a2702f6d
 刘淇
巡查计划
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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);
}
}
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