/* * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA */ #include "config.h" #include "wine/port.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 "wingdi.h" #include "x11drv.h" #include "wine/exception.h" #include "wine/debug.h" WINE_DEFAULT_DEBUG_CHANNEL(bitmap); static struct list dibs_list = LIST_INIT(dibs_list); static CRITICAL_SECTION dibs_cs; static CRITICAL_SECTION_DEBUG dibs_cs_debug = { 0, 0, &dibs_cs, { &dibs_cs_debug.ProcessLocksList, &dibs_cs_debug.ProcessLocksList }, 0, 0, { (DWORD_PTR)(__FILE__ ": dibs_cs") } }; static CRITICAL_SECTION dibs_cs = { &dibs_cs_debug, -1, 0, 0, 0, 0 }; static PVOID dibs_handler; 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; ColorShifts *shifts; 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; enum x11drv_shm_mode shm_mode; int dibpitch; DWORD sizeImage; X_PHYSBITMAP *physBitmap; } X11DRV_DIB_IMAGEBITS_DESCR; enum Rle_EscapeCodes { RLE_EOL = 0, /* End of line */ RLE_END = 1, /* End of bitmap */ RLE_DELTA = 2 /* Delta */ }; static INT X11DRV_DIB_Coerce(X_PHYSBITMAP *,INT); /* Some of the following helper functions are duplicated in dlls/gdi/dib.c */ /*********************************************************************** * DIB_DoProtectDIBSection */ static void X11DRV_DIB_DoProtectDIBSection( X_PHYSBITMAP *physBitmap, DWORD new_prot ) { DWORD old_prot; VirtualProtect(physBitmap->base, physBitmap->size, new_prot, &old_prot); TRACE("Changed protection from %d to %d\n", old_prot, new_prot); } /*********************************************************************** * X11DRV_DIB_GetXImageWidthBytes * * Return the width of an X image in bytes */ static inline 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 ) { return ((width * depth + 31) / 8) & ~3; } /*********************************************************************** * bitmap_info_size * * Return the size of the bitmap info structure including color table. */ int bitmap_info_size( const BITMAPINFO * info, WORD coloruse ) { unsigned int colors, size, masks = 0; if (info->bmiHeader.biSize == sizeof(BITMAPCOREHEADER)) { const BITMAPCOREHEADER *core = (const 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; if (info->bmiHeader.biCompression == BI_BITFIELDS) masks = 3; size = max( info->bmiHeader.biSize, sizeof(BITMAPINFOHEADER) + masks * sizeof(DWORD) ); return size + 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 = NULL; void *data; wine_tsx11_lock(); width_bytes = X11DRV_DIB_GetXImageWidthBytes( width, depth ); data = HeapAlloc( GetProcessHeap(), 0, height * width_bytes ); if (data) image = XCreateImage( gdi_display, visual, depth, ZPixmap, 0, data, width, height, 32, width_bytes ); if (!image) HeapFree( GetProcessHeap(), 0, data ); wine_tsx11_unlock(); return image; } /*********************************************************************** * X11DRV_DIB_DestroyXImage * * Destroy an X image created with X11DRV_DIB_CreateXImage. */ void X11DRV_DIB_DestroyXImage( XImage *image ) { HeapFree( GetProcessHeap(), 0, image->data ); image->data = NULL; wine_tsx11_lock(); XDestroyImage( image ); wine_tsx11_unlock(); } /*********************************************************************** * X11DRV_DIB_GetColorCount * * Computes the number of colors for the bitmap palette. * Should not be called for a >8-bit deep bitmap. */ static unsigned int X11DRV_DIB_GetColorCount(const BITMAPINFO *info) { unsigned int colors = min( info->bmiHeader.biClrUsed, 256 ); if (!colors) colors = 1 << info->bmiHeader.biBitCount; return colors; } static inline BOOL colour_is_brighter(RGBQUAD c1, RGBQUAD c2) { return (c1.rgbRed * c1.rgbRed + c1.rgbGreen * c1.rgbGreen + c1.rgbBlue * c1.rgbBlue) > (c2.rgbRed * c2.rgbRed + c2.rgbGreen * c2.rgbGreen + c2.rgbBlue * c2.rgbBlue); } /*********************************************************************** * X11DRV_DIB_GenColorMap * * Fills the color map of a bitmap palette. Should not be called * for a >8-bit deep bitmap. */ static int *X11DRV_DIB_GenColorMap( X11DRV_PDEVICE *physDev, int *colorMapping, WORD coloruse, WORD depth, const void *colorPtr, int start, int end ) { int i; if (coloruse == DIB_RGB_COLORS) { const RGBQUAD * rgb = colorPtr; if (depth == 1) /* Monochrome */ { BOOL invert = FALSE; RGBQUAD table[2]; if (GetDIBColorTable( physDev->dev.hdc, 