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1 | // File: OpenGl_View_2.cxx |
2 | // Created: 20 September 2011 | |
3 | // Author: Sergey ZERCHANINOV | |
4 | // Copyright: OPEN CASCADE 2011 | |
5 | ||
2166f0fa SK |
6 | #include <stdio.h> |
7 | #include <stdlib.h> | |
8 | ||
5f8b738e | 9 | #include <OpenGl_GlCore11.hxx> |
2166f0fa SK |
10 | #include <OpenGl_tgl_funcs.hxx> |
11 | #include <OpenGl_TextureBox.hxx> | |
12 | ||
13 | #include <AlienImage.hxx> | |
14 | #include <Image_Image.hxx> | |
15 | #include <Visual3d_Layer.hxx> | |
16 | ||
2166f0fa SK |
17 | #include <OpenGl_AspectLine.hxx> |
18 | #include <OpenGl_Display.hxx> | |
19 | #include <OpenGl_Workspace.hxx> | |
20 | #include <OpenGl_View.hxx> | |
21 | #include <OpenGl_Trihedron.hxx> | |
22 | #include <OpenGl_GraduatedTrihedron.hxx> | |
23 | #include <OpenGl_PrinterContext.hxx> | |
59f45b7c | 24 | #include <OpenGl_Structure.hxx> |
2166f0fa | 25 | |
5f8b738e | 26 | #include <GL/glu.h> // gluBuild2DMipmaps() |
2166f0fa SK |
27 | |
28 | #define EPSI 0.0001 | |
29 | ||
2166f0fa SK |
30 | static const GLfloat default_amb[4] = { 0.F, 0.F, 0.F, 1.F }; |
31 | static const GLfloat default_sptdir[3] = { 0.F, 0.F, -1.F }; | |
32 | static const GLfloat default_sptexpo = 0.F; | |
33 | static const GLfloat default_sptcutoff = 180.F; | |
34 | ||
35 | extern void InitLayerProp (const int AListId); //szvgl: defined in OpenGl_GraphicDriver_Layer.cxx | |
36 | ||
37 | /*----------------------------------------------------------------------*/ | |
38 | ||
39 | struct OPENGL_CLIP_PLANE | |
40 | { | |
41 | GLboolean isEnabled; | |
42 | GLdouble Equation[4]; | |
1c35b92f | 43 | DEFINE_STANDARD_ALLOC |
2166f0fa SK |
44 | }; |
45 | ||
46 | /*----------------------------------------------------------------------*/ | |
47 | /* | |
48 | * Fonctions privees | |
49 | */ | |
50 | ||
51 | /*-----------------------------------------------------------------*/ | |
52 | /* | |
53 | * Set des lumieres | |
54 | */ | |
55 | static void bind_light(const OpenGl_Light *lptr, int *gl_lid) | |
56 | { | |
57 | // Only 8 lights in OpenGL... | |
58 | if (*gl_lid > GL_LIGHT7) return; | |
59 | ||
60 | // the light is a headlight ? | |
61 | GLint cur_matrix; | |
62 | if (lptr->HeadLight) | |
63 | { | |
64 | glGetIntegerv(GL_MATRIX_MODE, &cur_matrix); | |
65 | glMatrixMode(GL_MODELVIEW); | |
66 | glPushMatrix(); | |
67 | glLoadIdentity(); | |
68 | } | |
69 | ||
70 | GLfloat data_amb[4]; | |
71 | GLfloat data_diffu[4]; | |
72 | GLfloat data_pos[4]; | |
73 | GLfloat data_sptdir[3]; | |
74 | GLfloat data_sptexpo; | |
75 | GLfloat data_sptcutoff; | |
76 | GLfloat data_constantattenuation; | |
77 | GLfloat data_linearattenuation; | |
78 | ||
79 | /* set la light en fonction de son type */ | |
80 | switch (lptr->type) | |
81 | { | |
82 | case TLightAmbient: | |
83 | data_amb[0] = lptr->col.rgb[0]; | |
84 | data_amb[1] = lptr->col.rgb[1]; | |
85 | data_amb[2] = lptr->col.rgb[2]; | |
86 | data_amb[3] = 1.0; | |
87 | ||
88 | /*------------------------- Ambient ---------------------------*/ | |
89 | /* | |
90 | * The GL_AMBIENT parameter refers to RGBA intensity of the ambient | |
91 | * light. | |
92 | */ | |
93 | glLightModelfv(GL_LIGHT_MODEL_AMBIENT, data_amb); | |
94 | break; | |
95 | ||
96 | ||
97 | case TLightDirectional: | |
98 | data_diffu[0] = lptr->col.rgb[0]; | |
99 | data_diffu[1] = lptr->col.rgb[1]; | |
100 | data_diffu[2] = lptr->col.rgb[2]; | |
101 | data_diffu[3] = 1.0; | |
102 | ||
103 | /*------------------------- Direction ---------------------------*/ | |
104 | /* From Open GL Programming Rev 1 Guide Chapt 6 : | |
105 | Lighting The Mathematics of Lighting ( p 168 ) | |
106 | ||
107 | Directional Light Source ( Infinite ) : | |
108 | if the last parameter of GL_POSITION , w , is zero, the | |
109 | corresponding light source is a Directional one. | |
110 | ||
111 | GL_SPOT_CUTOFF a 180 signifie que ce n'est pas un spot. | |
112 | To create a realistic effect, set the GL_SPECULAR parameter | |
113 | to the same value as the GL_DIFFUSE. | |
114 | */ | |
115 | ||
116 | data_pos[0] = -lptr->dir[0]; | |
117 | data_pos[1] = -lptr->dir[1]; | |
118 | data_pos[2] = -lptr->dir[2]; | |
119 | data_pos[3] = 0.0; | |
120 | ||
121 | glLightfv(*gl_lid, GL_AMBIENT, default_amb); | |
122 | glLightfv(*gl_lid, GL_DIFFUSE, data_diffu); | |
123 | glLightfv(*gl_lid, GL_SPECULAR, data_diffu); | |
124 | ||
125 | glLightfv(*gl_lid, GL_POSITION, data_pos); | |
126 | glLightfv(*gl_lid, GL_SPOT_DIRECTION, default_sptdir); | |
127 | glLightf(*gl_lid, GL_SPOT_EXPONENT, default_sptexpo); | |
128 | glLightf(*gl_lid, GL_SPOT_CUTOFF, default_sptcutoff); | |
129 | break; | |
130 | ||
131 | ||
132 | case TLightPositional: | |
133 | data_diffu[0] = lptr->col.rgb[0]; | |
134 | data_diffu[1] = lptr->col.rgb[1]; | |
135 | data_diffu[2] = lptr->col.rgb[2]; | |
136 | data_diffu[3] = 1.0; | |
137 | ||
138 | /*------------------------- Position -----------------------------*/ | |
139 | /* From Open GL Programming Rev 1 Guide Chapt 6 : | |
140 | Lighting The Mathematics of Lighting ( p 168 ) | |
141 | Positional Light Source : | |
142 | if the last parameter of GL_POSITION , w , is nonzero, | |
143 | the corresponding light source is a Positional one. | |
144 | ||
145 | GL_SPOT_CUTOFF a 180 signifie que ce n'est pas un spot. | |
146 | ||
147 | To create a realistic effect, set the GL_SPECULAR parameter | |
148 | to the same value as the GL_DIFFUSE. | |
149 | */ | |
150 | ||
151 | data_pos[0] = lptr->pos[0]; | |
152 | data_pos[1] = lptr->pos[1]; | |
153 | data_pos[2] = lptr->pos[2]; | |
154 | data_pos[3] = 1.0; | |
155 | ||
156 | data_constantattenuation = lptr->atten[0]; | |
157 | data_linearattenuation = lptr->atten[1]; | |
158 | ||
159 | glLightfv(*gl_lid, GL_AMBIENT, default_amb); | |
160 | glLightfv(*gl_lid, GL_DIFFUSE, data_diffu); | |
161 | glLightfv(*gl_lid, GL_SPECULAR, data_diffu); | |
162 | ||
163 | glLightfv(*gl_lid, GL_POSITION, data_pos); | |
164 | glLightfv(*gl_lid, GL_SPOT_DIRECTION, default_sptdir); | |
165 | glLightf(*gl_lid, GL_SPOT_EXPONENT, default_sptexpo); | |
166 | glLightf(*gl_lid, GL_SPOT_CUTOFF, default_sptcutoff); | |
167 | glLightf(*gl_lid, GL_CONSTANT_ATTENUATION, data_constantattenuation); | |
168 | glLightf(*gl_lid, GL_LINEAR_ATTENUATION, data_linearattenuation); | |
169 | glLightf(*gl_lid, GL_QUADRATIC_ATTENUATION, 0.0); | |
170 | break; | |
171 | ||
172 | ||
173 | case TLightSpot: | |
174 | data_diffu[0] = lptr->col.rgb[0]; | |
175 | data_diffu[1] = lptr->col.rgb[1]; | |
176 | data_diffu[2] = lptr->col.rgb[2]; | |
177 | data_diffu[3] = 1.0; | |
178 | ||
179 | data_pos[0] = lptr->pos[0]; | |
180 | data_pos[1] = lptr->pos[1]; | |
181 | data_pos[2] = lptr->pos[2]; | |
182 | data_pos[3] = 1.0; | |
183 | ||
184 | data_sptdir[0] = lptr->dir[0]; | |
185 | data_sptdir[1] = lptr->dir[1]; | |
186 | data_sptdir[2] = lptr->dir[2]; | |
187 | ||
188 | data_sptexpo = ( float )lptr->shine * 128.0F; | |
189 | data_sptcutoff = ( float )(lptr->angle * 180.0F)/( float )M_PI; | |
190 | ||
191 | data_constantattenuation = lptr->atten[0]; | |
192 | data_linearattenuation = lptr->atten[1]; | |
193 | ||
194 | glLightfv(*gl_lid, GL_AMBIENT, default_amb); | |
195 | glLightfv(*gl_lid, GL_DIFFUSE, data_diffu); | |
196 | glLightfv(*gl_lid, GL_SPECULAR, data_diffu); | |
197 | ||
