reactos/subsystems/win32/win32k/dib/dib.c
Jérôme Gardou b06db1f05e [WIN32K, GENDIB]
- Did you know that we should ignore alpha channel of pattern in ROPs? You didn't, I didn't, now we do.
[WIN32K]
  - Use BGR palette as default for 24 and 32 bpp bitmaps.

svn path=/branches/reactos-yarotows/; revision=48470
2010-08-06 14:55:44 +00:00

251 lines
7.4 KiB
C

/*
* PROJECT: Win32 subsystem
* LICENSE: See COPYING in the top level directory
* FILE: subsystems/win32/win32k/dib/dib.c
* PURPOSE: ROP handling, function pointer arrays, misc
* PROGRAMMERS: Ge van Geldorp
*/
#include <win32k.h>
#define NDEBUG
#include <debug.h>
/* Static data */
unsigned char notmask[2] = { 0x0f, 0xf0 };
unsigned char altnotmask[2] = { 0xf0, 0x0f };
DIB_FUNCTIONS DibFunctionsForBitmapFormat[] =
{
/* 0 */
{
Dummy_PutPixel, Dummy_GetPixel, Dummy_HLine, Dummy_VLine,
Dummy_BitBlt, Dummy_BitBlt, Dummy_StretchBlt, Dummy_TransparentBlt,
Dummy_ColorFill, Dummy_AlphaBlend
},
/* BMF_1BPP */
{
DIB_1BPP_PutPixel, DIB_1BPP_GetPixel, DIB_1BPP_HLine, DIB_1BPP_VLine,
DIB_1BPP_BitBlt, DIB_1BPP_BitBltSrcCopy, DIB_XXBPP_StretchBlt,
DIB_1BPP_TransparentBlt, DIB_1BPP_ColorFill, DIB_1BPP_AlphaBlend
},
/* BMF_4BPP */
{
DIB_4BPP_PutPixel, DIB_4BPP_GetPixel, DIB_4BPP_HLine, DIB_4BPP_VLine,
DIB_4BPP_BitBlt, DIB_4BPP_BitBltSrcCopy, DIB_XXBPP_StretchBlt,
DIB_4BPP_TransparentBlt, DIB_4BPP_ColorFill, DIB_4BPP_AlphaBlend
},
/* BMF_8BPP */
{
DIB_8BPP_PutPixel, DIB_8BPP_GetPixel, DIB_8BPP_HLine, DIB_8BPP_VLine,
DIB_8BPP_BitBlt, DIB_8BPP_BitBltSrcCopy, DIB_XXBPP_StretchBlt,
DIB_8BPP_TransparentBlt, DIB_8BPP_ColorFill, DIB_8BPP_AlphaBlend
},
/* BMF_16BPP */
{
DIB_16BPP_PutPixel, DIB_16BPP_GetPixel, DIB_16BPP_HLine, DIB_16BPP_VLine,
DIB_16BPP_BitBlt, DIB_16BPP_BitBltSrcCopy, DIB_XXBPP_StretchBlt,
DIB_16BPP_TransparentBlt, DIB_16BPP_ColorFill, DIB_16BPP_AlphaBlend
},
/* BMF_24BPP */
{
DIB_24BPP_PutPixel, DIB_24BPP_GetPixel, DIB_24BPP_HLine, DIB_24BPP_VLine,
DIB_24BPP_BitBlt, DIB_24BPP_BitBltSrcCopy, DIB_XXBPP_StretchBlt,
DIB_24BPP_TransparentBlt, DIB_24BPP_ColorFill, DIB_24BPP_AlphaBlend
},
/* BMF_32BPP */
{
DIB_32BPP_PutPixel, DIB_32BPP_GetPixel, DIB_32BPP_HLine, DIB_32BPP_VLine,
DIB_32BPP_BitBlt, DIB_32BPP_BitBltSrcCopy, DIB_XXBPP_StretchBlt,
DIB_32BPP_TransparentBlt, DIB_32BPP_ColorFill, DIB_32BPP_AlphaBlend
},
/* BMF_4RLE */
