未验证 提交 71fef51b 编写于 作者: O openharmony_ci 提交者: Gitee

!13159 canvas 文档整改,修改颜色表示方法-monthly20221018

Merge pull request !13159 from lanyi/cherry-pick-1672738935
...@@ -35,9 +35,9 @@ export default { ...@@ -35,9 +35,9 @@ export default {
const el =this.$refs.canvas; const el =this.$refs.canvas;
const ctx = el.getContext('2d'); const ctx = el.getContext('2d');
const gradient = ctx.createLinearGradient(50,0,300,100); const gradient = ctx.createLinearGradient(50,0,300,100);
gradient.addColorStop(0.0, 'red') gradient.addColorStop(0.0, '#ff0000')
gradient.addColorStop(0.5, 'white') gradient.addColorStop(0.5, '#ffffff')
gradient.addColorStop(1.0, 'green') gradient.addColorStop(1.0, '#00ff00')
ctx.fillStyle = gradient ctx.fillStyle = gradient
ctx.fillRect(0, 0, 300, 300) ctx.fillRect(0, 0, 300, 300)
} }
......
...@@ -1681,9 +1681,9 @@ createLinearGradient(x0: number, y0: number, x1: number, y1: number): Object ...@@ -1681,9 +1681,9 @@ createLinearGradient(x0: number, y0: number, x1: number, y1: number): Object
// Linear gradient: start(50,0) end(300,100) // Linear gradient: start(50,0) end(300,100)
var gradient = ctx.createLinearGradient(50,0, 300,100); var gradient = ctx.createLinearGradient(50,0, 300,100);
// Add three color stops // Add three color stops
gradient.addColorStop(0.0, 'red'); gradient.addColorStop(0.0, '#ff0000');
gradient.addColorStop(0.5, 'white'); gradient.addColorStop(0.5, '#ffffff');
gradient.addColorStop(1.0, 'green'); gradient.addColorStop(1.0, '#00ff00');
// Set the fill style and draw a rectangle // Set the fill style and draw a rectangle
ctx.fillStyle = gradient; ctx.fillStyle = gradient;
ctx.fillRect(0, 0, 500, 500); ctx.fillRect(0, 0, 500, 500);
...@@ -1734,9 +1734,9 @@ createRadialGradient(x0: number, y0: number, r0: number, x1: number, y1: number, ...@@ -1734,9 +1734,9 @@ createRadialGradient(x0: number, y0: number, r0: number, x1: number, y1: number,
// Radial gradient: inner circle(200,200,r:50) outer circle(200,200,r:200) // Radial gradient: inner circle(200,200,r:50) outer circle(200,200,r:200)
var gradient = ctx.createRadialGradient(200,200,50, 200,200,200); var gradient = ctx.createRadialGradient(200,200,50, 200,200,200);
// Add three color stops // Add three color stops
gradient.addColorStop(0.0, 'red'); gradient.addColorStop(0.0, '#ff0000');
gradient.addColorStop(0.5, 'white'); gradient.addColorStop(0.5, '#ffffff');
gradient.addColorStop(1.0, 'green'); gradient.addColorStop(1.0, '#00ff00');
// Set the fill style and draw a rectangle // Set the fill style and draw a rectangle
ctx.fillStyle = gradient; ctx.fillStyle = gradient;
ctx.fillRect(0, 0, 500, 500); ctx.fillRect(0, 0, 500, 500);
......
...@@ -198,13 +198,13 @@ export default { ...@@ -198,13 +198,13 @@ export default {
var offscreenCanvasCtx = offscreen.getContext("2d"); var offscreenCanvasCtx = offscreen.getContext("2d");
offscreenCanvasCtx.transform(1, 0, 1.7, 1, 0, 0); offscreenCanvasCtx.transform(1, 0, 1.7, 1, 0, 0);
offscreenCanvasCtx.fillStyle = 'gray'; offscreenCanvasCtx.fillStyle = '#a9a9a9';
offscreenCanvasCtx.fillRect(40, 40, 50, 20); offscreenCanvasCtx.fillRect(40, 40, 50, 20);
offscreenCanvasCtx.fillRect(40, 90, 50, 20); offscreenCanvasCtx.fillRect(40, 90, 50, 20);
// Non-skewed rectangles // Non-skewed rectangles
offscreenCanvasCtx.resetTransform(); offscreenCanvasCtx.resetTransform();
offscreenCanvasCtx.fillStyle = 'red'; offscreenCanvasCtx.fillStyle = '#ff0000';
offscreenCanvasCtx.fillRect(40, 40, 50, 20); offscreenCanvasCtx.fillRect(40, 40, 50, 20);
offscreenCanvasCtx.fillRect(40, 90, 50, 20); offscreenCanvasCtx.fillRect(40, 90, 50, 20);
......
