axmol/cocos/platform/ios/CCGLViewImpl-ios.h

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 Copyright (c) 2010-2012 cocos2d-x.org
 Copyright (c) 2013-2017 Chukong Technologies Inc.

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#ifndef __CC_EGLVIEWIMPL_IPHONE_H__
#define __CC_EGLVIEWIMPL_IPHONE_H__

#include "platform/CCPlatformConfig.h"
#if CC_TARGET_PLATFORM == CC_PLATFORM_IOS

#include "base/CCRef.h"
#include "platform/CCCommon.h"
#include "platform/CCGLView.h"

NS_CC_BEGIN


/** Class that represent the OpenGL View
 */
class CC_DLL GLViewImpl : public GLView
{
public:
    /** creates a GLViewImpl with a objective-c CCEAGLViewImpl instance */
    static GLViewImpl* createWithEAGLView(void* eaGLView);

    /** creates a GLViewImpl with a title name in fullscreen mode */
    static GLViewImpl* create(const std::string& viewName);

    /** creates a GLViewImpl with a title name, a rect and the zoom factor */
    static GLViewImpl* createWithRect(const std::string& viewName, const Rect& rect, float frameZoomFactor = 1.0f);

    /** creates a GLViewImpl with a name in fullscreen mode */
    static GLViewImpl* createWithFullScreen(const std::string& viewName);
    
    static void convertAttrs();
    static void* _pixelFormat;
    static int _depthFormat;

    /** sets the content scale factor */
    virtual bool setContentScaleFactor(float contentScaleFactor) override;

    /** returns the content scale factor */
    virtual float getContentScaleFactor() const override;

    /** returns whether or not the view is in Retina Display mode */
    virtual bool isRetinaDisplay() const override { return getContentScaleFactor() == 2.0; }

    /** returns the objective-c CCEAGLView instance */
    virtual void* getEAGLView() const override { return _eaglview; }

    // overrides
    virtual bool isOpenGLReady() override;
    virtual void end() override;
    virtual void swapBuffers() override;
    virtual void setIMEKeyboardState(bool bOpen) override;

    virtual Rect getSafeAreaRect() const override;

protected:
    GLViewImpl();
    virtual ~GLViewImpl();

    bool initWithEAGLView(void* eaGLView);
    bool initWithRect(const std::string& viewName, const Rect& rect, float frameZoomFactor);
    bool initWithFullScreen(const std::string& viewName);

    // the objective-c CCEAGLView instance
    void *_eaglview;
};

NS_CC_END

#endif // CC_PLATFORM_IOS

#endif    // end of __CC_EGLViewImpl_IPHONE_H__