{
Dummy_PutPixel, Dummy_GetPixel, Dummy_HLine, Dummy_VLine,
Dummy_BitBlt, Dummy_BitBlt, Dummy_StretchBlt, Dummy_TransparentBlt,
Dummy_ColorFill, Dummy_AlphaBlend
},
/* BMF_8RLE */
{
Dummy_PutPixel, Dummy_GetPixel, Dummy_HLine, Dummy_VLine,
Dummy_BitBlt, Dummy_BitBlt, Dummy_StretchBlt, Dummy_TransparentBlt,
Dummy_ColorFill, Dummy_AlphaBlend
},
/* BMF_JPEG */
{
Dummy_PutPixel, Dummy_GetPixel, Dummy_HLine, Dummy_VLine,
Dummy_BitBlt, Dummy_BitBlt, Dummy_StretchBlt, Dummy_TransparentBlt,
Dummy_ColorFill, Dummy_AlphaBlend
},
/* BMF_PNG */
{
Dummy_PutPixel, Dummy_GetPixel, Dummy_HLine, Dummy_VLine,
Dummy_BitBlt, Dummy_BitBlt, Dummy_StretchBlt, Dummy_TransparentBlt,
Dummy_ColorFill, Dummy_AlphaBlend
}
};
ULONG
DIB_DoRop(ULONG Rop, ULONG Dest, ULONG Source, ULONG Pattern)
{
ULONG ResultNibble;
ULONG Result;
ULONG i;
static const ULONG ExpandDest[16] =
{
0x55555555 /* 0000 */,
0x555555AA /* 0001 */,
0x5555AA55 /* 0010 */,
0x5555AAAA /* 0011 */,
0x55AA5555 /* 0100 */,
0x55AA55AA /* 0101 */,
0x55AAAA55 /* 0110 */,
0x55AAAAAA /* 0111 */,
0xAA555555 /* 1000 */,
0xAA5555AA /* 1001 */,
0xAA55AA55 /* 1010 */,
0xAA55AAAA /* 1011 */,
0xAAAA5555 /* 1100 */,
0xAAAA55AA /* 1101 */,
0xAAAAAA55 /* 1110 */,
0xAAAAAAAA /* 1111 */,
};
static const ULONG ExpandSource[16] =
{
0x33333333 /* 0000 */,
0x333333CC /* 0001 */,
0x3333CC33 /* 0010 */,
0x3333CCCC /* 0011 */,
0x33CC3333 /* 0100 */,
0x33CC33CC /* 0101 */,
0x33CCCC33 /* 0110 */,
0x33CCCCCC /* 0111 */,
0xCC333333 /* 1000 */,
0xCC3333CC /* 1001 */,
0xCC33CC33 /* 1010 */,
0xCC33CCCC /* 1011 */,
0xCCCC3333 /* 1100 */,
0xCCCC33CC /* 1101 */,
0xCCCCCC33 /* 1110 */,
0xCCCCCCCC /* 1111 */,
};
static const ULONG ExpandPattern[16] =
{
0x0F0F0F0F /* 0000 */,
0x0F0F0FF0 /* 0001 */,
0x0F0FF00F /* 0010 */,
0x0F0FF0F0 /* 0011 */,
0x0FF00F0F /* 0100 */,
0x0FF00FF0 /* 0101 */,
0x0FF0F00F /* 0110 */,
0x0FF0F0F0 /* 0111 */,
0xF00F0F0F /* 1000 */,
0xF00F0FF0 /* 1001 */,
0xF00FF00F /* 1010 */,
0xF00FF0F0 /* 1011 */,
0xF0F00F0F /* 1100 */,
0xF0F00FF0 /* 1101 */,
0xF0F0F00F /* 1110 */,
0xF0F0F0F0 /* 1111 */,
};
/* Ignore alpha channel in Pattern */
Pattern &= 0x00ffffff ;
/* Optimized code for the various named rop codes. */
switch (Rop)
{
case ROP3_TO_ROP4(BLACKNESS): return(0);
case ROP3_TO_ROP4(NOTSRCERASE): return(~(Dest | Source));
