BPP: %u\n", BitsPerFormat(SourceSurf->iBitmapFormat));
+      //DPRINT1("DIB_1BPP_StretchBlt: Unhandled Source BPP: %u\n", BitsPerFormat(SourceSurf->iBitmapFormat));
       return FALSE;
     }
   
index 960bc8c..30493e1 100644 (file)
@@ -497,796 +497,133 @@ BOOLEAN DIB_24BPP_StretchBlt(SURFOBJ *DestSurf, SURFOBJ *SourceSurf,
                             CLIPOBJ *ClipRegion, XLATEOBJ *ColorTranslation,
                             ULONG Mode)
 {
-   int SrcSizeY;
-   int SrcSizeX;
-   int DesSizeY;
-   int DesSizeX;      
-   int sx;
-   int sy;
-   int DesX;
-   int DesY;
-   int color;
-   int zoomX;
-   int zoomY;
-   int count;
-   int saveX;
-   int saveY;
-   BOOLEAN DesIsBiggerY=FALSE;
-
-    SrcSizeY = SourceRect->bottom - SourceRect->top;
-    SrcSizeX = SourceRect->right - SourceRect->left;
+   LONG SrcSizeY;
+   LONG SrcSizeX;
+   LONG DesSizeY;
+   LONG DesSizeX;      
+   LONG sx;
+   LONG sy;
+   LONG DesX;
+   LONG DesY;
+   LONG color;
   
-    DesSizeY = DestRect->bottom ;
-    DesSizeX = DestRect->right;  
-
-   zoomX = DesSizeX / SrcSizeX;
-   if (zoomX==0) zoomX=1;
-
-   zoomY = DesSizeY / SrcSizeY;
-   if (zoomY==0) zoomY=1;
-
-   if (DesSizeY>SrcSizeY)
-      DesIsBiggerY = TRUE;  
+   SrcSizeY = SourceRect->bottom - SourceRect->top;
+   SrcSizeX = SourceRect->right - SourceRect->left;
+  
+   DesSizeY = DestRect->bottom - DestRect->top;
+   DesSizeX = DestRect->right - DestRect->left;
 
-    switch(SourceSurf->iBitmapFormat)
-    {
-            case BMF_1BPP:             
-                  /* FIXME :  MaskOrigin, BrushOrigin, ClipRegion, Mode ? */
-                  /* This is a reference implementation, it hasn't been optimized for speed */
-           if (zoomX>1)
-                  {
-                    /* Draw one Hline on X - Led to the Des Zoom In*/
-                    if (DesSizeX>SrcSizeX)
-                        {
-                               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {                                               
-                                               sx = (int) ((ULONG) SrcSizeX * (ULONG) DesX) / ((ULONG) DesSizeX);
-                                               
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               saveX = DesX + zoomX;
-
-                                               if (DIB_1BPP_GetPixel(SourceSurf, sx, sy) == 0) 
-                                                  for (count=DesY;count<saveY;count++)
-                                                       DIB_24BPP_HLine(DestSurf, DesX, saveX, count, 0);
-                                               else
-                                                       for (count=DesY;count<saveY;count++)
-                                                       DIB_24BPP_HLine(DestSurf, DesX, saveX, count, 1);
-                                                                                                                                                                                               
-                                         }                                                                             
-                                 }
-                           }
-                        else
-                        {
-                          /* Draw one Hline on X - Led to the Des Zoom Out*/
-
-               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {
-                                               sx = (int) ((ULONG) DesSizeX * (ULONG) DesX) / ((ULONG) SrcSizeX);                                                                  
-                                       
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               saveX = DesX + zoomX;
-
-                                               if (DIB_1BPP_GetPixel(SourceSurf, sx, sy) == 0) 
-                                                  for (count=DesY;count<saveY;count++)
-                                                       DIB_24BPP_HLine(DestSurf, DesX, saveX, count, 0);
-                                               else
-                                                       for (count=DesY;count<saveY;count++)
-                                                       DIB_24BPP_HLine(DestSurf, DesX, saveX, count, 1);
-                                                                                                                                                                                               
-                                         }                                                                             
-                                 }
-                        }
-                  }                    
-                  else
-                  {
-                   
-                   if (DesSizeX>SrcSizeX)
-                       {
-                               /* Draw one pixel on X - Led to the Des Zoom In*/
-                               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {                                               
-                                               sx = (int) ((ULONG) SrcSizeX * (ULONG) DesX) / ((ULONG) DesSizeX);
-                                               
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               if (DIB_1BPP_GetPixel(SourceSurf, sx, sy) == 0) 
-                                                  for (count=DesY;count<saveY;count++)
-                                                       DIB_24BPP_PutPixel(DestSurf, DesX, count, 0);                                                                           
-                                               else
-                                                       for (count=DesY;count<saveY;count++)
-                                                       DIB_24BPP_PutPixel(DestSurf, DesX, count, 1);                                                                           
-                                                           
-                                               
-                                        }
-                         }
-                        }
-                       else
-                       {
-                               /* Draw one pixel on X - Led to the Des Zoom Out*/
-                               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {
-                                               sx = (int) ((ULONG) DesSizeX * (ULONG) DesX) / ((ULONG) SrcSizeX);                                                                  
-                                       
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               if (DIB_1BPP_GetPixel(SourceSurf, sx, sy) == 0) 
-                                                  for (count=DesY;count<saveY;count++)
-                                                       DIB_24BPP_PutPixel(DestSurf, DesX, count, 0);                                                                           
-                                               else
-                                                       for (count=DesY;count<saveY;count++)
-                                                       DIB_24BPP_PutPixel(DestSurf, DesX, count, 1);                                                                           
-                                                                                                       
-                                        }
-                         }
-                       }
-                  }
-               break;
+   switch(SourceSurf->iBitmapFormat)
+   {
+      case BMF_1BPP:
+         /* FIXME :  MaskOrigin, BrushOrigin, ClipRegion, Mode ? */
+      /* This is a reference implementation, it hasn't been optimized for speed */
+                      
+       for (DesY=DestRect->top; DesY<DestRect->bottom; DesY++)
+       {                        
+           sy = (((DesY - DestRect->top) * SrcSizeY) / DesSizeY) + SourceRect->top;
+                     
+            for (DesX=DestRect->left; DesX<DestRect->right; DesX++)
+            {                  
+                  sx = (((DesX - DestRect->left) * SrcSizeX) / DesSizeX) + SourceRect->left;
+                               
+                  if(DIB_1BPP_GetPixel(SourceSurf, sx, sy) == 0)
+                                 {
+                                       DIB_24BPP_PutPixel(DestSurf, DesX, DesY, XLATEOBJ_iXlate(ColorTranslation, 0));
+                  } 
+                                 else 
+                                 {
+                    DIB_24BPP_PutPixel(DestSurf, DesX, DesY, XLATEOBJ_iXlate(ColorTranslation, 1));
+                  }
+            }
+       }               
+
+         break;
 
