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Auto merge of #20447 - Brody-Eastwood:master, r=jdm
NCSU Canvas Rendering Project Initial Steps <!-- Please describe your changes on the following line: --> Implements the initial steps from: https://github.com/servo/servo/wiki/Canvas-rendering-project --- <!-- Thank you for contributing to Servo! Please replace each `[ ]` by `[X]` when the step is complete, and replace `__` with appropriate data: --> - [X] `./mach build -d` does not report any errors - [X] `./mach test-tidy` does not report any errors - [ ] These changes fix #__ (github issue number if applicable). <!-- Either: --> - [X] There are tests for these changes OR - [ ] These changes do not require tests because _____ <!-- Also, please make sure that "Allow edits from maintainers" checkbox is checked, so that we can help you if you get stuck somewhere along the way.--> <!-- Pull requests that do not address these steps are welcome, but they will require additional verification as part of the review process. --> <!-- Reviewable:start --> --- This change is [<img src="https://reviewable.io/review_button.svg" height="34" align="absmiddle" alt="Reviewable"/>](https://reviewable.io/reviews/servo/servo/20447) <!-- Reviewable:end -->
This commit is contained in:
bors-servo
GitHub
commit
9cd60c8e78
13 changed files with 334 additions and 155 deletions
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@ -30,7 +30,7 @@
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//! `JSTraceable` to a datatype.
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use app_units::Au;
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use canvas_traits::canvas::{CanvasGradientStop, LinearGradientStyle, RadialGradientStyle};
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use canvas_traits::canvas::{CanvasGradientStop, CanvasId, LinearGradientStyle, RadialGradientStyle};
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use canvas_traits::canvas::{CompositionOrBlending, LineCapStyle, LineJoinStyle, RepetitionStyle};
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use canvas_traits::webgl::{WebGLBufferId, WebGLFramebufferId, WebGLProgramId, WebGLRenderbufferId};
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use canvas_traits::webgl::{WebGLChan, WebGLContextShareMode, WebGLError, WebGLPipeline, WebGLMsgSender};
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@ -423,6 +423,7 @@ unsafe_no_jsmanaged_fields!(WebVRGamepadHand);
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unsafe_no_jsmanaged_fields!(ScriptToConstellationChan);
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unsafe_no_jsmanaged_fields!(InteractiveMetrics);
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unsafe_no_jsmanaged_fields!(InteractiveWindow);
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unsafe_no_jsmanaged_fields!(CanvasId);
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unsafe impl<'a> JSTraceable for &'a str {
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#[inline]
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@ -2,7 +2,7 @@
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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use canvas_traits::canvas::{Canvas2dMsg, CanvasMsg};
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use canvas_traits::canvas::{Canvas2dMsg, CanvasMsg, CanvasId};
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use canvas_traits::canvas::{CompositionOrBlending, FillOrStrokeStyle, FillRule};
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use canvas_traits::canvas::{LineCapStyle, LineJoinStyle, LinearGradientStyle};
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use canvas_traits::canvas::{RadialGradientStyle, RepetitionStyle, byte_swap_and_premultiply};
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@ -78,6 +78,7 @@ pub struct CanvasRenderingContext2D {
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state: DomRefCell<CanvasContextState>,
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saved_states: DomRefCell<Vec<CanvasContextState>>,
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origin_clean: Cell<bool>,
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canvas_id: CanvasId,
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}
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#[must_root]
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@ -133,7 +134,7 @@ impl CanvasRenderingContext2D {
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let script_to_constellation_chan = global.script_to_constellation_chan();
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debug!("Asking constellation to create new canvas thread.");
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script_to_constellation_chan.send(ScriptMsg::CreateCanvasPaintThread(size, sender)).unwrap();
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let ipc_renderer = receiver.recv().unwrap();
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let (ipc_renderer, canvas_id) = receiver.recv().unwrap();
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debug!("Done.");
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CanvasRenderingContext2D {
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reflector_: Reflector::new(),