case ROP3_TO_ROP4(NOTSRCCOPY): return(~Source);
case ROP3_TO_ROP4(SRCERASE): return((~Dest) & Source);
case ROP3_TO_ROP4(DSTINVERT): return(~Dest);
case ROP3_TO_ROP4(PATINVERT): return(Dest ^ Pattern);
case ROP3_TO_ROP4(SRCINVERT): return(Dest ^ Source);
case ROP3_TO_ROP4(SRCAND): return(Dest & Source);
case ROP3_TO_ROP4(MERGEPAINT): return(Dest | (~Source));
case ROP3_TO_ROP4(SRCPAINT): return(Dest | Source);
case ROP3_TO_ROP4(MERGECOPY): return(Source & Pattern);
case ROP3_TO_ROP4(SRCCOPY): return(Source);
case ROP3_TO_ROP4(PATCOPY): return(Pattern);
case ROP3_TO_ROP4(PATPAINT): return(Dest | (~Source) | Pattern);
case ROP3_TO_ROP4(WHITENESS): return(0xFFFFFFFF);
}
/* Expand the ROP operation to all four bytes */
Rop &= 0xFF;
Rop |= (Rop << 24) | (Rop << 16) | (Rop << 8);
/* Do the operation on four bits simultaneously. */
Result = 0;
for (i = 0; i < 8; i++)
{
ResultNibble = Rop & ExpandDest[Dest & 0xF] & ExpandSource[Source & 0xF] & ExpandPattern[Pattern & 0xF];
Result |= (((ResultNibble & 0xFF000000) ? 0x8 : 0x0) | ((ResultNibble & 0x00FF0000) ? 0x4 : 0x0) |
((ResultNibble & 0x0000FF00) ? 0x2 : 0x0) | ((ResultNibble & 0x000000FF) ? 0x1 : 0x0)) << (i * 4);
Dest >>= 4;
Source >>= 4;
Pattern >>= 4;
}
return(Result);
}
VOID Dummy_PutPixel(SURFOBJ* SurfObj, LONG x, LONG y, ULONG c)
{
return;
}
ULONG Dummy_GetPixel(SURFOBJ* SurfObj, LONG x, LONG y)
{
return 0;
}
VOID Dummy_HLine(SURFOBJ* SurfObj, LONG x1, LONG x2, LONG y, ULONG c)
{
return;
}
VOID Dummy_VLine(SURFOBJ* SurfObj, LONG x, LONG y1, LONG y2, ULONG c)
{
return;
}
BOOLEAN Dummy_BitBlt(PBLTINFO BltInfo)
{
return FALSE;
}
BOOLEAN Dummy_StretchBlt(SURFOBJ *DestSurf, SURFOBJ *SourceSurf,
SURFOBJ *PatternSurface, SURFOBJ *MaskSurf,
RECTL* DestRect, RECTL *SourceRect,
POINTL* MaskOrigin, BRUSHOBJ* Brush,
POINTL* BrushOrign,
XLATEOBJ *ColorTranslation,
ROP4 Rop)
{
return FALSE;
}
BOOLEAN Dummy_TransparentBlt(SURFOBJ *DestSurf, SURFOBJ *SourceSurf,
RECTL* DestRect, RECTL *SourceRect,
XLATEOBJ *ColorTranslation, ULONG iTransColor)
{
return FALSE;
}
BOOLEAN Dummy_ColorFill(SURFOBJ* Dest, RECTL* DestRect, ULONG Color)
{
return FALSE;
}
BOOLEAN
Dummy_AlphaBlend(SURFOBJ* Dest, SURFOBJ* Source, RECTL* DestRect,
RECTL* SourceRect, CLIPOBJ* ClipRegion,
XLATEOBJ* ColorTranslation, BLENDOBJ* BlendObj)
{
return FALSE;
}
/* EOF */