cinelerra-5.1/plugins/histogram_bezier/bistogramwindow.C

   1
   2 /*
   3  * CINELERRA
   4  * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  *
  20  */
  21
  22 #include "bcdisplayinfo.h"
  23 #include "bcsignals.h"
  24 #include "bistogram.h"
  25 #include "bistogramconfig.h"
  26 #include "bistogramwindow.h"
  27 #include "keys.h"
  28 #include "language.h"
  29
  30
  31 #include <unistd.h>
  32 #include <string.h>
  33
  34 HistogramWindow::HistogramWindow(HistogramMain *plugin)
  35  : PluginClientWindow(plugin, 440, 480, 440, 480, 0)
  36 {
  37         this->plugin = plugin;
  38 }
  39
  40 HistogramWindow::~HistogramWindow()
  41 {
  42 }
  43
  44 #include "min_picon_png.h"
  45 #include "mid_picon_png.h"
  46 #include "max_picon_png.h"
  47 static VFramePng max_picon_image(max_picon_png);
  48 static VFramePng mid_picon_image(mid_picon_png);
  49 static VFramePng min_picon_image(min_picon_png);
  50
  51 void HistogramWindow::create_objects()
  52 {
  53         int x = 10, y = 10, x1 = 10;
  54         BC_Title *title = 0;
  55
  56         max_picon = create_pixmap(&max_picon_image);
  57         mid_picon = create_pixmap(&mid_picon_image);
  58         min_picon = create_pixmap(&min_picon_image);
  59         add_subwindow(mode_v = new HistogramMode(plugin,
  60                 x,
  61                 y,
  62                 HISTOGRAM_VALUE,
  63                 _("Value")));
  64         x += 70;
  65         add_subwindow(mode_r = new HistogramMode(plugin,
  66                 x,
  67                 y,
  68                 HISTOGRAM_RED,
  69                 _("Red")));
  70         x += 70;
  71         add_subwindow(mode_g = new HistogramMode(plugin,
  72                 x,
  73                 y,
  74                 HISTOGRAM_GREEN,
  75                 _("Green")));
  76         x += 70;
  77         add_subwindow(mode_b = new HistogramMode(plugin,
  78                 x,
  79                 y,
  80                 HISTOGRAM_BLUE,
  81                 _("Blue")));
  82 //      x += 70;
  83 //      add_subwindow(mode_a = new HistogramMode(plugin,
  84 //              x,
  85 //              y,
  86 //              HISTOGRAM_ALPHA,
  87 //              _("Alpha")));
  88
  89         x = x1;
  90         y += 30;
  91         add_subwindow(title = new BC_Title(x, y, _("Input X:")));
  92         x += title->get_w() + 10;
  93         input_x = new HistogramInputText(plugin,
  94                 this,
  95                 x,
  96                 y,
  97                 1);
  98         input_x->create_objects();
  99
 100         x += input_x->get_w() + 10;
 101         add_subwindow(title = new BC_Title(x, y, _("Input Y:")));
 102         x += title->get_w() + 10;
 103         input_y = new HistogramInputText(plugin,
 104                 this,
 105                 x,
 106                 y,
 107                 0);
 108         input_y->create_objects();
 109
 110         y += 30;
 111         x = x1;
 112
 113         canvas_w = get_w() - x - x;
 114         canvas_h = get_h() - y - 170;
 115         title1_x = x;
 116         title2_x = x + (int)(canvas_w * -HIST_MIN_INPUT / FLOAT_RANGE);
 117         title3_x = x + (int)(canvas_w * (1.0 - HIST_MIN_INPUT) / FLOAT_RANGE);
 118         title4_x = x + (int)(canvas_w);
 119         add_subwindow(canvas = new HistogramCanvas(plugin,
 120                 this,
 121                 x,
 122                 y,
 123                 canvas_w,
 124                 canvas_h));
 125         draw_canvas_overlay();
 126         canvas->flash();
 127
 128         y += canvas->get_h() + 1;
 129         add_subwindow(new BC_Title(title1_x,
 130                 y,
 131                 "-10%"));
 132         add_subwindow(new BC_Title(title2_x,
 133                 y,
 134                 "0%"));
 135         add_subwindow(new BC_Title(title3_x - get_text_width(MEDIUMFONT, "100"),
 136                 y,
 137                 "100%"));
 138         add_subwindow(new BC_Title(title4_x - get_text_width(MEDIUMFONT, "110"),
 139                 y,
 140                 "110%"));
 141
 142         y += 20;
 143         add_subwindow(title = new BC_Title(x, y, _("Output min:")));
 144         x += title->get_w() + 10;
 145         output_min = new HistogramOutputText(plugin,
 146                 this,
 147                 x,
 148                 y,
 149                 &plugin->config.output_min[plugin->mode]);
 150         output_min->create_objects();
 151         x += output_min->get_w() + 10;
 152         add_subwindow(new BC_Title(x, y, _("Output Max:")));
 153         x += title->get_w() + 10;
 154         output_max = new HistogramOutputText(plugin,
 155                 this,
 156                 x,
 157                 y,