       case BMF_4BPP:           
-                  /* FIXME :  MaskOrigin, BrushOrigin, ClipRegion, Mode ? */
-                  /* This is a reference implementation, it hasn't been optimized for speed */
-           if (zoomX>1)
-                  {
-                    /* Draw one Hline on X - Led to the Des Zoom In*/
-                    if (DesSizeX>SrcSizeX)
-                        {
-                               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {                                               
-                                               sx = (int) ((ULONG) SrcSizeX * (ULONG) DesX) / ((ULONG) DesSizeX);
-                                               
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               color =  XLATEOBJ_iXlate(ColorTranslation, DIB_4BPP_GetPixel(SourceSurf, sx, sy));
-                                                                                               
-                                               saveX = DesX + zoomX;
-                                               for (count=DesY;count<saveY;count++)
-                                                       DIB_24BPP_HLine(DestSurf, DesX, saveX, count, color);
-                                         }                                                                             
-                                 }
-                           }
-                        else
-                        {
-                          /* Draw one Hline on X - Led to the Des Zoom Out*/
-
-               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {
-                                               sx = (int) ((ULONG) DesSizeX * (ULONG) DesX) / ((ULONG) SrcSizeX);                                                                  
-                                       
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               color =  XLATEOBJ_iXlate(ColorTranslation, DIB_4BPP_GetPixel(SourceSurf, sx, sy));
-                                                                                               
-                                               saveX = DesX + zoomX;
-                                               for (count=DesY;count<saveY;count++)
-                                                       DIB_24BPP_HLine(DestSurf, DesX, saveX, count, color);
-                                         }                                                                             
-                                 }
-                        }
-                  }
-                       
-                  else
-                  {
-                   
-                   if (DesSizeX>SrcSizeX)
-                       {
-                               /* Draw one pixel on X - Led to the Des Zoom In*/
-                               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {                                               
-                                               sx = (int) ((ULONG) SrcSizeX * (ULONG) DesX) / ((ULONG) DesSizeX);
-                                               
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               color =  XLATEOBJ_iXlate(ColorTranslation, DIB_4BPP_GetPixel(SourceSurf, sx, sy));
-                                                           
-                                               for (count=DesY;count<saveY;count++)
-                                                       DIB_24BPP_PutPixel(DestSurf, DesX, count, color);                                                                               
-                                        }
-                         }
-                        }
-                       else
-                       {
-                               /* Draw one pixel on X - Led to the Des Zoom Out*/
-                               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {
-                                               sx = (int) ((ULONG) DesSizeX * (ULONG) DesX) / ((ULONG) SrcSizeX);                                                                  
-                                       
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               color =  XLATEOBJ_iXlate(ColorTranslation, DIB_4BPP_GetPixel(SourceSurf, sx, sy));
-                                                           
-                                               for (count=DesY;count<saveY;count++)
-                                                       DIB_24BPP_PutPixel(DestSurf, DesX, count, color);                                                                               
-                                        }
-                         }
-                       }
-                  }
-               break;
+      /* FIXME :  MaskOrigin, BrushOrigin, ClipRegion, Mode ? */
+      /* This is a reference implementation, it hasn't been optimized for speed */
+                      
+       for (DesY=DestRect->top; DesY<DestRect->bottom; DesY++)
+       {                        
+           sy = (((DesY - DestRect->top) * SrcSizeY) / DesSizeY) + SourceRect->top;
+                     
+            for (DesX=DestRect->left; DesX<DestRect->right; DesX++)
+            {                  
+                 sx = (((DesX - DestRect->left) * SrcSizeX) / DesSizeX) + SourceRect->left;            
+                 color = DIB_4BPP_GetPixel(SourceSurf, sx, sy);
+                 DIB_24BPP_PutPixel(DestSurf, DesX, DesY, XLATEOBJ_iXlate(ColorTranslation, color));
+            }
+       }                  
+      break;
 
       case BMF_8BPP:           
-                  /* FIXME :  MaskOrigin, BrushOrigin, ClipRegion, Mode ? */
-                  /* This is a reference implementation, it hasn't been optimized for speed */
-           if (zoomX>1)
-                  {
-                    /* Draw one Hline on X - Led to the Des Zoom In*/
-                    if (DesSizeX>SrcSizeX)
-                        {
-                               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {                                               
-                                               sx = (int) ((ULONG) SrcSizeX * (ULONG) DesX) / ((ULONG) DesSizeX);
-                                               
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               color =  XLATEOBJ_iXlate(ColorTranslation, DIB_8BPP_GetPixel(SourceSurf, sx, sy));
-                                                                                               
-                                               saveX = DesX + zoomX;
-                                               for (count=DesY;count<saveY;count++)
-                                                       DIB_24BPP_HLine(DestSurf, DesX, saveX, count, color);
-                                         }                                                                             
-                                 }
-                           }
-                        else
-                        {
-                          /* Draw one Hline on X - Led to the Des Zoom Out*/
-
-               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {
-                                               sx = (int) ((ULONG) DesSizeX * (ULONG) DesX) / ((ULONG) SrcSizeX);                                                                  
-                                       
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               color =  XLATEOBJ_iXlate(ColorTranslation, DIB_8BPP_GetPixel(SourceSurf, sx, sy));
-                                                                                               
-                                               saveX = DesX + zoomX;
-                                               for (count=DesY;count<saveY;count++)
-                                                       DIB_24BPP_HLine(DestSurf, DesX, saveX, count, color);
-                                         }                                                                             
-                                 }
-                        }
-                  }
-                       
-                  else
-                  {
-                   
-                   if (DesSizeX>SrcSizeX)
-                       {
-                               /* Draw one pixel on X - Led to the Des Zoom In*/
-                               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {                                               
-                                               sx = (int) ((ULONG) SrcSizeX * (ULONG) DesX) / ((ULONG) DesSizeX);
-                                               
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               color =  XLATEOBJ_iXlate(ColorTranslation, DIB_8BPP_GetPixel(SourceSurf, sx, sy));
-                                                           
-                                               for (count=DesY;count<saveY;count++)
-                                                       DIB_24BPP_PutPixel(DestSurf, DesX, count, color);                                                                               
-                                        }
-                         }
-                        }
-                       else
-                       {
-                               /* Draw one pixel on X - Led to the Des Zoom Out*/
-                               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {
-                                               sx = (int) ((ULONG) DesSizeX * (ULONG) DesX) / ((ULONG) SrcSizeX);                                                                  
-                                       
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               color =  XLATEOBJ_iXlate(ColorTranslation, DIB_8BPP_GetPixel(SourceSurf, sx, sy));
-                                                           
-                                               for (count=DesY;count<saveY;count++)
-                                                       DIB_24BPP_PutPixel(DestSurf, DesX, count, color);                                                                               
-                                        }
-                         }
-                       }
-                  }
-               break;
+      /* FIXME :  MaskOrigin, BrushOrigin, ClipRegion, Mode ? */
+      /* This is a reference implementation, it hasn't been optimized for speed */
+                      
+       for (DesY=DestRect->top; DesY<DestRect->bottom; DesY++)
+       {                        
+           sy = (((DesY - DestRect->top) * SrcSizeY) / DesSizeY) + SourceRect->top;
+                     
+            for (DesX=DestRect->left; DesX<DestRect->right; DesX++)
+            {                  
+                 sx = (((DesX - DestRect->left) * SrcSizeX) / DesSizeX) + SourceRect->left;            
+                 color = DIB_8BPP_GetPixel(SourceSurf, sx, sy);
+                 DIB_24BPP_PutPixel(DestSurf, DesX, DesY, XLATEOBJ_iXlate(ColorTranslation, color));
+            }
+       }                  
+      break;
 
