[occt.git] / samples / glfw / GlfwOcctView.h

// Copyright (c) 2019 OPEN CASCADE SAS
//
// This file is part of the examples of the Open CASCADE Technology software library.
//
// 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 _GlfwOcctView_Header
#define _GlfwOcctView_Header

#include "GlfwOcctWindow.h"

#include <AIS_InteractiveContext.hxx>
#include <AIS_ViewController.hxx>
#include <V3d_View.hxx>

//! Sample class creating 3D Viewer within GLFW window.
class GlfwOcctView : protected AIS_ViewController
{
public:
  //! Default constructor.
	GlfwOcctView();

  //! Destructor.
	~GlfwOcctView();

  //! Main application entry point.
  void run();

private:

  //! Create GLFW window.
  void initWindow (int theWidth, int theHeight, const char* theTitle);

  //! Create 3D Viewer.
  void initViewer();

  //! Fill 3D Viewer with a DEMO items.
  void initDemoScene();

  //! Application event loop.
  void mainloop();

  //! Clean up before .
  void cleanup();

//! @name GLWF callbacks
private:
  //! Window resize event.
  void onResize (int theWidth, int theHeight);

  //! Mouse scroll event.
  void onMouseScroll (double theOffsetX, double theOffsetY);

  //! Mouse click event.
  void onMouseButton (int theButton, int theAction, int theMods);

  //! Mouse move event.
  void onMouseMove (int thePosX, int thePosY);

//! @name GLWF callbacks (static functions)
private:

  //! GLFW callback redirecting messages into Message::DefaultMessenger().
  static void errorCallback (int theError, const char* theDescription);

  //! Wrapper for glfwGetWindowUserPointer() returning this class instance.
  static GlfwOcctView* toView (GLFWwindow* theWin);

  //! Window resize callback.
  static void onResizeCallback (GLFWwindow* theWin, int theWidth, int theHeight)
  { toView(theWin)->onResize (theWidth, theHeight); }

  //! Frame-buffer resize callback.
  static void onFBResizeCallback (GLFWwindow* theWin, int theWidth, int theHeight)
  { toView(theWin)->onResize (theWidth, theHeight); }

  //! Mouse scroll callback.
  static void onMouseScrollCallback (GLFWwindow* theWin, double theOffsetX, double theOffsetY)
  { toView(theWin)->onMouseScroll (theOffsetX, theOffsetY); }

  //! Mouse click callback.
  static void onMouseButtonCallback (GLFWwindow* theWin, int theButton, int theAction, int theMods)
  { toView(theWin)->onMouseButton (theButton, theAction, theMods); }

  //! Mouse move callback.
  static void onMouseMoveCallback (GLFWwindow* theWin, double thePosX, double thePosY)
  { toView(theWin)->onMouseMove ((int )thePosX, (int )thePosY); }

private:

  Handle(GlfwOcctWindow) myOcctWindow;
  Handle(V3d_View) myView;
  Handle(AIS_InteractiveContext) myContext;

};

#endif // _GlfwOcctView_Header
Commit	Line	Data
	1	// Copyright (c) 2019 OPEN CASCADE SAS
	2	//
	3	// This file is part of the examples of the Open CASCADE Technology software library.
	4	//
	5	// Permission is hereby granted, free of charge, to any person obtaining a copy
	6	// of this software and associated documentation files (the "Software"), to deal
	7	// in the Software without restriction, including without limitation the rights
	8	// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
	9	// copies of the Software, and to permit persons to whom the Software is
	10	// furnished to do so, subject to the following conditions:
	11	//
	12	// The above copyright notice and this permission notice shall be included in all
	13	// copies or substantial portions of the Software.
	14	//
	15	// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	16	// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	17	// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
	18	// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	19	// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
	20	// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE
	21
	22	#ifndef _GlfwOcctView_Header
	23	#define _GlfwOcctView_Header
	24
	25	#include "GlfwOcctWindow.h"
	26
	27	#include <AIS_InteractiveContext.hxx>
	28	#include <AIS_ViewController.hxx>
	29	#include <V3d_View.hxx>
	30
	31	//! Sample class creating 3D Viewer within GLFW window.
	32	class GlfwOcctView : protected AIS_ViewController
	33	{
	34	public:
	35	//! Default constructor.
	36	GlfwOcctView();
	37
	38	//! Destructor.
	39	~GlfwOcctView();
	40
	41	//! Main application entry point.
	42	void run();
	43
	44	private:
	45
	46	//! Create GLFW window.
	47	void initWindow (int theWidth, int theHeight, const char* theTitle);
	48
	49	//! Create 3D Viewer.
	50	void initViewer();
	51
	52	//! Fill 3D Viewer with a DEMO items.
	53	void initDemoScene();
	54
	55	//! Application event loop.
	56	void mainloop();
	57
	58	//! Clean up before .
	59	void cleanup();
	60
	61	//! @name GLWF callbacks
	62	private:
	63	//! Window resize event.
	64	void onResize (int theWidth, int theHeight);
	65
	66	//! Mouse scroll event.
	67	void onMouseScroll (double theOffsetX, double theOffsetY);
	68
	69	//! Mouse click event.
	70	void onMouseButton (int theButton, int theAction, int theMods);
	71
	72	//! Mouse move event.
	73	void onMouseMove (int thePosX, int thePosY);
	74
	75	//! @name GLWF callbacks (static functions)
	76	private:
	77
	78	//! GLFW callback redirecting messages into Message::DefaultMessenger().
	79	static void errorCallback (int theError, const char* theDescription);
	80
	81	//! Wrapper for glfwGetWindowUserPointer() returning this class instance.
	82	static GlfwOcctView* toView (GLFWwindow* theWin);
	83
	84	//! Window resize callback.
	85	static void onResizeCallback (GLFWwindow* theWin, int theWidth, int theHeight)
	86	{ toView(theWin)->onResize (theWidth, theHeight); }
	87
	88	//! Frame-buffer resize callback.
	89	static void onFBResizeCallback (GLFWwindow* theWin, int theWidth, int theHeight)
	90	{ toView(theWin)->onResize (theWidth, theHeight); }
	91
	92	//! Mouse scroll callback.
	93	static void onMouseScrollCallback (GLFWwindow* theWin, double theOffsetX, double theOffsetY)
	94	{ toView(theWin)->onMouseScroll (theOffsetX, theOffsetY); }
	95
	96	//! Mouse click callback.
	97	static void onMouseButtonCallback (GLFWwindow* theWin, int theButton, int theAction, int theMods)
	98	{ toView(theWin)->onMouseButton (theButton, theAction, theMods); }
	99
	100	//! Mouse move callback.
	101	static void onMouseMoveCallback (GLFWwindow* theWin, double thePosX, double thePosY)
	102	{ toView(theWin)->onMouseMove ((int )thePosX, (int )thePosY); }
	103
	104	private:
	105
	106	Handle(GlfwOcctWindow) myOcctWindow;
	107	Handle(V3d_View) myView;
	108	Handle(AIS_InteractiveContext) myContext;
	109
	110	};
	111
	112	#endif // _GlfwOcctView_Header