OgreEAGL2Window.h

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/*
-----------------------------------------------------------------------------
This source file is part of OGRE
    (Object-oriented Graphics Rendering Engine)
For the latest info, see http://www.ogre3d.org/

Copyright (c) 2000-2014 Torus Knot Software Ltd

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
-----------------------------------------------------------------------------
*/

#ifndef __EAGL2Window_H__
#define __EAGL2Window_H__

#include "OgreRenderWindow.h"

#ifdef __OBJC__
#import "OgreEAGL2View.h"
#import "OgreEAGL2ViewController.h"

// Forward declarations
@class CAEAGLLayer;

// Define the native window type
typedef UIWindow *NativeWindowType;

#endif

namespace Ogre {
    class EAGL2Support;
    class EAGLES2Context;

    class _OgrePrivate EAGL2Window : public RenderWindow
    {
        protected:
            bool mClosed;
            bool mVisible;
            bool mIsExternal;
            bool mUsingExternalView;
            bool mUsingExternalViewController;

            // iOS 4 content scaling
            bool mIsContentScalingSupported;
            float mContentScalingFactor;

            EAGL2Support* mGLSupport;
            EAGLES2Context* mContext;
#ifdef __OBJC__
            NativeWindowType mWindow;
            EAGL2View *mView;
            EAGL2ViewController *mViewController;
#endif

            void switchFullScreen(bool fullscreen) { }
            void getLeftAndTopFromNativeWindow(int & left, int & top, uint width, uint height);
            void initNativeCreatedWindow(const NameValuePairList *miscParams);
            void createNativeWindow(int &left, int &top, uint &width, uint &height, String &title);
            void reposition(int left, int top);
            void resize(unsigned int width, unsigned int height);
            void windowMovedOrResized();
            virtual void _beginUpdate();

    public:
            EAGL2Window(EAGL2Support* glsupport);
            virtual ~EAGL2Window();

            void create(const String& name, unsigned int width, unsigned int height,
                        bool fullScreen, const NameValuePairList *miscParams);

            virtual void setFullscreen(bool fullscreen, uint width, uint height);
            void destroy(void);
            bool isClosed(void) const { return mClosed; }
            bool isVisible(void) const { return mVisible; }

            void setVisible(bool visible) { mVisible = visible; }
            void setClosed(bool closed) { mClosed = closed; }
            void swapBuffers();
            void copyContentsToMemory(const PixelBox &dst, FrameBuffer buffer);
            PixelFormat suggestPixelFormat() const { return PF_BYTE_RGBA; }

            virtual void getCustomAttribute(const String& name, void* pData);

            bool requiresTextureFlipping() const { return false; }
    };
}

#endif