       case BMF_16BPP:          
-                  /* FIXME :  MaskOrigin, BrushOrigin, ClipRegion, Mode ? */
-                  /* This is a reference implementation, it hasn't been optimized for speed */
-           if (zoomX>1)
-                  {
-                    /* Draw one Hline on X - Led to the Des Zoom In*/
-                    if (DesSizeX>SrcSizeX)
-                        {
-                               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {                                               
-                                               sx = (int) ((ULONG) SrcSizeX * (ULONG) DesX) / ((ULONG) DesSizeX);
-                                               
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               color =  XLATEOBJ_iXlate(ColorTranslation, DIB_16BPP_GetPixel(SourceSurf, sx, sy));
-                                                                                               
-                                               saveX = DesX + zoomX;
-                                               for (count=DesY;count<saveY;count++)
-                                                       DIB_24BPP_HLine(DestSurf, DesX, saveX, count, color);
-                                         }                                                                             
-                                 }
-                           }
-                        else
-                        {
-                          /* Draw one Hline on X - Led to the Des Zoom Out*/
-
-               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {
-                                               sx = (int) ((ULONG) DesSizeX * (ULONG) DesX) / ((ULONG) SrcSizeX);                                                                  
-                                       
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               color =  XLATEOBJ_iXlate(ColorTranslation, DIB_16BPP_GetPixel(SourceSurf, sx, sy));
-                                                                                               
-                                               saveX = DesX + zoomX;
-                                               for (count=DesY;count<saveY;count++)
-                                                       DIB_24BPP_HLine(DestSurf, DesX, saveX, count, color);
-                                         }                                                                             
-                                 }
-                        }
-                  }
-                       
-                  else
-                  {
-                   
-                   if (DesSizeX>SrcSizeX)
-                       {
-                               /* Draw one pixel on X - Led to the Des Zoom In*/
-                               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {                                               
-                                               sx = (int) ((ULONG) SrcSizeX * (ULONG) DesX) / ((ULONG) DesSizeX);
-                                               
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               color =  XLATEOBJ_iXlate(ColorTranslation, DIB_16BPP_GetPixel(SourceSurf, sx, sy));
-                                                           
-                                               for (count=DesY;count<saveY;count++)
-                                                       DIB_24BPP_PutPixel(DestSurf, DesX, count, color);                                                                               
-                                        }
-                         }
-                        }
-                       else
-                       {
-                               /* Draw one pixel on X - Led to the Des Zoom Out*/
-                               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {
-                                               sx = (int) ((ULONG) DesSizeX * (ULONG) DesX) / ((ULONG) SrcSizeX);                                                                  
-                                       
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               color =  XLATEOBJ_iXlate(ColorTranslation, DIB_16BPP_GetPixel(SourceSurf, sx, sy));
-                                                           
-                                               for (count=DesY;count<saveY;count++)
-                                                       DIB_24BPP_PutPixel(DestSurf, DesX, count, color);                                                                               
-                                        }
-                         }
-                       }
-                  }
-               break;
+      /* FIXME :  MaskOrigin, BrushOrigin, ClipRegion, Mode ? */
+      /* This is a reference implementation, it hasn't been optimized for speed */
+                      
+       for (DesY=DestRect->top; DesY<DestRect->bottom; DesY++)
+       {                        
+           sy = (((DesY - DestRect->top) * SrcSizeY) / DesSizeY) + SourceRect->top;
+                     
+            for (DesX=DestRect->left; DesX<DestRect->right; DesX++)
+            {                  
+                 sx = (((DesX - DestRect->left) * SrcSizeX) / DesSizeX) + SourceRect->left;            
+                 color = DIB_16BPP_GetPixel(SourceSurf, sx, sy);
+                 DIB_24BPP_PutPixel(DestSurf, DesX, DesY, XLATEOBJ_iXlate(ColorTranslation, color));
+            }
+       }                  
+      break;
 
