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55 lines
1.7 KiB
55 lines
1.7 KiB
'use strict';
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import CircleImageBase from '../util/CircleImageBase'
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class Circle extends CircleImageBase {
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constructor(options, body, labelModule) {
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super(options, body, labelModule)
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this._setMargins(labelModule);
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}
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resize(ctx, selected = this.selected, hover = this.hover) {
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if (this.needsRefresh(selected, hover)) {
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this.textSize = this.labelModule.getTextSize(ctx, selected, hover);
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var diameter = Math.max(this.textSize.width + this.margin.right + this.margin.left,
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this.textSize.height + this.margin.top + this.margin.bottom);
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this.options.size = diameter / 2;
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this.width = diameter;
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this.height = diameter;
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this.radius = this.width / 2;
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}
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}
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draw(ctx, x, y, selected, hover, values) {
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this.resize(ctx, selected, hover);
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this.left = x - this.width / 2;
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this.top = y - this.height / 2;
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this._drawRawCircle(ctx, x, y, values);
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// TODO: values overwritten by updateBoundingBox(); is this bit necessary?
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this.boundingBox.top = y - values.size;
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this.boundingBox.left = x - values.size;
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this.boundingBox.right = x + values.size;
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this.boundingBox.bottom = y + values.size;
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this.updateBoundingBox(x,y);
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this.labelModule.draw(ctx, this.left + this.textSize.width / 2 + this.margin.left,
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y, selected, hover);
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}
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updateBoundingBox(x,y) {
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this.boundingBox.top = y - this.options.size;
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this.boundingBox.left = x - this.options.size;
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this.boundingBox.right = x + this.options.size;
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this.boundingBox.bottom = y + this.options.size;
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}
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distanceToBorder(ctx, angle) {
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this.resize(ctx);
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return this.width * 0.5;
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}
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}
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export default Circle;
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