94 lines
3.2 KiB
JavaScript
94 lines
3.2 KiB
JavaScript
var __defProp = Object.defineProperty;
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var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
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var __getOwnPropNames = Object.getOwnPropertyNames;
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var __hasOwnProp = Object.prototype.hasOwnProperty;
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var __export = (target, all) => {
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for (var name in all)
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__defProp(target, name, { get: all[name], enumerable: true });
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};
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var __copyProps = (to, from, except, desc) => {
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if (from && typeof from === "object" || typeof from === "function") {
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for (let key of __getOwnPropNames(from))
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if (!__hasOwnProp.call(to, key) && key !== except)
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__defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
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}
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return to;
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};
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var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
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// src/ImageEditor/cropper/viewerBridge.ts
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var viewerBridge_exports = {};
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__export(viewerBridge_exports, {
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default: () => viewerBridge_default
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});
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module.exports = __toCommonJS(viewerBridge_exports);
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var import_func = require("@zhst/func");
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var import_constants = require("./constants");
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var import_constants2 = require("../viewer/constants");
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var viewerBridge_default = {
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initBridge() {
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const { container, element, eventHandleList = [], option } = this;
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if (this.options.viewer) {
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const viewer = this.options.viewer;
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const handleWhele = (0, import_func.addEventListenerWrapper)(container, import_constants.EVENT_WHEEL, this.onWheel.bind(this));
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eventHandleList.push(handleWhele);
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this.onTransformChange(viewer);
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this.limited = true;
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const handleTransformChange = (0, import_func.addEventListenerWrapper)(
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viewer.element,
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import_constants2.EVENT_VIEWER_TRANSFORM_CHANGE,
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(event) => {
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this.onTransformChange(viewer);
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}
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);
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eventHandleList.push(handleTransformChange);
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}
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},
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onTransformChange(viewer) {
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if (!viewer.image)
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return;
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const { width: imgWidth, height: imgHeight } = viewer.image;
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const { rotate = 0 } = viewer.targetTransform || {};
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let imgLeftTop = { x: 0, y: 0 };
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let imgRightBottom = { x: imgWidth, y: imgHeight };
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if (rotate % 180 !== 0) {
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const diffx = (imgWidth - imgHeight) / 2;
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const diffy = (imgHeight - imgWidth) / 2;
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imgLeftTop = {
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x: imgLeftTop.x + diffx,
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y: imgLeftTop.y + diffy
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};
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imgRightBottom = {
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x: imgRightBottom.x - diffx,
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y: imgRightBottom.y - diffy
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};
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}
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const { x: x1, y: y1 } = viewer.originAxisToCanvasAxis({ x: imgLeftTop.x, y: imgLeftTop.y });
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const { x: x2, y: y2 } = viewer.originAxisToCanvasAxis({
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x: imgRightBottom.x,
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y: imgRightBottom.y
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});
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const limitCropBox = {
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left: x1,
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top: y1,
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width: x2 - x1,
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height: y2 - y1
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};
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this.options.cropBoxLimited = limitCropBox;
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this.limitCropBox(true, true);
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if (this.previewBox) {
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const canvas = this.previewBox;
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const ctx = canvas.getContext("2d");
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const viewerRender = viewer.renderCanvas.bind(viewer);
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viewerRender(ctx);
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}
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},
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onWheel(event) {
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const viewer = this.options.viewer;
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const onViewerWheelHandler = viewer.onWheel.bind(viewer);
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onViewerWheelHandler(event, this.cropped ? this.cropBoxData : null);
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},
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clearBridge() {
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}
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};
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