Mercurial > hg > octave-lyh
annotate src/graphics.cc @ 7526:52d58b0463ed
graphics.cc, graphics.h.in: avoid some GCC warnings
| author | John W. Eaton <jwe@octave.org> |
|---|---|
| date | Mon, 25 Feb 2008 04:12:19 -0500 |
| parents | f2000f1971ab |
| children | d219e712c20e |
| rev | line source |
|---|---|
| 6406 | 1 /* |
| 2 | |
| 3 Copyright (C) 2007 John W. Eaton | |
| 4 | |
| 5 This file is part of Octave. | |
| 6 | |
| 7 Octave is free software; you can redistribute it and/or modify it | |
| 8 under the terms of the GNU General Public License as published by the | |
| 7016 | 9 Free Software Foundation; either version 3 of the License, or (at your |
| 10 option) any later version. | |
| 6406 | 11 |
| 12 Octave is distributed in the hope that it will be useful, but WITHOUT | |
| 13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 15 for more details. | |
| 16 | |
| 17 You should have received a copy of the GNU General Public License | |
| 7016 | 18 along with Octave; see the file COPYING. If not, see |
| 19 <http://www.gnu.org/licenses/>. | |
| 6406 | 20 |
| 21 */ | |
| 22 | |
| 23 #ifdef HAVE_CONFIG_H | |
| 24 #include <config.h> | |
| 25 #endif | |
| 26 | |
| 27 #include <cctype> | |
| 7222 | 28 #include <cfloat> |
| 7286 | 29 #include <cstdlib> |
| 6406 | 30 |
| 31 #include <algorithm> | |
| 32 #include <list> | |
| 33 #include <map> | |
| 34 #include <set> | |
| 35 #include <string> | |
| 36 | |
| 7409 | 37 #include "file-ops.h" |
| 38 #include "file-stat.h" | |
| 39 | |
| 6705 | 40 #include "defun.h" |
| 41 #include "error.h" | |
| 6595 | 42 #include "graphics.h" |
| 7409 | 43 #include "input.h" |
| 6705 | 44 #include "ov.h" |
| 45 #include "oct-obj.h" | |
| 46 #include "oct-map.h" | |
| 47 #include "ov-fcn-handle.h" | |
| 48 #include "parse.h" | |
| 7409 | 49 #include "toplev.h" |
| 7222 | 50 #include "unwind-prot.h" |
| 6595 | 51 |
| 6406 | 52 static void |
| 53 gripe_set_invalid (const std::string& pname) | |
| 54 { | |
| 55 error ("set: invalid value for %s property", pname.c_str ()); | |
| 56 } | |
| 57 | |
| 7363 | 58 static Matrix |
| 59 jet_colormap (void) | |
| 60 { | |
| 61 Matrix cmap (64, 3, 0.0); | |
| 62 | |
| 63 for (octave_idx_type i = 0; i < 64; i++) | |
| 64 { | |
| 65 // This is the jet colormap. It would be nice to be able | |
| 66 // to feval the jet function but since there is a static | |
| 67 // property object that includes a colormap_property | |
| 68 // object, we need to initialize this before main is even | |
| 69 // called, so calling an interpreted function is not | |
| 70 // possible. | |
| 71 | |
| 72 double x = i / 63.0; | |
| 73 | |
| 74 if (x >= 3.0/8.0 && x < 5.0/8.0) | |
| 75 cmap(i,0) = 4.0 * x - 3.0/2.0; | |
| 76 else if (x >= 5.0/8.0 && x < 7.0/8.0) | |
| 77 cmap(i,0) = 1.0; | |
| 78 else if (x >= 7.0/8.0) | |
| 79 cmap(i,0) = -4.0 * x + 9.0/2.0; | |
| 80 | |
| 81 if (x >= 1.0/8.0 && x < 3.0/8.0) | |
| 82 cmap(i,1) = 4.0 * x - 1.0/2.0; | |
| 83 else if (x >= 3.0/8.0 && x < 5.0/8.0) | |
| 84 cmap(i,1) = 1.0; | |
| 85 else if (x >= 5.0/8.0 && x < 7.0/8.0) | |
| 86 cmap(i,1) = -4.0 * x + 7.0/2.0; | |
| 87 | |
| 88 if (x < 1.0/8.0) | |
| 89 cmap(i,2) = 4.0 * x + 1.0/2.0; | |
| 90 else if (x >= 1.0/8.0 && x < 3.0/8.0) | |
| 91 cmap(i,2) = 1.0; | |
| 92 else if (x >= 3.0/8.0 && x < 5.0/8.0) | |
| 93 cmap(i,2) = -4.0 * x + 5.0/2.0; | |
| 94 } | |
| 95 | |
| 96 return cmap; | |
| 97 } | |
| 98 | |
| 99 static Matrix | |
| 100 default_colororder (void) | |
| 101 { | |
| 102 Matrix retval (7, 3, 0.0); | |
| 103 | |
| 104 retval(0,2) = 1.0; | |
| 105 | |
| 106 retval(1,1) = 0.5; | |
| 107 | |
| 108 retval(2,0) = 1.0; | |
| 109 | |
| 110 retval(3,1) = 0.75; | |
| 111 retval(3,2) = 0.75; | |
| 112 | |
| 113 retval(4,0) = 0.75; | |
| 114 retval(4,2) = 0.75; | |
| 115 | |
| 116 retval(5,0) = 0.75; | |
| 117 retval(5,1) = 0.75; | |
| 118 | |
| 119 retval(6,0) = 0.25; | |
| 120 retval(6,1) = 0.25; | |
| 121 retval(6,2) = 0.25; | |
| 122 | |
| 123 return retval; | |
| 124 } | |
| 125 | |
| 126 static Matrix | |
| 127 default_lim (void) | |
| 128 { | |
| 129 Matrix m (1, 2, 0); | |
| 130 m(1) = 1; | |
| 131 return m; | |
| 132 } | |
| 133 | |
| 134 static Matrix | |
| 135 default_data (void) | |
| 136 { | |
| 137 Matrix retval (1, 2); | |
| 138 | |
| 139 retval(0) = 0; | |
| 140 retval(1) = 1; | |
| 141 | |
| 142 return retval; | |
| 143 } | |
| 144 | |
| 7427 | 145 static Matrix |
| 146 default_axes_position (void) | |
| 147 { | |
| 148 Matrix m (1, 4, 0.0); | |
| 149 m(0) = 0.13; | |
| 150 m(1) = 0.11; | |
| 151 m(2) = 0.775; | |
| 152 m(3) = 0.815; | |
| 153 return m; | |
| 154 } | |
| 155 | |
| 156 static Matrix | |
| 157 default_axes_outerposition (void) | |
| 158 { | |
| 159 Matrix m (1, 4, 0.0); | |
| 160 m(2) = m(3) = 1.0; | |
| 161 return m; | |
| 162 } | |
| 163 | |
| 7445 | 164 static Matrix |
| 165 default_figure_position (void) | |
| 166 { | |
| 167 Matrix m (1, 4, 0.0); | |
| 168 m(0) = 300; | |
| 169 m(1) = 200; | |
| 170 m(2) = 560; | |
| 171 m(3) = 420; | |
| 172 return m; | |
| 173 } | |
| 174 | |
| 7367 | 175 // NOTE: "cb" is passed by value, because "function_value" method |
| 176 // is non-const; passing "cb" by const-reference is not | |
| 177 // possible | |
| 178 | |
| 179 static void | |
| 180 execute_callback (octave_value cb, const graphics_handle& h, | |
| 181 const octave_value& data) | |
| 182 { | |
| 183 octave_value_list args; | |
| 184 octave_function *fcn = 0; | |
| 185 | |
| 186 args(0) = h.as_octave_value (); | |
| 187 args(1) = data; | |
| 188 | |
| 189 BEGIN_INTERRUPT_WITH_EXCEPTIONS; | |
| 190 | |
| 191 if (cb.is_function_handle ()) | |
| 192 fcn = cb.function_value (); | |
| 193 else if (cb.is_string ()) | |
| 194 { | |
| 195 std::string s = cb.string_value (); | |
| 196 octave_value f = symbol_table::find_function (s); | |
| 197 int status; | |
| 198 | |
| 199 if (f.is_defined ()) | |
| 200 fcn = f.function_value (); | |
| 201 else | |
| 202 { | |
| 203 eval_string (s, false, status); | |
| 204 return; | |
| 205 } | |
| 206 } | |
| 207 else if (cb.is_cell () && cb.length () > 0 | |
| 208 && (cb.rows () == 1 || cb.columns () == 1) | |
| 209 && cb.cell_value ()(0).is_function_handle ()) | |
| 210 { | |
| 211 Cell c = cb.cell_value (); | |
| 212 | |
| 213 fcn = c(0).function_value (); | |
| 214 if (! error_state) | |
| 215 { | |
| 216 for (int i = 0; i < c.length () ; i++) | |
| 217 args(2+i) = c(i); | |
| 218 } | |
| 219 } | |
| 220 else | |
| 7373 | 221 { |
| 222 std::string nm = cb.class_name (); | |
| 223 error ("trying to execute non-executable object (class = %s)", | |
| 224 nm.c_str ()); | |
| 225 } | |
| 7367 | 226 |
| 227 if (! error_state) | |
| 228 feval (fcn, args); | |
| 229 | |
| 230 END_INTERRUPT_WITH_EXCEPTIONS; | |
| 231 } | |
| 232 | |
| 7427 | 233 static Matrix |
| 234 convert_position (const Matrix& pos, const caseless_str& from_units, | |
| 235 const caseless_str& to_units, | |
| 236 const Matrix& parent_dim = Matrix (1, 2, 0.0), | |
| 237 const graphics_backend& backend = graphics_backend ()) | |
| 238 { | |
| 239 Matrix retval (1, 4); | |
| 240 double res = 0; | |
| 241 | |
| 242 if (from_units.compare ("pixels")) | |
| 243 retval = pos; | |
| 244 else if (from_units.compare ("normalized")) | |
| 245 { | |
| 246 retval(0) = pos(0) * parent_dim(0) + 1; | |
| 247 retval(1) = pos(1) * parent_dim(1) + 1; | |
| 248 retval(2) = pos(2) * parent_dim(0); | |
| 249 retval(3) = pos(3) * parent_dim(1); | |
| 250 } | |
| 251 else if (from_units.compare ("characters")) | |
| 252 { | |
| 253 // FIXME: implement this | |
| 254 } | |
| 255 else | |
| 256 { | |
| 257 res = backend.get_screen_resolution (); | |
| 258 | |
| 259 double f = 0.0; | |
| 260 | |
| 261 if (from_units.compare ("points")) | |
| 262 f = res / 72.0; | |
| 263 else if (from_units.compare ("inches")) | |
| 264 f = res; | |
| 265 else if (from_units.compare ("centimeters")) | |
| 266 f = res / 2.54; | |
| 267 | |
| 268 if (f > 0) | |
| 269 { | |
| 270 retval(0) = pos(0) * f + 1; | |
| 271 retval(1) = pos(1) * f + 1; | |
| 272 retval(2) = pos(2) * f; | |
| 273 retval(3) = pos(3) * f; | |
| 274 } | |
| 275 } | |
| 276 | |
| 277 if (! to_units.compare ("pixels")) | |
| 278 { | |
| 279 if (to_units.compare ("normalized")) | |
| 280 { | |
| 281 retval(0) = (retval(0) - 1) / parent_dim(0); | |
| 282 retval(1) = (retval(1) - 1) / parent_dim(1); | |
| 283 retval(2) /= parent_dim(0); | |
| 284 retval(3) /= parent_dim(1); | |
| 285 } | |
| 286 else if (to_units.compare ("characters")) | |
| 287 { | |
| 288 // FIXME: implement this | |
| 289 } | |
| 290 else | |
| 291 { | |
| 292 if (res <= 0) | |
| 293 res = backend.get_screen_resolution (); | |
| 294 | |
| 295 double f = 0.0; | |
| 296 | |
| 297 if (to_units.compare ("points")) | |
| 298 f = res / 72.0; | |
| 299 else if (to_units.compare ("inches")) | |
| 300 f = res; | |
| 301 else if (to_units.compare ("centimeters")) | |
| 302 f = res / 2.54; | |
| 303 | |
| 304 if (f > 0) | |
| 305 { | |
| 306 retval(0) = (retval(0) - 1) / f; | |
| 307 retval(1) = (retval(1) - 1) / f; | |
| 308 retval(2) /= f; | |
| 309 retval(3) /= f; | |
| 310 } | |
| 311 } | |
| 312 } | |
| 313 | |
| 314 return retval; | |
| 315 } | |
| 316 | |
| 6406 | 317 // --------------------------------------------------------------------- |
| 318 | |
| 6705 | 319 radio_values::radio_values (const std::string& opt_string) |
| 6406 | 320 { |
| 6705 | 321 size_t beg = 0; |
| 322 size_t len = opt_string.length (); | |
| 323 bool done = len == 0; | |
| 6681 | 324 |
| 6705 | 325 while (! done) |
| 326 { | |
| 327 size_t end = opt_string.find ('|', beg); | |
| 6681 | 328 |
| 6705 | 329 if (end == std::string::npos) |
| 330 { | |
| 331 end = len; | |
| 332 done = true; | |
| 333 } | |
| 6681 | 334 |
| 6705 | 335 std::string t = opt_string.substr (beg, end-beg); |
| 6681 | 336 |
| 6705 | 337 // Might want more error checking here... |
| 338 if (t[0] == '{') | |
| 339 { | |
| 340 t = t.substr (1, t.length () - 2); | |
| 341 default_val = t; | |
| 342 } | |
| 343 else if (beg == 0) // ensure default value | |
| 344 default_val = t; | |
| 6681 | 345 |
| 6705 | 346 possible_vals.insert (t); |
| 6681 | 347 |
| 6705 | 348 beg = end + 1; |
| 349 } | |
| 350 } | |
| 6681 | 351 |
| 6705 | 352 bool |
| 6761 | 353 color_values::str2rgb (std::string str) |
| 6681 | 354 { |
| 6705 | 355 double tmp_rgb[3] = {0, 0, 0}; |
| 356 bool retval = true; | |
| 6761 | 357 unsigned int len = str.length(); |
| 6681 | 358 |
| 6925 | 359 std::transform (str.begin (), str.end (), str.begin (), tolower); |
| 360 | |
| 6761 | 361 if (str.compare(0, len, "blue", 0, len) == 0) |
| 362 tmp_rgb[2] = 1; | |
| 6925 | 363 else if (str.compare(0, len, "black", 0, len) == 0 || |
| 364 str.compare(0, len, "k", 0, len) == 0) | |
| 6761 | 365 tmp_rgb[0] = tmp_rgb[1] = tmp_rgb[2] = 0; |
| 366 else if (str.compare(0, len, "red", 0, len) == 0) | |
| 367 tmp_rgb[0] = 1; | |
| 368 else if (str.compare(0, len, "green", 0, len) == 0) | |
| 369 tmp_rgb[1] = 1; | |
| 370 else if (str.compare(0, len, "yellow", 0, len) == 0) | |
| 371 tmp_rgb[0] = tmp_rgb[1] = 1; | |
| 372 else if (str.compare(0, len, "magenta", 0, len) == 0) | |
| 373 tmp_rgb[0] = tmp_rgb[2] = 1; | |
| 374 else if (str.compare(0, len, "cyan", 0, len) == 0) | |
| 375 tmp_rgb[1] = tmp_rgb[2] = 1; | |
| 6925 | 376 else if (str.compare(0, len, "white", 0, len) == 0 || |
| 377 str.compare(0, len, "w", 0, len) == 0) | |
| 6761 | 378 tmp_rgb[0] = tmp_rgb[1] = tmp_rgb[2] = 1; |
| 379 else | |
| 380 retval = false; | |
| 6406 | 381 |
| 6705 | 382 if (retval) |
| 383 { | |
| 384 for (int i = 0; i < 3; i++) | |
| 7363 | 385 xrgb(i) = tmp_rgb[i]; |
| 6705 | 386 } |
| 6563 | 387 |
| 6705 | 388 return retval; |
| 389 } | |
| 6681 | 390 |
| 7363 | 391 void |
| 392 color_property::set (const octave_value& val) | |
| 6790 | 393 { |
| 394 if (val.is_string ()) | |
| 395 { | |
| 396 std::string s = val.string_value (); | |
| 397 | |
| 398 if (! s.empty ()) | |
| 399 { | |
| 6898 | 400 if (radio_val.contains (s)) |
| 6790 | 401 { |
| 402 current_val = s; | |
| 403 current_type = radio_t; | |
| 404 } | |
| 405 else | |
| 406 { | |
| 407 color_values col (s); | |
| 408 if (! error_state) | |
| 409 { | |
| 410 color_val = col; | |
| 411 current_type = color_t; | |
| 412 } | |
| 413 else | |
| 7363 | 414 error ("invalid value for color property \"%s\" (value = %s)", |
| 415 get_name ().c_str (), s.c_str ()); | |
| 6790 | 416 } |
| 417 } | |
| 418 else | |
| 7363 | 419 error ("invalid value for color property \"%s\"", |
| 420 get_name ().c_str ()); | |
| 6790 | 421 } |
| 422 else if (val.is_real_matrix ()) | |
| 423 { | |
| 424 Matrix m = val.matrix_value (); | |
| 425 | |
| 426 if (m.numel () == 3) | |
| 427 { | |
| 428 color_values col (m (0), m (1), m(2)); | |
| 429 if (! error_state) | |
| 430 { | |
| 431 color_val = col; | |
| 432 current_type = color_t; | |
| 433 } | |
| 434 } | |
| 435 else | |
| 7363 | 436 error ("invalid value for color property \"%s\"", |
| 437 get_name ().c_str ()); | |
| 6790 | 438 } |
| 439 else | |
| 7363 | 440 error ("invalid value for color property \"%s\"", |
| 441 get_name ().c_str ()); | |
| 6790 | 442 } |
| 443 | |
| 7363 | 444 bool |
| 445 array_property::validate (const octave_value& v) | |
| 446 { | |
| 7364 | 447 bool xok = false; |
| 7363 | 448 |
| 449 // FIXME: should we always support []? | |
| 450 if (v.is_empty () && v.is_double_type ()) | |
| 451 return true; | |
| 452 | |
| 453 // check value type | |
| 454 if (type_constraints.size () > 0) | |
| 455 { | |
| 456 for (std::list<std::string>::const_iterator it = type_constraints.begin (); | |
| 7364 | 457 ! xok && it != type_constraints.end (); ++it) |
