js-draw
Version:
Draw pictures using a pen, touchscreen, or mouse! JS-draw is a drawing library for JavaScript and TypeScript.
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JavaScript
;
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const math_1 = require("@js-draw/math");
const SelectionBuilder_1 = __importDefault(require("./SelectionBuilder"));
/**
* Creates rectangle selections
*/
class RectSelectionBuilder extends SelectionBuilder_1.default {
constructor(startPoint) {
super();
this.rect = math_1.Rect2.fromCorners(startPoint, startPoint);
}
onPointerMove(canvasPoint) {
this.rect = this.rect.grownToPoint(canvasPoint);
}
previewPath() {
return math_1.Path.fromRect(this.rect);
}
resolveInternal(image) {
return image.getComponentsIntersecting(this.rect).filter((element) => {
// Filter out the case where the selection rectangle is completely contained
// within the element (and does not intersect it).
// This is useful, for example, if a very large stroke is used as the background
// for another drawing. This prevents the very large stroke from being selected
// unless the selection touches one of its edges.
return element.intersectsRect(this.rect);
});
}
}
exports.default = RectSelectionBuilder;