198 | glLightfv(*gl_lid, GL_POSITION, data_pos); | |
199 | glLightfv(*gl_lid, GL_SPOT_DIRECTION, data_sptdir); | |
200 | glLightf(*gl_lid, GL_SPOT_EXPONENT, data_sptexpo); | |
201 | glLightf(*gl_lid, GL_SPOT_CUTOFF, data_sptcutoff); | |
202 | glLightf(*gl_lid, GL_CONSTANT_ATTENUATION, data_constantattenuation); | |
203 | glLightf(*gl_lid, GL_LINEAR_ATTENUATION, data_linearattenuation); | |
204 | glLightf(*gl_lid, GL_QUADRATIC_ATTENUATION, 0.0); | |
205 | break; | |
206 | } | |
207 | ||
208 | if (lptr->type != TLightAmbient) | |
209 | { | |
210 | glEnable(*gl_lid); | |
211 | (*gl_lid)++; | |
212 | } | |
213 | ||
214 | /* si la light etait une headlight alors restaure la matrice precedente */ | |
215 | if (lptr->HeadLight) | |
216 | { | |
217 | glPopMatrix(); | |
218 | glMatrixMode(cur_matrix); | |
219 | } | |
220 | } | |
221 | ||
222 | /*----------------------------------------------------------------------*/ | |
223 | /* | |
224 | * Prototypes | |
225 | */ | |
226 | ||
227 | static void call_util_apply_trans2( float ix, float iy, float iz, matrix3 mat, | |
228 | float *ox, float *oy, float *oz ); | |
229 | static void call_util_mat_mul( matrix3 mat_a, matrix3 mat_b, matrix3 mat_c); | |
230 | ||
231 | /*----------------------------------------------------------------------*/ | |
232 | /* | |
233 | * Fonctions externes | |
234 | */ | |
235 | ||
236 | /* | |
237 | * Evaluates orientation matrix. | |
238 | */ | |
239 | /* OCC18942: obsolete in OCCT6.3, might be removed in further versions! */ | |
240 | void call_func_eval_ori_matrix3 (const point3* vrp, // view reference point | |
241 | const vec3* vpn, // view plane normal | |
242 | const vec3* vup, // view up vector | |
243 | int* err_ind, | |
244 | float mout[4][4]) // OUT view orientation matrix | |
245 | { | |
246 | ||
247 | /* Translate to VRP then change the basis. | |
248 | * The old basis is: e1 = < 1, 0, 0>, e2 = < 0, 1, 0>, e3 = < 0, 0, 1>. | |
249 | * The new basis is: ("x" means cross product) | |
250 | * e3' = VPN / |VPN| | |
251 | * e1' = VUP x VPN / |VUP x VPN| | |
252 | * e2' = e3' x e1' | |
253 | * Therefore the transform from old to new is x' = TAx, where: | |
254 | * | |
255 | * | e1'x e2'x e3'x 0 | | 1 0 0 0 | | |
256 | * A = | e1'y e2'y e3'y 0 |, T = | 0 1 0 0 | | |
257 | * | e1'z e2'z e3'z 0 | | 0 0 1 0 | | |
258 | * | 0 0 0 1 | | -vrp.x -vrp.y -vrp.z 1 | | |
259 | * | |
260 | */ | |
261 | ||
262 | /* | |
263 | * These ei's are really ei primes. | |
264 | */ | |
265 | register float (*m)[4][4]; | |
266 | point3 e1, e2, e3, e4; | |
267 | double s, v; | |
268 | ||
269 | /* | |
270 | * e1' = VUP x VPN / |VUP x VPN|, but do the division later. | |
271 | */ | |
272 | e1.x = vup->delta_y * vpn->delta_z - vup->delta_z * vpn->delta_y; | |
273 | e1.y = vup->delta_z * vpn->delta_x - vup->delta_x * vpn->delta_z; | |
274 | e1.z = vup->delta_x * vpn->delta_y - vup->delta_y * vpn->delta_x; | |
275 | s = sqrt( e1.x * e1.x + e1.y * e1.y + e1.z * e1.z); | |
276 | e3.x = vpn->delta_x; | |
277 | e3.y = vpn->delta_y; | |
278 | e3.z = vpn->delta_z; | |
279 | v = sqrt( e3.x * e3.x + e3.y * e3.y + e3.z * e3.z); | |
280 | /* | |
281 | * Check for vup and vpn colinear (zero dot product). | |
282 | */ | |
283 | if ((s > -EPSI) && (s < EPSI)) | |
284 | *err_ind = 2; | |
285 | else | |
286 | /* | |
287 | * Check for a normal vector not null. | |
288 | */ | |
289 | if ((v > -EPSI) && (v < EPSI)) | |
290 | *err_ind = 3; | |
291 | else { | |
292 | /* | |
293 | * Normalize e1 | |
294 | */ | |
295 | e1.x /= ( float )s; | |
296 | e1.y /= ( float )s; | |
297 | e1.z /= ( float )s; | |
298 | /* | |
299 | * e3 = VPN / |VPN| | |
300 | */ | |
301 | e3.x /= ( float )v; | |
302 | e3.y /= ( float )v; | |
303 | e3.z /= ( float )v; | |
304 | /* | |
305 | * e2 = e3 x e1 | |
306 | */ | |
307 | e2.x = e3.y * e1.z - e3.z * e1.y; | |
308 | e2.y = e3.z * e1.x - e3.x * e1.z; | |
309 | e2.z = e3.x * e1.y - e3.y * e1.x; | |
310 | /* | |
311 | * Add the translation | |
312 | */ | |
313 | e4.x = -( e1.x * vrp->x + e1.y * vrp->y + e1.z * vrp->z); | |
314 | e4.y = -( e2.x * vrp->x + e2.y * vrp->y + e2.z * vrp->z); | |
315 | e4.z = -( e3.x * vrp->x + e3.y * vrp->y + e3.z * vrp->z); | |
316 | /* | |
317 | * Homogeneous entries | |
318 | * | |
319 | * | e1.x e2.x e3.x 0.0 | | 1 0 0 0 | | |
320 | * | e1.y e2.y e3.y 0.0 | * | 0 1 0 0 | | |
321 | * | e1.z e2.z e3.z 0.0 | | a b 1 c | | |
322 | * | e4.x e4.y e4.z 1.0 | | 0 0 0 1 | | |
323 | */ | |
324 | ||
325 | m = (float (*)[4][4])mout; | |
326 | ||
327 | (*m)[0][0] = e1.x; | |
328 | (*m)[0][1] = e2.x; | |
329 | (*m)[0][2] = e3.x; | |
330 | (*m)[0][3] = ( float )0.0; | |
331 | ||
332 | (*m)[1][0] = e1.y; | |
333 | (*m)[1][1] = e2.y; | |
334 | (*m)[1][2] = e3.y; | |
335 | (*m)[1][3] = ( float )0.0; | |
336 | ||
337 | (*m)[2][0] = e1.z; | |
338 | (*m)[2][1] = e2.z; | |
339 | (*m)[2][2] = e3.z; | |
340 | (*m)[2][3] = ( float )0.0; | |
341 | ||
342 | (*m)[3][0] = e4.x; | |
343 | (*m)[3][1] = e4.y; | |
344 | (*m)[3][2] = e4.z; | |
345 | (*m)[3][3] = ( float )1.0; | |
346 | ||
347 | *err_ind = 0; | |
348 | } | |
349 | } | |
350 | ||
351 | /*----------------------------------------------------------------------*/ | |
352 | /* | |
353 | * Evaluates mapping matrix. | |
354 | */ | |
355 | /* OCC18942: obsolete in OCCT6.3, might be removed in further versions! */ | |
356 | void call_func_eval_map_matrix3( | |
357 | view_map3 *Map, | |
358 | int *err_ind, | |
359 | matrix3 mat) | |
360 | { | |
361 | int i, j; | |
362 | matrix3 Tpar, Spar; | |
363 | matrix3 Tper, Sper; | |
364 | matrix3 Shear; | |
365 | matrix3 Scale; | |
366 | matrix3 Tprp; | |
367 | matrix3 aux_mat1, aux_mat2, aux_mat3; | |
368 | point3 Prp; | |
369 | ||
370 | *err_ind = 0; | |
371 | for (i=0; i<4; i++) | |
372 | for (j=0; j<4; j++) | |
373 | Spar[i][j] = Sper[i][j] = aux_mat1[i][j] = aux_mat2[i][j] = | |
374 | aux_mat3[i][j] = Tper[i][j] = Tpar[i][j] = Tprp[i][j] = | |
375 | Shear[i][j] = Scale[i][j] = ( float )(i == j); | |
376 | ||
377 | Prp.x = Map->proj_ref_point.x; | |
378 | Prp.y = Map->proj_ref_point.y; | |
379 | Prp.z = Map->proj_ref_point.z; | |
380 | ||
381 | /* | |
382 | * Type Parallele | |
383 | */ | |
384 | if (Map->proj_type == TYPE_PARAL) | |
385 | { | |
386 | float umid, vmid; | |
387 | point3 temp; | |
388 | ||
389 | #ifdef FMN | |
390 | float cx, cy, gx, gy, xsf, ysf, zsf; | |
391 | float fpd, bpd; | |
392 | float dopx, dopy, dopz; | |
393 | matrix3 tmat = { { ( float )1.0, ( float )0.0, ( float )0.0, ( float )0.0 }, | |
394 | { ( float )0.0, ( float )1.0, ( float )0.0, ( float )0.0 }, | |
395 | { ( float )0.0, ( float )0.0, ( float )1.0, ( float )0.0 }, | |
396 | { ( float )0.0, ( float )0.0, ( float )0.0, ( float )1.0 } }; | |
397 | matrix3 smat = { { ( float )1.0, ( float )0.0, ( float )0.0, ( float )0.0 }, | |
398 | { ( float )0.0, ( float )1.0, ( float )0.0, ( float )0.0 }, | |
399 | { ( float )0.0, ( float )0.0, ( float )1.0, ( float )0.0 }, | |
400 | { ( float )0.0, ( float )0.0, ( float )0.0, ( float )1.0 } }; | |
401 | matrix3 shmat = { { ( float )1.0, ( float )0.0, ( float )0.0, ( float )0.0 }, | |
402 | { ( float )0.0, ( float )1.0, ( float )0.0, ( float )0.0 }, | |
403 | { ( float )0.0, ( float )0.0, ( float )1.0, ( float )0.0 }, | |
404 | { ( float )0.0, ( float )0.0, ( float )0.0, ( float )1.0 } }; | |
405 | matrix3 tshmat = { { ( float )1.0, ( float )0.0, ( float )0.0, ( float )0.0 }, | |
