首次完整推送，

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);
+    }
+
+
+}