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