| 7363 | 458 if ((*it) == v.type_name ()) |
| 7364 | 459 xok = true; |
| 7363 | 460 } |
| 461 else | |
| 7364 | 462 xok = v.is_double_type (); |
| 7363 | 463 |
| 7364 | 464 if (xok) |
| 7363 | 465 { |
| 466 dim_vector vdims = v.dims (); | |
| 467 int vlen = vdims.length (); | |
| 468 | |
| 7364 | 469 xok = false; |
| 7363 | 470 |
| 471 // check value size | |
| 472 if (size_constraints.size () > 0) | |
| 473 for (std::list<dim_vector>::const_iterator it = size_constraints.begin (); | |
| 7364 | 474 ! xok && it != size_constraints.end (); ++it) |
| 7363 | 475 { |
| 476 dim_vector itdims = (*it); | |
| 477 | |
| 478 if (itdims.length () == vlen) | |
| 479 { | |
| 7364 | 480 xok = true; |
| 7363 | 481 |
| 7364 | 482 for (int i = 0; xok && i < vlen; i++) |
| 7363 | 483 if (itdims(i) >= 0 && itdims(i) != vdims(i)) |
| 7364 | 484 xok = false; |
| 7363 | 485 } |
| 486 } | |
| 487 else | |
| 488 return true; | |
| 489 } | |
| 490 | |
| 7364 | 491 return xok; |
| 7363 | 492 } |
| 493 | |
|
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494 bool |
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495 row_vector_property::validate (const octave_value& v) |
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496 { |
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497 bool xok = false; |
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498 |
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499 // FIXME: should we always support []? |
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500 if (v.is_empty () && v.is_double_type ()) |
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501 return true; |
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502 |
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503 // check value type |
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504 if (type_constraints.size () > 0) |
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505 { |
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506 for (std::list<std::string>::const_iterator it = type_constraints.begin (); |
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507 ! xok && it != type_constraints.end (); ++it) |
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508 if ((*it) == v.type_name ()) |
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509 xok = true; |
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510 } |
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511 else |
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512 xok = v.is_double_type (); |
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513 |
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514 if (xok) |
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515 { |
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516 dim_vector vdims = v.dims (); |
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John W. Eaton <jwe@octave.org>
parents:
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517 |
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parents:
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518 xok = vdims.length () != 2 || (vdims(0) != 1 && vdims(1) != 1); |
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f2000f1971ab
new row_vector_property class
John W. Eaton <jwe@octave.org>
parents:
7453
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519 } |
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f2000f1971ab
new row_vector_property class
John W. Eaton <jwe@octave.org>
parents:
7453
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520 |
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f2000f1971ab
new row_vector_property class
John W. Eaton <jwe@octave.org>
parents:
7453
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521 return xok; |
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f2000f1971ab
new row_vector_property class
John W. Eaton <jwe@octave.org>
parents:
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522 } |
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f2000f1971ab
new row_vector_property class
John W. Eaton <jwe@octave.org>
parents:
7453
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changeset
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523 |
| 7363 | 524 void |
| 525 handle_property::set (const octave_value& v) | |
| 526 { | |
| 527 double dv = v.double_value (); | |
| 528 | |
| 529 if (! error_state) | |
| 530 { | |
| 531 graphics_handle gh = gh_manager::lookup (dv); | |
| 532 | |
| 533 if (xisnan (gh.value ()) || gh.ok ()) | |
| 534 current_val = gh; | |
| 535 else | |
| 536 error ("set: invalid graphics handle (= %g) for property \"%s\"", | |
| 537 dv, get_name ().c_str ()); | |
| 538 } | |
| 539 else | |
| 540 error ("set: invalid graphics handle for property \"%s\"", | |
| 541 get_name ().c_str ()); | |
| 542 } | |
| 543 | |
| 544 bool | |
| 7367 | 545 callback_property::validate (const octave_value& v) const |
| 7363 | 546 { |
| 7367 | 547 // case 1: function handle |
| 548 // case 2: cell array with first element being a function handle | |
| 549 // case 3: string corresponding to known function name | |
| 550 // case 4: evaluatable string | |
| 551 // case 5: empty matrix | |
| 552 | |
| 553 if (v.is_function_handle ()) | |
| 554 return true; | |
| 555 else if (v.is_string ()) | |
| 556 // complete validation will be done at execution-time | |
| 557 return true; | |
| 558 else if (v.is_cell () && v.length () > 0 | |
| 559 && (v.rows() == 1 || v.columns () == 1) | |
| 560 && v.cell_value ()(0).is_function_handle ()) | |
| 561 return true; | |
| 562 else if (v.is_empty ()) | |
| 563 return true; | |
| 564 | |
| 565 return false; | |
| 7363 | 566 } |
| 567 | |
| 568 void | |
| 7367 | 569 callback_property::execute (const octave_value& data) const |
| 7363 | 570 { |
| 7367 | 571 if (callback.is_defined () && ! callback.is_empty ()) |
| 572 execute_callback (callback, get_parent (), data); | |
| 7363 | 573 } |
| 574 | |
| 575 // --------------------------------------------------------------------- | |
| 6681 | 576 |
| 6705 | 577 void |
| 7189 | 578 property_list::set (const caseless_str& name, const octave_value& val) |
| 6681 | 579 { |
| 6705 | 580 size_t offset = 0; |
| 6681 | 581 |
| 6705 | 582 size_t len = name.length (); |
| 6681 | 583 |
| 6705 | 584 if (len > 4) |
| 585 { | |
| 7189 | 586 caseless_str pfx = name.substr (0, 4); |
| 6681 | 587 |
| 6705 | 588 if (pfx.compare ("axes") || pfx.compare ("line") |
| 589 || pfx.compare ("text")) | |
| 590 offset = 4; | |
| 591 else if (len > 5) | |
| 592 { | |
| 593 pfx = name.substr (0, 5); | |
| 6681 | 594 |
| 6807 | 595 if (pfx.compare ("image") || pfx.compare ("patch")) |
| 6705 | 596 offset = 5; |
| 597 else if (len > 6) | |
| 598 { | |
| 599 pfx = name.substr (0, 6); | |
| 6681 | 600 |
| 6705 | 601 if (pfx.compare ("figure")) |
| 602 offset = 6; | |
| 603 else if (len > 7) | |
| 604 { | |
| 605 pfx = name.substr (0, 7); | |
| 6681 | 606 |
| 6705 | 607 if (pfx.compare ("surface")) |
| 608 offset = 7; | |
| 609 } | |
| 610 } | |
| 611 } | |
| 6681 | 612 |
| 6705 | 613 if (offset > 0) |
| 614 { | |
| 615 // FIXME -- should we validate property names and values here? | |
| 6406 | 616 |
| 6705 | 617 std::string pname = name.substr (offset); |
| 6406 | 618 |
| 6705 | 619 std::transform (pfx.begin (), pfx.end (), pfx.begin (), tolower); |
| 620 std::transform (pname.begin (), pname.end (), pname.begin (), tolower); | |
| 6406 | 621 |
| 6705 | 622 bool remove = false; |
| 623 if (val.is_string ()) | |
| 624 { | |
| 7189 | 625 caseless_str tval = val.string_value (); |
| 6406 | 626 |
| 6705 | 627 remove = tval.compare ("remove"); |
| 628 } | |
| 6406 | 629 |
| 6705 | 630 pval_map_type& pval_map = plist_map[pfx]; |
| 6406 | 631 |
| 6705 | 632 if (remove) |
| 633 { | |
| 634 pval_map_iterator p = pval_map.find (pname); | |
| 6406 | 635 |
| 6705 | 636 if (p != pval_map.end ()) |
| 637 pval_map.erase (p); | |
| 638 } | |
| 639 else | |
| 640 pval_map[pname] = val; | |
| 641 } | |
| 642 } | |
| 6406 | 643 |
| 6705 | 644 if (offset == 0) |
| 645 error ("invalid default property specification"); | |
| 646 } | |
| 6406 | 647 |
| 6705 | 648 octave_value |
| 7189 | 649 property_list::lookup (const caseless_str& name) const |
| 6705 | 650 { |
| 651 octave_value retval; | |
| 6406 | 652 |
| 6705 | 653 size_t offset = 0; |
| 6406 | 654 |
| 6705 | 655 size_t len = name.length (); |
| 6406 | 656 |
| 6705 | 657 if (len > 4) |
| 658 { | |
| 7189 | 659 caseless_str pfx = name.substr (0, 4); |
| 6406 | 660 |
| 6705 | 661 if (pfx.compare ("axes") || pfx.compare ("line") |
| 662 || pfx.compare ("text")) | |
| 663 offset = 4; | |
| 664 else if (len > 5) | |
| 665 { | |
| 666 pfx = name.substr (0, 5); | |
| 6406 | 667 |
| 6807 | 668 if (pfx.compare ("image") || pfx.compare ("patch")) |
| 6705 | 669 offset = 5; |
| 670 else if (len > 6) | |
| 671 { | |
| 672 pfx = name.substr (0, 6); | |
| 6406 | 673 |
| 6705 | 674 if (pfx.compare ("figure")) |
| 675 offset = 6; | |
| 676 else if (len > 7) | |
| 677 { | |
| 678 pfx = name.substr (0, 7); | |
| 6406 | 679 |
| 6705 | 680 if (pfx.compare ("surface")) |
| 681 offset = 7; | |
| 682 } | |
| 683 } | |
| 684 } | |
| 6406 | 685 |
| 6705 | 686 if (offset > 0) |
| 687 { | |
| 688 std::string pname = name.substr (offset); | |
| 6406 | 689 |
| 6705 | 690 std::transform (pfx.begin (), pfx.end (), pfx.begin (), tolower); |
| 691 std::transform (pname.begin (), pname.end (), pname.begin (), tolower); | |
| 6406 | 692 |
| 6705 | 693 plist_map_const_iterator p = find (pfx); |
| 6432 | 694 |
| 6705 | 695 if (p != end ()) |
| 696 { | |
| 697 const pval_map_type& pval_map = p->second; | |
| 6406 | 698 |
| 6705 | 699 pval_map_const_iterator q = pval_map.find (pname); |
| 6406 | 700 |
| 6705 | 701 if (q != pval_map.end ()) |
| 702 retval = q->second; | |
| 703 } | |
| 704 } | |
| 705 } | |
| 6406 | 706 |
| 6705 | 707 return retval; |
| 708 } | |
| 6406 | 709 |
| 6705 | 710 Octave_map |
| 711 property_list::as_struct (const std::string& prefix_arg) const | |
| 712 { | |
| 713 Octave_map m; | |
| 6406 | 714 |
| 6705 | 715 for (plist_map_const_iterator p = begin (); p != end (); p++) |
| 716 { | |
| 717 std::string prefix = prefix_arg + p->first; | |
| 6406 | 718 |
| 6705 | 719 const pval_map_type pval_map = p->second; |
| 6406 | 720 |
| 6705 | 721 for (pval_map_const_iterator q = pval_map.begin (); |
| 722 q != pval_map.end (); | |
| 723 q++) | |
| 724 m.assign (prefix + q->first, q->second); | |
| 725 } | |
| 6406 | 726 |
| 6705 | 727 return m; |
| 728 } | |
| 6432 | 729 |
| 6874 | 730 graphics_handle::graphics_handle (const octave_value& a) |
| 731 : val (octave_NaN) | |
| 732 { | |
| 733 if (a.is_empty ()) | |
| 734 /* do nothing */; | |
| 735 else | |
| 736 { | |
| 737 double tval = a.double_value (); | |
| 738 | |
| 739 if (! error_state) | |
| 740 val = tval; | |
| 741 else | |
| 742 error ("invalid graphics handle"); | |
| 743 } | |
| 744 } | |
| 745 | |
| 6705 | 746 void |
| 747 graphics_object::set (const octave_value_list& args) | |
| 748 { | |
| 749 int nargin = args.length (); | |
| 6406 | 750 |
| 6705 | 751 if (nargin == 0) |
| 752 rep->defaults (); | |
| 753 else if (nargin % 2 == 0) | |
| 754 { | |
| 755 for (int i = 0; i < nargin; i += 2) | |
| 756 { | |
| 7189 | 757 caseless_str name = args(i).string_value (); |
| 6406 | 758 |
| 6705 | 759 if (! error_state) |
| 760 { | |
| 761 octave_value val = args(i+1); | |
| 6406 | 762 |
| 6705 | 763 if (val.is_string ()) |
| 764 { | |
| 7189 | 765 caseless_str tval = val.string_value (); |
| 6406 | 766 |
| 6705 | 767 if (tval.compare ("default")) |
| 768 val = get_default (name); | |
| 769 else if (tval.compare ("factory")) | |
| 770 val = get_factory_default (name); | |
| 771 } | |
| 6406 | 772 |
| 6705 | 773 if (error_state) |
| 774 break; | |
| 6406 | 775 |
| 6705 | 776 rep->set (name, val); |
| 777 } | |
| 778 else | |
| 779 error ("set: expecting argument %d to be a property name", i); | |
| 780 } | |
| 781 } | |
| 782 else | |
| 783 error ("set: invalid number of arguments"); | |
| 784 } | |
| 6406 | 785 |
| 786 | |
| 6705 | 787 graphics_handle |
| 788 gh_manager::get_handle (const std::string& go_name) | |
| 789 { | |
| 790 graphics_handle retval; | |
| 6406 | 791 |
| 6705 | 792 if (go_name == "figure") |
| 793 { | |
| 794 // We always want the lowest unused figure number. | |
| 6406 | 795 |
| 6705 | 796 retval = 1; |
| 6425 | 797 |
| 6705 | 798 while (handle_map.find (retval) != handle_map.end ()) |
| 799 retval++; | |
| 800 } | |
| 801 else | |
| 802 { | |
| 803 free_list_iterator p = handle_free_list.begin (); | |
| 6406 | 804 |
| 6705 | 805 if (p != handle_free_list.end ()) |
| 806 { | |
| 807 retval = *p; | |
| 808 handle_free_list.erase (p); | |
| 809 } | |
| 810 else | |
| 7286 | 811 { |
| 812 static double maxrand = RAND_MAX + 2.0; | |
| 813 | |
| 814 retval = graphics_handle (next_handle); | |
| 815 | |
| 7304 | 816 next_handle = ceil (next_handle) - 1.0 - (rand () + 1.0) / maxrand; |
| 7286 | 817 } |
| 6705 | 818 } |
| 6406 | 819 |
| 6705 | 820 return retval; |
| 821 } | |
| 6406 | 822 |
| 6705 | 823 void |
| 824 gh_manager::do_free (const graphics_handle& h) | |
| 825 { | |
| 7056 | 826 if (h.ok ()) |
| 6705 | 827 { |
| 6874 | 828 if (h.value () != 0) |
| 6705 | 829 { |
| 6874 | 830 iterator p = handle_map.find (h); |
| 831 | |
| 832 if (p != handle_map.end ()) | |
| 833 { | |
| 7403 | 834 p->second.get_properties ().set_beingdeleted (true); |
| 835 p->second.get_properties ().execute_deletefcn (); | |
| 7367 | 836 |
| 6874 | 837 handle_map.erase (p); |
| 838 | |
| 839 if (h.value () < 0) | |
| 840 handle_free_list.insert (h); | |
