Method clearContent

packages/fairygui/src/widgets/GLoader.ts:618–635

* Clear content * 清除内容

()

     * 清除内容
     */
    private clearContent(): void {
        this.clearErrorState();

        if (this._content) {
            if (!this._contentItem && this._content.texture) {
                this.freeExternal(this._content.texture);
            }
            this._content.texture = null;
            this._content.frames = [];
        }

        if (this._content2) {
            this._content2.dispose();
            this._content2 = null;
        }

        this._contentItem = null;
    }

    protected handleSizeChanged(): void {
        super.handleSizeChanged();