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Avoid copying pixels in ctx.putImageData sometimes

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This commit is contained in:
Anthony Ramine 2018-10-06 02:58:45 +02:00
parent 19f40cdf0b
commit 75e6f5dfaa
6 changed files with 53 additions and 41 deletions
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8
components/canvas_traits/canvas.rs
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@ -4,7 +4,7 @@
use cssparser::RGBA;
use euclid::{Transform2D, Point2D, Vector2D, Rect, Size2D};
use ipc_channel::ipc::{IpcBytesSender, IpcSender};
use ipc_channel::ipc::{IpcBytesReceiver, IpcBytesSender, IpcSender};
use serde_bytes::ByteBuf;
use std::default::Default;
use std::str::FromStr;
@ -19,7 +19,7 @@ pub enum FillRule {
#[derive(Clone, Copy, Deserialize, Eq, Hash, MallocSizeOf, PartialEq, Serialize)]
pub struct CanvasId(pub u64);
#[derive(Clone, Deserialize, Serialize)]
#[derive(Deserialize, Serialize)]
pub enum CanvasMsg {
Canvas2d(Canvas2dMsg, CanvasId),
Create(IpcSender<CanvasId>, Size2D<u32>, webrender_api::RenderApiSender, bool),
@ -34,7 +34,7 @@ pub struct CanvasImageData {
pub image_key: webrender_api::ImageKey,
}
#[derive(Clone, Deserialize, Serialize)]
#[derive(Deserialize, Serialize)]
pub enum Canvas2dMsg {
Arc(Point2D<f32>, f32, f32, f32, bool),
ArcTo(Point2D<f32>, Point2D<f32>, f32),
@ -54,7 +54,7 @@ pub enum Canvas2dMsg {
IsPointInPath(f64, f64, FillRule, IpcSender<bool>),
LineTo(Point2D<f32>),
MoveTo(Point2D<f32>),
PutImageData(ByteBuf, Vector2D<i32>, Size2D<i32>),
PutImageData(IpcBytesReceiver, Vector2D<i32>, Size2D<i32>),
QuadraticCurveTo(Point2D<f32>, Point2D<f32>),
Rect(Rect<f32>),
RestoreContext,