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From Stephan Huber, "proposed changes allows the user to add a osgGraphicsWindowIOS as an

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UIView, respecting the sizes via GraphicsContext::Traits.
This helps users, who want to integrate osg into an existing ios-app
with multiple UIViews. Additinally a view-controller gets only created
if needed, set IGNORE_ORIENTATION via the WindowData-struct.
"
This commit is contained in:
Robert Osfield 2011-05-16 12:44:39 +00:00
parent c44ef1bfd9
commit cd2eaf2826
2 changed files with 44 additions and 32 deletions
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12
include/osgViewer/api/IOS/GraphicsWindowIOS
View File

@ -136,6 +136,7 @@ class GraphicsWindowIOS : public osgViewer::GraphicsWindow
{
public:
enum DeviceOrientation{
IGNORE_ORIENTATION = 0,
PORTRAIT_ORIENTATION = 1<<0,
PORTRAIT_UPSIDEDOWN_ORIENTATION = 1<<1,
LANDSCAPE_LEFT_ORIENTATION = 1<<2,
@ -144,8 +145,8 @@ class GraphicsWindowIOS : public osgViewer::GraphicsWindow
};
typedef unsigned int DeviceOrientationFlags;
WindowData(UIWindow* window = NULL, DeviceOrientationFlags orientationFlags = ALL_ORIENTATIONS, float scaleFactor = -1.0f)
: _window(window),
WindowData(UIView* window_or_view = NULL, DeviceOrientationFlags orientationFlags = ALL_ORIENTATIONS, float scaleFactor = -1.0f)
: _windowOrView(window_or_view),
_deviceOrientationFlags(orientationFlags),
_viewContentScaleFactor(scaleFactor)
{
@ -155,9 +156,10 @@ class GraphicsWindowIOS : public osgViewer::GraphicsWindow
void setViewContentScaleFactor(float scaleFactor) { _viewContentScaleFactor = scaleFactor; }
UIView* getWindowOrParentView() const { return _windowOrView; }
private:
UIWindow* _window;
UIView* _windowOrView;
DeviceOrientationFlags _deviceOrientationFlags;
float _viewContentScaleFactor;
@ -167,7 +169,7 @@ class GraphicsWindowIOS : public osgViewer::GraphicsWindow
EAGLContext* getContext() { return _context; }
GraphicsWindowIOSWindow* getWindow() { return _window; }
GraphicsWindowIOSGLView* getView() { return _view; }
void setVSync(bool f);
/** adapts a resize / move of the window, coords in global screen space */
@ -176,7 +178,7 @@ class GraphicsWindowIOS : public osgViewer::GraphicsWindow
WindowData::DeviceOrientationFlags getDeviceOrientationFlags() const { return _deviceOrientationFlags; }
void getDeviceOrientationFlags(WindowData::DeviceOrientationFlags flags) { _deviceOrientationFlags = flags; }
void setDeviceOrientationFlags(WindowData::DeviceOrientationFlags flags) { _deviceOrientationFlags = flags; }
//

