| /* | |
| * GDI device-independent bitmaps | |
| * | |
| * Copyright 1993,1994 Alexandre Julliard | |
| * | |
| * TODO: Still contains some references to X11DRV. | |
| */ | |
| #include <stdlib.h> | |
| #include "dc.h" | |
| #include "bitmap.h" | |
| #include "callback.h" | |
| #include "palette.h" | |
| #include "global.h" | |
| #include "debug.h" | |
| #include "x11drv.h" | |
| /*********************************************************************** | |
| * DIB_GetDIBWidthBytes | |
| * | |
| * Return the width of a DIB bitmap in bytes. DIB bitmap data is 32-bit aligned. | |
| * http://www.microsoft.com/msdn/sdk/platforms/doc/sdk/win32/struc/src/str01.htm | |
| */ | |
| int DIB_GetDIBWidthBytes( int width, int depth ) | |
| { | |
| int words; | |
| switch(depth) | |
| { | |
| case 1: words = (width + 31) / 32; break; | |
| case 4: words = (width + 7) / 8; break; | |
| case 8: words = (width + 3) / 4; break; | |
| case 15: | |
| case 16: words = (width + 1) / 2; break; | |
| case 24: words = (width * 3 + 3)/4; break; | |
| default: | |
| WARN(bitmap, "(%d): Unsupported depth\n", depth ); | |
| /* fall through */ | |
| case 32: | |
| words = width; | |
| } | |
| return 4 * words; | |
| } | |
| /*********************************************************************** | |
| * DIB_BitmapInfoSize | |
| * | |
| * Return the size of the bitmap info structure including color table. | |
| */ | |
| int DIB_BitmapInfoSize( BITMAPINFO * info, WORD coloruse ) | |
| { | |
| int colors; | |
| if (info->bmiHeader.biSize == sizeof(BITMAPCOREHEADER)) | |
| { | |
| BITMAPCOREHEADER *core = (BITMAPCOREHEADER *)info; | |
| colors = (core->bcBitCount <= 8) ? 1 << core->bcBitCount : 0; | |
| return sizeof(BITMAPCOREHEADER) + colors * | |
| ((coloruse == DIB_RGB_COLORS) ? sizeof(RGBTRIPLE) : sizeof(WORD)); | |
| } | |
| else /* assume BITMAPINFOHEADER */ | |
| { | |
| colors = info->bmiHeader.biClrUsed; | |
| if (!colors && (info->bmiHeader.biBitCount <= 8)) | |
| colors = 1 << info->bmiHeader.biBitCount; | |
| return sizeof(BITMAPINFOHEADER) + colors * | |
| ((coloruse == DIB_RGB_COLORS) ? sizeof(RGBQUAD) : sizeof(WORD)); | |
| } | |
| } | |
| /*********************************************************************** | |
| * DIB_GetBitmapInfo | |
| * | |
| * Get the info from a bitmap header. | |
| * Return 1 for INFOHEADER, 0 for COREHEADER, -1 for error. | |
| */ | |
| int DIB_GetBitmapInfo( const BITMAPINFOHEADER *header, DWORD *width, | |
| int *height, WORD *bpp, WORD *compr ) | |
| { | |
| if (header->biSize == sizeof(BITMAPINFOHEADER)) | |
| { | |
| *width = header->biWidth; | |
| *height = header->biHeight; | |
| *bpp = header->biBitCount; | |
| *compr = header->biCompression; | |
| return 1; | |
| } | |
| if (header->biSize == sizeof(BITMAPCOREHEADER)) | |
| { | |
| BITMAPCOREHEADER *core = (BITMAPCOREHEADER *)header; | |
| *width = core->bcWidth; | |
| *height = core->bcHeight; | |
| *bpp = core->bcBitCount; | |
| *compr = 0; | |
| return 0; | |
| } | |
| WARN(bitmap, "(%ld): wrong size for header\n", header->biSize ); | |
| return -1; | |
| } | |
| /*********************************************************************** | |
| * StretchDIBits16 (GDI.439) | |
| */ | |
| INT16 WINAPI StretchDIBits16(HDC16 hdc, INT16 xDst, INT16 yDst, INT16 widthDst, | |
| INT16 heightDst, INT16 xSrc, INT16 ySrc, INT16 widthSrc, | |
| INT16 heightSrc, const VOID *bits, | |
| const BITMAPINFO *info, UINT16 wUsage, DWORD dwRop ) | |
| { | |
| return (INT16)StretchDIBits32( hdc, xDst, yDst, widthDst, heightDst, | |
| xSrc, ySrc, widthSrc, heightSrc, bits, | |
| info, wUsage, dwRop ); | |
| } | |
| /*********************************************************************** | |
| * StretchDIBits32 (GDI32.351) | |
| */ | |
| INT32 WINAPI StretchDIBits32(HDC32 hdc, INT32 xDst, INT32 yDst, INT32 widthDst, | |
| INT32 heightDst, INT32 xSrc, INT32 ySrc, INT32 widthSrc, | |
| INT32 heightSrc, const void *bits, | |
| const BITMAPINFO *info, UINT32 wUsage, DWORD dwRop ) | |
| { | |
| DC *dc = DC_GetDCPtr( hdc ); | |
| if(!dc) return FALSE; | |
| if(dc->funcs->pStretchDIBits) | |
| return dc->funcs->pStretchDIBits(dc, xDst, yDst, widthDst, | |
| heightDst, xSrc, ySrc, widthSrc, | |
| heightSrc, bits, info, wUsage, | |
| dwRop); | |
| else { /* use StretchBlt32 */ | |
