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/* QuesoGLC
* A free implementation of the OpenGL Character Renderer (GLC)
* Copyright (c) 2002, 2004-2008, Bertrand Coconnier
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* $Id: test14.c 887 2009-03-24 01:03:11Z bcoconni $ */
/** \file
* Regression test for a bug which prevents letters l (LATIN SMALL LETTER L) and
* i (LATIN SMALL LETTER I) to be displayed at small scales when GLC_HINTING_QSO
* is enabled, GLC_GL_OBJECTS is disabled and the rendering style is
* GLC_TEXTURE. Only "Sans Serif" fonts exhibit this behaviour.
*/
#include "GL/glc.h"
#if defined __APPLE__ && defined __MACH__
#include <GLUT/glut.h>
#else
#include <GL/glut.h>
#endif
#include <stdlib.h>
#include <stdio.h>
void reshape(int width, int height)
{
glClearColor(0., 0., 0., 0.);
glViewport(0, 0, width, height);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluOrtho2D(0., width, 0., height);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glFlush();
}
void keyboard(unsigned char key, int x, int y)
{
switch(key) {
case 27: /* Escape Key */
exit(0);
default:
break;
}
}
void display(void)
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glColor3f(1.f, 0.f, 0.f);
glLoadIdentity();
glScalef(20.f, 20.f, 1.f);
glTranslatef(2.f, 2.f, 0.f);
glcDisable(GLC_HINTING_QSO);
glcRenderString("lili without hinting (rendered at integer coordinates)");
glLoadIdentity();
glScalef(20.f, 20.f, 1.f);
glTranslatef(2.025f, 3.f, 0.f);
glcDisable(GLC_HINTING_QSO);
glcRenderString("lili without hinting (rendered at non-integer coordinates)");
glLoadIdentity();
glScalef(20.f, 20.f, 1.f);
glTranslatef(2.f, 4.f, 0.f);
glcEnable(GLC_HINTING_QSO);
glcRenderString("lili with hinting (rendered at integer coordinates)");
glLoadIdentity();
glScalef(20.f, 20.f, 1.f);
glTranslatef(2.025f, 5.f, 0.f);
glcEnable(GLC_HINTING_QSO);
glcRenderString("lili with hinting (rendered at non-integer coordinates)");
glFlush();
}
int main(int argc, char **argv)
{
GLint ctx = 0;
GLint myFont = 0;
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB);
glutInitWindowSize(640, 180);
glutCreateWindow("Test14");
glutDisplayFunc(display);
glutReshapeFunc(reshape);
glutKeyboardFunc(keyboard);
glEnable(GL_TEXTURE_2D);
/* Set up and initialize GLC */
ctx = glcGenContext();
glcContext(ctx);
/* Create a font "Palatino Bold" */
myFont = glcGenFontID();
#ifdef __WIN32__
glcNewFontFromFamily(myFont, "Arial");
#else
glcNewFontFromFamily(myFont, "DejaVu Sans");
#endif
glcFont(myFont);
glcRenderStyle(GLC_TEXTURE);
glcDisable(GLC_GL_OBJECTS);
glutMainLoop();
return 0;
}
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