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https://github.com/reactos/reactos.git
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884 lines
22 KiB
C
884 lines
22 KiB
C
/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS kernel
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* PURPOSE: GDI Color Translation Functions
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* FILE: subsystems/win32/win32k/eng/xlate.c
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* PROGRAMER: Timo Kreuzer (timo.kreuzer@reactos.org)
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*/
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#include <win32k.h>
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#include <intrin.h>
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#define NDEBUG
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#include <debug.h>
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/** Globals *******************************************************************/
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ULONG giUniqueXlate = 0;
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EXLATEOBJ gexloTrivial;
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XLATEOBJ* gpxloTrivial = &gexloTrivial.xlo;
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const BYTE gajXlate5to8[32] =
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{ 0, 8, 16, 25, 33, 41, 49, 58, 66, 74, 82, 90, 99,107,115,123,
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132,140,148,156,165,173,181,189,197,206,214,222,231,239,247,255};
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const BYTE gajXlate6to8[64] =
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{ 0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 45, 49, 52, 57, 61,
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65, 69, 73, 77, 81, 85, 89, 93, 97,101,105,109,113,117,121,125,
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130,134,138,142,146,150,154,158,162,166,170,174,178,182,186,190,
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194,198,202,207,210,215,219,223,227,231,235,239,243,247,251,255};
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/** iXlate functions **********************************************************/
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ULONG
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FASTCALL
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EXLATEOBJ_iXlateTrivial(PEXLATEOBJ pexlo, ULONG iColor)
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{
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return iColor;
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}
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ULONG
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FASTCALL
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EXLATEOBJ_iXlateToMono(PEXLATEOBJ pexlo, ULONG iColor)
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{
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return (iColor == pexlo->xlo.pulXlate[0]);
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}
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ULONG
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FASTCALL
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EXLATEOBJ_iXlateTable(PEXLATEOBJ pexlo, ULONG iColor)
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{
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if (iColor >= pexlo->xlo.cEntries)
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{
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iColor %= pexlo->xlo.cEntries;
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}
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return pexlo->xlo.pulXlate[iColor];
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}
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ULONG
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FASTCALL
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EXLATEOBJ_iXlateRGBtoBGR(PEXLATEOBJ pxlo, ULONG iColor)
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{
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ULONG iNewColor;
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/* Copy green and alpha */
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iNewColor = iColor & 0xff00ff00;
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/* Mask red and blue */
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iColor &= 0x00ff00ff;
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/* Shift and copy red and blue */
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iNewColor |= iColor >> 16;
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iNewColor |= iColor << 16;
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return iNewColor;
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}
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ULONG
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FASTCALL
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EXLATEOBJ_iXlateRGBto555(PEXLATEOBJ pxlo, ULONG iColor)
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{
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ULONG iNewColor;
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/* Copy red */
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iColor <<= 7;
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iNewColor = iColor & 0x7C00;
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/* Copy green */
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iColor >>= 13;
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iNewColor |= iColor & 0x3E0;
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/* Copy green */
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iColor >>= 13;
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iNewColor |= iColor & 0x1F;
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return iNewColor;
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}
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ULONG