| HBITMAP32 hBitmap, hOldBitmap; | |
| HDC32 hdcMem; | |
| hBitmap = CreateDIBitmap32( hdc, &info->bmiHeader, CBM_INIT, | |
| bits, info, wUsage ); | |
| hdcMem = CreateCompatibleDC32( hdc ); | |
| hOldBitmap = SelectObject32( hdcMem, hBitmap ); | |
| /* Origin for DIBitmap is bottom left ! */ | |
| StretchBlt32( hdc, xDst, yDst, widthDst, heightDst, | |
| hdcMem, xSrc, info->bmiHeader.biHeight - heightSrc - ySrc, | |
| widthSrc, heightSrc, dwRop ); | |
| SelectObject32( hdcMem, hOldBitmap ); | |
| DeleteDC32( hdcMem ); | |
| DeleteObject32( hBitmap ); | |
| return heightSrc; | |
| } | |
| } | |
| /*********************************************************************** | |
| * SetDIBits16 (GDI.440) | |
| */ | |
| INT16 WINAPI SetDIBits16( HDC16 hdc, HBITMAP16 hbitmap, UINT16 startscan, | |
| UINT16 lines, LPCVOID bits, const BITMAPINFO *info, | |
| UINT16 coloruse ) | |
| { | |
| return SetDIBits32( hdc, hbitmap, startscan, lines, bits, info, coloruse ); | |
| } | |
| /****************************************************************************** | |
| * SetDIBits32 [GDI32.312] Sets pixels in a bitmap using colors from DIB | |
| * | |
| * PARAMS | |
| * hdc [I] Handle to device context | |
| * hbitmap [I] Handle to bitmap | |
| * startscan [I] Starting scan line | |
| * lines [I] Number of scan lines | |
| * bits [I] Array of bitmap bits | |
| * info [I] Address of structure with data | |
| * coloruse [I] Type of color indexes to use | |
| * | |
| * RETURNS | |
| * Success: Number of scan lines copied | |
| * Failure: 0 | |
| */ | |
| INT32 WINAPI SetDIBits32( HDC32 hdc, HBITMAP32 hbitmap, UINT32 startscan, | |
| UINT32 lines, LPCVOID bits, const BITMAPINFO *info, | |
| UINT32 coloruse ) | |
| { | |
| DIB_SETIMAGEBITS_DESCR descr; | |
| BITMAPOBJ * bmp; | |
| int height, tmpheight; | |
| INT32 result; | |
| /* Check parameters */ | |
| descr.dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC ); | |
| if (!descr.dc) | |
| { | |
| descr.dc = (DC *)GDI_GetObjPtr(hdc, METAFILE_DC_MAGIC); | |
| if (!descr.dc) return 0; | |
| } | |
| if (!(bmp = (BITMAPOBJ *)GDI_GetObjPtr( hbitmap, BITMAP_MAGIC ))) | |
| { | |
| GDI_HEAP_UNLOCK( hdc ); | |
| return 0; | |
| } | |
| if (DIB_GetBitmapInfo( &info->bmiHeader, &descr.infoWidth, &height, | |
| &descr.infoBpp, &descr.compression ) == -1) | |
| { | |
| GDI_HEAP_UNLOCK( hbitmap ); | |
| GDI_HEAP_UNLOCK( hdc ); | |
| return 0; | |
| } | |
| tmpheight = height; | |
| if (height < 0) height = -height; | |
| if (!lines || (startscan >= height)) | |
| { | |
| GDI_HEAP_UNLOCK( hbitmap ); | |
| GDI_HEAP_UNLOCK( hdc ); | |
| return 0; | |
| } | |
| if (startscan + lines > height) lines = height - startscan; | |
| if (descr.infoBpp <= 8) | |
| { | |
| descr.colorMap = X11DRV_DIB_BuildColorMap( descr.dc, coloruse, | |
| bmp->bitmap.bmBitsPixel, | |
| info, &descr.nColorMap ); | |
| if (!descr.colorMap) | |
| { | |
| GDI_HEAP_UNLOCK( hbitmap ); | |
| GDI_HEAP_UNLOCK( hdc ); | |
| return 0; | |
| } | |
| } else | |
| descr.colorMap = 0; | |
| /* HACK for now */ | |
| if(!bmp->DDBitmap) | |
| X11DRV_CreateBitmap(hbitmap); | |
| { | |
| X11DRV_PHYSBITMAP *pbitmap = bmp->DDBitmap->physBitmap; | |
| descr.bits = bits; | |
| descr.image = NULL; | |
| descr.lines = tmpheight >= 0 ? lines : -lines; | |
| descr.depth = bmp->bitmap.bmBitsPixel; | |
| descr.drawable = pbitmap->pixmap; | |
| descr.gc = BITMAP_GC(bmp); | |
| descr.xSrc = 0; | |
| descr.ySrc = 0; | |
| descr.xDest = 0; | |
| descr.yDest = height - startscan - lines; | |
| descr.width = bmp->bitmap.bmWidth; | |
| descr.height = lines; | |
| } | |
| EnterCriticalSection( &X11DRV_CritSection ); | |
| result = CALL_LARGE_STACK( X11DRV_DIB_SetImageBits, &descr ); | |
| LeaveCriticalSection( &X11DRV_CritSection ); | |
| if (descr.colorMap) HeapFree(GetProcessHeap(), 0, descr.colorMap); | |
| GDI_HEAP_UNLOCK( hdc ); | |
| GDI_HEAP_UNLOCK( hbitmap ); | |
| return result; | |
| } | |
| /*********************************************************************** | |
| * SetDIBitsToDevice16 (GDI.443) | |
| */ | |
| INT16 WINAPI SetDIBitsToDevice16(HDC16 hdc, INT16 xDest, INT16 yDest, INT16 cx, | |
| INT16 cy, INT16 xSrc, INT16 ySrc, UINT16 startscan, | |
| UINT16 lines, LPCVOID bits, const BITMAPINFO *info, | |
| UINT16 coloruse ) | |
| { | |