       case BMF_24BPP:          
-                  /* FIXME :  MaskOrigin, BrushOrigin, ClipRegion, Mode ? */
-                  /* This is a reference implementation, it hasn't been optimized for speed */
-           if (zoomX>1)
-                  {
-                    /* Draw one Hline on X - Led to the Des Zoom In*/
-                    if (DesSizeX>SrcSizeX)
-                        {
-                               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {                                               
-                                               sx = (int) ((ULONG) SrcSizeX * (ULONG) DesX) / ((ULONG) DesSizeX);
-                                               
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               color =  DIB_24BPP_GetPixel(SourceSurf, sx, sy);
-                                                                                               
-                                               saveX = DesX + zoomX;
-                                               for (count=DesY;count<saveY;count++)
-                                                       DIB_24BPP_HLine(DestSurf, DesX, saveX, count, color);
-                                         }                                                                             
-                                 }
-                           }
-                        else
-                        {
-                          /* Draw one Hline on X - Led to the Des Zoom Out*/
-
-               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {
-                                               sx = (int) ((ULONG) DesSizeX * (ULONG) DesX) / ((ULONG) SrcSizeX);                                                                  
-                                       
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               color =  DIB_24BPP_GetPixel(SourceSurf, sx, sy);
-                                                                                               
-                                               saveX = DesX + zoomX;
-                                               for (count=DesY;count<saveY;count++)
-                                                       DIB_24BPP_HLine(DestSurf, DesX, saveX, count, color);
-                                         }                                                                             
-                                 }
-                        }
-                  }
-                       
-                  else
-                  {
-                   
-                   if (DesSizeX>SrcSizeX)
-                       {
-                               /* Draw one pixel on X - Led to the Des Zoom In*/
-                               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {                                               
-                                               sx = (int) ((ULONG) SrcSizeX * (ULONG) DesX) / ((ULONG) DesSizeX);
-                                               
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               color =  DIB_24BPP_GetPixel(SourceSurf, sx, sy);
-                                                           
-                                               for (count=DesY;count<saveY;count++)
-                                                       DIB_24BPP_PutPixel(DestSurf, DesX, count, color);                                                                               
-                                        }
-                         }
-                        }
-                       else
-                       {
-                               /* Draw one pixel on X - Led to the Des Zoom Out*/
-                               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {
-                                               sx = (int) ((ULONG) DesSizeX * (ULONG) DesX) / ((ULONG) SrcSizeX);                                                                  
-                                       
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               color =  DIB_24BPP_GetPixel(SourceSurf, sx, sy);
-                                                           
-                                               for (count=DesY;count<saveY;count++)
-                                                       DIB_24BPP_PutPixel(DestSurf, DesX, count, color);                                                                               
-                                        }
-                         }
-                       }
-                  }
-               break;
+      /* FIXME :  MaskOrigin, BrushOrigin, ClipRegion, Mode ? */
+      /* This is a reference implementation, it hasn't been optimized for speed */
+                      
+       for (DesY=DestRect->top; DesY<DestRect->bottom; DesY++)
+       {                        
+           sy = (((DesY - DestRect->top) * SrcSizeY) / DesSizeY) + SourceRect->top;
+                     
+            for (DesX=DestRect->left; DesX<DestRect->right; DesX++)
+            {                  
+                 sx = (((DesX - DestRect->left) * SrcSizeX) / DesSizeX) + SourceRect->left;            
+                 color = DIB_24BPP_GetPixel(SourceSurf, sx, sy);
+                 DIB_24BPP_PutPixel(DestSurf, DesX, DesY, XLATEOBJ_iXlate(ColorTranslation, color));
+            }
+       }                  
+      break;
 
       case BMF_32BPP:          
-                  /* FIXME :  MaskOrigin, BrushOrigin, ClipRegion, Mode ? */
-                  /* This is a reference implementation, it hasn't been optimized for speed */
-           if (zoomX>1)
-                  {
-                    /* Draw one Hline on X - Led to the Des Zoom In*/
-                    if (DesSizeX>SrcSizeX)
-                        {
-                               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {                                               
-                                               sx = (int) ((ULONG) SrcSizeX * (ULONG) DesX) / ((ULONG) DesSizeX);
-                                               
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               color =  XLATEOBJ_iXlate(ColorTranslation, DIB_32BPP_GetPixel(SourceSurf, sx, sy));
-                                                                                               
-                                               saveX = DesX + zoomX;
-                                               for (count=DesY;count<saveY;count++)
-                                                       DIB_24BPP_HLine(DestSurf, DesX, saveX, count, color);
-                                         }                                                                             
-                                 }
-                           }
-                        else
-                        {
-                          /* Draw one Hline on X - Led to the Des Zoom Out*/
-
-               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {
-                                               sx = (int) ((ULONG) DesSizeX * (ULONG) DesX) / ((ULONG) SrcSizeX);                                                                  
-                                       
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               color =  XLATEOBJ_iXlate(ColorTranslation, DIB_32BPP_GetPixel(SourceSurf, sx, sy));
-                                                                                               
-                                               saveX = DesX + zoomX;
-                                               for (count=DesY;count<saveY;count++)
-                                                       DIB_24BPP_HLine(DestSurf, DesX, saveX, count, color);
-                                         }                                                                             
-                                 }
-                        }
-                  }
-                       
-                  else
-                  {
-                   
-                   if (DesSizeX>SrcSizeX)
-                       {
-                               /* Draw one pixel on X - Led to the Des Zoom In*/
-                               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {                                               
-                                               sx = (int) ((ULONG) SrcSizeX * (ULONG) DesX) / ((ULONG) DesSizeX);
-                                               
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               color =  XLATEOBJ_iXlate(ColorTranslation, DIB_32BPP_GetPixel(SourceSurf, sx, sy));
-                                                           
-                                               for (count=DesY;count<saveY;count++)
-                                                       DIB_24BPP_PutPixel(DestSurf, DesX, count, color);                                                                               
-                                        }
-                         }
-                        }
-                       else
-                       {
-                               /* Draw one pixel on X - Led to the Des Zoom Out*/
-                               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {
-                                               sx = (int) ((ULONG) DesSizeX * (ULONG) DesX) / ((ULONG) SrcSizeX);                                                                  
-                                       
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               color =  XLATEOBJ_iXlate(ColorTranslation, DIB_32BPP_GetPixel(SourceSurf, sx, sy));
-                                                           
-                                               for (count=DesY;count<saveY;count++)
-                                                       DIB_24BPP_PutPixel(DestSurf, DesX, count, color);                                                                               
-                                        }
-                         }
-                       }
-                  }
-               break;
+      /* FIXME :  MaskOrigin, BrushOrigin, ClipRegion, Mode ? */
+      /* This is a reference implementation, it hasn't been optimized for speed */
+                      
+       for (DesY=DestRect->top; DesY<DestRect->bottom; DesY++)
+       {                        
+           sy = (((DesY - DestRect->top) * SrcSizeY) / DesSizeY) + SourceRect->top;
+                     
+            for (DesX=DestRect->left; DesX<DestRect->right; DesX++)
+            {                  
+                 sx = (((DesX - DestRect->left) * SrcSizeX) / DesSizeX) + SourceRect->left;            
+                 color = DIB_32BPP_GetPixel(SourceSurf, sx, sy);
+                 DIB_24BPP_PutPixel(DestSurf, DesX, DesY, XLATEOBJ_iXlate(ColorTranslation, color));
+            }
+       }                  
+      break;
 
       default:
       //DPRINT1("DIB_24BPP_StretchBlt: Unhandled Source BPP: %u\n", BitsPerFormat(SourceSurf->iBitmapFormat));
index 3e6f647..d3afbd3 100644 (file)
@@ -381,802 +381,138 @@ BOOLEAN DIB_4BPP_StretchBlt(SURFOBJ *DestSurf, SURFOBJ *SourceSurf,
                             CLIPOBJ *ClipRegion, XLATEOBJ *ColorTranslation,
                             ULONG Mode)
 {
-   int SrcSizeY;
-   int SrcSizeX;
-   int DesSizeY;
-   int DesSizeX;      
-   int sx;
-   int sy;
-   int DesX;
-   int DesY;
-   int color;
-   int zoomX;
-   int zoomY;
-   int count;
-   int saveX;
-   int saveY;
-   BOOLEAN DesIsBiggerY=FALSE;
+   LONG SrcSizeY;
+   LONG SrcSizeX;
+   LONG DesSizeY;
+   LONG DesSizeX;      
+   LONG sx;
+   LONG sy;
+   LONG DesX;
+   LONG DesY;
+   LONG color;
   
