[Resent] MaskBlt
Dimitrie O. Paun
dpaun at rogers.com
Thu May 15 18:01:51 CDT 2003
My name is in the changelog so that bugs are
blamed on the real culprit :) If you think this
is improper, please drop it.
ChangeLog
Jaekil Lee <Jaekil.Lee at efi.com>
Implement MaskBlt using BitBlt.
Adapted for Wine by Dimitrie O. Paun.
Index: graphics/bitblt.c
===================================================================
RCS file: /var/cvs/wine/graphics/bitblt.c,v
retrieving revision 1.20
diff -u -r1.20 bitblt.c
--- graphics/bitblt.c 22 Nov 2002 22:16:53 -0000 1.20
+++ graphics/bitblt.c 22 Apr 2003 04:18:00 -0000
@@ -107,19 +107,207 @@
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;
}
/*********************************************************************
--
Dimi.
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