| Geant4 Cross Reference |
1 // Copyright (C) 2010, Guy Barrand. All rights 1 // Copyright (C) 2010, Guy Barrand. All rights reserved.
2 // See the file tools.license for terms. 2 // See the file tools.license for terms.
3 3
4 #ifndef tools_sg_tex_rect 4 #ifndef tools_sg_tex_rect
5 #define tools_sg_tex_rect 5 #define tools_sg_tex_rect
6 6
7 // node to render an RGB tools::img_byte with 7 // node to render an RGB tools::img_byte with ::glTexImage2D.
8 8
9 //#define TOOLS_SG_TEX_RECT_DEBUG 9 //#define TOOLS_SG_TEX_RECT_DEBUG
10 10
11 #include "node" 11 #include "node"
12 #include "render_action" 12 #include "render_action"
13 #include "pick_action" 13 #include "pick_action"
14 #include "bbox_action" 14 #include "bbox_action"
15 #include "event_action" 15 #include "event_action"
16 #include "render_manager" 16 #include "render_manager"
17 #include "gstos" 17 #include "gstos"
18 #include "base_tex" 18 #include "base_tex"
19 19
20 #include "../pointer" 20 #include "../pointer"
21 #include "../num2s" 21 #include "../num2s"
22 22
23 namespace tools { 23 namespace tools {
24 namespace sg { 24 namespace sg {
25 25
26 class tex_rect : public node, public gstos, pu 26 class tex_rect : public node, public gstos, public base_tex {
27 TOOLS_NODE_NO_CAST(tex_rect,tools::sg::tex_r 27 TOOLS_NODE_NO_CAST(tex_rect,tools::sg::tex_rect,node)
28 public: 28 public:
29 virtual void* cast(const std::string& a_clas 29 virtual void* cast(const std::string& a_class) const {
30 {if(void* p = cmp_cast<tex_rect>(this,a_cl 30 {if(void* p = cmp_cast<tex_rect>(this,a_class)) return p;}
31 {if(void* p = base_tex::cast(a_class)) ret 31 {if(void* p = base_tex::cast(a_class)) return p;}
32 return parent::cast(a_class); 32 return parent::cast(a_class);
33 } 33 }
34 public: 34 public:
35 sf<bool> show_border; 35 sf<bool> show_border;
36 sf<float> height; 36 sf<float> height;
37 public: 37 public:
38 virtual const desc_fields& node_desc_fields( 38 virtual const desc_fields& node_desc_fields() const {
39 TOOLS_FIELD_DESC_NODE_CLASS(tools::sg::tex 39 TOOLS_FIELD_DESC_NODE_CLASS(tools::sg::tex_rect)
40 static const desc_fields s_v(parent::node_ 40 static const desc_fields s_v(parent::node_desc_fields(),6, //WARNING : take care of count.
41 TOOLS_ARG_FIELD_DESC(img), 41 TOOLS_ARG_FIELD_DESC(img),
42 TOOLS_ARG_FIELD_DESC(back_color), 42 TOOLS_ARG_FIELD_DESC(back_color),
43 TOOLS_ARG_FIELD_DESC(expand), 43 TOOLS_ARG_FIELD_DESC(expand),
44 TOOLS_ARG_FIELD_DESC(limit), 44 TOOLS_ARG_FIELD_DESC(limit),
45 TOOLS_ARG_FIELD_DESC(show_border), 45 TOOLS_ARG_FIELD_DESC(show_border),
46 TOOLS_ARG_FIELD_DESC(height) 46 TOOLS_ARG_FIELD_DESC(height)
47 ); 47 );
48 return s_v; 48 return s_v;
49 } 49 }
50 private: 50 private:
51 void add_fields(){ 51 void add_fields(){
52 add_field(&img); 52 add_field(&img);
53 add_field(&back_color); 53 add_field(&back_color);
54 add_field(&expand); 54 add_field(&expand);
55 add_field(&limit); 55 add_field(&limit);
56 add_field(&show_border); 56 add_field(&show_border);
57 add_field(&height); 57 add_field(&height);
58 } 58 }
59 public: 59 public:
60 virtual void render(render_action& a_action) 60 virtual void render(render_action& a_action) {
61 #ifdef TOOLS_SG_TEX_RECT_DEBUG 61 #ifdef TOOLS_SG_TEX_RECT_DEBUG
62 a_action.out() << "tools::tex_rect::render 62 a_action.out() << "tools::tex_rect::render : begin : 001 : " << std::endl;
63 #endif 63 #endif
64 64
65 //NOTE : we draw border (show_border is tr 65 //NOTE : we draw border (show_border is true) and background even if
66 // gen_texture() failed. 66 // gen_texture() failed.
