1170 lines
35 KiB
C
1170 lines
35 KiB
C
/*
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* GDI device-independent bitmaps
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*
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* Copyright 1993,1994 Alexandre Julliard
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*
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* TODO: Still contains some references to X11DRV.
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*/
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#include "ts_xlib.h"
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#include "x11drv.h"
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#include <stdlib.h>
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#include "dc.h"
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#include "bitmap.h"
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#include "callback.h"
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#include "palette.h"
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#include "global.h"
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#include "selectors.h"
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#include "debug.h"
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#include "local.h"
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#include "xmalloc.h" /* for XCREATEIMAGE macro */
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#include "monitor.h"
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/***********************************************************************
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* DIB_GetDIBWidthBytes
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*
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* Return the width of a DIB bitmap in bytes. DIB bitmap data is 32-bit aligned.
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* http://www.microsoft.com/msdn/sdk/platforms/doc/sdk/win32/struc/src/str01.htm
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*/
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int DIB_GetDIBWidthBytes( int width, int depth )
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{
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int words;
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switch(depth)
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{
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case 1: words = (width + 31) / 32; break;
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case 4: words = (width + 7) / 8; break;
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case 8: words = (width + 3) / 4; break;
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case 15:
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case 16: words = (width + 1) / 2; break;
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case 24: words = (width * 3 + 3)/4; break;
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default:
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WARN(bitmap, "(%d): Unsupported depth\n", depth );
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/* fall through */
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case 32:
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words = width;
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}
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return 4 * words;
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}
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/***********************************************************************
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* DIB_BitmapInfoSize
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*
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* Return the size of the bitmap info structure including color table.
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*/
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int DIB_BitmapInfoSize( BITMAPINFO * info, WORD coloruse )
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{
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int colors;
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if (info->bmiHeader.biSize == sizeof(BITMAPCOREHEADER))
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{
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BITMAPCOREHEADER *core = (BITMAPCOREHEADER *)info;
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colors = (core->bcBitCount <= 8) ? 1 << core->bcBitCount : 0;
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return sizeof(BITMAPCOREHEADER) + colors *
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((coloruse == DIB_RGB_COLORS) ? sizeof(RGBTRIPLE) : sizeof(WORD));
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}
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else /* assume BITMAPINFOHEADER */
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{
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colors = info->bmiHeader.biClrUsed;
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if (!colors && (info->bmiHeader.biBitCount <= 8))
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colors = 1 << info->bmiHeader.biBitCount;
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return sizeof(BITMAPINFOHEADER) + colors *
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((coloruse == DIB_RGB_COLORS) ? sizeof(RGBQUAD) : sizeof(WORD));
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}
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}
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/***********************************************************************
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* DIB_GetBitmapInfo
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*
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* Get the info from a bitmap header.
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* Return 1 for INFOHEADER, 0 for COREHEADER, -1 for error.
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*/
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int DIB_GetBitmapInfo( const BITMAPINFOHEADER *header, DWORD *width,
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int *height, WORD *bpp, WORD *compr )
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{
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if (header->biSize == sizeof(BITMAPINFOHEADER))
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{
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*width = header->biWidth;
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*height = header->biHeight;
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*bpp = header->biBitCount;
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*compr = header->biCompression;
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return 1;
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}
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if (header->biSize == sizeof(BITMAPCOREHEADER))