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@ -145,6 +146,7 @@ impl CanvasRenderingContext2D {
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state: DomRefCell::new(CanvasContextState::new()),
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saved_states: DomRefCell::new(Vec::new()),
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origin_clean: Cell::new(true),
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canvas_id: canvas_id,
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}
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}
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@ -165,7 +167,7 @@ impl CanvasRenderingContext2D {
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pub fn set_bitmap_dimensions(&self, size: Size2D<i32>) {
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self.reset_to_initial_state();
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self.ipc_renderer
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.send(CanvasMsg::Recreate(size))
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.send(CanvasMsg::Recreate(size, self.get_canvas_id()))
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.unwrap();
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}
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@ -182,9 +184,7 @@ impl CanvasRenderingContext2D {
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}
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fn update_transform(&self) {
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self.ipc_renderer
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.send(CanvasMsg::Canvas2d(Canvas2dMsg::SetTransform(self.state.borrow().transform)))
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.unwrap()
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self.send_canvas_2d_msg(Canvas2dMsg::SetTransform(self.state.borrow().transform))
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}
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// It is used by DrawImage to calculate the size of the source and destination rectangles based
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@ -363,9 +363,8 @@ impl CanvasRenderingContext2D {
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let smoothing_enabled = self.state.borrow().image_smoothing_enabled;
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if self.canvas.as_ref().map_or(false, |c| &**c == canvas) {
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let msg = CanvasMsg::Canvas2d(Canvas2dMsg::DrawImageSelf(
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self.send_canvas_2d_msg(Canvas2dMsg::DrawImageSelf(
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image_size, dest_rect, source_rect, smoothing_enabled));
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self.ipc_renderer.send(msg).unwrap();
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} else {
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let context = match canvas.get_or_init_2d_context() {
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Some(context) => context,
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@ -375,11 +374,13 @@ impl CanvasRenderingContext2D {
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let (sender, receiver) = ipc::channel(self.global().time_profiler_chan().clone()).unwrap();
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let msg = CanvasMsg::Canvas2d(Canvas2dMsg::DrawImageInOther(
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self.ipc_renderer.clone(),
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self.get_canvas_id(),
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image_size,
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dest_rect,
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source_rect,
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smoothing_enabled,
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sender));
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sender),
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context.get_canvas_id());
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let renderer = context.get_ipc_renderer();
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renderer.send(msg).unwrap();
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@ -453,13 +454,13 @@ impl CanvasRenderingContext2D {
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}
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let smoothing_enabled = self.state.borrow().image_smoothing_enabled;
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self.ipc_renderer.send(CanvasMsg::Canvas2d(Canvas2dMsg::DrawImage(
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self.send_canvas_2d_msg(Canvas2dMsg::DrawImage(
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image_data.into(),
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image_size,
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dest_rect,
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source_rect,
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smoothing_enabled,
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))).unwrap();
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));
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self.mark_as_dirty();
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Ok(())