| 841 } | |
| 842 else | |
| 843 error ("graphics_handle::free: invalid object %g", h.value ()); | |
| 6705 | 844 } |
| 845 else | |
| 6874 | 846 error ("graphics_handle::free: can't delete root figure"); |
| 6705 | 847 } |
| 848 } | |
| 6406 | 849 |
| 850 gh_manager *gh_manager::instance = 0; | |
| 851 | |
| 852 static void | |
| 7189 | 853 xset (const graphics_handle& h, const caseless_str& name, |
| 6406 | 854 const octave_value& val) |
| 855 { | |
| 856 graphics_object obj = gh_manager::get_object (h); | |
| 857 obj.set (name, val); | |
| 858 } | |
| 859 | |
| 860 static void | |
| 861 xset (const graphics_handle& h, const octave_value_list& args) | |
| 862 { | |
| 863 if (args.length () > 0) | |
| 864 { | |
| 865 graphics_object obj = gh_manager::get_object (h); | |
| 866 obj.set (args); | |
| 867 } | |
| 868 } | |
| 869 | |
| 870 | |
| 871 static octave_value | |
| 7189 | 872 xget (const graphics_handle& h, const caseless_str& name) |
| 6406 | 873 { |
| 874 graphics_object obj = gh_manager::get_object (h); | |
| 875 return obj.get (name); | |
| 876 } | |
| 877 | |
| 878 static graphics_handle | |
| 879 reparent (const octave_value& ov, const std::string& who, | |
| 880 const std::string& property, const graphics_handle& new_parent, | |
| 881 bool adopt = true) | |
| 882 { | |
| 883 graphics_handle h = octave_NaN; | |
| 884 | |
| 885 double val = ov.double_value (); | |
| 886 | |
| 887 if (! error_state) | |
| 888 { | |
| 889 h = gh_manager::lookup (val); | |
| 890 | |
| 7056 | 891 if (h.ok ()) |
| 6406 | 892 { |
| 893 graphics_object obj = gh_manager::get_object (h); | |
| 894 | |
| 895 graphics_handle parent_h = obj.get_parent (); | |
| 896 | |
| 897 graphics_object parent_obj = gh_manager::get_object (parent_h); | |
| 898 | |
| 899 parent_obj.remove_child (h); | |
| 900 | |
| 901 if (adopt) | |
| 6874 | 902 obj.set ("parent", new_parent.value ()); |
| 6406 | 903 else |
| 904 obj.reparent (new_parent); | |
| 905 } | |
| 906 else | |
| 907 error ("%s: invalid graphics handle (= %g) for %s", | |
| 908 who.c_str (), val, property.c_str ()); | |
| 909 } | |
| 910 else | |
| 911 error ("%s: expecting %s to be a graphics handle", | |
| 912 who.c_str (), property.c_str ()); | |
| 913 | |
| 914 return h; | |
| 915 } | |
| 916 | |
| 917 // This function is NOT equivalent to the scripting language function gcf. | |
| 918 graphics_handle | |
| 919 gcf (void) | |
| 920 { | |
| 921 octave_value val = xget (0, "currentfigure"); | |
| 922 | |
| 923 return val.is_empty () ? octave_NaN : val.double_value (); | |
| 924 } | |
| 925 | |
| 926 // This function is NOT equivalent to the scripting language function gca. | |
| 927 graphics_handle | |
| 928 gca (void) | |
| 929 { | |
| 930 octave_value val = xget (gcf (), "currentaxes"); | |
| 931 | |
| 932 return val.is_empty () ? octave_NaN : val.double_value (); | |
| 933 } | |
| 934 | |
| 935 static void | |
| 936 adopt (const graphics_handle& p, const graphics_handle& h) | |
| 937 { | |
| 938 graphics_object parent_obj = gh_manager::get_object (p); | |
| 939 | |
| 940 parent_obj.adopt (h); | |
| 941 } | |
| 942 | |
| 943 static bool | |
| 7056 | 944 is_handle (const graphics_handle& h) |
| 945 { | |
| 946 return h.ok (); | |
| 947 } | |
| 948 | |
| 949 static bool | |
| 6406 | 950 is_handle (double val) |
| 951 { | |
| 6874 | 952 graphics_handle h = gh_manager::lookup (val); |
| 953 | |
| 954 return h.ok (); | |
| 6406 | 955 } |
| 956 | |
| 957 static bool | |
| 958 is_handle (const octave_value& val) | |
| 959 { | |
| 7142 | 960 return val.is_real_scalar () && is_handle (val.double_value ()); |
| 6406 | 961 } |
| 962 | |
| 963 static bool | |
| 964 is_figure (double val) | |
| 965 { | |
| 966 graphics_object obj = gh_manager::get_object (val); | |
| 967 | |
| 968 return obj && obj.isa ("figure"); | |
| 969 } | |
| 970 | |
| 7370 | 971 static void |
| 972 xcreatefcn (const graphics_handle& h) | |
| 973 { | |
| 974 graphics_object obj = gh_manager::get_object (h); | |
| 975 obj.get_properties ().execute_createfcn (); | |
| 976 } | |
| 977 | |
| 6406 | 978 // --------------------------------------------------------------------- |
| 979 | |
| 980 static int | |
| 981 compare (const void *a_arg, const void *b_arg) | |
| 982 { | |
| 983 double a = *(static_cast<const double *> (a_arg)); | |
| 984 double b = *(static_cast<const double *> (b_arg)); | |
| 985 | |
| 986 return a > b ? 1 : (a < b) ? -1 : 0; | |
| 987 } | |
| 988 | |
| 989 static Matrix | |
| 990 maybe_set_children (const Matrix& kids, const octave_value& val) | |
| 991 { | |
| 992 const Matrix new_kids = val.matrix_value (); | |
| 993 | |
| 994 bool ok = true; | |
| 995 | |
| 996 if (! error_state) | |
| 997 { | |
| 998 if (kids.numel () == new_kids.numel ()) | |
| 999 { | |
| 1000 Matrix t1 = kids; | |
| 1001 Matrix t2 = new_kids; | |
| 1002 | |
| 1003 t1.qsort (compare); | |
| 1004 t2.qsort (compare); | |
| 1005 | |
| 1006 if (t1 != t2) | |
| 1007 ok = false; | |
| 1008 } else | |
| 1009 ok = false; | |
| 1010 | |
| 1011 if (! ok) | |
| 1012 error ("set: new children must be a permutation of existing children"); | |
| 1013 } | |
| 1014 else | |
| 1015 { | |
| 1016 ok = false; | |
| 1017 error ("set: expecting children to be array of graphics handles"); | |
| 1018 } | |
| 1019 | |
| 1020 return ok ? new_kids : kids; | |
| 1021 } | |
| 1022 | |
| 6705 | 1023 void |
| 1024 base_properties::set_from_list (base_graphics_object& obj, | |
| 1025 property_list& defaults) | |
| 6406 | 1026 { |
| 6705 | 1027 std::string go_name = graphics_object_name (); |
| 6406 | 1028 |
| 6705 | 1029 property_list::plist_map_const_iterator p = defaults.find (go_name); |
| 6406 | 1030 |
| 6705 | 1031 if (p != defaults.end ()) |
| 1032 { | |
| 1033 const property_list::pval_map_type pval_map = p->second; | |
| 6406 | 1034 |
| 6705 | 1035 for (property_list::pval_map_const_iterator q = pval_map.begin (); |
| 1036 q != pval_map.end (); | |
| 1037 q++) | |
| 1038 { | |
| 1039 std::string pname = q->first; | |
| 6406 | 1040 |
| 6705 | 1041 obj.set (pname, q->second); |
| 6406 | 1042 |
| 6705 | 1043 if (error_state) |
| 1044 { | |
| 1045 error ("error setting default property %s", pname.c_str ()); | |
| 1046 break; | |
| 1047 } | |
| 1048 } | |
| 1049 } | |
| 1050 } | |
| 6406 | 1051 |
| 7363 | 1052 octave_value |
| 1053 base_properties::get (const caseless_str& name) const | |
| 1054 { | |
| 1055 octave_value retval; | |
| 1056 | |
| 1057 if (name.compare ("tag")) | |
| 1058 retval = get_tag (); | |
| 1059 else if (name.compare ("type")) | |
| 1060 retval = get_type (); | |
| 1061 else if (name.compare ("__modified__")) | |
| 1062 retval = is_modified (); | |
| 1063 else if (name.compare ("parent")) | |
| 1064 retval = get_parent ().as_octave_value (); | |
| 1065 else if (name.compare ("children")) | |
| 1066 retval = children; | |
| 7366 | 1067 else if (name.compare ("busyaction")) |
| 1068 retval = get_busyaction (); | |
| 1069 else if (name.compare ("buttondownfcn")) | |
| 1070 retval = get_buttondownfcn (); | |
| 1071 else if (name.compare ("clipping")) | |
| 1072 retval = get_clipping (); | |
| 1073 else if (name.compare ("createfcn")) | |
| 1074 retval = get_createfcn (); | |
| 1075 else if (name.compare ("deletefcn")) | |
| 1076 retval = get_deletefcn (); | |
| 1077 else if (name.compare ("handlevisibility")) | |
| 1078 retval = get_handlevisibility (); | |
| 1079 else if (name.compare ("hittest")) | |
| 1080 retval = get_hittest (); | |
| 1081 else if (name.compare ("interruptible")) | |
| 1082 retval = get_interruptible (); | |
| 1083 else if (name.compare ("selected")) | |
| 1084 retval = get_selected (); | |
| 1085 else if (name.compare ("selectionhighlight")) | |
| 1086 retval = get_selectionhighlight (); | |
| 1087 else if (name.compare ("uicontextmenu")) | |
| 1088 retval = get_uicontextmenu (); | |
| 1089 else if (name.compare ("userdata")) | |
| 1090 retval = get_userdata (); | |
| 1091 else if (name.compare ("visible")) | |
| 1092 retval = get_visible (); | |
| 7403 | 1093 else if (name.compare ("beingdeleted")) |
| 1094 retval = get_beingdeleted (); | |
| 7363 | 1095 else |
| 1096 { | |
| 1097 std::map<caseless_str, property>::const_iterator it = all_props.find (name); | |
| 1098 | |
| 1099 if (it != all_props.end ()) | |
| 1100 retval = it->second.get (); | |
| 1101 else | |
| 1102 error ("get: unknown property \"%s\"", name.c_str ()); | |
| 1103 } | |
| 1104 | |
| 1105 return retval; | |
| 1106 } | |
| 1107 | |
| 1108 octave_value | |
| 7379 | 1109 base_properties::get (bool all) const |
| 7363 | 1110 { |
| 1111 Octave_map m; | |
| 1112 | |
| 1113 for (std::map<caseless_str, property>::const_iterator it = all_props.begin (); | |
| 1114 it != all_props.end (); ++it) | |
| 7379 | 1115 if (all || ! it->second.is_hidden ()) |
| 1116 m.assign (it->second.get_name (), it->second.get ()); | |
| 7363 | 1117 |
| 1118 m.assign ("tag", get_tag ()); | |
| 1119 m.assign ("type", get_type ()); | |
| 7379 | 1120 if (all) |
| 1121 m.assign ("__modified__", is_modified ()); | |
| 7363 | 1122 m.assign ("parent", get_parent ().as_octave_value ()); |
| 1123 m.assign ("children", children); | |
| 7366 | 1124 m.assign ("busyaction", get_busyaction ()); |
| 1125 m.assign ("buttondownfcn", get_buttondownfcn ()); | |
| 1126 m.assign ("clipping", get_clipping ()); | |
| 1127 m.assign ("createfcn", get_createfcn ()); | |
| 1128 m.assign ("deletefcn", get_deletefcn ()); | |
| 1129 m.assign ("handlevisibility", get_handlevisibility ()); | |
| 1130 m.assign ("hittest", get_hittest ()); | |
| 1131 m.assign ("interruptible", get_interruptible ()); | |
| 1132 m.assign ("selected", get_selected ()); | |
| 1133 m.assign ("selectionhighlight", get_selectionhighlight ()); | |
| 1134 m.assign ("uicontextmenu", get_uicontextmenu ()); | |
| 1135 m.assign ("userdata", get_userdata ()); | |
| 1136 m.assign ("visible", get_visible ()); | |
| 7403 | 1137 m.assign ("beingdeleted", get_beingdeleted ()); |
| 7363 | 1138 |
| 1139 return m; | |
| 1140 } | |
| 1141 | |
| 1142 void | |
| 1143 base_properties::set (const caseless_str& name, const octave_value& val) | |
| 1144 { | |
| 1145 if (name.compare ("tag")) | |
| 1146 set_tag (val); | |
| 1147 else if (name.compare ("__modified__")) | |
| 1148 __modified__ = val; | |
| 1149 else if (name.compare ("parent")) | |
| 1150 set_parent (val); | |
| 1151 else if (name.compare ("children")) | |
| 1152 maybe_set_children (children, val); | |
| 7366 | 1153 else if (name.compare ("busyaction")) |
| 1154 set_busyaction (val); | |
| 1155 else if (name.compare ("buttondownfcn")) | |
| 1156 set_buttondownfcn (val); | |
| 1157 else if (name.compare ("clipping")) | |
| 1158 set_clipping (val); | |
| 1159 else if (name.compare ("createfcn")) | |
| 1160 set_createfcn (val); | |
| 1161 else if (name.compare ("deletefcn")) | |
| 1162 set_deletefcn (val); | |
| 1163 else if (name.compare ("handlevisibility")) | |
| 1164 set_handlevisibility (val); | |
| 1165 else if (name.compare ("hittest")) | |
| 1166 set_hittest (val); | |
| 1167 else if (name.compare ("interruptible")) | |
| 1168 set_interruptible (val); | |
| 1169 else if (name.compare ("selected")) | |
| 1170 set_selected (val); | |
| 1171 else if (name.compare ("selectionhighlight")) | |
| 1172 set_selectionhighlight (val); | |
| 1173 else if (name.compare ("uicontextmenu")) | |
| 1174 set_uicontextmenu (val); | |
| 1175 else if (name.compare ("userdata")) | |
| 1176 set_userdata (val); | |
| 1177 else if (name.compare ("visible")) | |
| 1178 set_visible (val); | |
| 7363 | 1179 else |
| 1180 { | |
| 1181 std::map<caseless_str, property>::iterator it = all_props.find (name); | |
| 1182 | |
| 1183 if (it != all_props.end ()) | |
| 1184 it->second.set (val); | |
| 1185 else | |
| 1186 error ("set: unknown property \"%s\"", name.c_str ()); | |
| 1187 } | |
| 1188 | |
| 1189 if (! error_state && ! name.compare ("__modified__")) | |
| 1190 mark_modified (); | |
| 1191 } | |
| 1192 | |
| 1193 property | |
| 1194 base_properties::get_property (const caseless_str& name) const | |
| 1195 { | |
| 1196 std::map<caseless_str, property>::const_iterator it = all_props.find (name); | |
| 1197 | |
| 1198 if (it == all_props.end ()) | |
| 1199 return property (); | |
| 1200 else | |
| 1201 return it->second; | |
| 1202 } | |
| 1203 | |
| 6705 | 1204 void |
| 1205 base_properties::remove_child (const graphics_handle& h) | |
| 6406 | 1206 { |
| 6705 | 1207 octave_idx_type k = -1; |
| 1208 octave_idx_type n = children.numel (); | |
| 1209 for (octave_idx_type i = 0; i < n; i++) | |
| 6406 | 1210 { |
| 6874 | 1211 if (h.value () == children(i)) |
| 6406 | 1212 { |
| 6705 | 1213 k = i; |
| 1214 break; | |
| 6406 | 1215 } |
| 1216 } | |
| 1217 | |
| 6705 | 1218 if (k >= 0) |
| 6406 | 1219 { |
| 6705 | 1220 Matrix new_kids (1, n-1); |
| 1221 octave_idx_type j = 0; | |
| 1222 for (octave_idx_type i = 0; i < n; i++) | |
| 1223 { | |
| 1224 if (i != k) | |
| 1225 new_kids(j++) = children(i); | |
| 1226 } | |
| 1227 children = new_kids; | |
| 7378 | 1228 mark_modified (); |
| 6406 | 1229 } |
| 6705 | 1230 } |
| 6406 | 1231 |
| 6836 | 1232 void |
| 1233 base_properties::set_parent (const octave_value& val) | |
| 6705 | 1234 { |
| 1235 double tmp = val.double_value (); | |
| 6406 | 1236 |
| 6705 | 1237 graphics_handle new_parent = octave_NaN; |
| 6406 | 1238 |
| 6705 | 1239 if (! error_state) |
| 1240 { | |
| 1241 new_parent = gh_manager::lookup (tmp); | |
| 6406 | 1242 |
| 7056 | 1243 if (new_parent.ok ()) |
| 6705 | 1244 { |
| 7363 | 1245 graphics_object parent_obj = gh_manager::get_object (get_parent ()); |
| 6406 | 1246 |
| 6705 | 1247 parent_obj.remove_child (__myhandle__); |