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FASTCALL
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EXLATEOBJ_iXlateBGRto555(PEXLATEOBJ pxlo, ULONG iColor)
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{
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ULONG iNewColor;
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/* Copy blue */
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iColor >>= 3;
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iNewColor = iColor & 0x1f;
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/* Copy green */
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iColor >>= 3;
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iNewColor |= (iColor & 0x3E0);
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/* Copy red */
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iColor >>= 3;
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iNewColor |= (iColor & 0x7C00);
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return iNewColor;
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}
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ULONG
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FASTCALL
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EXLATEOBJ_iXlateRGBto565(PEXLATEOBJ pxlo, ULONG iColor)
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{
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ULONG iNewColor;
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/* Copy red */
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iColor <<= 8;
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iNewColor = iColor & 0xF800;
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/* Copy green */
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iColor >>= 13;
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iNewColor |= iColor & 0x7E0;
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/* Copy green */
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iColor >>= 14;
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iNewColor |= iColor & 0x1F;
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return iNewColor;
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}
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ULONG
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FASTCALL
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EXLATEOBJ_iXlateBGRto565(PEXLATEOBJ pxlo, ULONG iColor)
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{
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ULONG iNewColor;
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/* Copy blue */
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iColor >>= 3;
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iNewColor = iColor & 0x1f;
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/* Copy green */
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iColor >>= 2;
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iNewColor |= (iColor & 0x7E0);
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/* Copy red */
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iColor >>= 3;
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iNewColor |= (iColor & 0xF800);
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return iNewColor;
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}
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ULONG
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FASTCALL
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EXLATEOBJ_iXlateRGBtoPal(PEXLATEOBJ pexlo, ULONG iColor)
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{
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return PALETTE_ulGetNearestPaletteIndex(pexlo->ppalDst, iColor);
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}
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ULONG
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FASTCALL
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EXLATEOBJ_iXlate555toRGB(PEXLATEOBJ pxlo, ULONG iColor)
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{
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ULONG iNewColor;
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/* Copy blue */
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iNewColor = gajXlate5to8[iColor & 0x1F] << 16;
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/* Copy green */
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iColor >>= 5;
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iNewColor |= gajXlate5to8[iColor & 0x1F] << 8;
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/* Copy red */
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iColor >>= 5;
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iNewColor |= gajXlate5to8[iColor & 0x1F];
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return iNewColor;
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}
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ULONG
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FASTCALL
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EXLATEOBJ_iXlate555toBGR(PEXLATEOBJ pxlo, ULONG iColor)
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{
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ULONG iNewColor;
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/* Copy blue */
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iNewColor = gajXlate5to8[iColor & 0x1F];
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/* Copy green */
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iColor >>= 5;
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iNewColor |= gajXlate5to8[iColor & 0x1F] << 8;
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/* Copy red */
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iColor >>= 5;
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iNewColor |= gajXlate5to8[iColor & 0x1F] << 16;
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return iNewColor;
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}
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ULONG
