gdiplus: Check SHADEBLENDCAPS only for printer devices.

Signed-off-by: Vincent Povirk <vincent@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Vincent Povirk 2017-05-22 13:20:58 -05:00 committed by Alexandre Julliard
parent e880c9ca8c
commit b8a8e1bde9
1 changed files with 4 additions and 2 deletions

View File

@ -324,7 +324,8 @@ static void transform_and_round_points(GpGraphics *graphics, POINT *pti,
static void gdi_alpha_blend(GpGraphics *graphics, INT dst_x, INT dst_y, INT dst_width, INT dst_height,
HDC hdc, INT src_x, INT src_y, INT src_width, INT src_height)
{
if (GetDeviceCaps(graphics->hdc, SHADEBLENDCAPS) == SB_NONE)
if (GetDeviceCaps(graphics->hdc, TECHNOLOGY) == DT_RASPRINTER &&
GetDeviceCaps(graphics->hdc, SHADEBLENDCAPS) == SB_NONE)
{
TRACE("alpha blending not supported by device, fallback to StretchBlt\n");
@ -404,7 +405,8 @@ static GpStatus alpha_blend_hdc_pixels(GpGraphics *graphics, INT dst_x, INT dst_
hbitmap = CreateDIBSection(hdc, (BITMAPINFO*)&bih, DIB_RGB_COLORS,
(void**)&temp_bits, NULL, 0);
if (GetDeviceCaps(graphics->hdc, SHADEBLENDCAPS) == SB_NONE ||
if ((GetDeviceCaps(graphics->hdc, TECHNOLOGY) == DT_RASPRINTER &&
GetDeviceCaps(graphics->hdc, SHADEBLENDCAPS) == SB_NONE) ||
fmt & PixelFormatPAlpha)
memcpy(temp_bits, src, src_width * src_height * 4);
else