/* * 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; }