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Inline write_pixels

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This commit is contained in:
David Zbarsky 2015-08-08 05:15:20 -04:00
parent 51938d579f
commit 05c78fbd48
1 changed files with 1 additions and 17 deletions
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18
components/canvas/canvas_paint_task.rs
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@ -732,23 +732,7 @@ fn write_image(draw_target: &DrawTarget,
let image_rect = Rect::new(Point2D::zero(), image_size);
// rgba -> bgra
byte_swap(&mut image_data);
write_pixels(&draw_target, &image_data, image_size, image_rect,
dest_rect, smoothing_enabled, composition_op, global_alpha);
}
/// It writes image data to the target
/// draw_target: the destination target where the imagedata will be copied
/// source_rect: the area of the image data to be written
/// dest_rect: The area of the target where the imagedata will be copied
/// smoothing_enabled: if smoothing is applied to the copied pixels
fn write_pixels(draw_target: &DrawTarget,
image_data: &[u8],
image_size: Size2D<f64>,
source_rect: Rect<f64>,
dest_rect: Rect<f64>,
smoothing_enabled: bool,
composition_op: CompositionOp,
global_alpha: f32) {
// From spec https://html.spec.whatwg.org/multipage/#dom-context-2d-drawimage
// When scaling up, if the imageSmoothingEnabled attribute is set to true, the user agent should attempt
// to apply a smoothing algorithm to the image data when it is scaled.
@ -770,7 +754,7 @@ fn write_pixels(draw_target: &DrawTarget,
draw_target.draw_surface(source_surface,
dest_rect.to_azfloat(),
source_rect.to_azfloat(),
image_rect.to_azfloat(),
draw_surface_options,
draw_options);
}