35 lines
1.4 KiB
JavaScript
35 lines
1.4 KiB
JavaScript
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import { Box } from '../classes';
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import { getContext2dOrThrow } from '../dom/getContext2dOrThrow';
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import { AnchorPosition, DrawTextField, DrawTextFieldOptions } from './DrawTextField';
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export class DrawBoxOptions {
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constructor(options = {}) {
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const { boxColor, lineWidth, label, drawLabelOptions } = options;
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this.boxColor = boxColor || 'rgba(0, 0, 255, 1)';
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this.lineWidth = lineWidth || 2;
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this.label = label;
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const defaultDrawLabelOptions = {
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anchorPosition: AnchorPosition.BOTTOM_LEFT,
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backgroundColor: this.boxColor
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};
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this.drawLabelOptions = new DrawTextFieldOptions(Object.assign({}, defaultDrawLabelOptions, drawLabelOptions));
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}
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}
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export class DrawBox {
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constructor(box, options = {}) {
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this.box = new Box(box);
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this.options = new DrawBoxOptions(options);
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}
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draw(canvasArg) {
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const ctx = getContext2dOrThrow(canvasArg);
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const { boxColor, lineWidth } = this.options;
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const { x, y, width, height } = this.box;
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ctx.strokeStyle = boxColor;
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ctx.lineWidth = lineWidth;
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ctx.strokeRect(x, y, width, height);
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const { label } = this.options;
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if (label) {
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new DrawTextField([label], { x: x - (lineWidth / 2), y }, this.options.drawLabelOptions).draw(canvasArg);
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}
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}
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}
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//# sourceMappingURL=DrawBox.js.map
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