/* * X11DRV device-independent bitmaps * * 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 "config.h" #include #ifdef HAVE_LIBXXSHM #include # ifdef HAVE_SYS_SHM_H # include # endif # ifdef HAVE_SYS_IPC_H # include # endif #endif /* defined(HAVE_LIBXXSHM) */ #include #include #include #include "windef.h" #include "winbase.h" #include "gdi.h" #include "x11drv.h" #include "wine/debug.h" WINE_DEFAULT_DEBUG_CHANNEL(bitmap); WINE_DECLARE_DEBUG_CHANNEL(x11drv); static int ximageDepthTable[32]; /* This structure holds the arguments for DIB_SetImageBits() */ typedef struct { X11DRV_PDEVICE *physDev; LPCVOID bits; XImage *image; PALETTEENTRY *palentry; int lines; DWORD infoWidth; WORD depth; WORD infoBpp; WORD compression; RGBQUAD *colorMap; int nColorMap; Drawable drawable; GC gc; int xSrc; int ySrc; int xDest; int yDest; int width; int height; DWORD rMask; DWORD gMask; DWORD bMask; BOOL useShm; int dibpitch; DWORD sizeImage; } X11DRV_DIB_IMAGEBITS_DESCR; enum Rle_EscapeCodes { RLE_EOL = 0, /* End of line */ RLE_END = 1, /* End of bitmap */ RLE_DELTA = 2 /* Delta */ }; /*********************************************************************** * X11DRV_DIB_GetXImageWidthBytes * * Return the width of an X image in bytes */ inline static int X11DRV_DIB_GetXImageWidthBytes( int width, int depth ) { if (!depth || depth > 32) goto error; if (!ximageDepthTable[depth-1]) { XImage *testimage = XCreateImage( gdi_display, visual, depth, ZPixmap, 0, NULL, 1, 1, 32, 20 ); if (testimage) { ximageDepthTable[depth-1] = testimage->bits_per_pixel; XDestroyImage( testimage ); } else ximageDepthTable[depth-1] = -1; } if (ximageDepthTable[depth-1] != -1) return (4 * ((width * ximageDepthTable[depth-1] + 31) / 32)); error: WARN( "(%d): Unsupported depth\n", depth ); return 4 * width; } /*********************************************************************** * X11DRV_DIB_GetDIBWidthBytes * * Return the width of a DIB bitmap in bytes. DIB bitmap data is 32-bit aligned. */ static int X11DRV_DIB_GetDIBWidthBytes( int width, int depth ) { int words; switch(depth) { case 1: words = (width + 31) / 32; break; case 4: words = (width + 7) / 8; break; case 8: words = (width + 3) / 4; break; case 15: case 16: words = (width + 1) / 2; break; case 24: words = (width * 3 + 3) / 4; break; default: WARN("(%d): Unsupported depth\n", depth ); /* fall through */ case 32: words = width; } return 4 * words; } /*********************************************************************** * X11DRV_DIB_BitmapInfoSize * * Return the size of the bitmap info structure including color table. */ int X11DRV_DIB_BitmapInfoSize( const BITMAPINFO * info, WORD coloruse ) { int colors; if (info->bmiHeader.biSize == sizeof(BITMAPCOREHEADER)) { BITMAPCOREHEADER *core = (BITMAPCOREHEADER *)info; colors = (core->bcBitCount <= 8) ? 1 << core->bcBitCount : 0; return sizeof(BITMAPCOREHEADER) + colors * ((coloruse == DIB_RGB_COLORS) ? sizeof(RGBTRIPLE) : sizeof(WORD)); } else /* assume BITMAPINFOHEADER */ { colors = info->bmiHeader.biClrUsed; if (!colors && (info->bmiHeader.biBitCount <= 8)) colors = 1 << info->bmiHeader.biBitCount; return sizeof(BITMAPINFOHEADER) + colors * ((coloruse == DIB_RGB_COLORS) ? sizeof(RGBQUAD) : sizeof(WORD)); } } /*********************************************************************** * X11DRV_DIB_CreateXImage * * Create an X image. */ XImage *X11DRV_DIB_CreateXImage( int width, int height, int depth ) { int width_bytes; XImage *image; wine_tsx11_lock(); width_bytes = X11DRV_DIB_GetXImageWidthBytes( width, depth ); image = XCreateImage( gdi_display, visual, depth, ZPixmap, 0, calloc( height, width_bytes ), width, height, 32, width_bytes ); wine_tsx11_unlock(); return image; } /*********************************************************************** * DIB_GetBitmapInfo * * Get the info from a bitmap header. * Return 1 for INFOHEADER, 0 for COREHEADER, -1 for error. */ static int DIB_GetBitmapInfo( const BITMAPINFOHEADER *header, DWORD *width, int *height, WORD *bpp, WORD *compr ) { if (header->biSize == sizeof(BITMAPCOREHEADER)) { BITMAPCOREHEADER *core = (BITMAPCOREHEADER *)header; *width = core->bcWidth; *height = core->bcHeight; *bpp = core->bcBitCount; *compr = 0; return 0; } if (header->biSize >= sizeof(BITMAPINFOHEADER)) { *width = header->biWidth; *height = header->biHeight; *bpp = header->biBitCount; *compr = header->biCompression; return 1; } ERR("(%ld): unknown/wrong size for header\n", header->biSize ); return -1; } /*********************************************************************** * X11DRV_DIB_GenColorMap * * Fills the color map of a bitmap palette. Should not be called * for a >8-bit deep bitmap. */ int *X11DRV_DIB_GenColorMap( X11DRV_PDEVICE *physDev, int *colorMapping, WORD coloruse, WORD depth, BOOL quads, const void *colorPtr, int start, int end ) { int i; if (coloruse == DIB_RGB_COLORS) { int max = 1 << depth; if (end > max) end = max; if (quads) { RGBQUAD * rgb = (RGBQUAD *)colorPtr; if (depth == 1) /* Monochrome */ for (i = start; i < end; i++, rgb++) colorMapping[i] = (rgb->rgbRed + rgb->rgbGreen + rgb->rgbBlue > 255*3/2); else for (i = start; i < end; i++, rgb++) colorMapping[i] = X11DRV_PALETTE_ToPhysical( physDev, RGB(rgb->rgbRed, rgb->rgbGreen, rgb->rgbBlue)); } else { RGBTRIPLE * rgb = (RGBTRIPLE *)colorPtr; if (depth == 1) /* Monochrome */ for (i = start; i < end; i++, rgb++) colorMapping[i] = (rgb->rgbtRed + rgb->rgbtGreen + rgb->rgbtBlue > 255*3/2); else for (i = start; i < end; i++, rgb++) colorMapping[i] = X11DRV_PALETTE_ToPhysical( physDev, RGB(rgb->rgbtRed, rgb->rgbtGreen, rgb->rgbtBlue)); } } else /* DIB_PAL_COLORS */ { if (colorPtr) { WORD * index = (WORD *)colorPtr; for (i = start; i < end; i++, index++) colorMapping[i] = X11DRV_PALETTE_ToPhysical( physDev, PALETTEINDEX(*index) ); } else { for (i = start; i < end; i++) colorMapping[i] = X11DRV_PALETTE_ToPhysical( physDev, PALETTEINDEX(i) ); } } return colorMapping; } /*********************************************************************** * X11DRV_DIB_BuildColorMap * * Build the color map from the bitmap palette. Should not be called * for a >8-bit deep bitmap. */ int *X11DRV_DIB_BuildColorMap( X11DRV_PDEVICE *physDev, WORD coloruse, WORD depth, const BITMAPINFO *info, int *nColors ) { int colors; BOOL isInfo; const void *colorPtr; int *colorMapping; if ((isInfo = (info->bmiHeader.biSize == sizeof(BITMAPINFOHEADER)))) { colors = info->bmiHeader.biClrUsed; if (!colors) colors = 1 << info->bmiHeader.biBitCount; colorPtr = info->bmiColors; } else /* assume BITMAPCOREINFO */ { colors = 1 << ((BITMAPCOREHEADER *)&info->bmiHeader)->bcBitCount; colorPtr = (WORD *)((BITMAPCOREINFO *)info)->bmciColors; } if (colors > 256) { ERR("called with >256 colors!\n"); return NULL; } /* just so CopyDIBSection doesn't have to create an identity palette */ if (coloruse == (WORD)-1) colorPtr = NULL; if (!(colorMapping = (int *)HeapAlloc(GetProcessHeap(), 0, colors * sizeof(int) ))) return NULL; *nColors = colors; return X11DRV_DIB_GenColorMap( physDev, colorMapping, coloruse, depth, isInfo, colorPtr, 0, colors); } /*********************************************************************** * X11DRV_DIB_MapColor */ int X11DRV_DIB_MapColor( int *physMap, int nPhysMap, int phys, int oldcol ) { int color; if ((oldcol < nPhysMap) && (physMap[oldcol] == phys)) return oldcol; for (color = 0; color < nPhysMap; color++) if (physMap[color] == phys) return color; WARN("Strange color %08x\n", phys); return 0; } /********************************************************************* * X11DRV_DIB_GetNearestIndex * * Helper for X11DRV_DIB_GetDIBits. * Returns the nearest colour table index for a given RGB. * Nearest is defined by minimizing the sum of the squares. */ static INT X11DRV_DIB_GetNearestIndex(RGBQUAD *colormap, int numColors, BYTE r, BYTE g, BYTE b) { INT i, best = -1, diff, bestdiff = -1; RGBQUAD *color; for(color = colormap, i = 0; i < numColors; color++, i++) { diff = (r - color->rgbRed) * (r - color->rgbRed) + (g - color->rgbGreen) * (g - color->rgbGreen) + (b - color->rgbBlue) * (b - color->rgbBlue); if(diff == 0) return i; if(best == -1 || diff < bestdiff) { best = i; bestdiff = diff; } } return best; } /********************************************************************* * X11DRV_DIB_MaskToShift * * Helper for X11DRV_DIB_GetDIBits. * Returns the by how many bits to shift a given color so that it is * in the proper position. */ INT X11DRV_DIB_MaskToShift(DWORD mask) { int shift; if (mask==0) return 0; shift=0; while ((mask&1)==0) { mask>>=1; shift++; } return shift; } /*********************************************************************** * X11DRV_DIB_SetImageBits_1 * * SetDIBits for a 1-bit deep DIB. */ static void X11DRV_DIB_SetImageBits_1( int lines, const BYTE *srcbits, DWORD srcwidth, DWORD dstwidth, int left, int *colors, XImage *bmpImage, DWORD linebytes) { int h, width; const BYTE* srcbyte; BYTE srcval, extra; DWORD i, x; if (lines < 0 ) { lines = -lines; srcbits = srcbits + linebytes * (lines - 1); linebytes = -linebytes; } if ((extra = (left & 7)) != 0) { left &= ~7; dstwidth += extra; } srcbits += left >> 3; width = min(srcwidth, dstwidth); /* ==== pal 1 dib -> any bmp format ==== */ for (h = lines-1; h >=0; h--) { srcbyte=srcbits; /* FIXME: should avoid putting x 0; i--) { srcval=*srcbyte++; XPutPixel( bmpImage, x++, h, colors[ srcval >> 7] ); XPutPixel( bmpImage, x++, h, colors[(srcval >> 6) & 1] ); XPutPixel( bmpImage, x++, h, colors[(srcval >> 5) & 1] ); XPutPixel( bmpImage, x++, h, colors[(srcval >> 4) & 1] ); XPutPixel( bmpImage, x++, h, colors[(srcval >> 3) & 1] ); XPutPixel( bmpImage, x++, h, colors[(srcval >> 2) & 1] ); XPutPixel( bmpImage, x++, h, colors[(srcval >> 1) & 1] ); XPutPixel( bmpImage, x++, h, colors[ srcval & 1] ); } if (width % 8){ srcval=*srcbyte; switch (width & 7) { case 7: XPutPixel(bmpImage, x++, h, colors[srcval >> 7]); srcval<<=1; case 6: XPutPixel(bmpImage, x++, h, colors[srcval >> 7]); srcval<<=1; case 5: XPutPixel(bmpImage, x++, h, colors[srcval >> 7]); srcval<<=1; case 4: XPutPixel(bmpImage, x++, h, colors[srcval >> 7]); srcval<<=1; case 3: XPutPixel(bmpImage, x++, h, colors[srcval >> 7]); srcval<<=1; case 2: XPutPixel(bmpImage, x++, h, colors[srcval >> 7]); srcval<<=1; case 1: XPutPixel(bmpImage, x++, h, colors[srcval >> 7]); } } srcbits += linebytes; } } /*********************************************************************** * X11DRV_DIB_GetImageBits_1 * * GetDIBits for a 1-bit deep DIB. */ static void X11DRV_DIB_GetImageBits_1( int lines, BYTE *dstbits, DWORD dstwidth, DWORD srcwidth, RGBQUAD *colors, PALETTEENTRY *srccolors, XImage *bmpImage, DWORD linebytes ) { DWORD x; int h, width = min(dstwidth, srcwidth); if (lines < 0 ) { lines = -lines; dstbits = dstbits + linebytes * (lines - 1); linebytes = -linebytes; } switch (bmpImage->depth) { case 1: case 4: if (bmpImage->red_mask==0 && bmpImage->green_mask==0 && bmpImage->blue_mask==0 && srccolors) { /* ==== pal 1 or 4 bmp -> pal 1 dib ==== */ BYTE* dstbyte; for (h=lines-1; h>=0; h--) { BYTE dstval; dstbyte=dstbits; dstval=0; for (x=0; xred_mask==0 && bmpImage->green_mask==0 && bmpImage->blue_mask==0 && srccolors) { /* ==== pal 8 bmp -> pal 1 dib ==== */ const void* srcbits; const BYTE* srcpixel; BYTE* dstbyte; srcbits=bmpImage->data+(lines-1)*bmpImage->bytes_per_line; for (h=0; hbytes_per_line; dstbits += linebytes; } } else { goto notsupported; } break; case 15: case 16: { const void* srcbits; const WORD* srcpixel; BYTE* dstbyte; srcbits=bmpImage->data+(lines-1)*bmpImage->bytes_per_line; if (bmpImage->green_mask==0x03e0) { if (bmpImage->red_mask==0x7c00) { /* ==== rgb 555 bmp -> pal 1 dib ==== */ for (h=0; h> 7) & 0xf8) | /* r */ ((srcval >> 12) & 0x07), ((srcval >> 2) & 0xf8) | /* g */ ((srcval >> 7) & 0x07), ((srcval << 3) & 0xf8) | /* b */ ((srcval >> 2) & 0x07) ) << (7-(x&7)) ); if ((x&7)==7) { *dstbyte++=dstval; dstval=0; } } if ((width&7)!=0) { *dstbyte=dstval; } srcbits = (char*)srcbits - bmpImage->bytes_per_line; dstbits += linebytes; } } else if (bmpImage->blue_mask==0x7c00) { /* ==== bgr 555 bmp -> pal 1 dib ==== */ for (h=0; h> 2) & 0x07), ((srcval >> 2) & 0xf8) | /* g */ ((srcval >> 7) & 0x07), ((srcval >> 7) & 0xf8) | /* b */ ((srcval >> 12) & 0x07) ) << (7-(x&7)) ); if ((x&7)==7) { *dstbyte++=dstval; dstval=0; } } if ((width&7)!=0) { *dstbyte=dstval; } srcbits = (char*)srcbits - bmpImage->bytes_per_line; dstbits += linebytes; } } else { goto notsupported; } } else if (bmpImage->green_mask==0x07e0) { if (bmpImage->red_mask==0xf800) { /* ==== rgb 565 bmp -> pal 1 dib ==== */ for (h=0; h> 8) & 0xf8) | /* r */ ((srcval >> 13) & 0x07), ((srcval >> 3) & 0xfc) | /* g */ ((srcval >> 9) & 0x03), ((srcval << 3) & 0xf8) | /* b */ ((srcval >> 2) & 0x07) ) << (7-(x&7)) ); if ((x&7)==7) { *dstbyte++=dstval; dstval=0; } } if ((width&7)!=0) { *dstbyte=dstval; } srcbits = (char*)srcbits - bmpImage->bytes_per_line; dstbits += linebytes; } } else if (bmpImage->blue_mask==0xf800) { /* ==== bgr 565 bmp -> pal 1 dib ==== */ for (h=0; h> 2) & 0x07), ((srcval >> 3) & 0xfc) | /* g */ ((srcval >> 9) & 0x03), ((srcval >> 8) & 0xf8) | /* b */ ((srcval >> 13) & 0x07) ) << (7-(x&7)) ); if ((x&7)==7) { *dstbyte++=dstval; dstval=0; } } if ((width&7)!=0) { *dstbyte=dstval; } srcbits = (char*)srcbits - bmpImage->bytes_per_line; dstbits += linebytes; } } else { goto notsupported; } } else { goto notsupported; } } break; case 24: case 32: { const void* srcbits; const BYTE *srcbyte; BYTE* dstbyte; int bytes_per_pixel; srcbits=bmpImage->data+(lines-1)*bmpImage->bytes_per_line; bytes_per_pixel=(bmpImage->bits_per_pixel==24?3:4); if (bmpImage->green_mask!=0x00ff00 || (bmpImage->red_mask|bmpImage->blue_mask)!=0xff00ff) { goto notsupported; } else if (bmpImage->blue_mask==0xff) { /* ==== rgb 888 or 0888 bmp -> pal 1 dib ==== */ for (h=0; hbytes_per_line; dstbits += linebytes; } } else { /* ==== bgr 888 or 0888 bmp -> pal 1 dib ==== */ for (h=0; hbytes_per_line; dstbits += linebytes; } } } break; default: notsupported: { BYTE* dstbyte; unsigned long white = (1 << bmpImage->bits_per_pixel) - 1; /* ==== any bmp format -> pal 1 dib ==== */ WARN("from unknown %d bit bitmap (%lx,%lx,%lx) to 1 bit DIB\n", bmpImage->bits_per_pixel, bmpImage->red_mask, bmpImage->green_mask, bmpImage->blue_mask ); for (h=lines-1; h>=0; h--) { BYTE dstval; dstbyte=dstbits; dstval=0; for (x=0; x= white) << (7 - (x&7)); if ((x&7)==7) { *dstbyte++=dstval; dstval=0; } } if ((width&7)!