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}
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@ -557,6 +558,14 @@ impl CanvasRenderingContext2D {
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}
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}
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pub fn get_canvas_id(&self) -> CanvasId {
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self.canvas_id.clone()
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}
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pub fn send_canvas_2d_msg(&self, msg: Canvas2dMsg) {
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self.ipc_renderer.send(CanvasMsg::Canvas2d(msg, self.get_canvas_id())).unwrap()
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}
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pub fn get_ipc_renderer(&self) -> IpcSender<CanvasMsg> {
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self.ipc_renderer.clone()
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}
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@ -573,6 +582,8 @@ impl CanvasRenderingContext2D {
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pub trait LayoutCanvasRenderingContext2DHelpers {
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#[allow(unsafe_code)]
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unsafe fn get_ipc_renderer(&self) -> IpcSender<CanvasMsg>;
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#[allow(unsafe_code)]
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unsafe fn get_canvas_id(&self) -> CanvasId;
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}
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impl LayoutCanvasRenderingContext2DHelpers for LayoutDom<CanvasRenderingContext2D> {
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@ -580,6 +591,11 @@ impl LayoutCanvasRenderingContext2DHelpers for LayoutDom<CanvasRenderingContext2
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unsafe fn get_ipc_renderer(&self) -> IpcSender<CanvasMsg> {
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(*self.unsafe_get()).ipc_renderer.clone()
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}
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#[allow(unsafe_code)]
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unsafe fn get_canvas_id(&self) -> CanvasId {
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(*self.unsafe_get()).canvas_id.clone()
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}
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}
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// We add a guard to each of methods by the spec:
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@ -602,7 +618,7 @@ impl CanvasRenderingContext2DMethods for CanvasRenderingContext2D {
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// https://html.spec.whatwg.org/multipage/#dom-context-2d-save
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fn Save(&self) {
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self.saved_states.borrow_mut().push(self.state.borrow().clone());
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self.ipc_renderer.send(CanvasMsg::Canvas2d(Canvas2dMsg::SaveContext)).unwrap();
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self.send_canvas_2d_msg(Canvas2dMsg::SaveContext);
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}
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#[allow(unrooted_must_root)]
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@ -611,7 +627,7 @@ impl CanvasRenderingContext2DMethods for CanvasRenderingContext2D {
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let mut saved_states = self.saved_states.borrow_mut();
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if let Some(state) = saved_states.pop() {
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self.state.borrow_mut().clone_from(&state);
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self.ipc_renderer.send(CanvasMsg::Canvas2d(Canvas2dMsg::RestoreContext)).unwrap();
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self.send_canvas_2d_msg(Canvas2dMsg::RestoreContext);
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}
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}
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@ -696,9 +712,7 @@ impl CanvasRenderingContext2DMethods for CanvasRenderingContext2D {
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}
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self.state.borrow_mut().global_alpha = alpha;
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self.ipc_renderer
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.send(CanvasMsg::Canvas2d(Canvas2dMsg::SetGlobalAlpha(alpha as f32)))
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.unwrap()
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self.send_canvas_2d_msg(Canvas2dMsg::SetGlobalAlpha(alpha as f32))
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}
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// https://html.spec.whatwg.org/multipage/#dom-context-2d-globalcompositeoperation
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@ -714,16 +728,14 @@ impl CanvasRenderingContext2DMethods for CanvasRenderingContext2D {