-    SrcSizeY = SourceRect->bottom - SourceRect->top;
-    SrcSizeX = SourceRect->right - SourceRect->left;
+   SrcSizeY = SourceRect->bottom - SourceRect->top;
+   SrcSizeX = SourceRect->right - SourceRect->left;
   
-    DesSizeY = DestRect->bottom;
-    DesSizeX = DestRect->right;   
+   DesSizeY = DestRect->bottom - DestRect->top;
+   DesSizeX = DestRect->right - DestRect->left;
 
-   zoomX = DesSizeX / SrcSizeX;
-   if (zoomX==0) zoomX=1;
-
-   zoomY = DesSizeY / SrcSizeY;
-   if (zoomY==0) zoomY=1;
-
-   if (DesSizeY>SrcSizeY)
-      DesIsBiggerY = TRUE;
-
-    switch(SourceSurf->iBitmapFormat)
-    {
-          case BMF_1BPP:               
-                  /* FIXME :  MaskOrigin, BrushOrigin, ClipRegion, Mode ? */
-                  /* This is a reference implementation, it hasn't been optimized for speed */
-           if (zoomX>1)
-                  {
-                    /* Draw one Hline on X - Led to the Des Zoom In*/
-                    if (DesSizeX>SrcSizeX)
-                        {
-                               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {                                               
-                                               sx = (int) ((ULONG) SrcSizeX * (ULONG) DesX) / ((ULONG) DesSizeX);
-                                               
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               saveX = DesX + zoomX;
-
-                                               if (DIB_1BPP_GetPixel(SourceSurf, sx, sy) == 0) 
-                                                  for (count=DesY;count<saveY;count++)
-                                                       DIB_4BPP_HLine(DestSurf, DesX, saveX, count, 0);
-                                               else
-                                                       for (count=DesY;count<saveY;count++)
-                                                       DIB_4BPP_HLine(DestSurf, DesX, saveX, count, 1);
-                                                                                                                                                                                               
-                                         }                                                                             
-                                 }
-                           }
-                        else
-                        {
-                          /* Draw one Hline on X - Led to the Des Zoom Out*/
-
-               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {
-                                               sx = (int) ((ULONG) DesSizeX * (ULONG) DesX) / ((ULONG) SrcSizeX);                                                                  
-                                       
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               saveX = DesX + zoomX;
-
-                                               if (DIB_1BPP_GetPixel(SourceSurf, sx, sy) == 0) 
-                                                  for (count=DesY;count<saveY;count++)
-                                                       DIB_4BPP_HLine(DestSurf, DesX, saveX, count, 0);
-                                               else
-                                                       for (count=DesY;count<saveY;count++)
-                                                       DIB_4BPP_HLine(DestSurf, DesX, saveX, count, 1);
-                                                                                                                                                                                               
-                                         }                                                                             
-                                 }
-                        }
-                  }                    
-                  else
-                  {
-                   
-                   if (DesSizeX>SrcSizeX)
-                       {
-                               /* Draw one pixel on X - Led to the Des Zoom In*/
-                               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {                                               
-                                               sx = (int) ((ULONG) SrcSizeX * (ULONG) DesX) / ((ULONG) DesSizeX);
-                                               
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               if (DIB_1BPP_GetPixel(SourceSurf, sx, sy) == 0) 
-                                                  for (count=DesY;count<saveY;count++)
-                                                       DIB_4BPP_PutPixel(DestSurf, DesX, count, 0);                                                                            
-                                               else
-                                                       for (count=DesY;count<saveY;count++)
-                                                       DIB_4BPP_PutPixel(DestSurf, DesX, count, 1);                                                                            
-                                                           
-                                               
-                                        }
-                         }
-                        }
-                       else
-                       {
-                               /* Draw one pixel on X - Led to the Des Zoom Out*/
-                               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {
-                                               sx = (int) ((ULONG) DesSizeX * (ULONG) DesX) / ((ULONG) SrcSizeX);                                                                  
-                                       
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               if (DIB_1BPP_GetPixel(SourceSurf, sx, sy) == 0) 
-                                                  for (count=DesY;count<saveY;count++)
-                                                       DIB_4BPP_PutPixel(DestSurf, DesX, count, 0);                                                                            
-                                               else
-                                                       for (count=DesY;count<saveY;count++)
-                                                       DIB_4BPP_PutPixel(DestSurf, DesX, count, 1);                                                                            
-                                                                                                       
-                                        }
-                         }
-                       }
-                  }
-               break;
+   switch(SourceSurf->iBitmapFormat)
+   {
+      case BMF_1BPP:
+         /* FIXME :  MaskOrigin, BrushOrigin, ClipRegion, Mode ? */
+      /* This is a reference implementation, it hasn't been optimized for speed */
+                      
+       for (DesY=DestRect->top; DesY<DestRect->bottom; DesY++)
+       {                        
+           sy = (((DesY - DestRect->top) * SrcSizeY) / DesSizeY) + SourceRect->top;
+                     
+            for (DesX=DestRect->left; DesX<DestRect->right; DesX++)
+            {                  
+                  sx = (((DesX - DestRect->left) * SrcSizeX) / DesSizeX) + SourceRect->left;
+                               
+                  if(DIB_1BPP_GetPixel(SourceSurf, sx, sy) == 0)
+                                 {
+                                       DIB_4BPP_PutPixel(DestSurf, DesX, DesY, XLATEOBJ_iXlate(ColorTranslation, 0));
+                  } 
+                                 else 
+                                 {
+                    DIB_4BPP_PutPixel(DestSurf, DesX, DesY, XLATEOBJ_iXlate(ColorTranslation, 1));
+                  }
+            }
+       }               
+
+         break;
 
       case BMF_4BPP:           
-                  /* FIXME :  MaskOrigin, BrushOrigin, ClipRegion, Mode ? */
-                  /* This is a reference implementation, it hasn't been optimized for speed */
-           if (zoomX>1)
-                  {
-                    /* Draw one Hline on X - Led to the Des Zoom In*/
-                    if (DesSizeX>SrcSizeX)
-                        {
-                               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {                                               
-                                               sx = (int) ((ULONG) SrcSizeX * (ULONG) DesX) / ((ULONG) DesSizeX);
-                                               
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               color =  DIB_4BPP_GetPixel(SourceSurf, sx, sy);
-                                                                                               
-                                               saveX = DesX + zoomX;
-                                               for (count=DesY;count<saveY;count++)
-                                                       DIB_4BPP_HLine(DestSurf, DesX, saveX, count, color);
-                                         }                                                                             
-                                 }
-                           }
-                        else
-                        {
-                          /* Draw one Hline on X - Led to the Des Zoom Out*/
-
-               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {
-                                               sx = (int) ((ULONG) DesSizeX * (ULONG) DesX) / ((ULONG) SrcSizeX);                                                                  
-                                       
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               color =  DIB_4BPP_GetPixel(SourceSurf, sx, sy);
-                                                                                               
-                                               saveX = DesX + zoomX;
-                                               for (count=DesY;count<saveY;count++)
-                                                       DIB_4BPP_HLine(DestSurf, DesX, saveX, count, color);
-                                         }                                                                             
-                                 }
-                        }
-                  }
-                       
-                  else
-                  {
-                   
-                   if (DesSizeX>SrcSizeX)
-                       {
-                               /* Draw one pixel on X - Led to the Des Zoom In*/
-                               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {                                               
-                                               sx = (int) ((ULONG) SrcSizeX * (ULONG) DesX) / ((ULONG) DesSizeX);
-                                               
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               color =  DIB_4BPP_GetPixel(SourceSurf, sx, sy);
-                                                           
-                                               for (count=DesY;count<saveY;count++)
-                                                       DIB_4BPP_PutPixel(DestSurf, DesX, count, color);                                                                                
-                                        }
-                         }
-                        }
-                       else
-                       {
-                               /* Draw one pixel on X - Led to the Des Zoom Out*/
-                               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {
-                                               sx = (int) ((ULONG) DesSizeX * (ULONG) DesX) / ((ULONG) SrcSizeX);                                                                  
-                                       
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               color =  DIB_4BPP_GetPixel(SourceSurf, sx, sy);
-                                                           
-                                               for (count=DesY;count<saveY;count++)
-                                                       DIB_4BPP_PutPixel(DestSurf, DesX, count, color);                                                                                
-                                        }
-                         }
-                       }
-                  }
-               break;
+      /* FIXME :  MaskOrigin, BrushOrigin, ClipRegion, Mode ? */
+      /* This is a reference implementation, it hasn't been optimized for speed */
+                      
+       for (DesY=DestRect->top; DesY<DestRect->bottom; DesY++)
+       {                        
+           sy = (((DesY - DestRect->top) * SrcSizeY) / DesSizeY) + SourceRect->top;
+                     
+            for (DesX=DestRect->left; DesX<DestRect->right; DesX++)
+            {                  
+                 sx = (((DesX - DestRect->left) * SrcSizeX) / DesSizeX) + SourceRect->left;            
+                 color = DIB_4BPP_GetPixel(SourceSurf, sx, sy);
+                 DIB_4BPP_PutPixel(DestSurf, DesX, DesY, XLATEOBJ_iXlate(ColorTranslation, color));
+            }
+       }                  
+      break;
 
       case BMF_8BPP:           
-                  /* FIXME :  MaskOrigin, BrushOrigin, ClipRegion, Mode ? */
-                  /* This is a reference implementation, it hasn't been optimized for speed */
-           if (zoomX>1)
-                  {
-                    /* Draw one Hline on X - Led to the Des Zoom In*/
-                    if (DesSizeX>SrcSizeX)
-                        {
-                               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {                                               
-                                               sx = (int) ((ULONG) SrcSizeX * (ULONG) DesX) / ((ULONG) DesSizeX);
-                                               
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               color =  XLATEOBJ_iXlate(ColorTranslation, DIB_8BPP_GetPixel(SourceSurf, sx, sy));
-                                                                                               
-                                               saveX = DesX + zoomX;
-                                               for (count=DesY;count<saveY;count++)
-                                                       DIB_4BPP_HLine(DestSurf, DesX, saveX, count, color);
-                                         }                                                                             
-                                 }
-                           }
-                        else
-                        {
-                          /* Draw one Hline on X - Led to the Des Zoom Out*/
-
-               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {
-                                               sx = (int) ((ULONG) DesSizeX * (ULONG) DesX) / ((ULONG) SrcSizeX);                                                                  
-                                       
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               color =  XLATEOBJ_iXlate(ColorTranslation, DIB_8BPP_GetPixel(SourceSurf, sx, sy));
-                                                                                               
-                                               saveX = DesX + zoomX;
-                                               for (count=DesY;count<saveY;count++)
-                                                       DIB_4BPP_HLine(DestSurf, DesX, saveX, count, color);
-                                         }                                                                             
-                                 }
-                        }
-                  }
-                       
-                  else
-                  {
-                   
-                   if (DesSizeX>SrcSizeX)
-                       {
-                               /* Draw one pixel on X - Led to the Des Zoom In*/
-                               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {                                               
-                                               sx = (int) ((ULONG) SrcSizeX * (ULONG) DesX) / ((ULONG) DesSizeX);
-                                               
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               color =  XLATEOBJ_iXlate(ColorTranslation, DIB_8BPP_GetPixel(SourceSurf, sx, sy));
-                                                           
-                                               for (count=DesY;count<saveY;count++)
-                                                       DIB_4BPP_PutPixel(DestSurf, DesX, count, color);                                                                                
-                                        }
-                         }
-                        }
-                       else
-                       {
-                               /* Draw one pixel on X - Led to the Des Zoom Out*/
-                               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {
-                                               sx = (int) ((ULONG) DesSizeX * (ULONG) DesX) / ((ULONG) SrcSizeX);                                                                  
-                                       
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               color =  XLATEOBJ_iXlate(ColorTranslation, DIB_8BPP_GetPixel(SourceSurf, sx, sy));
-                                                           
-                                               for (count=DesY;count<saveY;count++)
-                                                       DIB_4BPP_PutPixel(DestSurf, DesX, count, color);                                                                                
-                                        }
-                         }
-                       }
-                  }
-               break;
+      /* FIXME :  MaskOrigin, BrushOrigin, ClipRegion, Mode ? */
+      /* This is a reference implementation, it hasn't been optimized for speed */
+                      
+       for (DesY=DestRect->top; DesY<DestRect->bottom; DesY++)
+       {                        
+           sy = (((DesY - DestRect->top) * SrcSizeY) / DesSizeY) + SourceRect->top;
+                     
+            for (DesX=DestRect->left; DesX<DestRect->right; DesX++)
+            {                  
+                 sx = (((DesX - DestRect->left) * SrcSizeX) / DesSizeX) + SourceRect->left;            
+                 color = DIB_8BPP_GetPixel(SourceSurf, sx, sy);
+                 DIB_4BPP_PutPixel(DestSurf, DesX, DesY, XLATEOBJ_iXlate(ColorTranslation, color));
+            }
+       }                  
+      break;
 
