1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509
|
/*
* state.cc -- ePiX's current drawing state
*
* This file is part of ePiX, a C++ library for creating high-quality
* figures in LaTeX
*
* Version 1.1.22
* Last Change: September 24, 2007
*/
/*
* Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007
* Andrew D. Hwang <rot 13 nujnat at zngupf dot ubylpebff dot rqh>
* Department of Mathematics and Computer Science
* College of the Holy Cross
* Worcester, MA, 01610-2395, USA
*/
/*
* ePiX is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* ePiX is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
* License for more details.
*
* You should have received a copy of the GNU General Public License
* along with ePiX; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "constants.h"
#include "errors.h"
#include "triples.h"
#include "Color.h"
#include "length.h"
#include "camera.h"
#include "angle_units.h"
#include "arrow_style.h"
#include "label_style.h"
#include "marker_style.h"
#include "paint_style.h"
#include "path_style.h"
#include "active_screen.h"
#include "screen.h"
#include "clipping.h"
#include "state.h"
namespace ePiX {
// set camera position
void viewpoint(const P& arg)
{
cam().at(arg);
}
void viewpoint(double x1, double x2, double x3)
{
cam().at(P(x1, x2, x3));
}
// Set angular mode
void radians()
{
the_angle_style().set_radians_mode();
}
void degrees()
{
the_angle_style().set_degrees_mode();
}
void revolutions()
{
the_angle_style().set_revolutions_mode();
}
// number of current units in a full turn
double full_turn()
{
return the_angle_style().from_degrees(360.0);
}
// clipping is always on
void clip(bool arg) { }
void clip_box()
{
the_clip_box() = clip_state();
}
void clip_box(const P& arg1, const P& arg2)
{
the_clip_box() = clip_state(arg1, arg2);
}
void clip_to(const P& arg)
{
the_clip_box() = clip_state(P(0,0,0), arg);
}
void clip_box(const P& arg)
{
the_clip_box() = clip_state(-arg, arg);
}
// add a clip face; perp points inward
void clip_face(const P& loc, const P& perp)
{
the_clip_box().add_face(loc, perp);
}
// add parallel clip planes
void clip_slice(const P& loc, const P& perp)
{
the_clip_box().add_face(loc-0.5*EPIX_EPSILON*perp, perp)
.add_face(loc+0.5*EPIX_EPSILON*perp, -perp);
}
void clip_slice(const P& perp, double thickness)
{
clip_slice(P(0,0,0), perp, thickness);
}
void clip_slice(const P& perp)
{
clip_slice(P(0,0,0), perp);
}
void clip_slice(const P& loc, const P& perp, double thickness)
{
the_clip_box().add_face(loc-0.5*thickness*perp, perp)
.add_face(loc+0.5*thickness*perp, -perp);
}
// remove user-specified clip planes, preserve clip box settings
void clip_restore()
{
the_clip_box().clear_extras();
}
// Set crop state and select region
void set_crop(bool arg)
{
active_screen()->set_crop(arg);
}
void crop()
{
active_screen()->crop();
}
void crop_rectangle(const P& sw, const P& ne)
{
active_screen()->crop_mask_rectangle(sw, ne).set_crop(true);
}
void crop_ellipse(const P& sw, const P& ne)
{
active_screen()->crop_mask_ellipse(sw, ne).set_crop(true);
}
void crop_diamond(const P& sw, const P& ne)
{
active_screen()->crop_mask_diamond(sw, ne).set_crop(true);
}
void crop_rectangle()
{
active_screen()->crop_mask_rectangle().set_crop(true);
}
void crop_ellipse()
{
active_screen()->crop_mask_ellipse().set_crop(true);
}
void crop_diamond()
{
active_screen()->crop_mask_diamond().set_crop(true);
}
void crop_box(const P& arg1, const P& arg2)
{
active_screen()->crop_mask_rectangle(arg1, arg2).set_crop(true);
}
void crop_box() // (re)set active crop box to active bounding box
{
active_screen()->crop_mask_rectangle().set_crop(true);
}
// Set font size and face, label angle, mask color
void font_size(const std::string& arg)
{
the_label_style().fontsize(arg);
}
void font_face(const std::string& arg)
{
the_label_style().fontface(arg);
}
void label_color(const Color& col)
{
the_label_style().text_color(col);
}
void label_angle(double th)
{
the_label_style().label_angle(th);
}
void label_mask(const Color& arg)
{
the_label_style().mask_color(arg);
}
void label_mask()
{
the_label_style().mask_color(White());
}
void label_pad(std::string len)
{
the_label_style().label_padding(length(len));
}