406 | { ( float )0.0, ( float )1.0, ( float )0.0, ( float )0.0 }, | |
407 | { ( float )0.0, ( float )0.0, ( float )1.0, ( float )0.0 }, | |
408 | { ( float )0.0, ( float )0.0, ( float )0.0, ( float )1.0 } }; | |
409 | ||
410 | /* centers */ | |
411 | cx = Map->win.x_min + Map->win.x_max, cx /= ( float )2.0; | |
412 | cy = Map->win.y_min + Map->win.y_max, cy /= ( float )2.0; | |
413 | ||
414 | gx = 2.0/ (Map->win.x_max - Map->win.x_min); | |
415 | gy = 2.0/ (Map->win.y_max - Map->win.y_min); | |
416 | ||
417 | tmat[0][3] = -cx; | |
418 | tmat[1][3] = -cy; | |
419 | tmat[2][3] = (Map->front_plane + Map->back_plane)/(Map->front_plane - Map->back_plane); | |
420 | ||
421 | smat[0][0] = gx; | |
422 | smat[1][1] = gy; | |
423 | smat[2][2] = -2./(Map->front_plane - Map->back_plane); | |
424 | ||
425 | /* scale factors */ | |
426 | dopx = cx - Prp.x; | |
427 | dopy = cy - Prp.y; | |
428 | dopz = - Prp.z; | |
429 | ||
430 | /* map matrix */ | |
431 | shmat[0][2] = -(dopx/dopz); | |
432 | shmat[1][2] = -(dopy/dopz); | |
433 | ||
434 | /* multiply to obtain mapping matrix */ | |
435 | call_util_mat_mul( tmat, shmat, tshmat ); | |
436 | call_util_mat_mul( smat, tshmat, mat ); | |
437 | ||
438 | return; | |
439 | #endif | |
440 | ||
441 | /* CAL */ | |
442 | Map->proj_vp.z_min = ( float )0.0; | |
443 | Map->proj_vp.z_max = ( float )1.0; | |
444 | /* CAL */ | |
445 | ||
446 | /* Shear matrix calculation */ | |
447 | umid = ( float )(Map->win.x_min+Map->win.x_max)/( float )2.0; | |
448 | vmid = ( float )(Map->win.y_min+Map->win.y_max)/( float )2.0; | |
449 | if(Prp.z == Map->view_plane){ | |
450 | /* Projection reference point is on the view plane */ | |
451 | *err_ind = 1; | |
452 | return; | |
453 | } | |
454 | Shear[2][0] = ( float )(-1.0) * ((Prp.x-umid)/(Prp.z-Map->view_plane)); | |
455 | Shear[2][1] = ( float )(-1.0) * ((Prp.y-vmid)/(Prp.z-Map->view_plane)); | |
456 | ||
457 | /* | |
458 | * Calculate the lower left coordinate of the view plane | |
459 | * after the Shearing Transformation. | |
460 | */ | |
461 | call_util_apply_trans2(Map->win.x_min, Map->win.y_min, | |
462 | Map->view_plane, Shear, &(temp.x), &(temp.y), &(temp.z)); | |
463 | ||
464 | /* Translate the back plane to the origin */ | |
465 | Tpar[3][0] = ( float )(-1.0) * temp.x; | |
466 | Tpar[3][1] = ( float )(-1.0) * temp.y; | |
467 | Tpar[3][2] = ( float )(-1.0) * Map->back_plane; | |
468 | ||
469 | call_util_mat_mul(Shear, Tpar, aux_mat1); | |
470 | ||
471 | /* Calculation of Scaling transformation */ | |
472 | Spar[0][0] = ( float )1.0 / (Map->win.x_max - Map->win.x_min); | |
473 | Spar[1][1] = ( float )1.0 / (Map->win.y_max - Map->win.y_min); | |
474 | Spar[2][2] = ( float )1.0 / (Map->front_plane - Map->back_plane ); | |
475 | call_util_mat_mul (aux_mat1, Spar, aux_mat2); | |
476 | /* Atlast we transformed view volume to NPC */ | |
477 | ||
478 | /* Translate and scale the view plane to projection view port */ | |
479 | if(Map->proj_vp.x_min < 0.0 || Map->proj_vp.y_min < 0.0 || | |
480 | Map->proj_vp.z_min < 0.0 || Map->proj_vp.x_max > 1.0 || | |
481 | Map->proj_vp.y_max > 1.0 || Map->proj_vp.z_max > 1.0 || | |
482 | Map->proj_vp.x_min > Map->proj_vp.x_max || | |
483 | Map->proj_vp.y_min > Map->proj_vp.y_max || | |
484 | Map->proj_vp.z_min > Map->proj_vp.z_max){ | |
485 | *err_ind = 1; | |
486 | return; | |
487 | } | |
488 | for(i=0; i<4; i++) | |
489 | for(j=0; j<4; j++) | |
490 | aux_mat1[i][j] = (float)(i==j); | |
491 | aux_mat1[0][0] = Map->proj_vp.x_max-Map->proj_vp.x_min; | |
492 | aux_mat1[1][1] = Map->proj_vp.y_max-Map->proj_vp.y_min; | |
493 | aux_mat1[2][2] = Map->proj_vp.z_max-Map->proj_vp.z_min; | |
494 | aux_mat1[3][0] = Map->proj_vp.x_min; | |
495 | aux_mat1[3][1] = Map->proj_vp.y_min; | |
496 | aux_mat1[3][2] = Map->proj_vp.z_min; | |
497 | call_util_mat_mul (aux_mat2, aux_mat1, mat); | |
498 | ||
499 | return; | |
500 | } | |
501 | ||
502 | /* | |
503 | * Type Perspective | |
504 | */ | |
505 | else if (Map->proj_type == TYPE_PERSPECT) | |
506 | { | |
507 | float umid, vmid; | |
508 | float B, F, V; | |
509 | float Zvmin; | |
510 | ||
511 | /* CAL */ | |
512 | Map->proj_vp.z_min = ( float )0.0; | |
513 | Map->proj_vp.z_max = ( float )1.0; | |
514 | /* CAL */ | |
515 | ||
516 | B = Map->back_plane; | |
517 | F = Map->front_plane; | |
518 | V = Map->view_plane; | |
519 | ||
520 | if(Prp.z == Map->view_plane){ | |
521 | /* Centre of Projection is on the view plane */ | |
522 | *err_ind = 1; | |
523 | return; | |
524 | } | |
525 | if(Map->proj_vp.x_min < 0.0 || Map->proj_vp.y_min < 0.0 || | |
526 | Map->proj_vp.z_min < 0.0 || Map->proj_vp.x_max > 1.0 || | |
527 | Map->proj_vp.y_max > 1.0 || Map->proj_vp.z_max > 1.0 || | |
528 | Map->proj_vp.x_min > Map->proj_vp.x_max || | |
529 | Map->proj_vp.y_min > Map->proj_vp.y_max || | |
530 | Map->proj_vp.z_min > Map->proj_vp.z_max || | |
531 | F < B){ | |
532 | *err_ind = 1; | |
533 | return; | |
534 | } | |
535 | ||
536 | /* This is the transformation to move VRC to Center Of Projection */ | |
537 | Tprp[3][0] = ( float )(-1.0)*Prp.x; | |
538 | Tprp[3][1] = ( float )(-1.0)*Prp.y; | |
539 | Tprp[3][2] = ( float )(-1.0)*Prp.z; | |
540 | ||
541 | /* Calculation of Shear matrix */ | |
542 | umid = ( float )(Map->win.x_min+Map->win.x_max)/( float )2.0-Prp.x; | |
543 | vmid = ( float )(Map->win.y_min+Map->win.y_max)/( float )2.0-Prp.y; | |
544 | Shear[2][0] = ( float )(-1.0)*umid/(Map->view_plane-Prp.z); | |
545 | Shear[2][1] = ( float )(-1.0)*vmid/(Map->view_plane-Prp.z); | |
546 | call_util_mat_mul(Tprp, Shear, aux_mat3); | |
547 | ||
548 | /* Scale the view volume to canonical view volume | |
549 | * Centre of projection at origin. | |
550 | * 0 <= N <= -1, -0.5 <= U <= 0.5, -0.5 <= V <= 0.5 | |
551 | */ | |
552 | Scale[0][0] = (( float )(-1.0)*Prp.z+V)/ | |
553 | ((Map->win.x_max-Map->win.x_min)*(( float )(-1.0)*Prp.z+B)); | |
554 | Scale[1][1] = (( float )(-1.0)*Prp.z+V)/ | |
555 | ((Map->win.y_max-Map->win.y_min)*(( float )(-1.0)*Prp.z+B)); | |
556 | Scale[2][2] = ( float )(-1.0) / (( float )(-1.0)*Prp.z+B); | |
557 | ||
558 | call_util_mat_mul(aux_mat3, Scale, aux_mat1); | |
559 | ||
560 | /* | |
561 | * Transform the Perspective view volume into | |
562 | * Parallel view volume. | |
563 | * Lower left coordinate: (-0.5,-0.5, -1) | |
564 | * Upper right coordinate: (0.5, 0.5, 1.0) | |
565 | */ | |
566 | Zvmin = ( float )(-1.0*(-1.0*Prp.z+F)/(-1.0*Prp.z+B)); | |
567 | aux_mat2[2][2] = ( float )1.0/(( float )1.0+Zvmin); | |
568 | aux_mat2[2][3] = ( float )(-1.0); | |
569 | aux_mat2[3][2] = ( float )(-1.0)*Zvmin*aux_mat2[2][2]; | |
570 | aux_mat2[3][3] = ( float )0.0; | |
571 | call_util_mat_mul(aux_mat1, aux_mat2, Shear); | |
572 | ||
573 | for(i=0; i<4; i++) | |
574 | for(j=0; j<4; j++) | |
575 | aux_mat1[i][j] = aux_mat2[i][j] = (float)(i==j); | |
576 | ||
577 | /* Translate and scale the view plane to projection view port */ | |
578 | aux_mat2[0][0] = (Map->proj_vp.x_max-Map->proj_vp.x_min); | |
579 | aux_mat2[1][1] = (Map->proj_vp.y_max-Map->proj_vp.y_min); | |
580 | aux_mat2[2][2] = (Map->proj_vp.z_max-Map->proj_vp.z_min); | |
581 | aux_mat2[3][0] = aux_mat2[0][0]/( float )2.0+Map->proj_vp.x_min; | |
582 | aux_mat2[3][1] = aux_mat2[1][1]/( float )2.0+Map->proj_vp.y_min; | |
583 | aux_mat2[3][2] = aux_mat2[2][2]+Map->proj_vp.z_min; | |