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FASTCALL
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EXLATEOBJ_iXlate555to565(PEXLATEOBJ pxlo, ULONG iColor)
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{
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ULONG iNewColor;
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/* Copy blue */
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iNewColor = iColor & 0x1f;
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/* Copy red and green */
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iColor <<= 1;
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iNewColor |= iColor & 0xFFC0;
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/* Duplicate highest green bit */
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iColor >>= 5;
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iNewColor |= (iColor & 0x20);
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return iNewColor;
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}
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ULONG
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FASTCALL
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EXLATEOBJ_iXlate555toPal(PEXLATEOBJ pexlo, ULONG iColor)
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{
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iColor = EXLATEOBJ_iXlate555toRGB(pexlo, iColor);
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return PALETTE_ulGetNearestPaletteIndex(pexlo->ppalDst, iColor);
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}
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ULONG
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FASTCALL
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EXLATEOBJ_iXlate565to555(PEXLATEOBJ pxlo, ULONG iColor)
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{
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ULONG iNewColor;
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/* Copy blue */
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iNewColor = iColor & 0x1f;
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/* Copy red and green */
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iColor >>= 1;
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iNewColor |= iColor & 0x7FE0;
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return iNewColor;
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}
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ULONG
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FASTCALL
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EXLATEOBJ_iXlate565toRGB(PEXLATEOBJ pexlo, ULONG iColor)
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{
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ULONG iNewColor;
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/* Copy blue */
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iNewColor = gajXlate5to8[iColor & 0x1F] << 16;
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/* Copy green */
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iColor >>= 5;
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iNewColor |= gajXlate6to8[iColor & 0x3F] << 8;
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/* Copy red */
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iColor >>= 6;
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iNewColor |= gajXlate5to8[iColor & 0x1F];
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return iNewColor;
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}
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ULONG
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FASTCALL
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EXLATEOBJ_iXlate565toBGR(PEXLATEOBJ pexlo, ULONG iColor)
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{
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ULONG iNewColor;
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/* Copy blue */
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iNewColor = gajXlate5to8[iColor & 0x1F];
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/* Copy green */
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iColor >>= 5;
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iNewColor |= gajXlate6to8[iColor & 0x3F] << 8;
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/* Copy blue */
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iColor >>= 6;
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iNewColor |= gajXlate5to8[iColor & 0x1F] << 16;
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return iNewColor;
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}
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ULONG
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FASTCALL
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EXLATEOBJ_iXlate565toPal(EXLATEOBJ *pexlo, ULONG iColor)
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{
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iColor = EXLATEOBJ_iXlate565toRGB(pexlo, iColor);
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return PALETTE_ulGetNearestPaletteIndex(pexlo->ppalDst, iColor);
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}
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ULONG
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FASTCALL
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EXLATEOBJ_iXlateShiftAndMask(PEXLATEOBJ pexlo, ULONG iColor)
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{
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ULONG iNewColor;
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iNewColor = _rotl(iColor, pexlo->ulRedShift) & pexlo->ulRedMask;
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iNewColor |= _rotl(iColor, pexlo->ulGreenShift) & pexlo->ulGreenMask;
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iNewColor |= _rotl(iColor, pexlo->ulBlueShift) & pexlo->ulBlueMask;
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return iNewColor;
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}