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fn SetGlobalCompositeOperation(&self, op_str: DOMString) {
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if let Ok(op) = CompositionOrBlending::from_str(&op_str) {
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self.state.borrow_mut().global_composition = op;
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self.ipc_renderer
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.send(CanvasMsg::Canvas2d(Canvas2dMsg::SetGlobalComposition(op)))
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.unwrap()
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self.send_canvas_2d_msg(Canvas2dMsg::SetGlobalComposition(op))
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}
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}
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// https://html.spec.whatwg.org/multipage/#dom-context-2d-fillrect
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fn FillRect(&self, x: f64, y: f64, width: f64, height: f64) {
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if let Some(rect) = self.create_drawable_rect(x, y, width, height) {
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self.ipc_renderer.send(CanvasMsg::Canvas2d(Canvas2dMsg::FillRect(rect))).unwrap();
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self.send_canvas_2d_msg(Canvas2dMsg::FillRect(rect));
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self.mark_as_dirty();
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}
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}
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@ -731,9 +743,7 @@ impl CanvasRenderingContext2DMethods for CanvasRenderingContext2D {
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// https://html.spec.whatwg.org/multipage/#dom-context-2d-clearrect
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fn ClearRect(&self, x: f64, y: f64, width: f64, height: f64) {
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if let Some(rect) = self.create_drawable_rect(x, y, width, height) {
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self.ipc_renderer
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.send(CanvasMsg::Canvas2d(Canvas2dMsg::ClearRect(rect)))
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.unwrap();
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self.send_canvas_2d_msg(Canvas2dMsg::ClearRect(rect));
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self.mark_as_dirty();
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}
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}
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@ -741,40 +751,38 @@ impl CanvasRenderingContext2DMethods for CanvasRenderingContext2D {
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// https://html.spec.whatwg.org/multipage/#dom-context-2d-strokerect
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fn StrokeRect(&self, x: f64, y: f64, width: f64, height: f64) {
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if let Some(rect) = self.create_drawable_rect(x, y, width, height) {
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self.ipc_renderer
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.send(CanvasMsg::Canvas2d(Canvas2dMsg::StrokeRect(rect)))
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.unwrap();
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self.send_canvas_2d_msg(Canvas2dMsg::StrokeRect(rect));
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self.mark_as_dirty();
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}
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}
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// https://html.spec.whatwg.org/multipage/#dom-context-2d-beginpath
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fn BeginPath(&self) {
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self.ipc_renderer.send(CanvasMsg::Canvas2d(Canvas2dMsg::BeginPath)).unwrap();
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self.send_canvas_2d_msg(Canvas2dMsg::BeginPath);
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}
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// https://html.spec.whatwg.org/multipage/#dom-context-2d-closepath
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fn ClosePath(&self) {
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self.ipc_renderer.send(CanvasMsg::Canvas2d(Canvas2dMsg::ClosePath)).unwrap();
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self.send_canvas_2d_msg(Canvas2dMsg::ClosePath);
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}
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// https://html.spec.whatwg.org/multipage/#dom-context-2d-fill
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fn Fill(&self, _: CanvasFillRule) {
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// TODO: Process fill rule
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self.ipc_renderer.send(CanvasMsg::Canvas2d(Canvas2dMsg::Fill)).unwrap();
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self.send_canvas_2d_msg(Canvas2dMsg::Fill);
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self.mark_as_dirty();
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}
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// https://html.spec.whatwg.org/multipage/#dom-context-2d-stroke
