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CanvasRenderTask connected to Layout

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Update rust-azure to f4a02f3f621b0a994a20d42e438371a87c62f898.
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Edit Balint 2014-11-27 18:25:47 +01:00
parent 43e34d6d10
commit 81f47344d6
11 changed files with 359 additions and 130 deletions
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22
components/canvas/canvas_paint_task.rs
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@ -9,13 +9,15 @@ use geom::size::Size2D;
use servo_util::task::spawn_named;
use std::comm;
use std::sync::Arc;
#[deriving(Copy)]
#[deriving(Clone)]
pub enum CanvasMsg {
FillRect(Rect<f32>),
ClearRect(Rect<f32>),
StrokeRect(Rect<f32>),
Recreate(Size2D<i32>),
SendPixelContents(Sender<Arc<Vec<u8>>>),
Close,
}
@ -29,7 +31,7 @@ pub struct CanvasPaintTask {
impl CanvasPaintTask {
fn new(size: Size2D<i32>) -> CanvasPaintTask {
CanvasPaintTask {
drawtarget: CanvasPaintTask::create(size),
drawtarget: CanvasPaintTask::create_with_data(size),
fill_color: ColorPattern::new(Color::new(0., 0., 0., 1.)),
stroke_color: ColorPattern::new(Color::new(0., 0., 0., 1.)),
stroke_opts: StrokeOptions::new(1.0, 1.0),
@ -47,6 +49,7 @@ impl CanvasPaintTask {
CanvasMsg::StrokeRect(ref rect) => painter.stroke_rect(rect),
CanvasMsg::ClearRect(ref rect) => painter.clear_rect(rect),
CanvasMsg::Recreate(size) => painter.recreate(size),
CanvasMsg::SendPixelContents(chan) => painter.send_pixel_contents(chan),
CanvasMsg::Close => break,
}
}
@ -68,11 +71,20 @@ impl CanvasPaintTask {
self.drawtarget.stroke_rect(rect, &self.stroke_color, &self.stroke_opts, &drawopts);
}
fn create(size: Size2D<i32>) -> DrawTarget {
DrawTarget::new(BackendType::Skia, size, SurfaceFormat::B8G8R8A8)
fn create_with_data(size: Size2D<i32>) -> DrawTarget {
DrawTarget::new_with_data(BackendType::Skia,
Vec::from_elem((size.width * size.height * 4) as uint, 0u8),
0,
size,
size.width * 4,
SurfaceFormat::B8G8R8A8)
}
fn recreate(&mut self, size: Size2D<i32>) {
self.drawtarget = CanvasPaintTask::create(size);
self.drawtarget = CanvasPaintTask::create_with_data(size);
}
fn send_pixel_contents(&mut self, chan: Sender<Arc<Vec<u8>>>) {
chan.send(self.drawtarget.data.clone().unwrap());
}
}