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Make ImageData::new return Fallible instead of panic

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This commit is contained in:
Lucjan Suski 2017-03-20 21:16:55 +01:00
parent 17098ddc8f
commit c83ac31e71
2 changed files with 12 additions and 8 deletions
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12
components/script/dom/canvasrenderingcontext2d.rs
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@ -998,15 +998,15 @@ impl CanvasRenderingContext2DMethods for CanvasRenderingContext2D {
let sw = cmp::max(1, sw.abs().to_u32().unwrap());
let sh = cmp::max(1, sh.abs().to_u32().unwrap());
Ok(ImageData::new(&self.global(), sw, sh, None))
ImageData::new(&self.global(), sw, sh, None)
}
// https://html.spec.whatwg.org/multipage/#dom-context-2d-createimagedata
fn CreateImageData_(&self, imagedata: &ImageData) -> Fallible<Root<ImageData>> {
Ok(ImageData::new(&self.global(),
imagedata.Width(),
imagedata.Height(),
None))
ImageData::new(&self.global(),
imagedata.Width(),
imagedata.Height(),
None)
}
// https://html.spec.whatwg.org/multipage/#dom-context-2d-getimagedata
@ -1059,7 +1059,7 @@ impl CanvasRenderingContext2DMethods for CanvasRenderingContext2D {
chunk[2] = UNPREMULTIPLY_TABLE[256 * alpha + chunk[2] as usize];
}
Ok(ImageData::new(&self.global(), sw, sh, Some(data)))
ImageData::new(&self.global(), sw, sh, Some(data))
}
// https://html.spec.whatwg.org/multipage/#dom-context-2d-putimagedata