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ULONG
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FASTCALL
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EXLATEOBJ_iXlateBitfieldsToPal(PEXLATEOBJ pexlo, ULONG iColor)
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{
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/* Convert bitfields to RGB */
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iColor = EXLATEOBJ_iXlateShiftAndMask(pexlo, iColor);
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/* Return nearest index */
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return PALETTE_ulGetNearestPaletteIndex(pexlo->ppalDst, iColor);
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}
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/** Private Functions *********************************************************/
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VOID
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NTAPI
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EXLATEOBJ_vInitTrivial(PEXLATEOBJ pexlo)
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{
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pexlo->xlo.iUniq = InterlockedIncrement((LONG*)&giUniqueXlate);
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pexlo->xlo.flXlate = XO_TRIVIAL;
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pexlo->xlo.iSrcType = PAL_RGB;
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pexlo->xlo.iDstType = PAL_RGB;
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pexlo->xlo.cEntries = 0;
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pexlo->xlo.pulXlate = pexlo->aulXlate;
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pexlo->pfnXlate = EXLATEOBJ_iXlateTrivial;
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pexlo->ppalSrc = &gpalRGB;
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pexlo->ppalDst = &gpalRGB;
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pexlo->ppalDstDc = &gpalRGB;
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pexlo->hColorTransform = NULL;
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}
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VOID
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NTAPI
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EXLATEOBJ_vInitialize(
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PEXLATEOBJ pexlo,
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PALETTE *ppalSrc,
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PALETTE *ppalDst,
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COLORREF crSrcBackColor,
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COLORREF crDstBackColor,
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COLORREF crDstForeColor)
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{
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ULONG cEntries;
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ULONG i, ulColor;
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EXLATEOBJ_vInitTrivial(pexlo);
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if (ppalDst == ppalSrc || !ppalSrc || !ppalDst ||
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((ppalDst->Mode == PAL_RGB || ppalDst->Mode == PAL_BGR) &&
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ppalDst->Mode == ppalSrc->Mode))
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{
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return;
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}
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pexlo->ppalSrc = ppalSrc;
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pexlo->ppalDst = ppalDst;
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pexlo->xlo.iSrcType = ppalSrc->Mode;
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pexlo->xlo.iDstType = ppalDst->Mode;
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/* Chack if both of the pallettes are indexed */
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if (!(ppalSrc->Mode & PAL_INDEXED) || !(ppalDst->Mode & PAL_INDEXED))
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{
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/* At least one palette is not indexed, calculate shifts/masks */
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ULONG aulMasksSrc[3], aulMasksDst[3];
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PALETTE_vGetBitMasks(ppalSrc, aulMasksSrc);
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PALETTE_vGetBitMasks(ppalDst, aulMasksDst);
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pexlo->ulRedMask = aulMasksDst[0];
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pexlo->ulGreenMask = aulMasksDst[1];
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pexlo->ulBlueMask = aulMasksDst[2];
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pexlo->ulRedShift = CalculateShift(aulMasksSrc[0], aulMasksDst[0]);
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pexlo->ulGreenShift = CalculateShift(aulMasksSrc[1], aulMasksDst[1]);
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pexlo->ulBlueShift = CalculateShift(aulMasksSrc[2], aulMasksDst[2]);
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}
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if (ppalSrc->Mode & PAL_MONOCHROME)
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{
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/* This is a monochrome palette */
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if (!(ppalDst->Mode & PAL_MONOCHROME))
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{
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/* Mono to color, use the dest DC's fore and back color */
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pexlo->pfnXlate = EXLATEOBJ_iXlateTable;
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pexlo->xlo.flXlate |= XO_TABLE;
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pexlo->xlo.cEntries = 2;
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pexlo->xlo.pulXlate[0] =
