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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;
- }
-
- void 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();
- }
-