| Geant4 Cross Reference |
1 // Copyright (C) 2010, Guy Barrand. All rights reserved.
2 // See the file tools.license for terms.
3
4 #ifndef tools_sg_gl2ps_action
5 #define tools_sg_gl2ps_action
6
7 #include "gl2ps_manager"
8 #include "../gl2ps"
9
10 #include "render_action"
11 #include "primitive_visitor"
12 #include "../colorfs"
13 #include "../lina/plane"
14
15 #include <cstdio> //FILE
16
17 namespace tools {
18 namespace sg {
19
20 class gl2ps_action : public render_action {
21 TOOLS_ACTION(gl2ps_action,tools::sg::gl2ps_action,render_action)
22 private:
23 gl2ps_action& get_me() {return *this;}
24
25 static unsigned int _GL2PS_POINT() {return 2;}
26 static unsigned int _GL2PS_LINE() {return 3;}
27 static unsigned int _GL2PS_TRIANGLE() {return 5;}
28 public:
29 virtual void draw_vertex_array(gl::mode_t a_mode,
30 size_t a_floatn,
31 const float* a_xyzs){
32 m_pv.add_primitive(a_mode,a_floatn,a_xyzs);
33 }
34
35 virtual void draw_vertex_array_xy(gl::mode_t a_mode,
36 size_t a_floatn,
37 const float* a_xys){
38 m_pv.add_primitive_xy(a_mode,a_floatn,a_xys);
39 }
40
41 virtual void draw_vertex_color_array(gl::mode_t a_mode,
42 size_t a_floatn,
43 const float* a_xyzs,
44 const float* a_rgbas){
45 m_pv.add_primitive_rgba(a_mode,a_floatn,a_xyzs,a_rgbas);
46 }
47
48 virtual void draw_vertex_normal_array(gl::mode_t a_mode,
49 size_t a_floatn,
50 const float* a_xyzs,
51 const float* a_nms){
52 m_pv.add_primitive_normal(a_mode,a_floatn,a_xyzs,a_nms);
53 }
54
55 virtual void draw_vertex_color_normal_array(gl::mode_t a_mode,
56 size_t a_floatn,
57 const float* a_xyzs,
58 const float* a_rgbas,
59 const float* a_nms){
60 // We expect a_nms of size : 3*(a_floatn/3)
61 // (then one normal per 3D point).
62 m_pv.add_primitive_normal_rgba(a_mode,a_floatn,a_xyzs,a_nms,a_rgbas);
63 }
64
65 virtual void clear_color(float a_r,float a_g,float a_b,float /*a_a*/){
66 //a_a ?
67 set_background(a_r,a_g,a_b);
68 }
69 virtual void color4f(float a_r,float a_g,float a_b,float a_a){
70 m_color.set_value(a_r,a_g,a_b,a_a);
71 }
72 virtual void line_width(float a_v){m_line_width = a_v;}
73 virtual void point_size(float a_v) {m_point_size = a_v;}
74 virtual void set_polygon_offset(bool a_v) {m_POLYGON_OFFSET_FILL = a_v;}
75 virtual void normal(float a_x,float a_y,float a_z) {
76 m_normal.set_value(a_x,a_y,a_z);
77 }
78
79 virtual void set_winding(winding_type a_v) {
80 m_ccw = (a_v==winding_ccw?true:false);
81 }
82
83 virtual void set_shade_model(shade_type a_v) {
84 if(a_v==shade_smooth) {}
85 else {}
86 }
87
88 virtual void set_depth_test(bool a_on) {m_DEPTH_TEST = a_on;}
89
90 virtual void set_cull_face(bool a_on) {m_CULL_FACE = a_on;}
91 virtual void set_point_smooth(bool a_on) {m_POINT_SMOOTH = a_on;}
92 virtual void set_line_smooth(bool a_on) {m_LINE_SMOOTH = a_on;}
93
94 virtual void load_proj_matrix(const mat4f& a_mtx) {m_proj = a_mtx;}
95 virtual void load_model_matrix(const mat4f& a_mtx) {
96 m_model = a_mtx;
97 set_normal_matrix();
98 }
99
100 virtual unsigned int max_lights() {return 1000;}
101
102 virtual void enable_light(unsigned int,
103 float a_dx,float a_dy,float a_dz,
104 float a_r,float a_g,float a_b,float a_a,
105 float a_ar,float a_ag,float a_ab,float a_aa){
106 m_light_color.set_value(a_r,a_g,a_b,a_a);
107 m_light_ambient.set_value(a_ar,a_ag,a_ab,a_aa);
108 m_light_direction.set_value(a_dx,a_dy,a_dz);
109 m_light_direction.normalize();