| return SetDIBitsToDevice32( hdc, xDest, yDest, cx, cy, xSrc, ySrc, | |
| startscan, lines, bits, info, coloruse ); | |
| } | |
| /*********************************************************************** | |
| * SetDIBitsToDevice32 (GDI32.313) | |
| */ | |
| INT32 WINAPI SetDIBitsToDevice32(HDC32 hdc, INT32 xDest, INT32 yDest, DWORD cx, | |
| DWORD cy, INT32 xSrc, INT32 ySrc, UINT32 startscan, | |
| UINT32 lines, LPCVOID bits, const BITMAPINFO *info, | |
| UINT32 coloruse ) | |
| { | |
| INT32 ret; | |
| DC *dc; | |
| if (!(dc = DC_GetDCPtr( hdc ))) return 0; | |
| if(dc->funcs->pSetDIBitsToDevice) | |
| ret = dc->funcs->pSetDIBitsToDevice( dc, xDest, yDest, cx, cy, xSrc, | |
| ySrc, startscan, lines, bits, | |
| info, coloruse ); | |
| else { | |
| FIXME(bitmap, "unimplemented on hdc %08x\n", hdc); | |
| ret = 0; | |
| } | |
| GDI_HEAP_UNLOCK( hdc ); | |
| return ret; | |
| } | |
| /*********************************************************************** | |
| * SetDIBColorTable16 (GDI.602) | |
| */ | |
| UINT16 WINAPI SetDIBColorTable16( HDC16 hdc, UINT16 startpos, UINT16 entries, | |
| RGBQUAD *colors ) | |
| { | |
| return SetDIBColorTable32( hdc, startpos, entries, colors ); | |
| } | |
| /*********************************************************************** | |
| * SetDIBColorTable32 (GDI32.311) | |
| */ | |
| UINT32 WINAPI SetDIBColorTable32( HDC32 hdc, UINT32 startpos, UINT32 entries, | |
| RGBQUAD *colors ) | |
| { | |
| DC * dc; | |
| PALETTEENTRY * palEntry; | |
| PALETTEOBJ * palette; | |
| RGBQUAD *end; | |
| dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC ); | |
| if (!dc) | |
| { | |
| dc = (DC *)GDI_GetObjPtr(hdc, METAFILE_DC_MAGIC); | |
| if (!dc) return 0; | |
| } | |
| if (!(palette = (PALETTEOBJ*)GDI_GetObjPtr( dc->w.hPalette, PALETTE_MAGIC ))) | |
| { | |
| return 0; | |
| } | |
| /* Transfer color info */ | |
| if (dc->w.bitsPerPixel <= 8) { | |
| palEntry = palette->logpalette.palPalEntry + startpos; | |
| if (startpos + entries > (1 << dc->w.bitsPerPixel)) { | |
| entries = (1 << dc->w.bitsPerPixel) - startpos; | |
| } | |
| for (end = colors + entries; colors < end; palEntry++, colors++) | |
| { | |
| palEntry->peRed = colors->rgbRed; | |
| palEntry->peGreen = colors->rgbGreen; | |
| palEntry->peBlue = colors->rgbBlue; | |
| } | |
| } else { | |
| entries = 0; | |
| } | |
| GDI_HEAP_UNLOCK( dc->w.hPalette ); | |
| return entries; | |
| } | |
| /*********************************************************************** | |
| * GetDIBColorTable16 (GDI.603) | |
| */ | |
| UINT16 WINAPI GetDIBColorTable16( HDC16 hdc, UINT16 startpos, UINT16 entries, | |
| RGBQUAD *colors ) | |
| { | |
| return GetDIBColorTable32( hdc, startpos, entries, colors ); | |
| } | |
| /*********************************************************************** | |
| * GetDIBColorTable32 (GDI32.169) | |
| */ | |
| UINT32 WINAPI GetDIBColorTable32( HDC32 hdc, UINT32 startpos, UINT32 entries, | |
| RGBQUAD *colors ) | |
| { | |
| DC * dc; | |
| PALETTEENTRY * palEntry; | |
| PALETTEOBJ * palette; | |
| RGBQUAD *end; | |
| dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC ); | |
| if (!dc) | |
| { | |
| dc = (DC *)GDI_GetObjPtr(hdc, METAFILE_DC_MAGIC); | |
| if (!dc) return 0; | |
| } | |
| if (!(palette = (PALETTEOBJ*)GDI_GetObjPtr( dc->w.hPalette, PALETTE_MAGIC ))) | |
| { | |
| return 0; | |
| } | |
| /* Transfer color info */ | |
| if (dc->w.bitsPerPixel <= 8) { | |
| palEntry = palette->logpalette.palPalEntry + startpos; | |
| if (startpos + entries > (1 << dc->w.bitsPerPixel)) { | |
| entries = (1 << dc->w.bitsPerPixel) - startpos; | |
| } | |
| for (end = colors + entries; colors < end; palEntry++, colors++) | |
| { | |
| colors->rgbRed = palEntry->peRed; | |
| colors->rgbGreen = palEntry->peGreen; | |
| colors->rgbBlue = palEntry->peBlue; | |
| colors->rgbReserved = 0; | |
| } | |
| } else { | |
| entries = 0; | |
| } | |
| GDI_HEAP_UNLOCK( dc->w.hPalette ); | |
| return entries; | |
| } | |
| /*********************************************************************** | |
| * GetDIBits16 (GDI.441) | |
| */ | |
| INT16 WINAPI GetDIBits16( HDC16 hdc, HBITMAP16 hbitmap, UINT16 startscan, | |
| UINT16 lines, LPSTR bits, BITMAPINFO * info, | |
| UINT16 coloruse ) | |
| { | |
| return GetDIBits32( hdc, hbitmap, startscan, lines, bits, info, coloruse ); | |
