Method _getContext

systemvm/agent/noVNC/core/decoders/h264.js:274–277

(x, y, width, height)

    }

    _getContext(x, y, width, height) {
        let context = this._contexts[this._contextId(x, y, width, height)];
        return context !== undefined ? context : this._createContext(x, y, width, height);
    }

    _resetContext(x, y, width, height) {
        delete this._contexts[this._contextId(x, y, width, height)];