110 m_light_on = true;
111 }
112
113 virtual void set_lighting(bool a_on) {m_light_on = a_on;}
114 virtual void set_blend(bool) {}
115
116 virtual void restore_state(unsigned int /*a_ret_num_light*/) {
117 const sg::state& _state = state();
118 m_proj = _state.m_proj;
119 m_model = _state.m_model;
120 set_normal_matrix();
121
122 m_color = _state.m_color;
123 m_normal = _state.m_normal;
124
125 m_ccw = (_state.m_winding==winding_ccw?true:false);
126 m_POLYGON_OFFSET_FILL = _state.m_GL_POLYGON_OFFSET_FILL;
127 m_CULL_FACE = _state.m_GL_CULL_FACE;
128 m_POINT_SMOOTH = _state.m_GL_POINT_SMOOTH;
129 m_LINE_SMOOTH = _state.m_GL_LINE_SMOOTH;
130 m_point_size = _state.m_point_size;
131 m_line_width = _state.m_line_width;
132 m_light_on = _state.m_GL_LIGHTING;
133 m_DEPTH_TEST = _state.m_GL_DEPTH_TEST;
134 }
135
136 /////////////////////////////////////////////////////////////////
137 /// texture /////////////////////////////////////////////////////
138 /////////////////////////////////////////////////////////////////
139 virtual void draw_vertex_array_texture(gl::mode_t,size_t a_xyzn,const float* a_xyzs,
140 gstoid a_id,const float* a_tcs) {
141 img_byte img;
142 if(!m_mgr.find(a_id,img)) return;
143 m_pv.add_texture(m_out,a_xyzn,a_xyzs,img,a_tcs);
144 }
145
146 virtual void draw_vertex_normal_array_texture(gl::mode_t a_mode,
147 size_t a_xyzn,
148 const float* a_xyzs,
149 const float* /*a_nms*/,
150 gstoid a_id,
151 const float* a_tcs) {
152 draw_vertex_array_texture(a_mode,a_xyzn,a_xyzs,a_id,a_tcs);
153 }
154
155 /////////////////////////////////////////////////////////////////
156 /// VBO /////////////////////////////////////////////////////////
157 /////////////////////////////////////////////////////////////////
158 virtual void begin_gsto(gstoid) {}
159 virtual void draw_gsto_v(gl::mode_t,size_t,bufpos){}
160 virtual void draw_gsto_vc(gl::mode_t,size_t,bufpos,bufpos) {}
161 virtual void draw_gsto_vn(gl::mode_t,size_t,bufpos,bufpos) {}
162 virtual void draw_gsto_vcn(gl::mode_t,size_t,bufpos,bufpos,bufpos) {}
163 virtual void end_gsto() {}
164 /////////////////////////////////////////////////////////////////
165 /////////////////////////////////////////////////////////////////
166 /////////////////////////////////////////////////////////////////
167 virtual sg::render_manager& render_manager() {return m_mgr;}
168 public:
169 gl2ps_action(gl2ps_manager& a_mgr,std::ostream& a_out,unsigned int a_ww,unsigned int a_wh)
170 :parent(a_out,a_ww,a_wh)
171 ,m_mgr(a_mgr)
172 ,m_gl2ps_context(0)
173 ,m_FILE(0)
174 ,m_pv(get_me())
175 ,m_light_color(colorf_white())
176 ,m_light_ambient(colorf_black())
177 ,m_light_direction(vec3f(0,0,-1))
178
179 ,m_ccw(true)
180 ,m_POLYGON_OFFSET_FILL(false)
181 ,m_CULL_FACE(true)
182 ,m_POINT_SMOOTH(false)
183 ,m_LINE_SMOOTH(false)
184 ,m_point_size(1)
185 ,m_line_width(1)
186 ,m_light_on(false)
187 ,m_DEPTH_TEST(true)
188 {
189 m_back[0] = 1;
190 m_back[1] = 1;
191 m_back[2] = 1;
192
193 m_vp_mtx.set_identity();
194 m_vp_mtx.mul_translate(float(m_ww)/2,float(m_wh)/2,0);
195 m_vp_mtx.mul_scale(float(m_ww)/2,float(m_wh)/2,1);
196
197 //m_zb.change_size(a_ww,a_wh);
198 // m_zb.clear_color_buffer(0);
199 // m_zb.clear_depth_buffer();
200 m_proj.set_identity();
201 m_model.set_identity();
202 m_normal_matrix.set_identity();
203 }
204 virtual ~gl2ps_action(){
205 close();
206 }
207 protected:
208 gl2ps_action(const gl2ps_action& a_from)
209 :parent(a_from)
210 ,m_mgr(a_from.m_mgr)
211 ,m_gl2ps_context(0)
212 ,m_FILE(0)
213
214 ,m_vp_mtx(a_from.m_vp_mtx)
215 ,m_pv(a_from.m_pv)
216 ,m_light_color(a_from.m_light_color)
217 ,m_light_ambient(a_from.m_light_ambient)
218 ,m_light_direction(a_from.m_light_direction)
219 ,m_normal(a_from.m_normal)
220
221 ,m_proj(a_from.m_proj)
222 ,m_model(a_from.m_model)
223 ,m_normal_matrix(a_from.m_normal_matrix)
224 ,m_color(a_from.m_color)
225 ,m_ccw(a_from.m_ccw)
226 ,m_POLYGON_OFFSET_FILL(a_from.m_POLYGON_OFFSET_FILL)
227 ,m_CULL_FACE(a_from.m_CULL_FACE)
228 ,m_POINT_SMOOTH(a_from.m_POINT_SMOOTH)
229 ,m_LINE_SMOOTH(a_from.m_LINE_SMOOTH)
230 ,m_point_size(a_from.m_point_size)
231 ,m_line_width(a_from.m_line_width)
232 ,m_light_on(a_from.m_light_on)
233 ,m_DEPTH_TEST(a_from.m_DEPTH_TEST)
234 {
235 m_back[0] = a_from.m_back[0];
236 m_back[1] = a_from.m_back[1];
237 m_back[2] = a_from.m_back[2];
238 }
239 gl2ps_action& operator=(const gl2ps_action& a_from){
240 parent::operator=(a_from);
241 if(&a_from==this) return *this;
242 close();
243 m_back[0] = a_from.m_back[0];
244 m_back[1] = a_from.m_back[1];
245 m_back[2] = a_from.m_back[2];
246
247 m_vp_mtx = a_from.m_vp_mtx;
248 m_pv = a_from.m_pv;
249 m_light_color = a_from.m_light_color;
250 m_light_ambient = a_from.m_light_ambient;
251 m_light_direction = a_from.m_light_direction;
252 m_normal = a_from.m_normal;
253
254 m_proj = a_from.m_proj;
255 m_model = a_from.m_model;
256 m_normal_matrix = a_from.m_normal_matrix;
257 m_color = a_from.m_color;
258 m_ccw = a_from.m_ccw;
259 m_POLYGON_OFFSET_FILL = a_from.m_POLYGON_OFFSET_FILL;
260 m_CULL_FACE = a_from.m_CULL_FACE;
261 m_POINT_SMOOTH = a_from.m_POINT_SMOOTH;
262 m_LINE_SMOOTH = a_from.m_LINE_SMOOTH;
263 m_point_size = a_from.m_point_size;
264 m_line_width = a_from.m_line_width;
265 m_light_on = a_from.m_light_on;
266 m_DEPTH_TEST = a_from.m_DEPTH_TEST;
267 return *this;
268 }
269 public:
270 bool open(const std::string& a_name,int a_format = TOOLS_GL2PS_EPS) {
271 return open(a_name,a_format,-1,-1);
272 }
273 bool open(const std::string& a_name,int a_format,int a_sort,int a_options) {
274 close();
275
276 m_gl2ps_context = ::tools_gl2psCreateContext();
277 if(!m_gl2ps_context) {
278 m_out << "tools::sg::gl2ps_action::open :"
279 << " can't create gl2ps context."
280 << std::endl;
281 return false;
282 }
283
284 m_FILE = ::fopen(a_name.c_str(),"wb");
285 if(!m_FILE) {
286 m_out << "tools::sg::gl2ps_action::open :"
287 << " can't open file " << a_name << "."
288 << std::endl;
289 ::tools_gl2psDeleteContext(m_gl2ps_context);
290 m_gl2ps_context = 0;
291 return false;
292 }
293
294 int sort = 0;
295 if(a_sort==(-1)) {
296 sort = TOOLS_GL2PS_BSP_SORT;
297 } else {
298 sort = a_sort;
299 }
300
301 int options = 0;
302 if(a_options==(-1)) {
303 options = TOOLS_GL2PS_SILENT
304 | TOOLS_GL2PS_OCCLUSION_CULL
305 | TOOLS_GL2PS_BEST_ROOT
306 | TOOLS_GL2PS_DRAW_BACKGROUND;
307 } else {
308 options = a_options;
309 }
310
311 tools_GLint vp[4];
312 vp[0] = 0;
313 vp[1] = 0;
314 vp[2] = m_ww;
315 vp[3] = m_wh;
316
317 int bufsize = 0;
318 if(::tools_gl2psBeginPage(m_gl2ps_context,"","tools_sg_write_gl2ps",
319 vp,a_format,sort,options,
320 TOOLS_GL_RGBA,0, NULL,0,0,0,bufsize,
321 m_FILE,a_name.c_str())==TOOLS_GL2PS_ERROR) {
322 m_out << "tools::sg::gl2ps_action::open :"
323 << " tools_gl2psBeginPage() failed."