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PALETTE_ulGetNearestIndex(ppalDst, crDstForeColor);
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pexlo->xlo.pulXlate[1] =
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PALETTE_ulGetNearestIndex(ppalDst, crDstBackColor);
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}
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}
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else if (ppalDst->Mode & PAL_MONOCHROME)
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{
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pexlo->pfnXlate = EXLATEOBJ_iXlateToMono;
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pexlo->xlo.flXlate |= XO_TO_MONO;
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pexlo->xlo.cEntries = 1;
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if (ppalSrc->Mode & PAL_INDEXED)
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{
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pexlo->aulXlate[0] =
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PALETTE_ulGetNearestPaletteIndex(ppalSrc, crSrcBackColor);
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}
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else if (ppalSrc->Mode & PAL_BGR)
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{
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pexlo->aulXlate[0] = crSrcBackColor;
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}
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else if (ppalSrc->Mode & PAL_RGB)
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{
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pexlo->aulXlate[0] = RGB(GetBValue(crSrcBackColor),
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GetGValue(crSrcBackColor),
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GetRValue(crSrcBackColor));
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}
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else if (ppalSrc->Mode & PAL_BITFIELDS)
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{
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PALETTE_vGetBitMasks(ppalSrc, &pexlo->ulRedMask);
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pexlo->ulRedShift = CalculateShift(0xFF, pexlo->ulRedMask);
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pexlo->ulGreenShift = CalculateShift(0xFF00, pexlo->ulGreenMask);
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pexlo->ulBlueShift = CalculateShift(0xFF0000, pexlo->ulBlueMask);
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pexlo->aulXlate[0] = EXLATEOBJ_iXlateShiftAndMask(pexlo, crSrcBackColor);
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}
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}
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else if (ppalSrc->Mode & PAL_INDEXED)
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{
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cEntries = ppalSrc->NumColors;
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/* Allocate buffer if needed */
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if (cEntries > 6)
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{
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pexlo->xlo.pulXlate = EngAllocMem(0,
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cEntries * sizeof(ULONG),
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TAG_XLATEOBJ);
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if (!pexlo->xlo.pulXlate)
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{
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DPRINT1("Could not allocate pulXlate buffer.\n");
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pexlo->pfnXlate = EXLATEOBJ_iXlateTrivial;
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pexlo->xlo.flXlate = XO_TRIVIAL;
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return;
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}
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}
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pexlo->xlo.cEntries = cEntries;
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pexlo->pfnXlate = EXLATEOBJ_iXlateTable;
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if (ppalDst->Mode & PAL_INDEXED)
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{
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pexlo->xlo.flXlate |= XO_TABLE;
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for (i = 0; i < cEntries; i++)
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{
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ulColor = RGB(ppalSrc->IndexedColors[i].peRed,
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ppalSrc->IndexedColors[i].peGreen,
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ppalSrc->IndexedColors[i].peBlue);
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pexlo->xlo.pulXlate[i] =
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PALETTE_ulGetNearestPaletteIndex(ppalDst, ulColor);
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if (pexlo->xlo.pulXlate[i] != i)
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pexlo->xlo.flXlate &= ~XO_TRIVIAL;
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}
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if (pexlo->xlo.flXlate & XO_TRIVIAL)
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{
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if (pexlo->xlo.pulXlate != pexlo->aulXlate)
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{
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EngFreeMem(pexlo->xlo.pulXlate);
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pexlo->xlo.pulXlate = pexlo->aulXlate;
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}
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pexlo->pfnXlate = EXLATEOBJ_iXlateTrivial;
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pexlo->xlo.flXlate = XO_TRIVIAL;
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return;
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}
