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use standard pixel format for pdc->alpha_pixel_format

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Vincent Wei
2019-04-07 17:19:12 +08:00
parent 944d2ca8ae
commit a0aaccdfd0
1 changed files with 12 additions and 12 deletions
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24
src/newgdi/attr.c
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@@ -75,22 +75,22 @@ static int make_alpha_pixel_format (PDC pdc)
if (pdc->alpha_pixel_format == NULL) {
switch (pdc->surface->format->BytesPerPixel) {
case 2:
Rmask = 0x0000F000;
Gmask = 0x00000F00;
Bmask = 0x000000F0;
Amask = 0x0000000F;
Amask = 0x0000F000;
Rmask = 0x00000F00;
Gmask = 0x000000F0;
Bmask = 0x0000000F;
break;
case 3:
Rmask = 0x00FC0000;
Gmask = 0x0003F000;
Bmask = 0x00000FC0;
Amask = 0x0000003F;
Amask = 0x00FC0000;
Rmask = 0x0003F000;
Gmask = 0x00000FC0;
Bmask = 0x0000003F;
break;
case 4:
Rmask = 0xFF000000;
Gmask = 0x00FF0000;
Bmask = 0x0000FF00;
Amask = 0x000000FF;
Amask = 0xFF000000;
Rmask = 0x00FF0000;
Gmask = 0x0000FF00;
Bmask = 0x000000FF;
break;
default:
return -1;