67 67
68 if(touched()) { 68 if(touched()) {
69 #ifdef TOOLS_SG_TEX_RECT_DEBUG 69 #ifdef TOOLS_SG_TEX_RECT_DEBUG
70 a_action.out() << "tools::tex_rect::rend 70 a_action.out() << "tools::tex_rect::render : touched." << std::endl;
71 #endif 71 #endif
72 update_sg(a_action.out()); 72 update_sg(a_action.out());
73 reset_touched(); 73 reset_touched();
74 } 74 }
75 if(m_img.is_empty()) { 75 if(m_img.is_empty()) {
76 #ifdef TOOLS_SG_TEX_RECT_DEBUG 76 #ifdef TOOLS_SG_TEX_RECT_DEBUG
77 a_action.out() << "tools::tex_rect::rend 77 a_action.out() << "tools::tex_rect::render : m_img is empty." << std::endl;
78 #endif 78 #endif
79 return; 79 return;
80 } 80 }
81 81
82 #ifdef TOOLS_SG_TEX_RECT_DEBUG 82 #ifdef TOOLS_SG_TEX_RECT_DEBUG
83 a_action.out() << "tools::tex_rect::render 83 a_action.out() << "tools::tex_rect::render : have a m_img. get_tex_id ..." << std::endl;
84 #endif 84 #endif
85 85
86 unsigned int _id = get_tex_id(a_action.out 86 unsigned int _id = get_tex_id(a_action.out(),a_action.render_manager(),m_img,nearest.value());
87 87
88 #ifdef TOOLS_SG_TEX_RECT_DEBUG 88 #ifdef TOOLS_SG_TEX_RECT_DEBUG
89 a_action.out() << "tools::tex_rect::render 89 a_action.out() << "tools::tex_rect::render : get_tex_id : " << _id << "." << std::endl;
90 #endif 90 #endif
91 91
92 const state& state = a_action.state(); 92 const state& state = a_action.state();
93 93
94 //image must be 2^n,2^m in size ! 94 //image must be 2^n,2^m in size !
95 // exa : 128x64 95 // exa : 128x64
96 96
97 f12 xyzs; 97 f12 xyzs;
98 98
99 if(show_border.value()) { 99 if(show_border.value()) {
100 #ifdef TOOLS_SG_TEX_RECT_DEBUG 100 #ifdef TOOLS_SG_TEX_RECT_DEBUG
101 a_action.out() << "tools::tex_rect::rend 101 a_action.out() << "tools::tex_rect::render : show_border." << std::endl;
102 #endif 102 #endif
103 f12 nms; 103 f12 nms;
104 _front(xyzs,nms,0.01f); 104 _front(xyzs,nms,0.01f);
105 105
106 a_action.color4f(1,0,0,1); 106 a_action.color4f(1,0,0,1);
107 a_action.line_width(4); 107 a_action.line_width(4);
108 108
109 a_action.draw_vertex_array(gl::line_loop 109 a_action.draw_vertex_array(gl::line_loop(),12,xyzs);
110 110
111 //pushes back the filled polygons to avo 111 //pushes back the filled polygons to avoid z-fighting with lines
112 a_action.set_polygon_offset(true); 112 a_action.set_polygon_offset(true);
113 113
114 a_action.color4f(state.m_color); 114 a_action.color4f(state.m_color);
115 a_action.line_width(state.m_line_width); 115 a_action.line_width(state.m_line_width);
116 } 116 }
117 117
118 #ifdef TOOLS_SG_TEX_RECT_DEBUG 118 #ifdef TOOLS_SG_TEX_RECT_DEBUG
119 a_action.out() << "tools::tex_rect::render 119 a_action.out() << "tools::tex_rect::render : draw back face." << std::endl;
120 #endif 120 #endif
121 121
122 //draw a back face pointing toward negativ 122 //draw a back face pointing toward negative z :
123 {a_action.color4f(back_color.value()); 123 {a_action.color4f(back_color.value());
124 f18 tris,nms; 124 f18 tris,nms;
125 _tris(tris,nms); 125 _tris(tris,nms);
126 a_action.draw_vertex_normal_array(gl::tria 126 a_action.draw_vertex_normal_array(gl::triangles(),18,tris,nms);
127 a_action.color4f(state.m_color);} 127 a_action.color4f(state.m_color);}
128 128
129 if(_id) { 129 if(_id) {
130 #ifdef TOOLS_SG_TEX_RECT_DEBUG 130 #ifdef TOOLS_SG_TEX_RECT_DEBUG
