本文整理汇总了TypeScript中tabris.CanvasContext.beginPath方法的典型用法代码示例。如果您正苦于以下问题：TypeScript CanvasContext.beginPath方法的具体用法？TypeScript CanvasContext.beginPath怎么用？TypeScript CanvasContext.beginPath使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类tabris.CanvasContext的用法示例。
在下文中一共展示了CanvasContext.beginPath方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的TypeScript代码示例。
示例1: drawHermiteInterpolation
private drawHermiteInterpolation(ctx: CanvasContext, points: Point[]) {
ctx.strokeStyle = graphLineColor;
ctx.lineWidth = graphLineWidth;
for (let i = 0; i < points.length - 1; i++) {
ctx.beginPath();
let [b0, b3] = [points[i], points[i + 1]];
let h = (b3.x - b0.x) / 3;
let b1 = { x: b0.x + h, y: b0.y + (h * b0.dydx) };
let b2 = { x: b3.x - h, y: b3.y - (h * b3.dydx) };
ctx.moveTo(this.getX(b0.x), this.getY(b0.y));
ctx.bezierCurveTo(
this.getX(b1.x), this.getY(b1.y),
this.getX(b2.x), this.getY(b2.y),
this.getX(b3.x), this.getY(b3.y)
);
ctx.stroke();
}
}示例2: drawTemperatureScale
private drawTemperatureScale(ctx: CanvasContext) {
let degreeHeight = this.getY(this.scale.minY) - this.getY(this.scale.minY + 1);
let degreeStep = (degreeHeight > minVerticalDistance) ? 1 : (2 * degreeHeight > minVerticalDistance) ? 2 : 5;
let minHeight = Math.ceil(this.scale.minY / degreeStep) * degreeStep;
ctx.strokeStyle = uiLineColor;
ctx.lineWidth = uiLineWidth;
for (let height = minHeight; height < this.scale.maxY; height += degreeStep) {
// horizontal line
ctx.beginPath();
ctx.moveTo(this.getX(this.scale.minX), this.getY(height));
ctx.lineTo(this.getX(this.scale.maxX), this.getY(height));
ctx.stroke();
// text label
ctx.fillStyle = uiTextColor;
ctx.font = uiFont;
ctx.textAlign = "right";
ctx.textBaseline = "middle";
ctx.fillText(height + "°C", this.getX(this.scale.minX) - 2, this.getY(height));
}
}示例3: drawVerticalLine
private drawVerticalLine(ctx: CanvasContext, time: number, extraLength: number) {
ctx.beginPath();
ctx.moveTo(this.getX(time), this.getY(this.scale.minY));
ctx.lineTo(this.getX(time), this.getY(this.scale.maxY) - extraLength);
ctx.stroke();
}示例4:
ctx.lineCap = lineCap;
ctx.lineJoin = lineJoin;
ctx.lineWidth = lineWidth;
ctx.strokeStyle = strokeStyle;
ctx.textAlign = textAlign;
ctx.textBaseline = textBaseline;
// Methods
let num: number = 42;
let bool: boolean = false;
let voidReturnValue: void;
let imageData: ImageData;
let text: string = '';
voidReturnValue = ctx.arc(num, num, num, num, num, bool);
voidReturnValue = ctx.beginPath();
voidReturnValue = ctx.bezierCurveTo(num, num, num, num, num, num);
voidReturnValue = ctx.clearRect(num, num, num, num);
voidReturnValue = ctx.closePath();
imageData = ctx.createImageData(num, num);
imageData = ctx.createImageData(imageData);
voidReturnValue = ctx.fill();
voidReturnValue = ctx.fillRect(num, num, num, num);
voidReturnValue = ctx.fillText(text, num, num);
imageData = ctx.getImageData(num, num, num, num);
voidReturnValue = ctx.lineTo(num, num);
voidReturnValue = ctx.moveTo(num, num);
voidReturnValue = ctx.putImageData(imageData, num, num);
voidReturnValue = ctx.quadraticCurveTo(num, num, num, num);
voidReturnValue = ctx.rect(num, num, num, num);
voidReturnValue = ctx.restore();