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Fix _cairo_surface_is_opaque to return FALSE not TRUE for non-image surfaces.

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This commit is contained in:
Carl Worth 2006-04-14 17:29:19 -07:00
parent e890bfd2bf
commit db111197ac
1 changed files with 9 additions and 1 deletions
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10
src/cairo-surface.c
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@ -1710,6 +1710,14 @@ _format_is_opaque (cairo_format_t format)
return FALSE;
}
/* XXX: This function is funny in a couple of ways. First it seems to
* be computing something like "not translucent" rather than "opaque"
* since it returns TRUE for an A1 image surface. Second, it just
* gives up on anything other than an image surface.
*
* I imagine something that might be more useful here (or in addition)
* would be cairo_surface_get_content.
*/
cairo_bool_t
_cairo_surface_is_opaque (const cairo_surface_t *surface)
{
@ -1719,5 +1727,5 @@ _cairo_surface_is_opaque (const cairo_surface_t *surface)
return _format_is_opaque (image_surface->format);
}
return TRUE;
return FALSE;
}