...@@ -1579,7 +1579,7 @@ struct Fill { ...@@ -1579,7 +1579,7 @@ struct Fill {
region.lineTo(270, 90) region.lineTo(270, 90)
region.closePath() region.closePath()
// Fill path // Fill path
this.context.fillStyle = 'green' this.context.fillStyle = '#00ff00'
this.context.fill(region, "evenodd") this.context.fill(region, "evenodd")
}) })
} }
...@@ -2412,7 +2412,7 @@ restore(): void ...@@ -2412,7 +2412,7 @@ restore(): void
.backgroundColor('#ffff00') .backgroundColor('#ffff00')
.onReady(() =>{ .onReady(() =>{
this.context.save() // save the default state this.context.save() // save the default state
this.context.fillStyle = "green" this.context.fillStyle = "#00ff00"
this.context.fillRect(20, 20, 100, 100) this.context.fillRect(20, 20, 100, 100)
this.context.restore() // restore to the default state this.context.restore() // restore to the default state
this.context.fillRect(150, 75, 100, 100) this.context.fillRect(150, 75, 100, 100)
...@@ -2450,7 +2450,7 @@ save(): void ...@@ -2450,7 +2450,7 @@ save(): void
.backgroundColor('#ffff00') .backgroundColor('#ffff00')
.onReady(() =>{ .onReady(() =>{
this.context.save() // save the default state this.context.save() // save the default state
this.context.fillStyle = "green" this.context.fillStyle = "#00ff00"
this.context.fillRect(20, 20, 100, 100) this.context.fillRect(20, 20, 100, 100)
this.context.restore() // restore to the default state this.context.restore() // restore to the default state
this.context.fillRect(150, 75, 100, 100) this.context.fillRect(150, 75, 100, 100)
...@@ -2497,9 +2497,9 @@ createLinearGradient(x0: number, y0: number, x1: number, y1: number): void ...@@ -2497,9 +2497,9 @@ createLinearGradient(x0: number, y0: number, x1: number, y1: number): void
.backgroundColor('#ffff00') .backgroundColor('#ffff00')
.onReady(() =>{ .onReady(() =>{
var grad = this.context.createLinearGradient(50,0, 300,100) var grad = this.context.createLinearGradient(50,0, 300,100)
grad.addColorStop(0.0, 'red') grad.addColorStop(0.0, '#ff0000')
grad.addColorStop(0.5, 'white') grad.addColorStop(0.5, '#ffffff')
grad.addColorStop(1.0, 'green') grad.addColorStop(1.0, '#00ff00')
this.context.fillStyle = grad this.context.fillStyle = grad
this.context.fillRect(0, 0, 500, 500) this.context.fillRect(0, 0, 500, 500)
}) })
...@@ -2548,9 +2548,9 @@ createRadialGradient(x0: number, y0: number, r0: number, x1: number, y1: number, ...@@ -2548,9 +2548,9 @@ createRadialGradient(x0: number, y0: number, r0: number, x1: number, y1: number,
.backgroundColor('#ffff00') .backgroundColor('#ffff00')
.onReady(() =>{ .onReady(() =>{
var grad = this.context.createRadialGradient(200,200,50, 200,200,200) var grad = this.context.createRadialGradient(200,200,50, 200,200,200)
grad.addColorStop(0.0, 'red') grad.addColorStop(0.0, '#ff0000')
grad.addColorStop(0.5, 'white') grad.addColorStop(0.5, '#ffffff')
grad.addColorStop(1.0, 'green') grad.addColorStop(1.0, '#00ff00')
this.context.fillStyle = grad this.context.fillStyle = grad
this.context.fillRect(0, 0, 500, 500) this.context.fillRect(0, 0, 500, 500)
}) })
......
...@@ -41,9 +41,9 @@ struct Page45 { ...@@ -41,9 +41,9 @@ struct Page45 {
.backgroundColor('#ffff00') .backgroundColor('#ffff00')
.onReady(() => { .onReady(() => {
var grad = this.context.createLinearGradient(50, 0, 300, 100) var grad = this.context.createLinearGradient(50, 0, 300, 100)
grad.addColorStop(0.0, 'red') grad.addColorStop(0.0, '#ff0000')
grad.addColorStop(0.5, 'white') grad.addColorStop(0.5, '#ffffff')
grad.addColorStop(1.0, 'green') grad.addColorStop(1.0, '#00ff00')
this.context.fillStyle = grad this.context.fillStyle = grad
this.context.fillRect(0, 0, 500, 500) this.context.fillRect(0, 0, 500, 500)
}) })
......
