Initial commit.

frontend/build-templates/wechatgame/libs/weapp-adapter/Canvas.js

@@ -0,0 +1,76 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = Canvas;
+
+var _WindowProperties = require('./WindowProperties');
+
+var hasModifiedCanvasPrototype = false; // import HTMLCanvasElement from './HTMLCanvasElement'
+
+var hasInit2DContextConstructor = false;
+var hasInitWebGLContextConstructor = false;
+
+function Canvas() {
+  var canvas = wx.createCanvas();
+
+  canvas.type = 'canvas';
+
+  // canvas.__proto__.__proto__.__proto__ = new HTMLCanvasElement()
+
+  var _getContext = canvas.getContext;
+
+  canvas.getBoundingClientRect = function () {
+    var ret = {
+      top: 0,
+      left: 0,
+      width: window.innerWidth,
+      height: window.innerHeight
+    };
+    return ret;
+  };
+
+  canvas.style = {
+    top: '0px',
+    left: '0px',
+    width: _WindowProperties.innerWidth + 'px',
+    height: _WindowProperties.innerHeight + 'px'
+  };
+
+  canvas.addEventListener = function (type, listener) {
+    var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
+
+    // console.log('canvas.addEventListener', type);
+    document.addEventListener(type, listener, options);
+  };
+
+  canvas.removeEventListener = function (type, listener) {
+    // console.log('canvas.removeEventListener', type);
+    document.removeEventListener(type, listener);
+  };
+
+  canvas.dispatchEvent = function () {
+    var event = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+
+    console.log('canvas.dispatchEvent', event.type, event);
+    // nothing to do
+  };
+
+  Object.defineProperty(canvas, 'clientWidth', {
+    enumerable: true,
+    get: function get() {
+      return _WindowProperties.innerWidth;
+    }
+  });
+
+  Object.defineProperty(canvas, 'clientHeight', {
+    enumerable: true,
+    get: function get() {
+      return _WindowProperties.innerHeight;
+    }
+  });
+
+  return canvas;
+}
+module.exports = exports['default'];