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{
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BITMAPCOREHEADER *core = (BITMAPCOREHEADER *)header;
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*width = core->bcWidth;
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*height = core->bcHeight;
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*bpp = core->bcBitCount;
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*compr = 0;
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return 0;
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}
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WARN(bitmap, "(%ld): wrong size for header\n", header->biSize );
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return -1;
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}
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/***********************************************************************
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* StretchDIBits16 (GDI.439)
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*/
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INT16 WINAPI StretchDIBits16(HDC16 hdc, INT16 xDst, INT16 yDst, INT16 widthDst,
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INT16 heightDst, INT16 xSrc, INT16 ySrc, INT16 widthSrc,
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INT16 heightSrc, const VOID *bits,
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const BITMAPINFO *info, UINT16 wUsage, DWORD dwRop )
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{
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return (INT16)StretchDIBits( hdc, xDst, yDst, widthDst, heightDst,
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xSrc, ySrc, widthSrc, heightSrc, bits,
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info, wUsage, dwRop );
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}
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/***********************************************************************
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* StretchDIBits32 (GDI32.351)
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*/
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INT WINAPI StretchDIBits(HDC hdc, INT xDst, INT yDst, INT widthDst,
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INT heightDst, INT xSrc, INT ySrc, INT widthSrc,
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INT heightSrc, const void *bits,
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const BITMAPINFO *info, UINT wUsage, DWORD dwRop )
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{
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DC *dc = DC_GetDCPtr( hdc );
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if(!dc) return FALSE;
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if(dc->funcs->pStretchDIBits)
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return dc->funcs->pStretchDIBits(dc, xDst, yDst, widthDst,
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heightDst, xSrc, ySrc, widthSrc,
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heightSrc, bits, info, wUsage,
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dwRop);
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else { /* use StretchBlt32 */
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HBITMAP hBitmap, hOldBitmap;
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HDC hdcMem;
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hBitmap = CreateDIBitmap( hdc, &info->bmiHeader, CBM_INIT,
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bits, info, wUsage );
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hdcMem = CreateCompatibleDC( hdc );
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hOldBitmap = SelectObject( hdcMem, hBitmap );
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/* Origin for DIBitmap is bottom left ! */
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StretchBlt( hdc, xDst, yDst, widthDst, heightDst,
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hdcMem, xSrc, info->bmiHeader.biHeight - heightSrc - ySrc,
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widthSrc, heightSrc, dwRop );
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SelectObject( hdcMem, hOldBitmap );
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DeleteDC( hdcMem );
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DeleteObject( hBitmap );
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return heightSrc;
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}
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}
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/***********************************************************************
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* SetDIBits16 (GDI.440)
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*/
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INT16 WINAPI SetDIBits16( HDC16 hdc, HBITMAP16 hbitmap, UINT16 startscan,
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UINT16 lines, LPCVOID bits, const BITMAPINFO *info,
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UINT16 coloruse )
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{
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return SetDIBits( hdc, hbitmap, startscan, lines, bits, info, coloruse );
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}
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/******************************************************************************
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* SetDIBits32 [GDI32.312] Sets pixels in a bitmap using colors from DIB
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*
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* PARAMS
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* hdc [I] Handle to device context
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* hbitmap [I] Handle to bitmap
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* startscan [I] Starting scan line
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* lines [I] Number of scan lines
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* bits [I] Array of bitmap bits
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* info [I] Address of structure with data
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* coloruse [I] Type of color indexes to use
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*
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* RETURNS
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* Success: Number of scan lines copied
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* Failure: 0
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*/
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INT WINAPI SetDIBits( HDC hdc, HBITMAP hbitmap, UINT startscan,
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UINT lines, LPCVOID bits, const BITMAPINFO *info,