131 a_action.out() << "tools::tex_rect::rend 131 a_action.out() << "tools::tex_rect::render : draw_vertex_normal_array_texture." << std::endl;
132 #endif 132 #endif
133 f12 nms; 133 f12 nms;
134 _front(xyzs,nms); 134 _front(xyzs,nms);
135 float tcs[8]; 135 float tcs[8];
136 set_tcs(tcs); 136 set_tcs(tcs);
137 a_action.draw_vertex_normal_array_textur 137 a_action.draw_vertex_normal_array_texture(gl::triangle_fan(),12,xyzs,nms,_id,tcs);
138 } 138 }
139 a_action.set_polygon_offset(state.m_GL_POL 139 a_action.set_polygon_offset(state.m_GL_POLYGON_OFFSET_FILL);
140 } 140 }
141 virtual void pick(pick_action& a_action) { 141 virtual void pick(pick_action& a_action) {
142 if(touched()) { 142 if(touched()) {
143 update_sg(a_action.out()); 143 update_sg(a_action.out());
144 reset_touched(); 144 reset_touched();
145 } 145 }
146 if(m_img.is_empty()) return; 146 if(m_img.is_empty()) return;
147 f12 xyzs,nms; 147 f12 xyzs,nms;
148 _front(xyzs,nms); 148 _front(xyzs,nms);
149 a_action.add__primitive(*this,gl::triangle 149 a_action.add__primitive(*this,gl::triangle_fan(),12,xyzs,true);
150 } 150 }
151 151
152 virtual void bbox(bbox_action& a_action) { 152 virtual void bbox(bbox_action& a_action) {
153 if(touched()) { 153 if(touched()) {
154 update_sg(a_action.out()); 154 update_sg(a_action.out());
155 reset_touched(); 155 reset_touched();
156 } 156 }
157 if(m_img.is_empty()) return; 157 if(m_img.is_empty()) return;
158 f12 xyzs,nms; 158 f12 xyzs,nms;
159 _front(xyzs,nms); 159 _front(xyzs,nms);
160 a_action.add_points(12,xyzs); 160 a_action.add_points(12,xyzs);
161 } 161 }
162 public: 162 public:
163 virtual bool intersect_value(std::ostream&,i 163 virtual bool intersect_value(std::ostream&,intersect_type,const line<vec3f>& a_line,std::string& a_s) const {
164 // a_line is in local world coordinate. 164 // a_line is in local world coordinate.
165 165
166 const img_byte& _img = img.value(); 166 const img_byte& _img = img.value();
167 if(_img.is_empty()) {a_s.clear();return fa 167 if(_img.is_empty()) {a_s.clear();return false;}
168 168
169 float aspect = float(_img.width())/float(_ 169 float aspect = float(_img.width())/float(_img.height());
170 float h2 = height.value()*0.5f; 170 float h2 = height.value()*0.5f;
171 float w2 = aspect*h2; 171 float w2 = aspect*h2;
172 172
173 plane<vec3f> plane(vec3f(w2,h2,0),vec3f(-w 173 plane<vec3f> plane(vec3f(w2,h2,0),vec3f(-w2,h2,0),vec3f(-w2,-h2,0));
174 vec3f p; 174 vec3f p;
175 if(!plane.intersect(a_line,p)) {a_s.clear( 175 if(!plane.intersect(a_line,p)) {a_s.clear();return false;}
176 176
177 float imw = (float)_img.width(); 177 float imw = (float)_img.width();
178 float imh = (float)_img.height(); 178 float imh = (float)_img.height();
179 179
180 //image coordinates : 180 //image coordinates :
181 int ix = int((imw*p.x()/w2+imw)*0.5f); 181 int ix = int((imw*p.x()/w2+imw)*0.5f);
182 int iy = int((imh*p.y()/h2+imh)*0.5f); 182 int iy = int((imh*p.y()/h2+imh)*0.5f);
183 183
184 //rgb of pixel : 184 //rgb of pixel :
185 std::vector<unsigned char> pixel; 185 std::vector<unsigned char> pixel;
186 if((ix<0)||(iy<0)||!_img.pixel(ix,iy,pixel 186 if((ix<0)||(iy<0)||!_img.pixel(ix,iy,pixel)) {a_s.clear();return false;}
187 187
188 a_s.clear(); 188 a_s.clear();
189 for(unsigned int ipix=0;ipix<pixel.size(); 189 for(unsigned int ipix=0;ipix<pixel.size();ipix++) {
