axmol/cocos/platform/desktop/CCGLView.h

/****************************************************************************
Copyright (c) 2010-2012 cocos2d-x.org
Copyright (c) 2013-2014 Chukong Technologies Inc.

http://www.cocos2d-x.org

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#ifndef __CC_EGLVIEW_DESKTOP_H__
#define __CC_EGLVIEW_DESKTOP_H__

#include "base/CCRef.h"
#include "platform/CCCommon.h"
#include "platform/CCGLViewProtocol.h"
#include "glfw3.h"

NS_CC_BEGIN

class CC_DLL GLView : public GLViewProtocol, public Ref
{
public:
    static GLView* create(const std::string& viewName);
    static GLView* createWithRect(const std::string& viewName, Rect size, float frameZoomFactor = 1.0f);
    static GLView* createWithFullScreen(const std::string& viewName);
    static GLView* createWithFullScreen(const std::string& viewName, const GLFWvidmode &videoMode, GLFWmonitor *monitor);

    /*
     *frameZoomFactor for frame. This method is for debugging big resolution (e.g.new ipad) app on desktop.
     */

    //void resize(int width, int height);

    float getFrameZoomFactor();
    //void centerWindow();

    virtual void setViewPortInPoints(float x , float y , float w , float h);
    virtual void setScissorInPoints(float x , float y , float w , float h);


    bool windowShouldClose();
    void pollEvents();
    GLFWwindow* getWindow() const { return _mainWindow; }

    /* override functions */
    virtual bool isOpenGLReady() override;
    virtual void end() override;
    virtual void swapBuffers() override;
    virtual void setFrameSize(float width, float height) override;
    virtual void setIMEKeyboardState(bool bOpen) override;

    /*
     * Set zoom factor for frame. This method is for debugging big resolution (e.g.new ipad) app on desktop.
     */
    void setFrameZoomFactor(float zoomFactor);

    /** Retina support is disabled by default
     *  @note This method is only available on Mac.
     */
    void enableRetina(bool enabled);
    /** Check whether retina display is enabled. */
    bool isRetinaEnabled() { return _isRetinaEnabled; };

protected:
    GLView();
    virtual ~GLView();

    bool initWithRect(const std::string& viewName, Rect rect, float frameZoomFactor);
    bool initWithFullScreen(const std::string& viewName);
    bool initWithFullscreen(const std::string& viewname, const GLFWvidmode &videoMode, GLFWmonitor *monitor);

    bool initGlew();

    void updateFrameSize();

    // GLFW callbacks
    void onGLFWError(int errorID, const char* errorDesc);
    void onGLFWMouseCallBack(GLFWwindow* window, int button, int action, int modify);
    void onGLFWMouseMoveCallBack(GLFWwindow* window, double x, double y);
    void onGLFWMouseScrollCallback(GLFWwindow* window, double x, double y);
    void onGLFWKeyCallback(GLFWwindow* window, int key, int scancode, int action, int mods);
    void onGLFWCharCallback(GLFWwindow* window, unsigned int character);
    void onGLFWWindowPosCallback(GLFWwindow* windows, int x, int y);
    void onGLFWframebuffersize(GLFWwindow* window, int w, int h);
    void onGLFWWindowSizeFunCallback(GLFWwindow *window, int width, int height);

    bool _captured;
    bool _supportTouch;
    bool _isInRetinaMonitor;
    bool _isRetinaEnabled;
    int  _retinaFactor;  // Should be 1 or 2

    float _frameZoomFactor;

    GLFWwindow* _mainWindow;
    GLFWmonitor* _monitor;

    float _mouseX;
    float _mouseY;

    friend class GLFWEventHandler;

private:
    CC_DISALLOW_COPY_AND_ASSIGN(GLView);
};

NS_CC_END   // end of namespace   cocos2d

#endif  // end of __CC_EGLVIEW_DESKTOP_H__