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}
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else
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{
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// FIXME: use PALETTE_ulGetNearest
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EXLATEOBJ exloTmp = *pexlo;
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exloTmp.xlo.pulXlate = exloTmp.aulXlate;
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pexlo->xlo.flXlate |= XO_TABLE;
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for (i = 0; i < pexlo->xlo.cEntries; i++)
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{
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ulColor = RGB(ppalSrc->IndexedColors[i].peRed,
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ppalSrc->IndexedColors[i].peGreen,
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ppalSrc->IndexedColors[i].peBlue);
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pexlo->xlo.pulXlate[i] =
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EXLATEOBJ_iXlateShiftAndMask(&exloTmp, ulColor);
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}
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}
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}
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else if (ppalSrc->Mode & PAL_RGB)
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{
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if (ppalDst->Mode & PAL_INDEXED)
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pexlo->pfnXlate = EXLATEOBJ_iXlateRGBtoPal;
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else if (ppalDst->Mode & PAL_BGR)
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pexlo->pfnXlate = EXLATEOBJ_iXlateRGBtoBGR;
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else if (ppalDst->Mode & PAL_RGB16_555)
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pexlo->pfnXlate = EXLATEOBJ_iXlateRGBto555;
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else if (ppalDst->Mode & PAL_RGB16_565)
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pexlo->pfnXlate = EXLATEOBJ_iXlateRGBto565;
|
|
|
|
else if (ppalDst->Mode & PAL_BITFIELDS)
|
|
pexlo->pfnXlate = EXLATEOBJ_iXlateShiftAndMask;
|
|
}
|
|
else if (ppalSrc->Mode & PAL_BGR)
|
|
{
|
|
if (ppalDst->Mode & PAL_INDEXED)
|
|
pexlo->pfnXlate = EXLATEOBJ_iXlateBitfieldsToPal;
|
|
|
|
else if (ppalDst->Mode & PAL_RGB)
|
|
/* The inverse function works the same */
|
|
pexlo->pfnXlate = EXLATEOBJ_iXlateRGBtoBGR;
|
|
|
|
else if (ppalDst->Mode & PAL_RGB16_555)
|
|
pexlo->pfnXlate = EXLATEOBJ_iXlateBGRto555;
|
|
|
|
else if (ppalDst->Mode & PAL_RGB16_565)
|
|
pexlo->pfnXlate = EXLATEOBJ_iXlateBGRto565;
|
|
|
|
else if (ppalDst->Mode & PAL_BITFIELDS)
|
|
pexlo->pfnXlate = EXLATEOBJ_iXlateShiftAndMask;
|
|
}
|
|
else if (ppalSrc->Mode & PAL_RGB16_555)
|
|
{
|
|
if (ppalDst->Mode & PAL_INDEXED)
|
|
pexlo->pfnXlate = EXLATEOBJ_iXlate555toPal;
|
|
|
|
else if (ppalDst->Mode & PAL_RGB)
|
|
pexlo->pfnXlate = EXLATEOBJ_iXlate555toRGB;
|
|
|
|
else if (ppalDst->Mode & PAL_BGR)
|
|
pexlo->pfnXlate = EXLATEOBJ_iXlate555toBGR;
|
|
|
|
else if (ppalDst->Mode & PAL_RGB16_565)
|
|
pexlo->pfnXlate = EXLATEOBJ_iXlate555to565;
|
|
|
|
else if (ppalDst->Mode & PAL_BITFIELDS)
|
|
pexlo->pfnXlate = EXLATEOBJ_iXlateShiftAndMask;
|
|
}
|
|
else if (ppalSrc->Mode & PAL_RGB16_565)
|
|
{
|
|
if (ppalDst->Mode & PAL_INDEXED)
|
|
pexlo->pfnXlate = EXLATEOBJ_iXlate565toPal;
|
|
|
|
else if (ppalDst->Mode & PAL_RGB)
|
|
pexlo->pfnXlate = EXLATEOBJ_iXlate565toRGB;
|
|
|
|
else if (ppalDst->Mode & PAL_BGR)
|
|
pexlo->pfnXlate = EXLATEOBJ_iXlate565toBGR;
|
|
|
|
else if (ppalDst->Mode & PAL_RGB16_555)
|
|
pexlo->pfnXlate = EXLATEOBJ_iXlate565to555;
|
|
|
|
else if (ppalDst->Mode & PAL_BITFIELDS)
|
|
pexlo->pfnXlate = EXLATEOBJ_iXlateShiftAndMask;
|
|
}
|
|
else if (ppalSrc->Mode & PAL_BITFIELDS)
|
|
{
|
|
if (ppalDst->Mode & PAL_INDEXED)
|
|
pexlo->pfnXlate = EXLATEOBJ_iXlateBitfieldsToPal;
|
|
else
|
|
pexlo->pfnXlate = EXLATEOBJ_iXlateShiftAndMask;
|
|
}
|
|
|
|
/* Check for a trivial shift and mask operation */
|
|
if (pexlo->pfnXlate == EXLATEOBJ_iXlateShiftAndMask &&
|
|
!pexlo->ulRedShift && !pexlo->ulGreenShift && !pexlo->ulBlueShift)
|
|
{
|
|
pexlo->pfnXlate = EXLATEOBJ_iXlateTrivial;
|
|
}
|
|
|
|
/* Check for trivial xlate */
|
|
if (pexlo->pfnXlate == EXLATEOBJ_iXlateTrivial)
|
|
pexlo->xlo.flXlate = XO_TRIVIAL;
|
|
else
|
|
pexlo->xlo.flXlate &= ~XO_TRIVIAL;
|
|
}
|
|
|
|
VOID
|
|
NTAPI
|
|
EXLATEOBJ_vInitXlateFromDCs(
|
|
EXLATEOBJ* pexlo,
|
|
PDC pdcSrc,
|
|
PDC pdcDst)
|
|
{
|
|
PSURFACE psurfDst, psurfSrc;
|
|
HPALETTE hpalSrc, hpalDst;
|
|
PPALETTE ppalSrc, ppalDst, ppalDstDc;
|
|
|
|
DPRINT("Enter EXLATEOBJ_vInitXlateFromDCs\n");
|
|
|
|
/* Do basic init */
|
|
EXLATEOBJ_vInitTrivial(pexlo);
|
|
|
|
psurfDst = pdcDst->dclevel.pSurface;
|
|
psurfSrc = pdcSrc->dclevel.pSurface;
|
|
|
|
if (psurfDst == psurfSrc)
|
|
{
|
|
return;
|
|
}
|
|
|
|
hpalSrc = psurfSrc->hDIBPalette;
|
|
if (!hpalSrc)
|
|
hpalSrc = pPrimarySurface->devinfo.hpalDefault;
|
|
|
|
ppalSrc = PALETTE_ShareLockPalette(hpalSrc);
|
|
if (!ppalSrc)
|
|
return;
|
|
|
|
hpalDst = psurfDst->hDIBPalette;
|
|
if (!hpalDst) hpalDst = pPrimarySurface->devinfo.hpalDefault;
|
|
|
|
ppalDst = PALETTE_ShareLockPalette(hpalDst);
|
|
if (!ppalDst)
|
|
{
|
|
PALETTE_ShareUnlockPalette(ppalSrc);
|
|
return;
|
|
}
|
|
|
|
ppalDstDc = pdcDst->dclevel.ppal;
|
|
ASSERT(ppalDstDc);
|
|
|
|
/* KB41464 details how to convert between mono and color */
|
|
if (psurfDst->SurfObj.iBitmapFormat == BMF_1BPP)
|
|
{
|
|
if (psurfSrc->SurfObj.iBitmapFormat != BMF_1BPP)
|
|
{
|
|
// HACK!! FIXME: 1bpp DDBs should have gpalMono already!
|
|
EXLATEOBJ_vInitialize(pexlo,
|
|
ppalSrc,
|
|
&gpalMono,
|
|
pdcSrc->pdcattr->crBackgroundClr,
|
|
pdcDst->pdcattr->crBackgroundClr,
|
|
pdcDst->pdcattr->crForegroundClr);
|
|
}
|
|
}
|
|
else if (psurfSrc->SurfObj.iBitmapFormat == BMF_1BPP && !psurfSrc->hSecure)
|
|
{
|
|
// HACK!! FIXME: 1bpp DDBs should have gpalMono already!