| } | |
| /****************************************************************************** | |
| * GetDIBits32 [GDI32.170] Retrieves bits of bitmap and copies to buffer | |
| * | |
| * RETURNS | |
| * Success: Number of scan lines copied from bitmap | |
| * Failure: 0 | |
| * | |
| * http://www.microsoft.com/msdn/sdk/platforms/doc/sdk/win32/func/src/f30_14.htm | |
| */ | |
| INT32 WINAPI GetDIBits32( | |
| HDC32 hdc, /* [in] Handle to device context */ | |
| HBITMAP32 hbitmap, /* [in] Handle to bitmap */ | |
| UINT32 startscan, /* [in] First scan line to set in dest bitmap */ | |
| UINT32 lines, /* [in] Number of scan lines to copy */ | |
| LPSTR bits, /* [out] Address of array for bitmap bits */ | |
| BITMAPINFO * info, /* [out] Address of structure with bitmap data */ | |
| UINT32 coloruse) /* [in] RGB or palette index */ | |
| { | |
| DC * dc; | |
| BITMAPOBJ * bmp; | |
| PALETTEENTRY * palEntry; | |
| PALETTEOBJ * palette; | |
| XImage * bmpImage; | |
| int i, x, y; | |
| if (!lines) return 0; | |
| dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC ); | |
| if (!dc) | |
| { | |
| dc = (DC *)GDI_GetObjPtr(hdc, METAFILE_DC_MAGIC); | |
| if (!dc) return 0; | |
| } | |
| if (!(bmp = (BITMAPOBJ *)GDI_GetObjPtr( hbitmap, BITMAP_MAGIC ))) | |
| return 0; | |
| if (!(palette = (PALETTEOBJ*)GDI_GetObjPtr( dc->w.hPalette, PALETTE_MAGIC ))) | |
| { | |
| GDI_HEAP_UNLOCK( hbitmap ); | |
| return 0; | |
| } | |
| /* Transfer color info (FIXME) */ | |
| if (info && (info->bmiHeader.biBitCount <= 8) && | |
| (bmp->bitmap.bmBitsPixel <= 8)) | |
| { | |
| int colors = 1 << info->bmiHeader.biBitCount; | |
| info->bmiHeader.biClrUsed = 0; | |
| palEntry = palette->logpalette.palPalEntry; | |
| for (i = 0; i < colors; i++, palEntry++) | |
| { | |
| if (coloruse == DIB_RGB_COLORS) | |
| { | |
| info->bmiColors[i].rgbRed = palEntry->peRed; | |
| info->bmiColors[i].rgbGreen = palEntry->peGreen; | |
| info->bmiColors[i].rgbBlue = palEntry->peBlue; | |
| info->bmiColors[i].rgbReserved = 0; | |
| } | |
| else ((WORD *)info->bmiColors)[i] = (WORD)i; | |
| } | |
| } | |
| if (bits) | |
| { | |
| BYTE* bbits = bits; | |
| int pad, yend, xend = bmp->bitmap.bmWidth; | |
| TRACE(bitmap, "%u scanlines of (%i,%i) -> (%i,%i) starting from %u\n", | |
| lines, bmp->bitmap.bmWidth, bmp->bitmap.bmHeight, | |
| (int)info->bmiHeader.biWidth, (int)info->bmiHeader.biHeight, startscan ); | |
| /* adjust number of scanlines to copy */ | |
| if( lines > info->bmiHeader.biHeight ) lines = info->bmiHeader.biHeight; | |
| yend = startscan + lines; | |
| if( startscan >= bmp->bitmap.bmHeight ) | |
| { | |
| GDI_HEAP_UNLOCK( hbitmap ); | |
| GDI_HEAP_UNLOCK( dc->w.hPalette ); | |
| return FALSE; | |
| } | |
| if( yend > bmp->bitmap.bmHeight ) yend = bmp->bitmap.bmHeight; | |
| /* adjust scanline width */ | |
| pad = info->bmiHeader.biWidth - bmp->bitmap.bmWidth; | |
| if( pad < 0 ) | |
| { | |
| /* bitmap is wider than DIB, copy only a part */ | |
| pad = 0; | |
| xend = info->bmiHeader.biWidth; | |
| } | |
| /* HACK for now */ | |
| if(!bmp->DDBitmap) | |
| X11DRV_CreateBitmap(hbitmap); | |
| EnterCriticalSection( &X11DRV_CritSection ); | |
| bmpImage = (XImage *)CALL_LARGE_STACK( X11DRV_BITMAP_GetXImage, bmp ); | |
| switch( info->bmiHeader.biBitCount ) | |
| { | |
| case 8: | |
| /* pad up to 32 bit */ | |
| pad += (4 - (info->bmiHeader.biWidth & 3)) & 3; | |
| for( y = yend - 1; (int)y >= (int)startscan; y-- ) | |
| { | |
| for( x = 0; x < xend; x++ ) | |
| *bbits++ = XGetPixel( bmpImage, x, y ); | |
| bbits += pad; | |
| } | |
| break; | |
| case 1: | |
| pad += ((32 - (info->bmiHeader.biWidth & 31)) / 8) & 3; | |
| for( y = yend - 1; (int)y >= (int)startscan; y-- ) | |
| { | |
| for( x = 0; x < xend; x++ ) { | |
| if (!(x&7)) *bbits = 0; | |
| *bbits |= XGetPixel( bmpImage, x, y)<<(7-(x&7)); | |
| if ((x&7)==7) bbits++; | |
| } | |
| bbits += pad; | |
| } | |
| break; | |
| case 4: | |
| pad += ((8 - (info->bmiHeader.biWidth & 7)) / 2) & 3; | |
| for( y = yend - 1; (int)y >= (int)startscan; y-- ) | |
| { | |
| for( x = 0; x < xend; x++ ) { | |
| if (!(x&1)) *bbits = 0; | |
| *bbits |= XGetPixel( bmpImage, x, y)<<(4*(1-(x&1))); | |
| if ((x&1)==1) bbits++; | |
| } | |
| bbits += pad; | |
| } | |
| break; | |
| case 15: | |
| case 16: | |
