Git conversion: Make reactos the root directory, move rosapps, rostests, wallpapers...

[reactos.git] / reactos / win32ss / gdi / dib / alphablend.c

diff --git a/reactos/win32ss/gdi/dib/alphablend.c b/reactos/win32ss/gdi/dib/alphablend.c
deleted file mode 100644 (file)
index 6e85621..0000000
--- a/reactos/win32ss/gdi/dib/alphablend.c
+++ /dev/null
@@ -1,123 +0,0 @@
-/*
- * PROJECT:         Win32 subsystem
- * LICENSE:         See COPYING in the top level directory
- * FILE:            win32ss/gdi/dib/alphablend.c
- * PURPOSE:         AlphaBlend implementation suitable for all bit depths
- * PROGRAMMERS:     Jérôme Gardou
- */
-
-#include <win32k.h>
-
-#define NDEBUG
-#include <debug.h>
-
-typedef union
-{
-  ULONG ul;
-  struct
-  {
-    UCHAR red;
-    UCHAR green;
-    UCHAR blue;
-    UCHAR alpha;
-  } col;
-} NICEPIXEL32;
-
-static __inline UCHAR
-Clamp8(ULONG val)
-{
-  return (val > 255) ? 255 : (UCHAR)val;
-}
-
-BOOLEAN
-DIB_XXBPP_AlphaBlend(SURFOBJ* Dest, SURFOBJ* Source, RECTL* DestRect,
-                     RECTL* SourceRect, CLIPOBJ* ClipRegion,
-                     XLATEOBJ* ColorTranslation, BLENDOBJ* BlendObj)
-{
-  INT DstX, DstY, SrcX, SrcY;
-  BLENDFUNCTION BlendFunc;
-  register NICEPIXEL32 DstPixel32;
-  register NICEPIXEL32 SrcPixel32;
-  UCHAR Alpha, SrcBpp = BitsPerFormat(Source->iBitmapFormat);
-  EXLATEOBJ* pexlo;
-  EXLATEOBJ exloSrcRGB, exloDstRGB, exloRGBSrc;
-  PFN_DIB_PutPixel pfnDibPutPixel = DibFunctionsForBitmapFormat[Dest->iBitmapFormat].DIB_PutPixel;
-
-  DPRINT("DIB_16BPP_AlphaBlend: srcRect: (%d,%d)-(%d,%d), dstRect: (%d,%d)-(%d,%d)\n",
-    SourceRect->left, SourceRect->top, SourceRect->right, SourceRect->bottom,
-    DestRect->left, DestRect->top, DestRect->right, DestRect->bottom);
-
-  BlendFunc = BlendObj->BlendFunction;
-  if (BlendFunc.BlendOp != AC_SRC_OVER)
-  {
-    DPRINT1("BlendOp != AC_SRC_OVER\n");
-    return FALSE;
-  }
-  if (BlendFunc.BlendFlags != 0)
-  {
-    DPRINT1("BlendFlags != 0\n");
-    return FALSE;
-  }
-  if ((BlendFunc.AlphaFormat & ~AC_SRC_ALPHA) != 0)
-  {
-    DPRINT1("Unsupported AlphaFormat (0x%x)\n", BlendFunc.AlphaFormat);
-    return FALSE;
-  }
-  if ((BlendFunc.AlphaFormat & AC_SRC_ALPHA) != 0 &&
-    SrcBpp != 32)
-  {
-    DPRINT1("Source bitmap must be 32bpp when AC_SRC_ALPHA is set\n");
-    return FALSE;
-  }
-
-  if (!ColorTranslation)
-  {
-    DPRINT1("ColorTranslation must not be NULL!\n");
-    return FALSE;
-  }
-
-  pexlo = CONTAINING_RECORD(ColorTranslation, EXLATEOBJ, xlo);
-  EXLATEOBJ_vInitialize(&exloSrcRGB, pexlo->ppalSrc, &gpalRGB, 0, 0, 0);
-  EXLATEOBJ_vInitialize(&exloDstRGB, pexlo->ppalDst, &gpalRGB, 0, 0, 0);
-  EXLATEOBJ_vInitialize(&exloRGBSrc, &gpalRGB, pexlo->ppalSrc, 0, 0, 0);
-
-  SrcY = SourceRect->top;
-  DstY = DestRect->top;
-  while ( DstY < DestRect->bottom )
-  {
-    SrcX = SourceRect->left;
-    DstX = DestRect->left;
-    while(DstX < DestRect->right)
-    {
-      SrcPixel32.ul = DIB_GetSource(Source, SrcX, SrcY, &exloSrcRGB.xlo);
-      SrcPixel32.col.red = (SrcPixel32.col.red * BlendFunc.SourceConstantAlpha) / 255;
-      SrcPixel32.col.green = (SrcPixel32.col.green * BlendFunc.SourceConstantAlpha) / 255;
-      SrcPixel32.col.blue = (SrcPixel32.col.blue * BlendFunc.SourceConstantAlpha) / 255;
-
-      Alpha = ((BlendFunc.AlphaFormat & AC_SRC_ALPHA) != 0) ?
-           (SrcPixel32.col.alpha * BlendFunc.SourceConstantAlpha) / 255 :
-           BlendFunc.SourceConstantAlpha ;
-
-      DstPixel32.ul = DIB_GetSource(Dest, DstX, DstY, &exloDstRGB.xlo);
-      DstPixel32.col.red = Clamp8((DstPixel32.col.red * (255 - Alpha)) / 255 + SrcPixel32.col.red) ;
-      DstPixel32.col.green = Clamp8((DstPixel32.col.green * (255 - Alpha)) / 255 + SrcPixel32.col.green) ;
-      DstPixel32.col.blue = Clamp8((DstPixel32.col.blue * (255 - Alpha)) / 255 + SrcPixel32.col.blue) ;
-      DstPixel32.ul = XLATEOBJ_iXlate(&exloRGBSrc.xlo, DstPixel32.ul);
-      pfnDibPutPixel(Dest, DstX, DstY, XLATEOBJ_iXlate(ColorTranslation, DstPixel32.ul));
-
-      DstX++;
-      SrcX = SourceRect->left + ((DstX-DestRect->left)*(SourceRect->right - SourceRect->left))
-                                            /(DestRect->right-DestRect->left);
-    }
-    DstY++;
-    SrcY = SourceRect->top + ((DstY-DestRect->top)*(SourceRect->bottom - SourceRect->top))
-                                            /(DestRect->bottom-DestRect->top);
-  }
-
-  EXLATEOBJ_vCleanup(&exloDstRGB);
-  EXLATEOBJ_vCleanup(&exloRGBSrc);
-  EXLATEOBJ_vCleanup(&exloSrcRGB);
-
-  return TRUE;
-}
-