|
|
EXLATEOBJ_vInitialize(pexlo,
|
|
&gpalMono,
|
|
ppalDst,
|
|
0,
|
|
pdcDst->pdcattr->crBackgroundClr,
|
|
pdcDst->pdcattr->crForegroundClr);
|
|
}
|
|
else
|
|
{
|
|
EXLATEOBJ_vInitialize(pexlo, ppalSrc, ppalDst, 0, 0, 0);
|
|
}
|
|
|
|
PALETTE_ShareUnlockPalette(ppalDst);
|
|
PALETTE_ShareUnlockPalette(ppalSrc);
|
|
}
|
|
|
|
|
|
VOID
|
|
NTAPI
|
|
EXLATEOBJ_vInitBrushXlate(
|
|
PEXLATEOBJ pexlo,
|
|
BRUSH *pbrush,
|
|
SURFACE *psurfDst,
|
|
COLORREF crForegroundClr,
|
|
COLORREF crBackgroundClr)
|
|
{
|
|
HPALETTE hpalDst = NULL;
|
|
PPALETTE ppalDst, ppalPattern;
|
|
SURFACE *psurfPattern;
|
|
|
|
ASSERT(pexlo);
|
|
ASSERT(pbrush);
|
|
ASSERT(psurfDst);
|
|
ASSERT(!(pbrush->flAttrs & (GDIBRUSH_IS_SOLID | GDIBRUSH_IS_NULL)));
|
|
|
|
EXLATEOBJ_vInitTrivial(pexlo);
|
|
|
|
hpalDst = psurfDst->hDIBPalette;
|
|
if (!hpalDst) hpalDst = pPrimarySurface->devinfo.hpalDefault;
|
|
ppalDst = PALETTE_ShareLockPalette(hpalDst);
|
|
if (!ppalDst)
|
|
{
|
|
DPRINT1("No ppalDst!\n");
|
|
return;
|
|
}
|
|
|
|
psurfPattern = SURFACE_ShareLockSurface(pbrush->hbmPattern);
|
|
if (!psurfPattern)
|
|
{
|
|
PALETTE_ShareUnlockPalette(ppalDst);
|
|
return;
|
|
}
|
|
|
|
#if 0
|
|
if (psurfDst->SurfObj.iBitmapFormat == BMF_1BPP)
|
|
{
|
|
if (psurfSrc->SurfObj.iBitmapFormat != BMF_1BPP)
|
|
{
|
|
// HACK!! FIXME: 1bpp DDBs should have gpalMono already!
|
|
EXLATEOBJ_vInitialize(pexlo,
|
|
ppalSrc,
|
|
&gpalMono,
|
|
0,
|
|
crBackgroundClr,
|
|
crForegroundClr);
|
|
}
|
|
}
|
|
else
|
|
#endif
|
|
if (psurfPattern->SurfObj.iBitmapFormat == BMF_1BPP &&
|
|
!(pbrush->flAttrs & GDIBRUSH_IS_DIB))
|
|
{
|
|
/* Special case: 1 bpp pattern, not a DIB brush. */
|
|
if (psurfDst->SurfObj.iBitmapFormat != BMF_1BPP)
|
|
{
|
|
// HACK!! FIXME: 1bpp DDBs should have gpalMono already!
