Method _rescale

systemvm/agent/noVNC/core/display.js:456–472

(factor)

    // ===== PRIVATE METHODS =====

    _rescale(factor) {
        this._scale = factor;
        const vp = this._viewportLoc;

        // NB(directxman12): If you set the width directly, or set the
        //                   style width to a number, the canvas is cleared.
        //                   However, if you set the style width to a string
        //                   ('NNNpx'), the canvas is scaled without clearing.
        const width = factor * vp.w + 'px';
        const height = factor * vp.h + 'px';

        if ((this._target.style.width !== width) ||
            (this._target.style.height !== height)) {
            this._target.style.width = width;
            this._target.style.height = height;
        }
    }

    _setFillColor(color) {
        const newStyle = 'rgb(' + color[0] + ',' + color[1] + ',' + color[2] + ')';