Mercurial > hgrepos > Python2 > PyMuPDF

comparison mupdf-source/thirdparty/freeglut/progs/test-shapes-gles1/test-shapes-gles1.c @ 2:b50eed0cc0ef upstream

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4. The directory name has changed: no version number in the expanded directory now.
author Franz Glasner <fzglas.hg@dom66.de>
date Mon, 15 Sep 2025 11:43:07 +0200
parents
children
comparison
equal deleted inserted replaced
1:1d09e1dec1d9 2:b50eed0cc0ef
1 /*! \file shapes.c
2 \ingroup demos
3
4 This program is a test harness for the various shapes
5 in OpenGLUT. It may also be useful to see which
6 parameters control what behavior in the OpenGLUT
7 objects.
8
9 Spinning wireframe and solid-shaded shapes are
10 displayed. Some parameters can be adjusted.
11
12 Keys:
13 - <tt>Esc &nbsp;</tt> Quit
14 - <tt>q Q &nbsp;</tt> Quit
15 - <tt>i I &nbsp;</tt> Show info
16 - <tt>p P &nbsp;</tt> Toggle perspective or orthographic projection
17 - <tt>= + &nbsp;</tt> Increase \a slices
18 - <tt>- _ &nbsp;</tt> Decreate \a slices
19 - <tt>, < &nbsp;</tt> Decreate \a stacks
20 - <tt>. > &nbsp;</tt> Increase \a stacks
21 - <tt>9 ( &nbsp;</tt> Decreate \a depth (Sierpinski Sponge)
22 - <tt>0 ) &nbsp;</tt> Increase \a depth (Sierpinski Sponge)
23 - <tt>up&nbsp; &nbsp;</tt> Increase "outer radius"
24 - <tt>down&nbsp;</tt> Decrease "outer radius"
25 - <tt>left&nbsp;</tt> Decrease "inner radius"
26 - <tt>right</tt> Increase "inner radius"
27 - <tt>PgUp&nbsp;</tt> Next shape-drawing function
28 - <tt>PgDn&nbsp;</tt> Prev shape-drawing function
29
30 \author Written by Nigel Stewart November 2003
31
32 \author Portions Copyright (C) 2004, the OpenGLUT project contributors. <br>
33 OpenGLUT branched from freeglut in February, 2004.
34
35 \image html openglut_shapes.png OpenGLUT Geometric Shapes Demonstration
36 \include demos/shapes/shapes.c
37 */
38
39 #include <GL/freeglut.h>
40 #include <GL/freeglut_ext.h>
41
42 #include <stdarg.h>
43 #include <stdio.h>
44 #include <stdlib.h>
45
46 #ifdef _MSC_VER
47 /* DUMP MEMORY LEAKS */
48 #include <crtdbg.h>
49 #endif
50
51 /*
52 * This macro is only intended to be used on arrays, of course.
53 */
54 #define NUMBEROF(x) ((sizeof(x))/(sizeof(x[0])))
55
56 #define glRotated glRotatef
57 #define glTranslated glTranslatef
58
59 /*
60 * These global variables control which object is drawn,
61 * and how it is drawn. No object uses all of these
62 * variables.
63 */
64 static int function_index;
65 static int slices = 16;
66 static int stacks = 16;
67 static double irad = .25;
68 static double orad = 1.0; /* doubles as size for objects other than Torus */
69 static int depth = 4;
70 static double offset[ 3 ] = { 0, 0, 0 };
71 static GLboolean show_info = GL_TRUE;
72 static float ar;
73 static GLboolean persProject = GL_TRUE;
74 static GLboolean animateXRot = GL_FALSE;
75
76 /*
77 * These one-liners draw particular objects, fetching appropriate
78 * information from the above globals. They are just thin wrappers
79 * for the FreeGLUT objects.