584 | call_util_mat_mul (Shear, aux_mat2, mat); | |
585 | ||
586 | return; | |
587 | } | |
588 | else | |
589 | *err_ind = 1; | |
590 | } | |
591 | ||
592 | /*----------------------------------------------------------------------*/ | |
593 | ||
594 | static void | |
595 | call_util_apply_trans2( float ix, float iy, float iz, matrix3 mat, | |
596 | float *ox, float *oy, float *oz ) | |
597 | { | |
598 | float temp; | |
599 | *ox = ix*mat[0][0]+iy*mat[1][0]+iz*mat[2][0]+mat[3][0]; | |
600 | *oy = ix*mat[0][1]+iy*mat[1][1]+iz*mat[2][1]+mat[3][1]; | |
601 | *oz = ix*mat[0][2]+iy*mat[1][2]+iz*mat[2][2]+mat[3][2]; | |
602 | temp = ix * mat[0][3]+iy * mat[1][3]+iz * mat[2][3]+mat[3][3]; | |
603 | *ox /= temp; | |
604 | *oy /= temp; | |
605 | *oz /= temp; | |
606 | } | |
607 | ||
608 | /*----------------------------------------------------------------------*/ | |
609 | ||
610 | static void | |
611 | call_util_mat_mul( matrix3 mat_a, matrix3 mat_b, matrix3 mat_c) | |
612 | { | |
613 | int i, j, k; | |
614 | ||
615 | for (i=0; i<4; i++) | |
616 | for (j=0; j<4; j++) | |
617 | for (mat_c[i][j] = ( float )0.0,k=0; k<4; k++) | |
618 | mat_c[i][j] += mat_a[i][k] * mat_b[k][j]; | |
619 | } | |
620 | ||
621 | /*----------------------------------------------------------------------*/ | |
622 | ||
623 | //call_func_redraw_all_structs_proc | |
624 | void OpenGl_View::Render (const Handle(OpenGl_Workspace) &AWorkspace, | |
625 | const Graphic3d_CView& ACView, | |
626 | const Aspect_CLayer2d& ACUnderLayer, | |
627 | const Aspect_CLayer2d& ACOverLayer) | |
628 | { | |
629 | // Reset FLIST status after modification of myBackfacing | |
630 | if (myResetFLIST) | |
631 | { | |
632 | AWorkspace->NamedStatus &= ~OPENGL_NS_FLIST; | |
633 | myResetFLIST = Standard_False; | |
634 | } | |
635 | ||
636 | // Store and disable current clipping planes | |
637 | GLint maxplanes; | |
638 | glGetIntegerv(GL_MAX_CLIP_PLANES, &maxplanes); | |
639 | const GLenum lastid = GL_CLIP_PLANE0 + maxplanes; | |
640 | OPENGL_CLIP_PLANE *oldPlanes = new OPENGL_CLIP_PLANE[maxplanes]; | |
641 | OPENGL_CLIP_PLANE *ptrPlane = oldPlanes; | |
642 | GLenum planeid = GL_CLIP_PLANE0; | |
643 | for ( ; planeid < lastid; planeid++, ptrPlane++ ) | |
644 | { | |
645 | glGetClipPlane( planeid, ptrPlane->Equation ); | |
646 | if ( ptrPlane->isEnabled ) | |
647 | { | |
648 | glDisable( planeid ); | |
649 | ptrPlane->isEnabled = GL_TRUE; | |
650 | } | |
651 | else | |
652 | ptrPlane->isEnabled = GL_FALSE; | |
653 | } | |
654 | ||
655 | ///////////////////////////////////////////////////////////////////////////// | |
656 | // Step 1: Prepare for redraw | |
657 | ||
658 | // Render background | |
659 | if ( (AWorkspace->NamedStatus & OPENGL_NS_WHITEBACK) == 0 && | |
660 | ( myBgTexture.TexId != 0 || myBgGradient.type != Aspect_GFM_NONE ) ) | |
661 | { | |
662 | const Standard_Integer aViewWidth = AWorkspace->Width(); | |
663 | const Standard_Integer aViewHeight = AWorkspace->Height(); | |
664 | ||
665 | glPushAttrib( GL_ENABLE_BIT | GL_TEXTURE_BIT ); | |
666 | ||
667 | glMatrixMode( GL_PROJECTION ); | |
668 | glPushMatrix(); | |
669 | glLoadIdentity(); | |
670 | glMatrixMode( GL_MODELVIEW ); | |
671 | glPushMatrix(); | |
672 | glLoadIdentity(); | |
673 | ||
674 | if ( glIsEnabled( GL_DEPTH_TEST ) ) | |
675 | glDisable( GL_DEPTH_TEST ); //push GL_ENABLE_BIT | |
676 | ||
f8b2ed36 | 677 | // drawing bg gradient if: |
678 | // - gradient fill type is not Aspect_GFM_NONE and | |
679 | // - either background texture is no specified or it is drawn in Aspect_FM_CENTERED mode | |
680 | if ( ( myBgGradient.type != Aspect_GFM_NONE ) && | |
681 | ( myBgTexture.TexId == 0 || myBgTexture.Style == Aspect_FM_CENTERED || | |
682 | myBgTexture.Style == Aspect_FM_NONE ) ) | |
2166f0fa SK |
683 | { |
684 | Tfloat* corner1 = 0;/* -1,-1*/ | |
685 | Tfloat* corner2 = 0;/* 1,-1*/ | |
686 | Tfloat* corner3 = 0;/* 1, 1*/ | |
687 | Tfloat* corner4 = 0;/* -1, 1*/ | |
688 | Tfloat dcorner1[3]; | |
689 | Tfloat dcorner2[3]; | |
690 | ||
691 | switch( myBgGradient.type ) | |
692 | { | |
693 | case Aspect_GFM_HOR: | |
f8b2ed36 | 694 | corner1 = myBgGradient.color1.rgb; |
2166f0fa | 695 | corner2 = myBgGradient.color2.rgb; |
f8b2ed36 | 696 | corner3 = myBgGradient.color2.rgb; |
2166f0fa SK |
697 | corner4 = myBgGradient.color1.rgb; |
698 | break; | |
699 | case Aspect_GFM_VER: | |
700 | corner1 = myBgGradient.color2.rgb; | |
f8b2ed36 | 701 | corner2 = myBgGradient.color2.rgb; |
2166f0fa | 702 | corner3 = myBgGradient.color1.rgb; |
f8b2ed36 | 703 | corner4 = myBgGradient.color1.rgb; |
2166f0fa SK |
704 | break; |
705 | case Aspect_GFM_DIAG1: | |
706 | corner2 = myBgGradient.color2.rgb; | |
707 | corner4 = myBgGradient.color1.rgb; | |
708 | dcorner1 [0] = dcorner2[0] = 0.5F * (corner2[0] + corner4[0]); | |
709 | dcorner1 [1] = dcorner2[1] = 0.5F * (corner2[1] + corner4[1]); | |
710 | dcorner1 [2] = dcorner2[2] = 0.5F * (corner2[2] + corner4[2]); | |
711 | corner1 = dcorner1; | |
712 | corner3 = dcorner2; | |
713 | break; | |
714 | case Aspect_GFM_DIAG2: | |
715 | corner1 = myBgGradient.color2.rgb; | |
716 | corner3 = myBgGradient.color1.rgb; | |
717 | dcorner1 [0] = dcorner2[0] = 0.5F * (corner1[0] + corner3[0]); | |
718 | dcorner1 [1] = dcorner2[1] = 0.5F * (corner1[1] + corner3[1]); | |
719 | dcorner1 [2] = dcorner2[2] = 0.5F * (corner1[2] + corner3[2]); | |
720 | corner2 = dcorner1; | |
721 | corner4 = dcorner2; | |
722 | break; | |
723 | case Aspect_GFM_CORNER1: | |
f8b2ed36 | 724 | corner1 = myBgGradient.color2.rgb; |
2166f0fa SK |
725 | corner2 = myBgGradient.color2.rgb; |
726 | corner3 = myBgGradient.color2.rgb; | |
f8b2ed36 | 727 | corner4 = myBgGradient.color1.rgb; |
2166f0fa SK |
728 | break; |
729 | case Aspect_GFM_CORNER2: | |
730 | corner1 = myBgGradient.color2.rgb; | |
f8b2ed36 | 731 | corner2 = myBgGradient.color2.rgb; |
732 | corner3 = myBgGradient.color1.rgb; | |
2166f0fa SK |
733 | corner4 = myBgGradient.color2.rgb; |
734 | break; | |
735 | case Aspect_GFM_CORNER3: | |
736 | corner1 = myBgGradient.color2.rgb; | |
f8b2ed36 | 737 | corner2 = myBgGradient.color1.rgb; |
738 | corner3 = myBgGradient.color2.rgb; | |
2166f0fa SK |
739 | corner4 = myBgGradient.color2.rgb; |
740 | break; | |
741 | case Aspect_GFM_CORNER4: | |
f8b2ed36 | 742 | corner1 = myBgGradient.color1.rgb; |
2166f0fa SK |
743 | corner2 = myBgGradient.color2.rgb; |
744 | corner3 = myBgGradient.color2.rgb; | |
f8b2ed36 | 745 | corner4 = myBgGradient.color2.rgb; |
2166f0fa SK |
746 | break; |
747 | default: | |
748 | //printf("gradient background type not right\n"); | |
749 | break; | |
750 | } | |
751 | ||
752 | // Save GL parameters | |
753 | glDisable( GL_LIGHTING ); //push GL_ENABLE_BIT | |
754 | ||
755 | GLint curSM; | |
756 | glGetIntegerv( GL_SHADE_MODEL, &curSM ); | |
757 | if ( curSM != GL_SMOOTH ) | |
758 | glShadeModel( GL_SMOOTH ); //push GL_LIGHTING_BIT | |
759 | ||
760 | glBegin(GL_TRIANGLE_FAN); | |
f8b2ed36 | 761 | if( myBgGradient.type != Aspect_GFM_CORNER1 && myBgGradient.type != Aspect_GFM_CORNER3 ) |
2166f0fa SK |
762 | { |
763 | glColor3f(corner1[0],corner1[1],corner1[2]); glVertex2f(-1.,-1.); | |
764 | glColor3f(corner2[0],corner2[1],corner2[2]); glVertex2f( 1.,-1.); | |
765 | glColor3f(corner3[0],corner3[1],corner3[2]); glVertex2f( 1., 1.); | |
766 | glColor3f(corner4[0],corner4[1],corner4[2]); glVertex2f(-1., 1.); | |
767 | } | |
f8b2ed36 | 768 | else //if ( myBgGradient.type == Aspect_GFM_CORNER1 || myBgGradient.type == Aspect_GFM_CORNER3 ) |
2166f0fa SK |
769 | { |
770 | glColor3f(corner2[0],corner2[1],corner2[2]); glVertex2f( 1.,-1.); | |
771 | glColor3f(corner3[0],corner3[1],corner3[2]); glVertex2f( 1., 1.); | |
772 | glColor3f(corner4[0],corner4[1],corner4[2]); glVertex2f(-1., 1.); | |
773 | glColor3f(corner1[0],corner1[1],corner1[2]); glVertex2f(-1.,-1.); | |
774 | } | |
775 | glEnd(); | |
776 | ||
777 | // Restore GL parameters | |
778 | if ( curSM != GL_SMOOTH ) | |
779 | glShadeModel( curSM ); | |
780 | } | |
f8b2ed36 | 781 | // drawing bg image if: |
782 | // - it is defined and | |
783 | // - fill type is not Aspect_FM_NONE | |
784 | if ( myBgTexture.TexId != 0 && myBgTexture.Style != Aspect_FM_NONE ) | |
785 | { | |
786 | GLfloat texX_range = 1.F; // texture <s> coordinate | |
787 | GLfloat texY_range = 1.F; // texture <t> coordinate | |
788 | ||
789 | // Set up for stretching or tiling | |
790 | GLfloat x_offset, y_offset; | |
791 | if ( myBgTexture.Style == Aspect_FM_CENTERED ) | |
792 | { | |
793 | x_offset = (GLfloat)myBgTexture.Width / (GLfloat)aViewWidth; | |
794 | y_offset = (GLfloat)myBgTexture.Height / (GLfloat)aViewHeight; | |
795 | } | |
796 | else | |
797 | { | |
798 | x_offset = 1.F; | |
799 | y_offset = 1.F; | |
800 | if ( myBgTexture.Style == Aspect_FM_TILED ) | |
801 | { | |
802 | texX_range = (GLfloat)aViewWidth / (GLfloat)myBgTexture.Width; | |
803 | texY_range = (GLfloat)aViewHeight / (GLfloat)myBgTexture.Height; | |
804 | } | |
805 | } | |
806 | ||
807 | glEnable( GL_TEXTURE_2D ); //push GL_ENABLE_BIT | |
808 | glBindTexture( GL_TEXTURE_2D, myBgTexture.TexId ); //push GL_TEXTURE_BIT | |
809 | ||
810 | glDisable( GL_BLEND ); //push GL_ENABLE_BIT | |
811 | ||
812 | glColor3fv( AWorkspace->BackgroundColor().rgb ); | |
813 | glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL); //push GL_TEXTURE_BIT | |
814 | ||
815 | glBegin( GL_QUADS ); | |
816 | glTexCoord2f(0.F, 0.F); glVertex2f( -x_offset, -y_offset ); | |
817 | glTexCoord2f(texX_range, 0.F); glVertex2f( x_offset, -y_offset ); | |
818 | glTexCoord2f(texX_range, texY_range); glVertex2f( x_offset, y_offset ); | |
819 | glTexCoord2f(0.F, texY_range); glVertex2f( -x_offset, y_offset ); | |
820 | glEnd(); | |
821 | } | |
2166f0fa SK |
822 | |
823 | glPopMatrix(); | |
824 | glMatrixMode( GL_PROJECTION ); | |
825 | glPopMatrix(); | |
826 | glMatrixMode( GL_MODELVIEW ); | |
827 | ||
828 | glPopAttrib(); //GL_ENABLE_BIT | GL_TEXTURE_BIT | |
829 | ||
830 | if ( AWorkspace->UseZBuffer() ) | |
831 | glEnable( GL_DEPTH_TEST ); | |
832 | ||
833 | /* GL_DITHER on/off pour le trace */ | |
834 | if (AWorkspace->Dither()) | |
835 | glEnable (GL_DITHER); | |
836 | else | |
837 | glDisable (GL_DITHER); | |
838 | } | |
839 | ||
840 | // Switch off lighting by default | |
841 | glDisable(GL_LIGHTING); | |
842 | ||
843 | ///////////////////////////////////////////////////////////////////////////// | |
844 | // Step 2: Draw underlayer | |
845 | RedrawLayer2d(AWorkspace, ACView, ACUnderLayer); | |
846 | ||
847 | ///////////////////////////////////////////////////////////////////////////// | |
848 | // Step 3: Redraw main plane | |
849 | ||
850 | // Setup face culling | |
851 | GLboolean isCullFace = GL_FALSE; | |
852 | if ( myBackfacing ) | |
853 | { | |
854 | isCullFace = glIsEnabled( GL_CULL_FACE ); | |
855 | if ( myBackfacing < 0 ) | |
856 | { | |
857 | glEnable( GL_CULL_FACE ); | |
858 | glCullFace( GL_BACK ); | |
859 | } | |
860 | else | |
861 | glDisable( GL_CULL_FACE ); | |
862 | } | |
863 | ||
864 | //TsmPushAttri(); /* save previous graphics context */ | |
865 | ||
866 | // if the view is scaled normal vectors are scaled to unit length for correct displaying of shaded objects | |
867 | if(myExtra.scaleFactors[0] != 1.F || | |
868 | myExtra.scaleFactors[1] != 1.F || | |
869 | myExtra.scaleFactors[2] != 1.F) | |
870 | glEnable(GL_NORMALIZE); | |
871 | else if(glIsEnabled(GL_NORMALIZE)) | |
872 | glDisable(GL_NORMALIZE); | |
873 | ||
874 | // Apply View Projection | |
875 | // This routine activates the Projection matrix for a view. | |
876 | ||
877 | glMatrixMode( GL_PROJECTION ); | |
878 | ||
879 | #ifdef WNT | |
880 | // add printing scale/tiling transformation | |
881 | OpenGl_PrinterContext* aPrinterContext = OpenGl_PrinterContext::GetPrinterContext(AWorkspace->GetGContext()); | |
882 | ||
883 | if (aPrinterContext) | |
884 | { | |
885 | GLfloat aProjMatrix[16]; | |
886 | aPrinterContext->GetProjTransformation(aProjMatrix); | |
887 | glLoadMatrixf((GLfloat*) aProjMatrix); | |
888 | } | |
889 | else | |
890 | #endif | |
891 | glLoadIdentity(); | |
892 | ||
893 | glMultMatrixf( (const GLfloat *) myMappingMatrix ); | |
894 | ||
895 | // Add translation necessary for the environnement mapping | |
896 | if (mySurfaceDetail != Visual3d_TOD_NONE) | |
897 | { | |
898 | // OCC280: FitAll work incorrect for perspective view if the SurfaceDetail mode is V3d_TEX_ENVIRONMENT or V3d_TEX_ALL | |
899 | // const GLfloat dep = vptr->vrep.extra.map.fpd * 0.5F; | |
900 | const GLfloat dep = (myExtra.map.fpd + myExtra.map.bpd) * 0.5F; | |
901 | glTranslatef(-dep*myExtra.vpn[0],-dep*myExtra.vpn[1],-dep*myExtra.vpn[2]); | |
902 | } | |
903 | ||
904 | // Apply matrix | |
905 | AWorkspace->SetViewMatrix((const OpenGl_Matrix *)myOrientationMatrix); | |
906 | ||
907 | /* | |
908 | While drawing after a clipplane has been defined and enabled, each vertex | |
909 | is transformed to eye-coordinates, where it is dotted with the transformed | |
910 | clipping plane equation. Eye-coordinate vertexes whose dot product with | |
911 | the transformed clipping plane equation is positive or zero are in, and | |
912 | require no clipping. Those eye-coordinate vertexes whose dot product is | |
913 | negative are clipped. Because clipplane clipping is done in eye- | |
914 | coordinates, changes to the projection matrix have no effect on its | |
915 | operation. | |
916 | ||
917 | A point and a normal are converted to a plane equation in the following manner: | |
918 | ||
919 | point = [Px,Py,Pz] | |
920 | ||
921 | normal = |Nx| | |
922 | |Ny| | |
923 | |Nz| | |
924 | ||
925 | plane equation = |A| | |
926 | |B| | |
927 | |C| | |
928 | |D| | |
929 | A = Nx | |
930 | B = Ny | |
931 | C = Nz | |
932 | D = -[Px,Py,Pz] dot |Nx| | |
933 | |Ny| | |
934 | |Nz| | |
935 | ||
936 | */ | |
937 | ||
c320e557 | 938 | glPushAttrib( GL_FOG_BIT | GL_LIGHTING_BIT | GL_ENABLE_BIT ); |
2166f0fa SK |
939 | |
940 | // Apply Fog | |
941 | if ( myFog.IsOn ) | |
942 | { | |
943 | const GLfloat ramp = myExtra.map.fpd - myExtra.map.bpd; | |
944 | const GLfloat fog_start = myFog.Front * ramp - myExtra.map.fpd; | |
945 | const GLfloat fog_end = myFog.Back * ramp - myExtra.map.fpd; | |
946 | ||
947 | glFogi(GL_FOG_MODE, GL_LINEAR); | |
948 | glFogf(GL_FOG_START, fog_start); | |
949 | glFogf(GL_FOG_END, fog_end); | |
950 | glFogfv(GL_FOG_COLOR, myFog.Color.rgb); | |
951 | glEnable(GL_FOG); | |
952 | } | |
953 | else | |
954 | glDisable(GL_FOG); | |
955 | ||
956 | // Apply Lights | |
957 | { | |
958 | int i; | |
959 | ||
960 | // Switch off all lights | |
961 | for (i = GL_LIGHT0; i <= GL_LIGHT7; i++) | |
962 | glDisable(i); | |
963 | glLightModelfv(GL_LIGHT_MODEL_AMBIENT, default_amb); | |
964 | ||
965 | /* set les lights */ | |
966 | int gl_lid = GL_LIGHT0; | |
967 | OpenGl_ListOfLight::Iterator itl(myLights); | |
968 | for (; itl.More(); itl.Next()) | |
969 | { | |
970 | const OpenGl_Light &alight = itl.Value(); | |
971 | bind_light(&alight, &gl_lid); | |
972 | } | |
973 | ||
974 | if (gl_lid != GL_LIGHT0) glEnable(GL_LIGHTING); | |
975 | } | |
976 | ||
977 | // Apply InteriorShadingMethod | |
978 | glShadeModel( myIntShadingMethod == TEL_SM_FLAT ? GL_FLAT : GL_SMOOTH ); | |
979 | ||
980 | // Apply clipping planes | |
981 | { | |
982 | // Define starting plane id | |
983 | planeid = GL_CLIP_PLANE0; | |
984 | ||
985 | GLdouble equation[4]; | |
986 | ||
987 | if ( myZClip.Back.IsOn || myZClip.Front.IsOn ) | |
988 | { | |
989 | // Apply front and back clipping planes | |
990 | GLfloat mat[4][4]; | |
991 | glMatrixMode( GL_MODELVIEW ); | |
992 | glGetFloatv( GL_MODELVIEW_MATRIX,(GLfloat *) mat ); | |
993 | glLoadIdentity(); | |
994 | ||
995 | const GLdouble ramp = myExtra.map.fpd - myExtra.map.bpd; | |
996 | ||
997 | if ( myZClip.Back.IsOn ) | |
998 | { | |
999 | const GLdouble back = ramp * myZClip.Back.Limit + myExtra.map.bpd; | |
1000 | equation[0] = 0.0; /* Nx */ | |
1001 | equation[1] = 0.0; /* Ny */ | |
1002 | equation[2] = 1.0; /* Nz */ | |
1003 | equation[3] = -back; /* P dot N */ | |
1004 | glClipPlane( planeid, equation ); | |
1005 | glEnable( planeid ); | |
1006 | planeid++; | |
1007 | } | |
1008 | ||
1009 | if ( myZClip.Front.IsOn ) | |
1010 | { | |
1011 | const GLdouble front = ramp * myZClip.Front.Limit + myExtra.map.bpd; | |
1012 | equation[0] = 0.0; /* Nx */ | |
1013 | equation[1] = 0.0; /* Ny */ | |
1014 | equation[2] = -1.0; /* Nz */ | |
1015 | equation[3] = front; /* P dot N */ | |
1016 | glClipPlane( planeid, equation ); | |
1017 | glEnable( planeid ); | |
1018 | planeid++; | |
1019 | } | |
1020 | ||
1021 | glLoadMatrixf( (GLfloat *) mat ); | |
1022 | } | |
1023 | ||
1024 | // Apply user clipping planes | |
1025 | NCollection_List<OPENGL_CLIP_REP>::Iterator planeIter(myClippingPlanes); | |
1026 | for ( ; planeIter.More(); planeIter.Next() ) | |
1027 | { | |
1028 | glClipPlane( planeid, planeIter.Value().equation ); | |
1029 | glEnable( planeid ); | |
1030 | planeid++; | |
1031 | } | |
1032 | } | |
1033 | ||
1034 | // Apply AntiAliasing | |
1035 | { | |
1036 | if (myAntiAliasing) | |
1037 | AWorkspace->NamedStatus |= OPENGL_NS_ANTIALIASING; | |
1038 | else | |
1039 | AWorkspace->NamedStatus &= ~OPENGL_NS_ANTIALIASING; | |
1040 | } | |
1041 | ||
1042 | Standard_Boolean isAnimationListOpen = Standard_False; | |
1043 | ||
1044 | // Request for update of animation mode? | |
1045 | if ( (AWorkspace->NamedStatus & OPENGL_NS_UPDATEAM) != 0 ) | |
1046 | { | |
1047 | // Request to rebuild display list | |
1048 | myAnimationListReady = Standard_False; | |
1049 | // Reset request for update of animation mode | |
1050 | AWorkspace->NamedStatus &= ~OPENGL_NS_UPDATEAM; | |
1051 | } | |
1052 | ||
1053 | // Is in animation mode? | |
1054 | if ( AWorkspace->NamedStatus & OPENGL_NS_ANIMATION ) | |
1055 | { | |
1056 | // Is the animation list ready? | |
1057 | if (myAnimationListReady) | |
1058 | { | |
1059 | // Execute the animation list | |
1060 | glCallList(myAnimationListIndex); | |
1061 | } | |
1062 | else | |
1063 | { | |
1064 | // Update the animation list | |
1065 | if ( AWorkspace->NamedStatus & OPENGL_NS_FLIST ) | |
1066 | { | |
1067 | if (myAnimationListIndex == 0) | |
1068 | myAnimationListIndex = glGenLists(1); | |
1069 | ||
1070 | if (myAnimationListIndex != 0) | |
1071 | { | |
1072 | glNewList(myAnimationListIndex, GL_COMPILE_AND_EXECUTE); | |
1073 | isAnimationListOpen = Standard_True; | |
1074 | } | |
1075 | } | |
1076 | else | |
1077 | AWorkspace->NamedStatus |= OPENGL_NS_FLIST; | |
1078 | } | |
1079 | } | |
1080 | else | |
1081 | myAnimationListReady = Standard_False; | |
1082 | ||
1083 | if (!myAnimationListReady) | |
1084 | { | |
1085 | // Clear status bitfields | |
1086 | AWorkspace->NamedStatus &= ~(OPENGL_NS_2NDPASSNEED | OPENGL_NS_2NDPASSDO); | |
1087 | ||
1088 | // Added PCT for handling of textures | |
1089 | switch (mySurfaceDetail) | |
1090 | { | |
1091 | case Visual3d_TOD_NONE: | |
1092 | AWorkspace->NamedStatus |= OPENGL_NS_FORBIDSETTEX; | |
1093 | DisableTexture(); | |
1094 | // Render the view | |
1095 | RenderStructs(AWorkspace); | |
1096 | break; | |
1097 | ||
1098 | case Visual3d_TOD_ENVIRONMENT: | |
1099 | AWorkspace->NamedStatus |= OPENGL_NS_FORBIDSETTEX; | |
1100 | SetCurrentTexture(myTextureEnv); | |
1101 | EnableTexture(); | |
1102 | // Render the view | |
1103 | RenderStructs(AWorkspace); | |
1104 | DisableTexture(); | |
1105 | break; | |
1106 | ||
1107 | case Visual3d_TOD_ALL: | |
1108 | // First pass | |
1109 | AWorkspace->NamedStatus &= ~OPENGL_NS_FORBIDSETTEX; | |
1110 | // Render the view | |
1111 | RenderStructs(AWorkspace); | |
1112 | DisableTexture(); | |
1113 | ||
1114 | // Second pass | |
1115 | if (AWorkspace->NamedStatus & OPENGL_NS_2NDPASSNEED) | |
1116 | { | |
1117 | AWorkspace->NamedStatus |= OPENGL_NS_2NDPASSDO; | |
1118 | SetCurrentTexture(myTextureEnv); | |
1119 | EnableTexture(); | |
1120 | ||
1121 | /* sauvegarde de quelques parametres OpenGL */ | |
1122 | GLint blend_dst, blend_src; | |
1123 | GLint zbuff_f; | |
1124 | GLboolean zbuff_w; | |
1125 | glGetBooleanv(GL_DEPTH_WRITEMASK, &zbuff_w); | |
1126 | glGetIntegerv(GL_DEPTH_FUNC, &zbuff_f); | |
1127 | glGetIntegerv(GL_BLEND_DST, &blend_dst); | |
1128 | glGetIntegerv(GL_BLEND_SRC, &blend_src); | |
1129 | GLboolean zbuff_state = glIsEnabled(GL_DEPTH_TEST); | |
1130 | GLboolean blend_state = glIsEnabled(GL_BLEND); | |
1131 | ||
1132 | glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); | |
1133 | glEnable(GL_BLEND); | |
1134 | ||
1135 | glDepthFunc(GL_EQUAL); | |
1136 | glDepthMask(GL_FALSE); | |
1137 | glEnable(GL_DEPTH_TEST); | |
1138 | ||
1139 | AWorkspace->NamedStatus |= OPENGL_NS_FORBIDSETTEX; | |
1140 | ||
1141 | // Render the view | |
1142 | RenderStructs(AWorkspace); | |
1143 | DisableTexture(); | |
1144 | ||
1145 | /* restauration des parametres OpenGL */ | |
1146 | glBlendFunc(blend_src, blend_dst); | |
1147 | if (!blend_state) glDisable(GL_BLEND); | |
1148 | ||
1149 | glDepthFunc(zbuff_f); | |
1150 | glDepthMask(zbuff_w); | |
1151 | if (!zbuff_state) glDisable(GL_DEPTH_FUNC); | |
1152 | } | |
1153 | break; | |
1154 | } | |
1155 | ||
1156 | if (isAnimationListOpen) | |
1157 | { | |
1158 | glEndList(); | |
1159 | myAnimationListReady = Standard_True; | |
1160 | } | |
1161 | } | |
1162 | ||
1163 | /* restore previous graphics context; before update lights */ | |
1164 | //TsmPopAttri(); | |
1165 | ||
1166 | // Disable current clipping planes | |
1167 | for ( planeid = GL_CLIP_PLANE0; planeid < lastid; planeid++ ) | |
1168 | glDisable( planeid ); | |
1169 | ||
1170 | /* affichage de Triedre Non Zoomable de la vue s'il existe */ | |
1171 | if (!myTrihedron.IsNull()) | |
1172 | myTrihedron->Render(AWorkspace); | |
1173 | if (!myGraduatedTrihedron.IsNull()) | |
1174 | myGraduatedTrihedron->Render(AWorkspace); | |
1175 | ||
34a44cbd | 1176 | // The applied aspects should be reset to make it possible to |
1177 | // update gl state and bring it into line with currently set | |
1178 | // aspects by reapplying them. Reset should be done, because | |
1179 | // the glPopAttrib() will return original gl state while the | |
1180 | // internal TKOpenGl state stills unchanged. | |
1181 | AWorkspace->ResetAppliedAspect(); | |
c320e557 | 1182 | glPopAttrib(); // GL_FOG_BIT | GL_LIGHTING_BIT | GL_ENABLE_BIT |
2166f0fa SK |
1183 | |
1184 | // Restore face culling | |
1185 | if ( myBackfacing ) | |
1186 | { | |
1187 | if ( isCullFace ) | |
1188 | { | |
1189 | glEnable ( GL_CULL_FACE ); | |
1190 | glCullFace ( GL_BACK ); | |
1191 | } | |
529afc1a | 1192 | else |
2166f0fa SK |
1193 | glDisable ( GL_CULL_FACE ); |
1194 | } | |
1195 | ||
1196 | ///////////////////////////////////////////////////////////////////////////// | |
1197 | // Step 6: Draw overlayer | |
529afc1a K |
1198 | const int aMode = 0; |
1199 | AWorkspace->DisplayCallback (ACView, (aMode | OCC_PRE_OVERLAY)); | |
2166f0fa SK |
1200 | |
1201 | RedrawLayer2d(AWorkspace, ACView, ACOverLayer); | |
1202 | ||
529afc1a | 1203 | AWorkspace->DisplayCallback (ACView, aMode); |
2166f0fa SK |
1204 | |
1205 | // Restore clipping planes | |
1206 | for ( ptrPlane = oldPlanes, planeid = GL_CLIP_PLANE0; planeid < lastid; planeid++, ptrPlane++ ) | |
1207 | { | |
1208 | glClipPlane( planeid, ptrPlane->Equation ); | |
1209 | if ( ptrPlane->isEnabled ) | |
1210 | glEnable( planeid ); | |
529afc1a | 1211 | else |
2166f0fa SK |
1212 | glDisable( planeid ); |
1213 | } | |
1214 | delete[] oldPlanes; | |
1215 | } | |
1216 | ||
1217 | /*----------------------------------------------------------------------*/ | |
1218 | ||
1219 | //ExecuteViewDisplay | |
1220 | void OpenGl_View::RenderStructs (const Handle(OpenGl_Workspace) &AWorkspace) | |
1221 | { | |
59f45b7c | 1222 | if ( myZLayers.NbStructures() <= 0 ) |
1223 | return; | |
2166f0fa SK |
1224 | |
1225 | glPushAttrib ( GL_DEPTH_BUFFER_BIT ); | |
1226 | ||
1227 | const OpenGl_AspectLine *aspect_line = AWorkspace->AspectLine( Standard_True ); | |
1228 | ||
1229 | //TsmPushAttri(); /* save previous graphics context */ | |
1230 | ||
1231 | if ( (AWorkspace->NamedStatus & OPENGL_NS_2NDPASSNEED) == 0 ) | |
1232 | { | |
1233 | const int antiAliasingMode = AWorkspace->GetDisplay()->AntiAliasingMode(); | |
1234 | ||
1235 | if ( !myAntiAliasing ) | |
1236 | { | |
1237 | glDisable(GL_POINT_SMOOTH); | |
1238 | glDisable(GL_LINE_SMOOTH); | |
1239 | if( antiAliasingMode & 2 ) glDisable(GL_POLYGON_SMOOTH); | |
1240 | glBlendFunc (GL_ONE, GL_ZERO); | |
1241 | glDisable (GL_BLEND); | |
1242 | } | |
1243 | else | |
1244 | { | |
1245 | glEnable(GL_POINT_SMOOTH); | |
1246 | glEnable(GL_LINE_SMOOTH); | |
1247 | if( antiAliasingMode & 2 ) glEnable(GL_POLYGON_SMOOTH); | |
1248 | glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); | |
1249 | glEnable (GL_BLEND); | |
1250 | } | |
1251 | } | |
1252 | ||
59f45b7c | 1253 | myZLayers.Render (AWorkspace); |
2166f0fa SK |
1254 | |
1255 | //TsmPopAttri(); /* restore previous graphics context; before update lights */ | |
1256 | ||
1257 | if ( AWorkspace->DegenerateModel > 1 ) | |
1258 | { | |
1259 | glLineWidth ( aspect_line->Width() ); | |
1260 | if ( aspect_line->Type() != Aspect_TOL_SOLID ) glEnable ( GL_LINE_STIPPLE ); | |
1261 | } | |
1262 | ||
1263 | glPopAttrib (); | |
1264 | } | |
1265 | ||
1266 | /*----------------------------------------------------------------------*/ | |
1267 | ||
1268 | //call_togl_redraw_layer2d | |
1269 | void OpenGl_View::RedrawLayer2d (const Handle(OpenGl_Workspace) &AWorkspace, const Graphic3d_CView& ACView, const Aspect_CLayer2d& ACLayer) | |
1270 | { | |
1271 | if (&ACLayer == NULL | |
1272 | || ACLayer.ptrLayer == NULL | |
1273 | || ACLayer.ptrLayer->listIndex == 0) return; | |
1274 | ||
529afc1a K |
1275 | GLsizei dispWidth = (GLsizei )ACLayer.viewport[0]; |
1276 | GLsizei dispHeight = (GLsizei )ACLayer.viewport[1]; | |
2166f0fa SK |
1277 | |
1278 | const GLboolean isl = glIsEnabled(GL_LIGHTING); /*OCC6247*/ | |
1279 | if (isl) | |
1280 | glDisable(GL_LIGHTING); /*OCC6247*/ | |
1281 | ||
1282 | /* | |
1283 | * On positionne la projection | |
1284 | */ | |
1285 | glMatrixMode( GL_MODELVIEW ); | |
1286 | glPushMatrix (); | |
1287 | glLoadIdentity (); | |
1288 | ||
1289 | glMatrixMode (GL_PROJECTION); | |
1290 | glPushMatrix (); | |
1291 | glLoadIdentity (); | |
1292 | ||
1293 | if (!ACLayer.sizeDependent) | |
1294 | glViewport (0, 0, dispWidth, dispHeight); | |
1295 | ||
1296 | float left = ACLayer.ortho[0]; | |
1297 | float right = ACLayer.ortho[1]; | |
1298 | float bottom = ACLayer.ortho[2]; | |
1299 | float top = ACLayer.ortho[3]; | |
1300 | ||
1301 | int attach = ACLayer.attach; | |
1302 | ||
1303 | float ratio; | |
1304 | if (!ACLayer.sizeDependent) | |
1305 | ratio = (float) dispWidth/dispHeight; | |
1306 | else | |
1307 | ratio = ACView.DefWindow.dx/ACView.DefWindow.dy; | |
1308 | ||
1309 | float delta; | |
1310 | if (ratio >= 1.0) { /* fenetre horizontale */ | |
1311 | delta = (float )((top - bottom)/2.0); | |
1312 | switch (attach) { | |
1313 | case 0: /* Aspect_TOC_BOTTOM_LEFT */ | |
1314 | top = bottom + 2*delta/ratio; | |
1315 | break; | |
1316 | case 1: /* Aspect_TOC_BOTTOM_RIGHT */ | |
1317 | top = bottom + 2*delta/ratio; | |
1318 | break; | |
1319 | case 2: /* Aspect_TOC_TOP_LEFT */ | |
1320 | bottom = top - 2*delta/ratio; | |
1321 | break; | |
1322 | case 3: /* Aspect_TOC_TOP_RIGHT */ | |
1323 | bottom = top - 2*delta/ratio; | |
1324 | break; | |
1325 | } | |
1326 | } | |
1327 | else { /* fenetre verticale */ | |
1328 | delta = (float )((right - left)/2.0); | |
1329 | switch (attach) { | |
1330 | case 0: /* Aspect_TOC_BOTTOM_LEFT */ | |
1331 | right = left + 2*delta*ratio; | |
1332 | break; | |
1333 | case 1: /* Aspect_TOC_BOTTOM_RIGHT */ | |
1334 | left = right - 2*delta*ratio; | |
1335 | break; | |
1336 | case 2: /* Aspect_TOC_TOP_LEFT */ | |
1337 | right = left + 2*delta*ratio; | |
1338 | break; | |
1339 | case 3: /* Aspect_TOC_TOP_RIGHT */ | |
1340 | left = right - 2*delta*ratio; | |
1341 | break; | |
1342 | } | |
1343 | } | |
1344 | ||
1345 | #ifdef WNT | |
1346 | // Check printer context that exists only for print operation | |
1347 | OpenGl_PrinterContext* aPrinterContext = OpenGl_PrinterContext::GetPrinterContext (AWorkspace->GetGContext()); | |
1348 | ||
1349 | if (aPrinterContext) | |
1350 | { | |
1351 | // additional transformation matrix could be applied to | |
1352 | // render only those parts of viewport that will be | |
1353 | // passed to a printer as a current "frame" to provide | |
1354 | // tiling; scaling of graphics by matrix helps render a | |
1355 | // part of a view (frame) in same viewport, but with higher | |
1356 | // resolution | |
1357 | GLfloat aProjMatrix[16]; | |
1358 | aPrinterContext->GetProjTransformation (aProjMatrix); | |
1359 | glLoadMatrixf ((GLfloat*) aProjMatrix); | |
1360 | ||
1361 | // printing operation also assumes other viewport dimension | |
1362 | // to comply with transformation matrix or graphics scaling | |
1363 | // factors for tiling for layer redraw | |
1364 | GLsizei anViewportX = 0; | |
1365 | GLsizei anViewportY = 0; | |
1366 | aPrinterContext->GetLayerViewport (anViewportX, anViewportY); | |
1367 | if (anViewportX != 0 && anViewportY != 0) | |
1368 | glViewport (0, 0, anViewportX, anViewportY); | |
1369 | } | |
1370 | #endif | |
1371 | ||
1372 | glOrtho (left, right, bottom, top, -1.0, 1.0); | |
1373 | ||
1374 | /* | |
1375 | * On trace la display-list associee au layer. | |
1376 | */ | |
1377 | glPushAttrib ( | |
1378 | GL_LIGHTING_BIT | GL_LINE_BIT | GL_POLYGON_BIT | | |
1379 | GL_DEPTH_BUFFER_BIT | GL_CURRENT_BIT | GL_TEXTURE_BIT ); | |
1380 | glDisable (GL_DEPTH_TEST); | |
1381 | glCallList (ACLayer.ptrLayer->listIndex); | |
1382 | ||
1383 | //calling dynamic render of LayerItems | |
1384 | if ( ACLayer.ptrLayer->layerData ) | |
1385 | { | |
1386 | InitLayerProp(ACLayer.ptrLayer->listIndex); | |
1387 | ((Visual3d_Layer*)ACLayer.ptrLayer->layerData)->RenderLayerItems(); | |
1388 | InitLayerProp(0); | |
1389 | } | |
1390 | ||
1391 | glPopAttrib (); | |
1392 | ||
1393 | /* | |
1394 | * On retire la projection | |
1395 | */ | |
1396 | glMatrixMode (GL_PROJECTION); | |
1397 | glPopMatrix (); | |
1398 | ||
1399 | glMatrixMode( GL_MODELVIEW ); | |
1400 | glPopMatrix (); | |
1401 | ||
1402 | /* | |
1403 | * Restauration du Viewport en cas de modification | |
1404 | */ | |
1405 | if (!ACLayer.sizeDependent) | |
1406 | glViewport (0, 0, (GLsizei) ACView.DefWindow.dx, (GLsizei) ACView.DefWindow.dy); | |
1407 | ||
1408 | glFlush (); | |
1409 | ||
1410 | if (isl) | |
1411 | glEnable(GL_LIGHTING); /*OCC6247*/ | |
1412 | } | |
1413 | ||
1414 | /*----------------------------------------------------------------------*/ | |
1415 | ||
1416 | //call_togl_create_bg_texture | |
1417 | void OpenGl_View::CreateBackgroundTexture (const Standard_CString AFileName, const Aspect_FillMethod AFillStyle) | |
1418 | { | |
1419 | // Delete existing texture | |
1420 | if ( myBgTexture.TexId != 0 ) | |
1421 | { | |
1422 | glDeleteTextures( 1, (GLuint*)&(myBgTexture.TexId) ); | |
1423 | myBgTexture.TexId = 0; | |
1424 | } | |
1425 | ||
1426 | Standard_Integer width, height; | |
1427 | Handle(Image_Image) image; | |
1428 | if ( AlienImage::LoadImageFile( AFileName, image, width, height ) ) | |
1429 | { | |
1430 | const int nbbytes = width * height * 3; | |
1431 | GLubyte *data = new GLubyte[nbbytes]; | |
1432 | GLubyte *pdata = data; | |
1433 | Standard_Integer i, j; | |
1434 | for ( j = height - 1; j >= 0; j-- ) | |
1435 | for ( i = 0; i < width; i++ ) | |
1436 | { | |
1437 | const Quantity_Color &color = image->PixelColor( i, j ); | |
1438 | *pdata++ = (GLubyte)( 255 * color.Red() ); | |
1439 | *pdata++ = (GLubyte)( 255 * color.Green() ); | |
1440 | *pdata++ = (GLubyte)( 255 * color.Blue() ); | |
1441 | } | |
1442 | ||
1443 | GLuint texture = 0; | |
1444 | glGenTextures( 1, &texture ); | |
1445 | glBindTexture( GL_TEXTURE_2D, texture ); | |
1446 | ||
1447 | /* Create MipMapped Texture */ | |
1448 | glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT ); | |
1449 | glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT ); | |
1450 | glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR ); | |
1451 | glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_NEAREST); | |
1452 | ||
1453 | gluBuild2DMipmaps( GL_TEXTURE_2D, 3/*4*/, width, height, GL_RGB, GL_UNSIGNED_BYTE, data ); | |
1454 | ||
1455 | delete[] data; | |
1456 | ||
1457 | myBgTexture.TexId = texture; | |
1458 | myBgTexture.Width = width; | |
1459 | myBgTexture.Height = height; | |
f8b2ed36 | 1460 | myBgTexture.Style = AFillStyle; |
2166f0fa SK |
1461 | } |
1462 | } | |
1463 | ||
1464 | /*----------------------------------------------------------------------*/ | |
1465 | ||
1466 | //call_togl_set_bg_texture_style | |
1467 | void OpenGl_View::SetBackgroundTextureStyle (const Aspect_FillMethod AFillStyle) | |
1468 | { | |
f8b2ed36 | 1469 | myBgTexture.Style = AFillStyle; |
2166f0fa SK |
1470 | } |
1471 | ||
1472 | /*----------------------------------------------------------------------*/ | |
1473 | ||
1474 | //call_togl_gradient_background | |
1475 | void OpenGl_View::SetBackgroundGradient (const Quantity_Color& AColor1, | |
1476 | const Quantity_Color& AColor2, | |
1477 | const Aspect_GradientFillMethod AType) | |
1478 | { | |
1479 | Standard_Real R,G,B; | |
1480 | AColor1.Values( R, G, B, Quantity_TOC_RGB ); | |
1481 | myBgGradient.color1.rgb[0] = ( Tfloat )R; | |
1482 | myBgGradient.color1.rgb[1] = ( Tfloat )G; | |
1483 | myBgGradient.color1.rgb[2] = ( Tfloat )B; | |
1484 | myBgGradient.color1.rgb[3] = 0.F; | |
1485 | ||
1486 | AColor2.Values( R, G, B, Quantity_TOC_RGB ); | |
1487 | myBgGradient.color2.rgb[0] = ( Tfloat )R; | |
1488 | myBgGradient.color2.rgb[1] = ( Tfloat )G; | |
1489 | myBgGradient.color2.rgb[2] = ( Tfloat )B; | |
1490 | myBgGradient.color2.rgb[3] = 0.F; | |
1491 | ||
1492 | myBgGradient.type = AType; | |
1493 | } | |
1494 | ||
1495 | /*----------------------------------------------------------------------*/ | |
1496 | ||
1497 | //call_togl_set_gradient_type | |
1498 | void OpenGl_View::SetBackgroundGradientType (const Aspect_GradientFillMethod AType) | |
1499 | { | |
f8b2ed36 | 1500 | myBgGradient.type = AType; |
2166f0fa SK |
1501 | } |
1502 | ||
59f45b7c | 1503 | //======================================================================= |
1504 | //function : AddZLayer | |
1505 | //purpose : | |
1506 | //======================================================================= | |
1507 | ||
1508 | void OpenGl_View::AddZLayer (const Standard_Integer theLayerId) | |
1509 | { | |
1510 | myZLayers.AddLayer (theLayerId); | |
1511 | } | |
1512 | ||
1513 | //======================================================================= | |
1514 | //function : RemoveZLayer | |
1515 | //purpose : | |
1516 | //======================================================================= | |
1517 | ||
1518 | void OpenGl_View::RemoveZLayer (const Standard_Integer theLayerId) | |
1519 | { | |
1520 | myZLayers.RemoveLayer (theLayerId); | |
1521 | } | |
1522 | ||
1523 | //======================================================================= | |
1524 | //function : DisplayStructure | |
1525 | //purpose : | |
1526 | //======================================================================= | |
1527 | ||
1528 | void OpenGl_View::DisplayStructure (const OpenGl_Structure *theStructure, | |
1529 | const Standard_Integer thePriority) | |
1530 | { | |
1531 | Standard_Integer aZLayer = theStructure->GetZLayer (); | |
1532 | myZLayers.AddStructure (theStructure, aZLayer, thePriority); | |
1533 | } | |
1534 | ||
1535 | //======================================================================= | |
1536 | //function : EraseStructure | |
1537 | //purpose : | |
1538 | //======================================================================= | |
1539 | ||
1540 | void OpenGl_View::EraseStructure (const OpenGl_Structure *theStructure) | |
1541 | { | |
1542 | Standard_Integer aZLayer = theStructure->GetZLayer (); | |
1543 | myZLayers.RemoveStructure (theStructure, aZLayer); | |
1544 | } | |
1545 | ||
1546 | //======================================================================= | |
1547 | //function : ChangeZLayer | |
1548 | //purpose : | |
1549 | //======================================================================= | |
1550 | ||
1551 | void OpenGl_View::ChangeZLayer (const OpenGl_Structure *theStructure, | |
1552 | const Standard_Integer theNewLayerId) | |
1553 | { | |
1554 | Standard_Integer anOldLayer = theStructure->GetZLayer (); | |
1555 | myZLayers.ChangeLayer (theStructure, anOldLayer, theNewLayerId); | |
1556 | } |