| /* |
| * GDI bit-blit operations |
| * |
| * Copyright 1993, 1994 Alexandre Julliard |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| */ |
| |
| #include "gdi.h" |
| #include "gdi_private.h" |
| #include "wine/debug.h" |
| |
| WINE_DEFAULT_DEBUG_CHANNEL(bitblt); |
| |
| |
| /*********************************************************************** |
| * PatBlt (GDI32.@) |
| */ |
| BOOL WINAPI PatBlt( HDC hdc, INT left, INT top, |
| INT width, INT height, DWORD rop) |
| { |
| DC * dc = DC_GetDCUpdate( hdc ); |
| BOOL bRet = FALSE; |
| |
| if (!dc) return FALSE; |
| |
| if (dc->funcs->pPatBlt) |
| { |
| TRACE("%p %d,%d %dx%d %06lx\n", hdc, left, top, width, height, rop ); |
| bRet = dc->funcs->pPatBlt( dc->physDev, left, top, width, height, rop ); |
| } |
| GDI_ReleaseObj( hdc ); |
| return bRet; |
| } |
| |
| |
| /*********************************************************************** |
| * BitBlt (GDI32.@) |
| */ |
| BOOL WINAPI BitBlt( HDC hdcDst, INT xDst, INT yDst, INT width, |
| INT height, HDC hdcSrc, INT xSrc, INT ySrc, DWORD rop ) |
| { |
| BOOL ret = FALSE; |
| DC *dcDst, *dcSrc; |
| |
| if ((dcSrc = DC_GetDCUpdate( hdcSrc ))) GDI_ReleaseObj( hdcSrc ); |
| /* FIXME: there is a race condition here */ |
| if ((dcDst = DC_GetDCUpdate( hdcDst ))) |
| { |
| dcSrc = DC_GetDCPtr( hdcSrc ); |
| TRACE("hdcSrc=%p %d,%d -> hdcDest=%p %d,%d %dx%d rop=%06lx\n", |
| hdcSrc, xSrc, ySrc, hdcDst, xDst, yDst, width, height, rop); |
| if (dcDst->funcs->pBitBlt) |
| ret = dcDst->funcs->pBitBlt( dcDst->physDev, xDst, yDst, width, height, |
| dcSrc ? dcSrc->physDev : NULL, xSrc, ySrc, rop ); |
| if (dcSrc) GDI_ReleaseObj( hdcSrc ); |
| GDI_ReleaseObj( hdcDst ); |
| } |
| return ret; |
| } |
| |
| |
| /*********************************************************************** |
| * StretchBlt (GDI32.@) |
| */ |
| BOOL WINAPI StretchBlt( HDC hdcDst, INT xDst, INT yDst, |
| INT widthDst, INT heightDst, |
| HDC hdcSrc, INT xSrc, INT ySrc, |
| INT widthSrc, INT heightSrc, |
| DWORD rop ) |
| { |
| BOOL ret = FALSE; |
| DC *dcDst, *dcSrc; |
| |
| if ((dcSrc = DC_GetDCUpdate( hdcSrc ))) GDI_ReleaseObj( hdcSrc ); |
| /* FIXME: there is a race condition here */ |
| if ((dcDst = DC_GetDCUpdate( hdcDst ))) |
| { |
| dcSrc = DC_GetDCPtr( hdcSrc ); |
| |
| TRACE("%p %d,%d %dx%d -> %p %d,%d %dx%d rop=%06lx\n", |
| hdcSrc, xSrc, ySrc, widthSrc, heightSrc, |
| hdcDst, xDst, yDst, widthDst, heightDst, rop ); |
| |
| if (dcSrc) { |
| if (dcDst->funcs->pStretchBlt) |
| ret = dcDst->funcs->pStretchBlt( dcDst->physDev, xDst, yDst, widthDst, heightDst, |
| dcSrc->physDev, xSrc, ySrc, widthSrc, heightSrc, |
| rop ); |
| GDI_ReleaseObj( hdcSrc ); |
| } |
| GDI_ReleaseObj( hdcDst ); |
| } |
| 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 hdcSrc, |
| INT nXSrc, INT nYSrc, HBITMAP hbmMask, |
| INT xMask, INT yMask, DWORD dwRop) |
| { |
| 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; |
| } |
| |
| /********************************************************************* |
| * PlgBlt [GDI32.@] |
| * |
| */ |
| BOOL WINAPI PlgBlt( HDC hdcDest, const POINT *lpPoint, |
| HDC hdcSrc, INT nXDest, INT nYDest, INT nWidth, |
| INT nHeight, HBITMAP hbmMask, INT xMask, INT yMask) |
| { |
| FIXME("PlgBlt, stub\n"); |
| return 1; |
| } |
