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lab_glut.h
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//-------------------------------------------------------------------------------------------------
// Descriere:
// fisier header in care e implementat un handler pentru freeglut, care ofera:
// - o fereastra
// - control asupra inputului(mouse, keyboard)
// - un context de OpenGL fara de care nu am putea lucra cu OpenGL
//
// OBS:
// FREEGLUT NU ESTE OPENGL, exista multe alte sisteme de fereastra+input+context ce pot
// fi folosite cu OpenGL. (ex: glfw, sdl, fltk, glow, cod nativ , etc)
//
// Note:
// Cum freeglut utilizeaza functii c este imposibil sa ii oferim metode de clasa fara
// artificii de design. Cum scopul codului este acela de a maximiza claritatea si de a fi
// cat se poate de simplu vom folosi functii statice.
// Pentru a pastra un nivel minim de organizare a codului vom folosi un namespace doar pentru glut.
//
// Note2:
// daca o functie sau o variabila incepe cu underscore (_) atunci (f probabil) ca nu trebuie sa
// lucrati direct cu ea
//
// Autor: Lucian Petrescu
// Data: 28 Sep 2013
//-------------------------------------------------------------------------------------------------
#pragma once
#include "lab_glut_support.h"
#include <iostream>
namespace lab{
namespace glut{
void _idleCallback();
void _displayCallback();
void _reshapeCallback(int width, int height);
//defintie forward pt aceasta functie, e implementata la linia 193
void close();
void _keyboardDownCallback(unsigned char key_pressed, int mouse_x, int mouse_y);
void _keyboardUpCallback(unsigned char key_released, int mouse_x, int mouse_y);
void _specialDownCallback(int key_pressed, int mouse_x, int mouse_y);
void _specialUpCallback(int key_released, int mouse_x, int mouse_y);
void _motionCallback(int mouse_x, int mouse_y);
void _passiveMotionCallback(int mouse_x, int mouse_y);
void _mouseCallback(int button, int state, int mouse_x, int mouse_y);
void _mouseWheelCallback(int wheel, int direction, int mouse_x, int mouse_y);
//-----------------------------------------------------------------------------------------
//initializare glut, functia necesita 3 parametri
// -window, de tip WindowInfo, descrie fereastra ce va fi oferita
// -context, de tip ContextInfo, ce descrie contextul pe care il cerem de la driver
// -framebuffer, de tip FramebufferInfo, ce descrie formatul datelor din framebufferul oferit de glut
void init(const WindowInfo &window, const ContextInfo &context, const FramebufferInfo &framebuffer);
//-----------------------------------------------------------------------------------------
// GLUT incepe sa ruleze (cadru dupa cadru)
void run();
//functia aceasta o apelati cand doriti sa inchideti glut
void close();
//-----------------------------------------------------------------------------------------
// detalii despre framebuffer
const FramebufferInfo& getInitialFramebufferInformation();
//detalii despre fereastra
const WindowInfo& getInitialWindowInformation();
//detalii despre context
const ContextInfo& getContextInfo();
//-----------------------------------------------------------------------------------------
//fullscreen
void enterFullscreen();
void exitFullscreen();
//-----------------------------------------------------------------------------------------
//listener
void setListener(WindowListener* listener);
WindowListener* getListener();
}
}