diff options
Diffstat (limited to 'components/canvas/canvas_paint_thread.rs')
| -rw-r--r-- | components/canvas/canvas_paint_thread.rs | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/components/canvas/canvas_paint_thread.rs b/components/canvas/canvas_paint_thread.rs index 6e15a5ab489..1faf41a9aed 100644 --- a/components/canvas/canvas_paint_thread.rs +++ b/components/canvas/canvas_paint_thread.rs @@ -148,6 +148,12 @@ impl<'a> CanvasPaintThread<'a> { Canvas2dMsg::DrawImageSelf(image_size, dest_rect, source_rect, smoothing_enabled) => { painter.draw_image_self(image_size, dest_rect, source_rect, smoothing_enabled) } + Canvas2dMsg::DrawImageInOther( + renderer, image_size, dest_rect, source_rect, smoothing, sender + ) => { + painter.draw_image_in_other( + renderer, image_size, dest_rect, source_rect, smoothing, sender) + } Canvas2dMsg::MoveTo(ref point) => painter.move_to(point), Canvas2dMsg::LineTo(ref point) => painter.line_to(point), Canvas2dMsg::Rect(ref rect) => painter.rect(rect), @@ -371,6 +377,26 @@ impl<'a> CanvasPaintThread<'a> { } } + fn draw_image_in_other(&self, + renderer: IpcSender<CanvasMsg>, + image_size: Size2D<f64>, + dest_rect: Rect<f64>, + source_rect: Rect<f64>, + smoothing_enabled: bool, + sender: IpcSender<()>) { + let mut image_data = self.read_pixels(source_rect.to_i32(), image_size); + // TODO: avoid double byte_swap. + byte_swap(&mut image_data); + + let msg = CanvasMsg::Canvas2d(Canvas2dMsg::DrawImage( + image_data, source_rect.size, dest_rect, source_rect, smoothing_enabled)); + renderer.send(msg).unwrap(); + // We acknowledge to the caller here that the data was sent to the + // other canvas so that if JS immediately afterwards try to get the + // pixels of the other one, it won't retrieve the other values. + sender.send(()).unwrap(); + } + fn move_to(&self, point: &Point2D<AzFloat>) { self.path_builder.move_to(*point) } |