80 */
81 static void drawSolidTetrahedron(void) { glutSolidTetrahedron (); }
82 static void drawWireTetrahedron(void) { glutWireTetrahedron (); }
83 static void drawSolidCube(void) { glutSolidCube(orad); } /* orad doubles as size input */
84 static void drawWireCube(void) { glutWireCube(orad); } /* orad doubles as size input */
85 static void drawSolidOctahedron(void) { glutSolidOctahedron (); }
86 static void drawWireOctahedron(void) { glutWireOctahedron (); }
87 static void drawSolidDodecahedron(void) { glutSolidDodecahedron (); }
88 static void drawWireDodecahedron(void) { glutWireDodecahedron (); }
89 static void drawSolidRhombicDodecahedron(void) { glutSolidRhombicDodecahedron (); }
90 static void drawWireRhombicDodecahedron(void) { glutWireRhombicDodecahedron (); }
91 static void drawSolidIcosahedron(void) { glutSolidIcosahedron (); }
92 static void drawWireIcosahedron(void) { glutWireIcosahedron (); }
93 static void drawSolidSierpinskiSponge(void) { glutSolidSierpinskiSponge (depth, offset, orad);} /* orad doubles as size input */
94 static void drawWireSierpinskiSponge(void) { glutWireSierpinskiSponge (depth, offset, orad); } /* orad doubles as size input */
95 static void drawSolidTorus(void) { glutSolidTorus(irad,orad,slices,stacks); }
96 static void drawWireTorus(void) { glutWireTorus (irad,orad,slices,stacks); }
97 static void drawSolidSphere(void) { glutSolidSphere(orad,slices,stacks); } /* orad doubles as size input */
98 static void drawWireSphere(void) { glutWireSphere(orad,slices,stacks); } /* orad doubles as size input */
99 static void drawSolidCone(void) { glutSolidCone(orad,orad,slices,stacks); } /* orad doubles as size input */
100 static void drawWireCone(void) { glutWireCone(orad,orad,slices,stacks); } /* orad doubles as size input */
101 static void drawSolidCylinder(void) { glutSolidCylinder(orad,orad,slices,stacks); } /* orad doubles as size input */
102 static void drawWireCylinder(void) { glutWireCylinder(orad,orad,slices,stacks); } /* orad doubles as size input */
103 static void drawSolidTeapot(void)
104 { glFrontFace(GL_CW); glutSolidTeapot(orad); glFrontFace(GL_CCW); /* orad doubles as size input */}
105 static void drawWireTeapot(void)
106 { glFrontFace(GL_CW); glutWireTeapot(orad); glFrontFace(GL_CCW); /* orad doubles as size input */}
107
108 /*
109 * This structure defines an entry in our function-table.
110 */
111 typedef struct
112 {
113 const char * const name;
114 void (*solid) (void);
115 void (*wire) (void);
116 } entry;
117
118 #define ENTRY(e) {#e, drawSolid##e, drawWire##e}
119 static const entry table [] =
120 {
121 ENTRY (Tetrahedron),
122 ENTRY (Cube),
123 ENTRY (Octahedron),
124 ENTRY (Dodecahedron),
125 ENTRY (RhombicDodecahedron),
126 ENTRY (Icosahedron),
127 ENTRY (SierpinskiSponge),
128 ENTRY (Teapot),
129 ENTRY (Torus),
130 ENTRY (Sphere),
131 ENTRY (Cone),
132 ENTRY (Cylinder),
133 /* ENTRY (Cuboctahedron) */
134 };
135 #undef ENTRY
136
137 /*!
138 Does printf()-like work using freeglut
139 glutBitmapString(). Uses a fixed font. Prints
140 at the indicated row/column position.
141
142 Limitation: Cannot address pixels.
143 Limitation: Renders in screen coords, not model coords.
144 */
145 static void shapesPrintf (int row, int col, const char *fmt, ...)
146 {
147 }
148
149 /* GLUT callback Handlers */
150
151 static void
152 resize(int width, int height)
153 {
154 ar = (float) width / (float) height;
155
156 glViewport(0, 0, width, height);
157 }
158
159 static void display(void)
160 {
161 const double t = glutGet(GLUT_ELAPSED_TIME) / 1000.0;
162 const double a = t*90.0;
163 const double b = (animateXRot?t:1)*60.0;
164
165 glMatrixMode(GL_PROJECTION);
166 glLoadIdentity();
167 glFrustumf(-ar, ar, -1.0, 1.0, 2.0, 100.0);
168 glMatrixMode(GL_MODELVIEW);
169 glLoadIdentity();
170
171 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
172
173 glEnable(GL_LIGHTING);
174
175 glColor4f(1,0,0,1);
176
177 glPushMatrix();
178 glTranslated(0,1.2,-6);
179 glRotated(b,1,0,0);