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fn Stroke(&self) {
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self.ipc_renderer.send(CanvasMsg::Canvas2d(Canvas2dMsg::Stroke)).unwrap();
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self.send_canvas_2d_msg(Canvas2dMsg::Stroke);
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self.mark_as_dirty();
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}
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// https://html.spec.whatwg.org/multipage/#dom-context-2d-clip
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fn Clip(&self, _: CanvasFillRule) {
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// TODO: Process fill rule
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self.ipc_renderer.send(CanvasMsg::Canvas2d(Canvas2dMsg::Clip)).unwrap();
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self.send_canvas_2d_msg(Canvas2dMsg::Clip);
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}
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// https://html.spec.whatwg.org/multipage/#dom-context-2d-ispointinpath
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@ -784,16 +792,14 @@ impl CanvasRenderingContext2DMethods for CanvasRenderingContext2D {
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CanvasFillRule::Evenodd => FillRule::Evenodd,
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};
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let (sender, receiver) = ipc::channel::<bool>(self.global().time_profiler_chan().clone()).unwrap();
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self.ipc_renderer
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.send(CanvasMsg::Canvas2d(Canvas2dMsg::IsPointInPath(x, y, fill_rule, sender)))
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.unwrap();
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self.send_canvas_2d_msg(Canvas2dMsg::IsPointInPath(x, y, fill_rule, sender));
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receiver.recv().unwrap()
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}
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// https://html.spec.whatwg.org/multipage/#dom-context-2d-filltext
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fn FillText(&self, text: DOMString, x: f64, y: f64, max_width: Option<f64>) {
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let parsed_text: String = text.into();
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self.ipc_renderer.send(CanvasMsg::Canvas2d(Canvas2dMsg::FillText(parsed_text, x, y, max_width))).unwrap();
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self.send_canvas_2d_msg(Canvas2dMsg::FillText(parsed_text, x, y, max_width));
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self.mark_as_dirty();
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}
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|
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@ -858,9 +864,7 @@ impl CanvasRenderingContext2DMethods for CanvasRenderingContext2D {
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if !(x.is_finite() && y.is_finite()) {
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return;
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}
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let msg = CanvasMsg::Canvas2d(Canvas2dMsg::MoveTo(Point2D::new(x as f32, y as f32)));
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self.ipc_renderer.send(msg).unwrap();
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self.send_canvas_2d_msg(Canvas2dMsg::MoveTo(Point2D::new(x as f32, y as f32)));
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}
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// https://html.spec.whatwg.org/multipage/#dom-context-2d-lineto
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@ -868,9 +872,7 @@ impl CanvasRenderingContext2DMethods for CanvasRenderingContext2D {
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if !(x.is_finite() && y.is_finite()) {
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return;
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}
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let msg = CanvasMsg::Canvas2d(Canvas2dMsg::LineTo(Point2D::new(x as f32, y as f32)));
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self.ipc_renderer.send(msg).unwrap();
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self.send_canvas_2d_msg(Canvas2dMsg::LineTo(Point2D::new(x as f32, y as f32)));
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}
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// https://html.spec.whatwg.org/multipage/#dom-context-2d-rect
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|
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@ -878,8 +880,7 @@ impl CanvasRenderingContext2DMethods for CanvasRenderingContext2D {
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if [x, y, width, height].iter().all(|val| val.is_finite()) {
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let rect = Rect::new(Point2D::new(x as f32, y as f32),
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Size2D::new(width as f32, height as f32));
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let msg = CanvasMsg::Canvas2d(Canvas2dMsg::Rect(rect));
