return TRUE;
}
+/* check clib region */
+BOOLEAN CheckClipRegion(CLIPOBJ *ClipRegion, RECTL* DestRect, int DesX, int DesY)
+{
+ BOOLEAN status = FALSE;
+ PSPAN ClipSpans;
+ UINT ClipSpansCount;
+ UINT SpanIndex = 0;
+
+ if (! ClipobjToSpans(&ClipSpans, &ClipSpansCount, ClipRegion, DestRect))
+ {
+ return FALSE;
+ }
+
+ if (0 == ClipSpansCount)
+ {
+ /* No clip spans == empty clipping region, everything clipped away */
+ ASSERT(NULL == ClipSpans);
+ return FALSE;
+ }
+
+ for (SpanIndex=0; SpanIndex<ClipSpansCount;SpanIndex++)
+ {
+ if (ClipSpans[SpanIndex].Y < DesY)
+ status = FALSE;
+
+ if (ClipSpans[SpanIndex].Y+ClipSpans[SpanIndex].Height > DesY)
+ status = FALSE;
+
+ if (ClipSpans[SpanIndex].X > DesX)
+ status = FALSE;
+
+ if (ClipSpans[SpanIndex].X+ClipSpans[SpanIndex].Width > DesX)
+ status = FALSE;
+ }
+
+ return status;
+}
+
+
//NOTE: If you change something here, please do the same in other dibXXbpp.c files!
BOOLEAN DIB_16BPP_StretchBlt(SURFOBJ *DestSurf, SURFOBJ *SourceSurf,
RECTL* DestRect, RECTL *SourceRect,
int DesX;
int DesY;
int color;
- int zoomX;
- int zoomY;
- // int count;
- // int saveX;
- // int saveY;
- BOOLEAN DesIsBiggerY=FALSE;
+ PULONG DestBits;
+
DPRINT("DIB_16BPP_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,
DestRect->left, DestRect->top, DestRect->right, DestRect->bottom);
DesSizeY = DestRect->bottom - DestRect->top;
DesSizeX = DestRect->right - DestRect->left;
- /*
- SrcSizeY = SourceRect->bottom;
- SrcSizeX = SourceRect->right;
-
- 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 */
+
+ DestBits = (PULONG)((PBYTE)DestSurf->pvScan0 + (DestRect->left << 1) +
+ DestRect->top * DestSurf->lDelta);
- for (DesY=DestRect->top; DesY<DestRect->bottom; DesY++)
- {
- if (DesSizeY>SrcSizeY)
- sy = SourceRect->top + ((DesY - DestRect->top) / zoomY);
- else
- sy = SourceRect->top + ((DesY - DestRect->top) * zoomY);
-
- if (sy > SourceRect->bottom)
- sy = SourceRect->bottom;
-
- for (DesX=DestRect->left; DesX<DestRect->right; DesX++)
- {
- if (DesSizeX>SrcSizeX)
- sx = SourceRect->left + ((DesX - DestRect->left) / zoomX);
- else
- sx = SourceRect->left + ((DesX - DestRect->left) * zoomX);
-
- if (sx > SourceRect->right)
- sx = SourceRect->right;
+ for (DesY=0; DesY<DesSizeY; DesY++)
+ {
+ sy = ((DesY * SrcSizeY) / DesSizeY) + SourceRect->top;
+
+ for (DesX=0; DesX<DesSizeX; DesX++)
+ {
+
+ sx = ((DesX * SrcSizeX) / DesSizeX) + SourceRect->left;
if(DIB_1BPP_GetPixel(SourceSurf, sx, sy) == 0)
- {
- DIB_16BPP_PutPixel(DestSurf, DesX, DesY, XLATEOBJ_iXlate(ColorTranslation, 0));
+ {
+ *DestBits = XLATEOBJ_iXlate(ColorTranslation, 0);
+ DestBits = (PULONG)((ULONG_PTR)DestBits + 2);
}
else
- {
- DIB_16BPP_PutPixel(DestSurf, DesX, DesY, XLATEOBJ_iXlate(ColorTranslation, 1));
+ {
