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gdi32: Improve support of bitmaps without a color table in PutImage.

This commit is contained in:
Alexandre Julliard 2012-05-29 13:53:30 +02:00
parent 50d53928e0
commit c2784e08fc
1 changed files with 14 additions and 5 deletions
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19
dlls/gdi32/dibdrv/bitblt.c
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@ -871,16 +871,25 @@ done:
static BOOL matching_color_info( const dib_info *dib, const BITMAPINFO *info )
{
const RGBQUAD *color_table = info->bmiColors;
switch (info->bmiHeader.biBitCount)
{
case 1:
case 4:
case 8:
{
RGBQUAD *color_table = (RGBQUAD *)((char *)info + info->bmiHeader.biSize);
if (dib->color_table_size != info->bmiHeader.biClrUsed) return FALSE;
return !memcmp( color_table, dib->color_table, dib->color_table_size * sizeof(RGBQUAD) );
}
case 4:
case 8:
if (!info->bmiHeader.biClrUsed)
{
if (!dib->color_table_size) return TRUE;
if (dib->color_table_size != 1 << info->bmiHeader.biBitCount) return FALSE;
color_table = get_default_color_table( info->bmiHeader.biBitCount );
}
else if (dib->color_table_size != info->bmiHeader.biClrUsed) return FALSE;
return !memcmp( color_table, dib->color_table, dib->color_table_size * sizeof(RGBQUAD) );
case 16:
{