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self.ipc_renderer.send(msg).unwrap();
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self.send_canvas_2d_msg(Canvas2dMsg::Rect(rect));
|
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}
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}
|
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|
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|
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@ -888,12 +889,10 @@ impl CanvasRenderingContext2DMethods for CanvasRenderingContext2D {
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if !(cpx.is_finite() && cpy.is_finite() && x.is_finite() && y.is_finite()) {
|
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return;
|
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}
|
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|
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let msg = CanvasMsg::Canvas2d(Canvas2dMsg::QuadraticCurveTo(Point2D::new(cpx as f32,
|
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cpy as f32),
|
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Point2D::new(x as f32,
|
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y as f32)));
|
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self.ipc_renderer.send(msg).unwrap();
|
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self.send_canvas_2d_msg(Canvas2dMsg::QuadraticCurveTo(Point2D::new(cpx as f32,
|
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cpy as f32),
|
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Point2D::new(x as f32,
|
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y as f32)));
|
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}
|
||||
|
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// https://html.spec.whatwg.org/multipage/#dom-context-2d-beziercurveto
|
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|
|
@ -902,13 +901,11 @@ impl CanvasRenderingContext2DMethods for CanvasRenderingContext2D {
|
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x.is_finite() && y.is_finite()) {
|
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return;
|
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}
|
||||
|
||||
let msg = CanvasMsg::Canvas2d(Canvas2dMsg::BezierCurveTo(Point2D::new(cp1x as f32,
|
||||
cp1y as f32),
|
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Point2D::new(cp2x as f32,
|
||||
cp2y as f32),
|
||||
Point2D::new(x as f32, y as f32)));
|
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self.ipc_renderer.send(msg).unwrap();
|
||||
self.send_canvas_2d_msg(Canvas2dMsg::BezierCurveTo(Point2D::new(cp1x as f32,
|
||||
cp1y as f32),
|
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Point2D::new(cp2x as f32,
|
||||
cp2y as f32),
|
||||
Point2D::new(x as f32, y as f32)));
|
||||
}
|
||||
|
||||
// https://html.spec.whatwg.org/multipage/#dom-context-2d-arc
|
||||
|
|
@ -921,13 +918,11 @@ impl CanvasRenderingContext2DMethods for CanvasRenderingContext2D {
|
|||
return Err(Error::IndexSize);
|
||||
}
|
||||
|
||||
let msg = CanvasMsg::Canvas2d(Canvas2dMsg::Arc(Point2D::new(x as f32, y as f32),
|
||||
r as f32,
|
||||
start as f32,
|
||||
end as f32,
|
||||
ccw));
|
||||
|
||||
self.ipc_renderer.send(msg).unwrap();
|
||||
self.send_canvas_2d_msg(Canvas2dMsg::Arc(Point2D::new(x as f32, y as f32),
|
||||
r as f32,
|
||||
start as f32,
|
||||
end as f32,
|
||||
ccw));
|
||||
Ok(())
|
||||
}
|
||||
|
||||
|
|
@ -940,10 +935,9 @@ impl CanvasRenderingContext2DMethods for CanvasRenderingContext2D {
|
|||
return Err(Error::IndexSize);
|
||||
}
|
||||
|
||||
let msg = CanvasMsg::Canvas2d(Canvas2dMsg::ArcTo(Point2D::new(cp1x as f32, cp1y as f32),
|
||||
Point2D::new(cp2x as f32, cp2y as f32),
|
||||
r as f32));
|
||||
self.ipc_renderer.send(msg).unwrap();
|
||||
self.send_canvas_2d_msg(Canvas2dMsg::ArcTo(Point2D::new(cp1x as f32, cp1y as f32),
|
||||
Point2D::new(cp2x as f32, cp2y as f32),
|
||||
r as f32));
|
||||
Ok(())
|
||||
}
|
||||
|
||||
|
|
@ -956,14 +950,13 @@ impl CanvasRenderingContext2DMethods for CanvasRenderingContext2D {
|
|||
return Err(Error::IndexSize);
|
||||
}
|
||||
|
||||
let msg = CanvasMsg::Canvas2d(Canvas2dMsg::Ellipse(Point2D::new(x as f32, y as f32),
|
||||
rx as f32,
|
||||
ry as f32,
|
||||
rotation as f32,
|
||||
start as f32,
|
||||
end as f32,
|
||||
ccw));
|
||||
self.ipc_renderer.send(msg).unwrap();
|
||||
self.send_canvas_2d_msg(Canvas2dMsg::Ellipse(Point2D::new(x as f32, y as f32),
|
||||
rx as f32,
|
||||
ry as f32,
|
||||
rotation as f32,
|
||||
start as f32,
|
||||
end as f32,
|
||||
ccw));
|
||||
Ok(())
|
||||
}
|
||||
|
||||
|
|
@ -1001,25 +994,19 @@ impl CanvasRenderingContext2DMethods for CanvasRenderingContext2D {
|
|||
StringOrCanvasGradientOrCanvasPattern::String(string) => {
|
||||
if let Ok(rgba) = self.parse_color(&string) {
|
||||
self.state.borrow_mut().stroke_style = CanvasFillOrStrokeStyle::Color(rgba);
|
||||
self.ipc_renderer
|
||||
.send(CanvasMsg::Canvas2d(Canvas2dMsg::SetStrokeStyle(
|
||||
FillOrStrokeStyle::Color(rgba))))
|
||||
.unwrap();
|
||||
self.send_canvas_2d_msg(Canvas2dMsg::SetStrokeStyle(
|
||||
FillOrStrokeStyle::Color(rgba)));
|
||||
}
|
||||
},
|
||||
StringOrCanvasGradientOrCanvasPattern::CanvasGradient(gradient) => {
|
||||
self.state.borrow_mut().stroke_style =
|
||||