324 << std::endl;
325 ::fclose(m_FILE);
326 m_FILE = 0;
327 ::tools_gl2psDeleteContext(m_gl2ps_context);
328 m_gl2ps_context = 0;
329 return false;
330 }
331
332 ::tools_gl2psSetBackgroundColor(m_gl2ps_context,m_back[0],m_back[1],m_back[2]);
333
334 m_vp_mtx.set_identity();
335 m_vp_mtx.mul_translate(float(m_ww)/2,float(m_wh)/2,0);
336 m_vp_mtx.mul_scale(float(m_ww)/2,float(m_wh)/2,1);
337
338 return true;
339 }
340
341 bool close() {
342 tools_GLint _status = 0;
343 if(m_gl2ps_context) {
344 _status = ::tools_gl2psEndPage(m_gl2ps_context);
345 }
346 if(m_FILE) {
347 ::fclose(m_FILE);
348 m_FILE = 0;
349 }
350 if(m_gl2ps_context) {
351 ::tools_gl2psDeleteContext(m_gl2ps_context);
352 m_gl2ps_context = 0;
353 }
354 if (_status == TOOLS_GL2PS_OVERFLOW) return false;
355 return true;
356 }
357 void set_background(float a_r,float a_g,float a_b) {
358 m_back[0] = a_r;
359 m_back[1] = a_g;
360 m_back[2] = a_b;
361 }
362 protected:
363 void set_normal_matrix() {
364 mat4f tmp(m_model);
365 tmp.no_translate();
366 if(!tmp.invert(m_normal_matrix)) {
367 m_out << "tools::sg::gl2ps_action::set_normal_matrix : can't invert model matrix." << std::endl;
368 }
369 m_normal_matrix.transpose();
370 }
371
372 bool project_point(float& a_x,float& a_y,float& a_z,float& a_w) {
373 a_w = 1;
374 m_model.mul_4f(a_x,a_y,a_z,a_w);
375 m_proj.mul_4f(a_x,a_y,a_z,a_w);
376 if(a_w==0) return false;
377 a_x /= a_w;
378 a_y /= a_w;
379 a_z /= a_w;
380 return true;
381 }
382 // bool project_normal(float& a_x,float& a_y,float& a_z) {
383 // m_normal_matrix.mul_dir_3f(a_x,a_y,a_z);
384 // //m_proj.mul_dir_3f(a_x,a_y,a_z); //?
385 // return true;
386 // }
387
388 static void set_vtx(tools_GL2PSvertex* a_vs,unsigned int a_index,
389 float a_x,float a_y,float a_z,
390 float a_r,float a_g,float a_b,float a_a){
391 a_vs[a_index].xyz[0] = a_x;
392 a_vs[a_index].xyz[1] = a_y;
393 a_vs[a_index].xyz[2] = a_z;
394 a_vs[a_index].rgba[0] = a_r;
395 a_vs[a_index].rgba[1] = a_g;
396 a_vs[a_index].rgba[2] = a_b;
397 a_vs[a_index].rgba[3] = a_a;
398 }
399
400 class primvis : public primitive_visitor {
401 protected:
402 virtual bool project(float& a_x,float& a_y,float& a_z,float& a_w) {
403 return m_this.project_point(a_x,a_y,a_z,a_w);
404 }
405 virtual bool add_point(float a_x,float a_y,float a_z,float) {
406 if(!m_this.m_gl2ps_context) return false;
407
408 float r = m_this.m_color[0];
409 float g = m_this.m_color[1];
410 float b = m_this.m_color[2];
411 float a = m_this.m_color[3];
412
413 tools_GLint offset = 0;
414 tools_GLfloat ofactor = 0;
415 tools_GLfloat ounits = 0;
416 tools_GLushort pattern = 0;
417 tools_GLint factor = 0;
418 tools_GLfloat sz = m_this.m_point_size;
419 tools_GLint linecap = 0;
420 tools_GLint linejoin = 0;
421 char boundary = 0;
422
423 tools_GL2PSvertex vertices[1];
424
425 m_this.m_vp_mtx.mul_3f(a_x,a_y,a_z);
426
427 m_this.set_vtx(vertices,0, a_x,a_y,a_z, r,g,b,a);
428 ::tools_gl2psAddPolyPrimitive(m_this.m_gl2ps_context,_GL2PS_POINT(),1,vertices,offset,ofactor,ounits,pattern,factor,sz,linecap,linejoin,boundary);
429 return true;
430 }
431
432 virtual bool add_point(float a_x,float a_y,float a_z,float,
433 float a_r,float a_g,float a_b,float a_a) {
434 if(!m_this.m_gl2ps_context) return false;
435
436 tools_GLint offset = 0;
437 tools_GLfloat ofactor = 0;
438 tools_GLfloat ounits = 0;
439 tools_GLushort pattern = 0;
440 tools_GLint factor = 0;
441 tools_GLfloat sz = m_this.m_point_size;
442 tools_GLint linecap = 0;
