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Pass a Rect instead of an Option<Rect> to PutImageData

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This commit is contained in:
David Zbarsky 2015-08-08 04:50:55 -04:00
parent 78792cced2
commit 48c24f8492
3 changed files with 5 additions and 14 deletions
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13
components/canvas/canvas_paint_task.rs
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@ -594,7 +594,7 @@ impl<'a> CanvasPaintTask<'a> {
fn put_image_data(&mut self, mut imagedata: Vec<u8>,
image_data_rect: Rect<f64>,
dirty_rect: Option<Rect<f64>>) {
dirty_rect: Rect<f64>) {
if image_data_rect.size.width <= 0.0 || image_data_rect.size.height <= 0.0 {
return
@ -604,18 +604,9 @@ impl<'a> CanvasPaintTask<'a> {
// rgba -> bgra
byte_swap(&mut imagedata);
let image_rect = Rect::new(Point2D::zero(),
Size2D::new(image_data_rect.size.width, image_data_rect.size.height));
// Dirty rectangle defines the area of the source image to be copied
// on the destination canvas
let source_rect = match dirty_rect {
Some(dirty_rect) =>
self.calculate_dirty_rect(dirty_rect, image_data_rect),
// If no dirty area is provided we consider the whole source image
// as the area to be copied to the canvas
None => image_rect,
};
let source_rect = self.calculate_dirty_rect(dirty_rect, image_data_rect);
// 5) If either dirtyWidth or dirtyHeight is negative or zero,
// stop without affecting any bitmaps