CanvasFillOrStrokeStyle::Gradient(Dom::from_ref(&*gradient));
|
||||
let msg = CanvasMsg::Canvas2d(
|
||||
Canvas2dMsg::SetStrokeStyle(gradient.to_fill_or_stroke_style()));
|
||||
self.ipc_renderer.send(msg).unwrap();
|
||||
self.send_canvas_2d_msg(Canvas2dMsg::SetStrokeStyle(gradient.to_fill_or_stroke_style()));
|
||||
},
|
||||
StringOrCanvasGradientOrCanvasPattern::CanvasPattern(pattern) => {
|
||||
self.state.borrow_mut().stroke_style =
|
||||
CanvasFillOrStrokeStyle::Pattern(Dom::from_ref(&*pattern));
|
||||
let msg = CanvasMsg::Canvas2d(
|
||||
Canvas2dMsg::SetStrokeStyle(pattern.to_fill_or_stroke_style()));
|
||||
self.ipc_renderer.send(msg).unwrap();
|
||||
self.send_canvas_2d_msg(Canvas2dMsg::SetStrokeStyle(pattern.to_fill_or_stroke_style()));
|
||||
if !pattern.origin_is_clean() {
|
||||
self.set_origin_unclean();
|
||||
}
|
||||
|
|
@ -1050,25 +1037,19 @@ impl CanvasRenderingContext2DMethods for CanvasRenderingContext2D {
|
|||
StringOrCanvasGradientOrCanvasPattern::String(string) => {
|
||||
if let Ok(rgba) = self.parse_color(&string) {
|
||||
self.state.borrow_mut().fill_style = CanvasFillOrStrokeStyle::Color(rgba);
|
||||
self.ipc_renderer
|
||||
.send(CanvasMsg::Canvas2d(Canvas2dMsg::SetFillStyle(
|
||||
FillOrStrokeStyle::Color(rgba))))
|
||||
.unwrap()
|
||||
self.send_canvas_2d_msg(Canvas2dMsg::SetFillStyle(
|
||||
FillOrStrokeStyle::Color(rgba)))
|
||||
}
|
||||
}
|
||||
StringOrCanvasGradientOrCanvasPattern::CanvasGradient(gradient) => {
|
||||
self.state.borrow_mut().fill_style =
|
||||
CanvasFillOrStrokeStyle::Gradient(Dom::from_ref(&*gradient));
|
||||
let msg = CanvasMsg::Canvas2d(
|
||||
Canvas2dMsg::SetFillStyle(gradient.to_fill_or_stroke_style()));
|
||||
self.ipc_renderer.send(msg).unwrap();
|
||||
self.send_canvas_2d_msg(Canvas2dMsg::SetFillStyle(gradient.to_fill_or_stroke_style()));
|
||||
}
|
||||
StringOrCanvasGradientOrCanvasPattern::CanvasPattern(pattern) => {
|
||||
self.state.borrow_mut().fill_style =
|
||||
CanvasFillOrStrokeStyle::Pattern(Dom::from_ref(&*pattern));
|
||||
let msg = CanvasMsg::Canvas2d(
|
||||
Canvas2dMsg::SetFillStyle(pattern.to_fill_or_stroke_style()));
|
||||
self.ipc_renderer.send(msg).unwrap();
|
||||
self.send_canvas_2d_msg(Canvas2dMsg::SetFillStyle(pattern.to_fill_or_stroke_style()));
|
||||
if !pattern.origin_is_clean() {
|
||||
self.set_origin_unclean();
|
||||
}
|
||||
|
|
@ -1132,10 +1113,8 @@ impl CanvasRenderingContext2DMethods for CanvasRenderingContext2D {
|
|||
Size2D::new(sw as i32, sh as i32));
|
||||
let canvas_size = self.canvas.as_ref().map(|c| c.get_size()).unwrap_or(Size2D::zero());
|
||||
let canvas_size = Size2D::new(canvas_size.width as f64, canvas_size.height as f64);
|
||||
self.ipc_renderer
|
||||
.send(CanvasMsg::Canvas2d(Canvas2dMsg::GetImageData(dest_rect, canvas_size, sender)))
|
||||
.unwrap();
|
||||
let mut data = Vec::from(receiver.recv().unwrap());
|
||||
self.send_canvas_2d_msg(Canvas2dMsg::GetImageData(dest_rect, canvas_size, sender));
|
||||
let mut data = receiver.recv().unwrap();
|
||||
|
||||
// Un-premultiply alpha
|
||||
for chunk in data.chunks_mut(4) {
|
||||
|
|
@ -1145,7 +1124,7 @@ impl CanvasRenderingContext2DMethods for CanvasRenderingContext2D {
|
|||
chunk[2] = UNPREMULTIPLY_TABLE[256 * alpha + chunk[2] as usize];
|
||||
}
|
||||
|
||||
ImageData::new(&self.global(), sw, sh, Some(data))
|
||||
ImageData::new(&self.global(), sw, sh, Some(data.to_vec()))
|
||||
}
|
||||
|
||||
// https://html.spec.whatwg.org/multipage/#dom-context-2d-putimagedata
|
||||
|
|
@ -1174,13 +1153,10 @@ impl CanvasRenderingContext2DMethods for CanvasRenderingContext2D {
|
|||
|
||||
let dirty_rect = Rect::new(Point2D::new(*dirty_x, *dirty_y),
|
||||
Size2D::new(*dirty_width, *dirty_height));
|
||||
let msg = CanvasMsg::Canvas2d(Canvas2dMsg::PutImageData(
|
||||
data.into(),
|
||||
offset,
|
||||
image_data_size,
|
||||
dirty_rect,
|
||||
));
|
||||
self.ipc_renderer.send(msg).unwrap();
|
||||
self.send_canvas_2d_msg(Canvas2dMsg::PutImageData(data.into(),
|
||||
offset,
|
||||
image_data_size,
|
||||
dirty_rect));
|
||||
self.mark_as_dirty();
|
||||
}
|
||||
|
||||
|
|
@ -1282,9 +1258,7 @@ impl CanvasRenderingContext2DMethods for CanvasRenderingContext2D {
|
|||
}
|
||||
|
||||
self.state.borrow_mut().line_width = width;
|
||||
self.ipc_renderer
|
||||
.send(CanvasMsg::Canvas2d(Canvas2dMsg::SetLineWidth(width as f32)))
|
||||
.unwrap()
|
||||
self.send_canvas_2d_msg(Canvas2dMsg::SetLineWidth(width as f32))
|
||||
}
|
||||
|
||||
// https://html.spec.whatwg.org/multipage/#dom-context-2d-linecap
|
||||
|
|
@ -1304,7 +1278,7 @@ impl CanvasRenderingContext2DMethods for CanvasRenderingContext2D {
|
|||
CanvasLineCap::Square => LineCapStyle::Square,
|
||||
};
|
||||
self.state.borrow_mut().line_cap = line_cap;
|
||||
self.ipc_renderer.send(CanvasMsg::Canvas2d(Canvas2dMsg::SetLineCap(line_cap))).unwrap();
|
||||
self.send_canvas_2d_msg(Canvas2dMsg::SetLineCap(line_cap));
|
||||
}
|
||||
|
||||
// https://html.spec.whatwg.org/multipage/#dom-context-2d-linejoin
|
||||
|
|
@ -1324,7 +1298,7 @@ impl CanvasRenderingContext2DMethods for CanvasRenderingContext2D {
|
|||
CanvasLineJoin::Miter => LineJoinStyle::Miter,
|
||||
};
|
||||
self.state.borrow_mut().line_join = line_join;
|
||||
self.ipc_renderer.send(CanvasMsg::Canvas2d(Canvas2dMsg::SetLineJoin(line_join))).unwrap();