0, 2, table ) == 2) invert = !colour_is_brighter(table[1], table[0]); for (i = start; i < end; i++, rgb++) colorMapping[i] = ((rgb->rgbRed + rgb->rgbGreen + rgb->rgbBlue > 255*3/2 && !invert) || (rgb->rgbRed + rgb->rgbGreen + rgb->rgbBlue <= 255*3/2 && invert)); } else for (i = start; i < end; i++, rgb++) colorMapping[i] = X11DRV_PALETTE_LookupPixel(physDev->color_shifts, RGB(rgb->rgbRed, rgb->rgbGreen, rgb->rgbBlue)); } else /* DIB_PAL_COLORS */ { const WORD * index = colorPtr; for (i = start; i < end; i++, index++) colorMapping[i] = X11DRV_PALETTE_ToPhysical( physDev, PALETTEINDEX(*index) ); } return colorMapping; } /*********************************************************************** * X11DRV_DIB_BuildColorMap * * Build the color map from the bitmap palette. Should not be called * for a >8-bit deep bitmap. */ static int *X11DRV_DIB_BuildColorMap( X11DRV_PDEVICE *physDev, WORD coloruse, WORD depth, const BITMAPINFO *info, int *nColors ) { const void *colorPtr; int *colorMapping; *nColors = X11DRV_DIB_GetColorCount(info); if (!*nColors) return NULL; colorPtr = (const BYTE*)info + (WORD)info->bmiHeader.biSize; if (!(colorMapping = HeapAlloc(GetProcessHeap(), 0, *nColors * sizeof(int) ))) return NULL; return X11DRV_DIB_GenColorMap( physDev, colorMapping, coloruse, depth, colorPtr, 0, *nColors); } /*********************************************************************** * X11DRV_DIB_MapColor */ static 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_CheckMask * * Check RGB mask if it is either 0 or matches visual's mask. */ static inline int X11DRV_DIB_CheckMask(int red_mask, int green_mask, int blue_mask) { return ( red_mask == 0 && green_mask == 0 && blue_mask == 0 ) || ( red_mask == visual->red_mask && green_mask == visual->green_mask && blue_mask == visual->blue_mask ); } /*********************************************************************** * 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, int 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; for (i = width/8, x = left; i > 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, int 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 (X11DRV_DIB_CheckMask(bmpImage->red_mask,bmpImage->green_mask,bmpImage->blue_mask) && 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, bmpImage->green_mask, bmpImage->blue_mask) && 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 = (const 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 = (const 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 = (const 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 = (const 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; BYTE neg = 0; unsigned long white = (1 << bmpImage->bits_per_pixel) - 1; /* ==== any bmp format -> pal 1 dib ==== */ if ((unsigned)colors[0].rgbRed+colors[0].rgbGreen+colors[0].rgbBlue >= (unsigned)colors[1].rgbRed+colors[1].rgbGreen+colors[1].rgbBlue ) neg = 1; WARN("from unknown %d bit bitmap (%lx,%lx,%lx) to 1 bit DIB, " "%s color mapping\n", bmpImage->bits_per_pixel, bmpImage->red_mask, bmpImage->green_mask, bmpImage->blue_mask, neg?"negative":"direct" ); for (h=lines-1; h>=0; h--) { BYTE dstval; dstbyte=dstbits; dstval=0; for (x=0; x= white) ^ neg) << (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, int 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, int linebytes ) { DWORD x; int h, width = min(srcwidth, dstwidth); if (lines < 0 ) { lines = -lines; dstbits = dstbits + ( linebytes * (lines-1) ); linebytes = -linebytes; } switch (bmpImage->depth) { case 1: case 4: if (X11DRV_DIB_CheckMask(bmpImage->red_mask,bmpImage->green_mask,bmpImage->blue_mask) && 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 (X11DRV_DIB_CheckMask(bmpImage->red_mask,bmpImage->green_mask,bmpImage->blue_mask) && 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 = (const 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 = (const 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 = (const 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 = (const 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_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, int 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: /* Some X servers might have 32 bit/ 16bit deep pixel */ if (lines && width && (bmpImage->bits_per_pixel == 16) && (ImageByteOrder(gdi_display)==LSBFirst) ) { /* ==== pal 8 dib -> rgb or bgr 555 or 565 bmp ==== */ dstbits=(BYTE*)bmpImage->data+left*2+(lines-1)*bmpImage->bytes_per_line; for (h = lines ; h--; ) { DWORD* dstpixel=(DWORD*)dstbits; for (x=0; xbytes_per_line; } return; } break; case 24: case 32: if (lines && width && (bmpImage->bits_per_pixel == 32) && (ImageByteOrder(gdi_display)==LSBFirst) ) { dstbits=(BYTE*)bmpImage->data+left*4+(lines-1)*bmpImage->bytes_per_line; /* ==== pal 8 dib -> rgb or bgr 0888 bmp ==== */ for (h = lines ; h--; ) { DWORD* dstpixel=(DWORD*)dstbits; for (x=0; xbytes_per_line; } return; } break; 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 (X11DRV_DIB_CheckMask(bmpImage->red_mask,bmpImage->green_mask,bmpImage->blue_mask) && 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,bmpImage->green_mask,bmpImage->blue_mask) && 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 = (const 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 = (const 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 = (const 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 = (const 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; xbyte_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 (%x,%x,%x) 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( X11DRV_PDEVICE *physDev, int lines, BYTE *dstbits, DWORD dstwidth, DWORD srcwidth, PALETTEENTRY *srccolors, DWORD rDst, DWORD gDst, DWORD bDst, XImage *bmpImage, int 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 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 (X11DRV_DIB_CheckMask(bmpImage->red_mask,bmpImage->green_mask,bmpImage->blue_mask) && 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 (X11DRV_DIB_CheckMask(bmpImage->red_mask,bmpImage->green_mask,bmpImage->blue_mask) && 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=(BYTE*)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 (%x,%x,%x)\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(physDev, 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 (%x,%x,%x) 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 format ==== */ const BYTE* srcbyte; /* Windows only supports one 24bpp DIB format: RGB888 */ srcbits+=left*3; for (h = lines - 1; h >= 0; h--) { srcbyte = 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( X11DRV_PDEVICE *physDev, 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 (X11DRV_DIB_CheckMask(bmpImage->red_mask,bmpImage->green_mask,bmpImage->blue_mask) && 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 (X11DRV_DIB_CheckMask(bmpImage->red_mask,bmpImage->green_mask,bmpImage->blue_mask) && 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[*srcpixel++]; dstbyte[0]=srcval.peBlue; dstbyte[1]=srcval.peGreen; dstbyte[2]=srcval.peRed; dstbyte+=3; } srcbits = (const 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 (%x,%x,%x)\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 (physDev, 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; 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*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 (%x,%x,%x) 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( X11DRV_PDEVICE *physDev, int lines, BYTE *dstbits, DWORD dstwidth, DWORD srcwidth, PALETTEENTRY *srccolors, DWORD rDst, DWORD gDst, DWORD bDst, XImage *bmpImage, int 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 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 (X11DRV_DIB_CheckMask(bmpImage->red_mask,bmpImage->green_mask,bmpImage->blue_mask) && 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 (X11DRV_DIB_CheckMask(bmpImage->red_mask,bmpImage->green_mask,bmpImage->blue_mask) && 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[*srcpixel++]; *dstpixel++=(srcval.peRed << rShift) | (srcval.peGreen << gShift) | (srcval.peBlue << bShift); } srcbits = (const 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 (%x,%x,%x)\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(physDev, 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; void *old_data = NULL; 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 = HeapAlloc( GetProcessHeap(), 0, lines * bmpImage->bytes_per_line ); if(bmpImage->data == NULL) { ERR("Out of memory!\n"); XDestroyImage( bmpImage ); wine_tsx11_unlock(); return 0; } if (descr->shifts) { bmpImage->red_mask = descr->shifts->physicalRed.max << descr->shifts->physicalRed.shift; bmpImage->green_mask = descr->shifts->physicalGreen.max << descr->shifts->physicalGreen.shift; bmpImage->blue_mask = descr->shifts->physicalBlue.max << descr->shifts->physicalBlue.shift; } } wine_tsx11_unlock(); TRACE("Dib: depth=%d r=%x g=%x b=%x\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); #ifdef HAVE_LIBXXSHM if (descr->shm_mode == X11DRV_SHM_PIXMAP && descr->xSrc == 0 && descr->ySrc == 0 && descr->xDest == 0 && descr->yDest == 0) { TRACE("Using the shared pixmap data.\n"); wine_tsx11_lock(); XSync( gdi_display, False ); wine_tsx11_unlock(); old_data = descr->image->data; descr->image->data = descr->physBitmap->shminfo.shmaddr; } #endif /* Transfer the pixels */ __TRY { 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: X11DRV_DIB_SetImageBits_4( descr->lines, descr->bits, descr->infoWidth, descr->width, descr->xSrc, (int*)(descr->colorMap), bmpImage, descr->dibpitch ); break; case 8: X11DRV_DIB_SetImageBits_8( descr->lines, descr->bits, descr->infoWidth, descr->width, descr->xSrc, (int *)(descr->colorMap), bmpImage, descr->dibpitch ); break; 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; } } __EXCEPT_PAGE_FAULT { WARN( "invalid bits pointer %p\n", descr->bits ); lines = 0; } __ENDTRY 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); wine_tsx11_lock(); if (lines) { #ifdef HAVE_LIBXXSHM if (descr->shm_mode == X11DRV_SHM_PIXMAP && descr->xSrc == 0 && descr->ySrc == 0 && descr->xDest == 0 && descr->yDest == 0) { XSync( gdi_display, False ); } else if (descr->shm_mode == X11DRV_SHM_IMAGE && descr->image) { 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 (old_data) descr->image->data = old_data; if (!descr->image) X11DRV_DIB_DestroyXImage( 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; void *old_data = NULL; 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 = HeapAlloc( GetProcessHeap(), 0, lines * bmpImage->bytes_per_line ); if(bmpImage->data == NULL) { ERR("Out of memory!\n"); XDestroyImage( bmpImage ); wine_tsx11_unlock(); return 0; } if (descr->shifts) { bmpImage->red_mask = descr->shifts->physicalRed.max << descr->shifts->physicalRed.shift; bmpImage->green_mask = descr->shifts->physicalGreen.max << descr->shifts->physicalGreen.shift; bmpImage->blue_mask = descr->shifts->physicalBlue.max << descr->shifts->physicalBlue.shift; } } #ifdef HAVE_LIBXXSHM /* We must not call XShmGetImage() with a bitmap which is bigger than the available area. If we do, XShmGetImage() will fail (X exception), as it checks for this internally. */ if (descr->shm_mode == X11DRV_SHM_PIXMAP && descr->image && descr->xSrc == 0 && descr->ySrc == 0 && descr->xDest == 0 && descr->yDest == 0 && bmpImage->width <= (descr->width - descr->xSrc) && bmpImage->height <= (descr->height - descr->ySrc)) { XSync( gdi_display, False ); old_data = bmpImage->data; bmpImage->data = descr->physBitmap->shminfo.shmaddr; TRACE("Using shared pixmap data.\n"); } else if (descr->shm_mode == X11DRV_SHM_IMAGE && descr->image && bmpImage->width <= (descr->width - descr->xSrc) && bmpImage->height <= (descr->height - descr->ySrc)) { 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 eliminate 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 ); } wine_tsx11_unlock(); TRACE("Dib: depth=%2d r=%x g=%x b=%x\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: X11DRV_DIB_GetImageBits_4( descr->lines,(LPVOID)descr->bits, descr->infoWidth, descr->width, descr->colorMap, descr->palentry, bmpImage, descr->dibpitch ); break; case 8: X11DRV_DIB_GetImageBits_8( descr->lines, (LPVOID)descr->bits, descr->infoWidth, descr->width, descr->colorMap, descr->palentry, bmpImage, descr->dibpitch ); break; case 16: X11DRV_DIB_GetImageBits_16( descr->physDev, 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->physDev, 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->physDev, 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 (old_data) bmpImage->data = old_data; if (!descr->image) X11DRV_DIB_DestroyXImage( bmpImage ); return lines; } /*********************************************************************** * X11DRV_DIB_DoCopyDIBSection */ static void X11DRV_DIB_DoCopyDIBSection(X_PHYSBITMAP *physBitmap, BOOL toDIB, void *colorMap, int nColorMap, Drawable dest, GC gc, DWORD xSrc, DWORD ySrc, DWORD xDest, DWORD yDest, DWORD width, DWORD height) { DIBSECTION dibSection; X11DRV_DIB_IMAGEBITS_DESCR descr; int identity[2] = {0,1}; if (!GetObjectW( physBitmap->hbitmap, sizeof(dibSection), &dibSection )) return; descr.physDev = NULL; descr.palentry = NULL; descr.infoWidth = dibSection.dsBmih.biWidth; descr.infoBpp = dibSection.dsBmih.biBitCount; descr.lines = physBitmap->topdown ? -dibSection.dsBmih.biHeight : dibSection.dsBmih.biHeight; descr.image = physBitmap->image; descr.colorMap = colorMap; descr.nColorMap = nColorMap; descr.bits = dibSection.dsBm.bmBits; descr.depth = physBitmap->depth; descr.shifts = physBitmap->trueColor ? &physBitmap->color_shifts : NULL; descr.compression = dibSection.dsBmih.biCompression; descr.physBitmap = physBitmap; if(descr.infoBpp == 1) descr.colorMap = (void*)identity; 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) ? dibSection.dsBitfields[0] : 0x7c00; descr.gMask = (descr.compression == BI_BITFIELDS) ? dibSection.dsBitfields[1] : 0x03e0; descr.bMask = (descr.compression == BI_BITFIELDS) ? dibSection.dsBitfields[2] : 0x001f; break; case 24: case 32: descr.rMask = (descr.compression == BI_BITFIELDS) ? dibSection.dsBitfields[0] : 0xff0000; descr.gMask = (descr.compression == BI_BITFIELDS) ? dibSection.dsBitfields[1] : 0x00ff00; descr.bMask = (descr.compression == BI_BITFIELDS) ? dibSection.dsBitfields[2] : 0x0000ff; break; } /* Hack for now */ descr.drawable = dest; descr.gc = gc; descr.xSrc = xSrc; descr.ySrc = ySrc; descr.xDest = xDest; descr.yDest = yDest; descr.width = width; descr.height = height; descr.sizeImage = 0; descr.shm_mode = physBitmap->shm_mode; #ifdef HAVE_LIBXXSHM if (physBitmap->shm_mode == X11DRV_SHM_PIXMAP && physBitmap->pixmap != dest) { descr.shm_mode = X11DRV_SHM_NONE; } #endif descr.dibpitch = 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_DoUpdateDIBSection */ static void X11DRV_DIB_DoUpdateDIBSection(X_PHYSBITMAP *physBitmap, BOOL toDIB) { BITMAP bitmap; GetObjectW( physBitmap->hbitmap, sizeof(bitmap), &bitmap ); X11DRV_DIB_DoCopyDIBSection(physBitmap, toDIB, physBitmap->colorMap, physBitmap->nColorMap, physBitmap->pixmap, get_bitmap_gc(physBitmap->depth), 0, 0, 0, 0, bitmap.bmWidth, bitmap.bmHeight); } /*********************************************************************** * X11DRV_DIB_FaultHandler */ static LONG CALLBACK X11DRV_DIB_FaultHandler( PEXCEPTION_POINTERS ep ) { X_PHYSBITMAP *physBitmap = NULL; BOOL found = FALSE; BYTE *addr; struct list *ptr; const size_t pagemask = getpagesize() - 1; if (ep->ExceptionRecord->ExceptionCode != EXCEPTION_ACCESS_VIOLATION) return EXCEPTION_CONTINUE_SEARCH; addr = (BYTE *)ep->ExceptionRecord->ExceptionInformation[1]; EnterCriticalSection(&dibs_cs); LIST_FOR_EACH( ptr, &dibs_list ) { physBitmap = LIST_ENTRY( ptr, X_PHYSBITMAP, entry ); if ((physBitmap->base <= addr) && (addr < physBitmap->base + ((physBitmap->size + pagemask) & ~pagemask))) { found = TRUE; break; } } LeaveCriticalSection(&dibs_cs); if (!found) return EXCEPTION_CONTINUE_SEARCH; if (addr >= physBitmap->base + physBitmap->size) WARN( "%p: access to %p beyond the end of the DIB\n", physBitmap->hbitmap, addr ); X11DRV_DIB_Lock( physBitmap, DIB_Status_None ); if (ep->ExceptionRecord->ExceptionInformation[0] == EXCEPTION_WRITE_FAULT) { /* the app tried to write the DIB bits */ X11DRV_DIB_Coerce( physBitmap, DIB_Status_AppMod); } else { /* the app tried to read the DIB bits */ X11DRV_DIB_Coerce( physBitmap, DIB_Status_InSync); } X11DRV_DIB_Unlock( physBitmap, TRUE ); return EXCEPTION_CONTINUE_EXECUTION; } /*********************************************************************** * X11DRV_DIB_Coerce */ static INT X11DRV_DIB_Coerce(X_PHYSBITMAP *physBitmap, INT req) { INT ret = DIB_Status_None; if (!physBitmap->image) return ret; /* not a DIB section */ EnterCriticalSection(&physBitmap->lock); ret = physBitmap->status; switch (req) { case DIB_Status_GdiMod: /* GDI access - request to draw on pixmap */ switch (physBitmap->status) { default: case DIB_Status_None: physBitmap->p_status = DIB_Status_GdiMod; X11DRV_DIB_DoUpdateDIBSection( physBitmap, FALSE ); break; case DIB_Status_GdiMod: TRACE("GdiMod requested in status GdiMod\n" ); physBitmap->p_status = DIB_Status_GdiMod; break; case DIB_Status_InSync: TRACE("GdiMod requested in status InSync\n" ); X11DRV_DIB_DoProtectDIBSection( physBitmap, PAGE_NOACCESS ); physBitmap->status = DIB_Status_GdiMod; physBitmap->p_status = DIB_Status_InSync; break; case DIB_Status_AppMod: TRACE("GdiMod requested in status AppMod\n" ); /* make it readonly to avoid app changing data while we copy */ X11DRV_DIB_DoProtectDIBSection( physBitmap, PAGE_READONLY ); X11DRV_DIB_DoUpdateDIBSection( physBitmap, FALSE ); X11DRV_DIB_DoProtectDIBSection( physBitmap, PAGE_NOACCESS ); physBitmap->p_status = DIB_Status_AppMod; physBitmap->status = DIB_Status_GdiMod; break; } break; case DIB_Status_InSync: /* App access - request access to read DIB surface */ /* (typically called from signal handler) */ switch (physBitmap->status) { default: case DIB_Status_None: /* shouldn't happen from signal handler */ break; case DIB_Status_GdiMod: TRACE("InSync requested in status GdiMod\n" ); X11DRV_DIB_DoProtectDIBSection( physBitmap, PAGE_READWRITE ); X11DRV_DIB_DoUpdateDIBSection( physBitmap, TRUE ); X11DRV_DIB_DoProtectDIBSection( physBitmap, PAGE_READONLY ); physBitmap->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 (physBitmap->status) { default: case DIB_Status_None: /* shouldn't happen from signal handler */ break; case DIB_Status_GdiMod: TRACE("AppMod requested in status GdiMod\n" ); X11DRV_DIB_DoProtectDIBSection( physBitmap, PAGE_READWRITE ); X11DRV_DIB_DoUpdateDIBSection( physBitmap, TRUE ); physBitmap->status = DIB_Status_AppMod; break; case DIB_Status_InSync: TRACE("AppMod requested in status InSync\n" ); X11DRV_DIB_DoProtectDIBSection( physBitmap, PAGE_READWRITE ); physBitmap->status = DIB_Status_AppMod; break; case DIB_Status_AppMod: TRACE("AppMod requested in status AppMod\n" ); /* shouldn't happen from signal handler */ break; } break; /* it is up to the caller to do the copy/conversion, probably * using the return value to decide where to copy from */ } LeaveCriticalSection(&physBitmap->lock); return ret; } /*********************************************************************** * X11DRV_DIB_Lock */ INT X11DRV_DIB_Lock(X_PHYSBITMAP *physBitmap, INT req) { INT ret = DIB_Status_None; if (!physBitmap->image) return ret; /* not a DIB section */ TRACE("Locking %p from thread %04x\n", physBitmap->hbitmap, GetCurrentThreadId()); EnterCriticalSection(&physBitmap->lock); ret = physBitmap->status; if (req != DIB_Status_None) X11DRV_DIB_Coerce(physBitmap, req); return ret; } /*********************************************************************** * X11DRV_DIB_Unlock */ void X11DRV_DIB_Unlock(X_PHYSBITMAP *physBitmap, BOOL commit) { if (!physBitmap->image) return; /* not a DIB section */ switch (physBitmap->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 (physBitmap->p_status) { case DIB_Status_GdiMod: TRACE("Unlocking and syncing from GdiMod\n" ); X11DRV_DIB_DoUpdateDIBSection( physBitmap, TRUE ); break; default: TRACE("Unlocking without needing to sync\n" ); break; } } else TRACE("Unlocking with no changes\n"); physBitmap->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 ((physBitmap->p_status == DIB_Status_InSync) || (physBitmap->p_status == DIB_Status_AppMod)) { X11DRV_DIB_DoProtectDIBSection( physBitmap, PAGE_READONLY ); physBitmap->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; } LeaveCriticalSection(&physBitmap->lock); TRACE("Unlocked %p\n", physBitmap->hbitmap); } /*********************************************************************** * X11DRV_CoerceDIBSection */ INT X11DRV_CoerceDIBSection(X11DRV_PDEVICE *physDev, INT req) { if (!physDev || !physDev->bitmap) return DIB_Status_None; return X11DRV_DIB_Coerce(physDev->bitmap, req); } /*********************************************************************** * X11DRV_LockDIBSection */ INT X11DRV_LockDIBSection(X11DRV_PDEVICE *physDev, INT req) { if (!physDev || !physDev->bitmap) return DIB_Status_None; return X11DRV_DIB_Lock(physDev->bitmap, req); } /*********************************************************************** * X11DRV_UnlockDIBSection */ void X11DRV_UnlockDIBSection(X11DRV_PDEVICE *physDev, BOOL commit) { if (!physDev || !physDev->bitmap) return; X11DRV_DIB_Unlock(physDev->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 = 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); shminfo->shmid = -1; } XFlush(gdi_display); XDestroyImage(image); image = NULL; } return image; } #endif /* HAVE_LIBXXSHM */ static Bool X11DRV_DIB_QueryXShm( Bool *pixmaps ) { static Bool have_xshm, have_xshm_pixmaps; static BOOL initialized; if (!initialized) { #ifdef HAVE_LIBXXSHM int major, minor; have_xshm = XShmQueryVersion( gdi_display, &major, &minor, &have_xshm_pixmaps ); #endif initialized = TRUE; } *pixmaps = have_xshm_pixmaps; return have_xshm; } /*********************************************************************** * X11DRV_CreateDIBSection (X11DRV.@) */ HBITMAP X11DRV_CreateDIBSection( PHYSDEV dev, HBITMAP hbitmap, BITMAPINFO *bmi, UINT usage ) { X11DRV_PDEVICE *physDev = get_x11drv_dev( dev ); X_PHYSBITMAP *physBitmap; DIBSECTION dib; #ifdef HAVE_LIBXXSHM Bool pixmaps; #endif if (!(physBitmap = X11DRV_init_phys_bitmap( hbitmap ))) return 0; physBitmap->topdown = bmi->bmiHeader.biHeight < 0; physBitmap->status = DIB_Status_None; GetObjectW( hbitmap, sizeof(dib), &dib ); /* create color map */ if (dib.dsBm.bmBitsPixel <= 8) { physBitmap->colorMap = X11DRV_DIB_BuildColorMap( physDev, usage, dib.dsBm.bmBitsPixel, bmi, &physBitmap->nColorMap ); } if (!X11DRV_XRender_SetPhysBitmapDepth( physBitmap, dib.dsBm.bmBitsPixel, &dib )) { if (dib.dsBm.bmBitsPixel == 1) { physBitmap->depth = 1; physBitmap->trueColor = FALSE; } else { physBitmap->depth = screen_depth; physBitmap->color_shifts = X11DRV_PALETTE_default_shifts; physBitmap->trueColor = (visual->class == TrueColor || visual->class == DirectColor); } } /* create pixmap and X image */ wine_tsx11_lock(); #ifdef HAVE_LIBXXSHM physBitmap->shminfo.shmid = -1; if (X11DRV_DIB_QueryXShm( &pixmaps ) && (physBitmap->image = X11DRV_XShmCreateImage( dib.dsBm.bmWidth, dib.dsBm.bmHeight, physBitmap->depth, &physBitmap->shminfo ))) { if (pixmaps) { physBitmap->shm_mode = X11DRV_SHM_PIXMAP; physBitmap->image->data = HeapAlloc( GetProcessHeap(), 0, dib.dsBm.bmHeight * physBitmap->image->bytes_per_line ); } else { physBitmap->shm_mode = X11DRV_SHM_IMAGE; physBitmap->image->data = physBitmap->shminfo.shmaddr; } } else #endif { physBitmap->shm_mode = X11DRV_SHM_NONE; physBitmap->image = X11DRV_DIB_CreateXImage( dib.dsBm.bmWidth, dib.dsBm.bmHeight, physBitmap->depth ); } #ifdef HAVE_LIBXXSHM if (physBitmap->shm_mode == X11DRV_SHM_PIXMAP) { TRACE("Creating shared pixmap for bmp %p.\n", physBitmap->hbitmap); physBitmap->pixmap = XShmCreatePixmap( gdi_display, root_window, physBitmap->shminfo.shmaddr, &physBitmap->shminfo, dib.dsBm.bmWidth, dib.dsBm.bmHeight, physBitmap->depth ); } else #endif { physBitmap->pixmap = XCreatePixmap( gdi_display, root_window, dib.dsBm.bmWidth, dib.dsBm.bmHeight, physBitmap->depth ); } wine_tsx11_unlock(); if (!physBitmap->pixmap || !physBitmap->image) return 0; if (physBitmap->trueColor) { ColorShifts *shifts = &physBitmap->color_shifts; /* When XRender is around and used, we also support dibsections in other formats like 16-bit. In these * cases we need to override the mask of XImages. The reason is that during XImage creation the masks are * derived from a 24-bit visual (no 16-bit ones are around when X runs at 24-bit). SetImageBits and other * functions rely on the color masks for proper color conversion, so we need to override the masks here. */ physBitmap->image->red_mask = shifts->physicalRed.max << shifts->physicalRed.shift; physBitmap->image->green_mask = shifts->physicalGreen.max << shifts->physicalGreen.shift; physBitmap->image->blue_mask = shifts->physicalBlue.max << shifts->physicalBlue.shift; } /* install fault handler */ InitializeCriticalSection( &physBitmap->lock ); physBitmap->lock.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": X_PHYSBITMAP.lock"); physBitmap->base = dib.dsBm.bmBits; physBitmap->size = dib.dsBmih.biSizeImage; physBitmap->status = DIB_Status_AppMod; if (!dibs_handler) dibs_handler = AddVectoredExceptionHandler( TRUE, X11DRV_DIB_FaultHandler ); EnterCriticalSection( &dibs_cs ); list_add_head( &dibs_list, &physBitmap->entry ); LeaveCriticalSection( &dibs_cs ); X11DRV_DIB_DoProtectDIBSection( physBitmap, PAGE_READWRITE ); return hbitmap; } /*********************************************************************** * X11DRV_DIB_DeleteDIBSection */ void X11DRV_DIB_DeleteDIBSection(X_PHYSBITMAP *physBitmap, DIBSECTION *dib) { BOOL last; EnterCriticalSection( &dibs_cs ); list_remove( &physBitmap->entry ); last = list_empty( &dibs_list ); LeaveCriticalSection( &dibs_cs ); if (last) { RemoveVectoredExceptionHandler( dibs_handler ); dibs_handler = NULL; } if (dib->dshSection) X11DRV_DIB_Coerce(physBitmap, DIB_Status_InSync); if (physBitmap->image) { wine_tsx11_lock(); #ifdef HAVE_LIBXXSHM if (physBitmap->shminfo.shmid != -1) { XShmDetach( gdi_display, &(physBitmap->shminfo) ); if (physBitmap->shm_mode == X11DRV_SHM_PIXMAP) X11DRV_DIB_DestroyXImage( physBitmap->image ); else XDestroyImage( physBitmap->image ); shmdt( physBitmap->shminfo.shmaddr ); physBitmap->shminfo.shmid = -1; physBitmap->shm_mode = X11DRV_SHM_NONE; } else #endif X11DRV_DIB_DestroyXImage( physBitmap->image ); wine_tsx11_unlock(); } HeapFree(GetProcessHeap(), 0, physBitmap->colorMap); physBitmap->lock.DebugInfo->Spare[0] = 0; DeleteCriticalSection(&physBitmap->lock); } /*********************************************************************** * SetDIBColorTable (X11DRV.@) */ UINT X11DRV_SetDIBColorTable( PHYSDEV dev, UINT start, UINT count, const RGBQUAD *colors ) { X11DRV_PDEVICE *physDev = get_x11drv_dev( dev ); DIBSECTION dib; UINT ret = 0; X_PHYSBITMAP *physBitmap = physDev->bitmap; if (!physBitmap) return 0; GetObjectW( physBitmap->hbitmap, sizeof(dib), &dib ); if (physBitmap->colorMap && start < physBitmap->nColorMap) { UINT end = count + start; if (end > physBitmap->nColorMap) end = physBitmap->nColorMap; /* * Changing color table might change the mapping between * DIB colors and X11 colors and thus alter the visible state * of the bitmap object. */ /* * FIXME we need to recalculate the pen, brush, text and bkgnd pixels here, * at least for a 1 bpp dibsection */ X11DRV_DIB_Lock( physBitmap, DIB_Status_AppMod ); X11DRV_DIB_GenColorMap( physDev, physBitmap->colorMap, DIB_RGB_COLORS, dib.dsBm.bmBitsPixel, colors, start, end ); X11DRV_DIB_Unlock( physBitmap, TRUE ); ret = end - start; } 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. * The Pixmap passed in is deleted after the conversion. */ HGLOBAL X11DRV_DIB_CreateDIBFromPixmap(Pixmap pixmap, HDC hdc) { HDC hdcMem; X_PHYSBITMAP *physBitmap; Pixmap orig_pixmap; HBITMAP hBmp = 0; HGLOBAL hPackedDIB = 0; Window root; int x,y; /* Unused */ unsigned border_width; /* Unused */ unsigned int depth, width, height; /* Get the Pixmap dimensions and bit depth */ wine_tsx11_lock(); if (!XGetGeometry(gdi_display, pixmap, &root, &x, &y, &width, &height, &border_width, &depth)) depth = 0; wine_tsx11_unlock(); if (!pixmap_formats[depth]) return 0; TRACE("\tPixmap properties: width=%d, height=%d, depth=%d\n", width, height, depth); /* * Create an HBITMAP with the same dimensions and BPP as the pixmap, * and make it a container for the pixmap passed. */ if (!(hBmp = CreateBitmap( width, height, 1, pixmap_formats[depth]->bits_per_pixel, NULL ))) return 0; /* force bitmap to be owned by a screen DC */ hdcMem = CreateCompatibleDC( hdc ); SelectObject( hdcMem, SelectObject( hdcMem, hBmp )); DeleteDC( hdcMem ); physBitmap = X11DRV_get_phys_bitmap( hBmp ); /* swap the new pixmap in */ orig_pixmap = physBitmap->pixmap; physBitmap->pixmap = pixmap; /* * 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); /* we can now get rid of the HBITMAP and its original pixmap */ physBitmap->pixmap = orig_pixmap; DeleteObject(hBmp); 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 = 0; X_PHYSBITMAP *physBitmap; HBITMAP hBmp; LPBITMAPINFO pbmi; HDC memdc; /* Create a DDB from the DIB */ pbmi = GlobalLock(hPackedDIB); hBmp = CreateDIBitmap(hdc, &pbmi->bmiHeader, CBM_INIT, (LPBYTE)pbmi + bitmap_info_size( pbmi, DIB_RGB_COLORS ), pbmi, DIB_RGB_COLORS); GlobalUnlock(hPackedDIB); /* make sure it's owned by x11drv */ memdc = CreateCompatibleDC( hdc ); SelectObject( memdc, hBmp ); DeleteDC( memdc ); /* clear the physBitmap so that we can steal its pixmap */ if ((physBitmap = X11DRV_get_phys_bitmap( hBmp ))) { pixmap = physBitmap->pixmap; physBitmap->pixmap = 0; } /* Delete the DDB we created earlier now that we have stolen its pixmap */ DeleteObject(hBmp); TRACE("Returning Pixmap %lx\n", pixmap); return pixmap; }