| 6406 | 1248 |
| 7363 | 1249 parent = new_parent.as_octave_value (); |
| 6406 | 1250 |
| 7363 | 1251 ::adopt (parent.handle_value (), __myhandle__); |
| 6705 | 1252 } |
| 1253 else | |
| 1254 error ("set: invalid graphics handle (= %g) for parent", tmp); | |
| 1255 } | |
| 1256 else | |
| 1257 error ("set: expecting parent to be a graphics handle"); | |
| 1258 } | |
| 6432 | 1259 |
| 6705 | 1260 void |
| 6836 | 1261 base_properties::mark_modified (void) |
| 1262 { | |
| 7363 | 1263 __modified__ = "on"; |
| 1264 graphics_object parent_obj = gh_manager::get_object (get_parent ()); | |
| 7379 | 1265 if (parent_obj) |
| 1266 parent_obj.mark_modified (); | |
| 6836 | 1267 } |
| 1268 | |
| 1269 void | |
| 1270 base_properties::override_defaults (base_graphics_object& obj) | |
| 1271 { | |
| 7363 | 1272 graphics_object parent_obj = gh_manager::get_object (get_parent ()); |
| 6836 | 1273 parent_obj.override_defaults (obj); |
| 1274 } | |
| 1275 | |
| 1276 void | |
| 7214 | 1277 base_properties::update_axis_limits (const std::string& axis_type) const |
| 1278 { | |
| 7363 | 1279 graphics_handle h = (get_type () == "axes") ? __myhandle__ : get_parent (); |
| 7214 | 1280 |
| 1281 graphics_object obj = gh_manager::get_object (h); | |
| 1282 | |
| 1283 if (obj.isa ("axes")) | |
| 1284 obj.update_axis_limits (axis_type); | |
| 1285 } | |
| 1286 | |
| 1287 void | |
| 6836 | 1288 base_properties::delete_children (void) |
| 1289 { | |
| 1290 octave_idx_type n = children.numel (); | |
| 1291 | |
| 1292 for (octave_idx_type i = 0; i < n; i++) | |
| 1293 gh_manager::free (children(i)); | |
| 1294 } | |
| 1295 | |
| 7419 | 1296 graphics_backend |
| 1297 base_properties::get_backend (void) const | |
| 1298 { | |
| 1299 graphics_object go = gh_manager::get_object (get_parent ()); | |
| 1300 | |
| 1301 if (go) | |
| 1302 return go.get_backend (); | |
| 1303 else | |
| 1304 return graphics_backend (); | |
| 1305 } | |
| 1306 | |
| 7363 | 1307 // --------------------------------------------------------------------- |
| 1308 | |
| 7408 | 1309 class gnuplot_backend : public base_graphics_backend |
| 1310 { | |
| 1311 public: | |
| 1312 gnuplot_backend (void) | |
| 1313 : base_graphics_backend ("gnuplot") { } | |
| 1314 | |
| 1315 ~gnuplot_backend (void) { } | |
| 1316 | |
| 1317 bool is_valid (void) const { return true; } | |
| 1318 | |
| 1319 void close_figure (const octave_value& pstream) const | |
| 1320 { | |
| 1321 if (! pstream.is_empty()) | |
| 1322 { | |
| 1323 octave_value_list args; | |
| 1324 args(1) = "\nquit;\n"; | |
| 1325 args(0) = pstream; | |
| 1326 feval ("fputs", args); | |
| 1327 args.resize (1); | |
| 1328 feval ("fflush", args); | |
| 1329 feval ("pclose", args); | |
| 1330 } | |
| 1331 } | |
| 1332 | |
| 1333 void redraw_figure (const graphics_handle& fh) const | |
| 1334 { | |
| 1335 octave_value_list args; | |
| 1336 args(0) = fh.as_octave_value (); | |
| 1337 feval ("gnuplot_drawnow", args); | |
| 1338 } | |
| 1339 | |
| 1340 void print_figure (const graphics_handle& fh, const std::string& term, | |
| 1341 const std::string& file, bool mono, | |
| 1342 const std::string& debug_file) const | |
| 1343 { | |
| 1344 octave_value_list args; | |
| 1345 if (! debug_file.empty ()) | |
| 1346 args(4) = debug_file; | |
| 7409 | 1347 args(3) = mono; |
| 1348 args(2) = file; | |
| 1349 args(1) = term; | |
| 1350 args(0) = fh.as_octave_value (); | |
| 7408 | 1351 feval ("gnuplot_drawnow", args); |
| 1352 } | |
| 1353 | |
| 7409 | 1354 Matrix get_canvas_size (const graphics_handle&) const |
| 7427 | 1355 { |
| 1356 Matrix sz (1, 2, 0.0); | |
| 1357 return sz; | |
| 1358 } | |
| 1359 | |
| 1360 double get_screen_resolution (void) const | |
| 1361 { return 72.0; } | |
| 7445 | 1362 |
| 1363 Matrix get_screen_size (void) const | |
| 1364 { return Matrix (1, 2, 0.0); } | |
| 7408 | 1365 }; |
| 1366 | |
| 1367 graphics_backend | |
| 1368 graphics_backend::default_backend (void) | |
| 1369 { | |
| 1370 if (available_backends.size () == 0) | |
| 1371 register_backend (new gnuplot_backend ()); | |
| 1372 | |
| 1373 return available_backends["gnuplot"]; | |
| 1374 } | |
| 1375 | |
| 1376 std::map<std::string, graphics_backend> graphics_backend::available_backends; | |
| 1377 | |
| 1378 // --------------------------------------------------------------------- | |
| 1379 | |
| 7363 | 1380 #include "graphics-props.cc" |
| 1381 | |
| 1382 // --------------------------------------------------------------------- | |
| 1383 | |
| 6836 | 1384 void |
| 7363 | 1385 root_figure::properties::set_currentfigure (const octave_value& v) |
| 6874 | 1386 { |
| 7378 | 1387 graphics_handle val (v); |
| 7363 | 1388 |
| 6874 | 1389 if (error_state) |
| 1390 return; | |
| 1391 | |
| 7059 | 1392 if (xisnan (val.value ()) || is_handle (val)) |
| 6874 | 1393 { |
| 1394 currentfigure = val; | |
| 1395 | |
| 7363 | 1396 gh_manager::push_figure (val); |
| 6874 | 1397 } |
| 1398 else | |
| 1399 gripe_set_invalid ("currentfigure"); | |
| 1400 } | |
| 1401 | |
| 6406 | 1402 property_list |
| 1403 root_figure::factory_properties = root_figure::init_factory_properties (); | |
| 1404 | |
| 1405 // --------------------------------------------------------------------- | |
| 1406 | |
| 7363 | 1407 void |
| 1408 figure::properties::set_currentaxes (const octave_value& v) | |
| 1409 { | |
| 7378 | 1410 graphics_handle val (v); |
| 6705 | 1411 |
| 6874 | 1412 if (error_state) |
| 1413 return; | |
| 1414 | |
| 7070 | 1415 if (xisnan (val.value ()) || is_handle (val)) |
| 6874 | 1416 currentaxes = val; |
| 1417 else | |
| 1418 gripe_set_invalid ("currentaxes"); | |
| 1419 } | |
| 1420 | |
| 1421 void | |
| 1422 figure::properties::set_visible (const octave_value& val) | |
| 1423 { | |
| 1424 std::string s = val.string_value (); | |
| 1425 | |
| 1426 if (! error_state) | |
| 1427 { | |
| 1428 if (s == "on") | |
| 1429 xset (0, "currentfigure", __myhandle__.value ()); | |
| 1430 | |
| 1431 visible = val; | |
| 1432 } | |
| 1433 } | |
| 1434 | |
| 1435 void | |
| 7408 | 1436 figure::properties::close (bool pop) |
| 6705 | 1437 { |
| 7408 | 1438 if (backend) |
| 1439 backend.close_figure (get___plot_stream__ ()); | |
| 1440 | |
| 1441 if (pop) | |
| 6406 | 1442 { |
| 7408 | 1443 gh_manager::pop_figure (__myhandle__); |
| 1444 | |
| 1445 graphics_handle cf = gh_manager::current_figure (); | |
| 1446 | |
| 1447 xset (0, "currentfigure", cf.value ()); | |
| 6406 | 1448 } |
| 6705 | 1449 } |
| 6432 | 1450 |
| 7445 | 1451 Matrix |
| 7447 | 1452 figure::properties::get_boundingbox (bool) const |
| 7445 | 1453 { |
| 1454 graphics_backend b = get_backend (); | |
| 1455 // FIXME: screen size should be obtained from root object | |
| 1456 Matrix screen_size = b.get_screen_size (); | |
| 1457 Matrix pos; | |
| 1458 | |
| 1459 pos = convert_position (get_position ().matrix_value (), get_units (), | |
| 1460 "pixels", screen_size, b); | |
| 1461 | |
| 1462 pos(0)--; | |
| 1463 pos(1)--; | |
| 7447 | 1464 pos(1) = screen_size(1) - pos(1) - pos(3); |
| 7445 | 1465 |
| 1466 return pos; | |
| 1467 } | |
| 1468 | |
| 6836 | 1469 octave_value |
| 7189 | 1470 figure::get_default (const caseless_str& name) const |
| 6836 | 1471 { |
| 1472 octave_value retval = default_properties.lookup (name); | |
| 1473 | |
| 1474 if (retval.is_undefined ()) | |
| 1475 { | |
| 1476 graphics_handle parent = get_parent (); | |
| 1477 graphics_object parent_obj = gh_manager::get_object (parent); | |
| 1478 | |
| 1479 retval = parent_obj.get_default (name); | |
| 1480 } | |
| 1481 | |
| 1482 return retval; | |
| 1483 } | |
| 1484 | |
| 6406 | 1485 // --------------------------------------------------------------------- |
| 1486 | |
| 7363 | 1487 void |
| 1488 axes::properties::set_title (const octave_value& v) | |
| 6962 | 1489 { |
| 7363 | 1490 graphics_handle val = ::reparent (v, "set", "title", __myhandle__, false); |
| 6962 | 1491 |
| 6874 | 1492 if (! error_state) |
| 1493 { | |
| 7363 | 1494 gh_manager::free (title.handle_value ()); |
| 6874 | 1495 title = val; |
| 1496 } | |
| 1497 } | |
| 1498 | |
| 1499 void | |
| 7363 | 1500 axes::properties::set_xlabel (const octave_value& v) |
| 6874 | 1501 { |
| 7363 | 1502 graphics_handle val = ::reparent (v, "set", "xlabel", __myhandle__, false); |
| 6874 | 1503 |
| 1504 if (! error_state) | |
| 1505 { | |
| 7363 | 1506 gh_manager::free (xlabel.handle_value ()); |
| 6874 | 1507 xlabel = val; |
| 1508 } | |
| 1509 } | |
| 1510 | |
| 1511 void | |
| 7363 | 1512 axes::properties::set_ylabel (const octave_value& v) |
| 6874 | 1513 { |
| 7363 | 1514 graphics_handle val = ::reparent (v, "set", "ylabel", __myhandle__, false); |
| 6874 | 1515 |
| 1516 if (! error_state) | |
| 1517 { | |
| 7363 | 1518 gh_manager::free (ylabel.handle_value ()); |
| 6874 | 1519 ylabel = val; |
| 1520 } | |
| 1521 } | |
| 1522 | |
| 1523 void | |
| 7363 | 1524 axes::properties::set_zlabel (const octave_value& v) |
| 6874 | 1525 { |
| 7363 | 1526 graphics_handle val = ::reparent (v, "set", "zlabel", __myhandle__, false); |
| 6874 | 1527 |
| 1528 if (! error_state) | |
| 1529 { | |
| 7363 | 1530 gh_manager::free (zlabel.handle_value ()); |
| 6874 | 1531 zlabel = val; |
| 1532 } | |
| 1533 } | |
| 1534 | |
| 1535 void | |
| 6844 | 1536 axes::properties::set_defaults (base_graphics_object& obj, |
| 6890 | 1537 const std::string& mode) |
| 6705 | 1538 { |
| 7427 | 1539 position = default_axes_position (); |
| 7363 | 1540 title = graphics_handle (); |
| 6705 | 1541 box = "on"; |
| 1542 key = "off"; | |
| 1543 keybox = "off"; | |
| 7363 | 1544 keypos = 1.0; |
| 6962 | 1545 colororder = default_colororder (); |
| 6705 | 1546 dataaspectratio = Matrix (1, 3, 1.0); |
| 1547 dataaspectratiomode = "auto"; | |
| 7363 | 1548 layer = "bottom"; |
| 6705 | 1549 |
| 1550 Matrix tlim (1, 2, 0.0); | |
| 1551 tlim(1) = 1; | |
| 1552 xlim = tlim; | |
| 1553 ylim = tlim; | |
| 1554 zlim = tlim; | |
| 6807 | 1555 |
| 1556 Matrix cl (1, 2, 0); | |
| 1557 cl(1) = 1; | |
| 1558 clim = cl; | |
| 1559 | |
| 7363 | 1560 xlimmode = "auto"; |
| 1561 ylimmode = "auto"; | |
| 1562 zlimmode = "auto"; | |
| 1563 climmode = "auto"; | |
| 1564 xlabel = graphics_handle (); | |
| 1565 ylabel = graphics_handle (); | |
| 1566 zlabel = graphics_handle (); | |
| 6705 | 1567 xgrid = "off"; |
| 1568 ygrid = "off"; | |
| 1569 zgrid = "off"; | |
| 1570 xminorgrid = "off"; | |
| 1571 yminorgrid = "off"; | |
| 1572 zminorgrid = "off"; | |
| 1573 xtick = Matrix (); | |
| 1574 ytick = Matrix (); | |
| 1575 ztick = Matrix (); | |
| 1576 xtickmode = "auto"; | |
| 1577 ytickmode = "auto"; | |
| 1578 ztickmode = "auto"; | |
| 1579 xticklabel = ""; | |
| 1580 yticklabel = ""; | |
| 1581 zticklabel = ""; | |
| 1582 xticklabelmode = "auto"; | |
| 1583 yticklabelmode = "auto"; | |
| 1584 zticklabelmode = "auto"; | |
| 7453 | 1585 color = color_values (1, 1, 1); |
| 7364 | 1586 xcolor = color_values ("black"); |
| 1587 ycolor = color_values ("black"); | |
| 1588 zcolor = color_values ("black"); | |
| 7363 | 1589 xscale = "linear"; |
| 1590 yscale = "linear"; | |
| 1591 zscale = "linear"; | |
| 6705 | 1592 xdir = "normal"; |
| 1593 ydir = "normal"; | |
| 1594 zdir = "normal"; | |
| 7363 | 1595 yaxislocation = "left"; |
| 1596 xaxislocation = "bottom"; | |
| 6705 | 1597 |
| 7427 | 1598 // Note: camera properties will be set through update_transform |
| 1599 camerapositionmode = "auto"; | |
| 1600 cameratargetmode = "auto"; | |
| 1601 cameraupvectormode = "auto"; | |
| 1602 cameraviewanglemode = "auto"; | |
| 1603 plotboxaspectratio = Matrix (1, 3, 1.0); | |
| 1604 drawmode = "normal"; | |
| 1605 fontangle = "normal"; | |
| 1606 fontname = "Helvetica"; | |
| 1607 fontsize = 12; | |
| 1608 fontunits = "points"; | |
| 1609 fontweight = "normal"; | |
| 1610 gridlinestyle = "-"; | |
| 1611 linestyleorder = "-"; | |
| 1612 linewidth = 0.5; | |
| 1613 minorgridlinestyle = "-"; | |
| 1614 // Note: plotboxaspectratio will be set through update_aspectratiors | |
| 1615 plotboxaspectratiomode = "auto"; | |
| 1616 projection = "orthographic"; | |
| 1617 tickdir = "in"; | |
| 1618 tickdirmode = "auto"; | |
| 1619 ticklength = Matrix (1, 2, 0.1); | |
| 1620 tightinset = Matrix (1, 4, 0.0); | |
| 1621 | |
| 1622 sx = "linear"; | |
| 1623 sy = "linear"; | |
| 1624 sz = "linear"; | |
| 1625 | |
| 6705 | 1626 Matrix tview (1, 2, 0.0); |
| 1627 tview(1) = 90; | |
| 1628 view = tview; | |
| 1629 | |
| 6765 | 1630 visible = "on"; |
| 6705 | 1631 nextplot = "replace"; |
| 1632 | |
| 1633 // FIXME -- this is not quite right; we should preserve | |
| 1634 // "position" and "units". | |
| 1635 | |
| 1636 if (mode != "replace") | |
| 1637 { | |
| 6406 | 1638 Matrix touterposition (1, 4, 0.0); |
| 1639 touterposition(2) = 1; | |
| 1640 touterposition(3) = 1; | |
| 1641 outerposition = touterposition; | |
| 1642 } | |
| 1643 | |
| 7363 | 1644 activepositionproperty = "outerposition"; |
| 1645 __colorbar__ = "none"; | |
| 7189 | 1646 |
| 6705 | 1647 delete_children (); |
| 6406 | 1648 |
| 6705 | 1649 children = Matrix (); |
| 6432 | 1650 |
| 7427 | 1651 update_transform (); |
| 1652 | |
| 6705 | 1653 override_defaults (obj); |
| 1654 } | |
| 1655 | |
| 6874 | 1656 graphics_handle |
| 1657 axes::properties::get_title (void) const | |
| 1658 { | |
| 7363 | 1659 if (! title.handle_value ().ok ()) |
| 6874 | 1660 title = gh_manager::make_graphics_handle ("text", __myhandle__); |
| 1661 | |
| 7363 | 1662 return title.handle_value (); |
| 6874 | 1663 } |
| 1664 | |
| 1665 graphics_handle | |
| 1666 axes::properties::get_xlabel (void) const | |
| 1667 { | |
| 7363 | 1668 if (! xlabel.handle_value ().ok ()) |
| 6874 | 1669 xlabel = gh_manager::make_graphics_handle ("text", __myhandle__); |