443 tools_GLint linejoin = 0;
444 char boundary = 0;
445
446 tools_GL2PSvertex vertices[1];
447
448 m_this.m_vp_mtx.mul_3f(a_x,a_y,a_z);
449
450 m_this.set_vtx(vertices,0, a_x,a_y,a_z, a_r,a_g,a_b,a_a);
451
452 ::tools_gl2psAddPolyPrimitive(m_this.m_gl2ps_context,_GL2PS_POINT(),1,vertices,offset,ofactor,ounits,pattern,factor,sz,linecap,linejoin,boundary);
453 return true;
454 }
455
456 virtual bool add_line(float a_bx,float a_by,float a_bz,float,
457 float a_ex,float a_ey,float a_ez,float) {
458 if(!m_this.m_gl2ps_context) return false;
459
460 float r = m_this.m_color[0];
461 float g = m_this.m_color[1];
462 float b = m_this.m_color[2];
463 float a = m_this.m_color[3];
464
465 tools_GLint offset = 0;
466 tools_GLfloat ofactor = 0;
467 tools_GLfloat ounits = 0;
468 tools_GLushort pattern = 0;
469 tools_GLint factor = 0;
470 tools_GLfloat lwidth = m_this.m_line_width;
471 tools_GLint linecap = 0;
472 tools_GLint linejoin = 0;
473 char boundary = 0;
474
475 tools_GL2PSvertex vertices[2];
476
477 m_this.m_vp_mtx.mul_3f(a_bx,a_by,a_bz);
478 m_this.m_vp_mtx.mul_3f(a_ex,a_ey,a_ez);
479
480 m_this.set_vtx(vertices,0, a_bx,a_by,a_bz, r,g,b,a);
481 m_this.set_vtx(vertices,1, a_ex,a_ey,a_ez, r,g,b,a);
482
483 ::tools_gl2psAddPolyPrimitive(m_this.m_gl2ps_context,_GL2PS_LINE(),2,vertices,offset,ofactor,ounits,pattern,factor,lwidth,linecap,linejoin,boundary);
484
485 return true;
486 }
487
488 virtual bool add_line(float a_bx,float a_by,float a_bz,float,
489 float a_br,float a_bg,float a_bb,float a_ba,
490 float a_ex,float a_ey,float a_ez,float,
491 float a_er,float a_eg,float a_eb,float a_ea){
492 if(!m_this.m_gl2ps_context) return false;
493
494 tools_GLint offset = 0;
495 tools_GLfloat ofactor = 0;
496 tools_GLfloat ounits = 0;
497 tools_GLushort pattern = 0;
498 tools_GLint factor = 0;
499 tools_GLfloat lwidth = m_this.m_line_width;
500 tools_GLint linecap = 0;
501 tools_GLint linejoin = 0;
502 char boundary = 0;
503
504 tools_GL2PSvertex vertices[2];
505
506 m_this.m_vp_mtx.mul_3f(a_bx,a_by,a_bz);
507 m_this.m_vp_mtx.mul_3f(a_ex,a_ey,a_ez);
508
509 m_this.set_vtx(vertices,0, a_bx,a_by,a_bz, a_br,a_bg,a_bb,a_ba);
510 m_this.set_vtx(vertices,1, a_ex,a_ey,a_ez, a_er,a_eg,a_eb,a_ea);
511
512 //tools_gl2psAddPolyPrimitive(m_this.m_gl2ps_context,_GL2PS_LINE(),2,vertices,0,pattern,factor,lwidth,0);
513 ::tools_gl2psAddPolyPrimitive(m_this.m_gl2ps_context,_GL2PS_LINE(),2,vertices,offset,ofactor,ounits,pattern,factor,lwidth,linecap,linejoin,boundary);
514
515 return true;
516 }
517
518 virtual bool add_triangle(float a_p1x,float a_p1y,float a_p1z,float a_p1w,
519 float a_p2x,float a_p2y,float a_p2z,float a_p2w,
520 float a_p3x,float a_p3y,float a_p3z,float a_p3w){
521 float r = m_this.m_color[0];
522 float g = m_this.m_color[1];
523 float b = m_this.m_color[2];
524 float a = m_this.m_color[3];
525 return _add_triangle(a_p1x,a_p1y,a_p1z,a_p1w,
526 m_this.m_normal.x(),m_this.m_normal.y(),m_this.m_normal.z(),
527 r,g,b,a,
528 a_p2x,a_p2y,a_p2z,a_p2w,
529 m_this.m_normal.x(),m_this.m_normal.y(),m_this.m_normal.z(),
530 r,g,b,a,
531 a_p3x,a_p3y,a_p3z,a_p3w,
532 m_this.m_normal.x(),m_this.m_normal.y(),m_this.m_normal.z(),
533 r,g,b,a);
534 }
535
536 virtual bool add_triangle(
537 float a_p1x,float a_p1y,float a_p1z,float a_p1w,
538 float a_r1,float a_g1,float a_b1,float a_a1,
539 float a_p2x,float a_p2y,float a_p2z,float a_p2w,
540 float a_r2,float a_g2,float a_b2,float a_a2,
541 float a_p3x,float a_p3y,float a_p3z,float a_p3w,
