| /* | |
| * 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; | |
| } | |
| #define FRGND_ROP3(ROP4) ((ROP4) & 0x00FFFFFF) | |
| #define BKGND_ROP3(ROP4) (ROP3Table[((ROP4)>>24) & 0xFF]) | |
| /*********************************************************************** | |
| * 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 hBitmap1, hOldBitmap1, hBitmap2, hOldBitmap2; | |
| HDC hDC1, hDC2; | |
| HBRUSH hbrMask, hbrDst, hbrTmp; | |
| 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)); | |
| hbrMask = CreatePatternBrush(hbmMask); | |
| hbrDst = SelectObject(hdcDest, GetStockObject(NULL_BRUSH)); | |
| /* make bitmap */ | |
| hDC1 = CreateCompatibleDC(hdcDest); | |
| hBitmap1 = CreateCompatibleBitmap(hdcDest, nWidth, nHeight); | |
| hOldBitmap1 = SelectObject(hDC1, hBitmap1); | |
| /* draw using bkgnd rop */ | |
| BitBlt(hDC1, 0, 0, nWidth, nHeight, hdcDest, nXDest, nYDest, SRCCOPY); | |
| hbrTmp = SelectObject(hDC1, hbrDst); | |
| BitBlt(hDC1, 0, 0, nWidth, nHeight, hdcSrc, nXSrc, nYSrc, BKGND_ROP3(dwRop)); | |
| SelectObject(hDC1, hbrTmp); | |
| /* make bitmap */ | |
| hDC2 = CreateCompatibleDC(hdcDest); | |
| hBitmap2 = CreateCompatibleBitmap(hdcDest, nWidth, nHeight); | |
| hOldBitmap2 = SelectObject(hDC2, hBitmap2); | |
| /* draw using foregnd rop */ | |
| BitBlt(hDC2, 0, 0, nWidth, nHeight, hdcDest, nXDest, nYDest, SRCCOPY); | |
| hbrTmp = SelectObject(hDC2, hbrDst); | |
| BitBlt(hDC2, 0, 0, nWidth, nHeight, hdcSrc, nXSrc, nYSrc, FRGND_ROP3(dwRop)); | |
| /* combine both using the mask as a pattern brush */ | |
| SelectObject(hDC2, hbrMask); | |
| BitBlt(hDC2, 0, 0, nWidth, nHeight, hDC1, 0, 0, 0xac0744 ); /* (D & P) | (S & ~P) */ | |
| SelectObject(hDC2, hbrTmp); | |
| /* blit to dst */ | |
| BitBlt(hdcDest, nXDest, nYDest, nWidth, nHeight, hDC2, 0, 0, SRCCOPY); | |
| /* restore all objects */ | |
| SelectObject(hdcDest, hbrDst); | |
| SelectObject(hDC1, hOldBitmap1); | |
| SelectObject(hDC2, hOldBitmap2); | |
| /* delete all temp objects */ | |
| DeleteObject(hBitmap1); | |
| DeleteObject(hBitmap1); | |
| DeleteObject(hbrMask); | |
| DeleteDC(hDC1); | |
| DeleteDC(hDC2); | |
| return TRUE; | |
| } | |
| /****************************************************************************** | |
| * GdiTransparentBlt [GDI32.@] | |
| */ | |
| BOOL WINAPI GdiTransparentBlt( HDC hdcDest, int xDest, int yDest, int widthDest, int heightDest, | |
| HDC hdcSrc, int xSrc, int ySrc, int widthSrc, int heightSrc, | |
| UINT crTransparent ) | |
| { | |
| BOOL ret = FALSE; | |
| HDC hdcWork; | |
| HBITMAP bmpWork; | |
| HGDIOBJ oldWork; | |
| HDC hdcMask = NULL; | |
| HBITMAP bmpMask = NULL; | |
| HBITMAP oldMask = NULL; | |
| COLORREF oldBackground; | |
| COLORREF oldForeground; | |
| int oldStretchMode; | |
| if(widthDest < 0 || heightDest < 0 || widthSrc < 0 || heightSrc < 0) { | |
| TRACE("Can not mirror\n"); | |
| return FALSE; | |
| } | |
| oldBackground = SetBkColor(hdcDest, RGB(255,255,255)); | |
| oldForeground = SetTextColor(hdcDest, RGB(0,0,0)); | |
| /* Stretch bitmap */ | |
| oldStretchMode = GetStretchBltMode(hdcSrc); | |
