open source

Conch/source/domsupport/CanvasCtx.ts

@@ -0,0 +1,45 @@
+///<reference path="./LayaConchRuntime.d.ts" />
+class CanvasRenderingContext
+{
+    private canvas:HTMLCanvasElement;
+    public gl:LayaGLContext;
+    public _width:number;
+    public _height:number;
+    constructor(c:HTMLCanvasElement) {
+        this.canvas = c;
+        this.gl = LayaGLContext.instance;
+    }
+    setSize(w:number,h:number){
+        if (this._width != w || this._height != h) {
+            this._width = w;
+            this._height = h;
+            if(this.canvas._isFirst)
+            {
+                this.gl.setMainContextSize(this._width,this._height);
+            }
+        }
+    }
+    clear():void{
+        this.gl.clearColor(0, 0, 0, 0);
+        this.gl.clear(LayaGLContext.COLOR_BUFFER_BIT | LayaGLContext.DEPTH_BUFFER_BIT | LayaGLContext.STENCIL_BUFFER_BIT);
+    }
+    toBase64(type:string, encoderOptions:number, callback:(data:string)=>void):void{
+    }
+    getImageData(x: number, y: number, w: number, h: number, callBack:(data:ArrayBuffer)=>void):void{
+    }
+    drawImage(...args):void
+    {
+
+    }
+    destroy():void {
+        this.canvas = null;
+        this.gl = null;
+    }
+    set font(fontName:string) {
+        window["_conchTextCanvas"].font = fontName;
+    }
+    get font():string {
+        return window["_conchTextCanvas"].font;
+    }
+}
+window["CanvasRenderingContext"]=CanvasRenderingContext;