542 float a_r3,float a_g3,float a_b3,float a_a3){
543
544 return _add_triangle(a_p1x,a_p1y,a_p1z,a_p1w,
545 m_this.m_normal.x(),m_this.m_normal.y(),m_this.m_normal.z(),
546 a_r1,a_g1,a_b1,a_a1,
547 a_p2x,a_p2y,a_p2z,a_p2w,
548 m_this.m_normal.x(),m_this.m_normal.y(),m_this.m_normal.z(),
549 a_r2,a_g2,a_b2,a_a2,
550 a_p3x,a_p3y,a_p3z,a_p3w,
551 m_this.m_normal.x(),m_this.m_normal.y(),m_this.m_normal.z(),
552 a_r3,a_g3,a_b3,a_a3);
553 }
554
555 virtual bool project_normal(float& /*a_x*/,float& /*a_y*/,float& /*a_z*/) {
556 //return m_this.project_normal(a_x,a_y,a_z);
557 return true;
558 }
559 virtual bool add_point_normal(float a_x,float a_y,float a_z,float a_w,
560 float /*a_nx*/,float /*a_ny*/,float /*a_nz*/) {
561 add_point(a_x,a_y,a_z,a_w);
562 //m_this.m_points.add_normal(a_nx,a_ny,a_nz);
563 return true;
564 }
565 virtual bool add_point_normal(float a_x,float a_y,float a_z,float a_w,
566 float /*a_nx*/,float /*a_ny*/,float /*a_nz*/,
567 float a_r,float a_g,float a_b,float a_a) {
568 add_point(a_x,a_y,a_z,a_w,a_r,a_g,a_b,a_a);
569 //m_this.m_points.add_normal(a_nx,a_ny,a_nz);
570 return true;
571 }
572 virtual bool add_line_normal(float a_bx,float a_by,float a_bz,float a_bw,
573 float /*a_bnx*/,float /*a_bny*/,float /*a_bnz*/,
574 float a_ex,float a_ey,float a_ez,float a_ew,
575 float /*a_enx*/,float /*a_eny*/,float /*a_enz*/) {
576 add_line(a_bx,a_by,a_bz,a_bw, a_ex,a_ey,a_ez,a_ew);
577 //m_this.m_lines.add_normal(a_bnx,a_bny,a_bnz);
578 //m_this.m_lines.add_normal(a_enx,a_eny,a_enz);
579 return true;
580 }
581 virtual bool add_line_normal(float a_bx,float a_by,float a_bz,float a_bw,
582 float /*a_bnx*/,float /*a_bny*/,float /*a_bnz*/,
583 float a_br,float a_bg,float a_bb,float a_ba,
584 float a_ex,float a_ey,float a_ez,float a_ew,
585 float /*a_enx*/,float /*a_eny*/,float /*a_enz*/,
586 float a_er,float a_eg,float a_eb,float a_ea){
587 add_line(a_bx,a_by,a_bz,a_bw, a_br,a_bg,a_bb,a_ba, a_ex,a_ey,a_ez,a_ew, a_er,a_eg,a_eb,a_ea);
588 //m_this.m_lines.add_normal(a_bnx,a_bny,a_bnz);
589 //m_this.m_lines.add_normal(a_enx,a_eny,a_enz);
590 return true;
591 }
592 virtual bool add_triangle_normal(
593 float a_p1x,float a_p1y,float a_p1z,float a_p1w,
594 float a_n1x,float a_n1y,float a_n1z,
595 float a_p2x,float a_p2y,float a_p2z,float a_p2w,
596 float a_n2x,float a_n2y,float a_n2z,
597 float a_p3x,float a_p3y,float a_p3z,float a_p3w,
598 float a_n3x,float a_n3y,float a_n3z) {
599
600 float r = m_this.m_color[0];
601 float g = m_this.m_color[1];
602 float b = m_this.m_color[2];
603 float a = m_this.m_color[3];
604
605 return _add_triangle(a_p1x,a_p1y,a_p1z,a_p1w,
606 a_n1x,a_n1y,a_n1z,
607 r,g,b,a,
608 a_p2x,a_p2y,a_p2z,a_p2w,
609 a_n2x,a_n2y,a_n2z,
610 r,g,b,a,
611 a_p3x,a_p3y,a_p3z,a_p3w,
612 a_n3x,a_n3y,a_n3z,
613 r,g,b,a);
614 }
615 virtual bool add_triangle_normal(
616 float a_p1x,float a_p1y,float a_p1z,float a_p1w,
617 float a_n1x,float a_n1y,float a_n1z,
618 float a_r1,float a_g1,float a_b1,float a_a1,
619 float a_p2x,float a_p2y,float a_p2z,float a_p2w,
620 float a_n2x,float a_n2y,float a_n2z,
621 float a_r2,float a_g2,float a_b2,float a_a2,
622 float a_p3x,float a_p3y,float a_p3z,float a_p3w,
623 float a_n3x,float a_n3y,float a_n3z,
624 float a_r3,float a_g3,float a_b3,float a_a3){
625 return _add_triangle(a_p1x,a_p1y,a_p1z,a_p1w,
626 a_n1x,a_n1y,a_n1z,
627 a_r1,a_g1,a_b1,a_a1,
628 a_p2x,a_p2y,a_p2z,a_p2w,
629 a_n2x,a_n2y,a_n2z,
630 a_r2,a_g2,a_b2,a_a2,
631 a_p3x,a_p3y,a_p3z,a_p3w,
632 a_n3x,a_n3y,a_n3z,
