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285 lines
6.5 KiB
285 lines
6.5 KiB
/*
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* (c) Copyright 1993, Silicon Graphics, Inc.
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* ALL RIGHTS RESERVED
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* Permission to use, copy, modify, and distribute this software for
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* any purpose and without fee is hereby granted, provided that the above
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* copyright notice appear in all copies and that both the copyright notice
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* and this permission notice appear in supporting documentation, and that
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* the name of Silicon Graphics, Inc. not be used in advertising
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* or publicity pertaining to distribution of the software without specific,
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* written prior permission.
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*
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* THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
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* AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
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* INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
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* FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
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* GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
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* SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
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* KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
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* LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
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* THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
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* ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
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* POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* US Government Users Restricted Rights
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* Use, duplication, or disclosure by the Government is subject to
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* restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
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* (c)(1)(ii) of the Rights in Technical Data and Computer Software
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* clause at DFARS 252.227-7013 and/or in similar or successor
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* clauses in the FAR or the DOD or NASA FAR Supplement.
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* Unpublished-- rights reserved under the copyright laws of the
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* United States. Contractor/manufacturer is Silicon Graphics,
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* Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
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*
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* OpenGL(TM) is a trademark of Silicon Graphics, Inc.
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*/
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include "tk.h"
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#define OPENGL_WIDTH 24
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#define OPENGL_HEIGHT 13
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char string[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz";
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GLenum rgb, doubleBuffer, directRender, windType;
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GLuint strokeBase, outlineBase, filledBase, bitmapBase;
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float angleX = 0.0, angleY = 0.0, angleZ = 0.0;
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float scaleX = 1.0, scaleY = 1.0, scaleZ = 1.0;
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float shiftX = 0.0, shiftY = 0.0, shiftZ = 0.0;
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static void Init(void)
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{
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strokeBase = glGenLists(256);
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if (tkCreateStrokeFont(strokeBase) == GL_FALSE) {
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tkQuit();
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}
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outlineBase = glGenLists(256);
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if (tkCreateOutlineFont(outlineBase) == GL_FALSE) {
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tkQuit();
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}
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filledBase = glGenLists(256);
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if (tkCreateFilledFont(filledBase) == GL_FALSE) {
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tkQuit();
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}
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bitmapBase = glGenLists(256);
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if (tkCreateBitmapFont(bitmapBase) == GL_FALSE) {
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tkQuit();
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}
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glClearColor(0.0, 0.0, 0.0, 0.0);
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glClearIndex(0.0);
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}
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static void Reshape(int width, int height)
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{
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glViewport(0, 0, (GLint)width, (GLint)height);
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glMatrixMode(GL_PROJECTION);
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glLoadIdentity();
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glOrtho(-400.0, 400.0, -200.0, 200.0, -400.0, 400.0);
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glMatrixMode(GL_MODELVIEW);
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}
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static GLenum Key(int key, GLenum mask)
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{
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switch (key) {
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case TK_ESCAPE:
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tkQuit();
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case TK_LEFT:
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shiftX -= 20.0;
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break;
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case TK_RIGHT:
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shiftX += 20.0;
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break;
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case TK_UP:
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shiftY += 20.0;
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break;
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case TK_DOWN:
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shiftY -= 20.0;
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break;
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case TK_n:
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shiftZ += 20.0;
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break;
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case TK_m:
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shiftZ -= 20.0;
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break;
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case TK_q:
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scaleX -= 0.1;
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if (scaleX < 0.1) {
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scaleX = 0.1;
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}
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break;
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case TK_w:
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scaleX += 0.1;
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break;
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case TK_a:
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scaleY -= 0.1;
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if (scaleY < 0.1) {
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scaleY = 0.1;
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}
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break;
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case TK_s:
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scaleY += 0.1;
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break;
