Implement MaskBlt using BitBlt (adapted by Dimitrie O. Paun).

This commit is contained in:
Jaekil Lee 2003-05-16 20:11:36 +00:00 committed by Alexandre Julliard
parent ae004ab312
commit a6e95a8a11

View File

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