|
|
EXLATEOBJ_vInitialize(pexlo,
|
|
&gpalMono,
|
|
ppalDst,
|
|
0,
|
|
crBackgroundClr,
|
|
crForegroundClr);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/* Default: use the patterns' palette */
|
|
ppalPattern = PALETTE_LockPalette(psurfPattern->hDIBPalette);
|
|
if (ppalPattern)
|
|
{
|
|
EXLATEOBJ_vInitialize(pexlo, &gpalRGB, ppalDst, 0, 0, 0);
|
|
PALETTE_UnlockPalette(ppalPattern);
|
|
}
|
|
}
|
|
|
|
PALETTE_ShareUnlockPalette(ppalDst);
|
|
SURFACE_ShareUnlockSurface(psurfPattern);
|
|
}
|
|
|
|
VOID
|
|
NTAPI
|
|
EXLATEOBJ_vCleanup(PEXLATEOBJ pexlo)
|
|
{
|
|
if (pexlo->xlo.pulXlate != pexlo->aulXlate)
|
|
{
|
|
EngFreeMem(pexlo->xlo.pulXlate);
|
|
}
|
|
pexlo->xlo.pulXlate = pexlo->aulXlate;
|
|
}
|
|
|
|
VOID
|
|
InitXlateImpl(VOID)
|
|
{
|
|
|
|
EXLATEOBJ_vInitTrivial(&gexloTrivial);
|
|
}
|
|
|
|
|
|
/** Public DDI Functions ******************************************************/
|
|
|
|
#undef XLATEOBJ_iXlate
|
|
ULONG
|
|
NTAPI
|
|
XLATEOBJ_iXlate(XLATEOBJ *pxlo, ULONG iColor)
|
|
{
|
|
PEXLATEOBJ pexlo = (PEXLATEOBJ)pxlo;
|
|
|
|
if (!pxlo)
|
|
return iColor;
|
|
|
|
/* Call the iXlate function */
|
|
return pexlo->pfnXlate(pexlo, iColor);
|
|
}
|
|
|
|
ULONG
|
|
NTAPI
|
|
XLATEOBJ_cGetPalette(XLATEOBJ *pxlo, ULONG iPal, ULONG cPal, ULONG *pPalOut)
|
|
{
|
|
PEXLATEOBJ pexlo = (PEXLATEOBJ)pxlo;
|
|
PPALETTE ppal;
|
|
INT i;
|
|
|
|
if (!pxlo)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
if (iPal > 5)
|
|
{
|
|
DPRINT1("XLATEOBJ_cGetPalette called with wrong iPal: %d\n", iPal);
|
|
return 0;
|
|
}
|
|
|
|
/* Get the requested palette */
|
|
if (iPal == XO_DESTDCPALETTE)
|
|
{
|
|
ppal = pexlo->ppalDstDc;
|
|
}
|
|
else if (iPal == XO_SRCPALETTE || iPal == XO_SRCBITFIELDS)
|
|
{
|
|
ppal = pexlo->ppalSrc;
|
|
}
|
|
else
|
|
{
|
|
ppal = pexlo->ppalDst;
|
|
}
|
|
|
|
/* Verify palette type match */
|
|
if (!ppal ||
|
|
((iPal == XO_SRCPALETTE || iPal == XO_DESTPALETTE)
|
|
&& !(ppal->Mode & PAL_INDEXED)) ||
|
|
((iPal == XO_SRCBITFIELDS || iPal == XO_DESTBITFIELDS)
|
|
&& !(ppal->Mode & PAL_BITFIELDS)))
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
if(!pPalOut)
|
|
{
|
|
return ppal->NumColors;
|
|
}
|
|
|
|
/* Copy the values into the buffer */
|
|
if (ppal->Mode & PAL_INDEXED)
|
|
{
|
|
cPal = min(cPal, ppal->NumColors);
|
|
for (i = 0; i < cPal; i++)
|
|
{
|
|
pPalOut[i] = RGB(ppal->IndexedColors[i].peRed,
|
|
ppal->IndexedColors[i].peGreen,
|
|
ppal->IndexedColors[i].peBlue);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// FIXME: should use the above code
|
|
pPalOut[0] = ppal->RedMask;
|
|
pPalOut[1] = ppal->GreenMask;
|
|
pPalOut[2] = ppal->BlueMask;
|
|
}
|
|
|
|
return cPal;
|
|
}
|
|
|
|
HANDLE
|
|
NTAPI
|
|
XLATEOBJ_hGetColorTransform(XLATEOBJ *pxlo)
|
|
{
|
|
PEXLATEOBJ pexlo = (PEXLATEOBJ)pxlo;
|
|
return pexlo->hColorTransform;
|
|
}
|
|
|
|
PULONG
|
|
NTAPI
|
|
XLATEOBJ_piVector(XLATEOBJ *pxlo)
|
|
{
|
|
if (pxlo->iSrcType == PAL_INDEXED)
|
|
{
|
|
return pxlo->pulXlate;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
/* EOF */
|