gdiplus: Round up when converting from 32-bit ARGB to PARGB.

This commit is contained in:
Dmitry Timoshkov 2013-02-25 13:30:32 +08:00 committed by Alexandre Julliard
parent ada3aea736
commit d23bfd8dfc
2 changed files with 3 additions and 4 deletions

View file

@ -442,9 +442,9 @@ void convert_32bppARGB_to_32bppPARGB(UINT width, UINT height,
for (x=0; x<width; x++)
{
BYTE alpha=src[3];
*dst++ = *src++ * alpha / 255;
*dst++ = *src++ * alpha / 255;
*dst++ = *src++ * alpha / 255;
*dst++ = (*src++ * alpha + 127) / 255;
*dst++ = (*src++ * alpha + 127) / 255;
*dst++ = (*src++ * alpha + 127) / 255;
*dst++ = *src++;
}
}

View file

@ -4129,7 +4129,6 @@ static void test_ARGB_conversion(void)
ok(data.Stride == 8, "expected 8, got %d\n", data.Stride);
ok(data.PixelFormat == PixelFormat32bppPARGB, "expected PixelFormat32bppPARGB, got %d\n", data.PixelFormat);
match = !memcmp(data.Scan0, pargb, sizeof(pargb));
todo_wine
ok(match, "bits don't match\n");
if (!match)
{