180 glRotated(a,0,0,1);
181 table [function_index].solid ();
182 glPopMatrix();
183
184 glPushMatrix();
185 glTranslated(0,-1.2,-6);
186 glRotated(b,1,0,0);
187 glRotated(a,0,0,1);
188 table [function_index].wire ();
189 glPopMatrix();
190
191 glDisable(GL_LIGHTING);
192 glColor4f(0.1,0.1,0.4,1.0);
193
194 glutSwapBuffers();
195 }
196
197
198 static void
199 key(unsigned char key, int x, int y)
200 {
201 switch (key)
202 {
203 case 27 :
204 case 'Q':
205 case 'q': glutLeaveMainLoop () ; break;
206
207 case 'I':
208 case 'i': show_info = ( show_info == GL_TRUE ) ? GL_FALSE : GL_TRUE; break;
209
210 case '=':
211 case '+': slices++; printf("%d,%d\n", slices, stacks); break;
212
213 case '-':
214 case '_': if( slices > -1 ) slices--; break;
215
216 case ',':
217 case '<': if( stacks > -1 ) stacks--; break;
218
219 case '.':
220 case '>': stacks++; break;
221
222 case '9':
223 case '(': if( depth > -1 ) depth--; break;
224
225 case '0':
226 case ')': ++depth; break;
227
228 case 'P':
229 case 'p': persProject=!persProject; break;
230
231 case 'R':
232 case 'r': animateXRot=!animateXRot; break;
233
234 default:
235 break;
236 }
237
238 glutPostRedisplay();
239 }
240
241 static void special (int key, int x, int y)
242 {
243 switch (key)
244 {
245 case GLUT_KEY_PAGE_UP: ++function_index; break;
246 case GLUT_KEY_PAGE_DOWN: --function_index; break;
247 case GLUT_KEY_UP: orad *= 2; break;
248 case GLUT_KEY_DOWN: orad /= 2; break;
249
250 case GLUT_KEY_RIGHT: irad *= 2; break;
251 case GLUT_KEY_LEFT: irad /= 2; break;
252
253 default:
254 break;
255 }
256
257 if (0 > function_index)
258 function_index = NUMBEROF (table) - 1;
259
260 if (NUMBEROF (table) <= ( unsigned )function_index)
261 function_index = 0;
262 }
263
264
265 static void
266 idle(void)
267 {
268 glutPostRedisplay();
269 }
270
271 static void
272 onMouseClick(int button, int state, int x, int y) {
273 if (state == GLUT_DOWN)
274 special(GLUT_KEY_PAGE_UP, 0, 0);
275 }
276
277 const GLfloat light_ambient[] = { 0.0f, 0.0f, 0.0f, 1.0f };
278 const GLfloat light_diffuse[] = { 1.0f, 1.0f, 1.0f, 1.0f };
279 const GLfloat light_specular[] = { 1.0f, 1.0f, 1.0f, 1.0f };
280 const GLfloat light_position[] = { 2.0f, 5.0f, 5.0f, 0.0f };
281
282 const GLfloat mat_ambient[] = { 0.7f, 0.7f, 0.7f, 1.0f };
283 const GLfloat mat_diffuse[] = { 0.8f, 0.8f, 0.8f, 1.0f };
284 const GLfloat mat_specular[] = { 1.0f, 1.0f, 1.0f, 1.0f };
285 const GLfloat high_shininess[] = { 100.0f };
286
287 /* Program entry point */
288
289 void init_context() {
290 printf("init_context\n"); fflush(stdout);
291 glClearColor(1,1,1,1);
292 glEnable(GL_CULL_FACE);
293 glCullFace(GL_BACK);
294
295 glEnable(GL_DEPTH_TEST);
296 glDepthFunc(GL_LESS);
297
298 glEnable(GL_LIGHT0);
299 glEnable(GL_NORMALIZE);
300 glEnable(GL_COLOR_MATERIAL);
301
302 glLightfv(GL_LIGHT0, GL_AMBIENT, light_ambient);
303 glLightfv(GL_LIGHT0, GL_DIFFUSE, light_diffuse);
304 glLightfv(GL_LIGHT0, GL_SPECULAR, light_specular);
305 glLightfv(GL_LIGHT0, GL_POSITION, light_position);
306
307 glMaterialfv(GL_FRONT, GL_AMBIENT, mat_ambient);
308 glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_diffuse);
309 glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular);
310 glMaterialfv(GL_FRONT, GL_SHININESS, high_shininess);
311 }
312
313 int
314 main(int argc, char *argv[])
315 {
316 glutInitWindowSize(640,480);
317 glutInitWindowPosition(40,40);
318 glutInit(&argc, argv);
319 glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH | GLUT_MULTISAMPLE);
320
321 glutCreateWindow("FreeGLUT Shapes");
322
323 glutReshapeFunc(resize);
324 glutDisplayFunc(display);
325 glutKeyboardFunc(key);
326 glutSpecialFunc(special);
327 glutIdleFunc(idle);
328 glutMouseFunc(onMouseClick);
329 glutInitContextFunc(init_context);
330
331 glutSetOption ( GLUT_ACTION_ON_WINDOW_CLOSE, GLUT_ACTION_CONTINUE_EXECUTION ) ;
332
333 glutMainLoop();
334
335 #ifdef _MSC_VER
336 /* DUMP MEMORY LEAK INFORMATION */
337 _CrtDumpMemoryLeaks () ;
338 #endif
339
340 return EXIT_SUCCESS;
341 }