Implement MaskBlt using BitBlt (adapted by Dimitrie O. Paun).
This commit is contained in:
Jaekil Lee
Alexandre Julliard
parent
ae004ab312
commit
a6e95a8a11
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@ -107,19 +107,207 @@ BOOL WINAPI StretchBlt( HDC hdcDst, INT xDst, INT yDst,
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return ret;
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}
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static inline BYTE SwapROP3_SrcDst(BYTE bRop3)
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{
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return (bRop3 & 0x99) | ((bRop3 & 0x22) << 1) | ((bRop3 & 0x44) >> 1);
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}
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#define FRGND_ROP3(ROP4) ((ROP4) & 0x00FFFFFF)
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#define BKGND_ROP3(ROP4) (ROP3Table[(SwapROP3_SrcDst((ROP4)>>24)) & 0xFF])
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#define DSTCOPY 0x00AA0029
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#define DSTERASE 0x00220326 /* dest = dest & (~src) : DSna */
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/***********************************************************************
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* MaskBlt [GDI32.@]
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*/
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BOOL WINAPI MaskBlt(HDC hdcDest, INT nXDest, INT nYDest,
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INT nWidth, INT nHeight, HDC hdcSource,
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INT nWidth, INT nHeight, HDC hdcSrc,
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INT nXSrc, INT nYSrc, HBITMAP hbmMask,
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INT xMask, INT yMask, DWORD dwRop)
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{
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FIXME("(%p,%d,%d,%d,%d,%p,%d,%d,%p,%d,%d,%ld): stub\n",
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hdcDest,nXDest,nYDest,nWidth,nHeight,hdcSource,nXSrc,nYSrc,
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hbmMask,xMask,yMask,dwRop);
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return 1;
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HBITMAP hOldMaskBitmap, hBitmap2, hOldBitmap2, hBitmap3, hOldBitmap3;
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HDC hDCMask, hDC1, hDC2;
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static const DWORD ROP3Table[256] =
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{
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0x00000042, 0x00010289,
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0x00020C89, 0x000300AA,
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0x00040C88, 0x000500A9,
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0x00060865, 0x000702C5,
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0x00080F08, 0x00090245,
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0x000A0329, 0x000B0B2A,
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0x000C0324, 0x000D0B25,
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0x000E08A5, 0x000F0001,
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0x00100C85, 0x001100A6,
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0x00120868, 0x001302C8,
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0x00140869, 0x001502C9,
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0x00165CCA, 0x00171D54,
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0x00180D59, 0x00191CC8,
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0x001A06C5, 0x001B0768,
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0x001C06CA, 0x001D0766,
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0x001E01A5, 0x001F0385,
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0x00200F09, 0x00210248,
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0x00220326, 0x00230B24,
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0x00240D55, 0x00251CC5,
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0x002606C8, 0x00271868,
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0x00280369, 0x002916CA,
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0x002A0CC9, 0x002B1D58,
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0x002C0784, 0x002D060A,
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0x002E064A, 0x002F0E2A,
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0x0030032A, 0x00310B28,
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0x00320688, 0x00330008,
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0x003406C4, 0x00351864,
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0x003601A8, 0x00370388,
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0x0038078A, 0x00390604,
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0x003A0644, 0x003B0E24,
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0x003C004A, 0x003D18A4,
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0x003E1B24, 0x003F00EA,
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0x00400F0A, 0x00410249,
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0x00420D5D, 0x00431CC4,
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0x00440328, 0x00450B29,
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0x004606C6, 0x0047076A,
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0x00480368, 0x004916C5,
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0x004A0789, 0x004B0605,
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0x004C0CC8, 0x004D1954,
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0x004E0645, 0x004F0E25,
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0x00500325, 0x00510B26,
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0x005206C9, 0x00530764,
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0x005408A9, 0x00550009,
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0x005601A9, 0x00570389,
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0x00580785, 0x00590609,
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0x005A0049, 0x005B18A9,
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0x005C0649, 0x005D0E29,
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0x005E1B29, 0x005F00E9,
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0x00600365, 0x006116C6,
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0x00620786, 0x00630608,
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0x00640788, 0x00650606,
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0x00660046, 0x006718A8,
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0x006858A6, 0x00690145,
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0x006A01E9, 0x006B178A,
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0x006C01E8, 0x006D1785,
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0x006E1E28, 0x006F0C65,
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0x00700CC5, 0x00711D5C,
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0x00720648, 0x00730E28,
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0x00740646, 0x00750E26,
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0x00761B28, 0x007700E6,
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0x007801E5, 0x00791786,
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0x007A1E29, 0x007B0C68,
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0x007C1E24, 0x007D0C69,
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0x007E0955, 0x007F03C9,
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0x008003E9, 0x00810975,
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0x00820C49, 0x00831E04,
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0x00840C48, 0x00851E05,
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0x008617A6, 0x008701C5,
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0x008800C6, 0x00891B08,
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0x008A0E06, 0x008B0666,
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0x008C0E08, 0x008D0668,
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0x008E1D7C, 0x008F0CE5,
