tldraw
Version:
A tiny little drawing editor.
118 lines (117 loc) • 4.33 kB
JavaScript
"use strict";
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
for (var name in all)
__defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
if (from && typeof from === "object" || typeof from === "function") {
for (let key of __getOwnPropNames(from))
if (!__hasOwnProp.call(to, key) && key !== except)
__defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
}
return to;
};
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
var Erasing_exports = {};
__export(Erasing_exports, {
Erasing: () => Erasing
});
module.exports = __toCommonJS(Erasing_exports);
var import_editor = require("@tldraw/editor");
class Erasing extends import_editor.StateNode {
static id = "erasing";
info = {};
scribbleId = "id";
markId = "";
excludedShapeIds = /* @__PURE__ */ new Set();
onEnter(info) {
this.markId = this.editor.markHistoryStoppingPoint("erase scribble begin");
this.info = info;
const { originPagePoint } = this.editor.inputs;
this.excludedShapeIds = new Set(
this.editor.getCurrentPageShapes().filter((shape) => {
if (this.editor.isShapeOrAncestorLocked(shape)) return true;
if (this.editor.isShapeOfType(shape, "group") || this.editor.isShapeOfType(shape, "frame")) {
const pointInShapeShape = this.editor.getPointInShapeSpace(shape, originPagePoint);
const geometry = this.editor.getShapeGeometry(shape);
return geometry.bounds.containsPoint(pointInShapeShape);
}
return false;
}).map((shape) => shape.id)
);
const scribble = this.editor.scribbles.addScribble({
color: "muted-1",
size: 12
});
this.scribbleId = scribble.id;
this.update();
}
pushPointToScribble() {
const { x, y } = this.editor.inputs.currentPagePoint;
this.editor.scribbles.addPoint(this.scribbleId, x, y);
}
onExit() {
this.editor.setErasingShapes([]);
this.editor.scribbles.stop(this.scribbleId);
}
onPointerMove() {
this.update();
}
onPointerUp() {
this.complete();
}
onCancel() {
this.cancel();
}
onComplete() {
this.complete();
}
update() {
const { editor, excludedShapeIds } = this;
const erasingShapeIds = editor.getErasingShapeIds();
const zoomLevel = editor.getZoomLevel();
const currentPageShapes = editor.getCurrentPageRenderingShapesSorted();
const {
inputs: { currentPagePoint, previousPagePoint }
} = editor;
this.pushPointToScribble();
const erasing = new Set(erasingShapeIds);
const minDist = this.editor.options.hitTestMargin / zoomLevel;
for (const shape of currentPageShapes) {
if (editor.isShapeOfType(shape, "group")) continue;
const pageMask = editor.getShapeMask(shape.id);
if (pageMask && !(0, import_editor.pointInPolygon)(currentPagePoint, pageMask)) {
continue;
}
const geometry = editor.getShapeGeometry(shape);
const pageTransform = editor.getShapePageTransform(shape);
if (!geometry || !pageTransform) continue;
const pt = pageTransform.clone().invert();
const A = pt.applyToPoint(previousPagePoint);
const B = pt.applyToPoint(currentPagePoint);
const { bounds } = geometry;
if (bounds.minX - minDist > Math.max(A.x, B.x) || bounds.minY - minDist > Math.max(A.y, B.y) || bounds.maxX + minDist < Math.min(A.x, B.x) || bounds.maxY + minDist < Math.min(A.y, B.y)) {
continue;
}
if (geometry.hitTestLineSegment(A, B, minDist)) {
erasing.add(editor.getOutermostSelectableShape(shape).id);
}
}
this.editor.setErasingShapes([...erasing].filter((id) => !excludedShapeIds.has(id)));
}
complete() {
const { editor } = this;
editor.deleteShapes(editor.getCurrentPageState().erasingShapeIds);
this.parent.transition("idle");
}
cancel() {
const { editor } = this;
editor.bailToMark(this.markId);
this.parent.transition("idle", this.info);
}
}
//# sourceMappingURL=Erasing.js.map