633 a_r3,a_g3,a_b3,a_a3);
634 }
635 public:
636 primvis(gl2ps_action& a_this):m_this(a_this){}
637 virtual ~primvis(){}
638 public:
639 primvis(const primvis& a_from)
640 :primitive_visitor(a_from)
641 ,m_this(a_from.m_this)
642 {}
643 primvis& operator=(const primvis& a_from){
644 primitive_visitor::operator=(a_from);
645 return *this;
646 }
647 protected:
648 bool _add_triangle(float a_p1x,float a_p1y,float a_p1z,float /*a_p1w*/,
649 float a_n1x,float a_n1y,float a_n1z,
650 float a_r1,float a_g1,float a_b1,float a_a1,
651 float a_p2x,float a_p2y,float a_p2z,float /*a_p2w*/,
652 float a_n2x,float a_n2y,float a_n2z,
653 float a_r2,float a_g2,float a_b2,float a_a2,
654 float a_p3x,float a_p3y,float a_p3z,float /*a_p3w*/,
655 float a_n3x,float a_n3y,float a_n3z,
656 float a_r3,float a_g3,float a_b3,float a_a3) {
657
658 if(!m_this.m_gl2ps_context) return false;
659
660 float p1x = a_p1x;float p1y = a_p1y;float p1z = a_p1z;//float p1w = a_p1w;
661 float p2x = a_p2x;float p2y = a_p2y;float p2z = a_p2z;//float p2w = a_p2w;
662 float p3x = a_p3x;float p3y = a_p3y;float p3z = a_p3z;//float p3w = a_p3w;
663
664 m_this.m_vp_mtx.mul_3f(p1x,p1y,p1z);
665 m_this.m_vp_mtx.mul_3f(p2x,p2y,p2z);
666 m_this.m_vp_mtx.mul_3f(p3x,p3y,p3z);
667
668 {plane<vec3f> pn(
669 vec3f(p1x,p1y,p1z),
670 vec3f(p2x,p2y,p2z),
671 vec3f(p3x,p3y,p3z)
672 );
673 if(!pn.is_valid()) return true;
674 float C = pn.normal()[2];
675 if(m_this.m_CULL_FACE){
676 if(m_this.m_ccw) {
677 if(C<=0) return true;
678 } else {
679 if(C>=0) return true;
680 }
681 }}
682
683 tools_GL2PSvertex vertices[3];
684
685 if(m_this.m_light_on) { // same logic as toolx/wasm/webgl.js:
686
687 float nx = (a_n1x+a_n2x+a_n3x)/3.0f;
688 float ny = (a_n1y+a_n2y+a_n3y)/3.0f;
689 float nz = (a_n1z+a_n2z+a_n3z)/3.0f;
690
691 m_this.m_normal_matrix.mul_dir_3f(nx,ny,nz);
692 vec3f _normal(nx,ny,nz);_normal.normalize();
693
694 float _dot = _normal.dot(m_this.m_light_direction);
695
696 float _r = (a_r1+a_r2+a_r3)/3.0f;
697 float _g = (a_g1+a_g2+a_g3)/3.0f;
698 float _b = (a_b1+a_b2+a_b3)/3.0f;
699 float _a = (a_a1+a_a2+a_a3)/3.0f;
700 colorf a_color(_r,_g,_b,_a);
701
702 colorf frag_color = a_color;
703
704 if(_dot<0.0) {
705 _dot *= -1.0;
706
707 colorf _tmp = m_this.m_light_color;
708 _tmp *= _dot;
709 _tmp += m_this.m_light_ambient;
710
711 frag_color *= _tmp;
712
713 } else {
714 frag_color *= m_this.m_light_ambient;
715 }
716
717 frag_color.clamp();
718 frag_color.set_a(a_color.a());
719
720 float r = frag_color.r();
721 float g = frag_color.g();
722 float b = frag_color.b();
723 float a = frag_color.a();
724
725 m_this.set_vtx(vertices,0, p1x,p1y,p1z, r,g,b,a);
726 m_this.set_vtx(vertices,1, p2x,p2y,p2z, r,g,b,a);
727 m_this.set_vtx(vertices,2, p3x,p3y,p3z, r,g,b,a);
728
729 } else {
730 m_this.set_vtx(vertices,0, p1x,p1y,p1z, a_r1,a_g1,a_b1,a_a1);
731 m_this.set_vtx(vertices,1, p2x,p2y,p2z, a_r2,a_g2,a_b2,a_a2);
732 m_this.set_vtx(vertices,2, p3x,p3y,p3z, a_r3,a_g3,a_b3,a_a3);
733
734 }
735
736 tools_GLint offset = 0;
737 tools_GLfloat ofactor = 0;
738 tools_GLfloat ounits = 0;
739 tools_GLushort pattern = 0;
740 tools_GLint factor = 0;
741 tools_GLfloat lwidth = m_this.m_line_width;
742 tools_GLint linecap = 0;
743 tools_GLint linejoin = 0;
744 char boundary = 0;
745
746 ::tools_gl2psAddPolyPrimitive(m_this.m_gl2ps_context,_GL2PS_TRIANGLE(),3,vertices,offset,ofactor,ounits,pattern,factor,lwidth,linecap,linejoin,boundary);
747
748 return true;
749 }
750 protected:
751 gl2ps_action& m_this;
752 };
753
754 protected:
755 gl2ps_manager& m_mgr;
756 tools_GL2PScontext* m_gl2ps_context;
757
758 FILE* m_FILE;
759 float m_back[3];
760 mat4f m_vp_mtx;
761 primvis m_pv;
762
763 colorf m_light_color;
764 colorf m_light_ambient;
765 vec3f m_light_direction;
766 vec3f m_normal;
767
768 // to be restored in restore_state() :
769 mat4f m_proj;
770 mat4f m_model;
771 mat4f m_normal_matrix;
772 colorf m_color;
773 bool m_ccw;
774 bool m_POLYGON_OFFSET_FILL;
775 bool m_CULL_FACE;
776 bool m_POINT_SMOOTH;
777 bool m_LINE_SMOOTH;
778 float m_point_size;
779 float m_line_width;
780 bool m_light_on;
781 bool m_DEPTH_TEST;
782 };
783
784 inline bool gl2ps_s2format(const std::string& a_format,int& a_gl2ps_format) {
785 if(a_format=="gl2ps_eps") {a_gl2ps_format = TOOLS_GL2PS_EPS;return true;}
786 if(a_format=="gl2ps_ps") {a_gl2ps_format = TOOLS_GL2PS_PS; return true;}
787 if(a_format=="gl2ps_pdf") {a_gl2ps_format = TOOLS_GL2PS_PDF;return true;}
788 if(a_format=="gl2ps_svg") {a_gl2ps_format = TOOLS_GL2PS_SVG;return true;}
789 if(a_format=="gl2ps_tex") {a_gl2ps_format = TOOLS_GL2PS_TEX;return true;}
790 if(a_format=="gl2ps_pgf") {a_gl2ps_format = TOOLS_GL2PS_PGF;return true;}
791 a_gl2ps_format = TOOLS_GL2PS_PS;
792 return false;
793 }
794
795 inline bool gl2ps_s2sort(const std::string& a_sort,int& a_gl2ps_sort) {
796 if(a_sort=="NO_SORT") {a_gl2ps_sort = TOOLS_GL2PS_NO_SORT; return true;}
797 if(a_sort=="SIMPLE_SORT") {a_gl2ps_sort = TOOLS_GL2PS_SIMPLE_SORT;return true;}
798 if(a_sort=="BSP_SORT") {a_gl2ps_sort = TOOLS_GL2PS_BSP_SORT; return true;}
799 a_gl2ps_sort = TOOLS_GL2PS_NO_SORT;
800 return false;
801 }
802
803 }}
804
805 #include "../words"
806 #include "../forit"
807 #include "../touplow"
808 #include "../sout"
809
810 namespace tools {
811 namespace sg {
812
813 inline bool gl2ps_s2options(const std::string& a_opts,int& a_gl2ps_opts) {
814 std::vector<std::string> opts;
815 words(a_opts,"|",false,opts);
816 a_gl2ps_opts = 0;
817 tools_vforit(std::string,opts,it) {
818 touppercase(*it);
819 const std::string& item = *it;
820 if(item=="NONE") a_gl2ps_opts |= TOOLS_GL2PS_NONE;
821 else if(item=="DRAW_BACKGROUND") a_gl2ps_opts |= TOOLS_GL2PS_DRAW_BACKGROUND;
822 else if(item=="SIMPLE_LINE_OFFSET") a_gl2ps_opts |= TOOLS_GL2PS_SIMPLE_LINE_OFFSET;
823 else if(item=="SILENT") a_gl2ps_opts |= TOOLS_GL2PS_SILENT;
824 else if(item=="BEST_ROOT") a_gl2ps_opts |= TOOLS_GL2PS_BEST_ROOT;
825 else if(item=="OCCLUSION_CULL") a_gl2ps_opts |= TOOLS_GL2PS_OCCLUSION_CULL;
826 else if(item=="NO_TEXT") a_gl2ps_opts |= TOOLS_GL2PS_NO_TEXT;
827 else if(item=="LANDSCAPE") a_gl2ps_opts |= TOOLS_GL2PS_LANDSCAPE;
828 else if(item=="NO_PS3_SHADING") a_gl2ps_opts |= TOOLS_GL2PS_NO_PS3_SHADING;
829 else if(item=="NO_PIXMAP") a_gl2ps_opts |= TOOLS_GL2PS_NO_PIXMAP;
830 else if(item=="USE_CURRENT_VIEWPORT") a_gl2ps_opts |= TOOLS_GL2PS_USE_CURRENT_VIEWPORT;
831 else if(item=="COMPRESS") a_gl2ps_opts |= TOOLS_GL2PS_COMPRESS;
832 else if(item=="NO_BLENDING") a_gl2ps_opts |= TOOLS_GL2PS_NO_BLENDING;
833 else if(item=="TIGHT_BOUNDING_BOX") a_gl2ps_opts |= TOOLS_GL2PS_TIGHT_BOUNDING_BOX;
834 else if(item=="NO_OPENGL_CONTEXT") a_gl2ps_opts |= TOOLS_GL2PS_NO_OPENGL_CONTEXT;
835 else if(item=="NO_TEX_FONTSIZE") a_gl2ps_opts |= TOOLS_GL2PS_NO_TEX_FONTSIZE;
836 else if(item=="PORTABLE_SORT") a_gl2ps_opts |= TOOLS_GL2PS_PORTABLE_SORT;
837 else {a_gl2ps_opts = 0;return false;}
838 }
839 return true;
840 }
841
842 }}
843
844
845 #endif