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pixman: add qemu_pixman_color()

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Helper function to map qemu colors (32bit integer + matching PixelFormat)
into pixman_color_t.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Gerd Hoffmann 2013-03-06 14:14:17 +01:00
parent eb2f9b024d
commit 867c538f98
2 changed files with 13 additions and 0 deletions
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11
ui/qemu-pixman.c
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@ -79,3 +79,14 @@ void qemu_pixman_image_unref(pixman_image_t *image)
}
pixman_image_unref(image);
}
pixman_color_t qemu_pixman_color(PixelFormat *pf, uint32_t color)
{
pixman_color_t c;
c.red = ((color & pf->rmask) >> pf->rshift) << (16 - pf->rbits);
c.green = ((color & pf->gmask) >> pf->gshift) << (16 - pf->gbits);
c.blue = ((color & pf->bmask) >> pf->bshift) << (16 - pf->bbits);
c.alpha = ((color & pf->amask) >> pf->ashift) << (16 - pf->abits);
return c;
}