| if(oldStretchMode == BLACKONWHITE || oldStretchMode == WHITEONBLACK) | |
| SetStretchBltMode(hdcSrc, COLORONCOLOR); | |
| hdcWork = CreateCompatibleDC(hdcDest); | |
| bmpWork = CreateCompatibleBitmap(hdcDest, widthDest, heightDest); | |
| oldWork = SelectObject(hdcWork, bmpWork); | |
| if(!StretchBlt(hdcWork, 0, 0, widthDest, heightDest, hdcSrc, xSrc, ySrc, widthSrc, heightSrc, SRCCOPY)) { | |
| TRACE("Failed to stretch\n"); | |
| goto error; | |
| } | |
| SetBkColor(hdcWork, crTransparent); | |
| /* Create mask */ | |
| hdcMask = CreateCompatibleDC(hdcDest); | |
| bmpMask = CreateCompatibleBitmap(hdcMask, widthDest, heightDest); | |
| oldMask = SelectObject(hdcMask, bmpMask); | |
| if(!BitBlt(hdcMask, 0, 0, widthDest, heightDest, hdcWork, 0, 0, SRCCOPY)) { | |
| TRACE("Failed to create mask\n"); | |
| goto error; | |
| } | |
| /* Replace transparent color with black */ | |
| SetBkColor(hdcWork, RGB(0,0,0)); | |
| SetTextColor(hdcWork, RGB(255,255,255)); | |
| if(!BitBlt(hdcWork, 0, 0, widthDest, heightDest, hdcMask, 0, 0, SRCAND)) { | |
| TRACE("Failed to mask out background\n"); | |
| goto error; | |
| } | |
| /* Replace non-transparent area on destination with black */ | |
| if(!BitBlt(hdcDest, xDest, yDest, widthDest, heightDest, hdcMask, 0, 0, SRCAND)) { | |
| TRACE("Failed to clear destination area\n"); | |
| goto error; | |
| } | |
| /* Draw the image */ | |
| if(!BitBlt(hdcDest, xDest, yDest, widthDest, heightDest, hdcWork, 0, 0, SRCPAINT)) { | |
| TRACE("Failed to paint image\n"); | |
| goto error; | |
| } | |
| ret = TRUE; | |
| error: | |
| SetStretchBltMode(hdcSrc, oldStretchMode); | |
| SetBkColor(hdcDest, oldBackground); | |
| SetTextColor(hdcDest, oldForeground); | |
| if(hdcWork) { | |
| SelectObject(hdcWork, oldWork); | |
| DeleteDC(hdcWork); | |
| } | |
| if(bmpWork) DeleteObject(bmpWork); | |
| if(hdcMask) { | |
| SelectObject(hdcMask, oldMask); | |
| DeleteDC(hdcMask); | |
| } | |
| if(bmpMask) DeleteObject(bmpMask); | |
| return ret; | |
| } | |
| /****************************************************************************** | |
| * GdiAlphaBlend [GDI32.@] | |
| */ | |
| BOOL WINAPI GdiAlphaBlend(HDC hdcDst, int xDst, int yDst, int widthDst, int heightDst, | |
| HDC hdcSrc, int xSrc, int ySrc, int widthSrc, int heightSrc, | |
| BLENDFUNCTION blendFunction) | |
| { | |
| 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 op=%02x flags=%02x srcconstalpha=%02x alphafmt=%02x\n", | |
| hdcSrc, xSrc, ySrc, widthSrc, heightSrc, | |
| hdcDst, xDst, yDst, widthDst, heightDst, | |
| blendFunction.BlendOp, blendFunction.BlendFlags, | |
| blendFunction.SourceConstantAlpha, blendFunction.AlphaFormat); | |
| if (dcDst->funcs->pAlphaBlend) | |
| ret = dcDst->funcs->pAlphaBlend( dcDst->physDev, xDst, yDst, widthDst, heightDst, | |
| dcSrc ? dcSrc->physDev : NULL, | |
| xSrc, ySrc, widthSrc, heightSrc, blendFunction ); | |
| if (dcSrc) GDI_ReleaseObj( hdcSrc ); | |
| GDI_ReleaseObj( hdcDst ); | |
| } | |
| return ret; | |
| } | |
| /********************************************************************* | |
| * 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; | |
| } |