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|
/*
=========================================================================
| GLF Library Test
|
| Author: Roman Podobedov
| Email: romka@ut.ee
| WEB: http://romka.demonews.com
=========================================================================
*/
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <GL/glut.h>
#include "glf.h"
int WindW, WindH;
int i;
void Draw(void)
{
glClear(GL_COLOR_BUFFER_BIT);
glColor3f(1, 1, 1);
glfStringCentering(GL_FALSE);
glfSetRotateAngle(0.0f);
// Info message
glfStringDirection(GLF_LEFT);
glPushMatrix();
glTranslatef(-1.2, 0.9, 0);
glScalef(0.05, 0.05, 1);
glfDrawSolidString("GLF Library - Text rotation and direction example");
glPopMatrix();
// Write down
glfStringDirection(GLF_DOWN);
glPushMatrix();
glTranslatef(-1.2, 0.5, 0);
glScalef(0.05, 0.05, 1);
glfDrawSolidString("Direction - DOWN");
glPopMatrix();
// Write up
glfStringDirection(GLF_UP);
glPushMatrix();
glTranslatef(1.2, -0.5, 0);
glScalef(0.05, 0.05, 1);
glfDrawSolidString("Direction - UP");
glPopMatrix();
// Write left
glfStringDirection(GLF_LEFT);
glPushMatrix();
glTranslatef(0, 0.5, 0);
glScalef(0.05, 0.05, 1);
glfDrawSolidString("Direction - LEFT");
glPopMatrix();
// Write right
glfStringDirection(GLF_RIGHT);
glPushMatrix();
glTranslatef(0, -0.5, 0);
glScalef(0.05, 0.05, 1);
glfDrawSolidString("Direction - RIGHT");
glPopMatrix();
// Rotated text
glfStringCentering(GL_TRUE);
glfStringDirection(GLF_LEFT);
glfSetRotateAngle(45);
glPushMatrix();
glTranslatef(-0.5, 0, 0);
glScalef(0.05, 0.05, 1);
glfDrawSolidString("Rotated text");
glPopMatrix();
glfSetRotateAngle(-45);
glfStringDirection(GLF_DOWN);
glPushMatrix();
glTranslatef(0, 0, 0);
glScalef(0.05, 0.05, 1);
glfDrawSolidString("Rotated text");
glPopMatrix();
glfSetRotateAngle(-45);
glfStringDirection(GLF_UP);
glPushMatrix();
glTranslatef(0, -0.5, 0);
glScalef(0.05, 0.05, 1);
glfDrawSolidString("Rotated text");
glPopMatrix();
for (i=0; i<12; i++)
{
glfSetRotateAngle(i*30);
glfStringDirection(GLF_UP);
glPushMatrix();
glTranslatef(0.6, -0.5, 0);
glScalef(0.03, 0.03, 1);
glfDrawSolidString(" ABC");
glPopMatrix();
}
for (i=0; i<12; i++)
{
glfSetRotateAngle(i*30);
glfStringDirection(GLF_RIGHT);
glPushMatrix();
glTranslatef(-0.6, 0.5, 0);
glScalef(0.03, 0.03, 1);
glfDrawSolidString(" FLG");
glPopMatrix();
}
glFlush();
glutSwapBuffers();
}
void Reshape(int width, int height)
{
glViewport(0, 0, width, height);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluOrtho2D(-1.33, 1.33, -1, 1);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
WindW = width;
WindH = height;
}
static void Key(unsigned char key, int x, int y)
{
switch (key)
{
case 27: exit(0);
break;
}
}
void timf(int value)
{
glutPostRedisplay();
glutTimerFunc(1, timf, 0);
}
void main(int argc, char *argv[])
{
WindW = 1024;
WindH = 768;
glfInit();
glfLoadFont("fonts/times_new1.glf");
glutInit(&argc, argv);
glutInitWindowSize(WindW, WindH);
glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE);
(void)glutCreateWindow("GLF Demo - Solid Text");
glutReshapeFunc(Reshape);
glutDisplayFunc(Draw);
glutKeyboardFunc(Key);
glutTimerFunc(40, timf, 0);
glClearColor(0, 0, 0, 0);
glutMainLoop();
}
|