| 1670 | |
| 7363 | 1671 return xlabel.handle_value (); |
| 6874 | 1672 } |
| 1673 | |
| 1674 graphics_handle | |
| 1675 axes::properties::get_ylabel (void) const | |
| 1676 { | |
| 7363 | 1677 if (! ylabel.handle_value ().ok ()) |
| 6874 | 1678 ylabel = gh_manager::make_graphics_handle ("text", __myhandle__); |
| 1679 | |
| 7363 | 1680 return ylabel.handle_value (); |
| 6874 | 1681 } |
| 1682 | |
| 1683 graphics_handle | |
| 1684 axes::properties::get_zlabel (void) const | |
| 1685 { | |
| 7363 | 1686 if (! zlabel.handle_value ().ok ()) |
| 6874 | 1687 zlabel = gh_manager::make_graphics_handle ("text", __myhandle__); |
| 1688 | |
| 7363 | 1689 return zlabel.handle_value (); |
| 6705 | 1690 } |
| 6406 | 1691 |
| 6705 | 1692 void |
| 6844 | 1693 axes::properties::remove_child (const graphics_handle& h) |
| 6705 | 1694 { |
| 7363 | 1695 if (title.handle_value ().ok () && h == title.handle_value ()) |
| 6705 | 1696 title = gh_manager::make_graphics_handle ("text", __myhandle__); |
| 7363 | 1697 else if (xlabel.handle_value ().ok () && h == xlabel.handle_value ()) |
| 6705 | 1698 xlabel = gh_manager::make_graphics_handle ("text", __myhandle__); |
| 7363 | 1699 else if (ylabel.handle_value ().ok () && h == ylabel.handle_value ()) |
| 6705 | 1700 ylabel = gh_manager::make_graphics_handle ("text", __myhandle__); |
| 7363 | 1701 else if (zlabel.handle_value ().ok () && h == zlabel.handle_value ()) |
| 6705 | 1702 zlabel = gh_manager::make_graphics_handle ("text", __myhandle__); |
| 1703 else | |
| 1704 base_properties::remove_child (h); | |
| 1705 } | |
| 6406 | 1706 |
| 6705 | 1707 void |
| 6844 | 1708 axes::properties::delete_children (void) |
| 6705 | 1709 { |
| 1710 base_properties::delete_children (); | |
| 1711 | |
| 7363 | 1712 gh_manager::free (title.handle_value ()); |
| 1713 gh_manager::free (xlabel.handle_value ()); | |
| 1714 gh_manager::free (ylabel.handle_value ()); | |
| 1715 gh_manager::free (zlabel.handle_value ()); | |
| 6705 | 1716 } |
| 6406 | 1717 |
| 7427 | 1718 inline Matrix |
| 1719 xform_matrix (void) | |
| 1720 { | |
| 1721 Matrix m (4, 4, 0.0); | |
| 1722 for (int i = 0; i < 4; i++) | |
| 1723 m(i,i) = 1; | |
| 1724 return m; | |
| 1725 } | |
| 1726 | |
| 1727 inline ColumnVector | |
| 1728 xform_vector (void) | |
| 1729 { | |
| 1730 ColumnVector v (4, 0.0); | |
| 1731 v(3) = 1; | |
| 1732 return v; | |
| 1733 } | |
| 1734 | |
| 1735 inline ColumnVector | |
| 1736 xform_vector (double x, double y, double z) | |
| 1737 { | |
| 1738 ColumnVector v (4, 1.0); | |
| 1739 v(0) = x; v(1) = y; v(2) = z; | |
| 1740 return v; | |
| 1741 } | |
| 1742 | |
| 1743 inline ColumnVector | |
| 1744 transform (const Matrix& m, double x, double y, double z) | |
| 1745 { | |
| 1746 return (m * xform_vector (x, y, z)); | |
| 1747 } | |
| 1748 | |
| 1749 inline Matrix | |
| 1750 xform_scale (double x, double y, double z) | |
| 1751 { | |
| 1752 Matrix m (4, 4, 0.0); | |
| 1753 m(0,0) = x; m(1,1) = y; m(2,2) = z; m(3,3) = 1; | |
| 1754 return m; | |
| 1755 } | |
| 1756 | |
| 1757 inline Matrix | |
| 1758 xform_translate (double x, double y, double z) | |
| 1759 { | |
| 1760 Matrix m = xform_matrix (); | |
| 1761 m(0,3) = x; m(1,3) = y; m(2,3) = z; m(3,3) = 1; | |
| 1762 return m; | |
| 1763 } | |
| 1764 | |
| 1765 inline void | |
| 1766 scale (Matrix& m, double x, double y, double z) | |
| 1767 { | |
| 1768 m = m * xform_scale (x, y, z); | |
| 1769 } | |
| 1770 | |
| 1771 inline void | |
| 1772 translate (Matrix& m, double x, double y, double z) | |
| 1773 { | |
| 1774 m = m * xform_translate (x, y, z); | |
| 1775 } | |
| 1776 | |
| 1777 inline void | |
| 1778 xform (ColumnVector& v, const Matrix& m) | |
| 1779 { | |
| 1780 v = m*v; | |
| 1781 } | |
| 1782 | |
| 1783 inline void | |
| 1784 scale (ColumnVector& v, double x, double y, double z) | |
| 1785 { | |
| 1786 v(0) *= x; | |
| 1787 v(1) *= y; | |
| 1788 v(2) *= z; | |
| 1789 } | |
| 1790 | |
| 1791 inline void | |
| 1792 translate (ColumnVector& v, double x, double y, double z) | |
| 1793 { | |
| 1794 v(0) += x; | |
| 1795 v(1) += y; | |
| 1796 v(2) += z; | |
| 1797 } | |
| 1798 | |
| 1799 inline void | |
| 1800 normalize (ColumnVector& v) | |
| 1801 { | |
| 1802 double fact = 1.0/sqrt(v(0)*v(0)+v(1)*v(1)+v(2)*v(2)); | |
| 1803 scale (v, fact, fact, fact); | |
| 1804 } | |
| 1805 | |
| 1806 inline double | |
| 1807 dot (const ColumnVector& v1, const ColumnVector& v2) | |
| 1808 { | |
| 1809 return (v1(0)*v2(0)+v1(1)*v2(1)+v1(2)*v2(2)); | |
| 1810 } | |
| 1811 | |
| 1812 inline double | |
| 1813 norm (const ColumnVector& v) | |
| 1814 { | |
| 1815 return sqrt (dot (v, v)); | |
| 1816 } | |
| 1817 | |
| 1818 inline ColumnVector | |
| 1819 cross (const ColumnVector& v1, const ColumnVector& v2) | |
| 1820 { | |
| 1821 ColumnVector r = xform_vector (); | |
| 1822 r(0) = v1(1)*v2(2)-v1(2)*v2(1); | |
| 1823 r(1) = v1(2)*v2(0)-v1(0)*v2(2); | |
| 1824 r(2) = v1(0)*v2(1)-v1(1)*v2(0); | |
| 1825 return r; | |
| 1826 } | |
| 1827 | |
| 1828 inline Matrix | |
| 1829 unit_cube (void) | |
| 1830 { | |
| 1831 static double data[32] = { | |
| 1832 0,0,0,1, | |
| 1833 1,0,0,1, | |
| 1834 0,1,0,1, | |
| 1835 0,0,1,1, | |
| 1836 1,1,0,1, | |
| 1837 1,0,1,1, | |
| 1838 0,1,1,1, | |
| 1839 1,1,1,1}; | |
| 1840 Matrix m (4, 8); | |
| 1841 memcpy (m.fortran_vec (), data, sizeof(double)*32); | |
| 1842 return m; | |
| 1843 } | |
| 1844 | |
| 1845 inline ColumnVector | |
| 1846 cam2xform (const Array<double>& m) | |
| 1847 { | |
| 1848 ColumnVector retval (4, 1.0); | |
| 1849 memcpy (retval.fortran_vec (), m.fortran_vec (), sizeof(double)*3); | |
| 1850 return retval; | |
| 1851 } | |
| 1852 | |
| 1853 inline RowVector | |
| 1854 xform2cam (const ColumnVector& v) | |
| 1855 { | |
| 1856 return v.extract_n (0, 3).transpose (); | |
| 1857 } | |
| 1858 | |
| 1859 void | |
| 1860 axes::properties::update_camera (void) | |
| 1861 { | |
| 1862 double xd = (xdir_is ("normal") ? 1 : -1); | |
| 1863 double yd = (ydir_is ("normal") ? 1 : -1); | |
| 1864 double zd = (zdir_is ("normal") ? 1 : -1); | |
| 1865 | |
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1866 Matrix xlimits = sx.scale (get_xlim ().matrix_value ()); |
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1867 Matrix ylimits = sy.scale (get_ylim ().matrix_value ()); |
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1868 Matrix zlimits = sz.scale (get_zlim ().matrix_value ()); |
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1869 |
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1870 double xo = xlimits(xd > 0 ? 0 : 1); |
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1871 double yo = ylimits(yd > 0 ? 0 : 1); |
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1872 double zo = zlimits(zd > 0 ? 0 : 1); |
| 7427 | 1873 |
| 1874 Matrix pb = get_plotboxaspectratio ().matrix_value (); | |
| 1875 | |
| 1876 bool autocam = (camerapositionmode_is ("auto") | |
| 1877 && cameratargetmode_is ("auto") | |
| 1878 && cameraupvectormode_is ("auto") | |
| 1879 && cameraviewanglemode_is ("auto")); | |
| 1880 bool dowarp = (autocam && dataaspectratiomode_is("auto") | |
| 1881 && plotboxaspectratiomode_is ("auto")); | |
| 1882 | |
| 1883 ColumnVector c_eye (xform_vector ()); | |
| 1884 ColumnVector c_center (xform_vector ()); | |
| 1885 ColumnVector c_upv (xform_vector ()); | |
| 1886 | |
| 1887 if (cameratargetmode_is ("auto")) | |
| 1888 { | |
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1889 c_center(0) = (xlimits(0)+xlimits(1))/2; |
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1890 c_center(1) = (ylimits(0)+ylimits(1))/2; |
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1891 c_center(2) = (zlimits(0)+zlimits(1))/2; |
| 7427 | 1892 |
| 1893 cameratarget = xform2cam (c_center); | |
| 1894 } | |
| 1895 else | |
| 1896 c_center = cam2xform (get_cameratarget ().matrix_value ()); | |
| 1897 | |
| 1898 if (camerapositionmode_is ("auto")) | |
| 1899 { | |
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1900 Matrix tview = get_view ().matrix_value (); |
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1901 double az = tview(0), el = tview(1); |
| 7427 | 1902 double d = 5*sqrt(pb(0)*pb(0)+pb(1)*pb(1)+pb(2)*pb(2)); |
| 1903 | |
| 1904 if (el == 90 || el == -90) | |
| 1905 c_eye(2) = d*signum(el); | |
| 1906 else | |
| 1907 { | |
| 1908 az *= M_PI/180.0; | |
| 1909 el *= M_PI/180.0; | |
| 1910 c_eye(0) = d*cos(el)*sin(az); | |
| 1911 c_eye(1) = -d*cos(el)*cos(az); | |
| 1912 c_eye(2) = d*sin(el); | |
| 1913 } | |
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1914 c_eye(0) = c_eye(0)*(xlimits(1)-xlimits(0))/(xd*pb(0))+c_center(0); |
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1915 c_eye(1) = c_eye(1)*(ylimits(1)-ylimits(0))/(yd*pb(1))+c_center(1); |
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1916 c_eye(2) = c_eye(2)*(zlimits(1)-zlimits(0))/(zd*pb(2))+c_center(2); |
| 7427 | 1917 |
| 1918 cameraposition = xform2cam (c_eye); | |
| 1919 } | |
| 1920 else | |
| 1921 c_eye = cam2xform (get_cameraposition ().matrix_value ()); | |
| 1922 | |
| 1923 if (cameraupvectormode_is ("auto")) | |
| 1924 { | |
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1925 Matrix tview = get_view ().matrix_value (); |
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1926 double az = tview(0), el = tview(1); |
| 7427 | 1927 |
| 1928 if (el == 90 || el == -90) | |
| 1929 { | |
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1930 c_upv(0) = -sin(az*M_PI/180.0)*(xlimits(1)-xlimits(0))/pb(0); |
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1931 c_upv(1) = cos(az*M_PI/180.0)*(ylimits(1)-ylimits(0))/pb(1); |
| 7427 | 1932 } |
| 1933 else | |
| 1934 c_upv(2) = 1; | |
| 1935 | |
| 1936 cameraupvector = xform2cam (c_upv); | |
| 1937 } | |
| 1938 else | |
| 1939 c_upv = cam2xform (get_cameraupvector ().matrix_value ()); | |
| 1940 | |
| 1941 Matrix x_view = xform_matrix (); | |
| 1942 Matrix x_projection = xform_matrix (); | |
| 1943 Matrix x_viewport = xform_matrix (); | |
| 1944 Matrix x_normrender = xform_matrix (); | |
| 1945 Matrix x_pre = xform_matrix (); | |
| 1946 | |
| 1947 x_render = xform_matrix (); | |
| 1948 x_render_inv = xform_matrix (); | |
| 1949 | |
| 1950 scale (x_pre, pb(0), pb(1), pb(2)); | |
| 1951 translate (x_pre, -0.5, -0.5, -0.5); | |
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1952 scale (x_pre, xd/(xlimits(1)-xlimits(0)), yd/(ylimits(1)-ylimits(0)), |
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1953 zd/(zlimits(1)-zlimits(0))); |
| 7427 | 1954 translate (x_pre, -xo, -yo, -zo); |
| 1955 | |
| 1956 xform (c_eye, x_pre); | |
| 1957 xform (c_center, x_pre); | |
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1958 scale (c_upv, pb(0)/(xlimits(1)-xlimits(0)), pb(1)/(ylimits(1)-ylimits(0)), |
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1959 pb(2)/(zlimits(1)-zlimits(0))); |
| 7427 | 1960 translate (c_center, -c_eye(0), -c_eye(1), -c_eye(2)); |
| 1961 | |
| 1962 ColumnVector F (c_center), f (F), UP (c_upv); | |
| 1963 normalize (f); | |
| 1964 normalize (UP); | |
| 1965 | |
| 7440 | 1966 if (std::abs (dot (f, UP)) > 1e-15) |
| 7427 | 1967 { |
| 1968 double fa = 1/sqrt(1-f(2)*f(2)); | |
| 1969 scale (UP, fa, fa, fa); | |
| 1970 } | |
| 1971 | |
| 1972 ColumnVector s = cross (f, UP); | |
| 1973 ColumnVector u = cross (s, f); | |
| 1974 | |
| 1975 scale (x_view, 1, 1, -1); | |
| 1976 Matrix l = xform_matrix (); | |
| 1977 l(0,0) = s(0); l(0,1) = s(1); l(0,2) = s(2); | |
| 1978 l(1,0) = u(0); l(1,1) = u(1); l(1,2) = u(2); | |
| 1979 l(2,0) = -f(0); l(2,1) = -f(1); l(2,2) = -f(2); | |
| 1980 x_view = x_view * l; | |
| 1981 translate (x_view, -c_eye(0), -c_eye(1), -c_eye(2)); | |
| 1982 scale (x_view, pb(0), pb(1), pb(2)); | |
| 1983 translate (x_view, -0.5, -0.5, -0.5); | |
| 1984 | |
| 1985 Matrix x_cube = x_view * unit_cube (); | |
| 1986 ColumnVector cmin = x_cube.row_min (), cmax = x_cube.row_max (); | |
| 1987 double xM = cmax(0)-cmin(0); | |
| 1988 double yM = cmax(1)-cmin(1); | |
| 1989 | |
| 7447 | 1990 Matrix bb = get_boundingbox (true); |
| 7427 | 1991 |
| 1992 double v_angle; | |
| 1993 | |
| 1994 if (cameraviewanglemode_is ("auto")) | |
| 1995 { | |
| 1996 double af; | |
| 1997 | |
| 1998 // FIXME: Was this really needed? When compared to Matlab, it | |
| 1999 // does not seem to be required. Need investigation with concrete | |
| 2000 // backend to see results visually. | |
| 2001 if (false && dowarp) | |
| 2002 af = 1.0 / (xM > yM ? xM : yM); | |
| 2003 else | |
| 2004 { | |
| 2005 if ((bb(2)/bb(3)) > (xM/yM)) | |
| 2006 af = 1.0 / yM; | |
| 2007 else | |
| 2008 af = 1.0 / xM; | |
| 2009 } | |
| 2010 v_angle = 2 * (180.0 / M_PI) * atan (1 / (2 * af * norm (F))); | |
| 2011 | |
| 2012 cameraviewangle = v_angle; | |
| 2013 } | |
| 2014 else | |
| 2015 v_angle = get_cameraviewangle (); | |
| 2016 | |
| 2017 double pf = 1 / (2 * tan ((v_angle / 2) * M_PI / 180.0) * norm (F)); | |
| 2018 scale (x_projection, pf, pf, 1); | |
| 2019 | |
| 2020 if (dowarp) | |
| 2021 { | |
| 2022 xM *= pf; | |
| 2023 yM *= pf; | |
| 7447 | 2024 translate (x_viewport, bb(0)+bb(2)/2, bb(1)+bb(3)/2, 0); |
| 7427 | 2025 scale (x_viewport, bb(2)/xM, -bb(3)/yM, 1); |
| 2026 } | |
| 2027 else | |
| 2028 { | |
| 2029 double pix = 1; | |
| 2030 if (autocam) | |
| 2031 { | |
| 2032 if ((bb(2)/bb(3)) > (xM/yM)) | |
| 2033 pix = bb(3); | |
| 2034 else | |
| 2035 pix = bb(2); | |
| 2036 } | |
| 2037 else | |
| 2038 pix = (bb(2) < bb(3) ? bb(2) : bb(3)); | |
| 7447 | 2039 translate (x_viewport, bb(0)+bb(2)/2, bb(1)+bb(3)/2, 0); |
| 7427 | 2040 scale (x_viewport, pix, -pix, 1); |
| 2041 } | |