       case BMF_16BPP:          
-                  /* FIXME :  MaskOrigin, BrushOrigin, ClipRegion, Mode ? */
-                  /* This is a reference implementation, it hasn't been optimized for speed */
-           if (zoomX>1)
-                  {
-                    /* Draw one Hline on X - Led to the Des Zoom In*/
-                    if (DesSizeX>SrcSizeX)
-                        {
-                               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {                                               
-                                               sx = (int) ((ULONG) SrcSizeX * (ULONG) DesX) / ((ULONG) DesSizeX);
-                                               
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               color =  XLATEOBJ_iXlate(ColorTranslation, DIB_16BPP_GetPixel(SourceSurf, sx, sy));
-                                                                                               
-                                               saveX = DesX + zoomX;
-                                               for (count=DesY;count<saveY;count++)
-                                                       DIB_4BPP_HLine(DestSurf, DesX, saveX, count, color);
-                                         }                                                                             
-                                 }
-                           }
-                        else
-                        {
-                          /* Draw one Hline on X - Led to the Des Zoom Out*/
-
-               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {
-                                               sx = (int) ((ULONG) DesSizeX * (ULONG) DesX) / ((ULONG) SrcSizeX);                                                                  
-                                       
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               color =  XLATEOBJ_iXlate(ColorTranslation, DIB_16BPP_GetPixel(SourceSurf, sx, sy));
-                                                                                               
-                                               saveX = DesX + zoomX;
-                                               for (count=DesY;count<saveY;count++)
-                                                       DIB_4BPP_HLine(DestSurf, DesX, saveX, count, color);
-                                         }                                                                             
-                                 }
-                        }
-                  }
-                       
-                  else
-                  {
-                   
-                   if (DesSizeX>SrcSizeX)
-                       {
-                               /* Draw one pixel on X - Led to the Des Zoom In*/
-                               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {                                               
-                                               sx = (int) ((ULONG) SrcSizeX * (ULONG) DesX) / ((ULONG) DesSizeX);
-                                               
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               color =  XLATEOBJ_iXlate(ColorTranslation, DIB_16BPP_GetPixel(SourceSurf, sx, sy));
-                                                           
-                                               for (count=DesY;count<saveY;count++)
-                                                       DIB_4BPP_PutPixel(DestSurf, DesX, count, color);                                                                                
-                                        }
-                         }
-                        }
-                       else
-                       {
-                               /* Draw one pixel on X - Led to the Des Zoom Out*/
-                               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {
-                                               sx = (int) ((ULONG) DesSizeX * (ULONG) DesX) / ((ULONG) SrcSizeX);                                                                  
-                                       
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               color =  XLATEOBJ_iXlate(ColorTranslation, DIB_16BPP_GetPixel(SourceSurf, sx, sy));
-                                                           
-                                               for (count=DesY;count<saveY;count++)
-                                                       DIB_4BPP_PutPixel(DestSurf, DesX, count, color);                                                                                
-                                        }
-                         }
-                       }
-                  }
-               break;
+      /* FIXME :  MaskOrigin, BrushOrigin, ClipRegion, Mode ? */
+      /* This is a reference implementation, it hasn't been optimized for speed */
+                      
+       for (DesY=DestRect->top; DesY<DestRect->bottom; DesY++)
+       {                        
+           sy = (((DesY - DestRect->top) * SrcSizeY) / DesSizeY) + SourceRect->top;
+                     
+            for (DesX=DestRect->left; DesX<DestRect->right; DesX++)
+            {                  
+                 sx = (((DesX - DestRect->left) * SrcSizeX) / DesSizeX) + SourceRect->left;            
+                 color = DIB_16BPP_GetPixel(SourceSurf, sx, sy);
+                 DIB_4BPP_PutPixel(DestSurf, DesX, DesY, XLATEOBJ_iXlate(ColorTranslation, color));
+            }
+       }                  
+      break;
 
       case BMF_24BPP:          
-                  /* FIXME :  MaskOrigin, BrushOrigin, ClipRegion, Mode ? */
-                  /* This is a reference implementation, it hasn't been optimized for speed */
-           if (zoomX>1)
-                  {
-                    /* Draw one Hline on X - Led to the Des Zoom In*/
-                    if (DesSizeX>SrcSizeX)
-                        {
-                               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {                                               
-                                               sx = (int) ((ULONG) SrcSizeX * (ULONG) DesX) / ((ULONG) DesSizeX);
-                                               
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               color =  XLATEOBJ_iXlate(ColorTranslation, DIB_24BPP_GetPixel(SourceSurf, sx, sy));
-                                                                                               
-                                               saveX = DesX + zoomX;
-                                               for (count=DesY;count<saveY;count++)
-                                                       DIB_4BPP_HLine(DestSurf, DesX, saveX, count, color);
-                                         }                                                                             
-                                 }
-                           }
-                        else
-                        {
-                          /* Draw one Hline on X - Led to the Des Zoom Out*/
-
-               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {
-                                               sx = (int) ((ULONG) DesSizeX * (ULONG) DesX) / ((ULONG) SrcSizeX);                                                                  
-                                       
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               color =  XLATEOBJ_iXlate(ColorTranslation, DIB_24BPP_GetPixel(SourceSurf, sx, sy));
-                                                                                               
-                                               saveX = DesX + zoomX;
-                                               for (count=DesY;count<saveY;count++)
-                                                       DIB_4BPP_HLine(DestSurf, DesX, saveX, count, color);
-                                         }                                                                             
-                                 }
-                        }
-                  }
-                       
-                  else
-                  {
-                   
-                   if (DesSizeX>SrcSizeX)
-                       {
-                               /* Draw one pixel on X - Led to the Des Zoom In*/
-                               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {                                               
-                                               sx = (int) ((ULONG) SrcSizeX * (ULONG) DesX) / ((ULONG) DesSizeX);
-                                               
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               color =  XLATEOBJ_iXlate(ColorTranslation, DIB_24BPP_GetPixel(SourceSurf, sx, sy));
-                                                           
-                                               for (count=DesY;count<saveY;count++)
-                                                       DIB_4BPP_PutPixel(DestSurf, DesX, count, color);                                                                                
-                                        }
-                         }
-                        }
-                       else
-                       {
-                               /* Draw one pixel on X - Led to the Des Zoom Out*/
-                               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {
-                                               sx = (int) ((ULONG) DesSizeX * (ULONG) DesX) / ((ULONG) SrcSizeX);                                                                  
-                                       
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               color =  XLATEOBJ_iXlate(ColorTranslation, DIB_24BPP_GetPixel(SourceSurf, sx, sy));
-                                                           
-                                               for (count=DesY;count<saveY;count++)
-                                                       DIB_4BPP_PutPixel(DestSurf, DesX, count, color);                                                                                
-                                        }
-                         }
-                       }
-                  }
-               break;
+      /* FIXME :  MaskOrigin, BrushOrigin, ClipRegion, Mode ? */
+      /* This is a reference implementation, it hasn't been optimized for speed */
+                      
+       for (DesY=DestRect->top; DesY<DestRect->bottom; DesY++)
+       {                        
+           sy = (((DesY - DestRect->top) * SrcSizeY) / DesSizeY) + SourceRect->top;
+                     
+            for (DesX=DestRect->left; DesX<DestRect->right; DesX++)
+            {                  
+                 sx = (((DesX - DestRect->left) * SrcSizeX) / DesSizeX) + SourceRect->left;            
+                 color = DIB_24BPP_GetPixel(SourceSurf, sx, sy);
+                 DIB_4BPP_PutPixel(DestSurf, DesX, DesY, XLATEOBJ_iXlate(ColorTranslation, color));
+            }
+       }                  
+      break;
 
