From fe97f78b9a343ee9fa45a3531d03d73dcd1df31b Mon Sep 17 00:00:00 2001
From: qx <1084500556@qq.com>
Date: 星期三, 06 八月 2025 10:15:12 +0800
Subject: [PATCH] :测试提交“
---
uni_modules/Sansnn-uQRCode/js_sdk/gcanvas/env/canvas.js | 74 +++++++++++++++++++++++++++++++++++++
1 files changed, 74 insertions(+), 0 deletions(-)
diff --git a/uni_modules/Sansnn-uQRCode/js_sdk/gcanvas/env/canvas.js b/uni_modules/Sansnn-uQRCode/js_sdk/gcanvas/env/canvas.js
new file mode 100644
index 0000000..a8d9bb9
--- /dev/null
+++ b/uni_modules/Sansnn-uQRCode/js_sdk/gcanvas/env/canvas.js
@@ -0,0 +1,74 @@
+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鏂规硶瑙﹀彂
+// 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);
+ }
+
+
+}
\ No newline at end of file
--
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