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104
node_modules/konva/cmj/shapes/Image.js
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104
node_modules/konva/cmj/shapes/Image.js
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"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.Image = void 0;
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const Util_1 = require("../Util");
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const Factory_1 = require("../Factory");
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const Shape_1 = require("../Shape");
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const Validators_1 = require("../Validators");
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const Global_1 = require("../Global");
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class Image extends Shape_1.Shape {
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constructor(attrs) {
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super(attrs);
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this.on('imageChange.konva', () => {
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this._setImageLoad();
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});
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this._setImageLoad();
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}
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_setImageLoad() {
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const image = this.image();
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if (image && image.complete) {
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return;
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}
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if (image && image.readyState === 4) {
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return;
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}
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if (image && image['addEventListener']) {
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image['addEventListener']('load', () => {
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this._requestDraw();
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});
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}
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}
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_useBufferCanvas() {
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return super._useBufferCanvas(true);
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}
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_sceneFunc(context) {
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const width = this.getWidth();
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const height = this.getHeight();
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const image = this.attrs.image;
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let params;
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if (image) {
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const cropWidth = this.attrs.cropWidth;
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const cropHeight = this.attrs.cropHeight;
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if (cropWidth && cropHeight) {
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params = [
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image,
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this.cropX(),
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this.cropY(),
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cropWidth,
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cropHeight,
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0,
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0,
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width,
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height,
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];
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}
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else {
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params = [image, 0, 0, width, height];
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}
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}
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if (this.hasFill() || this.hasStroke()) {
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context.beginPath();
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context.rect(0, 0, width, height);
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context.closePath();
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context.fillStrokeShape(this);
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}
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if (image) {
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context.drawImage.apply(context, params);
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}
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}
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_hitFunc(context) {
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var width = this.width(), height = this.height();
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context.beginPath();
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context.rect(0, 0, width, height);
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context.closePath();
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context.fillStrokeShape(this);
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}
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getWidth() {
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var _a, _b;
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return (_a = this.attrs.width) !== null && _a !== void 0 ? _a : (_b = this.image()) === null || _b === void 0 ? void 0 : _b.width;
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}
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getHeight() {
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var _a, _b;
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return (_a = this.attrs.height) !== null && _a !== void 0 ? _a : (_b = this.image()) === null || _b === void 0 ? void 0 : _b.height;
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}
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static fromURL(url, callback) {
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var img = Util_1.Util.createImageElement();
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img.onload = function () {
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var image = new Image({
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image: img,
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});
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callback(image);
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};
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img.crossOrigin = 'Anonymous';
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img.src = url;
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}
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}
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exports.Image = Image;
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Image.prototype.className = 'Image';
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(0, Global_1._registerNode)(Image);
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Factory_1.Factory.addGetterSetter(Image, 'image');
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Factory_1.Factory.addComponentsGetterSetter(Image, 'crop', ['x', 'y', 'width', 'height']);
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Factory_1.Factory.addGetterSetter(Image, 'cropX', 0, (0, Validators_1.getNumberValidator)());
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Factory_1.Factory.addGetterSetter(Image, 'cropY', 0, (0, Validators_1.getNumberValidator)());
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Factory_1.Factory.addGetterSetter(Image, 'cropWidth', 0, (0, Validators_1.getNumberValidator)());
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Factory_1.Factory.addGetterSetter(Image, 'cropHeight', 0, (0, Validators_1.getNumberValidator)());
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