       case BMF_32BPP:          
-                  /* FIXME :  MaskOrigin, BrushOrigin, ClipRegion, Mode ? */
-                  /* This is a reference implementation, it hasn't been optimized for speed */
-           if (zoomX>1)
-                  {
-                    /* Draw one Hline on X - Led to the Des Zoom In*/
-                    if (DesSizeX>SrcSizeX)
-                        {
-                               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {                                               
-                                               sx = (int) ((ULONG) SrcSizeX * (ULONG) DesX) / ((ULONG) DesSizeX);
-                                               
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               color =  XLATEOBJ_iXlate(ColorTranslation, DIB_32BPP_GetPixel(SourceSurf, sx, sy));
-                                                                                               
-                                               saveX = DesX + zoomX;
-                                               for (count=DesY;count<saveY;count++)
-                                                       DIB_4BPP_HLine(DestSurf, DesX, saveX, count, color);
-                                         }                                                                             
-                                 }
-                           }
-                        else
-                        {
-                          /* Draw one Hline on X - Led to the Des Zoom Out*/
-
-               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {
-                                               sx = (int) ((ULONG) DesSizeX * (ULONG) DesX) / ((ULONG) SrcSizeX);                                                                  
-                                       
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               color =  XLATEOBJ_iXlate(ColorTranslation, DIB_32BPP_GetPixel(SourceSurf, sx, sy));
-                                                                                               
-                                               saveX = DesX + zoomX;
-                                               for (count=DesY;count<saveY;count++)
-                                                       DIB_4BPP_HLine(DestSurf, DesX, saveX, count, color);
-                                         }                                                                             
-                                 }
-                        }
-                  }
-                       
-                  else
-                  {
-                   
-                   if (DesSizeX>SrcSizeX)
-                       {
-                               /* Draw one pixel on X - Led to the Des Zoom In*/
-                               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {                                               
-                                               sx = (int) ((ULONG) SrcSizeX * (ULONG) DesX) / ((ULONG) DesSizeX);
-                                               
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               color =  XLATEOBJ_iXlate(ColorTranslation, DIB_32BPP_GetPixel(SourceSurf, sx, sy));
-                                                           
-                                               for (count=DesY;count<saveY;count++)
-                                                       DIB_4BPP_PutPixel(DestSurf, DesX, count, color);                                                                                
-                                        }
-                         }
-                        }
-                       else
-                       {
-                               /* Draw one pixel on X - Led to the Des Zoom Out*/
-                               for (DesY=DestRect->bottom-zoomY; DesY>=DestRect->top; DesY-=zoomY)
-                               {
-                                       if (DesIsBiggerY)
-                                               sy = (int) ((ULONG) SrcSizeY * (ULONG) DesY) / ((ULONG) DesSizeY);
-                                       else
-                                               sy = (int) ((ULONG) DesSizeY * (ULONG) DesY) / ((ULONG) SrcSizeY); 
-                                               
-                                       if (sy > SourceRect->bottom) break;
-
-                                       saveY = DesY+zoomY;
-
-                                       for (DesX=DestRect->right-zoomX; DesX>=DestRect->left; DesX-=zoomX)                             
-                                       {
-                                               sx = (int) ((ULONG) DesSizeX * (ULONG) DesX) / ((ULONG) SrcSizeX);                                                                  
-                                       
-                                               if (sx > SourceRect->right) break;
-                                       
-                                               color =  XLATEOBJ_iXlate(ColorTranslation, DIB_32BPP_GetPixel(SourceSurf, sx, sy));
-                                                           
-                                               for (count=DesY;count<saveY;count++)
-                                                       DIB_4BPP_PutPixel(DestSurf, DesX, count, color);                                                                                
-                                        }
-                         }
-                       }
-                  }
-               break;
-
+      /* FIXME :  MaskOrigin, BrushOrigin, ClipRegion, Mode ? */
+      /* This is a reference implementation, it hasn't been optimized for speed */
+                      
+       for (DesY=DestRect->top; DesY<DestRect->bottom; DesY++)
+       {                        
+           sy = (((DesY - DestRect->top) * SrcSizeY) / DesSizeY) + SourceRect->top;
+                     
+            for (DesX=DestRect->left; DesX<DestRect->right; DesX++)
+            {                  
+                 sx = (((DesX - DestRect->left) * SrcSizeX) / DesSizeX) + SourceRect->left;            
+                 color = DIB_32BPP_GetPixel(SourceSurf, sx, sy);
+                 DIB_4BPP_PutPixel(DestSurf, DesX, DesY, XLATEOBJ_iXlate(ColorTranslation, color));
+            }
+       }                  
+      break;
 
       default:
       //DPRINT1("DIB_4BPP_StretchBlt: Unhandled Source BPP: %u\n", BitsPerFormat(SourceSurf->iBitmapFormat));
       return FALSE;
-    }
+   }
   
   return TRUE;
 }
index 9feefb4..dde6e9e 100644 (file)
@@ -460,15 +460,15 @@ BOOLEAN DIB_8BPP_StretchBlt(SURFOBJ *DestSurf, SURFOBJ *SourceSurf,
                             CLIPOBJ *ClipRegion, XLATEOBJ *ColorTranslation,
                             ULONG Mode)
 {
-   int SrcSizeY;
-   int SrcSizeX;
-   int DesSizeY;
-   int DesSizeX;      
-   int sx;
-   int sy;
-   int DesX;
-   int DesY;
-   int color;
+   LONG SrcSizeY;
+   LONG SrcSizeX;
+   LONG DesSizeY;
+   LONG DesSizeX;      
+   LONG sx;
+   LONG sy;
+   LONG DesX;
+   LONG DesY;
+   LONG color;
 
   DPRINT("DIB_8BPP_StretchBlt: Source BPP: %u, srcRect: (%d,%d)-(%d,%d), dstRect: (%d,%d)-(%d,%d)\n",
      BitsPerFormat(SourceSurf->iBitmapFormat), SourceRect->left, SourceRect->top, SourceRect->right, SourceRect->bottom,