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gdi32: Add a fake 1-entry color table for 1-bpp ddbs.

This commit is contained in:
Huw Davies 2011-10-21 14:52:34 +01:00 committed by Alexandre Julliard
parent f1faeb0f28
commit f53d73a017
1 changed files with 18 additions and 2 deletions
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20
dlls/gdi32/dib.c
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@ -501,8 +501,24 @@ INT nulldrv_StretchDIBits( PHYSDEV dev, INT xDst, INT yDst, INT widthDst, INT he
err = dev->funcs->pPutImage( dev, 0, clip, dst_info, &src_bits, &src, &dst, rop );
if (err == ERROR_BAD_FORMAT)
{
err = convert_bits( src_info, &src, dst_info, &src_bits, FALSE );
if (!err) err = dev->funcs->pPutImage( dev, 0, clip, dst_info, &src_bits, &src, &dst, rop );
/* 1-bpp destination without a color table requires a fake 1-entry table
* that contains only the background color */
if (dst_info->bmiHeader.biBitCount == 1 && !dst_info->bmiHeader.biClrUsed)
{
COLORREF color = GetBkColor( dev->hdc );
dst_info->bmiColors[0].rgbRed = GetRValue( color );
dst_info->bmiColors[0].rgbGreen = GetGValue( color );
dst_info->bmiColors[0].rgbBlue = GetBValue( color );
dst_info->bmiColors[0].rgbReserved = 0;
dst_info->bmiHeader.biClrUsed = 1;
}
if (!(err = convert_bits( src_info, &src, dst_info, &src_bits, FALSE )))
{
/* get rid of the fake 1-bpp table */
if (dst_info->bmiHeader.biClrUsed == 1) dst_info->bmiHeader.biClrUsed = 0;
err = dev->funcs->pPutImage( dev, 0, clip, dst_info, &src_bits, &src, &dst, rop );
}
}
if (err == ERROR_TRANSFORM_NOT_SUPPORTED)