konva
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<p align="center"> <img src="https://konvajs.org/android-chrome-192x192.png" alt="Konva logo" height="180" /> </p>
60 lines (59 loc) • 2.63 kB
JavaScript
Object.defineProperty(exports, "__esModule", { value: true });
exports.Arc = void 0;
const Factory_1 = require("../Factory");
const Shape_1 = require("../Shape");
const Global_1 = require("../Global");
const Validators_1 = require("../Validators");
const Global_2 = require("../Global");
class Arc extends Shape_1.Shape {
_sceneFunc(context) {
var angle = Global_1.Konva.getAngle(this.angle()), clockwise = this.clockwise();
context.beginPath();
context.arc(0, 0, this.outerRadius(), 0, angle, clockwise);
context.arc(0, 0, this.innerRadius(), angle, 0, !clockwise);
context.closePath();
context.fillStrokeShape(this);
}
getWidth() {
return this.outerRadius() * 2;
}
getHeight() {
return this.outerRadius() * 2;
}
setWidth(width) {
this.outerRadius(width / 2);
}
setHeight(height) {
this.outerRadius(height / 2);
}
getSelfRect() {
const innerRadius = this.innerRadius();
const outerRadius = this.outerRadius();
const clockwise = this.clockwise();
const angle = Global_1.Konva.getAngle(clockwise ? 360 - this.angle() : this.angle());
const boundLeftRatio = Math.cos(Math.min(angle, Math.PI));
const boundRightRatio = 1;
const boundTopRatio = Math.sin(Math.min(Math.max(Math.PI, angle), (3 * Math.PI) / 2));
const boundBottomRatio = Math.sin(Math.min(angle, Math.PI / 2));
const boundLeft = boundLeftRatio * (boundLeftRatio > 0 ? innerRadius : outerRadius);
const boundRight = boundRightRatio * (boundRightRatio > 0 ? outerRadius : innerRadius);
const boundTop = boundTopRatio * (boundTopRatio > 0 ? innerRadius : outerRadius);
const boundBottom = boundBottomRatio * (boundBottomRatio > 0 ? outerRadius : innerRadius);
return {
x: boundLeft,
y: clockwise ? -1 * boundBottom : boundTop,
width: boundRight - boundLeft,
height: boundBottom - boundTop,
};
}
}
exports.Arc = Arc;
Arc.prototype._centroid = true;
Arc.prototype.className = 'Arc';
Arc.prototype._attrsAffectingSize = ['innerRadius', 'outerRadius'];
(0, Global_2._registerNode)(Arc);
Factory_1.Factory.addGetterSetter(Arc, 'innerRadius', 0, (0, Validators_1.getNumberValidator)());
Factory_1.Factory.addGetterSetter(Arc, 'outerRadius', 0, (0, Validators_1.getNumberValidator)());
Factory_1.Factory.addGetterSetter(Arc, 'angle', 0, (0, Validators_1.getNumberValidator)());
Factory_1.Factory.addGetterSetter(Arc, 'clockwise', false, (0, Validators_1.getBooleanValidator)());
;