62
src/osgViewer/GraphicsWindowIOS.mm
View File

@ -125,7 +125,7 @@
- (osgGA::GUIEventAdapter::TouchPhase) convertTouchPhase: (UITouchPhase) phase;
- (osg::Vec2) convertPointToPixel: (osg::Vec2) point;
- (void) dealloc;
@end
@implementation GraphicsWindowIOSGLView
@ -181,6 +181,7 @@
_context = context;
}
// You must implement this method
+ (Class)layerClass {
return [CAEAGLLayer class];
@ -220,10 +221,8 @@
//
- (void) dealloc
{
//[self destroyFramebuffer];
//[_context release];//OBJC_TEST
//_context = nil;
//_win = NULL;
OSG_INFO << "GraphicsWindowIOSGLView::dealloc" << std::endl;
[super dealloc];
}
@ -590,6 +589,9 @@ void GraphicsWindowIOS::init()
_ownsWindow = false;
_context = NULL;
_window = NULL;
_view = NULL;
_viewController = NULL;
_updateContext = true;
//if -1.0 we use the screens scale factor
_viewContentScaleFactor = -1.0f;
@ -638,10 +640,10 @@ bool GraphicsWindowIOS::realizeImplementation()
WindowData* windowData = _traits->inheritedWindowData ? dynamic_cast<WindowData*>(_traits->inheritedWindowData.get()) : NULL;
if (windowData)
{
if (windowData->_window)
if (windowData->getWindowOrParentView())
{
_ownsWindow = false;
_window = windowData->_window;
_window = windowData->getWindowOrParentView();
}
_deviceOrientationFlags = windowData->_deviceOrientationFlags;
@ -661,28 +663,28 @@ bool GraphicsWindowIOS::realizeImplementation()
//but we need to create our views and windows in points. By default we create a full res buffer across all devices. This
//means that for backward compatibility you need to set the windowData _viewContentScaleFactor to 1.0f and set the screen res to the
//res of the older gen device.
CGRect viewBounds;
CGRect window_bounds;
osg::Vec2 pointsOrigin = this->pixelToPoint(osg::Vec2(_traits->x, _traits->y));
osg::Vec2 pointsSize = this->pixelToPoint(osg::Vec2(_traits->width, _traits->height));
viewBounds.origin.x = pointsOrigin.x();
viewBounds.origin.y = pointsOrigin.y();
viewBounds.size.width = pointsSize.x();
viewBounds.size.height = pointsSize.y();
window_bounds.origin.x = pointsOrigin.x();
window_bounds.origin.y = pointsOrigin.y();
window_bounds.size.width = pointsSize.x();
window_bounds.size.height = pointsSize.y();
//if we own the window we need to create one
if (_ownsWindow)
{
//create the IOS window object using the viewbounds (in points) required for our context size
_window = [[GraphicsWindowIOSWindow alloc] initWithFrame: viewBounds];// styleMask: style backing: NSBackingStoreBuffered defer: NO];
_window = [[GraphicsWindowIOSWindow alloc] initWithFrame: window_bounds];// styleMask: style backing: NSBackingStoreBuffered defer: NO];
if (!_window) {
OSG_WARN << "GraphicsWindowIOS::realizeImplementation: ERROR: Failed to create GraphicsWindowIOSWindow can not display gl view" << std::endl;
return false;
}
OSG_DEBUG << "GraphicsWindowIOS::realizeImplementation: INFO: Created UIWindow with bounds '" << viewBounds.size.width << ", " << viewBounds.size.height << "' (points)." << std::endl;
OSG_DEBUG << "GraphicsWindowIOS::realizeImplementation: INFO: Created UIWindow with bounds '" << window_bounds.size.width << ", " << window_bounds.size.height << "' (points)." << std::endl;
//if the user has requested a differnet screenNum from default 0 get the UIScreen object and
//apply to our window (this is for IPad external screens, I don't have one, so I've no idea if it works)
@ -711,7 +713,8 @@ bool GraphicsWindowIOS::realizeImplementation()
}
//create the view to display our context in our window
GraphicsWindowIOSGLView* theView = [[ GraphicsWindowIOSGLView alloc ] initWithFrame:[ _window frame ] : this ];
CGRect gl_view_bounds = (_ownsWindow) ? [_window frame] : window_bounds;
GraphicsWindowIOSGLView* theView = [[ GraphicsWindowIOSGLView alloc ] initWithFrame: gl_view_bounds : this ];
if(!theView)
{
OSG_FATAL << "GraphicsWindowIOS::realizeImplementation: ERROR: Failed to create GraphicsWindowIOSGLView, can not create frame buffers." << std::endl;
@ -724,7 +727,6 @@ bool GraphicsWindowIOS::realizeImplementation()
//size to our desired context size.
#ifdef __IPHONE_4_0 && (__IPHONE_OS_VERSION_MIN_REQUIRED >= __IPHONE_4_0)
theView.contentScaleFactor = _viewContentScaleFactor;
#endif
[theView setGraphicsWindow: this];
[theView setOpenGLContext:_context];
@ -732,17 +734,19 @@ bool GraphicsWindowIOS::realizeImplementation()
OSG_DEBUG << "GraphicsWindowIOS::realizeImplementation / view: " << theView << std::endl;
//
_viewController = [[GraphicsWindowIOSGLViewController alloc] init];
_viewController.view = _view;
if (getDeviceOrientationFlags() != WindowData::IGNORE_ORIENTATION)
{
_viewController = [[GraphicsWindowIOSGLViewController alloc] init];
_viewController.view = _view;
}
// Attach view to window
[_window addSubview: _view];
[theView release];
//if we own the window also make it visible
if (_ownsWindow) {
if (_ownsWindow)
{
//show window
[_window makeKeyAndVisible];
}
@ -764,22 +768,27 @@ bool GraphicsWindowIOS::realizeImplementation()
// ----------------------------------------------------------------------------------------------------------
void GraphicsWindowIOS::closeImplementation()
{
OSG_ALWAYS << "close IOS window" << std::endl;
OSG_INFO << "close IOS window" << std::endl;
_valid = false;
_realized = false;
if (_view) {
if (_view)
{
[_view setOpenGLContext: NULL];
[_context release];
[_view removeFromSuperview];
[_view setGraphicsWindow: NULL];
[_view release];
}
if (_viewController) {
if (_viewController)
{
[_viewController release];
_viewController = NULL;
}
if (_window && _ownsWindow) {
if (_window && _ownsWindow)
{
[_window release];
//[glView release];
}
@ -787,6 +796,7 @@ void GraphicsWindowIOS::closeImplementation()
_window = NULL;
_view = NULL;
_context = NULL;
}