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case TK_z:
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scaleZ -= 0.1;
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if (scaleZ < 0.1) {
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scaleZ = 0.1;
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}
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break;
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case TK_x:
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scaleZ += 0.1;
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break;
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case TK_e:
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angleX -= 5.0;
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if (angleX < 0.0) {
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angleX = 360.0 + angleX;
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}
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break;
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case TK_r:
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angleX += 5.0;
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if (angleX > 360.0) {
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angleX = angleX - 360.0;
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}
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break;
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case TK_d:
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angleY -= 5.0;
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if (angleY < 0.0) {
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angleY = 360.0 + angleY;
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}
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break;
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case TK_f:
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angleY += 5.0;
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if (angleY > 360.0) {
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angleY = angleY - 360.0;
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}
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break;
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case TK_c:
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angleZ -= 5.0;
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if (angleZ < 0.0) {
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angleZ = 360.0 + angleZ;
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}
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break;
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case TK_v:
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angleZ += 5.0;
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if (angleZ > 360.0) {
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angleZ = angleZ - 360.0;
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}
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break;
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default:
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return GL_FALSE;
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}
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return GL_TRUE;
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}
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static void Draw(void)
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{
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glClear(GL_COLOR_BUFFER_BIT);
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TK_SETCOLOR(windType, TK_WHITE);
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glPushMatrix();
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glTranslatef(shiftX, shiftY, shiftZ);
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glRotatef(angleX, 1.0, 0.0, 0.0);
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glRotatef(angleY, 0.0, 1.0, 0.0);
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glRotatef(angleZ, 0.0, 0.0, 1.0);
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glScalef(scaleX, scaleY, scaleZ);
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glPushMatrix();
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glRasterPos2f(-390.5, 0.5);
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tkDrawStr(bitmapBase, string);
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glPopMatrix();
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glPushMatrix();
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glTranslatef(-390.5, -30.5, 0.0);
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tkDrawStr(strokeBase, string);
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glPopMatrix();
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glPushMatrix();
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glTranslatef(-390.5, -60.5, 0.0);
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tkDrawStr(outlineBase, string);
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glPopMatrix();
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glPushMatrix();
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glTranslatef(-390.5, -90.5, 0.0);
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tkDrawStr(filledBase, string);
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glPopMatrix();
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glPopMatrix();
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glFlush();
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if (doubleBuffer) {
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tkSwapBuffers();
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}
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}
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static GLenum Args(int argc, char **argv)
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{
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GLint i;
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rgb = GL_TRUE;
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doubleBuffer = GL_FALSE;
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directRender = GL_FALSE;
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for (i = 1; i < argc; i++) {
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if (strcmp(argv[i], "-ci") == 0) {
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rgb = GL_FALSE;
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} else if (strcmp(argv[i], "-rgb") == 0) {
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rgb = GL_TRUE;
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} else if (strcmp(argv[i], "-sb") == 0) {
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doubleBuffer = GL_FALSE;
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} else if (strcmp(argv[i], "-db") == 0) {
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doubleBuffer = GL_TRUE;
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} else if (strcmp(argv[i], "-dr") == 0) {
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directRender = GL_TRUE;
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} else if (strcmp(argv[i], "-ir") == 0) {
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directRender = GL_FALSE;
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} else {
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printf("%s (Bad option).\n", argv[i]);
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return GL_FALSE;
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}
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}
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return GL_TRUE;
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}
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void main(int argc, char **argv)
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{
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if (Args(argc, argv) == GL_FALSE) {
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tkQuit();
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}
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tkInitPosition(0, 0, 800, 400);
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windType = (rgb) ? TK_RGB : TK_INDEX;
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windType |= (doubleBuffer) ? TK_DOUBLE : TK_SINGLE;
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windType |= (directRender) ? TK_DIRECT : TK_INDIRECT;
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tkInitDisplayMode(windType);
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if (tkInitWindow("Font Test") == GL_FALSE) {
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tkQuit();
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}
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Init();
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tkExposeFunc(Reshape);
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tkReshapeFunc(Reshape);
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tkKeyDownFunc(Key);
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tkDisplayFunc(Draw);
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tkExec();
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}
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