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We don't support GetDIBits with BI_RLE4/8, so for now return an 

uncompressed bitmap if the bits buffer is large enough.
This commit is contained in:
Huw Davies 2004-03-30 20:39:09 +00:00 committed by Alexandre Julliard
parent fddf5ce12c
commit 210b54670c
1 changed files with 22 additions and 15 deletions
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37
dlls/x11drv/dib.c
View File

@ -72,6 +72,7 @@ typedef struct
DWORD bMask;
BOOL useShm;
int dibpitch;
DWORD sizeImage;
} X11DRV_DIB_IMAGEBITS_DESCR;
@ -3516,24 +3517,27 @@ static int X11DRV_DIB_GetImageBits( const X11DRV_DIB_IMAGEBITS_DESCR *descr )
break;
case 4:
if (descr->compression)
if (descr->compression) {
FIXME("Compression not yet supported!\n");
else
X11DRV_DIB_GetImageBits_4( descr->lines,(LPVOID)descr->bits,
descr->infoWidth, descr->width,
descr->colorMap, descr->palentry,
bmpImage, descr->dibpitch );
break;
if(descr->sizeImage < X11DRV_DIB_GetDIBWidthBytes( descr->infoWidth, 4 ) * abs(descr->lines))
break;
}
X11DRV_DIB_GetImageBits_4( descr->lines,(LPVOID)descr->bits,
descr->infoWidth, descr->width,
descr->colorMap, descr->palentry,
bmpImage, descr->dibpitch );
break;
case 8:
if (descr->compression)
if (descr->compression) {
FIXME("Compression not yet supported!\n");
else
X11DRV_DIB_GetImageBits_8( descr->lines, (LPVOID)descr->bits,
descr->infoWidth, descr->width,
descr->colorMap, descr->palentry,
bmpImage, descr->dibpitch );
break;
if(descr->sizeImage < X11DRV_DIB_GetDIBWidthBytes( descr->infoWidth, 8 ) * abs(descr->lines))
break;
}
X11DRV_DIB_GetImageBits_8( descr->lines, (LPVOID)descr->bits,
descr->infoWidth, descr->width,
descr->colorMap, descr->palentry,
bmpImage, descr->dibpitch );
break;
case 15:
case 16:
X11DRV_DIB_GetImageBits_16( descr->lines, (LPVOID)descr->bits,
@ -3875,6 +3879,7 @@ INT X11DRV_GetDIBits( X11DRV_PDEVICE *physDev, HBITMAP hbitmap, UINT startscan,
descr.xDest = 0;
descr.yDest = 0;
descr.xSrc = 0;
descr.sizeImage = info->bmiHeader.biSizeImage;
if (descr.lines > 0)
{
@ -4001,6 +4006,8 @@ static void X11DRV_DIB_DoCopyDIBSection(BITMAPOBJ *bmp, BOOL toDIB,
descr.yDest = yDest;
descr.width = width;
descr.height = height;
descr.sizeImage = 0;
#ifdef HAVE_LIBXXSHM
descr.useShm = (dib->shminfo.shmid != -1);
#else