...@@ -1673,7 +1673,7 @@ struct Fill { ...@@ -1673,7 +1673,7 @@ struct Fill {
region.lineTo(270, 90) region.lineTo(270, 90)
region.closePath() region.closePath()
// Fill path // Fill path
this.offContext.fillStyle = 'green' this.offContext.fillStyle = '#00ff00'
this.offContext.fill(region, "evenodd") this.offContext.fill(region, "evenodd")
var image = this.offContext.transferToImageBitmap() var image = this.offContext.transferToImageBitmap()
this.context.transferFromImageBitmap(image) this.context.transferFromImageBitmap(image)
...@@ -2535,7 +2535,7 @@ struct CanvasExample { ...@@ -2535,7 +2535,7 @@ struct CanvasExample {
.backgroundColor('#ffff00') .backgroundColor('#ffff00')
.onReady(() =>{ .onReady(() =>{
this.offContext.save() // save the default state this.offContext.save() // save the default state
this.offContext.fillStyle = "green" this.offContext.fillStyle = "#00ff00"
this.offContext.fillRect(20, 20, 100, 100) this.offContext.fillRect(20, 20, 100, 100)
this.offContext.restore() // restore to the default state this.offContext.restore() // restore to the default state
this.offContext.fillRect(150, 75, 100, 100) this.offContext.fillRect(150, 75, 100, 100)
...@@ -2576,7 +2576,7 @@ struct CanvasExample { ...@@ -2576,7 +2576,7 @@ struct CanvasExample {
.backgroundColor('#ffff00') .backgroundColor('#ffff00')
.onReady(() =>{ .onReady(() =>{
this.offContext.save() // save the default state this.offContext.save() // save the default state
this.offContext.fillStyle = "green" this.offContext.fillStyle = "#00ff00"
this.offContext.fillRect(20, 20, 100, 100) this.offContext.fillRect(20, 20, 100, 100)
this.offContext.restore() // restore to the default state this.offContext.restore() // restore to the default state
this.offContext.fillRect(150, 75, 100, 100) this.offContext.fillRect(150, 75, 100, 100)
...@@ -2626,9 +2626,9 @@ createLinearGradient(x0: number, y0: number, x1: number, y1: number): void ...@@ -2626,9 +2626,9 @@ createLinearGradient(x0: number, y0: number, x1: number, y1: number): void
.backgroundColor('#ffff00') .backgroundColor('#ffff00')
.onReady(() =>{ .onReady(() =>{
var grad = this.offContext.createLinearGradient(50,0, 300,100) var grad = this.offContext.createLinearGradient(50,0, 300,100)
grad.addColorStop(0.0, 'red') grad.addColorStop(0.0, '#ff0000')
grad.addColorStop(0.5, 'white') grad.addColorStop(0.5, '#ffffff')
grad.addColorStop(1.0, 'green') grad.addColorStop(1.0, '#00ff00')
this.offContext.fillStyle = grad this.offContext.fillStyle = grad
this.offContext.fillRect(0, 0, 500, 500) this.offContext.fillRect(0, 0, 500, 500)
var image = this.offContext.transferToImageBitmap() var image = this.offContext.transferToImageBitmap()
...@@ -2680,9 +2680,9 @@ createRadialGradient(x0: number, y0: number, r0: number, x1: number, y1: number, ...@@ -2680,9 +2680,9 @@ createRadialGradient(x0: number, y0: number, r0: number, x1: number, y1: number,
.backgroundColor('#ffff00') .backgroundColor('#ffff00')
.onReady(() =>{ .onReady(() =>{
var grad = this.offContext.createRadialGradient(200,200,50, 200,200,200) var grad = this.offContext.createRadialGradient(200,200,50, 200,200,200)
grad.addColorStop(0.0, 'red') grad.addColorStop(0.0, '#ff0000')
grad.addColorStop(0.5, 'white') grad.addColorStop(0.5, '#ffffff')
grad.addColorStop(1.0, 'green') grad.addColorStop(1.0, '#00ff00')
this.offContext.fillStyle = grad this.offContext.fillStyle = grad
this.offContext.fillRect(0, 0, 500, 500) this.offContext.fillRect(0, 0, 500, 500)
var image = this.offContext.transferToImageBitmap() var image = this.offContext.transferToImageBitmap()
......
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