=0) { *dstbyte=dstval; } dstbits += linebytes; } } break; } } /*********************************************************************** * X11DRV_DIB_SetImageBits_4 * * SetDIBits for a 4-bit deep DIB. */ static void X11DRV_DIB_SetImageBits_4( int lines, const BYTE *srcbits, DWORD srcwidth, DWORD dstwidth, int left, int *colors, XImage *bmpImage, DWORD linebytes) { int h, width; const BYTE* srcbyte; DWORD i, x; if (lines < 0 ) { lines = -lines; srcbits = srcbits + linebytes * (lines - 1); linebytes = -linebytes; } if (left & 1) { left--; dstwidth++; } srcbits += left >> 1; width = min(srcwidth, dstwidth); /* ==== pal 4 dib -> any bmp format ==== */ for (h = lines-1; h >= 0; h--) { srcbyte=srcbits; for (i = width/2, x = left; i > 0; i--) { BYTE srcval=*srcbyte++; XPutPixel( bmpImage, x++, h, colors[srcval >> 4] ); XPutPixel( bmpImage, x++, h, colors[srcval & 0x0f] ); } if (width & 1) XPutPixel( bmpImage, x, h, colors[*srcbyte >> 4] ); srcbits += linebytes; } } /*********************************************************************** * X11DRV_DIB_GetImageBits_4 * * GetDIBits for a 4-bit deep DIB. */ static void X11DRV_DIB_GetImageBits_4( int lines, BYTE *dstbits, DWORD srcwidth, DWORD dstwidth, RGBQUAD *colors, PALETTEENTRY *srccolors, XImage *bmpImage, DWORD linebytes ) { DWORD x; int h, width = min(srcwidth, dstwidth); BYTE *bits; if (lines < 0 ) { lines = -lines; dstbits = dstbits + ( linebytes * (lines-1) ); linebytes = -linebytes; } bits = dstbits; switch (bmpImage->depth) { case 1: case 4: if (bmpImage->red_mask==0 && bmpImage->green_mask==0 && bmpImage->blue_mask==0 && srccolors) { /* ==== pal 1 or 4 bmp -> pal 4 dib ==== */ BYTE* dstbyte; for (h = lines-1; h >= 0; h--) { BYTE dstval; dstbyte=dstbits; dstval=0; for (x = 0; x < width; x++) { PALETTEENTRY srcval; srcval=srccolors[XGetPixel(bmpImage, x, h)]; dstval|=(X11DRV_DIB_GetNearestIndex (colors, 16, srcval.peRed, srcval.peGreen, srcval.peBlue) << (4-((x&1)<<2))); if ((x&1)==1) { *dstbyte++=dstval; dstval=0; } } if ((width&1)!=0) { *dstbyte=dstval; } dstbits += linebytes; } } else { goto notsupported; } break; case 8: if (bmpImage->red_mask==0 && bmpImage->green_mask==0 && bmpImage->blue_mask==0 && srccolors) { /* ==== pal 8 bmp -> pal 4 dib ==== */ const void* srcbits; const BYTE *srcpixel; BYTE* dstbyte; srcbits=bmpImage->data+(lines-1)*bmpImage->bytes_per_line; for (h=0; hbytes_per_line; dstbits += linebytes; } } else { goto notsupported; } break; case 15: case 16: { const void* srcbits; const WORD* srcpixel; BYTE* dstbyte; srcbits=bmpImage->data+(lines-1)*bmpImage->bytes_per_line; if (bmpImage->green_mask==0x03e0) { if (bmpImage->red_mask==0x7c00) { /* ==== rgb 555 bmp -> pal 4 dib ==== */ for (h=0; h> 7) & 0xf8) | /* r */ ((srcval >> 12) & 0x07), ((srcval >> 2) & 0xf8) | /* g */ ((srcval >> 7) & 0x07), ((srcval << 3) & 0xf8) | /* b */ ((srcval >> 2) & 0x07) ) << ((1-(x&1))<<2) ); if ((x&1)==1) { *dstbyte++=dstval; dstval=0; } } if ((width&1)!=0) { *dstbyte=dstval; } srcbits = (char*)srcbits - bmpImage->bytes_per_line; dstbits += linebytes; } } else if (bmpImage->blue_mask==0x7c00) { /* ==== bgr 555 bmp -> pal 4 dib ==== */ for (h=0; h> 2) & 0x07), ((srcval >> 2) & 0xf8) | /* g */ ((srcval >> 7) & 0x07), ((srcval >> 7) & 0xf8) | /* b */ ((srcval >> 12) & 0x07) ) << ((1-(x&1))<<2) ); if ((x&1)==1) { *dstbyte++=dstval; dstval=0; } } if ((width&1)!=0) { *dstbyte=dstval; } srcbits = (char*)srcbits - bmpImage->bytes_per_line; dstbits += linebytes; } } else { goto notsupported; } } else if (bmpImage->green_mask==0x07e0) { if (bmpImage->red_mask==0xf800) { /* ==== rgb 565 bmp -> pal 4 dib ==== */ for (h=0; h> 8) & 0xf8) | /* r */ ((srcval >> 13) & 0x07), ((srcval >> 3) & 0xfc) | /* g */ ((srcval >> 9) & 0x03), ((srcval << 3) & 0xf8) | /* b */ ((srcval >> 2) & 0x07) ) << ((1-(x&1))<<2) ); if ((x&1)==1) { *dstbyte++=dstval; dstval=0; } } if ((width&1)!=0) { *dstbyte=dstval; } srcbits = (char*)srcbits - bmpImage->bytes_per_line; dstbits += linebytes; } } else if (bmpImage->blue_mask==0xf800) { /* ==== bgr 565 bmp -> pal 4 dib ==== */ for (h=0; h> 2) & 0x07), ((srcval >> 3) & 0xfc) | /* g */ ((srcval >> 9) & 0x03), ((srcval >> 8) & 0xf8) | /* b */ ((srcval >> 13) & 0x07) ) << ((1-(x&1))<<2) ); if ((x&1)==1) { *dstbyte++=dstval; dstval=0; } } if ((width&1)!=0) { *dstbyte=dstval; } srcbits = (char*)srcbits - bmpImage->bytes_per_line; dstbits += linebytes; } } else { goto notsupported; } } else { goto notsupported; } } break; case 24: if (bmpImage->bits_per_pixel==24) { const void* srcbits; const BYTE *srcbyte; BYTE* dstbyte; srcbits=bmpImage->data+(lines-1)*bmpImage->bytes_per_line; if (bmpImage->green_mask!=0x00ff00 || (bmpImage->red_mask|bmpImage->blue_mask)!=0xff00ff) { goto notsupported; } else if (bmpImage->blue_mask==0xff) { /* ==== rgb 888 bmp -> pal 4 dib ==== */ for (h=0; hbytes_per_line; dstbits += linebytes; } } else { /* ==== bgr 888 bmp -> pal 4 dib ==== */ for (h=0; hbytes_per_line; dstbits += linebytes; } } break; } /* Fall through */ case 32: { const void* srcbits; const BYTE *srcbyte; BYTE* dstbyte; srcbits=bmpImage->data+(lines-1)*bmpImage->bytes_per_line; if (bmpImage->green_mask!=0x00ff00 || (bmpImage->red_mask|bmpImage->blue_mask)!=0xff00ff) { goto notsupported; } else if (bmpImage->blue_mask==0xff) { /* ==== rgb 0888 bmp -> pal 4 dib ==== */ for (h=0; hbytes_per_line; dstbits += linebytes; } } else { /* ==== bgr 0888 bmp -> pal 4 dib ==== */ for (h=0; hbytes_per_line; dstbits += linebytes; } } } break; default: notsupported: { BYTE* dstbyte; /* ==== any bmp format -> pal 4 dib ==== */ WARN("from unknown %d bit bitmap (%lx,%lx,%lx) to 4 bit DIB\n", bmpImage->bits_per_pixel, bmpImage->red_mask, bmpImage->green_mask, bmpImage->blue_mask ); for (h=lines-1; h>=0; h--) { dstbyte=dstbits; for (x=0; x<(width & ~1); x+=2) { *dstbyte++=(X11DRV_DIB_MapColor((int*)colors, 16, XGetPixel(bmpImage, x, h), 0) << 4) | X11DRV_DIB_MapColor((int*)colors, 16, XGetPixel(bmpImage, x+1, h), 0); } if (width & 1) { *dstbyte=(X11DRV_DIB_MapColor((int *)colors, 16, XGetPixel(bmpImage, x, h), 0) << 4); } dstbits += linebytes; } } break; } } /*********************************************************************** * X11DRV_DIB_SetImageBits_RLE4 * * SetDIBits for a 4-bit deep compressed DIB. */ static void X11DRV_DIB_SetImageBits_RLE4( int lines, const BYTE *bits, DWORD srcwidth, DWORD dstwidth, int left, int *colors, XImage *bmpImage ) { unsigned int x = 0, width = min(srcwidth, dstwidth); int y = lines - 1, c, length; const BYTE *begin = bits; while (y >= 0) { length = *bits++; if (length) { /* encoded */ c = *bits++; while (length--) { if (x >= width) break; XPutPixel(bmpImage, x++, y, colors[c >> 4]); if (!length--) break; if (x >= width) break; XPutPixel(bmpImage, x++, y, colors[c & 0xf]); } } else { length = *bits++; switch (length) { case RLE_EOL: x = 0; y--; break; case RLE_END: return; case RLE_DELTA: x += *bits++; y -= *bits++; break; default: /* absolute */ while (length--) { c = *bits++; if (x < width) XPutPixel(bmpImage, x++, y, colors[c >> 4]); if (!length--) break; if (x < width) XPutPixel(bmpImage, x++, y, colors[c & 0xf]); } if ((bits - begin) & 1) bits++; } } } } /*********************************************************************** * X11DRV_DIB_SetImageBits_8 * * SetDIBits for an 8-bit deep DIB. */ static void X11DRV_DIB_SetImageBits_8( int lines, const BYTE *srcbits, DWORD srcwidth, DWORD dstwidth, int left, const int *colors, XImage *bmpImage, DWORD linebytes ) { DWORD x; int h, width = min(srcwidth, dstwidth); const BYTE* srcbyte; BYTE* dstbits; if (lines < 0 ) { lines = -lines; srcbits = srcbits + linebytes * (lines-1); linebytes = -linebytes; } srcbits += left; srcbyte = srcbits; switch (bmpImage->depth) { case 15: case 16: #if defined(__i386__) && defined(__GNUC__) /* Some X servers might have 32 bit/ 16bit deep pixel */ if (lines && width && (bmpImage->bits_per_pixel == 16) && (ImageByteOrder(gdi_display)==LSBFirst) ) { dstbits=bmpImage->data+left*2+(lines-1)*bmpImage->bytes_per_line; /* FIXME: Does this really handle all these cases correctly? */ /* ==== pal 8 dib -> rgb or bgr 555 or 565 bmp ==== */ for (h = lines ; h--; ) { int _cl1,_cl2; /* temp outputs for asm below */ /* Borrowed from DirectDraw */ __asm__ __volatile__( "xor %%eax,%%eax\n" "cld\n" "1:\n" " lodsb\n" " movw (%%edx,%%eax,4),%%ax\n" " stosw\n" " xor %%eax,%%eax\n" " loop 1b\n" :"=S" (srcbyte), "=D" (_cl1), "=c" (_cl2) :"S" (srcbyte), "D" (dstbits), "c" (width), "d" (colors) :"eax", "cc", "memory" ); srcbyte = (srcbits += linebytes); dstbits -= bmpImage->bytes_per_line; } return; } break; #endif case 24: case 32: #if defined(__i386__) && defined(__GNUC__) if (lines && width && (bmpImage->bits_per_pixel == 32) && (ImageByteOrder(gdi_display)==LSBFirst) ) { dstbits=bmpImage->data+left*4+(lines-1)*bmpImage->bytes_per_line; /* FIXME: Does this really handle both cases correctly? */ /* ==== pal 8 dib -> rgb or bgr 0888 bmp ==== */ for (h = lines ; h--; ) { int _cl1,_cl2; /* temp outputs for asm below */ /* Borrowed from DirectDraw */ __asm__ __volatile__( "xor %%eax,%%eax\n" "cld\n" "1:\n" " lodsb\n" " movl (%%edx,%%eax,4),%%eax\n" " stosl\n" " xor %%eax,%%eax\n" " loop 1b\n" :"=S" (srcbyte), "=D" (_cl1), "=c" (_cl2) :"S" (srcbyte), "D" (dstbits), "c" (width), "d" (colors) :"eax", "cc", "memory" ); srcbyte = (srcbits += linebytes); dstbits -= bmpImage->bytes_per_line; } return; } break; #endif default: break; /* use slow generic case below */ } /* ==== pal 8 dib -> any bmp format ==== */ for (h=lines-1; h>=0; h--) { for (x=left; xdepth) { case 1: case 4: if (bmpImage->red_mask==0 && bmpImage->green_mask==0 && bmpImage->blue_mask==0 && srccolors) { /* ==== pal 1 bmp -> pal 8 dib ==== */ /* ==== pal 4 bmp -> pal 8 dib ==== */ for (h=lines-1; h>=0; h--) { dstbyte=dstbits; for (x=0; xred_mask==0 && bmpImage->green_mask==0 && bmpImage->blue_mask==0 && srccolors) { /* ==== pal 8 bmp -> pal 8 dib ==== */ const void* srcbits; const BYTE* srcpixel; srcbits=bmpImage->data+(lines-1)*bmpImage->bytes_per_line; for (h=0; hbytes_per_line; dstbits += linebytes; } } else { goto notsupported; } break; case 15: case 16: { const void* srcbits; const WORD* srcpixel; BYTE* dstbyte; srcbits=bmpImage->data+(lines-1)*bmpImage->bytes_per_line; if (bmpImage->green_mask==0x03e0) { if (bmpImage->red_mask==0x7c00) { /* ==== rgb 555 bmp -> pal 8 dib ==== */ for (h=0; h> 7) & 0xf8) | /* r */ ((srcval >> 12) & 0x07), ((srcval >> 2) & 0xf8) | /* g */ ((srcval >> 7) & 0x07), ((srcval << 3) & 0xf8) | /* b */ ((srcval >> 2) & 0x07) ); } srcbits = (char*)srcbits - bmpImage->bytes_per_line; dstbits += linebytes; } } else if (bmpImage->blue_mask==0x7c00) { /* ==== bgr 555 bmp -> pal 8 dib ==== */ for (h=0; h> 2) & 0x07), ((srcval >> 2) & 0xf8) | /* g */ ((srcval >> 7) & 0x07), ((srcval >> 7) & 0xf8) | /* b */ ((srcval >> 12) & 0x07) ); } srcbits = (char*)srcbits - bmpImage->bytes_per_line; dstbits += linebytes; } } else { goto notsupported; } } else if (bmpImage->green_mask==0x07e0) { if (bmpImage->red_mask==0xf800) { /* ==== rgb 565 bmp -> pal 8 dib ==== */ for (h=0; h> 8) & 0xf8) | /* r */ ((srcval >> 13) & 0x07), ((srcval >> 3) & 0xfc) | /* g */ ((srcval >> 9) & 0x03), ((srcval << 3) & 0xf8) | /* b */ ((srcval >> 2) & 0x07) ); } srcbits = (char*)srcbits - bmpImage->bytes_per_line; dstbits += linebytes; } } else if (bmpImage->blue_mask==0xf800) { /* ==== bgr 565 bmp -> pal 8 dib ==== */ for (h=0; h> 2) & 0x07), ((srcval >> 3) & 0xfc) | /* g */ ((srcval >> 9) & 0x03), ((srcval >> 8) & 0xf8) | /* b */ ((srcval >> 13) & 0x07) ); } srcbits = (char*)srcbits - bmpImage->bytes_per_line; dstbits += linebytes; } } else { goto notsupported; } } else { goto notsupported; } } break; case 24: case 32: { const void* srcbits; const BYTE *srcbyte; BYTE* dstbyte; int bytes_per_pixel; srcbits=bmpImage->data+(lines-1)*bmpImage->bytes_per_line; bytes_per_pixel=(bmpImage->bits_per_pixel==24?3:4); if (bmpImage->green_mask!=0x00ff00 || (bmpImage->red_mask|bmpImage->blue_mask)!=0xff00ff) { goto notsupported; } else if (bmpImage->blue_mask==0xff) { /* ==== rgb 888 or 0888 bmp -> pal 8 dib ==== */ for (h=0; hbytes_per_line; dstbits += linebytes; } } else { /* ==== bgr 888 or 0888 bmp -> pal 8 dib ==== */ for (h=0; hbytes_per_line; dstbits += linebytes; } } } break; default: notsupported: WARN("from unknown %d bit bitmap (%lx,%lx,%lx) to 8 bit DIB\n", bmpImage->depth, bmpImage->red_mask, bmpImage->green_mask, bmpImage->blue_mask ); updatesection: /* ==== any bmp format -> pal 8 dib ==== */ for (h=lines-1; h>=0; h--) { dstbyte=dstbits; for (x=0; x * [JAY] */ static void X11DRV_DIB_SetImageBits_RLE8( int lines, const BYTE *bits, DWORD srcwidth, DWORD dstwidth, int left, int *colors, XImage *bmpImage ) { unsigned int x; /* X-position on each line. Increases. */ int y; /* Line #. Starts at lines-1, decreases */ const BYTE *pIn = bits; /* Pointer to current position in bits */ BYTE length; /* The length pf a run */ BYTE escape_code; /* See enum Rle8_EscapeCodes.*/ /* * Note that the bitmap data is stored by Windows starting at the * bottom line of the bitmap and going upwards. Within each line, * the data is stored left-to-right. That's the reason why line * goes from lines-1 to 0. [JAY] */ x = 0; y = lines - 1; while (y >= 0) { length = *pIn++; /* * If the length byte is not zero (which is the escape value), * We have a run of length pixels all the same colour. The colour * index is stored next. * * If the length byte is zero, we need to read the next byte to * know what to do. [JAY] */ if (length != 0) { /* * [Run-Length] Encoded mode */ int color = colors[*pIn++]; while (length-- && x < dstwidth) XPutPixel(bmpImage, x++, y, color); } else { /* * Escape codes (may be an absolute sequence though) */ escape_code = (*pIn++); switch(escape_code) { case RLE_EOL: x = 0; y--; break; case RLE_END: /* Not all RLE8 bitmaps end with this code. For * example, Paint Shop Pro produces some that don't. * That's (I think) what caused the previous * implementation to fail. [JAY] */ return; case RLE_DELTA: x += (*pIn++); y -= (*pIn++); break; default: /* switch to absolute mode */ length = escape_code; while (length--) { int color = colors[*pIn++]; if (x >= dstwidth) { pIn += length; break; } XPutPixel(bmpImage, x++, y, color); } /* * If you think for a moment you'll realise that the * only time we could ever possibly read an odd * number of bytes is when there is a 0x00 (escape), * a value >0x02 (absolute mode) and then an odd- * length run. Therefore this is the only place we * need to worry about it. Everywhere else the * bytes are always read in pairs. [JAY] */ if (escape_code & 1) pIn++; /* Throw away the pad byte. */ break; } /* switch (escape_code) : Escape sequence */ } } } /*********************************************************************** * X11DRV_DIB_SetImageBits_16 * * SetDIBits for a 16-bit deep DIB. */ static void X11DRV_DIB_SetImageBits_16( int lines, const BYTE *srcbits, DWORD srcwidth, DWORD dstwidth, int left, X11DRV_PDEVICE *physDev, DWORD rSrc, DWORD gSrc, DWORD bSrc, XImage *bmpImage, DWORD linebytes ) { DWORD x; int h, width = min(srcwidth, dstwidth); const dib_conversions *convs = (bmpImage->byte_order == LSBFirst) ? &dib_normal : &dib_dst_byteswap; if (lines < 0 ) { lines = -lines; srcbits = srcbits + ( linebytes * (lines-1)); linebytes = -linebytes; } switch (bmpImage->depth) { case 15: case 16: { char* dstbits; srcbits=srcbits+left*2; dstbits=bmpImage->data+left*2+(lines-1)*bmpImage->bytes_per_line; if (bmpImage->green_mask==0x03e0) { if (gSrc==bmpImage->green_mask) { if (rSrc==bmpImage->red_mask) { /* ==== rgb 555 dib -> rgb 555 bmp ==== */ /* ==== bgr 555 dib -> bgr 555 bmp ==== */ convs->Convert_5x5_asis (width,lines, srcbits,linebytes, dstbits,-bmpImage->bytes_per_line); } else if (rSrc==bmpImage->blue_mask) { /* ==== rgb 555 dib -> bgr 555 bmp ==== */ /* ==== bgr 555 dib -> rgb 555 bmp ==== */ convs->Convert_555_reverse (width,lines, srcbits,linebytes, dstbits,-bmpImage->bytes_per_line); } } else { if (rSrc==bmpImage->red_mask || bSrc==bmpImage->blue_mask) { /* ==== rgb 565 dib -> rgb 555 bmp ==== */ /* ==== bgr 565 dib -> bgr 555 bmp ==== */ convs->Convert_565_to_555_asis (width,lines, srcbits,linebytes, dstbits,-bmpImage->bytes_per_line); } else { /* ==== rgb 565 dib -> bgr 555 bmp ==== */ /* ==== bgr 565 dib -> rgb 555 bmp ==== */ convs->Convert_565_to_555_reverse (width,lines, srcbits,linebytes, dstbits,-bmpImage->bytes_per_line); } } } else if (bmpImage->green_mask==0x07e0) { if (gSrc==bmpImage->green_mask) { if (rSrc==bmpImage->red_mask) { /* ==== rgb 565 dib -> rgb 565 bmp ==== */ /* ==== bgr 565 dib -> bgr 565 bmp ==== */ convs->Convert_5x5_asis (width,lines, srcbits,linebytes, dstbits,-bmpImage->bytes_per_line); } else { /* ==== rgb 565 dib -> bgr 565 bmp ==== */ /* ==== bgr 565 dib -> rgb 565 bmp ==== */ convs->Convert_565_reverse (width,lines, srcbits,linebytes, dstbits,-bmpImage->bytes_per_line); } } else { if (rSrc==bmpImage->red_mask || bSrc==bmpImage->blue_mask) { /* ==== rgb 555 dib -> rgb 565 bmp ==== */ /* ==== bgr 555 dib -> bgr 565 bmp ==== */ convs->Convert_555_to_565_asis (width,lines, srcbits,linebytes, dstbits,-bmpImage->bytes_per_line); } else { /* ==== rgb 555 dib -> bgr 565 bmp ==== */ /* ==== bgr 555 dib -> rgb 565 bmp ==== */ convs->Convert_555_to_565_reverse (width,lines, srcbits,linebytes, dstbits,-bmpImage->bytes_per_line); } } } else { goto notsupported; } } break; case 24: if (bmpImage->bits_per_pixel==24) { char* dstbits; srcbits=srcbits+left*2; dstbits=bmpImage->data+left*3+(lines-1)*bmpImage->bytes_per_line; if (bmpImage->green_mask!=0x00ff00 || (bmpImage->red_mask|bmpImage->blue_mask)!=0xff00ff) { goto notsupported; } else if ((rSrc==0x1f && bmpImage->red_mask==0xff) || (bSrc==0x1f && bmpImage->blue_mask==0xff)) { if (gSrc==0x03e0) { /* ==== rgb 555 dib -> rgb 888 bmp ==== */ /* ==== bgr 555 dib -> bgr 888 bmp ==== */ convs->Convert_555_to_888_asis (width,lines, srcbits,linebytes, dstbits,-bmpImage->bytes_per_line); } else { /* ==== rgb 565 dib -> rgb 888 bmp ==== */ /* ==== bgr 565 dib -> bgr 888 bmp ==== */ convs->Convert_565_to_888_asis (width,lines, srcbits,linebytes, dstbits,-bmpImage->bytes_per_line); } } else { if (gSrc==0x03e0) { /* ==== rgb 555 dib -> bgr 888 bmp ==== */ /* ==== bgr 555 dib -> rgb 888 bmp ==== */ convs->Convert_555_to_888_reverse (width,lines, srcbits,linebytes, dstbits,-bmpImage->bytes_per_line); } else { /* ==== rgb 565 dib -> bgr 888 bmp ==== */ /* ==== bgr 565 dib -> rgb 888 bmp ==== */ convs->Convert_565_to_888_reverse (width,lines, srcbits,linebytes, dstbits,-bmpImage->bytes_per_line); } } break; } /* Fall through */ case 32: { char* dstbits; srcbits=srcbits+left*2; dstbits=bmpImage->data+left*4+(lines-1)*bmpImage->bytes_per_line; if (bmpImage->green_mask!=0x00ff00 || (bmpImage->red_mask|bmpImage->blue_mask)!=0xff00ff) { goto notsupported; } else if ((rSrc==0x1f && bmpImage->red_mask==0xff) || (bSrc==0x1f && bmpImage->blue_mask==0xff)) { if (gSrc==0x03e0) { /* ==== rgb 555 dib -> rgb 0888 bmp ==== */ /* ==== bgr 555 dib -> bgr 0888 bmp ==== */ convs->Convert_555_to_0888_asis (width,lines, srcbits,linebytes, dstbits,-bmpImage->bytes_per_line); } else { /* ==== rgb 565 dib -> rgb 0888 bmp ==== */ /* ==== bgr 565 dib -> bgr 0888 bmp ==== */ convs->Convert_565_to_0888_asis (width,lines, srcbits,linebytes, dstbits,-bmpImage->bytes_per_line); } } else { if (gSrc==0x03e0) { /* ==== rgb 555 dib -> bgr 0888 bmp ==== */ /* ==== bgr 555 dib -> rgb 0888 bmp ==== */ convs->Convert_555_to_0888_reverse (width,lines, srcbits,linebytes, dstbits,-bmpImage->bytes_per_line); } else { /* ==== rgb 565 dib -> bgr 0888 bmp ==== */ /* ==== bgr 565 dib -> rgb 0888 bmp ==== */ convs->Convert_565_to_0888_reverse (width,lines, srcbits,linebytes, dstbits,-bmpImage->bytes_per_line); } } } break; default: notsupported: WARN("from 16 bit DIB (%lx,%lx,%lx) to unknown %d bit bitmap (%lx,%lx,%lx)\n", rSrc, gSrc, bSrc, bmpImage->bits_per_pixel, bmpImage->red_mask, bmpImage->green_mask, bmpImage->blue_mask ); /* fall through */ case 1: case 4: case 8: { /* ==== rgb or bgr 555 or 565 dib -> pal 1, 4 or 8 ==== */ const WORD* srcpixel; int rShift1,gShift1,bShift1; int rShift2,gShift2,bShift2; BYTE gMask1,gMask2; /* Set color scaling values */ rShift1=16+X11DRV_DIB_MaskToShift(rSrc)-3; gShift1=16+X11DRV_DIB_MaskToShift(gSrc)-3; bShift1=16+X11DRV_DIB_MaskToShift(bSrc)-3; rShift2=rShift1+5; gShift2=gShift1+5; bShift2=bShift1+5; if (gSrc==0x03e0) { /* Green has 5 bits, like the others */ gMask1=0xf8; gMask2=0x07; } else { /* Green has 6 bits, not 5. Compensate. */ gShift1++; gShift2+=2; gMask1=0xfc; gMask2=0x03; } srcbits+=2*left; /* We could split it into four separate cases to optimize * but it is probably not worth it. */ for (h=lines-1; h>=0; h--) { srcpixel=(const WORD*)srcbits; for (x=left; x> rShift1) & 0xf8) | ((srcval >> rShift2) & 0x07); green=((srcval >> gShift1) & gMask1) | ((srcval >> gShift2) & gMask2); blue= ((srcval >> bShift1) & 0xf8) | ((srcval >> bShift2) & 0x07); XPutPixel(bmpImage, x, h, X11DRV_PALETTE_ToPhysical (physDev, RGB(red,green,blue))); } srcbits += linebytes; } } break; } } /*********************************************************************** * X11DRV_DIB_GetImageBits_16 * * GetDIBits for an 16-bit deep DIB. */ static void X11DRV_DIB_GetImageBits_16( int lines, BYTE *dstbits, DWORD dstwidth, DWORD srcwidth, PALETTEENTRY *srccolors, DWORD rDst, DWORD gDst, DWORD bDst, XImage *bmpImage, DWORD dibpitch ) { DWORD x; int h, width = min(srcwidth, dstwidth); const dib_conversions *convs = (bmpImage->byte_order == LSBFirst) ? &dib_normal : &dib_src_byteswap; DWORD linebytes = dibpitch; if (lines < 0 ) { lines = -lines; dstbits = dstbits + ( linebytes * (lines-1)); linebytes = -linebytes; } switch (bmpImage->depth) { case 15: case 16: { const char* srcbits; srcbits=bmpImage->data+(lines-1)*bmpImage->bytes_per_line; if (bmpImage->green_mask==0x03e0) { if (gDst==bmpImage->green_mask) { if (rDst==bmpImage->red_mask) { /* ==== rgb 555 bmp -> rgb 555 dib ==== */ /* ==== bgr 555 bmp -> bgr 555 dib ==== */ convs->Convert_5x5_asis (width,lines, srcbits,-bmpImage->bytes_per_line, dstbits,linebytes); } else { /* ==== rgb 555 bmp -> bgr 555 dib ==== */ /* ==== bgr 555 bmp -> rgb 555 dib ==== */ convs->Convert_555_reverse (width,lines, srcbits,-bmpImage->bytes_per_line, dstbits,linebytes); } } else { if (rDst==bmpImage->red_mask || bDst==bmpImage->blue_mask) { /* ==== rgb 555 bmp -> rgb 565 dib ==== */ /* ==== bgr 555 bmp -> bgr 565 dib ==== */ convs->Convert_555_to_565_asis (width,lines, srcbits,-bmpImage->bytes_per_line, dstbits,linebytes); } else { /* ==== rgb 555 bmp -> bgr 565 dib ==== */ /* ==== bgr 555 bmp -> rgb 565 dib ==== */ convs->Convert_555_to_565_reverse (width,lines, srcbits,-bmpImage->bytes_per_line, dstbits,linebytes); } } } else if (bmpImage->green_mask==0x07e0) { if (gDst==bmpImage->green_mask) { if (rDst == bmpImage->red_mask) { /* ==== rgb 565 bmp -> rgb 565 dib ==== */ /* ==== bgr 565 bmp -> bgr 565 dib ==== */ convs->Convert_5x5_asis (width,lines, srcbits,-bmpImage->bytes_per_line, dstbits,linebytes); } else { /* ==== rgb 565 bmp -> bgr 565 dib ==== */ /* ==== bgr 565 bmp -> rgb 565 dib ==== */ convs->Convert_565_reverse (width,lines, srcbits,-bmpImage->bytes_per_line, dstbits,linebytes); } } else { if (rDst==bmpImage->red_mask || bDst==bmpImage->blue_mask) { /* ==== rgb 565 bmp -> rgb 555 dib ==== */ /* ==== bgr 565 bmp -> bgr 555 dib ==== */ convs->Convert_565_to_555_asis (width,lines, srcbits,-bmpImage->bytes_per_line, dstbits,linebytes); } else { /* ==== rgb 565 bmp -> bgr 555 dib ==== */ /* ==== bgr 565 bmp -> rgb 555 dib ==== */ convs->Convert_565_to_555_reverse (width,lines, srcbits,-bmpImage->bytes_per_line, dstbits,linebytes); } } } else { goto notsupported; } } break; case 24: if (bmpImage->bits_per_pixel == 24) { const char* srcbits; srcbits=bmpImage->data+(lines-1)*bmpImage->bytes_per_line; if (bmpImage->green_mask!=0x00ff00 || (bmpImage->red_mask|bmpImage->blue_mask)!=0xff00ff) { goto notsupported; } else if ((rDst==0x1f && bmpImage->red_mask==0xff) || (bDst==0x1f && bmpImage->blue_mask==0xff)) { if (gDst==0x03e0) { /* ==== rgb 888 bmp -> rgb 555 dib ==== */ /* ==== bgr 888 bmp -> bgr 555 dib ==== */ convs->Convert_888_to_555_asis (width,lines, srcbits,-bmpImage->bytes_per_line, dstbits,linebytes); } else { /* ==== rgb 888 bmp -> rgb 565 dib ==== */ /* ==== rgb 888 bmp -> rgb 565 dib ==== */ convs->Convert_888_to_565_asis (width,lines, srcbits,-bmpImage->bytes_per_line, dstbits,linebytes); } } else { if (gDst==0x03e0) { /* ==== rgb 888 bmp -> bgr 555 dib ==== */ /* ==== bgr 888 bmp -> rgb 555 dib ==== */ convs->Convert_888_to_555_reverse (width,lines, srcbits,-bmpImage->bytes_per_line, dstbits,linebytes); } else { /* ==== rgb 888 bmp -> bgr 565 dib ==== */ /* ==== bgr 888 bmp -> rgb 565 dib ==== */ convs->Convert_888_to_565_reverse (width,lines, srcbits,-bmpImage->bytes_per_line, dstbits,linebytes); } } break; } /* Fall through */ case 32: { const char* srcbits; srcbits=bmpImage->data+(lines-1)*bmpImage->bytes_per_line; if (bmpImage->green_mask!=0x00ff00 || (bmpImage->red_mask|bmpImage->blue_mask)!=0xff00ff) { goto notsupported; } else if ((rDst==0x1f && bmpImage->red_mask==0xff) || (bDst==0x1f && bmpImage->blue_mask==0xff)) { if (gDst==0x03e0) { /* ==== rgb 0888 bmp -> rgb 555 dib ==== */ /* ==== bgr 0888 bmp -> bgr 555 dib ==== */ convs->Convert_0888_to_555_asis (width,lines, srcbits,-bmpImage->bytes_per_line, dstbits,linebytes); } else { /* ==== rgb 0888 bmp -> rgb 565 dib ==== */ /* ==== bgr 0888 bmp -> bgr 565 dib ==== */ convs->Convert_0888_to_565_asis (width,lines, srcbits,-bmpImage->bytes_per_line, dstbits,linebytes); } } else { if (gDst==0x03e0) { /* ==== rgb 0888 bmp -> bgr 555 dib ==== */ /* ==== bgr 0888 bmp -> rgb 555 dib ==== */ convs->Convert_0888_to_555_reverse (width,lines, srcbits,-bmpImage->bytes_per_line, dstbits,linebytes); } else { /* ==== rgb 0888 bmp -> bgr 565 dib ==== */ /* ==== bgr 0888 bmp -> rgb 565 dib ==== */ convs->Convert_0888_to_565_reverse (width,lines, srcbits,-bmpImage->bytes_per_line, dstbits,linebytes); } } } break; case 1: case 4: if (bmpImage->red_mask==0 && bmpImage->green_mask==0 && bmpImage->blue_mask==0 && srccolors) { /* ==== pal 1 or 4 bmp -> rgb or bgr 555 or 565 dib ==== */ int rShift,gShift,bShift; WORD* dstpixel; /* Shift everything 16 bits left so that all shifts are >0, * even for BGR DIBs. Then a single >> 16 will bring everything * back into place. */ rShift=16+X11DRV_DIB_MaskToShift(rDst)-3; gShift=16+X11DRV_DIB_MaskToShift(gDst)-3; bShift=16+X11DRV_DIB_MaskToShift(bDst)-3; if (gDst==0x07e0) { /* 6 bits for the green */ gShift++; } rDst=rDst << 16; gDst=gDst << 16; bDst=bDst << 16; for (h = lines - 1; h >= 0; h--) { dstpixel=(LPWORD)dstbits; for (x = 0; x < width; x++) { PALETTEENTRY srcval; DWORD dstval; srcval=srccolors[XGetPixel(bmpImage, x, h)]; dstval=((srcval.peRed << rShift) & rDst) | ((srcval.peGreen << gShift) & gDst) | ((srcval.peBlue << bShift) & bDst); *dstpixel++=dstval >> 16; } dstbits += linebytes; } } else { goto notsupported; } break; case 8: if (bmpImage->red_mask==0 && bmpImage->green_mask==0 && bmpImage->blue_mask==0 && srccolors) { /* ==== pal 8 bmp -> rgb or bgr 555 or 565 dib ==== */ int rShift,gShift,bShift; const BYTE* srcbits; const BYTE* srcpixel; WORD* dstpixel; /* Shift everything 16 bits left so that all shifts are >0, * even for BGR DIBs. Then a single >> 16 will bring everything * back into place. */ rShift=16+X11DRV_DIB_MaskToShift(rDst)-3; gShift=16+X11DRV_DIB_MaskToShift(gDst)-3; bShift=16+X11DRV_DIB_MaskToShift(bDst)-3; if (gDst==0x07e0) { /* 6 bits for the green */ gShift++; } rDst=rDst << 16; gDst=gDst << 16; bDst=bDst << 16; srcbits=bmpImage->data+(lines-1)*bmpImage->bytes_per_line; for (h=0; h> 16; } srcbits -= bmpImage->bytes_per_line; dstbits += linebytes; } } else { goto notsupported; } break; default: notsupported: { /* ==== any bmp format -> rgb or bgr 555 or 565 dib ==== */ int rShift,gShift,bShift; WORD* dstpixel; WARN("from unknown %d bit bitmap (%lx,%lx,%lx) to 16 bit DIB (%lx,%lx,%lx)\n", bmpImage->depth, bmpImage->red_mask, bmpImage->green_mask, bmpImage->blue_mask, rDst, gDst, bDst); /* Shift everything 16 bits left so that all shifts are >0, * even for BGR DIBs. Then a single >> 16 will bring everything * back into place. */ rShift=16+X11DRV_DIB_MaskToShift(rDst)-3; gShift=16+X11DRV_DIB_MaskToShift(gDst)-3; bShift=16+X11DRV_DIB_MaskToShift(bDst)-3; if (gDst==0x07e0) { /* 6 bits for the green */ gShift++; } rDst=rDst << 16; gDst=gDst << 16; bDst=bDst << 16; for (h = lines - 1; h >= 0; h--) { dstpixel=(LPWORD)dstbits; for (x = 0; x < width; x++) { COLORREF srcval; DWORD dstval; srcval=X11DRV_PALETTE_ToLogical(XGetPixel(bmpImage, x, h)); dstval=((GetRValue(srcval) << rShift) & rDst) | ((GetGValue(srcval) << gShift) & gDst) | ((GetBValue(srcval) << bShift) & bDst); *dstpixel++=dstval >> 16; } dstbits += linebytes; } } break; } } /*********************************************************************** * X11DRV_DIB_SetImageBits_24 * * SetDIBits for a 24-bit deep DIB. */ static void X11DRV_DIB_SetImageBits_24( int lines, const BYTE *srcbits, DWORD srcwidth, DWORD dstwidth, int left, X11DRV_PDEVICE *physDev, DWORD rSrc, DWORD gSrc, DWORD bSrc, XImage *bmpImage, DWORD linebytes ) { DWORD x; int h, width = min(srcwidth, dstwidth); const dib_conversions *convs = (bmpImage->byte_order == LSBFirst) ? &dib_normal : &dib_dst_byteswap; if (lines < 0 ) { lines = -lines; srcbits = srcbits + linebytes * (lines - 1); linebytes = -linebytes; } switch (bmpImage->depth) { case 24: if (bmpImage->bits_per_pixel==24) { char* dstbits; srcbits=srcbits+left*3; dstbits=bmpImage->data+left*3+(lines-1)*bmpImage->bytes_per_line; if (bmpImage->green_mask!