|
||||
self.send_canvas_2d_msg(Canvas2dMsg::SetLineJoin(line_join));
|
||||
}
|
||||
|
||||
// https://html.spec.whatwg.org/multipage/#dom-context-2d-miterlimit
|
||||
|
|
@ -1340,9 +1314,7 @@ impl CanvasRenderingContext2DMethods for CanvasRenderingContext2D {
|
|||
}
|
||||
|
||||
self.state.borrow_mut().miter_limit = limit;
|
||||
self.ipc_renderer
|
||||
.send(CanvasMsg::Canvas2d(Canvas2dMsg::SetMiterLimit(limit as f32)))
|
||||
.unwrap()
|
||||
self.send_canvas_2d_msg(Canvas2dMsg::SetMiterLimit(limit as f32))
|
||||
}
|
||||
|
||||
// https://html.spec.whatwg.org/multipage/#dom-context-2d-shadowoffsetx
|
||||
|
|
@ -1356,7 +1328,7 @@ impl CanvasRenderingContext2DMethods for CanvasRenderingContext2D {
|
|||
return;
|
||||
}
|
||||
self.state.borrow_mut().shadow_offset_x = value;
|
||||
self.ipc_renderer.send(CanvasMsg::Canvas2d(Canvas2dMsg::SetShadowOffsetX(value))).unwrap()
|
||||
self.send_canvas_2d_msg(Canvas2dMsg::SetShadowOffsetX(value))
|
||||
}
|
||||
|
||||
// https://html.spec.whatwg.org/multipage/#dom-context-2d-shadowoffsety
|
||||
|
|
@ -1370,7 +1342,7 @@ impl CanvasRenderingContext2DMethods for CanvasRenderingContext2D {
|
|||
return;
|
||||
}
|
||||
self.state.borrow_mut().shadow_offset_y = value;
|
||||
self.ipc_renderer.send(CanvasMsg::Canvas2d(Canvas2dMsg::SetShadowOffsetY(value))).unwrap()
|
||||
self.send_canvas_2d_msg(Canvas2dMsg::SetShadowOffsetY(value))
|
||||
}
|
||||
|
||||
// https://html.spec.whatwg.org/multipage/#dom-context-2d-shadowblur
|
||||
|
|
@ -1384,7 +1356,7 @@ impl CanvasRenderingContext2DMethods for CanvasRenderingContext2D {
|
|||
return;
|
||||
}
|
||||
self.state.borrow_mut().shadow_blur = value;
|
||||
self.ipc_renderer.send(CanvasMsg::Canvas2d(Canvas2dMsg::SetShadowBlur(value))).unwrap()
|
||||
self.send_canvas_2d_msg(Canvas2dMsg::SetShadowBlur(value))
|
||||
}
|
||||
|
||||
// https://html.spec.whatwg.org/multipage/#dom-context-2d-shadowcolor
|
||||
|
|
@ -1398,16 +1370,14 @@ impl CanvasRenderingContext2DMethods for CanvasRenderingContext2D {
|
|||
fn SetShadowColor(&self, value: DOMString) {
|
||||
if let Ok(color) = parse_color(&value) {
|
||||
self.state.borrow_mut().shadow_color = color;
|
||||
self.ipc_renderer
|
||||
.send(CanvasMsg::Canvas2d(Canvas2dMsg::SetShadowColor(color)))
|
||||
.unwrap()
|
||||
self.send_canvas_2d_msg(Canvas2dMsg::SetShadowColor(color))
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl Drop for CanvasRenderingContext2D {
|
||||
fn drop(&mut self) {
|
||||
if let Err(err) = self.ipc_renderer.send(CanvasMsg::Close) {
|
||||
if let Err(err) = self.ipc_renderer.send(CanvasMsg::Close(self.get_canvas_id())) {
|
||||
warn!("Could not close canvas: {}", err)
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -3,7 +3,7 @@
|
|||
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
||||
|
||||
use base64;
|
||||
use canvas_traits::canvas::{CanvasMsg, FromScriptMsg};
|
||||
use canvas_traits::canvas::{CanvasMsg, CanvasId, FromScriptMsg};
|
||||
use canvas_traits::webgl::WebGLVersion;
|
||||
use dom::attr::Attr;
|
||||
use dom::bindings::cell::DomRefCell;
|
||||
|
|
@ -105,6 +105,7 @@ pub trait LayoutHTMLCanvasElementHelpers {
|
|||
fn data(&self) -> HTMLCanvasData;
|
||||
fn get_width(&self) -> LengthOrPercentageOrAuto;
|
||||
fn get_height(&self) -> LengthOrPercentageOrAuto;
|
||||
fn get_canvas_id_for_layout(&self) -> CanvasId;
|
||||
}
|
||||
|
||||
impl LayoutHTMLCanvasElementHelpers for LayoutDom<HTMLCanvasElement> {
|
||||
|
|
@ -133,6 +134,7 @@ impl LayoutHTMLCanvasElementHelpers for LayoutDom<HTMLCanvasElement> {
|
|||
source: source,
|
||||
width: width_attr.map_or(DEFAULT_WIDTH, |val| val.as_uint()),
|
||||
height: height_attr.map_or(DEFAULT_HEIGHT, |val| val.as_uint()),
|
||||
canvas_id: self.get_canvas_id_for_layout(),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -156,6 +158,18 @@ impl LayoutHTMLCanvasElementHelpers for LayoutDom<HTMLCanvasElement> {
|
|||
.unwrap_or(LengthOrPercentageOrAuto::Auto)
|
||||
}
|
||||
}
|
||||
|
||||
#[allow(unsafe_code)]
|
||||
fn get_canvas_id_for_layout(&self) -> CanvasId {
|
||||
unsafe {
|
||||
let canvas = &*self.unsafe_get();
|
||||
if let &Some(CanvasContext::Context2d(ref context)) = canvas.context.borrow_for_layout() {
|
||||
context.to_layout().get_canvas_id()
|
||||
} else {
|
||||
CanvasId(0)
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
|
@ -261,7 +275,7 @@ impl HTMLCanvasElement {
|
|||
let data = match self.context.borrow().as_ref() {
|
||||
Some(&CanvasContext::Context2d(ref context)) => {
|
||||
let (sender, receiver) = ipc::channel(self.global().time_profiler_chan().clone()).unwrap();
|
||||
let msg = CanvasMsg::FromScript(FromScriptMsg::SendPixels(sender));
|
||||
let msg = CanvasMsg::FromScript(FromScriptMsg::SendPixels(sender), context.get_canvas_id());
|
||||
context.get_ipc_renderer().send(msg).unwrap();
|
||||
|
||||
receiver.recv().unwrap()?.into()
|
||||
|
|
|
|||
|
|
@ -59,7 +59,7 @@ impl PaintRenderingContext2D {
|
|||
}
|
||||
|
||||
pub fn send_data(&self, sender: IpcSender<CanvasImageData>) {
|
||||
let msg = CanvasMsg::FromLayout(FromLayoutMsg::SendData(sender));
|
||||
let msg = CanvasMsg::FromLayout(FromLayoutMsg::SendData(sender), self.context.get_canvas_id());
|
||||
let _ = self.context.get_ipc_renderer().send(msg);
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue