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gdi32: Set the color maps to the destination DC colors for 1-bpp images.

This commit is contained in:
Alexandre Julliard 2011-07-19 14:11:04 +02:00
parent 07528a24b9
commit 414fe85c8a
1 changed files with 32 additions and 0 deletions
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32
dlls/gdi32/bitblt.c
View File

@ -224,6 +224,34 @@ try_get_image:
{
RECT src_rect = src->visrect;
/* 1-bpp source without a color table uses the destination DC colors */
if (src_info->bmiHeader.biBitCount == 1 && !src_info->bmiHeader.biClrUsed)
{
COLORREF color = GetTextColor( dst_dev->hdc );
src_info->bmiColors[0].rgbRed = GetRValue( color );
src_info->bmiColors[0].rgbGreen = GetGValue( color );
src_info->bmiColors[0].rgbBlue = GetBValue( color );
src_info->bmiColors[0].rgbReserved = 0;
color = GetBkColor( dst_dev->hdc );
src_info->bmiColors[1].rgbRed = GetRValue( color );
src_info->bmiColors[1].rgbGreen = GetGValue( color );
src_info->bmiColors[1].rgbBlue = GetBValue( color );
src_info->bmiColors[1].rgbReserved = 0;
src_info->bmiHeader.biClrUsed = 2;
}
/* 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( src_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;
}
offset_rect( &src_rect, src_bits.offset - src->visrect.left, -src->visrect.top );
dst_info->bmiHeader.biWidth = src_rect.right - src_rect.left;
dst_bits.ptr = HeapAlloc( GetProcessHeap(), 0, get_dib_image_size( dst_info ));
@ -233,7 +261,11 @@ try_get_image:
dst_bits.offset = 0;
dst_bits.free = free_heap_bits;
if (!(err = convert_bitmapinfo( src_info, src_bits.ptr, &src_rect, dst_info, dst_bits.ptr )))
{
/* get rid of the fake 1-bpp table */
if (dst_info->bmiHeader.biClrUsed == 1) dst_info->bmiHeader.biClrUsed = 0;
err = dst_dev->funcs->pPutImage( dst_dev, 0, dst_info, &dst_bits, &dst->visrect, rop );
}
if (dst_bits.free) dst_bits.free( &dst_bits );
}
else err = ERROR_OUTOFMEMORY;