 158                 &plugin->config.output_max[plugin->mode]);
 159         output_max->create_objects();
 160
 161         x = x1;
 162         y += 30;
 163
 164         add_subwindow(output = new HistogramSlider(plugin,
 165                 this,
 166                 x,
 167                 y,
 168                 get_w() - 20,
 169                 30,
 170                 0));
 171         output->update();
 172         y += 40;
 173
 174
 175         add_subwindow(automatic = new HistogramAuto(plugin,
 176                 x,
 177                 y));
 178
 179         x += 120;
 180         add_subwindow(new HistogramReset(plugin,
 181                 x,
 182                 y));
 183         x += 100;
 184         add_subwindow(new BC_Title(x, y, _("Threshold:")));
 185         x += 100;
 186         threshold = new HistogramOutputText(plugin,
 187                 this,
 188                 x,
 189                 y,
 190                 &plugin->config.threshold);
 191         threshold->create_objects();
 192         x = x1;
 193         y += 40;
 194         add_subwindow(split = new HistogramSplit(plugin, x, y));
 195         y += 6;
 196         x += 150;
 197         add_subwindow(new BC_Title(x,y, _("Interpolation:")));
 198         x += 120;
 199         add_subwindow(smoothModeChoser = new HistogramSmoothMode(plugin, this, x, y));
 200         smoothModeChoser->create_objects();
 201
 202         show_window();
 203 }
 204
 205 int HistogramWindow::keypress_event()
 206 {
 207         int result = 0;
 208         if(get_keypress() == BACKSPACE ||
 209                 get_keypress() == DELETE)
 210         {
 211                 if(plugin->current_point >= 0)
 212                 {
 213                         HistogramPoint *current =
 214                                 plugin->config.points[plugin->mode].get_item_number(plugin->current_point);
 215                         delete current;
 216                         plugin->current_point = -1;
 217                         update_input();
 218                         update_canvas();
 219                         plugin->send_configure_change();
 220                         result = 1;
 221                 }
 222         }
 223         return result;
 224 }
 225
 226 void HistogramWindow::update(int do_input)
 227 {
 228         automatic->update(plugin->config.automatic);
 229         threshold->update(plugin->config.threshold);
 230         update_mode();
 231
 232         if(do_input) update_input();
 233         update_output();
 234 }
 235
 236 void HistogramWindow::update_input()
 237 {
 238         input_x->update();
 239         input_y->update();
 240 }
 241
 242 void HistogramWindow::update_output()
 243 {
 244         output->update();
 245         output_min->update(plugin->config.output_min[plugin->mode]);
 246         output_max->update(plugin->config.output_max[plugin->mode]);
 247 }
 248
 249 void HistogramWindow::update_mode()
 250 {
 251         mode_v->update(plugin->mode == HISTOGRAM_VALUE ? 1 : 0);
 252         mode_r->update(plugin->mode == HISTOGRAM_RED ? 1 : 0);
 253         mode_g->update(plugin->mode == HISTOGRAM_GREEN ? 1 : 0);
 254         mode_b->update(plugin->mode == HISTOGRAM_BLUE ? 1 : 0);
 255         output_min->output = &plugin->config.output_min[plugin->mode];
 256         output_max->output = &plugin->config.output_max[plugin->mode];
 257 }
 258
 259 void HistogramWindow::draw_canvas_overlay()
 260 {
 261         canvas->set_color(0x00ff00);
 262         int y1;
 263
 264 // Calculate output curve
 265         plugin->tabulate_curve(plugin->mode, 0);
 266
 267 // Draw output line
 268         for(int i = 0; i < canvas_w; i++)
 269         {
 270                 float input = (float)i /
 271                                 canvas_w *
 272                                 FLOAT_RANGE +
 273                                 HIST_MIN_INPUT;
 274                 float output = plugin->calculate_smooth(input, plugin->mode);
 275
 276                 int y2 = canvas_h - (int)(output * canvas_h);
 277                 if(i > 0)
 278                 {
 279                         canvas->draw_line(i - 1, y1, i, y2);
 280                 }
 281                 y1 = y2;
 282         }
 283
 284 // Draw output points
 285         HistogramPoint *current = plugin->config.points[plugin->mode].first;
 286         int number = 0;
 287         while(current)
 288         {
 289                 int x = (int)((current->x - HIST_MIN_INPUT) * canvas_w / FLOAT_RANGE);
 290                 int y = (int)(canvas_h - current->y * canvas_h);
 291                 if(number == plugin->current_point)
 292                         canvas->draw_box(x - BOX_SIZE / 2, y - BOX_SIZE / 2, BOX_SIZE, BOX_SIZE);