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UINT coloruse )
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{
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DIB_SETIMAGEBITS_DESCR descr;
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BITMAPOBJ * bmp;
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int height, tmpheight;
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INT result;
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/* Check parameters */
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descr.dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
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if (!descr.dc)
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{
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descr.dc = (DC *)GDI_GetObjPtr(hdc, METAFILE_DC_MAGIC);
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if (!descr.dc) return 0;
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}
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if (!(bmp = (BITMAPOBJ *)GDI_GetObjPtr( hbitmap, BITMAP_MAGIC )))
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{
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GDI_HEAP_UNLOCK( hdc );
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return 0;
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}
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if (DIB_GetBitmapInfo( &info->bmiHeader, &descr.infoWidth, &height,
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&descr.infoBpp, &descr.compression ) == -1)
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{
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GDI_HEAP_UNLOCK( hbitmap );
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GDI_HEAP_UNLOCK( hdc );
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return 0;
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}
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tmpheight = height;
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if (height < 0) height = -height;
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if (!lines || (startscan >= height))
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{
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GDI_HEAP_UNLOCK( hbitmap );
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GDI_HEAP_UNLOCK( hdc );
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return 0;
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}
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if (startscan + lines > height) lines = height - startscan;
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if (descr.infoBpp <= 8)
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{
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descr.colorMap = X11DRV_DIB_BuildColorMap( descr.dc, coloruse,
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bmp->bitmap.bmBitsPixel,
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info, &descr.nColorMap );
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if (!descr.colorMap)
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{
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GDI_HEAP_UNLOCK( hbitmap );
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GDI_HEAP_UNLOCK( hdc );
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return 0;
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}
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} else
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descr.colorMap = 0;
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/* HACK for now */
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if(!bmp->DDBitmap)
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X11DRV_CreateBitmap(hbitmap);
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{
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X11DRV_PHYSBITMAP *pbitmap = bmp->DDBitmap->physBitmap;
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descr.bits = bits;
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descr.image = NULL;
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descr.lines = tmpheight >= 0 ? lines : -lines;
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descr.depth = bmp->bitmap.bmBitsPixel;
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descr.drawable = pbitmap->pixmap;
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descr.gc = BITMAP_GC(bmp);
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descr.xSrc = 0;
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descr.ySrc = 0;
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descr.xDest = 0;
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descr.yDest = height - startscan - lines;
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descr.width = bmp->bitmap.bmWidth;
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descr.height = lines;
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}
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EnterCriticalSection( &X11DRV_CritSection );
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result = CALL_LARGE_STACK( X11DRV_DIB_SetImageBits, &descr );
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LeaveCriticalSection( &X11DRV_CritSection );
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if (descr.colorMap) HeapFree(GetProcessHeap(), 0, descr.colorMap);
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GDI_HEAP_UNLOCK( hdc );
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GDI_HEAP_UNLOCK( hbitmap );
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return result;
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}
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/***********************************************************************
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* SetDIBitsToDevice16 (GDI.443)
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*/
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INT16 WINAPI SetDIBitsToDevice16(HDC16 hdc, INT16 xDest, INT16 yDest, INT16 cx,
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INT16 cy, INT16 xSrc, INT16 ySrc, UINT16 startscan,
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UINT16 lines, LPCVOID bits, const BITMAPINFO *info,
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UINT16 coloruse )
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{
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return SetDIBitsToDevice( hdc, xDest, yDest, cx, cy, xSrc, ySrc,
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startscan, lines, bits, info, coloruse );
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}
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/***********************************************************************
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* SetDIBitsToDevice32 (GDI32.313)
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*/