void label_border(const Color& col, double len)
{
the_label_style().label_border(pen_data(col, length(len)));
}
void label_border(const Color& col, std::string len)
{
the_label_style().label_border(pen_data(col, len));
}
// set color only
void label_border(const Color& col)
{
length len(the_label_style().label_border().width());
the_label_style().label_border(pen_data(col, len));
}
// set width only
void label_border(double len)
{
Color col(the_label_style().label_border().color());
the_label_style().label_border(pen_data(col, length(len)));
}
void label_border(std::string len)
{
Color col(the_label_style().label_border().color());
the_label_style().label_border(pen_data(col, len));
}
void no_label_border()
{
label_border("0pt");
}
// Gray depth, path filling, [fill color]
void gray(double depth)
{
the_paint_style().fill_color(Black(depth));
}
// new function
void fill(const Color& col)
{
the_paint_style().fill_color(col);
the_paint_style().fill_flag(!col.is_unset());
}
void fill(bool arg)
{
the_paint_style().fill_flag(arg);
if (arg && the_paint_style().fill_color().is_unset())
the_paint_style().fill_color(White());
}
void nofill()
{
the_paint_style().fill_flag(false);
}
// Arrowhead parameters
void arrow_width(double w)
{
the_arrowhead_style().width(w);
}
void arrow_ratio(double r)
{
the_arrowhead_style().ratio(r);
}
void arrow_inset(double arg)
{
the_arrowhead_style().inset(arg);
}
void arrow_fill(bool fill)
{
the_arrowhead_style().fill(fill);
}
// Set (approximate) length of dashes, dot separation
void dash_size(double len)
{
the_path_style().separation(len);
}
void dot_sep(double len)
{
dash_size(len);
}
// Dot/box marker size
void dot_size(double diam)
{
the_mark_size().dot_size(diam);
}
void tick_size(double len)
{
the_mark_size().tick_size(len);
}
// Line style
void line_style(std::string style)
{
the_path_style() = path_state(style);
}
void solid()
{
line_style("-");
}
void dashed()
{
line_style("- -");
}
void dotted()
{
line_style(" . ");
}
// Line width
void pen(const std::string& len)
{
the_paint_style().line_width(length(len));
}
void pen(double wd)
{
the_paint_style().line_width(length(wd));
}
void bbold()
{
the_paint_style().line_width(BBOLD_WIDTH);
}
void bold()
{
the_paint_style().line_width(BOLD_WIDTH);
}
void plain()
{
the_paint_style().line_width(PLAIN_WIDTH);
}
// line width and color
void bbold(const Color& col)
{
the_paint_style().line_color(col);
the_paint_style().line_width(BBOLD_WIDTH);
}
void bold(const Color& col)
{
the_paint_style().line_color(col);
the_paint_style().line_width(BOLD_WIDTH);
}
void plain(const Color& col)
{
the_paint_style().line_color(col);
the_paint_style().line_width(PLAIN_WIDTH);
}
void pen(const Color& col)
{
the_paint_style().line_color(col);
}
void pen(const Color& col, double len)
{
the_paint_style().line_color(col);
the_paint_style().line_width(length(len));
}
void pen(const Color& col, std::string len)
{
the_paint_style().line_color(col);
the_paint_style().line_width(length(len));
}
// base width and color
void base(const Color& col)
{
the_paint_style().base_color(col);
}
void base(const Color& col, double len)
{
the_paint_style().base_color(col);
the_paint_style().base_width(length(len));
}
void base(const Color& col, std::string len)
{
the_paint_style().base_color(col);
the_paint_style().base_width(length(len));
}
// Red-Blue-Green
void rgb(double r, double g, double b)
{
the_paint_style().line_color(RGB(r, g, b));
the_paint_style().fill_color(RGB(r, g, b));
the_label_style().text_color(RGB(r, g, b));
}
// Cyan-Magenta-Yellow-Black
void cmyk(double c, double m, double y, double k)
{
the_paint_style().line_color(CMYK(c, m, y, k));
the_paint_style().fill_color(CMYK(c, m, y, k));
the_label_style().text_color(CMYK(c, m, y, k));
}
void rgb(const P& arg)
{
rgb(arg.x1(), arg.x2(), arg.x3());
}
void cmyk(const P& arg)
{
cmyk(arg.x1(), arg.x2(), arg.x3(), 0);
}
// primary colors
void red(double d)
{
rgb(d,0,0);
}
void green(double d)
{
rgb(0,d,0);
}
void blue(double d)
{
rgb(0,0,d);
}
void white(double d)
{
rgb(d,d,d);
}
void black(double d)
{
rgb(1-d,1-d,1-d);
}
void cyan(double d)
{
cmyk(d,0,0,0);
}
void magenta(double d)
{
cmyk(0,d,0,0);
}
void yellow(double d)
{
cmyk(0,0,d,0);
}
} // end of namespace
|