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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 "gltk.h"
-
-
- #define OPENGL_WIDTH 24
- #define OPENGL_HEIGHT 13
-
-
- char string[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz";
- GLenum rgb, doubleBuffer, directRender, windType;
- GLuint strokeBase, outlineBase, filledBase, bitmapBase;
- 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;
-
-
- static void Init(void)
- {
-
- strokeBase = glGenLists(256);
- if (tkCreateStrokeFont(strokeBase) == GL_FALSE) {
- tkQuit();
- }
- outlineBase = glGenLists(256);
- if (tkCreateOutlineFont(outlineBase) == GL_FALSE) {
- tkQuit();
- }
- filledBase = glGenLists(256);
- if (tkCreateFilledFont(filledBase) == GL_FALSE) {
- tkQuit();
- }
- bitmapBase = glGenLists(256);
- if (tkCreateBitmapFont(bitmapBase) == GL_FALSE) {
- tkQuit();
- }
-
- 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 GLenum Key(int key, GLenum mask)
- {
-
- switch (key) {
- case TK_ESCAPE:
- tkQuit();
-
- case TK_LEFT:
- shiftX -= 20.0;
- break;
- case TK_RIGHT:
- shiftX += 20.0;
- break;
- case TK_UP:
- shiftY += 20.0;
- break;
- case TK_DOWN:
- shiftY -= 20.0;
- break;
- case TK_n:
- shiftZ += 20.0;
- break;
- case TK_m:
- shiftZ -= 20.0;
- break;
-
- case TK_q:
- scaleX -= 0.1;
- if (scaleX < 0.1) {
- scaleX = 0.1;
- }
- break;
- case TK_w:
- scaleX += 0.1;
- break;
- case TK_a:
- scaleY -= 0.1;
- if (scaleY < 0.1) {
- scaleY = 0.1;
- }
- break;
- case TK_s:
- scaleY += 0.1;
- break;
- case TK_z:
- scaleZ -= 0.1;
- if (scaleZ < 0.1) {
- scaleZ = 0.1;
- }
- break;
- case TK_x:
- scaleZ += 0.1;
- break;
-
- case TK_e:
- angleX -= 5.0;
- if (angleX < 0.0) {
- angleX = 360.0 + angleX;
- }
- break;
- case TK_r:
- angleX += 5.0;
- if (angleX > 360.0) {
- angleX = angleX - 360.0;
- }
- break;
- case TK_d:
- angleY -= 5.0;
- if (angleY < 0.0) {
- angleY = 360.0 + angleY;
- }
- break;
- case TK_f:
- angleY += 5.0;
- if (angleY > 360.0) {
- angleY = angleY - 360.0;
- }
- break;
- case TK_c:
- angleZ -= 5.0;
- if (angleZ < 0.0) {
- angleZ = 360.0 + angleZ;
- }
- break;
- case TK_v:
- angleZ += 5.0;
- if (angleZ > 360.0) {
- angleZ = angleZ - 360.0;
- }
- break;
-
- default:
- return GL_FALSE;
- }
- return GL_TRUE;
- }
-
- static void Draw(void)
- {
-
- glClear(GL_COLOR_BUFFER_BIT);
-
- TK_SETCOLOR(windType, TK_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);
- tkDrawStr(bitmapBase, string);
- glPopMatrix();
-
- glPushMatrix();
- glTranslatef(-390.5, -30.5, 0.0);
- tkDrawStr(strokeBase, string);
- glPopMatrix();
-
- glPushMatrix();
- glTranslatef(-390.5, -60.5, 0.0);
- tkDrawStr(outlineBase, string);
- glPopMatrix();
-
- glPushMatrix();
- glTranslatef(-390.5, -90.5, 0.0);
- tkDrawStr(filledBase, string);
- glPopMatrix();
-
- glPopMatrix();
-
- glFlush();
-
- if (doubleBuffer) {
- tkSwapBuffers();
- }
- }
-
- static GLenum Args(int argc, char **argv)
- {
- GLint i;
-
- rgb = GL_TRUE;
- doubleBuffer = GL_FALSE;
- directRender = GL_TRUE;
-
- 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 if (strcmp(argv[i], "-dr") == 0) {
- directRender = GL_TRUE;
- } else if (strcmp(argv[i], "-ir") == 0) {
- directRender = GL_FALSE;
- } else {
- printf("%s (Bad option).\n", argv[i]);
- return GL_FALSE;
- }
- }
- return GL_TRUE;
- }
-
- void main(int argc, char **argv)
- {
-
- if (Args(argc, argv) == GL_FALSE) {
- tkQuit();
- }
-
- tkInitPosition(0, 0, 800, 400);
-
- windType = (rgb) ? TK_RGB : TK_INDEX;
- windType |= (doubleBuffer) ? TK_DOUBLE : TK_SINGLE;
- windType |= (directRender) ? TK_DIRECT : TK_INDIRECT;
- tkInitDisplayMode(windType);
-
- if (tkInitWindow("Font Test") == GL_FALSE) {
- tkQuit();
- }
-
- Init();
-
- tkExposeFunc(Reshape);
- tkReshapeFunc(Reshape);
- tkKeyDownFunc(Key);
- tkDisplayFunc(Draw);
- tkExec();
- }
-