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Tackle half of canvas.toDataURL's FIXMEs (#30094)

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Signed-off-by: Ennui Langeweile <85590273+EnnuiL@users.noreply.github.com>
This commit is contained in:
Ennui Langeweile
2023-08-17 03:21:53 -03:00
committed by GitHub
parent 8a7fe40249
commit 6622b91f79
1 changed files with 7 additions and 7 deletions
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14
components/script/dom/htmlcanvaselement.rs
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@@ -31,7 +31,6 @@ use crate::dom::virtualmethods::VirtualMethods;
use crate::dom::webgl2renderingcontext::WebGL2RenderingContext;
use crate::dom::webglrenderingcontext::WebGLRenderingContext;
use crate::script_runtime::JSContext;
use base64::Engine;
use canvas_traits::canvas::{CanvasId, CanvasMsg, FromScriptMsg};
use canvas_traits::webgl::{GLContextAttributes, WebGLVersion};
use dom_struct::dom_struct;
@@ -425,16 +424,17 @@ impl HTMLCanvasElementMethods for HTMLCanvasElement {
};
// FIXME: Only handle image/png for now.
let mut png = Vec::new();
let mut url = "data:image/png;base64,".to_owned();
let mut encoder = base64::write::EncoderStringWriter::from_consumer(
&mut url,
&base64::engine::general_purpose::STANDARD,
);
// FIXME(nox): https://github.com/image-rs/image-png/issues/86
// FIXME(nox): https://github.com/image-rs/image-png/issues/87
PngEncoder::new(&mut png)
PngEncoder::new(&mut encoder)
.write_image(&file, self.Width(), self.Height(), ColorType::Rgba8)
.unwrap();
let mut url = "data:image/png;base64,".to_owned();
// FIXME(nox): Should this use base64::URL_SAFE?
// FIXME(nox): https://github.com/marshallpierce/rust-base64/pull/56
base64::engine::general_purpose::STANDARD.encode_string(&png, &mut url);
encoder.into_inner();
Ok(USVString(url))
}