Function backupDisplay

src/Engine/Options.cpp:618–628

* Saves display settings temporarily to be able * to revert to old ones. */

 * to revert to old ones.
 */
void backupDisplay()
{
	Options::newDisplayWidth = Options::displayWidth;
	Options::newDisplayHeight = Options::displayHeight;
	Options::newBattlescapeScale = Options::battlescapeScale;
	Options::newGeoscapeScale = Options::geoscapeScale;
	Options::newOpenGL = Options::useOpenGL;
	Options::newScaleFilter = Options::useScaleFilter;
	Options::newHQXFilter = Options::useHQXFilter;
	Options::newOpenGLShader = Options::useOpenGLShader;
}

/**
 * Switches old/new display options for temporarily