=0x00ff00 || (bmpImage->red_mask|bmpImage->blue_mask)!=0xff00ff) { goto notsupported; } else if (rSrc==bmpImage->red_mask) { /* ==== rgb 888 dib -> rgb 888 bmp ==== */ /* ==== bgr 888 dib -> bgr 888 bmp ==== */ convs->Convert_888_asis (width,lines, srcbits,linebytes, dstbits,-bmpImage->bytes_per_line); } else { /* ==== rgb 888 dib -> bgr 888 bmp ==== */ /* ==== bgr 888 dib -> rgb 888 bmp ==== */ convs->Convert_888_reverse (width,lines, srcbits,linebytes, dstbits,-bmpImage->bytes_per_line); } break; } /* fall through */ case 32: { char* dstbits; srcbits=srcbits+left*3; dstbits=bmpImage->data+left*4+(lines-1)*bmpImage->bytes_per_line; if (bmpImage->green_mask!=0x00ff00 || (bmpImage->red_mask|bmpImage->blue_mask)!=0xff00ff) { goto notsupported; } else if (rSrc==bmpImage->red_mask) { /* ==== rgb 888 dib -> rgb 0888 bmp ==== */ /* ==== bgr 888 dib -> bgr 0888 bmp ==== */ convs->Convert_888_to_0888_asis (width,lines, srcbits,linebytes, dstbits,-bmpImage->bytes_per_line); } else { /* ==== rgb 888 dib -> bgr 0888 bmp ==== */ /* ==== bgr 888 dib -> rgb 0888 bmp ==== */ convs->Convert_888_to_0888_reverse (width,lines, srcbits,linebytes, dstbits,-bmpImage->bytes_per_line); } break; } case 15: case 16: { char* dstbits; srcbits=srcbits+left*3; dstbits=bmpImage->data+left*2+(lines-1)*bmpImage->bytes_per_line; if (bmpImage->green_mask==0x03e0) { if ((rSrc==0xff0000 && bmpImage->red_mask==0x7f00) || (bSrc==0xff0000 && bmpImage->blue_mask==0x7f00)) { /* ==== rgb 888 dib -> rgb 555 bmp ==== */ /* ==== bgr 888 dib -> bgr 555 bmp ==== */ convs->Convert_888_to_555_asis (width,lines, srcbits,linebytes, dstbits,-bmpImage->bytes_per_line); } else if ((rSrc==0xff && bmpImage->red_mask==0x7f00) || (bSrc==0xff && bmpImage->blue_mask==0x7f00)) { /* ==== rgb 888 dib -> bgr 555 bmp ==== */ /* ==== bgr 888 dib -> rgb 555 bmp ==== */ convs->Convert_888_to_555_reverse (width,lines, srcbits,linebytes, dstbits,-bmpImage->bytes_per_line); } else { goto notsupported; } } else if (bmpImage->green_mask==0x07e0) { if ((rSrc==0xff0000 && bmpImage->red_mask==0xf800) || (bSrc==0xff0000 && bmpImage->blue_mask==0xf800)) { /* ==== rgb 888 dib -> rgb 565 bmp ==== */ /* ==== bgr 888 dib -> bgr 565 bmp ==== */ convs->Convert_888_to_565_asis (width,lines, srcbits,linebytes, dstbits,-bmpImage->bytes_per_line); } else if ((rSrc==0xff && bmpImage->red_mask==0xf800) || (bSrc==0xff && bmpImage->blue_mask==0xf800)) { /* ==== rgb 888 dib -> bgr 565 bmp ==== */ /* ==== bgr 888 dib -> rgb 565 bmp ==== */ convs->Convert_888_to_565_reverse (width,lines, srcbits,linebytes, dstbits,-bmpImage->bytes_per_line); } else { goto notsupported; } } else { goto notsupported; } } break; default: notsupported: WARN("from 24 bit DIB (%lx,%lx,%lx) to unknown %d bit bitmap (%lx,%lx,%lx)\n", rSrc, gSrc, bSrc, bmpImage->bits_per_pixel, bmpImage->red_mask, bmpImage->green_mask, bmpImage->blue_mask ); /* fall through */ case 1: case 4: case 8: { /* ==== rgb 888 dib -> any bmp bormat ==== */ const BYTE* srcbyte; /* Windows only supports one 24bpp DIB format: RGB888 */ srcbits+=left*3; for (h = lines - 1; h >= 0; h--) { srcbyte=(const BYTE*)srcbits; for (x = left; x < width+left; x++) { XPutPixel(bmpImage, x, h, X11DRV_PALETTE_ToPhysical (physDev, RGB(srcbyte[2], srcbyte[1], srcbyte[0]))); srcbyte+=3; } srcbits += linebytes; } } break; } } /*********************************************************************** * X11DRV_DIB_GetImageBits_24 * * GetDIBits for an 24-bit deep DIB. */ static void X11DRV_DIB_GetImageBits_24( int lines, BYTE *dstbits, DWORD dstwidth, DWORD srcwidth, PALETTEENTRY *srccolors, DWORD rDst, DWORD gDst, DWORD bDst, XImage *bmpImage, DWORD linebytes ) { DWORD x; int h, width = min(srcwidth, dstwidth); const dib_conversions *convs = (bmpImage->byte_order == LSBFirst) ? &dib_normal : &dib_src_byteswap; if (lines < 0 ) { lines = -lines; dstbits = dstbits + ( linebytes * (lines-1) ); linebytes = -linebytes; } switch (bmpImage->depth) { case 24: if (bmpImage->bits_per_pixel==24) { const char* srcbits; srcbits=bmpImage->data+(lines-1)*bmpImage->bytes_per_line; if (bmpImage->green_mask!=0x00ff00 || (bmpImage->red_mask|bmpImage->blue_mask)!=0xff00ff) { goto notsupported; } else if (rDst==bmpImage->red_mask) { /* ==== rgb 888 bmp -> rgb 888 dib ==== */ /* ==== bgr 888 bmp -> bgr 888 dib ==== */ convs->Convert_888_asis (width,lines, srcbits,-bmpImage->bytes_per_line, dstbits,linebytes); } else { /* ==== rgb 888 bmp -> bgr 888 dib ==== */ /* ==== bgr 888 bmp -> rgb 888 dib ==== */ convs->Convert_888_reverse (width,lines, srcbits,-bmpImage->bytes_per_line, dstbits,linebytes); } break; } /* fall through */ case 32: { const char* srcbits; srcbits=bmpImage->data+(lines-1)*bmpImage->bytes_per_line; if (bmpImage->green_mask!=0x00ff00 || (bmpImage->red_mask|bmpImage->blue_mask)!=0xff00ff) { goto notsupported; } else if (rDst==bmpImage->red_mask) { /* ==== rgb 888 bmp -> rgb 0888 dib ==== */ /* ==== bgr 888 bmp -> bgr 0888 dib ==== */ convs->Convert_0888_to_888_asis (width,lines, srcbits,-bmpImage->bytes_per_line, dstbits,linebytes); } else { /* ==== rgb 888 bmp -> bgr 0888 dib ==== */ /* ==== bgr 888 bmp -> rgb 0888 dib ==== */ convs->Convert_0888_to_888_reverse (width,lines, srcbits,-bmpImage->bytes_per_line, dstbits,linebytes); } break; } case 15: case 16: { const char* srcbits; srcbits=bmpImage->data+(lines-1)*bmpImage->bytes_per_line; if (bmpImage->green_mask==0x03e0) { if ((rDst==0xff0000 && bmpImage->red_mask==0x7f00) || (bDst==0xff0000 && bmpImage->blue_mask==0x7f00)) { /* ==== rgb 555 bmp -> rgb 888 dib ==== */ /* ==== bgr 555 bmp -> bgr 888 dib ==== */ convs->Convert_555_to_888_asis (width,lines, srcbits,-bmpImage->bytes_per_line, dstbits,linebytes); } else if ((rDst==0xff && bmpImage->red_mask==0x7f00) || (bDst==0xff && bmpImage->blue_mask==0x7f00)) { /* ==== rgb 555 bmp -> bgr 888 dib ==== */ /* ==== bgr 555 bmp -> rgb 888 dib ==== */ convs->Convert_555_to_888_reverse (width,lines, srcbits,-bmpImage->bytes_per_line, dstbits,linebytes); } else { goto notsupported; } } else if (bmpImage->green_mask==0x07e0) { if ((rDst==0xff0000 && bmpImage->red_mask==0xf800) || (bDst==0xff0000 && bmpImage->blue_mask==0xf800)) { /* ==== rgb 565 bmp -> rgb 888 dib ==== */ /* ==== bgr 565 bmp -> bgr 888 dib ==== */ convs->Convert_565_to_888_asis (width,lines, srcbits,-bmpImage->bytes_per_line, dstbits,linebytes); } else if ((rDst==0xff && bmpImage->red_mask==0xf800) || (bDst==0xff && bmpImage->blue_mask==0xf800)) { /* ==== rgb 565 bmp -> bgr 888 dib ==== */ /* ==== bgr 565 bmp -> rgb 888 dib ==== */ convs->Convert_565_to_888_reverse (width,lines, srcbits,-bmpImage->bytes_per_line, dstbits,linebytes); } else { goto notsupported; } } else { goto notsupported; } } break; case 1: case 4: if (bmpImage->red_mask==0 && bmpImage->green_mask==0 && bmpImage->blue_mask==0 && srccolors) { /* ==== pal 1 or 4 bmp -> rgb 888 dib ==== */ BYTE* dstbyte; /* Windows only supports one 24bpp DIB format: rgb 888 */ for (h = lines - 1; h >= 0; h--) { dstbyte=dstbits; for (x = 0; x < width; x++) { PALETTEENTRY srcval; srcval=srccolors[XGetPixel(bmpImage, x, h)]; dstbyte[0]=srcval.peBlue; dstbyte[1]=srcval.peGreen; dstbyte[2]=srcval.peRed; dstbyte+=3; } dstbits += linebytes; } } else { goto notsupported; } break; case 8: if (bmpImage->red_mask==0 && bmpImage->green_mask==0 && bmpImage->blue_mask == 0 && srccolors) { /* ==== pal 8 bmp -> rgb 888 dib ==== */ const void* srcbits; const BYTE* srcpixel; BYTE* dstbyte; /* Windows only supports one 24bpp DIB format: rgb 888 */ srcbits=bmpImage->data+(lines-1)*bmpImage->bytes_per_line; for (h = lines - 1; h >= 0; h--) { srcpixel=srcbits; dstbyte=dstbits; for (x = 0; x < width; x++ ) { PALETTEENTRY srcval; srcval=srccolors[(int)*srcpixel++]; dstbyte[0]=srcval.peBlue; dstbyte[1]=srcval.peGreen; dstbyte[2]=srcval.peRed; dstbyte+=3; } srcbits = (char*)srcbits - bmpImage->bytes_per_line; dstbits += linebytes; } } else { goto notsupported; } break; default: notsupported: { /* ==== any bmp format -> 888 dib ==== */ BYTE* dstbyte; WARN("from unknown %d bit bitmap (%lx,%lx,%lx) to 24 bit DIB (%lx,%lx,%lx)\n", bmpImage->depth, bmpImage->red_mask, bmpImage->green_mask, bmpImage->blue_mask, rDst, gDst, bDst ); /* Windows only supports one 24bpp DIB format: rgb 888 */ for (h = lines - 1; h >= 0; h--) { dstbyte=dstbits; for (x = 0; x < width; x++) { COLORREF srcval=X11DRV_PALETTE_ToLogical (XGetPixel( bmpImage, x, h )); dstbyte[0]=GetBValue(srcval); dstbyte[1]=GetGValue(srcval); dstbyte[2]=GetRValue(srcval); dstbyte+=3; } dstbits += linebytes; } } break; } } /*********************************************************************** * X11DRV_DIB_SetImageBits_32 * * SetDIBits for a 32-bit deep DIB. */ static void X11DRV_DIB_SetImageBits_32(int lines, const BYTE *srcbits, DWORD srcwidth, DWORD dstwidth, int left, X11DRV_PDEVICE *physDev, DWORD rSrc, DWORD gSrc, DWORD bSrc, XImage *bmpImage, DWORD linebytes) { DWORD x, *ptr; int h, width = min(srcwidth, dstwidth); const dib_conversions *convs = (bmpImage->byte_order == LSBFirst) ? &dib_normal : &dib_dst_byteswap; if (lines < 0 ) { lines = -lines; srcbits = srcbits + ( linebytes * (lines-1) ); linebytes = -linebytes; } ptr = (DWORD *) srcbits + left; switch (bmpImage->depth) { case 24: if (bmpImage->bits_per_pixel==24) { char* dstbits; srcbits=srcbits+left*4; dstbits=bmpImage->data+left*3+(lines-1)*bmpImage->bytes_per_line; if (rSrc==bmpImage->red_mask && gSrc==bmpImage->green_mask && bSrc==bmpImage->blue_mask) { /* ==== rgb 0888 dib -> rgb 888 bmp ==== */ /* ==== bgr 0888 dib -> bgr 888 bmp ==== */ convs->Convert_0888_to_888_asis (width,lines, srcbits,linebytes, dstbits,-bmpImage->bytes_per_line); } else if (bmpImage->green_mask!=0x00ff00 || (bmpImage->red_mask|bmpImage->blue_mask)!=0xff00ff) { goto notsupported; /* the tests below assume sane bmpImage masks */ } else if (rSrc==bmpImage->blue_mask && gSrc==bmpImage->green_mask && bSrc==bmpImage->red_mask) { /* ==== rgb 0888 dib -> bgr 888 bmp ==== */ /* ==== bgr 0888 dib -> rgb 888 bmp ==== */ convs->Convert_0888_to_888_reverse (width,lines, srcbits,linebytes, dstbits,-bmpImage->bytes_per_line); } else if (bmpImage->blue_mask==0xff) { /* ==== any 0888 dib -> rgb 888 bmp ==== */ convs->Convert_any0888_to_rgb888 (width,lines, srcbits,linebytes, rSrc,gSrc,bSrc, dstbits,-bmpImage->bytes_per_line); } else { /* ==== any 0888 dib -> bgr 888 bmp ==== */ convs->Convert_any0888_to_bgr888 (width,lines, srcbits,linebytes, rSrc,gSrc,bSrc, dstbits,-bmpImage->bytes_per_line); } break; } /* fall through */ case 32: { char* dstbits; srcbits=srcbits+left*4; dstbits=bmpImage->data+left*4+(lines-1)*bmpImage->bytes_per_line; if (gSrc==bmpImage->green_mask) { if (rSrc==bmpImage->red_mask && bSrc==bmpImage->blue_mask) { /* ==== rgb 0888 dib -> rgb 0888 bmp ==== */ /* ==== bgr 0888 dib -> bgr 0888 bmp ==== */ convs->Convert_0888_asis (width,lines, srcbits,linebytes, dstbits,-bmpImage->bytes_per_line); } else if (bmpImage->green_mask!=0x00ff00 || (bmpImage->red_mask|bmpImage->blue_mask)!=0xff00ff) { goto notsupported; /* the tests below assume sane bmpImage masks */ } else if (rSrc==bmpImage->blue_mask && bSrc==bmpImage->red_mask) { /* ==== rgb 0888 dib -> bgr 0888 bmp ==== */ /* ==== bgr 0888 dib -> rgb 0888 bmp ==== */ convs->Convert_0888_reverse (width,lines, srcbits,linebytes, dstbits,-bmpImage->bytes_per_line); } else { /* ==== any 0888 dib -> any 0888 bmp ==== */ convs->Convert_0888_any (width,lines, srcbits,linebytes, rSrc,gSrc,bSrc, dstbits,-bmpImage->bytes_per_line, bmpImage->red_mask,bmpImage->green_mask,bmpImage->blue_mask); } } else if (bmpImage->green_mask!=0x00ff00 || (bmpImage->red_mask|bmpImage->blue_mask)!=0xff00ff) { goto notsupported; /* the tests below assume sane bmpImage masks */ } else { /* ==== any 0888 dib -> any 0888 bmp ==== */ convs->Convert_0888_any (width,lines, srcbits,linebytes, rSrc,gSrc,bSrc, dstbits,-bmpImage->bytes_per_line, bmpImage->red_mask,bmpImage->green_mask,bmpImage->blue_mask); } } break; case 15: case 16: { char* dstbits; srcbits=srcbits+left*4; dstbits=bmpImage->data+left*2+(lines-1)*bmpImage->bytes_per_line; if (rSrc==0xff0000 && gSrc==0x00ff00 && bSrc==0x0000ff) { if (bmpImage->green_mask==0x03e0) { if (bmpImage->red_mask==0x7f00) { /* ==== rgb 0888 dib -> rgb 555 bmp ==== */ convs->Convert_0888_to_555_asis (width,lines, srcbits,linebytes, dstbits,-bmpImage->bytes_per_line); } else if (bmpImage->blue_mask==0x7f00) { /* ==== rgb 0888 dib -> bgr 555 bmp ==== */ convs->Convert_0888_to_555_reverse (width,lines, srcbits,linebytes, dstbits,-bmpImage->bytes_per_line); } else { goto notsupported; } } else if (bmpImage->green_mask==0x07e0) { if (bmpImage->red_mask==0xf800) { /* ==== rgb 0888 dib -> rgb 565 bmp ==== */ convs->Convert_0888_to_565_asis (width,lines, srcbits,linebytes, dstbits,-bmpImage->bytes_per_line); } else if (bmpImage->blue_mask==0xf800) { /* ==== rgb 0888 dib -> bgr 565 bmp ==== */ convs->Convert_0888_to_565_reverse (width,lines, srcbits,linebytes, dstbits,-bmpImage->bytes_per_line); } else { goto notsupported; } } else { goto notsupported; } } else if (rSrc==0x0000ff && gSrc==0x00ff00 && bSrc==0xff0000) { if (bmpImage->green_mask==0x03e0) { if (bmpImage->blue_mask==0x7f00) { /* ==== bgr 0888 dib -> bgr 555 bmp ==== */ convs->Convert_0888_to_555_asis (width,lines, srcbits,linebytes, dstbits,-bmpImage->bytes_per_line); } else if (bmpImage->red_mask==0x7f00) { /* ==== bgr 0888 dib -> rgb 555 bmp ==== */ convs->Convert_0888_to_555_reverse (width,lines, srcbits,linebytes, dstbits,-bmpImage->bytes_per_line); } else { goto notsupported; } } else if (bmpImage->green_mask==0x07e0) { if (bmpImage->blue_mask==0xf800) { /* ==== bgr 0888 dib -> bgr 565 bmp ==== */ convs->Convert_0888_to_565_asis (width,lines, srcbits,linebytes, dstbits,-bmpImage->bytes_per_line); } else if (bmpImage->red_mask==0xf800) { /* ==== bgr 0888 dib -> rgb 565 bmp ==== */ convs->Convert_0888_to_565_reverse (width,lines, srcbits,linebytes, dstbits,-bmpImage->bytes_per_line); } else { goto notsupported; } } else { goto notsupported; } } else { if (bmpImage->green_mask==0x03e0 && (bmpImage->red_mask==0x7f00 || bmpImage->blue_mask==0x7f00)) { /* ==== any 0888 dib -> rgb or bgr 555 bmp ==== */ convs->Convert_any0888_to_5x5 (width,lines, srcbits,linebytes, rSrc,gSrc,bSrc, dstbits,-bmpImage->bytes_per_line, bmpImage->red_mask,bmpImage->green_mask,bmpImage->blue_mask); } else if (bmpImage->green_mask==0x07e0 && (bmpImage->red_mask==0xf800 || bmpImage->blue_mask==0xf800)) { /* ==== any 0888 dib -> rgb or bgr 565 bmp ==== */ convs->Convert_any0888_to_5x5 (width,lines, srcbits,linebytes, rSrc,gSrc,bSrc, dstbits,-bmpImage->bytes_per_line, bmpImage->red_mask,bmpImage->green_mask,bmpImage->blue_mask); } else { goto notsupported; } } } break; default: notsupported: WARN("from 32 bit DIB (%lx,%lx,%lx) to unknown %d bit bitmap (%lx,%lx,%lx)\n", rSrc, gSrc, bSrc, bmpImage->bits_per_pixel, bmpImage->red_mask, bmpImage->green_mask, bmpImage->blue_mask ); /* fall through */ case 1: case 4: case 8: { /* ==== any 0888 dib -> pal 1, 4 or 8 bmp ==== */ const DWORD* srcpixel; int rShift,gShift,bShift; rShift=X11DRV_DIB_MaskToShift(rSrc); gShift=X11DRV_DIB_MaskToShift(gSrc); bShift=X11DRV_DIB_MaskToShift(bSrc); srcbits+=left*4; for (h = lines - 1; h >= 0; h--) { srcpixel=(const DWORD*)srcbits; for (x = left; x < width+left; x++) { DWORD srcvalue; BYTE red,green,blue; srcvalue=*srcpixel++; red= (srcvalue >> rShift) & 0xff; green=(srcvalue >> gShift) & 0xff; blue= (srcvalue >> bShift) & 0xff; XPutPixel(bmpImage, x, h, X11DRV_PALETTE_ToPhysical (physDev, RGB(red,green,blue))); } srcbits += linebytes; } } break; } } /*********************************************************************** * X11DRV_DIB_GetImageBits_32 * * GetDIBits for an 32-bit deep DIB. */ static void X11DRV_DIB_GetImageBits_32( int lines, BYTE *dstbits, DWORD dstwidth, DWORD srcwidth, PALETTEENTRY *srccolors, DWORD rDst, DWORD gDst, DWORD bDst, XImage *bmpImage, DWORD linebytes ) { DWORD x; int h, width = min(srcwidth, dstwidth); BYTE *bits; const dib_conversions *convs = (bmpImage->byte_order == LSBFirst) ? &dib_normal : &dib_src_byteswap; if (lines < 0 ) { lines = -lines; dstbits = dstbits + ( linebytes * (lines-1) ); linebytes = -linebytes; } bits = dstbits; switch (bmpImage->depth) { case 24: if (bmpImage->bits_per_pixel==24) { const void* srcbits; srcbits=bmpImage->data+(lines-1)*bmpImage->bytes_per_line; if (rDst==bmpImage->red_mask && gDst==bmpImage->green_mask && bDst==bmpImage->blue_mask) { /* ==== rgb 888 bmp -> rgb 0888 dib ==== */ /* ==== bgr 888 bmp -> bgr 0888 dib ==== */ convs->Convert_888_to_0888_asis (width,lines, srcbits,-bmpImage->bytes_per_line, dstbits,linebytes); } else if (bmpImage->green_mask!=0x00ff00 || (bmpImage->red_mask|bmpImage->blue_mask)!=0xff00ff) { goto notsupported; /* the tests below assume sane bmpImage masks */ } else if (rDst==bmpImage->blue_mask && gDst==bmpImage->green_mask && bDst==bmpImage->red_mask) { /* ==== rgb 888 bmp -> bgr 0888 dib ==== */ /* ==== bgr 888 bmp -> rgb 0888 dib ==== */ convs->Convert_888_to_0888_reverse (width,lines, srcbits,-bmpImage->bytes_per_line, dstbits,linebytes); } else if (bmpImage->blue_mask==0xff) { /* ==== rgb 888 bmp -> any 0888 dib ==== */ convs->Convert_rgb888_to_any0888 (width,lines, srcbits,-bmpImage->bytes_per_line, dstbits,linebytes, rDst,gDst,bDst); } else { /* ==== bgr 888 bmp -> any 0888 dib ==== */ convs->Convert_bgr888_to_any0888 (width,lines, srcbits,-bmpImage->bytes_per_line, dstbits,linebytes, rDst,gDst,bDst); } break; } /* fall through */ case 32: { const char* srcbits; srcbits=bmpImage->data+(lines-1)*bmpImage->bytes_per_line; if (gDst==bmpImage->green_mask) { if (rDst==bmpImage->red_mask && bDst==bmpImage->blue_mask) { /* ==== rgb 0888 bmp -> rgb 0888 dib ==== */ /* ==== bgr 0888 bmp -> bgr 0888 dib ==== */ convs->Convert_0888_asis (width,lines, srcbits,-bmpImage->bytes_per_line, dstbits,linebytes); } else if (bmpImage->green_mask!=0x00ff00 || (bmpImage->red_mask|bmpImage->blue_mask)!=0xff00ff) { goto notsupported; /* the tests below assume sane bmpImage masks */ } else if (rDst==bmpImage->blue_mask && bDst==bmpImage->red_mask) { /* ==== rgb 0888 bmp -> bgr 0888 dib ==== */ /* ==== bgr 0888 bmp -> rgb 0888 dib ==== */ convs->Convert_0888_reverse (width,lines, srcbits,-bmpImage->bytes_per_line, dstbits,linebytes); } else { /* ==== any 0888 bmp -> any 0888 dib ==== */ convs->Convert_0888_any (width,lines, srcbits,-bmpImage->bytes_per_line, bmpImage->red_mask,bmpImage->green_mask,bmpImage->blue_mask, dstbits,linebytes, rDst,gDst,bDst); } } else if (bmpImage->green_mask!=0x00ff00 || (bmpImage->red_mask|bmpImage->blue_mask)!=0xff00ff) { goto notsupported; /* the tests below assume sane bmpImage masks */ } else { /* ==== any 0888 bmp -> any 0888 dib ==== */ convs->Convert_0888_any (width,lines, srcbits,-bmpImage->bytes_per_line, bmpImage->red_mask,bmpImage->green_mask,bmpImage->blue_mask, dstbits,linebytes, rDst,gDst,bDst); } } break; case 15: case 16: { const char* srcbits; srcbits=bmpImage->data+(lines-1)*bmpImage->bytes_per_line; if (rDst==0xff0000 && gDst==0x00ff00 && bDst==0x0000ff) { if (bmpImage->green_mask==0x03e0) { if (bmpImage->red_mask==0x7f00) { /* ==== rgb 555 bmp -> rgb 0888 dib ==== */ convs->Convert_555_to_0888_asis (width,lines, srcbits,-bmpImage->bytes_per_line, dstbits,linebytes); } else if (bmpImage->blue_mask==0x7f00) { /* ==== bgr 555 bmp -> rgb 0888 dib ==== */ convs->Convert_555_to_0888_reverse (width,lines, srcbits,-bmpImage->bytes_per_line, dstbits,linebytes); } else { goto notsupported; } } else if (bmpImage->green_mask==0x07e0) { if (bmpImage->red_mask==0xf800) { /* ==== rgb 565 bmp -> rgb 0888 dib ==== */ convs->Convert_565_to_0888_asis (width,lines, srcbits,-bmpImage->bytes_per_line, dstbits,linebytes); } else if (bmpImage->blue_mask==0xf800) { /* ==== bgr 565 bmp -> rgb 0888 dib ==== */ convs->Convert_565_to_0888_reverse (width,lines, srcbits,-bmpImage->bytes_per_line, dstbits,linebytes); } else { goto notsupported; } } else { goto notsupported; } } else if (rDst==0x0000ff && gDst==0x00ff00 && bDst==0xff0000) { if (bmpImage->green_mask==0x03e0) { if (bmpImage->blue_mask==0x7f00) { /* ==== bgr 555 bmp -> bgr 0888 dib ==== */ convs->Convert_555_to_0888_asis (width,lines, srcbits,-bmpImage->bytes_per_line, dstbits,linebytes); } else if (bmpImage->red_mask==0x7f00) { /* ==== rgb 555 bmp -> bgr 0888 dib ==== */ convs->Convert_555_to_0888_reverse (width,lines, srcbits,-bmpImage->bytes_per_line, dstbits,linebytes); } else { goto notsupported; } } else if (bmpImage->green_mask==0x07e0) { if (bmpImage->blue_mask==0xf800) { /* ==== bgr 565 bmp -> bgr 0888 dib ==== */ convs->Convert_565_to_0888_asis (width,lines, srcbits,-bmpImage->bytes_per_line, dstbits,linebytes); } else if (bmpImage->red_mask==0xf800) { /* ==== rgb 565 bmp -> bgr 0888 dib ==== */ convs->Convert_565_to_0888_reverse (width,lines, srcbits,-bmpImage->bytes_per_line, dstbits,linebytes); } else { goto notsupported; } } else { goto notsupported; } } else { if (bmpImage->green_mask==0x03e0 && (bmpImage->red_mask==0x7f00 || bmpImage->blue_mask==0x7f00)) { /* ==== rgb or bgr 555 bmp -> any 0888 dib ==== */ convs->Convert_5x5_to_any0888 (width,lines, srcbits,-bmpImage->bytes_per_line, bmpImage->red_mask,bmpImage->green_mask,bmpImage->blue_mask, dstbits,linebytes, rDst,gDst,bDst); } else if (bmpImage->green_mask==0x07e0 && (bmpImage->red_mask==0xf800 || bmpImage->blue_mask==0xf800)) { /* ==== rgb or bgr 565 bmp -> any 0888 dib ==== */ convs->Convert_5x5_to_any0888 (width,lines, srcbits,-bmpImage->bytes_per_line, bmpImage->red_mask,bmpImage->green_mask,bmpImage->blue_mask, dstbits,linebytes, rDst,gDst,bDst); } else { goto notsupported; } } } break; case 1: case 4: if (bmpImage->red_mask==0 && bmpImage->green_mask==0 && bmpImage->blue_mask==0 && srccolors) { /* ==== pal 1 or 4 bmp -> any 0888 dib ==== */ int rShift,gShift,bShift; DWORD* dstpixel; rShift=X11DRV_DIB_MaskToShift(rDst); gShift=X11DRV_DIB_MaskToShift(gDst); bShift=X11DRV_DIB_MaskToShift(bDst); for (h = lines - 1; h >= 0; h--) { dstpixel=(DWORD*)dstbits; for (x = 0; x < width; x++) { PALETTEENTRY srcval; srcval = srccolors[XGetPixel(bmpImage, x, h)]; *dstpixel++=(srcval.peRed << rShift) | (srcval.peGreen << gShift) | (srcval.peBlue << bShift); } dstbits += linebytes; } } else { goto notsupported; } break; case 8: if (bmpImage->red_mask==0 && bmpImage->green_mask==0 && bmpImage->blue_mask==0 && srccolors) { /* ==== pal 8 bmp -> any 0888 dib ==== */ int rShift,gShift,bShift; const void* srcbits; const BYTE* srcpixel; DWORD* dstpixel; rShift=X11DRV_DIB_MaskToShift(rDst); gShift=X11DRV_DIB_MaskToShift(gDst); bShift=X11DRV_DIB_MaskToShift(bDst); srcbits=bmpImage->data+(lines-1)*bmpImage->bytes_per_line; for (h = lines - 1; h >= 0; h--) { srcpixel=srcbits; dstpixel=(DWORD*)dstbits; for (x = 0; x < width; x++) { PALETTEENTRY srcval; srcval=srccolors[(int)*srcpixel++]; *dstpixel++=(srcval.peRed << rShift) | (srcval.peGreen << gShift) | (srcval.peBlue << bShift); } srcbits = (char*)srcbits - bmpImage->bytes_per_line; dstbits += linebytes; } } else { goto notsupported; } break; default: notsupported: { /* ==== any bmp format -> any 0888 dib ==== */ int rShift,gShift,bShift; DWORD* dstpixel; WARN("from unknown %d bit bitmap (%lx,%lx,%lx) to 32 bit DIB (%lx,%lx,%lx)\n", bmpImage->depth, bmpImage->red_mask, bmpImage->green_mask, bmpImage->blue_mask, rDst,gDst,bDst); rShift=X11DRV_DIB_MaskToShift(rDst); gShift=X11DRV_DIB_MaskToShift(gDst); bShift=X11DRV_DIB_MaskToShift(bDst); for (h = lines - 1; h >= 0; h--) { dstpixel=(DWORD*)dstbits; for (x = 0; x < width; x++) { COLORREF srcval; srcval=X11DRV_PALETTE_ToLogical(XGetPixel(bmpImage, x, h)); *dstpixel++=(GetRValue(srcval) << rShift) | (GetGValue(srcval) << gShift) | (GetBValue(srcval) << bShift); } dstbits += linebytes; } } break; } } /*********************************************************************** * X11DRV_DIB_SetImageBits * * Transfer the bits to an X image. * Helper function for SetDIBits() and SetDIBitsToDevice(). */ static int X11DRV_DIB_SetImageBits( const X11DRV_DIB_IMAGEBITS_DESCR *descr ) { int lines = descr->lines >= 0 ? descr->lines : -descr->lines; XImage *bmpImage; wine_tsx11_lock(); if (descr->image) bmpImage = descr->image; else { bmpImage = XCreateImage( gdi_display, visual, descr->depth, ZPixmap, 0, NULL, descr->infoWidth, lines, 32, 0 ); bmpImage->data = calloc( lines, bmpImage->bytes_per_line ); if(bmpImage->data == NULL) { ERR("Out of memory!\n"); XDestroyImage( bmpImage ); wine_tsx11_unlock(); return lines; } } TRACE("Dib: depth=%d r=%lx g=%lx b=%lx\n", descr->infoBpp,descr->rMask,descr->gMask,descr->bMask); TRACE("Bmp: depth=%d/%d r=%lx g=%lx b=%lx\n", bmpImage->depth,bmpImage->bits_per_pixel, bmpImage->red_mask,bmpImage->green_mask,bmpImage->blue_mask); /* Transfer the pixels */ switch(descr->infoBpp) { case 1: X11DRV_DIB_SetImageBits_1( descr->lines, descr->bits, descr->infoWidth, descr->width, descr->xSrc, (int *)(descr->colorMap), bmpImage, descr->dibpitch ); break; case 4: if (descr->compression) { XGetSubImage( gdi_display, descr->drawable, descr->xDest, descr->yDest, descr->width, descr->height, AllPlanes, ZPixmap, bmpImage, descr->xSrc, descr->ySrc ); X11DRV_DIB_SetImageBits_RLE4( descr->lines, descr->bits, descr->infoWidth, descr->width, descr->xSrc, (int *)(descr->colorMap), bmpImage ); } else X11DRV_DIB_SetImageBits_4( descr->lines, descr->bits, descr->infoWidth, descr->width, descr->xSrc, (int*)(descr->colorMap), bmpImage, descr->dibpitch ); break; case 8: if (descr->compression) { XGetSubImage( gdi_display, descr->drawable, descr->xDest, descr->yDest, descr->width, descr->height, AllPlanes, ZPixmap, bmpImage, descr->xSrc, descr->ySrc ); X11DRV_DIB_SetImageBits_RLE8( descr->lines, descr->bits, descr->infoWidth, descr->width, descr->xSrc, (int *)(descr->colorMap), bmpImage ); } else X11DRV_DIB_SetImageBits_8( descr->lines, descr->bits, descr->infoWidth, descr->width, descr->xSrc, (int *)(descr->colorMap), bmpImage, descr->dibpitch ); break; case 15: case 16: X11DRV_DIB_SetImageBits_16( descr->lines, descr->bits, descr->infoWidth, descr->width, descr->xSrc, descr->physDev, descr->rMask, descr->gMask, descr->bMask, bmpImage, descr->dibpitch); break; case 24: X11DRV_DIB_SetImageBits_24( descr->lines, descr->bits, descr->infoWidth, descr->width, descr->xSrc, descr->physDev, descr->rMask, descr->gMask, descr->bMask, bmpImage, descr->dibpitch); break; case 32: X11DRV_DIB_SetImageBits_32( descr->lines, descr->bits, descr->infoWidth, descr->width, descr->xSrc, descr->physDev, descr->rMask, descr->gMask, descr->bMask, bmpImage, descr->dibpitch); break; default: WARN("(%d): Invalid depth\n", descr->infoBpp ); break; } TRACE("XPutImage(%ld,%p,%p,%d,%d,%d,%d,%d,%d)\n", descr->drawable, descr->gc, bmpImage, descr->xSrc, descr->ySrc, descr->xDest, descr->yDest, descr->width, descr->height); #ifdef HAVE_LIBXXSHM if (descr->useShm) { XShmPutImage( gdi_display, descr->drawable, descr->gc, bmpImage, descr->xSrc, descr->ySrc, descr->xDest, descr->yDest, descr->width, descr->height, FALSE ); XSync( gdi_display, 0 ); } else #endif XPutImage( gdi_display, descr->drawable, descr->gc, bmpImage, descr->xSrc, descr->ySrc, descr->xDest, descr->yDest, descr->width, descr->height ); if (!descr->image) XDestroyImage( bmpImage ); wine_tsx11_unlock(); return lines; } /*********************************************************************** * X11DRV_DIB_GetImageBits * * Transfer the bits from an X image. */ static int X11DRV_DIB_GetImageBits( const X11DRV_DIB_IMAGEBITS_DESCR *descr ) { int lines = descr->lines >= 0 ? descr->lines : -descr->lines; XImage *bmpImage; wine_tsx11_lock(); if (descr->image) bmpImage = descr->image; else { bmpImage = XCreateImage( gdi_display, visual, descr->depth, ZPixmap, 0, NULL, descr->infoWidth, lines, 32, 0 ); bmpImage->data = calloc( lines, bmpImage->bytes_per_line ); if(bmpImage->data == NULL) { ERR("Out of memory!\n"); XDestroyImage( bmpImage ); wine_tsx11_unlock(); return lines; } } #ifdef HAVE_LIBXXSHM if (descr->useShm) { int saveRed, saveGreen, saveBlue; TRACE("XShmGetImage(%p, %ld, %p, %d, %d, %ld)\n", gdi_display, descr->drawable, bmpImage, descr->xSrc, descr->ySrc, AllPlanes); /* We must save and restore the bmpImage's masks in order * to preserve them across the call to XShmGetImage, which * decides to eleminate them since it doesn't happen to know * what the format of the image is supposed to be, even though * we do. */ saveRed = bmpImage->red_mask; saveBlue= bmpImage->blue_mask; saveGreen = bmpImage->green_mask; XShmGetImage( gdi_display, descr->drawable, bmpImage, descr->xSrc, descr->ySrc, AllPlanes); bmpImage->red_mask = saveRed; bmpImage->blue_mask = saveBlue; bmpImage->green_mask = saveGreen; } else #endif /* HAVE_LIBXXSHM */ { TRACE("XGetSubImage(%p,%ld,%d,%d,%d,%d,%ld,%d,%p,%d,%d)\n", gdi_display, descr->drawable, descr->xSrc, descr->ySrc, descr->width, lines, AllPlanes, ZPixmap, bmpImage, descr->xDest, descr->yDest); XGetSubImage( gdi_display, descr->drawable, descr->xSrc, descr->ySrc, descr->width, lines, AllPlanes, ZPixmap, bmpImage, descr->xDest, descr->yDest ); } TRACE("Dib: depth=%2d r=%lx g=%lx b=%lx\n", descr->infoBpp,descr->rMask,descr->gMask,descr->bMask); TRACE("Bmp: depth=%2d/%2d r=%lx g=%lx b=%lx\n", bmpImage->depth,bmpImage->bits_per_pixel, bmpImage->red_mask,bmpImage->green_mask,bmpImage->blue_mask); /* Transfer the pixels */ switch(descr->infoBpp) { case 1: X11DRV_DIB_GetImageBits_1( descr->lines,(LPVOID)descr->bits, descr->infoWidth, descr->width, descr->colorMap, descr->palentry, bmpImage, descr->dibpitch ); break; case 4: if (descr->compression) { FIXME("Compression not yet supported!\n"); if(descr->sizeImage < X11DRV_DIB_GetDIBWidthBytes( descr->infoWidth, 4 ) * abs(descr->lines)) break; } X11DRV_DIB_GetImageBits_4( descr->lines,(LPVOID)descr->bits, descr->infoWidth, descr->width, descr->colorMap, descr->palentry, bmpImage, descr->dibpitch ); break; case 8: if (descr->compression) { FIXME("Compression not yet supported!\n"); if(descr->sizeImage < X11DRV_DIB_GetDIBWidthBytes( descr->infoWidth, 8 ) * abs(descr->lines)) break; } X11DRV_DIB_GetImageBits_8( descr->lines, (LPVOID)descr->bits, descr->infoWidth, descr->width, descr->colorMap, descr->palentry, bmpImage, descr->dibpitch ); break; case 15: case 16: X11DRV_DIB_GetImageBits_16( descr->lines, (LPVOID)descr->bits, descr->infoWidth,descr->width, descr->palentry, descr->rMask, descr->gMask, descr->bMask, bmpImage, descr->dibpitch ); break; case 24: X11DRV_DIB_GetImageBits_24( descr->lines, (LPVOID)descr->bits, descr->infoWidth,descr->width, descr->palentry, descr->rMask, descr->gMask, descr->bMask, bmpImage, descr->dibpitch); break; case 32: X11DRV_DIB_GetImageBits_32( descr->lines, (LPVOID)descr->bits, descr->infoWidth, descr->width, descr->palentry, descr->rMask, descr->gMask, descr->bMask, bmpImage, descr->dibpitch); break; default: WARN("(%d): Invalid depth\n", descr->infoBpp ); break; } if (!descr->image) XDestroyImage( bmpImage ); wine_tsx11_unlock(); return lines; } /************************************************************************* * X11DRV_SetDIBitsToDevice * */ INT X11DRV_SetDIBitsToDevice( X11DRV_PDEVICE *physDev, INT xDest, INT yDest, DWORD cx, DWORD cy, INT xSrc, INT ySrc, UINT startscan, UINT lines, LPCVOID bits, const BITMAPINFO *info, UINT coloruse ) { X11DRV_DIB_IMAGEBITS_DESCR descr; DWORD width; INT result; int height; BOOL top_down; POINT pt; if (DIB_GetBitmapInfo( &info->bmiHeader, &width, &height, &descr.infoBpp, &descr.compression ) == -1) return 0; top_down = (height < 0); if (top_down) height = -height; pt.x = xDest; pt.y = yDest; LPtoDP(physDev->hdc, &pt, 1); if (!lines || (startscan >= height)) return 0; if (!top_down && startscan + lines > height) lines = height - startscan; /* make xSrc,ySrc point to the upper-left corner, not the lower-left one, * and clamp all values to fit inside [startscan,startscan+lines] */ if (ySrc + cy <= startscan + lines) { UINT y = startscan + lines - (ySrc + cy); if (ySrc < startscan) cy -= (startscan - ySrc); if (!top_down) { /* avoid getting unnecessary lines */ ySrc = 0; if (y >= lines) return 0; lines -= y; } else { if (y >= lines) return lines; ySrc = y; /* need to get all lines in top down mode */ } } else { if (ySrc >= startscan + lines) return lines; pt.y += ySrc + cy - (startscan + lines); cy = startscan + lines - ySrc; ySrc = 0; if (cy > lines) cy = lines; } if (xSrc >= width) return lines; if (xSrc + cx >= width) cx = width - xSrc; if (!cx || !cy) return lines; /* Update the pixmap from the DIB section */ X11DRV_LockDIBSection(physDev, DIB_Status_GdiMod, FALSE); X11DRV_SetupGCForText( physDev ); /* To have the correct colors */ wine_tsx11_lock(); XSetFunction(gdi_display, physDev->gc, X11DRV_XROPfunction[GetROP2(physDev->hdc) - 1]); wine_tsx11_unlock(); switch (descr.infoBpp) { case 1: case 4: case 8: descr.colorMap = (RGBQUAD *)X11DRV_DIB_BuildColorMap( coloruse == DIB_PAL_COLORS ? physDev : NULL, coloruse, physDev->depth, info, &descr.nColorMap ); if (!descr.colorMap) return 0; descr.rMask = descr.gMask = descr.bMask = 0; break; case 15: case 16: descr.rMask = (descr.compression == BI_BITFIELDS) ? *(DWORD *)info->bmiColors : 0x7c00; descr.gMask = (descr.compression == BI_BITFIELDS) ? *((DWORD *)info->bmiColors + 1) : 0x03e0; descr.bMask = (descr.compression == BI_BITFIELDS) ? *((DWORD *)info->bmiColors + 2) : 0x001f; descr.colorMap = 0; break; case 24: case 32: descr.rMask = (descr.compression == BI_BITFIELDS) ? *(DWORD *)info->bmiColors : 0xff0000; descr.gMask = (descr.compression == BI_BITFIELDS) ? *((DWORD *)info->bmiColors + 1) : 0x00ff00; descr.bMask = (descr.compression == BI_BITFIELDS) ? *((DWORD *)info->bmiColors + 2) : 0x0000ff; descr.colorMap = 0; break; } descr.physDev = physDev; descr.bits = bits; descr.image = NULL; descr.palentry = NULL; descr.lines = top_down ? -lines : lines; descr.infoWidth = width; descr.depth = physDev->depth; descr.drawable = physDev->drawable; descr.gc = physDev->gc; descr.xSrc = xSrc; descr.ySrc = ySrc; descr.xDest = physDev->org.x + pt.x; descr.yDest = physDev->org.y + pt.y; descr.width = cx; descr.height = cy; descr.useShm = FALSE; descr.dibpitch = ((width * descr.infoBpp + 31) &~31) / 8; result = X11DRV_DIB_SetImageBits( &descr ); if (descr.infoBpp <= 8) HeapFree(GetProcessHeap(), 0, descr.colorMap); /* Update the DIBSection of the pixmap */ X11DRV_UnlockDIBSection(physDev, TRUE); return result; } /*********************************************************************** * SetDIBits (X11DRV.@) */ INT X11DRV_SetDIBits( X11DRV_PDEVICE *physDev, HBITMAP hbitmap, UINT startscan, UINT lines, LPCVOID bits, const BITMAPINFO *info, UINT coloruse ) { X11DRV_DIB_IMAGEBITS_DESCR descr; BITMAPOBJ *bmp; int height, tmpheight; INT result; descr.physDev = physDev; if (DIB_GetBitmapInfo( &info->bmiHeader, &descr.infoWidth, &height, &descr.infoBpp, &descr.compression ) == -1) return 0; tmpheight = height; if (height < 0) height = -height; if (!lines || (startscan >= height)) return 0; if (!(bmp = (BITMAPOBJ *) GDI_GetObjPtr( hbitmap, BITMAP_MAGIC ))) return 0; if (startscan + lines > height) lines = height - startscan; switch (descr.infoBpp) { case 1: case 4: case 8: descr.colorMap = (RGBQUAD *)X11DRV_DIB_BuildColorMap( coloruse == DIB_PAL_COLORS ? descr.physDev : NULL, coloruse, bmp->bitmap.bmBitsPixel, info, &descr.nColorMap ); if (!descr.colorMap) { GDI_ReleaseObj( hbitmap ); return 0; } descr.rMask = descr.gMask = descr.bMask = 0; break; case 15: case 16: descr.rMask = (descr.compression == BI_BITFIELDS) ? *(DWORD *)info->bmiColors : 0x7c00; descr.gMask = (descr.compression == BI_BITFIELDS) ? *((DWORD *)info->bmiColors + 1) : 0x03e0; descr.bMask = (descr.compression == BI_BITFIELDS) ? *((DWORD *)info->bmiColors + 2) : 0x001f; descr.colorMap = 0; break; case 24: case 32: descr.rMask = (descr.compression == BI_BITFIELDS) ? *(DWORD *)info->bmiColors : 0xff0000; descr.gMask = (descr.compression == BI_BITFIELDS) ? *((DWORD *)info->bmiColors + 1) : 0x00ff00; descr.bMask = (descr.compression == BI_BITFIELDS) ? *((DWORD *)info->bmiColors + 2) : 0x0000ff; descr.colorMap = 0; break; default: break; } descr.bits = bits; descr.image = NULL; descr.palentry = NULL; descr.lines = tmpheight >= 0 ? lines : -lines; descr.depth = bmp->bitmap.bmBitsPixel; descr.drawable = (Pixmap)bmp->physBitmap; descr.gc = BITMAP_GC(bmp); descr.xSrc = 0; descr.ySrc = 0; descr.xDest = 0; descr.yDest = height - startscan - lines; descr.width = bmp->bitmap.bmWidth; descr.height = lines; descr.useShm = FALSE; descr.dibpitch = ((descr.infoWidth * descr.infoBpp + 31) &~31) / 8; X11DRV_DIB_Lock(bmp, DIB_Status_GdiMod, FALSE); result = X11DRV_DIB_SetImageBits( &descr ); X11DRV_DIB_Unlock(bmp, TRUE); if (descr.colorMap) HeapFree(GetProcessHeap(), 0, descr.colorMap); GDI_ReleaseObj( hbitmap ); return result; } /*********************************************************************** * GetDIBits (X11DRV.@) */ INT X11DRV_GetDIBits( X11DRV_PDEVICE *physDev, HBITMAP hbitmap, UINT startscan, UINT lines, LPVOID bits, BITMAPINFO *info, UINT coloruse ) { X11DRV_DIBSECTION *dib; X11DRV_DIB_IMAGEBITS_DESCR descr; PALETTEENTRY palette[256]; BITMAPOBJ *bmp; int height; GetPaletteEntries( GetCurrentObject( physDev->hdc, OBJ_PAL ), 0, 256, palette ); if (!(bmp = (BITMAPOBJ *) GDI_GetObjPtr( hbitmap, BITMAP_MAGIC ))) return 0; dib = (X11DRV_DIBSECTION *) bmp->dib; TRACE("%u scanlines of (%i,%i) -> (%i,%i) starting from %u\n", lines, bmp->bitmap.bmWidth, bmp->bitmap.bmHeight, (int)info->bmiHeader.biWidth, (int)info->bmiHeader.biHeight, startscan ); if( lines > bmp->bitmap.bmHeight ) lines = bmp->bitmap.bmHeight; height = info->bmiHeader.biHeight; if (height < 0) height = -height; if( lines > height ) lines = height; /* Top-down images have a negative biHeight, the scanlines of theses images * were inverted in X11DRV_DIB_GetImageBits_xx * To prevent this we simply change the sign of lines * (the number of scan lines to copy). * Negative lines are correctly handled by X11DRV_DIB_GetImageBits_xx. */ if( info->bmiHeader.biHeight < 0 && lines > 0) lines = -lines; if( startscan >= bmp->bitmap.bmHeight ) { lines = 0; goto done; } if (DIB_GetBitmapInfo( &info->bmiHeader, &descr.infoWidth, &descr.lines, &descr.infoBpp, &descr.compression ) == -1) { lines = 0; goto done; } descr.colorMap = NULL; switch (descr.infoBpp) { case 1: case 4: case 8: descr.rMask= descr.gMask = descr.bMask = 0; if(coloruse == DIB_RGB_COLORS) descr.colorMap = info->bmiColors; else { int num_colors = 1 << descr.infoBpp, i; RGBQUAD *rgb; COLORREF colref; WORD *index = (WORD*)info->bmiColors; descr.colorMap = rgb = HeapAlloc(GetProcessHeap(), 0, num_colors * sizeof(RGBQUAD)); for(i = 0; i < num_colors; i++, rgb++, index++) { colref = X11DRV_PALETTE_ToLogical(X11DRV_PALETTE_ToPhysical(physDev, PALETTEINDEX(*index))); rgb->rgbRed = GetRValue(colref); rgb->rgbGreen = GetGValue(colref); rgb->rgbBlue = GetBValue(colref); rgb->rgbReserved = 0; } } break; case 15: case 16: descr.rMask = (descr.compression == BI_BITFIELDS) ? *(DWORD *)info->bmiColors : 0x7c00; descr.gMask = (descr.compression == BI_BITFIELDS) ? *((DWORD *)info->bmiColors + 1) : 0x03e0; descr.bMask = (descr.compression == BI_BITFIELDS) ? *((DWORD *)info->bmiColors + 2) : 0x001f; break; case 24: case 32: descr.rMask = (descr.compression == BI_BITFIELDS) ? *(DWORD *)info->bmiColors : 0xff0000; descr.gMask = (descr.compression == BI_BITFIELDS) ? *((DWORD *)info->bmiColors + 1) : 0x00ff00; descr.bMask = (descr.compression == BI_BITFIELDS) ? *((DWORD *)info->bmiColors + 2) : 0x0000ff; break; } descr.physDev = physDev; descr.palentry = palette; descr.bits = bits; descr.image = NULL; descr.lines = lines; descr.depth = bmp->bitmap.bmBitsPixel; descr.drawable = (Pixmap)bmp->physBitmap; descr.gc = BITMAP_GC(bmp); descr.width = bmp->bitmap.bmWidth; descr.height = bmp->bitmap.bmHeight; descr.xDest = 0; descr.yDest = 0; descr.xSrc = 0; descr.sizeImage = info->bmiHeader.biSizeImage; if (descr.lines > 0) { descr.ySrc = (descr.height-1) - (startscan + (lines-1)); } else { descr.ySrc = startscan; } #ifdef HAVE_LIBXXSHM descr.useShm = dib ? (dib->shminfo.shmid != -1) : FALSE; #else descr.useShm = FALSE; #endif descr.dibpitch = dib ? (dib->dibSection.dsBm.bmWidthBytes) : (((descr.infoWidth * descr.infoBpp + 31) &~31) / 8); X11DRV_DIB_Lock(bmp, DIB_Status_GdiMod, FALSE); X11DRV_DIB_GetImageBits( &descr ); X11DRV_DIB_Unlock(bmp, TRUE); if(info->bmiHeader.biSizeImage == 0) /* Fill in biSizeImage */ info->bmiHeader.biSizeImage = X11DRV_DIB_GetDIBWidthBytes( info->bmiHeader.biWidth, info->bmiHeader.biBitCount ) * abs( info->bmiHeader.biHeight ); if (descr.compression == BI_BITFIELDS) { *(DWORD *)info->bmiColors = descr.rMask; *((DWORD *)info->bmiColors+1) = descr.gMask; *((DWORD *)info->bmiColors+2) = descr.bMask; } else { /* if RLE or JPEG compression were supported, * this line would be invalid. */ info->bmiHeader.biCompression = 0; } if(descr.colorMap && descr.colorMap != info->bmiColors) HeapFree(GetProcessHeap(), 0, descr.colorMap); done: GDI_ReleaseObj( hbitmap ); return lines; } /*********************************************************************** * DIB_DoProtectDIBSection */ static void X11DRV_DIB_DoProtectDIBSection( BITMAPOBJ *bmp, DWORD new_prot ) { DWORD old_prot; INT totalSize; DIBSECTION *dib = bmp->dib; INT effHeight = dib->dsBm.bmHeight >= 0? dib->dsBm.bmHeight : -dib->dsBm.bmHeight; /* use the biSizeImage data as the memory size only if we're dealing with a compressed image where the value is set. Otherwise, calculate based on width * height */ if (dib->dsBmih.biSizeImage && (dib->dsBmih.biCompression == BI_RLE4 || dib->dsBmih.biCompression == BI_RLE8)) totalSize = dib->dsBmih.biSizeImage; else totalSize = dib->dsBm.bmWidthBytes * effHeight; VirtualProtect(dib->dsBm.bmBits, totalSize, new_prot, &old_prot); TRACE("Changed protection from %ld to %ld\n", old_prot, new_prot); } /*********************************************************************** * X11DRV_DIB_DoUpdateDIBSection */ static void X11DRV_DIB_DoCopyDIBSection(BITMAPOBJ *bmp, BOOL toDIB, void *colorMap, int nColorMap, Drawable dest, DWORD xSrc, DWORD ySrc, DWORD xDest, DWORD yDest, DWORD width, DWORD height) { X11DRV_DIBSECTION *dib = (X11DRV_DIBSECTION *) bmp->dib; X11DRV_DIB_IMAGEBITS_DESCR descr; if (DIB_GetBitmapInfo( &dib->dibSection.dsBmih, &descr.infoWidth, &descr.lines, &descr.infoBpp, &descr.compression ) == -1) return; descr.physDev = NULL; descr.palentry = NULL; descr.image = dib->image; descr.colorMap = colorMap; descr.nColorMap = nColorMap; descr.bits = dib->dibSection.dsBm.bmBits; descr.depth = bmp->bitmap.bmBitsPixel; switch (descr.infoBpp) { case 1: case 4: case 8: descr.rMask = descr.gMask = descr.bMask = 0; break; case 15: case 16: descr.rMask = (descr.compression == BI_BITFIELDS) ? dib->dibSection.dsBitfields[0] : 0x7c00; descr.gMask = (descr.compression == BI_BITFIELDS) ? dib->dibSection.dsBitfields[1] : 0x03e0; descr.bMask = (descr.compression == BI_BITFIELDS) ? dib->dibSection.dsBitfields[2] : 0x001f; break; case 24: case 32: descr.rMask = (descr.compression == BI_BITFIELDS) ? dib->dibSection.dsBitfields[0] : 0xff0000; descr.gMask = (descr.compression == BI_BITFIELDS) ? dib->dibSection.dsBitfields[1] : 0x00ff00; descr.bMask = (descr.compression == BI_BITFIELDS) ? dib->dibSection.dsBitfields[2] : 0x0000ff; break; } /* Hack for now */ descr.drawable = dest; descr.gc = BITMAP_GC(bmp); descr.xSrc = xSrc; descr.ySrc = ySrc; descr.xDest = xDest; descr.yDest = yDest; descr.width = width; descr.height = height; descr.sizeImage = 0; #ifdef HAVE_LIBXXSHM descr.useShm = (dib->shminfo.shmid != -1); #else descr.useShm = FALSE; #endif descr.dibpitch = dib->dibSection.dsBm.bmWidthBytes; if (toDIB) { TRACE("Copying from Pixmap to DIB bits\n"); X11DRV_DIB_GetImageBits( &descr ); } else { TRACE("Copying from DIB bits to Pixmap\n"); X11DRV_DIB_SetImageBits( &descr ); } } /*********************************************************************** * X11DRV_DIB_CopyDIBSection */ void X11DRV_DIB_CopyDIBSection(X11DRV_PDEVICE *physDevSrc, X11DRV_PDEVICE *physDevDst, DWORD xSrc, DWORD ySrc, DWORD xDest, DWORD yDest, DWORD width, DWORD height) { BITMAPOBJ *bmp; HBITMAP hBitmap; int nColorMap = 0, *colorMap = NULL, aColorMap = FALSE; TRACE("(%p,%p,%ld,%ld,%ld,%ld,%ld,%ld)\n", physDevSrc->hdc, physDevDst->hdc, xSrc, ySrc, xDest, yDest, width, height); /* this function is meant as an optimization for BitBlt, * not to be called otherwise */ if (GetObjectType( physDevSrc->hdc ) != OBJ_MEMDC) { ERR("called for non-memory source DC!?\n"); return; } hBitmap = GetCurrentObject( physDevSrc->hdc, OBJ_BITMAP ); bmp = (BITMAPOBJ *)GDI_GetObjPtr( hBitmap, BITMAP_MAGIC ); if (!(bmp && bmp->dib)) { ERR("called for non-DIBSection!?\n"); GDI_ReleaseObj( hBitmap ); return; } /* while BitBlt should already have made sure we only get * positive values, we should check for oversize values */ if ((xSrc < bmp->bitmap.bmWidth) && (ySrc < bmp->bitmap.bmHeight)) { if (xSrc + width > bmp->bitmap.bmWidth) width = bmp->bitmap.bmWidth - xSrc; if (ySrc + height > bmp->bitmap.bmHeight) height = bmp->bitmap.bmHeight - ySrc; /* if the source bitmap is 8bpp or less, we're supposed to use the * DC's palette for color conversion (not the DIB color table) */ if (bmp->dib->dsBm.bmBitsPixel <= 8) { X11DRV_DIBSECTION *dib = (X11DRV_DIBSECTION *) bmp->dib; HPALETTE hPalette = GetCurrentObject( physDevSrc->hdc, OBJ_PAL ); if (!hPalette || (hPalette == GetStockObject(DEFAULT_PALETTE))) { /* HACK: no palette has been set in the source DC, * use the DIB colormap instead - this is necessary in some * cases since we need to do depth conversion in some places * where real Windows can just copy data straight over */ colorMap = dib->colorMap; nColorMap = dib->nColorMap; } else { colorMap = X11DRV_DIB_BuildColorMap( physDevSrc, (WORD)-1, bmp->dib->dsBm.bmBitsPixel, (BITMAPINFO*)&(bmp->dib->dsBmih), &nColorMap ); if (colorMap) aColorMap = TRUE; } } /* perform the copy */ X11DRV_DIB_DoCopyDIBSection(bmp, FALSE, colorMap, nColorMap, physDevDst->drawable, xSrc, ySrc, physDevDst->org.x + xDest, physDevDst->org.y + yDest, width, height); /* free color mapping */ if (aColorMap) HeapFree(GetProcessHeap(), 0, colorMap); } GDI_ReleaseObj( hBitmap ); } /*********************************************************************** * X11DRV_DIB_DoUpdateDIBSection */ static void X11DRV_DIB_DoUpdateDIBSection(BITMAPOBJ *bmp, BOOL toDIB) { X11DRV_DIBSECTION *dib = (X11DRV_DIBSECTION *) bmp->dib; X11DRV_DIB_DoCopyDIBSection(bmp, toDIB, dib->colorMap, dib->nColorMap, (Drawable)bmp->physBitmap, 0, 0, 0, 0, bmp->bitmap.bmWidth, bmp->bitmap.bmHeight); } /*********************************************************************** * X11DRV_DIB_FaultHandler */ static BOOL X11DRV_DIB_FaultHandler( LPVOID res, LPCVOID addr ) { BITMAPOBJ *bmp; INT state; bmp = (BITMAPOBJ *)GDI_GetObjPtr( (HBITMAP)res, BITMAP_MAGIC ); if (!bmp) return FALSE; state = X11DRV_DIB_Lock(bmp, DIB_Status_None, FALSE); if (state != DIB_Status_InSync) { /* no way to tell whether app needs read or write yet, * try read first */ X11DRV_DIB_Coerce(bmp, DIB_Status_InSync, FALSE); } else { /* hm, apparently the app must have write access */ X11DRV_DIB_Coerce(bmp, DIB_Status_AppMod, FALSE); } X11DRV_DIB_Unlock(bmp, TRUE); GDI_ReleaseObj( (HBITMAP)res ); return TRUE; } /*********************************************************************** * X11DRV_DIB_Coerce */ INT X11DRV_DIB_Coerce(BITMAPOBJ *bmp, INT req, BOOL lossy) { X11DRV_DIBSECTION *dib = (X11DRV_DIBSECTION *) bmp->dib; INT ret = DIB_Status_None; if (dib) { EnterCriticalSection(&(dib->lock)); ret = dib->status; switch (req) { case DIB_Status_GdiMod: /* GDI access - request to draw on pixmap */ switch (dib->status) { default: case DIB_Status_None: dib->p_status = DIB_Status_GdiMod; X11DRV_DIB_DoUpdateDIBSection( bmp, FALSE ); break; case DIB_Status_GdiMod: TRACE("GdiMod requested in status GdiMod\n" ); break; case DIB_Status_InSync: TRACE("GdiMod requested in status InSync\n" ); X11DRV_DIB_DoProtectDIBSection( bmp, PAGE_NOACCESS ); dib->status = DIB_Status_GdiMod; dib->p_status = DIB_Status_InSync; break; case DIB_Status_AuxMod: TRACE("GdiMod requested in status AuxMod\n" ); if (lossy) dib->status = DIB_Status_GdiMod; else (*dib->copy_aux)(dib->aux_ctx, DIB_Status_GdiMod); dib->p_status = DIB_Status_AuxMod; if (dib->status != DIB_Status_AppMod) { X11DRV_DIB_DoProtectDIBSection( bmp, PAGE_NOACCESS ); break; } /* fall through if copy_aux() had to change to AppMod state */ case DIB_Status_AppMod: TRACE("GdiMod requested in status AppMod\n" ); if (!lossy) { /* make it readonly to avoid app changing data while we copy */ X11DRV_DIB_DoProtectDIBSection( bmp, PAGE_READONLY ); X11DRV_DIB_DoUpdateDIBSection( bmp, FALSE ); } X11DRV_DIB_DoProtectDIBSection( bmp, PAGE_NOACCESS ); dib->p_status = DIB_Status_AppMod; dib->status = DIB_Status_GdiMod; break; } break; case DIB_Status_InSync: /* App access - request access to read DIB surface */ /* (typically called from signal handler) */ switch (dib->status) { default: case DIB_Status_None: /* shouldn't happen from signal handler */ break; case DIB_Status_AuxMod: TRACE("InSync requested in status AuxMod\n" ); if (lossy) dib->status = DIB_Status_InSync; else { X11DRV_DIB_DoProtectDIBSection( bmp, PAGE_READWRITE ); (*dib->copy_aux)(dib->aux_ctx, DIB_Status_InSync); } if (dib->status != DIB_Status_GdiMod) { X11DRV_DIB_DoProtectDIBSection( bmp, PAGE_READONLY ); break; } /* fall through if copy_aux() had to change to GdiMod state */ case DIB_Status_GdiMod: TRACE("InSync requested in status GdiMod\n" ); if (!lossy) { X11DRV_DIB_DoProtectDIBSection( bmp, PAGE_READWRITE ); X11DRV_DIB_DoUpdateDIBSection( bmp, TRUE ); } X11DRV_DIB_DoProtectDIBSection( bmp, PAGE_READONLY ); dib->status = DIB_Status_InSync; break; case DIB_Status_InSync: TRACE("InSync requested in status InSync\n" ); /* shouldn't happen from signal handler */ break; case DIB_Status_AppMod: TRACE("InSync requested in status AppMod\n" ); /* no reason to do anything here, and this * shouldn't happen from signal handler */ break; } break; case DIB_Status_AppMod: /* App access - request access to write DIB surface */ /* (typically called from signal handler) */ switch (dib->status) { default: case DIB_Status_None: /* shouldn't happen from signal handler */ break; case DIB_Status_AuxMod: TRACE("AppMod requested in status AuxMod\n" ); X11DRV_DIB_DoProtectDIBSection( bmp, PAGE_READWRITE ); if (lossy) dib->status = DIB_Status_AppMod; else (*dib->copy_aux)(dib->aux_ctx, DIB_Status_AppMod); if (dib->status != DIB_Status_GdiMod) break; /* fall through if copy_aux() had to change to GdiMod state */ case DIB_Status_GdiMod: TRACE("AppMod requested in status GdiMod\n" ); X11DRV_DIB_DoProtectDIBSection( bmp, PAGE_READWRITE ); if (!lossy) X11DRV_DIB_DoUpdateDIBSection( bmp, TRUE ); dib->status = DIB_Status_AppMod; break; case DIB_Status_InSync: TRACE("AppMod requested in status InSync\n" ); X11DRV_DIB_DoProtectDIBSection( bmp, PAGE_READWRITE ); dib->status = DIB_Status_AppMod; break; case DIB_Status_AppMod: TRACE("AppMod requested in status AppMod\n" ); /* shouldn't happen from signal handler */ break; } break; case DIB_Status_AuxMod: if (dib->status == DIB_Status_None) { dib->p_status = req; } else { if (dib->status != DIB_Status_AuxMod) dib->p_status = dib->status; dib->status = DIB_Status_AuxMod; } break; /* it is up to the caller to do the copy/conversion, probably * using the return value to decide where to copy from */ } LeaveCriticalSection(&(dib->lock)); } return ret; } /*********************************************************************** * X11DRV_DIB_Lock */ INT X11DRV_DIB_Lock(BITMAPOBJ *bmp, INT req, BOOL lossy) { X11DRV_DIBSECTION *dib = (X11DRV_DIBSECTION *) bmp->dib; INT ret = DIB_Status_None; if (dib) { TRACE("Locking %p from thread %04lx\n", bmp, GetCurrentThreadId()); EnterCriticalSection(&(dib->lock)); ret = dib->status; if (req != DIB_Status_None) X11DRV_DIB_Coerce(bmp, req, lossy); } return ret; } /*********************************************************************** * X11DRV_DIB_Unlock */ void X11DRV_DIB_Unlock(BITMAPOBJ *bmp, BOOL commit) { X11DRV_DIBSECTION *dib = (X11DRV_DIBSECTION *) bmp->dib; if (dib) { switch (dib->status) { default: case DIB_Status_None: /* in case anyone is wondering, this is the "signal handler doesn't * work" case, where we always have to be ready for app access */ if (commit) { switch (dib->p_status) { case DIB_Status_AuxMod: TRACE("Unlocking and syncing from AuxMod\n" ); (*dib->copy_aux)(dib->aux_ctx, DIB_Status_AppMod); if (dib->status != DIB_Status_None) { dib->p_status = dib->status; dib->status = DIB_Status_None; } if (dib->p_status != DIB_Status_GdiMod) break; /* fall through if copy_aux() had to change to GdiMod state */ case DIB_Status_GdiMod: TRACE("Unlocking and syncing from GdiMod\n" ); X11DRV_DIB_DoUpdateDIBSection( bmp, TRUE ); break; default: TRACE("Unlocking without needing to sync\n" ); break; } } else TRACE("Unlocking with no changes\n"); dib->p_status = DIB_Status_None; break; case DIB_Status_GdiMod: TRACE("Unlocking in status GdiMod\n" ); /* DIB was protected in Coerce */ if (!commit) { /* no commit, revert to InSync if applicable */ if ((dib->p_status == DIB_Status_InSync) || (dib->p_status == DIB_Status_AppMod)) { X11DRV_DIB_DoProtectDIBSection( bmp, PAGE_READONLY ); dib->status = DIB_Status_InSync; } } break; case DIB_Status_InSync: TRACE("Unlocking in status InSync\n" ); /* DIB was already protected in Coerce */ break; case DIB_Status_AppMod: TRACE("Unlocking in status AppMod\n" ); /* DIB was already protected in Coerce */ /* this case is ordinary only called from the signal handler, * so we don't bother to check for !commit */ break; case DIB_Status_AuxMod: TRACE("Unlocking in status AuxMod\n" ); if (commit) { /* DIB may need protection now */ if ((dib->p_status == DIB_Status_InSync) || (dib->p_status == DIB_Status_AppMod)) X11DRV_DIB_DoProtectDIBSection( bmp, PAGE_NOACCESS ); } else { /* no commit, revert to previous state */ if (dib->p_status != DIB_Status_None) dib->status = dib->p_status; /* no protections changed */ } dib->p_status = DIB_Status_None; break; } LeaveCriticalSection(&(dib->lock)); TRACE("Unlocked %p\n", bmp); } } /*********************************************************************** * X11DRV_CoerceDIBSection2 */ INT X11DRV_CoerceDIBSection2(HBITMAP hBmp, INT req, BOOL lossy) { BITMAPOBJ *bmp; INT ret; bmp = (BITMAPOBJ *)GDI_GetObjPtr( hBmp, BITMAP_MAGIC ); if (!bmp) return DIB_Status_None; ret = X11DRV_DIB_Coerce(bmp, req, lossy); GDI_ReleaseObj( hBmp ); return ret; } /*********************************************************************** * X11DRV_LockDIBSection2 */ INT X11DRV_LockDIBSection2(HBITMAP hBmp, INT req, BOOL lossy) { BITMAPOBJ *bmp; INT ret; bmp = (BITMAPOBJ *)GDI_GetObjPtr( hBmp, BITMAP_MAGIC ); if (!bmp) return DIB_Status_None; ret = X11DRV_DIB_Lock(bmp, req, lossy); GDI_ReleaseObj( hBmp ); return ret; } /*********************************************************************** * X11DRV_UnlockDIBSection2 */ void X11DRV_UnlockDIBSection2(HBITMAP hBmp, BOOL commit) { BITMAPOBJ *bmp; bmp = (BITMAPOBJ *)GDI_GetObjPtr( hBmp, BITMAP_MAGIC ); if (!bmp) return; X11DRV_DIB_Unlock(bmp, commit); GDI_ReleaseObj( hBmp ); } /*********************************************************************** * X11DRV_CoerceDIBSection */ INT X11DRV_CoerceDIBSection(X11DRV_PDEVICE *physDev, INT req, BOOL lossy) { if (!physDev) return DIB_Status_None; return X11DRV_CoerceDIBSection2( GetCurrentObject( physDev->hdc, OBJ_BITMAP ), req, lossy ); } /*********************************************************************** * X11DRV_LockDIBSection */ INT X11DRV_LockDIBSection(X11DRV_PDEVICE *physDev, INT req, BOOL lossy) { if (!physDev) return DIB_Status_None; if (GetObjectType( physDev->hdc ) != OBJ_MEMDC) return DIB_Status_None; return X11DRV_LockDIBSection2( GetCurrentObject( physDev->hdc, OBJ_BITMAP ), req, lossy ); } /*********************************************************************** * X11DRV_UnlockDIBSection */ void X11DRV_UnlockDIBSection(X11DRV_PDEVICE *physDev, BOOL commit) { if (!physDev) return; if (GetObjectType( physDev->hdc ) != OBJ_MEMDC) return; X11DRV_UnlockDIBSection2( GetCurrentObject( physDev->hdc, OBJ_BITMAP ), commit ); } #ifdef HAVE_LIBXXSHM /*********************************************************************** * X11DRV_XShmErrorHandler * */ static int XShmErrorHandler( Display *dpy, XErrorEvent *event, void *arg ) { return 1; /* FIXME: should check event contents */ } /*********************************************************************** * X11DRV_XShmCreateImage * */ static XImage *X11DRV_XShmCreateImage( int width, int height, int bpp, XShmSegmentInfo* shminfo) { XImage *image; image = XShmCreateImage(gdi_display, visual, bpp, ZPixmap, NULL, shminfo, width, height); if (image) { shminfo->shmid = shmget(IPC_PRIVATE, image->bytes_per_line * height, IPC_CREAT|0700); if( shminfo->shmid != -1 ) { shminfo->shmaddr = image->data = shmat(shminfo->shmid, 0, 0); if( shminfo->shmaddr != (char*)-1 ) { BOOL ok; shminfo->readOnly = FALSE; X11DRV_expect_error( gdi_display, XShmErrorHandler, NULL ); ok = (XShmAttach( gdi_display, shminfo ) != 0); XSync( gdi_display, False ); if (X11DRV_check_error()) ok = FALSE; if (ok) { shmctl(shminfo->shmid, IPC_RMID, 0); return image; /* Success! */ } /* An error occurred */ shmdt(shminfo->shmaddr); } shmctl(shminfo->shmid, IPC_RMID, 0); } XFlush(gdi_display); XDestroyImage(image); image = NULL; } return image; } #endif /* HAVE_LIBXXSHM */ /*********************************************************************** * X11DRV_DIB_CreateDIBSection */ HBITMAP X11DRV_DIB_CreateDIBSection( X11DRV_PDEVICE *physDev, const BITMAPINFO *bmi, UINT usage, VOID **bits, HANDLE section, DWORD offset, DWORD ovr_pitch) { HBITMAP res = 0; BITMAPOBJ *bmp = NULL; X11DRV_DIBSECTION *dib = NULL; int *colorMap = NULL; int nColorMap; /* Fill BITMAP32 structure with DIB data */ const BITMAPINFOHEADER *bi = &bmi->bmiHeader; INT effHeight, totalSize; BITMAP bm; LPVOID mapBits = NULL; TRACE("format (%ld,%ld), planes %d, bpp %d, size %ld, colors %ld (%s)\n", bi->biWidth, bi->biHeight, bi->biPlanes, bi->biBitCount, bi->biSizeImage, bi->biClrUsed, usage == DIB_PAL_COLORS? "PAL" : "RGB"); effHeight = bi->biHeight >= 0 ? bi->biHeight : -bi->biHeight; bm.bmType = 0; bm.bmWidth = bi->biWidth; bm.bmHeight = effHeight; bm.bmWidthBytes = ovr_pitch ? ovr_pitch : X11DRV_DIB_GetDIBWidthBytes(bm.bmWidth, bi->biBitCount); bm.bmPlanes = bi->biPlanes; bm.bmBitsPixel = bi->biBitCount; bm.bmBits = NULL; /* Get storage location for DIB bits. Only use biSizeImage if it's valid and we're dealing with a compressed bitmap. Otherwise, use width * height. */ if (bi->biSizeImage && (bi->biCompression == BI_RLE4 || bi->biCompression == BI_RLE8)) totalSize = bi->biSizeImage; else totalSize = bm.bmWidthBytes * effHeight; if (section) { SYSTEM_INFO SystemInfo; DWORD mapOffset; INT mapSize; GetSystemInfo( &SystemInfo ); mapOffset = offset - (offset % SystemInfo.dwAllocationGranularity); mapSize = totalSize + (offset - mapOffset); mapBits = MapViewOfFile( section, FILE_MAP_ALL_ACCESS, 0L, mapOffset, mapSize ); bm.bmBits = (char *)mapBits + (offset - mapOffset); } else if (ovr_pitch && offset) bm.bmBits = (LPVOID) offset; else { offset = 0; bm.bmBits = VirtualAlloc(NULL, totalSize, MEM_RESERVE|MEM_COMMIT, PAGE_READWRITE); } /* Create Color Map */ if (bm.bmBits && bm.bmBitsPixel <= 8) colorMap = X11DRV_DIB_BuildColorMap( usage == DIB_PAL_COLORS? physDev : NULL, usage, bm.bmBitsPixel, bmi, &nColorMap ); /* Allocate Memory for DIB and fill structure */ if (bm.bmBits) dib = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(X11DRV_DIBSECTION)); if (dib) { dib->dibSection.dsBm = bm; dib->dibSection.dsBmih = *bi; dib->dibSection.dsBmih.biSizeImage = totalSize; /* Set dsBitfields values */ if ( usage == DIB_PAL_COLORS || bi->biBitCount <= 8) { dib->dibSection.dsBitfields[0] = dib->dibSection.dsBitfields[1] = dib->dibSection.dsBitfields[2] = 0; } else switch( bi->biBitCount ) { case 15: case 16: dib->dibSection.dsBitfields[0] = (bi->biCompression == BI_BITFIELDS) ? *(DWORD *)bmi->bmiColors : 0x7c00; dib->dibSection.dsBitfields[1] = (bi->biCompression == BI_BITFIELDS) ? *((DWORD *)bmi->bmiColors + 1) : 0x03e0; dib->dibSection.dsBitfields[2] = (bi->biCompression == BI_BITFIELDS) ? *((DWORD *)bmi->bmiColors + 2) : 0x001f; break; case 24: case 32: dib->dibSection.dsBitfields[0] = (bi->biCompression == BI_BITFIELDS) ? *(DWORD *)bmi->bmiColors : 0xff0000; dib->dibSection.dsBitfields[1] = (bi->biCompression == BI_BITFIELDS) ? *((DWORD *)bmi->bmiColors + 1) : 0x00ff00; dib->dibSection.dsBitfields[2] = (bi->biCompression == BI_BITFIELDS) ? *((DWORD *)bmi->bmiColors + 2) : 0x0000ff; break; } dib->dibSection.dshSection = section; dib->dibSection.dsOffset = offset; dib->status = DIB_Status_None; dib->nColorMap = nColorMap; dib->colorMap = colorMap; } /* Create Device Dependent Bitmap and add DIB pointer */ if (dib) { res = CreateDIBitmap(physDev->hdc, bi, 0, NULL, bmi, usage); if (res) { bmp = (BITMAPOBJ *) GDI_GetObjPtr(res, BITMAP_MAGIC); if (bmp) bmp->dib = (DIBSECTION *) dib; } } /* Create XImage */ if (dib && bmp) { wine_tsx11_lock(); #ifdef HAVE_LIBXXSHM if (XShmQueryExtension(gdi_display) && (dib->image = X11DRV_XShmCreateImage( bm.bmWidth, effHeight, bmp->bitmap.bmBitsPixel, &dib->shminfo )) ) { ; /* Created Image */ } else { dib->image = X11DRV_DIB_CreateXImage( bm.bmWidth, effHeight, bmp->bitmap.bmBitsPixel ); dib->shminfo.shmid = -1; } #else dib->image = X11DRV_DIB_CreateXImage( bm.bmWidth, effHeight, bmp->bitmap.bmBitsPixel ); #endif wine_tsx11_unlock(); } /* Clean up in case of errors */ if (!res || !bmp || !dib || !bm.bmBits || (bm.bmBitsPixel <= 8 && !colorMap)) { TRACE("got an error res=%p, bmp=%p, dib=%p, bm.bmBits=%p\n", res, bmp, dib, bm.bmBits); if (bm.bmBits) { if (section) UnmapViewOfFile(mapBits), bm.bmBits = NULL; else if (!offset) VirtualFree(bm.bmBits, 0L, MEM_RELEASE), bm.bmBits = NULL; } if (dib && dib->image) { XDestroyImage(dib->image); dib->image = NULL; } if (colorMap) { HeapFree(GetProcessHeap(), 0, colorMap); colorMap = NULL; } if (dib) { HeapFree(GetProcessHeap(), 0, dib); dib = NULL; } if (bmp) { GDI_ReleaseObj(res); bmp = NULL; } if (res) { DeleteObject(res); res = 0; } } else if (bm.bmBits) { extern BOOL VIRTUAL_SetFaultHandler(LPCVOID addr, BOOL (*proc)(LPVOID, LPCVOID), LPVOID arg); /* Install fault handler, if possible */ InitializeCriticalSection(&(dib->lock)); if (VIRTUAL_SetFaultHandler(bm.bmBits, X11DRV_DIB_FaultHandler, (LPVOID)res)) { X11DRV_DIB_DoProtectDIBSection( bmp, PAGE_READWRITE ); if (dib) dib->status = DIB_Status_AppMod; } } /* Return BITMAP handle and storage location */ if (bmp) GDI_ReleaseObj(res); if (bm.bmBits && bits) *bits = bm.bmBits; return res; } /*********************************************************************** * X11DRV_DIB_DeleteDIBSection */ void X11DRV_DIB_DeleteDIBSection(BITMAPOBJ *bmp) { X11DRV_DIBSECTION *dib = (X11DRV_DIBSECTION *) bmp->dib; if (dib->image) { wine_tsx11_lock(); #ifdef HAVE_LIBXXSHM if (dib->shminfo.shmid != -1) { XShmDetach (gdi_display, &(dib->shminfo)); XDestroyImage (dib->image); shmdt (dib->shminfo.shmaddr); dib->shminfo.shmid = -1; } else #endif XDestroyImage( dib->image ); wine_tsx11_unlock(); } if (dib->colorMap) HeapFree(GetProcessHeap(), 0, dib->colorMap); DeleteCriticalSection(&(dib->lock)); } /*********************************************************************** * SetDIBColorTable (X11DRV.@) */ UINT X11DRV_SetDIBColorTable( X11DRV_PDEVICE *physDev, UINT start, UINT count, const RGBQUAD *colors ) { BITMAPOBJ * bmp; X11DRV_DIBSECTION *dib; UINT ret = 0; HBITMAP hBitmap = GetCurrentObject( physDev->hdc, OBJ_BITMAP ); if (!(bmp = (BITMAPOBJ*)GDI_GetObjPtr( hBitmap, BITMAP_MAGIC ))) return 0; dib = (X11DRV_DIBSECTION *) bmp->dib; if (dib && dib->colorMap) { UINT end = count + start; if (end > dib->nColorMap) end = dib->nColorMap; /* * Changing color table might change the mapping between * DIB colors and X11 colors and thus alter the visible state * of the bitmap object. */ X11DRV_DIB_Lock(bmp, DIB_Status_AppMod, FALSE); X11DRV_DIB_GenColorMap( physDev, dib->colorMap, DIB_RGB_COLORS, dib->dibSection.dsBm.bmBitsPixel, TRUE, colors, start, end ); X11DRV_DIB_Unlock(bmp, TRUE); ret = end - start; } GDI_ReleaseObj( hBitmap ); return ret; } /*********************************************************************** * GetDIBColorTable (X11DRV.@) */ UINT X11DRV_GetDIBColorTable( X11DRV_PDEVICE *physDev, UINT start, UINT count, RGBQUAD *colors ) { BITMAPOBJ * bmp; X11DRV_DIBSECTION *dib; UINT ret = 0; HBITMAP hBitmap = GetCurrentObject( physDev->hdc, OBJ_BITMAP ); if (!(bmp = (BITMAPOBJ*)GDI_GetObjPtr( hBitmap, BITMAP_MAGIC ))) return 0; dib = (X11DRV_DIBSECTION *) bmp->dib; if (dib && dib->colorMap) { UINT i, end = count + start; if (end > dib->nColorMap) end = dib->nColorMap; for (i = start; i < end; i++,colors++) { COLORREF col = X11DRV_PALETTE_ToLogical( dib->colorMap[i] ); colors->rgbBlue = GetBValue(col); colors->rgbGreen = GetGValue(col); colors->rgbRed = GetRValue(col); colors->rgbReserved = 0; } ret = end-start; } GDI_ReleaseObj( hBitmap ); return ret; } /*********************************************************************** * X11DRV_DIB_CreateDIBFromBitmap * * Allocates a packed DIB and copies the bitmap data into it. */ HGLOBAL X11DRV_DIB_CreateDIBFromBitmap(HDC hdc, HBITMAP hBmp) { BITMAP bmp; HGLOBAL hPackedDIB; LPBYTE pPackedDIB; LPBITMAPINFOHEADER pbmiHeader; unsigned int cDataSize, cPackedSize, OffsetBits; int nLinesCopied; if (!GetObjectW( hBmp, sizeof(bmp), &bmp )) return 0; /* * A packed DIB contains a BITMAPINFO structure followed immediately by * an optional color palette and the pixel data. */ /* Calculate the size of the packed DIB */ cDataSize = X11DRV_DIB_GetDIBWidthBytes( bmp.bmWidth, bmp.bmBitsPixel ) * abs( bmp.bmHeight ); cPackedSize = sizeof(BITMAPINFOHEADER) + ( (bmp.bmBitsPixel <= 8) ? (sizeof(RGBQUAD) * (1 << bmp.bmBitsPixel)) : 0 ) + cDataSize; /* Get the offset to the bits */ OffsetBits = cPackedSize - cDataSize; /* Allocate the packed DIB */ TRACE("\tAllocating packed DIB of size %d\n", cPackedSize); hPackedDIB = GlobalAlloc(GMEM_MOVEABLE | GMEM_DDESHARE /*| GMEM_ZEROINIT*/, cPackedSize ); if ( !hPackedDIB ) { WARN("Could not allocate packed DIB!\n"); return 0; } /* A packed DIB starts with a BITMAPINFOHEADER */ pPackedDIB = GlobalLock(hPackedDIB); pbmiHeader = (LPBITMAPINFOHEADER)pPackedDIB; /* Init the BITMAPINFOHEADER */ pbmiHeader->biSize = sizeof(BITMAPINFOHEADER); pbmiHeader->biWidth = bmp.bmWidth; pbmiHeader->biHeight = bmp.bmHeight; pbmiHeader->biPlanes = 1; pbmiHeader->biBitCount = bmp.bmBitsPixel; pbmiHeader->biCompression = BI_RGB; pbmiHeader->biSizeImage = 0; pbmiHeader->biXPelsPerMeter = pbmiHeader->biYPelsPerMeter = 0; pbmiHeader->biClrUsed = 0; pbmiHeader->biClrImportant = 0; /* Retrieve the DIB bits from the bitmap and fill in the * DIB color table if present */ nLinesCopied = GetDIBits(hdc, /* Handle to device context */ hBmp, /* Handle to bitmap */ 0, /* First scan line to set in dest bitmap */ bmp.bmHeight, /* Number of scan lines to copy */ pPackedDIB + OffsetBits, /* [out] Address of array for bitmap bits */ (LPBITMAPINFO) pbmiHeader, /* [out] Address of BITMAPINFO structure */ 0); /* RGB or palette index */ GlobalUnlock(hPackedDIB); /* Cleanup if GetDIBits failed */ if (nLinesCopied != bmp.bmHeight) { TRACE("\tGetDIBits returned %d. Actual lines=%d\n", nLinesCopied, bmp.bmHeight); GlobalFree(hPackedDIB); hPackedDIB = 0; } return hPackedDIB; } /************************************************************************** * X11DRV_DIB_CreateDIBFromPixmap * * Allocates a packed DIB and copies the Pixmap data into it. * If bDeletePixmap is TRUE, the Pixmap passed in is deleted after the conversion. */ HGLOBAL X11DRV_DIB_CreateDIBFromPixmap(Pixmap pixmap, HDC hdc, BOOL bDeletePixmap) { HBITMAP hBmp = 0; BITMAPOBJ *pBmp = NULL; HGLOBAL hPackedDIB = 0; /* Allocates an HBITMAP which references the Pixmap passed to us */ hBmp = X11DRV_BITMAP_CreateBitmapHeaderFromPixmap(hdc, pixmap); if (!hBmp) { TRACE("\tCould not create bitmap header for Pixmap\n"); goto END; } /* * Create a packed DIB from the Pixmap wrapper bitmap created above. * A packed DIB contains a BITMAPINFO structure followed immediately by * an optional color palette and the pixel data. */ hPackedDIB = X11DRV_DIB_CreateDIBFromBitmap(hdc, hBmp); /* Get a pointer to the BITMAPOBJ structure */ pBmp = (BITMAPOBJ *)GDI_GetObjPtr( hBmp, BITMAP_MAGIC ); /* We can now get rid of the HBITMAP wrapper we created earlier. * Note: Simply calling DeleteObject will free the embedded Pixmap as well. */ if (!bDeletePixmap) { /* Clear the physBitmap to prevent the Pixmap from being deleted by DeleteObject */ pBmp->physBitmap = NULL; pBmp->funcs = NULL; } GDI_ReleaseObj( hBmp ); DeleteObject(hBmp); END: TRACE("\tReturning packed DIB %p\n", hPackedDIB); return hPackedDIB; } /************************************************************************** * X11DRV_DIB_CreatePixmapFromDIB * * Creates a Pixmap from a packed DIB */ Pixmap X11DRV_DIB_CreatePixmapFromDIB( HGLOBAL hPackedDIB, HDC hdc ) { Pixmap pixmap = None; HBITMAP hBmp = 0; BITMAPOBJ *pBmp = NULL; LPBYTE pPackedDIB = NULL; LPBITMAPINFO pbmi = NULL; LPBITMAPINFOHEADER pbmiHeader = NULL; LPBYTE pbits = NULL; /* Get a pointer to the packed DIB's data */ pPackedDIB = (LPBYTE)GlobalLock(hPackedDIB); pbmiHeader = (LPBITMAPINFOHEADER)pPackedDIB; pbmi = (LPBITMAPINFO)pPackedDIB; pbits = (LPBYTE)(pPackedDIB + X11DRV_DIB_BitmapInfoSize( (LPBITMAPINFO)pbmiHeader, DIB_RGB_COLORS )); /* Create a DDB from the DIB */ hBmp = CreateDIBitmap(hdc, pbmiHeader, CBM_INIT, (LPVOID)pbits, pbmi, DIB_RGB_COLORS); GlobalUnlock(hPackedDIB); TRACE("CreateDIBitmap returned %p\n", hBmp); /* Retrieve the internal Pixmap from the DDB */ pBmp = (BITMAPOBJ *) GDI_GetObjPtr( hBmp, BITMAP_MAGIC ); pixmap = (Pixmap)pBmp->physBitmap; /* clear the physBitmap so that we can steal its pixmap */ pBmp->physBitmap = NULL; pBmp->funcs = NULL; /* Delete the DDB we created earlier now that we have stolen its pixmap */ GDI_ReleaseObj( hBmp ); DeleteObject(hBmp); TRACE("\tReturning Pixmap %ld\n", pixmap); return pixmap; }