+ *DestBits = XLATEOBJ_iXlate(ColorTranslation, 1);
+ DestBits = (PULONG)((ULONG_PTR)DestBits + 2);
}
}
+ DestBits = (PULONG)((ULONG_PTR)DestBits - (DesSizeX << 1) + DestSurf->lDelta);
}
break;
case BMF_4BPP:
/* FIXME : MaskOrigin, BrushOrigin, ClipRegion, Mode ? */
/* This is a reference implementation, it hasn't been optimized for speed */
+
+ DestBits = (PULONG)((PBYTE)DestSurf->pvScan0 + (DestRect->left << 1) +
+ DestRect->top * DestSurf->lDelta);
- for (DesY=DestRect->top; DesY<DestRect->bottom; DesY++)
- {
- if (DesSizeY>SrcSizeY)
- sy = SourceRect->top + ((DesY - DestRect->top) / zoomY);
- else
- sy = SourceRect->top + ((DesY - DestRect->top) * zoomY);
-
- if (sy > SourceRect->bottom)
- sy = SourceRect->bottom;
-
- for (DesX=DestRect->left; DesX<DestRect->right; DesX++)
- {
- if (DesSizeX>SrcSizeX)
- sx = SourceRect->left + ((DesX - DestRect->left) / zoomX);
- else
- sx = SourceRect->left + ((DesX - DestRect->left) * zoomX);
-
- if (sx > SourceRect->right)
- sx = SourceRect->right;
-
- color = DIB_4BPP_GetPixel(SourceSurf, sx, sy);
- DIB_16BPP_PutPixel(DestSurf, DesX, DesY, XLATEOBJ_iXlate(ColorTranslation, color));
+ for (DesY=0; DesY<DesSizeY; DesY++)
+ {
+ sy = ((DesY * SrcSizeY) / DesSizeY) + SourceRect->top;
+
+ for (DesX=0; DesX<DesSizeX; DesX++)
+ {
+
+ sx = ((DesX * SrcSizeX) / DesSizeX) + SourceRect->left;
+ color = DIB_4BPP_GetPixel(SourceSurf, sx, sy);
+
+ *DestBits = XLATEOBJ_iXlate(ColorTranslation, color);
+ DestBits = (PULONG)((ULONG_PTR)DestBits + 2);
}
+ DestBits = (PULONG)((ULONG_PTR)DestBits - (DesSizeX << 1) + DestSurf->lDelta);
}
break;
case BMF_8BPP:
/* FIXME : MaskOrigin, BrushOrigin, ClipRegion, Mode ? */
/* This is a reference implementation, it hasn't been optimized for speed */
+
+ DestBits = (PULONG)((PBYTE)DestSurf->pvScan0 + (DestRect->left << 1) +
+ DestRect->top * DestSurf->lDelta);
- for (DesY=DestRect->top; DesY<DestRect->bottom; DesY++)
- {
- if (DesSizeY>SrcSizeY)
- sy = SourceRect->top + ((DesY - DestRect->top) / zoomY);
- else
- sy = SourceRect->top + ((DesY - DestRect->top) * zoomY);
-
- if (sy > SourceRect->bottom)
- sy = SourceRect->bottom;
-
- for (DesX=DestRect->left; DesX<DestRect->right; DesX++)
- {
- if (DesSizeX>SrcSizeX)
- sx = SourceRect->left + ((DesX - DestRect->left) / zoomX);
- else
- sx = SourceRect->left + ((DesX - DestRect->left) * zoomX);
-
- if (sx > SourceRect->right)
- sx = SourceRect->right;
-
- color = DIB_8BPP_GetPixel(SourceSurf, sx, sy);
- DIB_16BPP_PutPixel(DestSurf, DesX, DesY, XLATEOBJ_iXlate(ColorTranslation, color));
+ for (DesY=0; DesY<DesSizeY; DesY++)
+ {
+ sy = ((DesY * SrcSizeY) / DesSizeY) + SourceRect->top;
+
+ for (DesX=0; DesX<DesSizeX; DesX++)
+ {
+
+ sx = ((DesX * SrcSizeX) / DesSizeX) + SourceRect->left;
+ color = DIB_8BPP_GetPixel(SourceSurf, sx, sy);
+
+ *DestBits = XLATEOBJ_iXlate(ColorTranslation, color);
+ DestBits = (PULONG)((ULONG_PTR)DestBits + 2);
}
+ DestBits = (PULONG)((ULONG_PTR)DestBits - (DesSizeX << 1) + DestSurf->lDelta);
}
break;
+
case BMF_24BPP:
/* 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++)
- {
- if (DesSizeY>SrcSizeY)
- sy = SourceRect->top + ((DesY - DestRect->top) / zoomY);
- else
- sy = SourceRect->top + ((DesY - DestRect->top) * zoomY);
-
- if (sy > SourceRect->bottom)
- sy = SourceRect->bottom;
-
- for (DesX=DestRect->left; DesX<DestRect->right; DesX++)
- {
- if (DesSizeX>SrcSizeX)
- sx = SourceRect->left + ((DesX - DestRect->left) / zoomX);
- else
- sx = SourceRect->left + ((DesX - DestRect->left) * zoomX);
-
- if (sx > SourceRect->right)
- sx = SourceRect->right;
-
- color = DIB_24BPP_GetPixel(SourceSurf, sx, sy);
- DIB_16BPP_PutPixel(DestSurf, DesX, DesY, XLATEOBJ_iXlate(ColorTranslation, color));
+ DestBits = (PULONG)((PBYTE)DestSurf->pvScan0 + (DestRect->left << 1) +
+ DestRect->top * DestSurf->lDelta);
+
+ for (DesY=0; DesY<DesSizeY; DesY++)
+ {
+ sy = ((DesY * SrcSizeY) / DesSizeY) + SourceRect->top;
+
+ for (DesX=0; DesX<DesSizeX; DesX++)
+ {
+
+ sx = ((DesX * SrcSizeX) / DesSizeX) + SourceRect->left;
+ color = DIB_24BPP_GetPixel(SourceSurf, sx, sy);
+
+ *DestBits = XLATEOBJ_iXlate(ColorTranslation, color);
+ DestBits = (PULONG)((ULONG_PTR)DestBits + 2);
}
- }
- break;
+ DestBits = (PULONG)((ULONG_PTR)DestBits - (DesSizeX << 1) + DestSurf->lDelta);
+ } break;
case BMF_32BPP:
/* 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++)
- {
- if (DesSizeY>SrcSizeY)
- sy = SourceRect->top + ((DesY - DestRect->top) / zoomY);
- else
- sy = SourceRect->top + ((DesY - DestRect->top) * zoomY);
-
- if (sy > SourceRect->bottom)
- sy = SourceRect->bottom;
-
- for (DesX=DestRect->left; DesX<DestRect->right; DesX++)
- {
- if (DesSizeX>SrcSizeX)
- sx = SourceRect->left + ((DesX - DestRect->left) / zoomX);
- else
- sx = SourceRect->left + ((DesX - DestRect->left) * zoomX);
-
- if (sx > SourceRect->right)
- sx = SourceRect->right;
-
- color = DIB_32BPP_GetPixel(SourceSurf, sx, sy);
- DIB_16BPP_PutPixel(DestSurf, DesX, DesY, XLATEOBJ_iXlate(ColorTranslation, color));
+ DestBits = (PULONG)((PBYTE)DestSurf->pvScan0 + (DestRect->left << 1) +
+ DestRect->top * DestSurf->lDelta);
+
+ for (DesY=0; DesY<DesSizeY; DesY++)
+ {
+ sy = ((DesY * SrcSizeY) / DesSizeY) + SourceRect->top;
+
+ for (DesX=0; DesX<DesSizeX; DesX++)
+ {
+
+ sx = ((DesX * SrcSizeX) / DesSizeX) + SourceRect->left;
+ color = DIB_32BPP_GetPixel(SourceSurf, sx, sy);
+
+ *DestBits = XLATEOBJ_iXlate(ColorTranslation, color);
+ DestBits = (PULONG)((ULONG_PTR)DestBits + 2);
}
+ DestBits = (PULONG)((ULONG_PTR)DestBits - (DesSizeX << 1) + DestSurf->lDelta);
}
break;
projects / reactos.git / blobdiff