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INT WINAPI SetDIBitsToDevice(HDC hdc, INT xDest, INT yDest, DWORD cx,
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DWORD cy, INT xSrc, INT ySrc, UINT startscan,
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UINT lines, LPCVOID bits, const BITMAPINFO *info,
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UINT coloruse )
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{
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INT ret;
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DC *dc;
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if (!(dc = DC_GetDCPtr( hdc ))) return 0;
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if(dc->funcs->pSetDIBitsToDevice)
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ret = dc->funcs->pSetDIBitsToDevice( dc, xDest, yDest, cx, cy, xSrc,
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ySrc, startscan, lines, bits,
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info, coloruse );
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else {
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FIXME(bitmap, "unimplemented on hdc %08x\n", hdc);
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ret = 0;
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}
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GDI_HEAP_UNLOCK( hdc );
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return ret;
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}
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/***********************************************************************
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* SetDIBColorTable16 (GDI.602)
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*/
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UINT16 WINAPI SetDIBColorTable16( HDC16 hdc, UINT16 startpos, UINT16 entries,
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RGBQUAD *colors )
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{
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return SetDIBColorTable( hdc, startpos, entries, colors );
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}
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/***********************************************************************
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* SetDIBColorTable32 (GDI32.311)
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*/
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UINT WINAPI SetDIBColorTable( HDC hdc, UINT startpos, UINT entries,
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RGBQUAD *colors )
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{
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DC * dc;
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PALETTEENTRY * palEntry;
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PALETTEOBJ * palette;
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RGBQUAD *end;
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dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
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if (!dc)
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{
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dc = (DC *)GDI_GetObjPtr(hdc, METAFILE_DC_MAGIC);
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if (!dc) return 0;
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}
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if (!(palette = (PALETTEOBJ*)GDI_GetObjPtr( dc->w.hPalette, PALETTE_MAGIC )))
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{
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return 0;
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}
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/* Transfer color info */
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if (dc->w.bitsPerPixel <= 8) {
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palEntry = palette->logpalette.palPalEntry + startpos;
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if (startpos + entries > (1 << dc->w.bitsPerPixel)) {
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entries = (1 << dc->w.bitsPerPixel) - startpos;
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}
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for (end = colors + entries; colors < end; palEntry++, colors++)
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{
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palEntry->peRed = colors->rgbRed;
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palEntry->peGreen = colors->rgbGreen;
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palEntry->peBlue = colors->rgbBlue;
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}
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} else {
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entries = 0;
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}
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GDI_HEAP_UNLOCK( dc->w.hPalette );
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return entries;
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}
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/***********************************************************************
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* GetDIBColorTable16 (GDI.603)
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*/
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UINT16 WINAPI GetDIBColorTable16( HDC16 hdc, UINT16 startpos, UINT16 entries,
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RGBQUAD *colors )
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{
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return GetDIBColorTable( hdc, startpos, entries, colors );
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}
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/***********************************************************************
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* GetDIBColorTable32 (GDI32.169)
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*/
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UINT WINAPI GetDIBColorTable( HDC hdc, UINT startpos, UINT entries,
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RGBQUAD *colors )
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{
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DC * dc;
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PALETTEENTRY * palEntry;
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PALETTEOBJ * palette;
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RGBQUAD *end;
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dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
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if (!dc)
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{
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dc = (DC *)GDI_GetObjPtr(hdc, METAFILE_DC_MAGIC);
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if (!dc) return 0;