| 2042 | |
| 2043 x_normrender = x_viewport * x_projection * x_view; | |
| 2044 | |
| 2045 x_cube = x_normrender * unit_cube (); | |
| 2046 cmin = x_cube.row_min (); | |
| 2047 cmax = x_cube.row_max (); | |
| 2048 x_zlim.resize (1, 2); | |
| 2049 x_zlim(0) = cmin(2); | |
| 2050 x_zlim(1) = cmax(2); | |
| 2051 | |
| 2052 x_render = x_normrender; | |
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2053 scale (x_render, xd/(xlimits(1)-xlimits(0)), yd/(ylimits(1)-ylimits(0)), |
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2054 zd/(zlimits(1)-zlimits(0))); |
| 7427 | 2055 translate (x_render, -xo, -yo, -zo); |
| 2056 | |
| 2057 x_viewtransform = x_view; | |
| 2058 x_projectiontransform = x_projection; | |
| 2059 x_viewporttransform = x_viewport; | |
| 2060 x_normrendertransform = x_normrender; | |
| 2061 x_rendertransform = x_render; | |
| 2062 | |
| 2063 x_render_inv = x_render.inverse (); | |
| 2064 | |
| 2065 // Note: these matrices are a slight modified version of the regular | |
| 2066 // matrices, more suited for OpenGL rendering (x_gl_mat1 => light | |
| 2067 // => x_gl_mat2) | |
| 2068 x_gl_mat1 = x_view; | |
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2069 scale (x_gl_mat1, xd/(xlimits(1)-xlimits(0)), yd/(ylimits(1)-ylimits(0)), |
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2070 zd/(zlimits(1)-zlimits(0))); |
| 7427 | 2071 translate (x_gl_mat1, -xo, -yo, -zo); |
| 2072 x_gl_mat2 = x_viewport * x_projection; | |
| 2073 } | |
| 2074 | |
| 2075 void | |
| 2076 axes::properties::update_aspectratios (void) | |
| 2077 { | |
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2078 Matrix xlimits = get_xlim ().matrix_value (); |
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2079 Matrix ylimits = get_ylim ().matrix_value (); |
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2080 Matrix zlimits = get_zlim ().matrix_value (); |
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2081 |
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2082 double dx = (xlimits(1)-xlimits(0)); |
|
52d58b0463ed
graphics.cc, graphics.h.in: avoid some GCC warnings
John W. Eaton <jwe@octave.org>
parents:
7523
diff
changeset
|
2083 double dy = (ylimits(1)-ylimits(0)); |
|
52d58b0463ed
graphics.cc, graphics.h.in: avoid some GCC warnings
John W. Eaton <jwe@octave.org>
parents:
7523
diff
changeset
|
2084 double dz = (zlimits(1)-zlimits(0)); |
| 7427 | 2085 |
| 2086 if (dataaspectratiomode_is ("auto")) | |
| 2087 { | |
| 2088 double dmin = xmin (xmin (dx, dy), dz); | |
| 2089 Matrix da (1, 3, 0.0); | |
| 2090 | |
| 2091 da(0) = dx/dmin; | |
| 2092 da(1) = dy/dmin; | |
| 2093 da(2) = dz/dmin; | |
| 2094 | |
| 2095 dataaspectratio = da; | |
| 2096 } | |
| 2097 | |
| 2098 if (plotboxaspectratiomode_is ("auto")) | |
| 2099 { | |
| 2100 if (dataaspectratiomode_is ("auto")) | |
| 2101 plotboxaspectratio = Matrix (1, 3, 1.0); | |
| 2102 else | |
| 2103 { | |
| 2104 Matrix da = get_dataaspectratio ().matrix_value (); | |
| 2105 Matrix pba (1, 3, 0.0); | |
| 2106 | |
| 2107 pba(0) = dx/da(0); | |
| 2108 pba(1) = dy/da(1); | |
| 2109 pba(2) = dz/da(2); | |
| 2110 } | |
| 2111 } | |
| 2112 | |
| 2113 // FIXME: if plotboxaspectratiomode is "manual", limits | |
| 2114 // and/or dataaspectratio might be adapted | |
| 2115 } | |
| 2116 | |
| 7447 | 2117 // The INTERNAL flag defines whether position or outerposition is used. |
| 2118 | |
| 7427 | 2119 Matrix |
| 7447 | 2120 axes::properties::get_boundingbox (bool internal) const |
| 7427 | 2121 { |
| 7447 | 2122 graphics_object obj = gh_manager::get_object (get_parent ()); |
| 2123 Matrix parent_bb = obj.get_properties ().get_boundingbox (true); | |
| 2124 Matrix pos = (internal ? | |
| 2125 get_position ().matrix_value () | |
| 2126 : get_outerposition ().matrix_value ()); | |
| 2127 | |
| 2128 | |
| 2129 pos = convert_position (pos, get_units (), "pixels", | |
| 2130 parent_bb.extract_n (0, 2, 1, 2), get_backend ()); | |
| 7427 | 2131 pos(0)--; |
| 2132 pos(1)--; | |
| 7447 | 2133 pos(1) = parent_bb(3) - pos(1) - pos(3); |
| 7427 | 2134 |
| 2135 return pos; | |
| 2136 } | |
| 2137 | |
| 7435 | 2138 ColumnVector |
| 2139 graphics_xform::xform_vector (double x, double y, double z) | |
| 2140 { return ::xform_vector (x, y, z); } | |
| 2141 | |
| 2142 Matrix | |
| 2143 graphics_xform::xform_eye (void) | |
| 2144 { return ::xform_matrix (); } | |
| 2145 | |
| 2146 ColumnVector | |
| 2147 graphics_xform::transform (double x, double y, double z, | |
| 2148 bool use_scale) const | |
| 2149 { | |
| 2150 if (use_scale) | |
| 2151 { | |
| 2152 x = sx.scale (x); | |
| 2153 y = sy.scale (y); | |
| 2154 z = sz.scale (z); | |
| 2155 } | |
| 2156 | |
| 2157 return ::transform (xform, x, y, z); | |
| 2158 } | |
| 2159 | |
| 2160 ColumnVector | |
| 2161 graphics_xform::untransform (double x, double y, double z, | |
| 2162 bool use_scale) const | |
| 2163 { | |
| 2164 ColumnVector v = ::transform (xform_inv, x, y, z); | |
| 2165 | |
| 2166 if (use_scale) | |
| 2167 { | |
| 2168 v(0) = sx.unscale (v(0)); | |
| 2169 v(1) = sy.unscale (v(1)); | |
| 2170 v(2) = sz.unscale (v(2)); | |
| 2171 } | |
| 2172 | |
| 2173 return v; | |
| 2174 } | |
| 2175 | |
| 6836 | 2176 octave_value |
| 7189 | 2177 axes::get_default (const caseless_str& name) const |
| 6836 | 2178 { |
| 2179 octave_value retval = default_properties.lookup (name); | |
| 2180 | |
| 2181 if (retval.is_undefined ()) | |
| 2182 { | |
| 2183 graphics_handle parent = get_parent (); | |
| 2184 graphics_object parent_obj = gh_manager::get_object (parent); | |
| 2185 | |
| 2186 retval = parent_obj.get_default (name); | |
| 2187 } | |
| 2188 | |
| 2189 return retval; | |
| 2190 } | |
| 2191 | |
| 7222 | 2192 static void |
| 2193 check_limit_vals (double& min_val, double& max_val, double& min_pos, | |
| 2194 const data_property& data) | |
| 2195 { | |
| 7267 | 2196 double val = data.min_val (); |
| 2197 if (! (xisinf (val) || xisnan (val)) && val < min_val) | |
| 2198 min_val = val; | |
| 2199 val = data.max_val (); | |
| 2200 if (! (xisinf (val) || xisnan (val)) && val > max_val) | |
| 2201 max_val = val; | |
| 2202 val = data.min_pos (); | |
| 2203 if (! (xisinf (val) || xisnan (val)) && val > 0 && val < min_pos) | |
| 2204 min_pos = val; | |
| 7222 | 2205 } |
| 2206 | |
| 2207 // Attempt to make "nice" limits from the actual max and min of the | |
| 2208 // data. For log plots, we will also use the smallest strictly positive | |
| 2209 // value. | |
| 2210 | |
| 2211 static Matrix | |
| 2212 get_axis_limits (double xmin, double xmax, double min_pos, bool logscale) | |
| 2213 { | |
| 2214 Matrix retval; | |
| 2215 | |
| 2216 double min_val = xmin; | |
| 2217 double max_val = xmax; | |
| 2218 | |
| 2219 if (! (xisinf (min_val) || xisinf (max_val))) | |
| 2220 { | |
| 2221 if (logscale) | |
| 2222 { | |
| 2223 if (xisinf (min_pos)) | |
| 2224 { | |
| 2225 // warning ("axis: logscale with no positive values to plot"); | |
| 2226 return retval; | |
| 2227 } | |
| 2228 | |
| 2229 if (min_val <= 0) | |
| 2230 { | |
| 2231 warning ("axis: omitting nonpositive data in log plot"); | |
| 2232 min_val = min_pos; | |
| 2233 } | |
| 2234 // FIXME -- maybe this test should also be relative? | |
| 2235 if (std::abs (min_val - max_val) < sqrt (DBL_EPSILON)) | |
| 2236 { | |
| 2237 min_val *= 0.9; | |
| 2238 max_val *= 1.1; | |
| 2239 } | |
| 2240 min_val = pow (10, floor (log10 (min_val))); | |
| 2241 max_val = pow (10, ceil (log10 (max_val))); | |
| 2242 } | |
| 2243 else | |
| 2244 { | |
| 2245 if (min_val == 0 && max_val == 0) | |
| 2246 { | |
| 2247 min_val = -1; | |
| 2248 max_val = 1; | |
| 2249 } | |
| 2250 // FIXME -- maybe this test should also be relative? | |
| 2251 else if (std::abs (min_val - max_val) < sqrt (DBL_EPSILON)) | |
| 2252 { | |
| 2253 min_val -= 0.1 * std::abs (min_val); | |
| 2254 max_val += 0.1 * std::abs (max_val); | |
| 2255 } | |
| 2256 // FIXME -- to do a better job, we should consider the tic spacing. | |
| 2257 double scale = pow (10, floor (log10 (max_val - min_val) - 1)); | |
| 2258 min_val = scale * floor (min_val / scale); | |
| 2259 max_val = scale * ceil (max_val / scale); | |
| 2260 } | |
| 2261 } | |
| 2262 | |
| 2263 retval.resize (1, 2); | |
| 2264 | |
| 2265 retval(0) = min_val; | |
| 2266 retval(1) = max_val; | |
| 2267 | |
| 2268 return retval; | |
| 2269 } | |
| 2270 | |
| 7446 | 2271 // magform(x) Returns (a, b), where x = a * 10^b, a >= 1., and b is |
| 7447 | 2272 // integral. |
| 7446 | 2273 |
| 2274 void | |
| 7447 | 2275 axes::properties::magform (double x, double& a, int& b) |
| 7446 | 2276 { |
| 2277 if (x == 0) | |
| 2278 { | |
| 2279 a = 0; | |
| 2280 b = 0; | |
| 2281 } | |
| 2282 else | |
| 2283 { | |
| 2284 double l = std::log10 (std::abs (x)); | |
| 2285 double r = std::fmod (l, 1.); | |
| 2286 a = std::pow (10.0, r); | |
| 2287 b = static_cast<int> (l-r); | |
| 2288 if (a < 1) | |
| 2289 { | |
| 2290 a *= 10; | |
| 2291 b -= 1; | |
| 2292 } | |
| 2293 | |
| 2294 if (x < 0) | |
| 2295 a = -a; | |
| 2296 } | |
| 2297 } | |
| 2298 | |
| 2299 // A translation from Tom Holoryd's python code at | |
| 2300 // http://kurage.nimh.nih.gov/tomh/tics.py | |
| 2301 // FIXME -- add log ticks | |
| 7447 | 2302 |
| 7446 | 2303 void |
| 2304 axes::properties::calc_ticks (const array_property& lims, array_property& ticks) | |
| 2305 { | |
| 2306 int ticint = 5; | |
| 2307 | |
| 2308 if (lims.get ().is_empty ()) | |
| 2309 return; | |
| 2310 | |
| 2311 double lo = (lims.get ().matrix_value ()) (0); | |
| 2312 double hi = (lims.get ().matrix_value ()) (1); | |
| 2313 | |
| 2314 // Reference: Lewart, C. R., "Algorithms SCALE1, SCALE2, and | |
| 2315 // SCALE3 for Determination of Scales on Computer Generated | |
| 2316 // Plots", Communications of the ACM, 10 (1973), 639-640. | |
| 2317 // Also cited as ACM Algorithm 463. | |
| 2318 | |
| 2319 double a; | |
| 2320 int b, x; | |
| 7447 | 2321 |
| 2322 magform ((hi-lo)/ticint, a, b); | |
| 2323 | |
| 2324 static const double sqrt_2 = sqrt (2.0); | |
| 2325 static const double sqrt_10 = sqrt (10.0); | |
| 2326 static const double sqrt_50 = sqrt (50.0); | |
| 2327 | |
| 2328 if (a < sqrt_2) | |
| 7446 | 2329 x = 1; |
| 7447 | 2330 else if (a < sqrt_10) |
| 7446 | 2331 x = 2; |
| 7447 | 2332 else if (a < sqrt_50) |
| 7446 | 2333 x = 5; |
| 2334 else | |
| 2335 x = 10; | |
| 2336 | |
| 2337 double sep = x * std::pow (10., b); | |
| 2338 | |
| 2339 // FIXME x can now be used to set minor ticks | |
| 2340 if (x == 10) | |
| 2341 x = 1; | |
| 2342 | |
| 2343 // The following guarantees that if zero is in the range, it will be | |
| 2344 // included as a tic. | |
| 2345 | |
| 2346 int i1 = static_cast<int> (std::floor (lo / sep)); | |
| 2347 int i2 = static_cast<int> (std::ceil (hi / sep)); | |
| 2348 | |
| 2349 Matrix limits (1, i2-i1+1); | |
| 7447 | 2350 for (int i = 0; i < i2-i1+1; i++) |
| 7446 | 2351 limits (i) = sep*(i+i1); |
| 2352 | |
| 2353 ticks = limits; | |
| 2354 } | |
| 2355 | |
| 7222 | 2356 static bool updating_axis_limits = false; |
| 2357 | |
| 7214 | 2358 void |
| 7222 | 2359 axes::update_axis_limits (const std::string& axis_type) |
| 7214 | 2360 { |
| 7222 | 2361 if (updating_axis_limits) |
| 2362 return; | |
| 2363 | |
| 2364 Matrix kids = xproperties.get_children (); | |
| 2365 | |
| 2366 octave_idx_type n = kids.numel (); | |
| 2367 | |
| 2368 double min_val = octave_Inf; | |
| 2369 double max_val = -octave_Inf; | |
| 2370 double min_pos = octave_Inf; | |
| 2371 | |
| 2372 char update_type = 0; | |
| 2373 | |
| 2374 Matrix limits; | |
| 2375 | |
| 2376 if (axis_type == "xdata" || axis_type == "xscale" | |
| 2377 || axis_type == "xldata" || axis_type == "xudata" | |
| 2378 || axis_type == "xlimmode") | |
| 2379 { | |
| 7363 | 2380 if (xproperties.xlimmode_is ("auto")) |
| 7222 | 2381 { |
| 2382 for (octave_idx_type i = 0; i < n; i++) | |
| 2383 { | |
| 2384 graphics_object obj = gh_manager::get_object (kids(i)); | |
| 2385 | |
| 2386 if (obj.isa ("line") || obj.isa ("image") | |
| 2387 || obj.isa ("patch") || obj.isa ("surface")) | |
| 2388 { | |
| 7363 | 2389 data_property xdata = obj.get_xdata_property (); |
| 7222 | 2390 |
| 2391 check_limit_vals (min_val, max_val, min_pos, xdata); | |
| 2392 | |
| 2393 if (obj.isa ("line")) | |
| 2394 { | |
| 7363 | 2395 data_property xldata = obj.get_xldata_property (); |
| 2396 data_property xudata = obj.get_xudata_property (); | |
| 7222 | 2397 |
| 2398 check_limit_vals (min_val, max_val, min_pos, xldata); | |
| 2399 check_limit_vals (min_val, max_val, min_pos, xudata); | |
| 2400 } | |
| 2401 } | |
| 2402 } | |
| 2403 | |
| 2404 limits = get_axis_limits (min_val, max_val, min_pos, | |
| 7363 | 2405 xproperties.xscale_is ("log")); |
| 7222 | 2406 |
| 2407 update_type = 'x'; | |
| 2408 } | |
| 2409 } | |
| 2410 else if (axis_type == "ydata" || axis_type == "yscale" | |
| 2411 || axis_type == "ldata" || axis_type == "udata" | |
| 2412 || axis_type == "ylimmode") | |
| 2413 { | |
| 7363 | 2414 if (xproperties.ylimmode_is ("auto")) |
| 7222 | 2415 { |
| 2416 for (octave_idx_type i = 0; i < n; i++) | |
| 2417 { | |
| 2418 graphics_object obj = gh_manager::get_object (kids(i)); | |
| 2419 | |
| 2420 if (obj.isa ("line") || obj.isa ("image") | |
| 2421 || obj.isa ("patch") || obj.isa ("surface")) | |
| 2422 { | |
| 7363 | 2423 data_property ydata = obj.get_ydata_property (); |
| 7222 | 2424 |
| 2425 check_limit_vals (min_val, max_val, min_pos, ydata); | |
| 2426 | |
| 2427 if (obj.isa ("line")) | |
| 2428 { | |
| 7363 | 2429 data_property ldata = obj.get_ldata_property (); |
| 2430 data_property udata = obj.get_udata_property (); | |
| 7222 | 2431 |
