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add check for self.context existence in composite_specific_target()

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This commit is contained in:
Mike Blumenkrantz 2015-05-18 15:35:14 -04:00
parent 8330eabac1
commit 9f7aacdacf
1 changed files with 5 additions and 2 deletions
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7
components/compositing/compositor.rs
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@ -1288,8 +1288,11 @@ impl<Window: WindowMethods> IOCompositor<Window> {
self.composite_specific_target(target); self.composite_specific_target(target);
} }
fn composite_specific_target(&mut self, target: CompositeTarget) -> Option<png::Image> { pub fn composite_specific_target(&mut self, target: CompositeTarget) -> Option<png::Image> {
if !self.window.prepare_for_composite() { if !self.context.is_some() {
return None
}
if !self.window.prepare_for_composite(width, height) {
return None return None
} }