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}
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if (!(palette = (PALETTEOBJ*)GDI_GetObjPtr( dc->w.hPalette, PALETTE_MAGIC )))
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{
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return 0;
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}
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/* Transfer color info */
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if (dc->w.bitsPerPixel <= 8) {
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palEntry = palette->logpalette.palPalEntry + startpos;
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if (startpos + entries > (1 << dc->w.bitsPerPixel)) {
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entries = (1 << dc->w.bitsPerPixel) - startpos;
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}
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for (end = colors + entries; colors < end; palEntry++, colors++)
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{
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colors->rgbRed = palEntry->peRed;
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colors->rgbGreen = palEntry->peGreen;
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colors->rgbBlue = palEntry->peBlue;
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colors->rgbReserved = 0;
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}
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} else {
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entries = 0;
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}
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GDI_HEAP_UNLOCK( dc->w.hPalette );
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return entries;
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}
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/***********************************************************************
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* GetDIBits16 (GDI.441)
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*/
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INT16 WINAPI GetDIBits16( HDC16 hdc, HBITMAP16 hbitmap, UINT16 startscan,
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UINT16 lines, LPVOID bits, BITMAPINFO * info,
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UINT16 coloruse )
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{
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return GetDIBits( hdc, hbitmap, startscan, lines, bits, info, coloruse );
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}
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/******************************************************************************
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* GetDIBits32 [GDI32.170] Retrieves bits of bitmap and copies to buffer
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*
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* RETURNS
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* Success: Number of scan lines copied from bitmap
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* Failure: 0
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*
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* http://www.microsoft.com/msdn/sdk/platforms/doc/sdk/win32/func/src/f30_14.htm
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*/
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INT WINAPI GetDIBits(
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HDC hdc, /* [in] Handle to device context */
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HBITMAP hbitmap, /* [in] Handle to bitmap */
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UINT startscan, /* [in] First scan line to set in dest bitmap */
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UINT lines, /* [in] Number of scan lines to copy */
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LPVOID bits, /* [out] Address of array for bitmap bits */
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BITMAPINFO * info, /* [out] Address of structure with bitmap data */
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UINT coloruse) /* [in] RGB or palette index */
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{
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DC * dc;
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BITMAPOBJ * bmp;
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PALETTEENTRY * palEntry;
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PALETTEOBJ * palette;
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XImage * bmpImage;
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int i, x, y;
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if (!lines) return 0;
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dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
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if (!dc)
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{
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dc = (DC *)GDI_GetObjPtr(hdc, METAFILE_DC_MAGIC);
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if (!dc) return 0;
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}
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if (!(bmp = (BITMAPOBJ *)GDI_GetObjPtr( hbitmap, BITMAP_MAGIC )))
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return 0;
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if (!(palette = (PALETTEOBJ*)GDI_GetObjPtr( dc->w.hPalette, PALETTE_MAGIC )))
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{
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GDI_HEAP_UNLOCK( hbitmap );
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return 0;
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}
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|
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/* Transfer color info (FIXME) */
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if (info && (info->bmiHeader.biBitCount <= 8) &&
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(bmp->bitmap.bmBitsPixel <= 8))
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{
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int colors = 1 << info->bmiHeader.biBitCount;
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info->bmiHeader.biClrUsed = 0;
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palEntry = palette->logpalette.palPalEntry;
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for (i = 0; i < colors; i++, palEntry++)
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{
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if (coloruse == DIB_RGB_COLORS)
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{
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info->bmiColors[i].rgbRed = palEntry->peRed;
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info->bmiColors[i].rgbGreen = palEntry->peGreen;