| 2432 check_limit_vals (min_val, max_val, min_pos, ldata); | |
| 2433 check_limit_vals (min_val, max_val, min_pos, udata); | |
| 2434 } | |
| 2435 } | |
| 2436 } | |
| 2437 | |
| 2438 limits = get_axis_limits (min_val, max_val, min_pos, | |
| 7363 | 2439 xproperties.yscale_is ("log")); |
| 7222 | 2440 |
| 2441 update_type = 'y'; | |
| 2442 } | |
| 2443 } | |
| 2444 else if (axis_type == "zdata" || axis_type == "zscale" | |
| 2445 || axis_type == "zlimmode") | |
| 2446 { | |
| 7363 | 2447 if (xproperties.zlimmode_is ("auto")) |
| 7222 | 2448 { |
| 2449 for (octave_idx_type i = 0; i < n; i++) | |
| 2450 { | |
| 2451 graphics_object obj = gh_manager::get_object (kids(i)); | |
| 2452 | |
| 2453 if (obj.isa ("line") || obj.isa ("patch") || obj.isa ("surface")) | |
| 2454 { | |
| 7363 | 2455 data_property zdata = obj.get_zdata_property (); |
| 7222 | 2456 |
| 2457 check_limit_vals (min_val, max_val, min_pos, zdata); | |
| 2458 } | |
| 2459 } | |
| 2460 | |
| 2461 limits = get_axis_limits (min_val, max_val, min_pos, | |
| 7363 | 2462 xproperties.zscale_is ("log")); |
| 7222 | 2463 |
| 2464 update_type = 'z'; | |
| 2465 } | |
| 2466 } | |
| 2467 else if (axis_type == "cdata" || axis_type == "climmode") | |
| 2468 { | |
| 7363 | 2469 if (xproperties.climmode_is ("auto")) |
| 7222 | 2470 { |
| 2471 for (octave_idx_type i = 0; i < n; i++) | |
| 2472 { | |
| 2473 graphics_object obj = gh_manager::get_object (kids(i)); | |
| 2474 | |
| 2475 if (obj.isa ("image") || obj.isa ("patch") || obj.isa ("surface")) | |
| 2476 { | |
| 7363 | 2477 data_property cdata = obj.get_cdata_property (); |
| 7222 | 2478 |
| 2479 check_limit_vals (min_val, max_val, min_pos, cdata); | |
| 2480 } | |
| 2481 } | |
| 2482 | |
| 2483 if (min_val == max_val) | |
| 2484 max_val = min_val + 1; | |
| 2485 | |
| 2486 limits.resize (1, 2); | |
| 2487 | |
| 2488 limits(0) = min_val; | |
| 2489 limits(1) = max_val; | |
| 2490 | |
| 2491 update_type = 'c'; | |
| 2492 } | |
| 2493 | |
| 2494 } | |
| 2495 | |
| 2496 unwind_protect_bool (updating_axis_limits); | |
| 2497 updating_axis_limits = true; | |
| 2498 | |
| 2499 switch (update_type) | |
| 2500 { | |
| 2501 case 'x': | |
| 2502 xproperties.set_xlim (limits); | |
| 2503 xproperties.set_xlimmode ("auto"); | |
| 7446 | 2504 xproperties.update_xlim (); |
| 7222 | 2505 break; |
| 2506 | |
| 2507 case 'y': | |
| 2508 xproperties.set_ylim (limits); | |
| 2509 xproperties.set_ylimmode ("auto"); | |
| 7446 | 2510 xproperties.update_ylim (); |
| 7222 | 2511 break; |
| 2512 | |
| 2513 case 'z': | |
| 2514 xproperties.set_zlim (limits); | |
| 2515 xproperties.set_zlimmode ("auto"); | |
| 7446 | 2516 xproperties.update_zlim (); |
| 7222 | 2517 break; |
| 2518 | |
| 2519 case 'c': | |
| 2520 xproperties.set_clim (limits); | |
| 2521 xproperties.set_climmode ("auto"); | |
| 2522 break; | |
| 2523 | |
| 2524 default: | |
| 2525 break; | |
| 2526 } | |
| 2527 | |
| 7427 | 2528 xproperties.update_transform (); |
| 2529 | |
| 7222 | 2530 unwind_protect::run (); |
| 7214 | 2531 } |
| 2532 | |
| 7363 | 2533 // --------------------------------------------------------------------- |
| 2534 | |
| 2535 // Note: "line" code is entirely auto-generated | |
| 6406 | 2536 |
| 2537 // --------------------------------------------------------------------- | |
| 2538 | |
| 7363 | 2539 // Note: "text" code is entirely auto-generated |
| 6406 | 2540 |
| 2541 // --------------------------------------------------------------------- | |
| 2542 | |
| 7363 | 2543 // Note: "image" code is entirely auto-generated |
| 6406 | 2544 |
| 2545 // --------------------------------------------------------------------- | |
| 2546 | |
| 7363 | 2547 // Note: "patch" code is entirely auto-generated |
| 6807 | 2548 |
| 2549 // --------------------------------------------------------------------- | |
| 2550 | |
| 7363 | 2551 // Note: "surface" code is entirely auto-generated |
| 6406 | 2552 |
| 2553 // --------------------------------------------------------------------- | |
| 2554 | |
| 2555 octave_value | |
| 7189 | 2556 base_graphics_object::get_default (const caseless_str& name) const |
| 6406 | 2557 { |
| 2558 graphics_handle parent = get_parent (); | |
| 2559 graphics_object parent_obj = gh_manager::get_object (parent); | |
| 2560 | |
| 2561 return parent_obj.get_default (type () + name); | |
| 2562 } | |
| 2563 | |
| 2564 octave_value | |
| 7189 | 2565 base_graphics_object::get_factory_default (const caseless_str& name) const |
| 6406 | 2566 { |
| 2567 graphics_object parent_obj = gh_manager::get_object (0); | |
| 2568 | |
| 2569 return parent_obj.get_factory_default (type () + name); | |
| 2570 } | |
| 2571 | |
| 7286 | 2572 // We use a random value for the handle to avoid issues with plots and |
| 2573 // scalar values for the first argument. | |
| 6406 | 2574 gh_manager::gh_manager (void) |
| 7286 | 2575 : handle_map (), handle_free_list (), |
| 2576 next_handle (-1.0 - (rand () + 1.0) / (RAND_MAX + 2.0)) | |
| 6406 | 2577 { |
| 2578 handle_map[0] = graphics_object (new root_figure ()); | |
| 2579 } | |
| 2580 | |
| 2581 graphics_handle | |
| 2582 gh_manager::do_make_graphics_handle (const std::string& go_name, | |
| 7370 | 2583 const graphics_handle& p, bool do_createfcn) |
| 6406 | 2584 { |
| 2585 graphics_handle h = get_handle (go_name); | |
| 2586 | |
| 2587 base_graphics_object *go = 0; | |
| 2588 | |
| 2589 if (go_name == "figure") | |
| 2590 go = new figure (h, p); | |
| 2591 else if (go_name == "axes") | |
| 2592 go = new axes (h, p); | |
| 2593 else if (go_name == "line") | |
| 2594 go = new line (h, p); | |
| 2595 else if (go_name == "text") | |
| 2596 go = new text (h, p); | |
| 2597 else if (go_name == "image") | |
| 2598 go = new image (h, p); | |
| 6807 | 2599 else if (go_name == "patch") |
| 2600 go = new patch (h, p); | |
| 6406 | 2601 else if (go_name == "surface") |
| 2602 go = new surface (h, p); | |
| 2603 if (go) | |
| 7370 | 2604 { |
| 2605 handle_map[h] = graphics_object (go); | |
| 2606 if (do_createfcn) | |
| 2607 go->get_properties ().execute_createfcn (); | |
| 2608 } | |
| 6406 | 2609 else |
| 2610 error ("gh_manager::do_make_graphics_handle: invalid object type `%s'", | |
| 2611 go_name.c_str ()); | |
| 2612 | |
| 2613 return h; | |
| 2614 } | |
| 2615 | |
| 2616 graphics_handle | |
| 2617 gh_manager::do_make_figure_handle (double val) | |
| 2618 { | |
| 2619 graphics_handle h = val; | |
| 2620 | |
| 2621 handle_map[h] = graphics_object (new figure (h, 0)); | |
| 2622 | |
| 2623 return h; | |
| 2624 } | |
| 2625 | |
| 2626 void | |
| 2627 gh_manager::do_push_figure (const graphics_handle& h) | |
| 2628 { | |
| 2629 do_pop_figure (h); | |
| 2630 | |
| 2631 figure_list.push_front (h); | |
| 2632 } | |
| 2633 | |
| 2634 void | |
| 2635 gh_manager::do_pop_figure (const graphics_handle& h) | |
| 2636 { | |
| 2637 for (figure_list_iterator p = figure_list.begin (); | |
| 2638 p != figure_list.end (); | |
| 2639 p++) | |
| 2640 { | |
| 2641 if (*p == h) | |
| 2642 { | |
| 2643 figure_list.erase (p); | |
| 2644 break; | |
| 2645 } | |
| 2646 } | |
| 2647 } | |
| 2648 | |
| 2649 property_list::plist_map_type | |
| 2650 root_figure::init_factory_properties (void) | |
| 2651 { | |
| 2652 property_list::plist_map_type plist_map; | |
| 2653 | |
| 6844 | 2654 plist_map["figure"] = figure::properties::factory_defaults (); |
| 2655 plist_map["axes"] = axes::properties::factory_defaults (); | |
| 2656 plist_map["line"] = line::properties::factory_defaults (); | |
| 2657 plist_map["text"] = text::properties::factory_defaults (); | |
| 2658 plist_map["image"] = image::properties::factory_defaults (); | |
| 2659 plist_map["patch"] = patch::properties::factory_defaults (); | |
| 2660 plist_map["surface"] = surface::properties::factory_defaults (); | |
| 6406 | 2661 |
| 2662 return plist_map; | |
| 2663 } | |
| 2664 | |
| 2665 // --------------------------------------------------------------------- | |
| 2666 | |
| 2667 DEFUN (ishandle, args, , | |
| 2668 "-*- texinfo -*-\n\ | |
| 6678 | 2669 @deftypefn {Built-in Function} {} ishandle (@var{h})\n\ |
| 6406 | 2670 Return true if @var{h} is a graphics handle and false otherwise.\n\ |
| 2671 @end deftypefn") | |
| 2672 { | |
| 2673 octave_value retval; | |
| 2674 | |
| 2675 if (args.length () == 1) | |
| 2676 retval = is_handle (args(0)); | |
| 2677 else | |
| 2678 print_usage (); | |
| 2679 | |
| 2680 return retval; | |
| 2681 } | |
| 2682 | |
| 2683 DEFUN (set, args, , | |
| 2684 "-*- texinfo -*-\n\ | |
| 6678 | 2685 @deftypefn {Built-in Function} {} set (@var{h}, @var{p}, @var{v}, @dots{})\n\ |
| 6732 | 2686 Set the named property value or vector @var{p} to the value @var{v}\n\ |
| 6894 | 2687 for the graphics handle @var{h}.\n\ |
| 6406 | 2688 @end deftypefn") |
| 2689 { | |
| 2690 octave_value retval; | |
| 2691 | |
| 2692 int nargin = args.length (); | |
| 2693 | |
| 2694 if (nargin > 0) | |
| 2695 { | |
| 6732 | 2696 ColumnVector hcv (args(0).vector_value ()); |
| 6406 | 2697 |
| 2698 if (! error_state) | |
| 6732 | 2699 { |
| 6733 | 2700 bool request_drawnow = false; |
| 2701 | |
| 6732 | 2702 for (octave_idx_type n = 0; n < hcv.length (); n++) |
| 2703 { | |
| 2704 graphics_object obj = gh_manager::get_object (hcv(n)); | |
| 6406 | 2705 |
| 6732 | 2706 if (obj) |
| 2707 { | |
| 2708 obj.set (args.splice (0, 1)); | |
| 6406 | 2709 |
| 6733 | 2710 request_drawnow = true; |
| 6732 | 2711 } |
| 2712 else | |
| 6733 | 2713 { |
| 2714 error ("set: invalid handle (= %g)", hcv(n)); | |
| 2715 break; | |
| 2716 } | |
| 6732 | 2717 } |
| 6733 | 2718 |
| 2719 if (! error_state && request_drawnow) | |
| 7409 | 2720 Vdrawnow_requested = true; |
| 6732 | 2721 } |
| 6406 | 2722 else |
| 6732 | 2723 error ("set: expecting graphics handle as first argument"); |
| 6406 | 2724 } |
| 2725 else | |
| 2726 print_usage (); | |
| 2727 | |
| 2728 return retval; | |
| 2729 } | |
| 2730 | |
| 2731 DEFUN (get, args, , | |
| 2732 "-*- texinfo -*-\n\ | |
| 6678 | 2733 @deftypefn {Built-in Function} {} get (@var{h}, @var{p})\n\ |
| 6406 | 2734 Return the named property @var{p} from the graphics handle @var{h}.\n\ |
| 2735 If @var{p} is omitted, return the complete property list for @var{h}.\n\ | |
| 6732 | 2736 If @var{h} is a vector, return a cell array including the property\n\ |
| 2737 values or lists respectively.\n\ | |
| 6406 | 2738 @end deftypefn") |
| 2739 { | |
| 2740 octave_value retval; | |
| 6732 | 2741 octave_value_list vlist; |
| 6406 | 2742 |
| 2743 int nargin = args.length (); | |
| 2744 | |
| 2745 if (nargin == 1 || nargin == 2) | |
| 2746 { | |
| 6732 | 2747 ColumnVector hcv (args(0).vector_value ()); |
| 6406 | 2748 |
| 2749 if (! error_state) | |
| 6732 | 2750 { |
| 6733 | 2751 octave_idx_type len = hcv.length (); |
| 2752 | |
| 2753 vlist.resize (len); | |
| 2754 | |
| 2755 for (octave_idx_type n = 0; n < len; n++) | |
| 6732 | 2756 { |
| 2757 graphics_object obj = gh_manager::get_object (hcv(n)); | |
| 6406 | 2758 |
| 6732 | 2759 if (obj) |
| 2760 { | |
| 2761 if (nargin == 1) | |
| 2762 vlist(n) = obj.get (); | |
| 2763 else | |
| 2764 { | |
| 7189 | 2765 caseless_str property = args(1).string_value (); |
| 6406 | 2766 |
| 6732 | 2767 if (! error_state) |
| 2768 vlist(n) = obj.get (property); | |
| 2769 else | |
| 6733 | 2770 { |
| 2771 error ("get: expecting property name as second argument"); | |
| 2772 break; | |
| 2773 } | |
| 6732 | 2774 } |
| 2775 } | |
| 2776 else | |
| 6733 | 2777 { |
| 2778 error ("get: invalid handle (= %g)", hcv(n)); | |
| 2779 break; | |
| 2780 } | |
| 6732 | 2781 } |
| 2782 } | |
| 6406 | 2783 else |
| 6732 | 2784 error ("get: expecting graphics handle as first argument"); |
| 6406 | 2785 } |
| 2786 else | |
| 2787 print_usage (); | |
| 2788 | |
| 6733 | 2789 if (! error_state) |
| 6732 | 2790 { |
| 6733 | 2791 octave_idx_type len = vlist.length (); |
| 2792 | |
| 2793 if (len > 1) | |
| 2794 retval = Cell (vlist); | |
| 2795 else if (len == 1) | |
| 2796 retval = vlist(0); | |
| 6732 | 2797 } |
| 2798 | |
| 6406 | 2799 return retval; |
| 2800 } | |
| 2801 | |
| 7379 | 2802 DEFUN (__get__, args, , |
| 2803 "-*- texinfo -*-\n\ | |
| 2804 @deftypefn {Built-in Function} {} __get__ (@var{h})\n\ | |
| 2805 Return all properties from the graphics handle @var{h}.\n\ | |
| 2806 If @var{h} is a vector, return a cell array including the property\n\ | |
| 2807 values or lists respectively.\n\ | |
| 2808 @end deftypefn") | |
| 2809 { | |
| 2810 octave_value retval; | |
| 2811 octave_value_list vlist; | |
| 2812 | |
| 2813 int nargin = args.length (); | |
| 2814 | |
| 2815 if (nargin == 1) | |
| 2816 { | |
| 2817 ColumnVector hcv (args(0).vector_value ()); | |
| 2818 | |
| 2819 if (! error_state) | |
| 2820 { | |
| 2821 octave_idx_type len = hcv.length (); | |
| 2822 | |
| 2823 vlist.resize (len); | |
| 2824 | |
| 2825 for (octave_idx_type n = 0; n < len; n++) | |
| 2826 { | |
| 2827 graphics_object obj = gh_manager::get_object (hcv(n)); | |
| 2828 | |
| 2829 if (obj) | |
| 2830 vlist(n) = obj.get (true); | |
| 2831 else | |
| 2832 { | |
| 2833 error ("get: invalid handle (= %g)", hcv(n)); | |
| 2834 break; | |
| 2835 } | |
| 2836 } | |
| 2837 } | |
| 2838 else | |
| 2839 error ("get: expecting graphics handle as first argument"); | |
| 2840 } | |
| 2841 else | |
| 2842 print_usage (); | |
| 2843 | |
| 2844 if (! error_state) | |
| 2845 { | |
| 2846 octave_idx_type len = vlist.length (); | |
| 2847 | |
| 2848 if (len > 1) | |
| 2849 retval = Cell (vlist); | |
| 2850 else if (len == 1) | |
| 2851 retval = vlist(0); | |
| 2852 } | |
| 2853 | |
| 2854 return retval; | |
| 2855 } | |
| 2856 | |
| 6406 | 2857 static octave_value |
