libTextSuite/header/examples/c/main-gnuc.c

#include <GL/gl.h>
#include <GL/glut.h>

#include "example.h"
#include "helper.h"

static int windowId;
static int screenw, screenh;

static void Resize(int width, int height)
{
    screenw = width;
    screenh = height;
    
    glViewport(0, 0, screenw, screenh);
    
    glMatrixMode(GL_PROJECTION);
    glLoadIdentity();
    glOrtho(0, screenw, screenh, 0, -10, 10);
    
    glMatrixMode(GL_MODELVIEW);
    glLoadIdentity();
}

static void Render(void)
{
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
    
    if (!exampleRender(screenw, screenh))
    {
        glutDestroyWindow(windowId);
        return;
    }
    
    glutSwapBuffers();
}

int main(int argc, char** argv)
{
    glutInit(&argc, argv);

    glutInitDisplayMode(GLUT_RGBA | GLUT_DEPTH | GLUT_DOUBLE);
    glutInitWindowSize(640, 480);
    windowId = glutCreateWindow("libTextSuite example");

    glClearColor(1.0, 1.0, 1.0, 1.0);
    
    if (!exampleInit())
        return 1;
    
    glutReshapeFunc(Resize);
    glutDisplayFunc(Render);

    glutMainLoop();
    
    exampleFinish();
}