void OSystem_IPHONE::handleEvent_orientationChanged(int orientation) {
//printf("Orientation: %i\n", orientation);
ScreenOrientation newOrientation;
switch (orientation) {
case 1:
newOrientation = kScreenOrientationPortrait;
break;
case 3:
newOrientation = kScreenOrientationLandscape;
break;
case 4:
newOrientation = kScreenOrientationFlippedLandscape;
break;
default:
return;
}
if (_screenOrientation != newOrientation) {
_screenOrientation = newOrientation;
updateOutputSurface();
dirtyFullScreen();
if (_videoContext->overlayVisible)
dirtyFullOverlayScreen();
updateScreen();
}
}
void OSystem_IPHONE::clearOverlay() {
//printf("clearOverlay()\n");
bzero(_overlayBuffer, _overlayWidth * _overlayHeight * sizeof(OverlayColor));
dirtyFullOverlayScreen();
}
void OSystem_IPHONE::showOverlay() {
//printf("showOverlay()\n");
_overlayVisible = true;
dirtyFullOverlayScreen();
iPhone_enableOverlay(true);
}