190 if(ipix) a_s += " "; 190 if(ipix) a_s += " ";
191 if(!numas<float>(float(pixel[ipix])/255. 191 if(!numas<float>(float(pixel[ipix])/255.0f,a_s)){}
192 } 192 }
193 193
194 return true; 194 return true;
195 } 195 }
196 public: 196 public:
197 tex_rect() 197 tex_rect()
198 :parent() 198 :parent()
199 ,base_tex() 199 ,base_tex()
200 ,show_border(false) 200 ,show_border(false)
201 ,height(1) 201 ,height(1)
202 { 202 {
203 add_fields(); 203 add_fields();
204 } 204 }
205 virtual ~tex_rect(){} 205 virtual ~tex_rect(){}
206 public: 206 public:
207 tex_rect(const tex_rect& a_from) 207 tex_rect(const tex_rect& a_from)
208 :parent(a_from) 208 :parent(a_from)
209 ,gstos(a_from) 209 ,gstos(a_from)
210 ,base_tex(a_from) 210 ,base_tex(a_from)
211 ,show_border(a_from.show_border) 211 ,show_border(a_from.show_border)
212 ,height(a_from.height) 212 ,height(a_from.height)
213 { 213 {
214 add_fields(); 214 add_fields();
215 } 215 }
216 tex_rect& operator=(const tex_rect& a_from){ 216 tex_rect& operator=(const tex_rect& a_from){
217 parent::operator=(a_from); 217 parent::operator=(a_from);
218 gstos::operator=(a_from); 218 gstos::operator=(a_from);
219 base_tex::operator=(a_from); 219 base_tex::operator=(a_from);
220 if(&a_from==this) return *this; 220 if(&a_from==this) return *this;
221 show_border = a_from.show_border; 221 show_border = a_from.show_border;
222 height = a_from.height; 222 height = a_from.height;
223 return *this; 223 return *this;
224 } 224 }
225 public: 225 public:
226 226
227 //const img_byte& rendered_img() const {retu 227 //const img_byte& rendered_img() const {return m_img;}
228 228
229 void rendered_size(std::ostream& a_out,unsig 229 void rendered_size(std::ostream& a_out,unsigned int& a_w,unsigned int& a_h) {
230 update_sg(a_out); 230 update_sg(a_out);
231 reset_touched(); 231 reset_touched();
232 a_w = m_img.width(); 232 a_w = m_img.width();
233 a_h = m_img.height(); 233 a_h = m_img.height();
234 } 234 }
235 235
236 protected: 236 protected:
237 //virtual //NOTE : virtual for diaporama nod 237 //virtual //NOTE : virtual for diaporama node. (but warning with clang -g4flags).
238 void update_sg(std::ostream& a_out) { 238 void update_sg(std::ostream& a_out) {
239 clean_gstos(); //must reset for all render 239 clean_gstos(); //must reset for all render_manager.
240 if(height.value()<=0) { 240 if(height.value()<=0) {
241 m_img.make_empty(); 241 m_img.make_empty();
242 return; 242 return;
243 } 243 }
244 base_tex::_update_sg_(a_out); 244 base_tex::_update_sg_(a_out);
245 } 245 }
246 protected: 246 protected:
247 247
248 typedef float f12[12]; 248 typedef float f12[12];
249 void _front(f12& front,f12& nms,float a_epsi 249 void _front(f12& front,f12& nms,float a_epsil = 0.0f) { //[12]
250 float aspect = float(img.value().width())/ 250 float aspect = float(img.value().width())/float(img.value().height());
251 float h2 = height*0.5f; 251 float h2 = height*0.5f;
252 float w2 = aspect*h2; 252 float w2 = aspect*h2;
253 253
254 h2 += a_epsil; 254 h2 += a_epsil;
255 w2 += a_epsil; 255 w2 += a_epsil;
256 256
257 front[0] = -w2; 257 front[0] = -w2;
258 front[1] = -h2; 258 front[1] = -h2;
259 front[2] = 0; 259 front[2] = 0;
260 260
261 front[3] = w2; 261 front[3] = w2;
262 front[4] = -h2; 262 front[4] = -h2;
263 front[5] = 0; 263 front[5] = 0;
264 264
