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V：1.20240808.006

uni_modules/Sansnn-uQRCode/js_sdk/gcanvas/env/canvas.js

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+import GContext2D from '../context-2d/RenderingContext';
+import GContextWebGL from '../context-webgl/RenderingContext';
+
+export default class GCanvas {
+
+    // static GBridge = null;
+
+    id = null;
+
+    _needRender = true;
+
+    constructor(id, { disableAutoSwap }) {
+        this.id = id;
+
+        this._disableAutoSwap = disableAutoSwap;
+        if (disableAutoSwap) {
+            this._swapBuffers = () => {
+                GCanvas.GBridge.render(this.id);
+            }
+        }
+    }
+
+    getContext(type) {
+
+        let context = null;
+
+        if (type.match(/webgl/i)) {
+            context = new GContextWebGL(this);
+
+            context.componentId = this.id;
+
+            if (!this._disableAutoSwap) {
+                const render = () => {
+                    if (this._needRender) {
+                        GCanvas.GBridge.render(this.id);
+                        this._needRender = false;
+                    }
+                }
+                setInterval(render, 16);
+            }
+
+            GCanvas.GBridge.callSetContextType(this.id, 1); // 0 for 2d; 1 for webgl
+        } else if (type.match(/2d/i)) {
+            context = new GContext2D(this);
+
+            context.componentId = this.id;
+
+//             const render = ( callback ) => {
+// 
+//                 const commands = context._drawCommands;
+//                 context._drawCommands = '';
+// 
+//                 GCanvas.GBridge.render2d(this.id, commands, callback);
+//                 this._needRender = false;
+//             }
+// 			//draw方法触发
+// 			context._flush = render;
+//             //setInterval(render, 16);
+
+            GCanvas.GBridge.callSetContextType(this.id, 0);
+        } else {
+            throw new Error('not supported context ' + type);
+        }
+
+        return context;
+
+    }
+
+    reset() {
+        GCanvas.GBridge.callReset(this.id);
+    }
+
+
+}

uni_modules/Sansnn-uQRCode/js_sdk/gcanvas/env/image.js

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+let incId = 1;
+
+const noop = function () { };
+
+class GImage {
+
+    static GBridge = null;
+
+    constructor() {
+        this._id = incId++;
+        this._width = 0;
+        this._height = 0;
+        this._src = undefined;
+        this._onload = noop;
+        this._onerror = noop;
+        this.complete = false;
+    }
+
+    get width() {
+        return this._width;
+    }
+    set width(v) {
+        this._width = v;
+    }
+
+    get height() {
+        return this._height;
+    }
+
+    set height(v) {
+        this._height = v;
+    }
+
+    get src() {
+        return this._src;
+    }
+
+    set src(v) {
+
+        if (v.startsWith('//')) {
+            v = 'http:' + v;
+        }
+
+        this._src = v;
+
+        GImage.GBridge.perloadImage([this._src, this._id], (data) => {
+            if (typeof data === 'string') {
+                data = JSON.parse(data);
+            }
+            if (data.error) {
+                var evt = { type: 'error', target: this };
+                this.onerror(evt);
+            } else {
+                this.complete = true;
+                this.width = typeof data.width === 'number' ? data.width : 0;
+                this.height = typeof data.height === 'number' ? data.height : 0;
+                var evt = { type: 'load', target: this };
+                this.onload(evt);
+            }
+        });
+    }
+
+    addEventListener(name, listener) {
+        if (name === 'load') {
+            this.onload = listener;
+        } else if (name === 'error') {
+            this.onerror = listener;
+        }
+    }
+
+    removeEventListener(name, listener) {
+        if (name === 'load') {
+            this.onload = noop;
+        } else if (name === 'error') {
+            this.onerror = noop;
+        }
+    }
+
+    get onload() {
+        return this._onload;
+    }
+
+    set onload(v) {
+        this._onload = v;
+    }
+
+    get onerror() {
+        return this._onerror;
+    }
+
+    set onerror(v) {
+        this._onerror = v;
+    }
+}
+
+export default GImage;

uni_modules/Sansnn-uQRCode/js_sdk/gcanvas/env/tool.js

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+
+export function ArrayBufferToBase64 (buffer) {
+    var binary = '';
+    var bytes = new Uint8ClampedArray(buffer);
+    for (var len = bytes.byteLength, i = 0; i < len; i++) {
+        binary += String.fromCharCode(bytes[i]);
+    }
+    return btoa(binary);
+}
+	
+export function Base64ToUint8ClampedArray(base64String) {
+	const padding = '='.repeat((4 - base64String.length % 4) % 4);
+	const base64 = (base64String + padding)
+		.replace(/\-/g, '+')
+		.replace(/_/g, '/');
+
+	const rawData = atob(base64);
+	const outputArray = new Uint8ClampedArray(rawData.length);
+
+	for (let i = 0; i < rawData.length; ++i) {
+		outputArray[i] = rawData.charCodeAt(i);
+	}
+	return outputArray;
+}