[YAROTOWS] Reintegrate the branch. For a brighter future.

[reactos.git] / reactos / subsystems / win32 / win32k / dib / dib16bpp.c

diff --git a/reactos/subsystems/win32/win32k/dib/dib16bpp.c b/reactos/subsystems/win32/win32k/dib/dib16bpp.c
index de56971..a1d72ae 100644 (file)
--- a/reactos/subsystems/win32/win32k/dib/dib16bpp.c
+++ b/reactos/subsystems/win32/win32k/dib/dib16bpp.c
@@ -525,174 +525,4 @@ DIB_16BPP_TransparentBlt(SURFOBJ *DestSurf, SURFOBJ *SourceSurf,
   return TRUE;
 }
 
   return TRUE;
 }
 

-typedef union
-{
-  ULONG ul;
-  struct
-  {
-    UCHAR red;
-    UCHAR green;
-    UCHAR blue;
-    UCHAR alpha;
-  } col;
-} NICEPIXEL32;
-
-typedef union
-{
-  USHORT us;
-  struct
-  {
-    USHORT  red:5,
-    green:6,
-    blue:5;
-  } col;
-} NICEPIXEL16;
-
-static __inline UCHAR
-Clamp5(ULONG val)
-{
-  return (val > 31) ? 31 : val;
-}
-
-static __inline UCHAR
-Clamp8(ULONG val)
-{
-  return (val > 255) ? 255 : val;
-}
-
-static __inline UCHAR
-Clamp6(ULONG val)
-{
-  return (val > 63) ? 63 : val;
-}
-
-BOOLEAN
-DIB_16BPP_AlphaBlend(SURFOBJ* Dest, SURFOBJ* Source, RECTL* DestRect,
-                     RECTL* SourceRect, CLIPOBJ* ClipRegion,
-                     XLATEOBJ* ColorTranslation, BLENDOBJ* BlendObj)
-{
-  INT Rows, Cols, SrcX, SrcY;
-  register PUSHORT Dst;
-  ULONG DstDelta;
-  BLENDFUNCTION BlendFunc;
-  register NICEPIXEL16 SrcPixel16;
-  register NICEPIXEL16 DstPixel16;
-  register NICEPIXEL32 SrcPixel32;
-  register NICEPIXEL32 DstPixel32;
-  UCHAR Alpha, SrcBpp;
-  EXLATEOBJ *pexlo;
-  EXLATEOBJ exloDst2Src;
-
-  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);
-
-  ASSERT(DestRect->bottom - DestRect->top == SourceRect->bottom - SourceRect->top &&
-    DestRect->right - DestRect->left == SourceRect->right - SourceRect->left);
-
-  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 &&
-    BitsPerFormat(Source->iBitmapFormat) != 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(&exloDst2Src, pexlo->ppalDst, pexlo->ppalSrc, 0, 0, 0);
-
-  Dst = (PUSHORT)((ULONG_PTR)Dest->pvScan0 + (DestRect->top * Dest->lDelta) +
-    (DestRect->left << 1));
-  DstDelta = Dest->lDelta - ((DestRect->right - DestRect->left) << 1);
-  SrcBpp = BitsPerFormat(Source->iBitmapFormat);
-
-  Rows = DestRect->bottom - DestRect->top;
-  SrcY = SourceRect->top;
-  while (--Rows >= 0)
-  {
-    Cols = DestRect->right - DestRect->left;
-    SrcX = SourceRect->left;
-    while (--Cols >= 0)
-    {
-      if (SrcBpp <= 16)
-      {
-        SrcPixel16.us = DIB_GetSource(Source, SrcX++, SrcY, ColorTranslation);
-        SrcPixel32.col.red = (SrcPixel16.col.red << 3);
-        SrcPixel32.col.green = (SrcPixel16.col.green << 2);
-        SrcPixel32.col.blue = (SrcPixel16.col.blue << 3);
-
-        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;
-        SrcPixel32.col.alpha = (SrcBpp == 32) ?
-          (SrcPixel32.col.alpha * BlendFunc.SourceConstantAlpha / 255) :
-        BlendFunc.SourceConstantAlpha;
-
-        Alpha = ((BlendFunc.AlphaFormat & AC_SRC_ALPHA) != 0) ?
-          SrcPixel32.col.alpha : BlendFunc.SourceConstantAlpha;
-
-        DstPixel16.us = *Dst;
-        DstPixel16.col.red = Clamp5(DstPixel16.col.red * (255 - Alpha) / 255 +
-          (SrcPixel32.col.red >> 3));
-
-        DstPixel16.col.green = Clamp6(DstPixel16.col.green * (255 - Alpha) / 255 +
-          (SrcPixel32.col.green >> 2));
-
-        DstPixel16.col.blue = Clamp5(DstPixel16.col.blue * (255 - Alpha) / 255 +
-          (SrcPixel32.col.blue >> 3));
-
-        *Dst++ = DstPixel16.us;
-      }
-      else
-      {
-        SrcPixel32.ul = DIB_GetSourceIndex(Source, SrcX++, SrcY);
-
-        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;
-        SrcPixel32.col.alpha = (SrcBpp == 32) ?
-          (SrcPixel32.col.alpha * BlendFunc.SourceConstantAlpha / 255) :
-        BlendFunc.SourceConstantAlpha;
-
-        Alpha = ((BlendFunc.AlphaFormat & AC_SRC_ALPHA) != 0) ?
-          SrcPixel32.col.alpha : BlendFunc.SourceConstantAlpha;
-
-        DstPixel32.ul = XLATEOBJ_iXlate(&exloDst2Src.xlo, *Dst);
-        SrcPixel32.col.red = Clamp8(DstPixel32.col.red * (255 - Alpha) / 255 + SrcPixel32.col.red);
-        SrcPixel32.col.green = Clamp8(DstPixel32.col.green * (255 - Alpha) / 255 + SrcPixel32.col.green);
-        SrcPixel32.col.blue = Clamp8(DstPixel32.col.blue * (255 - Alpha) / 255 +  SrcPixel32.col.blue);
-        *Dst++ = XLATEOBJ_iXlate(ColorTranslation, SrcPixel32.ul);
-      }
-    }
-
-    Dst = (PUSHORT)((ULONG_PTR)Dst + DstDelta);
-    SrcY++;
-  }
-
-  EXLATEOBJ_vCleanup(&exloDst2Src);
-
-  return TRUE;
-}
-

 /* EOF */
 /* EOF */