declarations support, color support, better inject
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@@ -11,7 +11,7 @@ export class RenderCanvas extends BaseElement {
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height: 400
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}
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public drawCount: number = 0;
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public drawQueue: { x: number, y: number }[][] = [];
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public drawQueue: { points: { x: number, y: number }[], color?: string }[] = [];
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public prefersDarkScheme = window.matchMedia("(prefers-color-scheme: dark)");
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@@ -42,11 +42,11 @@ export class RenderCanvas extends BaseElement {
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}
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}
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drawPoly(points: { x: number, y: number }[]) {
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drawPoly(points: { x: number, y: number }[], color?: string) {
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if (this.ctx && this.canvas) {
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this.canvas.style.display = "block";
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this.ctx.fillStyle = this.getColor(true);
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this.ctx.strokeStyle = this.getColor();
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this.ctx.strokeStyle = this.getColor(false, color);
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this.ctx.beginPath();
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for (var i = 0; i < points.length; i++) {
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@@ -107,30 +107,38 @@ export class RenderCanvas extends BaseElement {
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};
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executeDrawQueue() {
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let prevCenter: { x: number, y: number } | null = null;
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let prevShape: any | null = null;
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for (let i = 0; i < this.drawQueue.length; i++) {
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const points = this.drawQueue[i];
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const shape = this.drawQueue[i];
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if (prevCenter != null) {
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var thisCenter = this.centerOf(points);
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this.drawPoly([prevCenter, thisCenter]);
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if (prevShape != null) {
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var prevCenter = this.centerOf(prevShape.points);
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var thisCenter = this.centerOf(shape.points);
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var middle = {
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x: (prevCenter.x + thisCenter.x) / 2,
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y: (prevCenter.y + thisCenter.y) / 2
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};
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this.drawPoly([prevCenter, middle], prevShape.color);
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this.drawPoly([middle, thisCenter], shape.color);
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}
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prevCenter = this.centerOf(points);
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prevShape = shape;
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}
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for (let i = 0; i < this.drawQueue.length; i++) {
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const points = this.drawQueue[i];
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this.drawPoly(points);
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var thisCenter = this.centerOf(points);
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this.drawText(thisCenter.x, thisCenter.y, (i + 1).toString(), points[1].x - points[0].x);
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const shape = this.drawQueue[i];
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this.drawPoly(shape.points, shape.color);
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var thisCenter = this.centerOf(shape.points);
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this.drawText(thisCenter.x, thisCenter.y, (i + 1).toString(), shape.points[1].x - shape.points[0].x, shape.color);
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}
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}
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drawText(x: number, y: number, text: string, size: number = 20) {
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drawText(x: number, y: number, text: string, size: number = 20, color?: string) {
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if (this.ctx && this.canvas) {
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this.ctx.moveTo(x, y);
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this.ctx.fillStyle = this.getColor();
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this.ctx.fillStyle = this.getColor(false, color);
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this.ctx.textAlign = 'center';
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this.ctx.textBaseline = 'middle';
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this.ctx.font = "200 " + size + "px Segoe UI";
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@@ -138,20 +146,20 @@ export class RenderCanvas extends BaseElement {
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}
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}
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getColor(invert: boolean = false) {
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return (invert ? !this.prefersDarkScheme.matches : this.prefersDarkScheme.matches) ? 'rgba(255,255,255,1)' : 'rgba(44,44,44,1)';
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getColor(invert: boolean = false, color?: string) {
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return color ? color : ((invert ? !this.prefersDarkScheme.matches : this.prefersDarkScheme.matches) ? 'rgba(255,255,255,1)' : 'rgba(44,44,44,1)');
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}
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drawRect(x: number, y: number, width: number, height: number) {
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this.drawPoly([{ x: x, y: y }, { x: x + width, y: y }, { x: x + width, y: y + height }, { x: x, y: y + height }]);
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drawRect(x: number, y: number, width: number, height: number, color?: string) {
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this.drawPoly([{ x: x, y: y }, { x: x + width, y: y }, { x: x + width, y: y + height }, { x: x, y: y + height }], color);
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}
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queuePoly(points: { x: number, y: number }[]) {
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this.drawQueue.push(points);
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queuePoly(points: { x: number, y: number }[], color?: string) {
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this.drawQueue.push({ points: points, color: color });
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}
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queueRect(x: number, y: number, width: number, height: number) {
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this.drawQueue.push([{ x: x, y: y }, { x: x + width, y: y }, { x: x + width, y: y + height }, { x: x, y: y + height }]);
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queueRect(x: number, y: number, width: number, height: number, color?: string) {
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this.drawQueue.push({ points: [{ x: x, y: y }, { x: x + width, y: y }, { x: x + width, y: y + height }, { x: x, y: y + height }], color: color });
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}
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unitsToPx(unitNumber: number) {
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