| pad += (4 - ((info->bmiHeader.biWidth*2) & 3)) & 3; | |
| for( y = yend - 1; (int)y >= (int)startscan; y-- ) | |
| { | |
| for( x = 0; x < xend; x++ ) { | |
| unsigned long pixel=XGetPixel( bmpImage, x, y); | |
| *bbits++ = pixel & 0xff; | |
| *bbits++ = (pixel >> 8) & 0xff; | |
| } | |
| bbits += pad; | |
| } | |
| break; | |
| case 24: | |
| pad += (4 - ((info->bmiHeader.biWidth*3) & 3)) & 3; | |
| for( y = yend - 1; (int)y >= (int)startscan; y-- ) | |
| { | |
| for( x = 0; x < xend; x++ ) { | |
| unsigned long pixel=XGetPixel( bmpImage, x, y); | |
| *bbits++ = (pixel >>16) & 0xff; | |
| *bbits++ = (pixel >> 8) & 0xff; | |
| *bbits++ = pixel & 0xff; | |
| } | |
| bbits += pad; | |
| } | |
| break; | |
| case 32: | |
| for( y = yend - 1; (int)y >= (int)startscan; y-- ) | |
| { | |
| for( x = 0; x < xend; x++ ) { | |
| unsigned long pixel=XGetPixel( bmpImage, x, y); | |
| *bbits++ = (pixel >>16) & 0xff; | |
| *bbits++ = (pixel >> 8) & 0xff; | |
| *bbits++ = pixel & 0xff; | |
| } | |
| } | |
| break; | |
| default: | |
| WARN(bitmap,"Unsupported depth %d\n", | |
| info->bmiHeader.biBitCount); | |
| break; | |
| } | |
| XDestroyImage( bmpImage ); | |
| LeaveCriticalSection( &X11DRV_CritSection ); | |
| info->bmiHeader.biCompression = 0; | |
| } | |
| else if( info->bmiHeader.biSize >= sizeof(BITMAPINFOHEADER) ) | |
| { | |
| /* fill in struct members */ | |
| info->bmiHeader.biWidth = bmp->bitmap.bmWidth; | |
| info->bmiHeader.biHeight = bmp->bitmap.bmHeight; | |
| info->bmiHeader.biPlanes = 1; | |
| info->bmiHeader.biBitCount = bmp->bitmap.bmBitsPixel; | |
| info->bmiHeader.biSizeImage = bmp->bitmap.bmHeight * | |
| DIB_GetDIBWidthBytes( bmp->bitmap.bmWidth, | |
| bmp->bitmap.bmBitsPixel ); | |
| info->bmiHeader.biCompression = 0; | |
| } | |
| GDI_HEAP_UNLOCK( hbitmap ); | |
| GDI_HEAP_UNLOCK( dc->w.hPalette ); | |
| return lines; | |
| } | |
| /*********************************************************************** | |
| * CreateDIBitmap16 (GDI.442) | |
| */ | |
| HBITMAP16 WINAPI CreateDIBitmap16( HDC16 hdc, const BITMAPINFOHEADER * header, | |
| DWORD init, LPCVOID bits, const BITMAPINFO * data, | |
| UINT16 coloruse ) | |
| { | |
| return CreateDIBitmap32( hdc, header, init, bits, data, coloruse ); | |
| } | |
| /*********************************************************************** | |
| * CreateDIBitmap32 (GDI32.37) | |
| */ | |
| HBITMAP32 WINAPI CreateDIBitmap32( HDC32 hdc, const BITMAPINFOHEADER *header, | |
| DWORD init, LPCVOID bits, const BITMAPINFO *data, | |
| UINT32 coloruse ) | |
| { | |
| HBITMAP32 handle; | |
| BOOL32 fColor; | |
| DWORD width; | |
| int height; | |
| WORD bpp; | |
| WORD compr; | |
| if (DIB_GetBitmapInfo( header, &width, &height, &bpp, &compr ) == -1) return 0; | |
| if (height < 0) height = -height; | |
| /* Check if we should create a monochrome or color bitmap. */ | |
| /* We create a monochrome bitmap only if it has exactly 2 */ | |
| /* colors, which are either black or white, nothing else. */ | |
| /* In all other cases, we create a color bitmap. */ | |
| if (bpp != 1) fColor = TRUE; | |
| else if ((coloruse != DIB_RGB_COLORS) || | |
| (init != CBM_INIT) || !data) fColor = FALSE; | |
| else | |
| { | |
| if (data->bmiHeader.biSize == sizeof(BITMAPINFOHEADER)) | |
| { | |
| RGBQUAD *rgb = data->bmiColors; | |
| DWORD col = RGB( rgb->rgbRed, rgb->rgbGreen, rgb->rgbBlue ); | |
| if ((col == RGB(0,0,0)) || (col == RGB(0xff,0xff,0xff))) | |
| { | |
| rgb++; | |
| col = RGB( rgb->rgbRed, rgb->rgbGreen, rgb->rgbBlue ); | |
| fColor = ((col != RGB(0,0,0)) && (col != RGB(0xff,0xff,0xff))); | |
| } | |
| else fColor = TRUE; | |
| } | |
| else if (data->bmiHeader.biSize == sizeof(BITMAPCOREHEADER)) | |
| { | |
| RGBTRIPLE *rgb = ((BITMAPCOREINFO *)data)->bmciColors; | |
| DWORD col = RGB( rgb->rgbtRed, rgb->rgbtGreen, rgb->rgbtBlue ); | |
| if ((col == RGB(0,0,0)) || (col == RGB(0xff,0xff,0xff))) | |
| { | |
| rgb++; | |
| col = RGB( rgb->rgbtRed, rgb->rgbtGreen, rgb->rgbtBlue ); | |
| fColor = ((col != RGB(0,0,0)) && (col != RGB(0xff,0xff,0xff))); | |
| } | |
| else fColor = TRUE; | |
| } | |
| else | |
| { | |
| WARN(bitmap, "(%ld): wrong size for data\n", | |
| data->bmiHeader.biSize ); | |
| return 0; | |
| } | |
| } | |
| /* Now create the bitmap */ | |
| handle = fColor ? CreateBitmap32( width, height, 1, screenDepth, NULL ) : | |
| CreateBitmap32( width, height, 1, 1, NULL ); | |
| if (!handle) return 0; | |
| if (init == CBM_INIT) | |
| SetDIBits32( hdc, handle, 0, height, bits, data, coloruse ); | |
| return handle; | |
| } | |
| /*********************************************************************** | |
| * DIB_DoProtectDIBSection | |
| */ | |
| static void DIB_DoProtectDIBSection( BITMAPOBJ *bmp, DWORD new_prot ) | |
| { | |
| DIBSECTION *dib = &bmp->dib->dibSection; | |
| INT32 effHeight = dib->dsBm.bmHeight >= 0? dib->dsBm.bmHeight | |
| : -dib->dsBm.bmHeight; | |
| INT32 totalSize = dib->dsBmih.biSizeImage? dib->dsBmih.biSizeImage | |
| : dib->dsBm.bmWidthBytes * effHeight; | |
| DWORD old_prot; | |
| VirtualProtect(dib->dsBm.bmBits, totalSize, new_prot, &old_prot); | |
| TRACE(bitmap, "Changed protection from %ld to %ld\n", | |
| old_prot, new_prot); | |
| } | |
| /*********************************************************************** | |
| * DIB_DoUpdateDIBSection | |
| */ | |
| static void DIB_DoUpdateDIBSection( BITMAPOBJ *bmp, BOOL32 toDIB ) | |
| { | |
| DIBSECTIONOBJ *dib = bmp->dib; | |
| DIB_SETIMAGEBITS_DESCR descr; | |
| if (DIB_GetBitmapInfo( &dib->dibSection.dsBmih, &descr.infoWidth, &descr.lines, | |
| &descr.infoBpp, &descr.compression ) == -1) | |
| return; | |
| descr.dc = NULL; | |
| descr.image = dib->image; | |
| descr.colorMap = dib->colorMap; | |
| descr.nColorMap = dib->nColorMap; | |
| descr.bits = dib->dibSection.dsBm.bmBits; | |
| descr.depth = bmp->bitmap.bmBitsPixel; | |
| /* Hack for now */ | |
| descr.drawable = ((X11DRV_PHYSBITMAP *)bmp->DDBitmap->physBitmap)->pixmap; | |
| descr.gc = BITMAP_GC(bmp); | |
| descr.xSrc = 0; | |
| descr.ySrc = 0; | |
| descr.xDest = 0; | |
| descr.yDest = 0; | |
| descr.width = bmp->bitmap.bmWidth; | |
| descr.height = bmp->bitmap.bmHeight; | |
| if (toDIB) | |
| { | |
| TRACE(bitmap, "Copying from Pixmap to DIB bits\n"); | |
| EnterCriticalSection( &X11DRV_CritSection ); | |
| CALL_LARGE_STACK( X11DRV_DIB_GetImageBits, &descr ); | |
| LeaveCriticalSection( &X11DRV_CritSection ); | |
| } | |
| else | |
| { | |
| TRACE(bitmap, "Copying from DIB bits to Pixmap\n"); | |
| EnterCriticalSection( &X11DRV_CritSection ); | |
| CALL_LARGE_STACK( X11DRV_DIB_SetImageBits, &descr ); | |
| LeaveCriticalSection( &X11DRV_CritSection ); | |
| } | |
| } | |
| /*********************************************************************** | |
| * DIB_FaultHandler | |
| */ | |
| static BOOL32 DIB_FaultHandler( LPVOID res, LPVOID addr ) | |
| { | |
| BOOL32 handled = FALSE; | |
| BITMAPOBJ *bmp; | |
| bmp = (BITMAPOBJ *)GDI_GetObjPtr( (HBITMAP32)res, BITMAP_MAGIC ); | |
| if (!bmp) return FALSE; | |
| if (bmp->dib) | |
| switch (bmp->dib->status) | |
| { | |
| case DIB_GdiMod: | |
| TRACE( bitmap, "called in status DIB_GdiMod\n" ); | |
| DIB_DoProtectDIBSection( bmp, PAGE_READWRITE ); | |
| DIB_DoUpdateDIBSection( bmp, TRUE ); | |
| DIB_DoProtectDIBSection( bmp, PAGE_READONLY ); | |
| bmp->dib->status = DIB_InSync; | |
| handled = TRUE; | |
| break; | |
| case DIB_InSync: | |
| TRACE( bitmap, "called in status DIB_InSync\n" ); | |
| DIB_DoProtectDIBSection( bmp, PAGE_READWRITE ); | |
| bmp->dib->status = DIB_AppMod; | |
| handled = TRUE; | |
| break; | |
| case DIB_AppMod: | |
| FIXME( bitmap, "called in status DIB_AppMod: " | |
| "this can't happen!\n" ); | |
| break; | |
| case DIB_NoHandler: | |
| FIXME( bitmap, "called in status DIB_NoHandler: " | |
| "this can't happen!\n" ); | |
| break; | |
| } | |
| GDI_HEAP_UNLOCK( (HBITMAP32)res ); | |
| return handled; | |
| } | |
| /*********************************************************************** | |
| * DIB_UpdateDIBSection | |
| */ | |
| void DIB_UpdateDIBSection( DC *dc, BOOL32 toDIB ) | |
| { | |
| BITMAPOBJ *bmp; | |
| /* Ensure this is a Compatible DC that has a DIB section selected */ | |
| if (!dc) return; | |
| if (!(dc->w.flags & DC_MEMORY)) return; | |
| bmp = (BITMAPOBJ *)GDI_GetObjPtr( dc->w.hBitmap, BITMAP_MAGIC ); | |
| if (!bmp) return; | |
| if (!bmp->dib) | |
| { | |
| GDI_HEAP_UNLOCK(dc->w.hBitmap); | |
| return; | |
| } | |
| if (!toDIB) | |
| { | |
| /* Prepare for access to the DIB by GDI functions */ | |
| switch (bmp->dib->status) | |
| { | |
| default: | |
| case DIB_NoHandler: | |
| DIB_DoUpdateDIBSection( bmp, FALSE ); | |
| break; | |
| case DIB_GdiMod: | |
| TRACE( bitmap, "fromDIB called in status DIB_GdiMod\n" ); | |
| /* nothing to do */ | |
| break; | |
| case DIB_InSync: | |
| TRACE( bitmap, "fromDIB called in status DIB_InSync\n" ); | |
| /* nothing to do */ | |
| break; | |
| case DIB_AppMod: | |
| TRACE( bitmap, "fromDIB called in status DIB_AppMod\n" ); | |
| DIB_DoUpdateDIBSection( bmp, FALSE ); | |
| DIB_DoProtectDIBSection( bmp, PAGE_READONLY ); | |
| bmp->dib->status = DIB_InSync; | |
| break; | |
| } | |
| } | |
| else | |
| { | |
| /* Acknowledge write access to the DIB by GDI functions */ | |
| switch (bmp->dib->status) | |
| { | |
| default: | |
| case DIB_NoHandler: | |
| DIB_DoUpdateDIBSection( bmp, TRUE ); | |
| break; | |
| case DIB_GdiMod: | |
| TRACE( bitmap, " toDIB called in status DIB_GdiMod\n" ); | |
| /* nothing to do */ | |
| break; | |
| case DIB_InSync: | |
| TRACE( bitmap, " toDIB called in status DIB_InSync\n" ); | |
| DIB_DoProtectDIBSection( bmp, PAGE_NOACCESS ); | |
| bmp->dib->status = DIB_GdiMod; | |
| break; | |
| case DIB_AppMod: | |
| FIXME( bitmap, " toDIB called in status DIB_AppMod: " | |
| "this can't happen!\n" ); | |
| break; | |
| } | |
| } | |
| GDI_HEAP_UNLOCK(dc->w.hBitmap); | |
| } | |
| /*********************************************************************** | |
| * CreateDIBSection16 (GDI.489) | |
| */ | |
| HBITMAP16 WINAPI CreateDIBSection16 (HDC16 hdc, BITMAPINFO *bmi, UINT16 usage, | |
| LPVOID **bits, HANDLE32 section, | |
| DWORD offset) | |
| { | |
| return CreateDIBSection32(hdc, bmi, usage, bits, section, offset); | |
| } | |
| /*********************************************************************** | |
| * CreateDIBSection32 (GDI32.36) | |
| */ | |
| HBITMAP32 WINAPI CreateDIBSection32 (HDC32 hdc, BITMAPINFO *bmi, UINT32 usage, | |
| LPVOID **bits,HANDLE32 section, | |
| DWORD offset) | |
| { | |
| HBITMAP32 res = 0; | |
| BITMAPOBJ *bmp = NULL; | |
| DIBSECTIONOBJ *dib = NULL; | |
| int *colorMap = NULL; | |
| int nColorMap; | |
| /* Fill BITMAP32 structure with DIB data */ | |
| BITMAPINFOHEADER *bi = &bmi->bmiHeader; | |
| INT32 effHeight, totalSize; | |
| BITMAP32 bm; | |
| TRACE(bitmap, "format (%ld,%ld), planes %d, bpp %d, size %ld, colors %ld (%s)\n", | |
| bi->biWidth, bi->biHeight, bi->biPlanes, bi->biBitCount, | |
| bi->biSizeImage, bi->biClrUsed, usage == DIB_PAL_COLORS? "PAL" : "RGB"); | |
| bm.bmType = 0; | |
| bm.bmWidth = bi->biWidth; | |
| bm.bmHeight = bi->biHeight; | |
| bm.bmWidthBytes = DIB_GetDIBWidthBytes(bm.bmWidth, bi->biBitCount); | |
| bm.bmPlanes = bi->biPlanes; | |
| bm.bmBitsPixel = bi->biBitCount; | |
| bm.bmBits = NULL; | |
| /* Get storage location for DIB bits */ | |
| effHeight = bm.bmHeight >= 0 ? bm.bmHeight : -bm.bmHeight; | |
| totalSize = bi->biSizeImage? bi->biSizeImage : bm.bmWidthBytes * effHeight; | |
| if (section) | |
| bm.bmBits = MapViewOfFile(section, FILE_MAP_ALL_ACCESS, | |
| 0L, offset, totalSize); | |
| else | |
| bm.bmBits = VirtualAlloc(NULL, totalSize, | |
| MEM_RESERVE|MEM_COMMIT, PAGE_READWRITE); | |
| /* Create Color Map */ | |
| if (bm.bmBits && bm.bmBitsPixel <= 8) | |
| { | |
| DC *dc = hdc? (DC *)GDI_GetObjPtr(hdc, DC_MAGIC) : NULL; | |
| if (hdc && !dc) dc = (DC *)GDI_GetObjPtr(hdc, METAFILE_DC_MAGIC); | |
| if (!hdc || dc) | |
| colorMap = X11DRV_DIB_BuildColorMap( dc, usage, bm.bmBitsPixel, | |
| bmi, &nColorMap ); | |
| GDI_HEAP_UNLOCK(hdc); | |
| } | |
| /* Allocate Memory for DIB and fill structure */ | |
| if (bm.bmBits) | |
| dib = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(DIBSECTIONOBJ)); | |
| if (dib) | |
| { | |
| dib->dibSection.dsBm = bm; | |
| dib->dibSection.dsBmih = *bi; | |
| /* FIXME: dib->dibSection.dsBitfields ??? */ | |
| dib->dibSection.dshSection = section; | |
| dib->dibSection.dsOffset = offset; | |
| dib->status = DIB_NoHandler; | |
| dib->nColorMap = nColorMap; | |
| dib->colorMap = colorMap; | |
| } | |
| /* Create Device Dependent Bitmap and add DIB pointer */ | |
| if (dib) | |
| { | |
| res = CreateDIBitmap32(hdc, bi, 0, NULL, bmi, usage); | |
| if (res) | |
| { | |
| bmp = (BITMAPOBJ *) GDI_GetObjPtr(res, BITMAP_MAGIC); | |
| if (bmp) | |
| { | |
| bmp->dib = dib; | |
| /* HACK for now */ | |
| if(!bmp->DDBitmap) | |
| X11DRV_CreateBitmap(res); | |
| } | |