| 2858 make_graphics_object (const std::string& go_name, | |
| 6874 | 2859 const octave_value_list& args) |
| 6406 | 2860 { |
| 2861 octave_value retval; | |
| 2862 | |
| 2863 double val = args(0).double_value (); | |
| 2864 | |
| 2865 if (! error_state) | |
| 2866 { | |
| 2867 graphics_handle parent = gh_manager::lookup (val); | |
| 2868 | |
| 7056 | 2869 if (parent.ok ()) |
| 6406 | 2870 { |
| 2871 graphics_handle h | |
| 7370 | 2872 = gh_manager::make_graphics_handle (go_name, parent, false); |
| 6406 | 2873 |
| 2874 if (! error_state) | |
| 2875 { | |
| 2876 adopt (parent, h); | |
| 2877 | |
| 2878 xset (h, args.splice (0, 1)); | |
| 7370 | 2879 xcreatefcn (h); |
| 6406 | 2880 |
| 6874 | 2881 retval = h.value (); |
| 7296 | 2882 |
| 2883 if (! error_state) | |
| 7409 | 2884 Vdrawnow_requested = true; |
| 6406 | 2885 } |
| 2886 else | |
| 2887 error ("__go%s__: unable to create graphics handle", | |
| 2888 go_name.c_str ()); | |
| 2889 } | |
| 2890 else | |
| 2891 error ("__go_%s__: invalid parent", go_name.c_str ()); | |
| 2892 } | |
| 2893 else | |
| 2894 error ("__go_%s__: invalid parent", go_name.c_str ()); | |
| 2895 | |
| 2896 return retval; | |
| 2897 } | |
| 2898 | |
| 2899 DEFUN (__go_figure__, args, , | |
| 2900 "-*- texinfo -*-\n\ | |
| 2901 @deftypefn {Built-in Function} {} __go_figure__ (@var{fignum})\n\ | |
| 6945 | 2902 Undocumented internal function.\n\ |
| 6406 | 2903 @end deftypefn") |
| 2904 { | |
| 2905 octave_value retval; | |
| 2906 | |
| 2907 if (args.length () > 0) | |
| 2908 { | |
| 2909 double val = args(0).double_value (); | |
| 2910 | |
| 2911 if (! error_state) | |
| 2912 { | |
| 2913 if (is_figure (val)) | |
| 2914 { | |
| 2915 graphics_handle h = gh_manager::lookup (val); | |
| 2916 | |
| 2917 xset (h, args.splice (0, 1)); | |
| 2918 | |
| 6874 | 2919 retval = h.value (); |
| 6406 | 2920 } |
| 2921 else | |
| 2922 { | |
| 2923 graphics_handle h = octave_NaN; | |
| 2924 | |
| 2925 if (xisnan (val)) | |
| 7370 | 2926 h = gh_manager::make_graphics_handle ("figure", 0, false); |
| 6406 | 2927 else if (val > 0 && D_NINT (val) == val) |
| 2928 h = gh_manager::make_figure_handle (val); | |
| 2929 else | |
| 2930 error ("__go_figure__: invalid figure number"); | |
| 2931 | |
| 7056 | 2932 if (! error_state && h.ok ()) |
| 6406 | 2933 { |
| 2934 adopt (0, h); | |
| 2935 | |
| 2936 xset (h, args.splice (0, 1)); | |
| 7370 | 2937 xcreatefcn (h); |
| 6406 | 2938 |
| 6874 | 2939 retval = h.value (); |
| 6406 | 2940 } |
| 2941 else | |
| 2942 error ("__go_figure__: failed to create figure handle"); | |
| 2943 } | |
| 2944 } | |
| 2945 else | |
| 2946 error ("__go_figure__: expecting figure number to be double value"); | |
| 2947 } | |
| 2948 else | |
| 2949 print_usage (); | |
| 2950 | |
| 2951 return retval; | |
| 2952 } | |
| 2953 | |
| 2954 #define GO_BODY(TYPE) \ | |
| 2955 octave_value retval; \ | |
| 2956 \ | |
| 2957 if (args.length () > 0) \ | |
| 2958 retval = make_graphics_object (#TYPE, args); \ | |
| 2959 else \ | |
| 2960 print_usage (); \ | |
| 2961 \ | |
| 2962 return retval | |
| 2963 | |
| 2964 DEFUN (__go_axes__, args, , | |
| 2965 "-*- texinfo -*-\n\ | |
| 2966 @deftypefn {Built-in Function} {} __go_axes__ (@var{parent})\n\ | |
| 6945 | 2967 Undocumented internal function.\n\ |
| 6406 | 2968 @end deftypefn") |
| 2969 { | |
| 2970 GO_BODY (axes); | |
| 2971 } | |
| 2972 | |
| 2973 DEFUN (__go_line__, args, , | |
| 2974 "-*- texinfo -*-\n\ | |
| 2975 @deftypefn {Built-in Function} {} __go_line__ (@var{parent})\n\ | |
| 6945 | 2976 Undocumented internal function.\n\ |
| 6406 | 2977 @end deftypefn") |
| 2978 { | |
| 2979 GO_BODY (line); | |
| 2980 } | |
| 2981 | |
| 2982 DEFUN (__go_text__, args, , | |
| 2983 "-*- texinfo -*-\n\ | |
| 2984 @deftypefn {Built-in Function} {} __go_text__ (@var{parent})\n\ | |
| 6945 | 2985 Undocumented internal function.\n\ |
| 6406 | 2986 @end deftypefn") |
| 2987 { | |
| 2988 GO_BODY (text); | |
| 2989 } | |
| 2990 | |
| 2991 DEFUN (__go_image__, args, , | |
| 2992 "-*- texinfo -*-\n\ | |
| 2993 @deftypefn {Built-in Function} {} __go_image__ (@var{parent})\n\ | |
| 6945 | 2994 Undocumented internal function.\n\ |
| 6406 | 2995 @end deftypefn") |
| 2996 { | |
| 2997 GO_BODY (image); | |
| 2998 } | |
| 2999 | |
| 3000 DEFUN (__go_surface__, args, , | |
| 3001 "-*- texinfo -*-\n\ | |
| 3002 @deftypefn {Built-in Function} {} __go_surface__ (@var{parent})\n\ | |
| 6945 | 3003 Undocumented internal function.\n\ |
| 6406 | 3004 @end deftypefn") |
| 3005 { | |
| 3006 GO_BODY (surface); | |
| 3007 } | |
| 3008 | |
| 6807 | 3009 DEFUN (__go_patch__, args, , |
| 3010 "-*- texinfo -*-\n\ | |
| 3011 @deftypefn {Built-in Function} {} __go_patch__ (@var{parent})\n\ | |
| 6945 | 3012 Undocumented internal function.\n\ |
| 6807 | 3013 @end deftypefn") |
| 3014 { | |
| 3015 GO_BODY (patch); | |
| 3016 } | |
| 3017 | |
| 6406 | 3018 DEFUN (__go_delete__, args, , |
| 3019 "-*- texinfo -*-\n\ | |
| 3020 @deftypefn {Built-in Function} {} __go_delete__ (@var{h})\n\ | |
| 6945 | 3021 Undocumented internal function.\n\ |
| 6406 | 3022 @end deftypefn") |
| 3023 { | |
| 3024 octave_value_list retval; | |
| 3025 | |
| 3026 if (args.length () == 1) | |
| 3027 { | |
| 3028 graphics_handle h = octave_NaN; | |
| 3029 | |
| 3030 double val = args(0).double_value (); | |
| 3031 | |
| 3032 if (! error_state) | |
| 3033 { | |
| 3034 h = gh_manager::lookup (val); | |
| 3035 | |
| 7056 | 3036 if (h.ok ()) |
| 6406 | 3037 { |
| 3038 graphics_object obj = gh_manager::get_object (h); | |
| 3039 | |
| 3040 graphics_handle parent_h = obj.get_parent (); | |
| 3041 | |
| 3042 graphics_object parent_obj = gh_manager::get_object (parent_h); | |
| 3043 | |
| 7367 | 3044 // NOTE: free the handle before removing it from its parent's |
| 3045 // children, such that the object's state is correct when | |
| 3046 // the deletefcn callback is executed | |
| 6406 | 3047 |
| 3048 gh_manager::free (h); | |
| 7367 | 3049 |
| 3050 parent_obj.remove_child (h); | |
| 6406 | 3051 } |
| 3052 else | |
| 3053 error ("delete: invalid graphics object (= %g)", val); | |
| 3054 } | |
| 3055 else | |
| 3056 error ("delete: invalid graphics object"); | |
| 3057 } | |
| 3058 else | |
| 3059 print_usage (); | |
| 3060 | |
| 3061 return retval; | |
| 3062 } | |
| 3063 | |
| 3064 DEFUN (__go_axes_init__, args, , | |
| 3065 "-*- texinfo -*-\n\ | |
| 3066 @deftypefn {Built-in Function} {} __go_axes_init__ (@var{h}, @var{mode})\n\ | |
| 6945 | 3067 Undocumented internal function.\n\ |
| 6406 | 3068 @end deftypefn") |
| 3069 { | |
| 3070 octave_value retval; | |
| 3071 | |
| 3072 int nargin = args.length (); | |
| 3073 | |
| 3074 std::string mode = ""; | |
| 3075 | |
| 3076 if (nargin == 2) | |
| 3077 { | |
| 3078 mode = args(1).string_value (); | |
| 3079 | |
| 3080 if (error_state) | |
| 3081 return retval; | |
| 3082 } | |
| 3083 | |
| 3084 if (nargin == 1 || nargin == 2) | |
| 3085 { | |
| 3086 graphics_handle h = octave_NaN; | |
| 3087 | |
| 3088 double val = args(0).double_value (); | |
| 3089 | |
| 3090 if (! error_state) | |
| 3091 { | |
| 3092 h = gh_manager::lookup (val); | |
| 3093 | |
| 7056 | 3094 if (h.ok ()) |
| 6406 | 3095 { |
| 3096 graphics_object obj = gh_manager::get_object (h); | |
| 3097 | |
| 3098 obj.set_defaults (mode); | |
| 3099 } | |
| 3100 else | |
| 3101 error ("__go_axes_init__: invalid graphics object (= %g)", val); | |
| 3102 } | |
| 3103 else | |
| 3104 error ("__go_axes_init__: invalid graphics object"); | |
| 3105 } | |
| 3106 else | |
| 3107 print_usage (); | |
| 3108 | |
| 3109 return retval; | |
| 3110 } | |
| 3111 | |
| 3112 DEFUN (__go_handles__, , , | |
| 3113 "-*- texinfo -*-\n\ | |
| 3114 @deftypefn {Built-in Function} {} __go_handles__ ()\n\ | |
| 6945 | 3115 Undocumented internal function.\n\ |
| 6406 | 3116 @end deftypefn") |
| 3117 { | |
| 6425 | 3118 return octave_value (gh_manager::handle_list ()); |
| 3119 } | |
| 3120 | |
| 3121 DEFUN (__go_figure_handles__, , , | |
| 3122 "-*- texinfo -*-\n\ | |
| 3123 @deftypefn {Built-in Function} {} __go_figure_handles__ ()\n\ | |
| 6945 | 3124 Undocumented internal function.\n\ |
| 6425 | 3125 @end deftypefn") |
| 3126 { | |
| 3127 return octave_value (gh_manager::figure_handle_list ()); | |
| 6406 | 3128 } |
| 3129 | |
| 7409 | 3130 static void |
| 3131 clear_drawnow_request (void *) | |
| 3132 { | |
| 3133 Vdrawnow_requested = false; | |
| 3134 } | |
| 3135 | |
| 7408 | 3136 DEFUN (drawnow, args, , |
| 3137 "-*- texinfo -*-\n\ | |
| 3138 @deftypefn {Built-in Function} {} __go_drawnow__ ()\n\ | |
| 3139 @deftypefnx {Built-in Function} {} __go_drawnow__ (@var{term}, @var{file}, @var{mono}, @var{debug_file})\n\ | |
| 3140 Undocumented internal function.\n\ | |
| 3141 @end deftypefn") | |
| 3142 { | |
| 3143 static int drawnow_executing = 0; | |
| 3144 static bool __go_close_all_registered__ = false; | |
| 3145 | |
| 3146 octave_value retval; | |
| 3147 | |
| 7409 | 3148 unwind_protect::begin_frame ("Fdrawnow"); |
| 3149 unwind_protect::add (clear_drawnow_request); | |
| 3150 | |
| 3151 unwind_protect_int (drawnow_executing); | |
| 3152 | |
| 3153 if (++drawnow_executing <= 1) | |
| 7408 | 3154 { |
| 7409 | 3155 if (! __go_close_all_registered__) |
| 3156 { | |
| 3157 octave_add_atexit_function ("__go_close_all__"); | |
| 3158 | |
| 3159 __go_close_all_registered__ = true; | |
| 3160 } | |
| 3161 | |
| 3162 if (args.length () == 0) | |
| 7408 | 3163 { |
| 7409 | 3164 Matrix hlist = gh_manager::figure_handle_list (); |
| 3165 | |
| 3166 for (int i = 0; ! error_state && i < hlist.length (); i++) | |
| 7408 | 3167 { |
| 7409 | 3168 graphics_handle h = gh_manager::lookup (hlist(i)); |
| 3169 | |
| 3170 if (h.ok () && h != 0) | |
| 7408 | 3171 { |
| 7409 | 3172 graphics_object go = gh_manager::get_object (h); |
| 3173 figure::properties& fprops = dynamic_cast <figure::properties&> (go.get_properties ()); | |
| 3174 | |
| 3175 if (fprops.is_modified ()) | |
| 7408 | 3176 { |
| 7409 | 3177 if (fprops.is_visible ()) |
| 3178 fprops.get_backend ().redraw_figure (h); | |
| 3179 else if (! fprops.get___plot_stream__ ().is_empty ()) | |
| 3180 { | |
| 3181 fprops.close (false); | |
| 3182 fprops.set___plot_stream__ (Matrix ()); | |
| 3183 fprops.set___enhanced__ (false); | |
| 3184 } | |
| 3185 fprops.set_modified (false); | |
| 7408 | 3186 } |
| 3187 } | |
| 3188 } | |
| 3189 } | |
| 7409 | 3190 else if (args.length () >= 2 && args.length () <= 4) |
| 7408 | 3191 { |
| 7409 | 3192 std::string term, file, debug_file; |
| 3193 bool mono; | |
| 3194 | |
| 3195 term = args(0).string_value (); | |
| 7408 | 3196 |
| 3197 if (! error_state) | |
| 3198 { | |
| 7409 | 3199 file = args(1).string_value (); |
| 7408 | 3200 |
| 3201 if (! error_state) | |
| 3202 { | |
| 7409 | 3203 size_t pos = file.find_last_of (file_ops::dir_sep_chars); |
| 3204 | |
| 3205 if (pos != NPOS) | |
| 3206 { | |
| 3207 file_stat fs (file.substr (0, pos)); | |
| 3208 | |
| 3209 if (! (fs && fs.is_dir ())) | |
| 3210 error ("drawnow: nonexistent directory `%s'", | |
| 3211 file.substr (0, pos).c_str ()); | |
| 3212 } | |
| 3213 | |
| 3214 mono = (args.length () >= 3 ? args(2).bool_value () : false); | |
| 7408 | 3215 |
| 3216 if (! error_state) | |
| 3217 { | |
| 7409 | 3218 debug_file = (args.length () > 3 ? args(3).string_value () |
| 3219 : ""); | |
| 3220 | |
| 3221 if (! error_state) | |
| 7408 | 3222 { |
| 7409 | 3223 graphics_handle h = gcf (); |
| 3224 | |
| 3225 if (h.ok ()) | |
| 3226 { | |
| 3227 graphics_object go = gh_manager::get_object (h); | |
| 3228 | |
| 7419 | 3229 go.get_backend () |
| 7409 | 3230 .print_figure (h, term, file, mono, debug_file); |
| 3231 } | |
| 3232 else | |
| 3233 error ("drawnow: nothing to draw"); | |
| 7408 | 3234 } |
| 3235 else | |
| 7409 | 3236 error ("drawnow: invalid debug_file, expected a string value"); |
| 7408 | 3237 } |
| 3238 else | |
| 7409 | 3239 error ("drawnow: invalid colormode, expected a boolean value"); |
| 7408 | 3240 } |
| 3241 else | |
| 7409 | 3242 error ("drawnow: invalid file, expected a string value"); |
| 7408 | 3243 } |
| 3244 else | |
| 7409 | 3245 error ("drawnow: invalid terminal, expected a string value"); |
| 7408 | 3246 } |
| 3247 else | |
| 7409 | 3248 print_usage (); |
| 7408 | 3249 } |
| 7409 | 3250 |
| 3251 unwind_protect::run_frame ("Fdrawnow"); | |
| 7408 | 3252 |
| 3253 return retval; | |
| 3254 } | |
| 3255 | |
| 6595 | 3256 octave_value |
| 7447 | 3257 get_property_from_handle (double handle, const std::string& property, |
| 3258 const std::string& func) | |
| 6595 | 3259 { |
| 3260 graphics_object obj = gh_manager::get_object (handle); | |
| 3261 octave_value retval; | |
| 3262 | |
| 3263 if (obj) | |
| 3264 { | |
| 7189 | 3265 caseless_str p = std::string (property); |
| 6595 | 3266 retval = obj.get (p); |
| 3267 } | |
| 3268 else | |
| 3269 error ("%s: invalid handle (= %g)", func.c_str(), handle); | |
| 3270 | |
| 3271 return retval; | |
| 3272 } | |
| 3273 | |
| 3274 bool | |
| 7447 | 3275 set_property_in_handle (double handle, const std::string& property, |
| 3276 const octave_value& arg, const std::string& func) | |
| 6595 | 3277 { |
| 3278 graphics_object obj = gh_manager::get_object (handle); | |
| 3279 int ret = false; | |
| 3280 | |
| 3281 if (obj) | |
| 3282 { | |
| 7189 | 3283 caseless_str p = std::string (property); |
| 6595 | 3284 obj.set (p, arg); |
| 3285 if (!error_state) | |
| 3286 ret = true; | |
| 3287 } | |
| 3288 else | |
| 3289 error ("%s: invalid handle (= %g)", func.c_str(), handle); | |
| 3290 | |
| 3291 return ret; | |
| 3292 } | |
| 3293 | |
| 6406 | 3294 /* |
| 3295 ;;; Local Variables: *** | |
| 3296 ;;; mode: C++ *** | |
| 3297 ;;; End: *** | |
| 3298 */ |