openglcanvas

#include "wx/wx.h"
#include <wx/glcanvas.h>
#include "openglcanvas.h"
#include "GL/gl.h"
//#include <GL/glut.h>
#include "GL/freeglut.h"
#include <wx/accel.h>
#include "mainframe.h"

BEGIN_EVENT_TABLE(OpenGLCanvas, wxGLCanvas)

EVT_PAINT(OpenGLCanvas::OnPaint)
EVT_SIZE(OpenGLCanvas::OnSize)
EVT_ERASE_BACKGROUND(OpenGLCanvas::OnEraseBackground)
EVT_MOTION(OpenGLCanvas::OnMouseMove)
EVT_LEFT_DOWN(OpenGLCanvas::OnLeftDown)
EVT_LEFT_UP(OpenGLCanvas::OnLeftUp)

END_EVENT_TABLE ()

using namespace std;

OpenGLCanvas::OpenGLCanvas(wxWindow *parent, wxWindowID id,const wxPoint& pos, const wxSize& size,long style, const wxString& name): wxGLCanvas(parent, id, pos, size, style, name)
{
    m_parent=(CMainFrame*)parent;
}

OpenGLCanvas::~OpenGLCanvas(void)
{

}

void OpenGLCanvas::OnPaint(wxPaintEvent& event)
{
    wxPaintDC dc(this);
    SetCurrent();

    //instructions dans Draw()
    Draw();
    SwapBuffers();
}

void OpenGLCanvas::OnSize(wxSizeEvent& event)
{
    wxGLCanvas::OnSize(event);
    int w, h;

    GetClientSize(&w, &h);

    glViewport(0, 0, (GLint) w, (GLint) h);
}

void OpenGLCanvas::OnEraseBackground(wxEraseEvent& event)
{

}

void OpenGLCanvas::Draw()
{
    glMatrixMode( GL_PROJECTION );
    glLoadIdentity();
    int w, h;
    GetClientSize(&w, &h);
    cout <<w<<" "<<h<<endl;
    glOrtho(-w/2., w/2., -h/2., h/2., -1., 3.);

    glMatrixMode( GL_MODELVIEW );
    glLoadIdentity();

    glClearColor( .3f, .4f, .6f, 1 );
    glClear( GL_COLOR_BUFFER_BIT);

    cout<<"drawing triangles"<<endl;

    /*glBegin(GL_TRIANGLES);
    glVertex2f(0.4f,0.4f);
    glVertex2f(0.2f,0.2f);
    glVertex2f(0.3f,0.3f);*/

    for(int i=0;i<m_parent->num_tri;i++)
    {
        glBegin(GL_TRIANGLES);
        cout<<"triangle "<<i<<endl;
        // triangle plein
        glColor3d(m_parent->tab_tri[i].colour->Red(),m_parent->tab_tri[i].colour->Green(),m_parent->tab_tri[i].colour->Blue()); // the color
        glVertex2i(m_parent->tab_tri[i].p1.x,m_parent->tab_tri[i].p1.y);
        glVertex2i(m_parent->tab_tri[i].p2.x,m_parent->tab_tri[i].p2.y);
        glVertex2i(m_parent->tab_tri[i].p3.x,m_parent->tab_tri[i].p3.y);
        glEnd();

        glBegin(GL_LINE_STRIP);
        // triangle vide
        glColor3d(0,0,0); // black
        glLineWidth(m_parent->tab_tri[i].thickness);
        glVertex2i(m_parent->tab_tri[i].p1.x,m_parent->tab_tri[i].p1.y);
        glVertex2i(m_parent->tab_tri[i].p2.x,m_parent->tab_tri[i].p2.y);
        glVertex2i(m_parent->tab_tri[i].p3.x,m_parent->tab_tri[i].p3.y);
        glEnd();
    }
}

void OpenGLCanvas::OnMouseMove(wxMouseEvent& event)
{

}

void OpenGLCanvas::OnLeftUp(wxMouseEvent& event)
{

}

void OpenGLCanvas::OnLeftDown(wxMouseEvent& event)
{

}