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0x00900C45, 0x00911E08,
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0x009217A9, 0x009301C4,
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0x009417AA, 0x009501C9,
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0x00960169, 0x0097588A,
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0x00981888, 0x00990066,
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0x009A0709, 0x009B07A8,
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0x009C0704, 0x009D07A6,
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0x009E16E6, 0x009F0345,
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0x00A000C9, 0x00A11B05,
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0x00A20E09, 0x00A30669,
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0x00A41885, 0x00A50065,
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0x00A60706, 0x00A707A5,
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0x00A803A9, 0x00A90189,
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0x00AA0029, 0x00AB0889,
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0x00AC0744, 0x00AD06E9,
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0x00AE0B06, 0x00AF0229,
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0x00B00E05, 0x00B10665,
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0x00B21974, 0x00B30CE8,
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0x00B4070A, 0x00B507A9,
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0x00B616E9, 0x00B70348,
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0x00B8074A, 0x00B906E6,
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0x00BA0B09, 0x00BB0226,
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0x00BC1CE4, 0x00BD0D7D,
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0x00BE0269, 0x00BF08C9,
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0x00C000CA, 0x00C11B04,
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0x00C21884, 0x00C3006A,
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0x00C40E04, 0x00C50664,
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0x00C60708, 0x00C707AA,
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0x00C803A8, 0x00C90184,
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0x00CA0749, 0x00CB06E4,
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0x00CC0020, 0x00CD0888,
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0x00CE0B08, 0x00CF0224,
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0x00D00E0A, 0x00D1066A,
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0x00D20705, 0x00D307A4,
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0x00D41D78, 0x00D50CE9,
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0x00D616EA, 0x00D70349,
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0x00D80745, 0x00D906E8,
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0x00DA1CE9, 0x00DB0D75,
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0x00DC0B04, 0x00DD0228,
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0x00DE0268, 0x00DF08C8,
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0x00E003A5, 0x00E10185,
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0x00E20746, 0x00E306EA,
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0x00E40748, 0x00E506E5,
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0x00E61CE8, 0x00E70D79,
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0x00E81D74, 0x00E95CE6,
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0x00EA02E9, 0x00EB0849,
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0x00EC02E8, 0x00ED0848,
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0x00EE0086, 0x00EF0A08,
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0x00F00021, 0x00F10885,
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0x00F20B05, 0x00F3022A,
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0x00F40B0A, 0x00F50225,
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0x00F60265, 0x00F708C5,
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0x00F802E5, 0x00F90845,
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0x00FA0089, 0x00FB0A09,
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0x00FC008A, 0x00FD0A0A,
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0x00FE02A9, 0x00FF0062,
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};
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if (!hbmMask)
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return BitBlt(hdcDest, nXDest, nYDest, nWidth, nHeight, hdcSrc, nXSrc, nYSrc, FRGND_ROP3(dwRop));
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/* 1. make mask bitmap's dc */
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hDCMask = CreateCompatibleDC(hdcDest);
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hOldMaskBitmap = (HBITMAP)SelectObject(hDCMask, hbmMask);
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/* 2. make masked Background bitmap */
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/* 2.1 make bitmap */
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hDC1 = CreateCompatibleDC(hdcDest);
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hBitmap2 = CreateCompatibleBitmap(hdcDest, nWidth, nHeight);
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hOldBitmap2 = (HBITMAP)SelectObject(hDC1, hBitmap2);
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/* 2.2 draw dest bitmap and mask */
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BitBlt(hDC1, 0, 0, nWidth, nHeight, hdcSrc, nXSrc, nYSrc, SRCCOPY);
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BitBlt(hDC1, 0, 0, nWidth, nHeight, hdcDest, nXDest, nYDest, BKGND_ROP3(dwRop));
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BitBlt(hDC1, 0, 0, nWidth, nHeight, hDCMask, xMask, yMask, DSTERASE);
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/* 3. make masked Foreground bitmap */
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/* 3.1 make bitmap */
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hDC2 = CreateCompatibleDC(hdcDest);
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hBitmap3 = CreateCompatibleBitmap(hdcDest, nWidth, nHeight);
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hOldBitmap3 = (HBITMAP)SelectObject(hDC2, hBitmap3);
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/* 3.2 draw src bitmap and mask */
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BitBlt(hDC2, 0, 0, nWidth, nHeight, hdcDest, nXDest, nYDest, SRCCOPY);
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BitBlt(hDC2, 0, 0, nWidth, nHeight, hdcSrc, nXSrc, nYSrc, FRGND_ROP3(dwRop));
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BitBlt(hDC2, 0, 0, nWidth, nHeight, hDCMask, xMask, yMask, SRCAND);
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/* 4. combine two bitmap and copy it to hdcDest */
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BitBlt(hDC1, 0, 0, nWidth, nHeight, hDC2, 0, 0, SRCPAINT);
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BitBlt(hdcDest, nXDest, nYDest, nWidth, nHeight, hDC1, 0, 0, SRCCOPY);
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/* 5. restore all object */
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SelectObject(hDCMask, hOldMaskBitmap);
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SelectObject(hDC1, hOldBitmap2);
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SelectObject(hDC2, hOldBitmap3);
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/* 6. delete all temp object */
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DeleteObject(hBitmap2);
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DeleteObject(hBitmap3);
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DeleteDC(hDC1);
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DeleteDC(hDC2);
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DeleteDC(hDCMask);
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return TRUE;
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}
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/*********************************************************************
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