| } | |
| } | |
| /* Create XImage */ | |
| if (dib && bmp) | |
| XCREATEIMAGE( dib->image, bm.bmWidth, effHeight, bmp->bitmap.bmBitsPixel ); | |
| /* Clean up in case of errors */ | |
| if (!res || !bmp || !dib || !bm.bmBits || (bm.bmBitsPixel <= 8 && !colorMap)) | |
| { | |
| TRACE(bitmap, "got an error res=%08x, bmp=%p, dib=%p, bm.bmBits=%p\n", | |
| res, bmp, dib, bm.bmBits); | |
| if (bm.bmBits) | |
| { | |
| if (section) | |
| UnmapViewOfFile(bm.bmBits), bm.bmBits = NULL; | |
| else | |
| VirtualFree(bm.bmBits, MEM_RELEASE, 0L), bm.bmBits = NULL; | |
| } | |
| if (dib && dib->image) { XDestroyImage(dib->image); dib->image = NULL; } | |
| if (colorMap) { HeapFree(GetProcessHeap(), 0, colorMap); colorMap = NULL; } | |
| if (dib) { HeapFree(GetProcessHeap(), 0, dib); dib = NULL; } | |
| if (res) { DeleteObject32(res); res = 0; } | |
| } | |
| /* Install fault handler, if possible */ | |
| if (bm.bmBits) | |
| { | |
| if (VIRTUAL_SetFaultHandler(bm.bmBits, DIB_FaultHandler, (LPVOID)res)) | |
| { | |
| DIB_DoProtectDIBSection( bmp, PAGE_READONLY ); | |
| if (dib) dib->status = DIB_InSync; | |
| } | |
| } | |
| /* Return BITMAP handle and storage location */ | |
| if (res) GDI_HEAP_UNLOCK(res); | |
| if (bm.bmBits && bits) *bits = bm.bmBits; | |
| return res; | |
| } | |
| /*********************************************************************** | |
| * DIB_DeleteDIBSection | |
| */ | |
| void DIB_DeleteDIBSection( BITMAPOBJ *bmp ) | |
| { | |
| if (bmp && bmp->dib) | |
| { | |
| DIBSECTIONOBJ *dib = bmp->dib; | |
| if (dib->dibSection.dsBm.bmBits) | |
| { | |
| if (dib->dibSection.dshSection) | |
| UnmapViewOfFile(dib->dibSection.dsBm.bmBits); | |
| else | |
| VirtualFree(dib->dibSection.dsBm.bmBits, MEM_RELEASE, 0L); | |
| } | |
| if (dib->image) | |
| XDestroyImage( dib->image ); | |
| if (dib->colorMap) | |
| HeapFree(GetProcessHeap(), 0, dib->colorMap); | |
| HeapFree(GetProcessHeap(), 0, dib); | |
| bmp->dib = NULL; | |
| } | |
| } | |
| /*********************************************************************** | |
| * DIB_FixColorsToLoadflags | |
| * | |
| * Change color table entries when LR_LOADTRANSPARENT or LR_LOADMAP3DCOLORS | |
| * are in loadflags | |
| */ | |
| void DIB_FixColorsToLoadflags(BITMAPINFO * bmi, UINT32 loadflags, BYTE pix) | |
| { | |
| int colors; | |
| COLORREF c_W, c_S, c_F, c_L, c_C; | |
| int incr,i; | |
| RGBQUAD *ptr; | |
| if (bmi->bmiHeader.biBitCount > 8) return; | |
| if (bmi->bmiHeader.biSize == sizeof(BITMAPINFOHEADER)) incr = 4; | |
| else if (bmi->bmiHeader.biSize == sizeof(BITMAPCOREHEADER)) incr = 3; | |
| else { | |
| WARN(bitmap, "Wrong bitmap header size!\n"); | |
| return; | |
| } | |
| colors = bmi->bmiHeader.biClrUsed; | |
| if (!colors && (bmi->bmiHeader.biBitCount <= 8)) | |
| colors = 1 << bmi->bmiHeader.biBitCount; | |
| c_W = GetSysColor32(COLOR_WINDOW); | |
| c_S = GetSysColor32(COLOR_3DSHADOW); | |
| c_F = GetSysColor32(COLOR_3DFACE); | |
| c_L = GetSysColor32(COLOR_3DLIGHT); | |
| if (loadflags & LR_LOADTRANSPARENT) { | |
| switch (bmi->bmiHeader.biBitCount) { | |
| case 1: pix = pix >> 7; break; | |
| case 4: pix = pix >> 4; break; | |
| case 8: break; | |
| default: | |
| WARN(bitmap, "(%d): Unsupported depth\n", bmi->bmiHeader.biBitCount); | |
| return; | |
| } | |
| if (pix >= colors) { | |
| WARN(bitmap, "pixel has color index greater than biClrUsed!\n"); | |
| return; | |
| } | |
| if (loadflags & LR_LOADMAP3DCOLORS) c_W = c_F; | |
| ptr = (RGBQUAD*)((char*)bmi->bmiColors+pix*incr); | |
| ptr->rgbBlue = GetBValue(c_W); | |
| ptr->rgbGreen = GetGValue(c_W); | |
| ptr->rgbRed = GetRValue(c_W); | |
| } | |
| if (loadflags & LR_LOADMAP3DCOLORS) | |
| for (i=0; i<colors; i++) { | |
| ptr = (RGBQUAD*)((char*)bmi->bmiColors+i*incr); | |
| c_C = RGB(ptr->rgbRed, ptr->rgbGreen, ptr->rgbBlue); | |
| if (c_C == RGB(128, 128, 128)) { | |
| ptr->rgbRed = GetRValue(c_S); | |
| ptr->rgbGreen = GetGValue(c_S); | |
| ptr->rgbBlue = GetBValue(c_S); | |
| } else if (c_C == RGB(192, 192, 192)) { | |
| ptr->rgbRed = GetRValue(c_F); | |
| ptr->rgbGreen = GetGValue(c_F); | |
| ptr->rgbBlue = GetBValue(c_F); | |
| } else if (c_C == RGB(223, 223, 223)) { | |
| ptr->rgbRed = GetRValue(c_L); | |
| ptr->rgbGreen = GetGValue(c_L); | |
| ptr->rgbBlue = GetBValue(c_L); | |
| } | |
| } | |
| } |