265 front[6] = w2; 265 front[6] = w2;
266 front[7] = h2; 266 front[7] = h2;
267 front[8] = 0; 267 front[8] = 0;
268 268
269 front[ 9] = -w2; 269 front[ 9] = -w2;
270 front[10] = h2; 270 front[10] = h2;
271 front[11] = 0; 271 front[11] = 0;
272 272
273 nms[0] = 0; 273 nms[0] = 0;
274 nms[1] = 0; 274 nms[1] = 0;
275 nms[2] = 1; 275 nms[2] = 1;
276 276
277 nms[3] = 0; 277 nms[3] = 0;
278 nms[4] = 0; 278 nms[4] = 0;
279 nms[5] = 1; 279 nms[5] = 1;
280 280
281 nms[6] = 0; 281 nms[6] = 0;
282 nms[7] = 0; 282 nms[7] = 0;
283 nms[8] = 1; 283 nms[8] = 1;
284 284
285 nms[9] = 0; 285 nms[9] = 0;
286 nms[10] = 0; 286 nms[10] = 0;
287 nms[11] = 1; 287 nms[11] = 1;
288 } 288 }
289 289
290 void _back(f12& back) { //[12] 290 void _back(f12& back) { //[12]
291 float aspect = float(img.value().width())/ 291 float aspect = float(img.value().width())/float(img.value().height());
292 float h2 = height*0.5f; 292 float h2 = height*0.5f;
293 float w2 = aspect*h2; 293 float w2 = aspect*h2;
294 float d2 = 0; 294 float d2 = 0;
295 295
296 back[0] = w2;back[ 1] = -h2;back[ 2] = d2 296 back[0] = w2;back[ 1] = -h2;back[ 2] = d2;
297 back[3] = -w2;back[ 4] = -h2;back[ 5] = d2 297 back[3] = -w2;back[ 4] = -h2;back[ 5] = d2;
298 back[6] = -w2;back[ 7] = h2;back[ 8] = d2 298 back[6] = -w2;back[ 7] = h2;back[ 8] = d2;
299 back[9] = w2;back[10] = h2;back[11] = d2 299 back[9] = w2;back[10] = h2;back[11] = d2;
300 } 300 }
301 301
302 typedef float f18[18]; 302 typedef float f18[18];
303 void _tris(f18& tris,f18& nms){ 303 void _tris(f18& tris,f18& nms){
304 f12 back; 304 f12 back;
305 _back(back); 305 _back(back);
306 306
307 tris[0] = back[0]; 307 tris[0] = back[0];
308 tris[1] = back[1]; 308 tris[1] = back[1];
309 tris[2] = back[2]; 309 tris[2] = back[2];
310 310
311 tris[3] = back[3]; 311 tris[3] = back[3];
312 tris[4] = back[4]; 312 tris[4] = back[4];
313 tris[5] = back[5]; 313 tris[5] = back[5];
314 314
315 tris[6] = back[6]; 315 tris[6] = back[6];
316 tris[7] = back[7]; 316 tris[7] = back[7];
317 tris[8] = back[8]; 317 tris[8] = back[8];
318 // 318 //
319 tris[9] = back[6]; 319 tris[9] = back[6];
320 tris[10] = back[7]; 320 tris[10] = back[7];
321 tris[11] = back[8]; 321 tris[11] = back[8];
322 322
323 tris[12] = back[9]; 323 tris[12] = back[9];
324 tris[13] = back[10]; 324 tris[13] = back[10];
325 tris[14] = back[11]; 325 tris[14] = back[11];
326 326
327 tris[15] = back[0]; 327 tris[15] = back[0];
328 tris[16] = back[1]; 328 tris[16] = back[1];
329 tris[17] = back[2]; 329 tris[17] = back[2];
330 330
331 ///////////////////// back 331 ///////////////////// back
332 nms[0] = 0; 332 nms[0] = 0;
333 nms[1] = 0; 333 nms[1] = 0;
334 nms[2] = -1; 334 nms[2] = -1;
335 335
336 nms[3] = 0; 336 nms[3] = 0;
337 nms[4] = 0; 337 nms[4] = 0;
338 nms[5] = -1; 338 nms[5] = -1;
339 339
340 nms[6] = 0; 340 nms[6] = 0;
341 nms[7] = 0; 341 nms[7] = 0;
342 nms[8] = -1; 342 nms[8] = -1;
343 // 343 //
344 nms[9] = 0; 344 nms[9] = 0;
345 nms[10] = 0; 345 nms[10] = 0;
346 nms[11] = -1; 346 nms[11] = -1;
347 347
348 nms[12] = 0; 348 nms[12] = 0;
349 nms[13] = 0; 349 nms[13] = 0;
350 nms[14] = -1; 350 nms[14] = -1;
351 351
352 nms[15] = 0; 352 nms[15] = 0;
353 nms[16] = 0; 353 nms[16] = 0;
354 nms[17] = -1; 354 nms[17] = -1;
355 } 355 }
356 }; 356 };
357 357
358 }} 358 }}
359 359
360 #endif 360 #endif