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/*
* Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc.
*
* Permission to use, copy, modify, distribute, and sell this software and
* its documentation for any purpose is hereby granted without fee, provided
* that (i) the above copyright notices and this permission notice appear in
* all copies of the software and related documentation, and (ii) the name of
* Silicon Graphics may not be used in any advertising or
* publicity relating to the software without the specific, prior written
* permission of Silicon Graphics.
*
* THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF
* ANY KIND,
* EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
* WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
*
* IN NO EVENT SHALL SILICON GRAPHICS BE LIABLE FOR
* ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
* OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
* WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
* LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
* OF THIS SOFTWARE.
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <GL/glut.h>
#define OPENGL_WIDTH 24
#define OPENGL_HEIGHT 13
char string[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz";
GLenum rgb, doubleBuffer, windType;
float angleX = 0.0, angleY = 0.0, angleZ = 0.0;
float scaleX = 1.0, scaleY = 1.0, scaleZ = 1.0;
float shiftX = 0.0, shiftY = 0.0, shiftZ = 0.0;
#include "tkmap.c"
static void DrawBitmapString(void *font, const char *string)
{
int i;
for (i = 0; string[i]; i++)
glutBitmapCharacter(font, string[i]);
}
static void DrawStrokeString(void *font, const char *string)
{
int i;
for (i = 0; string[i]; i++)
glutStrokeCharacter(font, string[i]);
}
static void Init(void)
{
glClearColor(0.0, 0.0, 0.0, 0.0);
glClearIndex(0.0);
}
static void Reshape(int width, int height)
{
glViewport(0, 0, (GLint)width, (GLint)height);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho(-400.0, 400.0, -200.0, 200.0, -400.0, 400.0);
glMatrixMode(GL_MODELVIEW);
}
static void Key2(int key, int x, int y)
{
switch (key) {
case GLUT_KEY_LEFT:
shiftX -= 20.0;
break;
case GLUT_KEY_RIGHT:
shiftX += 20.0;
break;
case GLUT_KEY_UP:
shiftY += 20.0;
break;
case GLUT_KEY_DOWN:
shiftY -= 20.0;
break;
default:
return;
}
glutPostRedisplay();
}
static void Key(unsigned char key, int x, int y)
{
switch (key) {
case 27:
exit(1);
case 'n':
shiftZ += 20.0;
break;
case 'm':
shiftZ -= 20.0;
break;
case 'q':
scaleX -= 0.1;
if (scaleX < 0.1) {
scaleX = 0.1;
}
break;
case 'w':
scaleX += 0.1;
break;
case 'a':
scaleY -= 0.1;
if (scaleY < 0.1) {
scaleY = 0.1;
}
break;
case 's':
scaleY += 0.1;
break;
case 'z':
scaleZ -= 0.1;
if (scaleZ < 0.1) {
scaleZ = 0.1;
}
break;
case 'x':
scaleZ += 0.1;
break;
case 'e':
angleX -= 5.0;
if (angleX < 0.0) {
angleX = 360.0 + angleX;
}
break;
case 'r':
angleX += 5.0;
if (angleX > 360.0) {
angleX = angleX - 360.0;
}
break;
case 'd':
angleY -= 5.0;
if (angleY < 0.0) {
angleY = 360.0 + angleY;
}
break;
case 'f':
angleY += 5.0;
if (angleY > 360.0) {
angleY = angleY - 360.0;
}
break;
case 'c':
angleZ -= 5.0;
if (angleZ < 0.0) {
angleZ = 360.0 + angleZ;
}
break;
case 'v':
angleZ += 5.0;
if (angleZ > 360.0) {
angleZ = angleZ - 360.0;
}
break;
default:
return;
}
glutPostRedisplay();
}
static void Draw(void)
{
glClear(GL_COLOR_BUFFER_BIT);
SetColor(COLOR_WHITE);
glPushMatrix();
glTranslatef(shiftX, shiftY, shiftZ);
glRotatef(angleX, 1.0, 0.0, 0.0);
glRotatef(angleY, 0.0, 1.0, 0.0);
glRotatef(angleZ, 0.0, 0.0, 1.0);
glScalef(scaleX, scaleY, scaleZ);
glPushMatrix();
glRasterPos2f(-390.5, 0.5);
DrawBitmapString(GLUT_BITMAP_9_BY_15, string);
glPopMatrix();
glPushMatrix();
glTranslatef(-390.5, -30.5, 0.0);
DrawStrokeString(GLUT_STROKE_ROMAN, string);
glPopMatrix();
glPopMatrix();
glFlush();
if (doubleBuffer) {
glutSwapBuffers();
}
}
static GLenum Args(int argc, char **argv)
{
GLint i;
rgb = GL_TRUE;
doubleBuffer = GL_FALSE;
for (i = 1; i < argc; i++) {
if (strcmp(argv[i], "-ci") == 0) {
rgb = GL_FALSE;
} else if (strcmp(argv[i], "-rgb") == 0) {
rgb = GL_TRUE;
} else if (strcmp(argv[i], "-sb") == 0) {
doubleBuffer = GL_FALSE;
} else if (strcmp(argv[i], "-db") == 0) {
doubleBuffer = GL_TRUE;
} else {
printf("%s (Bad option).\n", argv[i]);
return GL_FALSE;
}
}
return GL_TRUE;
}
int main(int argc, char **argv)
{
glutInit(&argc, argv);
if (Args(argc, argv) == GL_FALSE) {
exit(1);
}
glutInitWindowPosition(0, 0); glutInitWindowSize( 800, 400);
windType = (rgb) ? GLUT_RGB : GLUT_INDEX;
windType |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
glutInitDisplayMode(windType);
if (glutCreateWindow("Font Test") == GL_FALSE) {
exit(1);
}
InitMap();
Init();
glutReshapeFunc(Reshape);
glutKeyboardFunc(Key);
glutSpecialFunc(Key2);
glutDisplayFunc(Draw);
glutMainLoop();
return 0;
}
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