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xlib: Tidy conversion of xrender format to cairo_content_t

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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2012-02-23 13:40:59 +00:00
parent d95cf87c03
commit cc09b29752
1 changed files with 9 additions and 13 deletions
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22
src/cairo-xlib-surface.c
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@ -237,26 +237,22 @@ _visual_for_xrender_format(Screen *screen,
static cairo_content_t
_xrender_format_to_content (XRenderPictFormat *xrender_format)
{
cairo_bool_t xrender_format_has_alpha;
cairo_bool_t xrender_format_has_color;
cairo_content_t content;
/* This only happens when using a non-Render server. Let's punt
* and say there's no alpha here. */
if (xrender_format == NULL)
return CAIRO_CONTENT_COLOR;
xrender_format_has_alpha = (xrender_format->direct.alphaMask != 0);
xrender_format_has_color = (xrender_format->direct.redMask != 0 ||
xrender_format->direct.greenMask != 0 ||
xrender_format->direct.blueMask != 0);
content = 0;
if (xrender_format->direct.alphaMask)
content |= CAIRO_CONTENT_ALPHA;
if (xrender_format->direct.redMask |
xrender_format->direct.greenMask |
xrender_format->direct.blueMask)
content |= CAIRO_CONTENT_COLOR;
if (xrender_format_has_alpha)
if (xrender_format_has_color)
return CAIRO_CONTENT_COLOR_ALPHA;
else
return CAIRO_CONTENT_ALPHA;
else
return CAIRO_CONTENT_COLOR;
return content;
}
static cairo_surface_t *