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info->bmiColors[i].rgbBlue = palEntry->peBlue;
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info->bmiColors[i].rgbReserved = 0;
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}
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else ((WORD *)info->bmiColors)[i] = (WORD)i;
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}
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}
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if (bits)
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{
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BYTE *bbits = (BYTE*)bits, *linestart;
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int dstwidth, yend, xend = bmp->bitmap.bmWidth;
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TRACE(bitmap, "%u scanlines of (%i,%i) -> (%i,%i) starting from %u\n",
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lines, bmp->bitmap.bmWidth, bmp->bitmap.bmHeight,
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(int)info->bmiHeader.biWidth, (int)info->bmiHeader.biHeight,
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startscan );
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|
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/* adjust number of scanlines to copy */
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if( lines > info->bmiHeader.biHeight ) lines = info->bmiHeader.biHeight;
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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 */
|
|
|
|
if(bmp->bitmap.bmWidth > info->bmiHeader.biWidth)
|
|
xend = info->bmiHeader.biWidth;
|
|
|
|
/* HACK for now */
|
|
if(!bmp->DDBitmap)
|
|
X11DRV_CreateBitmap(hbitmap);
|
|
|
|
dstwidth = DIB_GetDIBWidthBytes( info->bmiHeader.biWidth,
|
|
info->bmiHeader.biBitCount );
|
|
|
|
EnterCriticalSection( &X11DRV_CritSection );
|
|
bmpImage = (XImage *)CALL_LARGE_STACK( X11DRV_BITMAP_GetXImage, bmp );
|
|
|
|
linestart = bbits;
|
|
switch( info->bmiHeader.biBitCount )
|
|
{
|
|
case 8:
|
|
for( y = yend - 1; (int)y >= (int)startscan; y-- )
|
|
{
|
|
for( x = 0; x < xend; x++ )
|
|
*bbits++ = XGetPixel( bmpImage, x, y );
|
|
bbits = (linestart += dstwidth);
|
|
}
|
|
break;
|
|
case 1:
|
|
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 = (linestart += dstwidth);
|
|
}
|
|
break;
|
|
case 4:
|
|
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 = (linestart += dstwidth);
|
|
}
|
|
break;
|
|
case 15:
|
|
case 16:
|
|
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 = (linestart += dstwidth);
|
|
}
|
|
break;
|
|
case 24:
|
|
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 = (linestart += dstwidth);
|
|
}
|
|
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;
|
|
}
|
|
bbits = (linestart += dstwidth);
|
|
}
|
|
break;
|
|
default:
|
|
WARN(bitmap,"Unsupported depth %d\n",
|
|
info->bmiHeader.biBitCount);
|
|
break;
|
|
}
|
|
|
|
XDestroyImage( bmpImage );
|
|
LeaveCriticalSection( &X11DRV_CritSection );
|
|
|
|
if(bbits - (BYTE *)bits > info->bmiHeader.biSizeImage)
|
|
ERR(bitmap, "Buffer overrun. Please investigate.\n");
|
|
|
|
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;
|
|
}
|
|
TRACE(bitmap, "biSizeImage = %ld, biWidth = %ld, biHeight = %ld\n",
|
|
info->bmiHeader.biSizeImage, info->bmiHeader.biWidth,
|
|
info->bmiHeader.biHeight);
|
|
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 CreateDIBitmap( hdc, header, init, bits, data, coloruse );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* CreateDIBitmap32 (GDI32.37)
|
|
*/
|
|
HBITMAP WINAPI CreateDIBitmap( HDC hdc, const BITMAPINFOHEADER *header,
|
|
DWORD init, LPCVOID bits, const BITMAPINFO *data,
|
|
UINT coloruse )
|
|
{
|
|
HBITMAP handle;
|
|
BOOL 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 ? CreateBitmap( width, height, 1, MONITOR_GetDepth(&MONITOR_PrimaryMonitor), NULL ) :
|
|
CreateBitmap( width, height, 1, 1, NULL );
|
|
if (!handle) return 0;
|
|
|
|
if (init == CBM_INIT)
|
|
SetDIBits( 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;
|
|
INT effHeight = dib->dsBm.bmHeight >= 0? dib->dsBm.bmHeight
|
|
: -dib->dsBm.bmHeight;
|
|
INT 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, BOOL 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 BOOL DIB_FaultHandler( LPVOID res, LPCVOID addr )
|
|
{
|
|
BOOL handled = FALSE;
|
|
BITMAPOBJ *bmp;
|
|
|
|
bmp = (BITMAPOBJ *)GDI_GetObjPtr( (HBITMAP)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( (HBITMAP)res );
|
|
return handled;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* DIB_UpdateDIBSection
|
|
*/
|
|
void DIB_UpdateDIBSection( DC *dc, BOOL 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,
|
|
SEGPTR *bits, HANDLE section,
|
|
DWORD offset)
|
|
{
|
|
HBITMAP res = CreateDIBSection(hdc, bmi, usage, NULL, section,
|
|
offset);
|
|
|
|
if ( res )
|
|
{
|
|
BITMAPOBJ *bmp = (BITMAPOBJ *) GDI_GetObjPtr(res, BITMAP_MAGIC);
|
|
if ( bmp && bmp->dib )
|
|
{
|
|
DIBSECTION *dib = &bmp->dib->dibSection;
|
|
INT height = dib->dsBm.bmHeight >= 0 ?
|
|
dib->dsBm.bmHeight : -dib->dsBm.bmHeight;
|
|
INT size = dib->dsBmih.biSizeImage ?
|
|
dib->dsBmih.biSizeImage : dib->dsBm.bmWidthBytes * height;
|
|
if ( dib->dsBm.bmBits )
|
|
{
|
|
bmp->dib->selector =
|
|
SELECTOR_AllocBlock( dib->dsBm.bmBits, size,
|
|
SEGMENT_DATA, FALSE, FALSE );
|
|
}
|
|
printf("ptr = %p, size =%d, selector = %04x, segptr = %ld\n",
|
|
dib->dsBm.bmBits, size, bmp->dib->selector,
|
|
PTR_SEG_OFF_TO_SEGPTR(bmp->dib->selector, 0));
|
|
}
|
|
GDI_HEAP_UNLOCK( res );
|
|
|
|
if ( bits )
|
|
*bits = PTR_SEG_OFF_TO_SEGPTR( bmp->dib->selector, 0 );
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* CreateDIBSection32 (GDI32.36)
|
|
*/
|
|
HBITMAP WINAPI CreateDIBSection (HDC hdc, BITMAPINFO *bmi, UINT usage,
|
|
LPVOID *bits,HANDLE section,
|
|
DWORD offset)
|
|
{
|
|
HBITMAP res = 0;
|
|
BITMAPOBJ *bmp = NULL;
|
|
DIBSECTIONOBJ *dib = NULL;
|
|
int *colorMap = NULL;
|
|
int nColorMap;
|
|
|
|
/* Fill BITMAP32 structure with DIB data */
|
|
BITMAPINFOHEADER *bi = &bmi->bmiHeader;
|
|
INT effHeight, totalSize;
|
|
BITMAP 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->selector = 0;
|
|
|
|
dib->nColorMap = nColorMap;
|
|
dib->colorMap = colorMap;
|
|
}
|
|
|
|
/* Create Device Dependent Bitmap and add DIB pointer */
|
|
if (dib)
|
|
{
|
|
res = CreateDIBitmap(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) { DeleteObject(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);
|
|
|
|
if (dib->selector)
|
|
{
|
|
WORD count = (GET_SEL_LIMIT( dib->selector ) >> 16) + 1;
|
|
SELECTOR_FreeBlock( dib->selector, count );
|
|
}
|
|
|
|
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, UINT 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 = GetSysColor(COLOR_WINDOW);
|
|
c_S = GetSysColor(COLOR_3DSHADOW);
|
|
c_F = GetSysColor(COLOR_3DFACE);
|
|
c_L = GetSysColor(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);
|
|
}
|
|
}
|
|
}
|