 293                 else
 294                         canvas->draw_rectangle(x - BOX_SIZE / 2, y - BOX_SIZE / 2, BOX_SIZE, BOX_SIZE);
 295
 296 //Draw gradients
 297         if (plugin->config.smoothMode > HISTOGRAM_LINEAR)
 298         {
 299                 int x1,x2,y1,y2;
 300                 canvas->set_color(0x0000ff);
 301                 x2 = (int)((current->x + current->xoffset_right - HIST_MIN_INPUT) * canvas_w / FLOAT_RANGE);
 302                 x1 = (int)((current->x + current->xoffset_left - HIST_MIN_INPUT) * canvas_w / FLOAT_RANGE);
 303                 y2 = (int)(canvas_h - (current->y + current->xoffset_right * current->gradient) * canvas_h);
 304                 y1 = (int)(canvas_h - (current->y + current->xoffset_left * current->gradient) * canvas_h);
 305 /*              x2 = x + (title3_x - title2_x)/20;
 306                 x1 = x - (title3_x - title2_x)/20;
 307                 y1 = y + (int)(current->gradient * (float)(canvas_h)/20.0);
 308                 y2 = y - (int)(current->gradient * (float)(canvas_h)/20.0);
 309 //              int y2 = (int)(canvas_h - canvas_h * (current->y + current->gradient /10));*/
 310                 canvas->draw_line(x1,y1,x2,y2);
 311
 312                 canvas->draw_circle(x1 - BOX_SIZE / 4, y1 - BOX_SIZE / 4, BOX_SIZE/2, BOX_SIZE/2);
 313                 canvas->draw_circle(x2 - BOX_SIZE / 4, y2 - BOX_SIZE / 4, BOX_SIZE/2, BOX_SIZE/2);
 314                 canvas->set_color(0x00ff00);
 315         }
 316
 317                 current = NEXT;
 318                 number++;
 319         }
 320
 321
 322 // Draw 0 and 100% lines.
 323         canvas->set_color(0xff0000);
 324         canvas->draw_line(title2_x - canvas->get_x(),
 325                 0,
 326                 title2_x - canvas->get_x(),
 327                 canvas_h);
 328         canvas->draw_line(title3_x - canvas->get_x(),
 329                 0,
 330                 title3_x - canvas->get_x(),
 331                 canvas_h);
 332 }
 333
 334 void HistogramWindow::update_canvas()
 335 {
 336         int *accum = plugin->accum[plugin->mode];
 337         int accum_per_canvas_i = HISTOGRAM_SLOTS / canvas_w + 1;
 338         float accum_per_canvas_f = (float)HISTOGRAM_SLOTS / canvas_w;
 339         int normalize = 0;
 340         int max = 0;
 341
 342         for(int i = 0; i < HISTOGRAM_SLOTS; i++)
 343         {
 344                 if(accum && accum[i] > normalize) normalize = accum[i];
 345         }
 346
 347
 348         if(normalize)
 349         {
 350                 for(int i = 0; i < canvas_w; i++)
 351                 {
 352                         int accum_start = (int)(accum_per_canvas_f * i);
 353                         int accum_end = accum_start + accum_per_canvas_i;
 354                         max = 0;
 355                         for(int j = accum_start; j < accum_end; j++)
 356                         {
 357                                 max = MAX(accum[j], max);
 358                         }
 359
 360 //                      max = max * canvas_h / normalize;
 361                         max = (int)(log(max) / log(normalize) * canvas_h);
 362
 363                         canvas->set_color(0xffffff);
 364                         canvas->draw_line(i, 0, i, canvas_h - max);
 365                         canvas->set_color(0x000000);
 366                         canvas->draw_line(i, canvas_h - max, i, canvas_h);
 367                 }
 368         }
 369         else
 370         {
 371                 canvas->set_color(0xffffff);
 372                 canvas->draw_box(0, 0, canvas_w, canvas_h);
 373         }
 374
 375
 376         draw_canvas_overlay();
 377         canvas->flash();
 378 }
 379
 380
 381
 382
 383
 384
 385
 386
 387 HistogramCanvas::HistogramCanvas(HistogramMain *plugin,
 388         HistogramWindow *gui,
 389         int x,
 390         int y,
 391         int w,
 392         int h)
 393  : BC_SubWindow(x,
 394         y,
 395         w,
 396         h,
 397         0xffffff)
 398 {
 399         this->plugin = plugin;
 400         this->gui = gui;
 401 }
 402
 403 int HistogramCanvas::button_press_event()
 404 {
 405         int result = 0;
 406         if(is_event_win() && cursor_inside())
 407         {
 408                 if(!plugin->dragging_point)
 409                 {
 410                         HistogramPoint *new_point = 0;
 411                         gui->deactivate();
 412 // Search for existing point under cursor
 413                         HistogramPoint *current = plugin->config.points[plugin->mode].first;
 414                         plugin->current_point = -1;
 415                         int dragID = 0;
 416                         while(current)
 417                         {
 418                                 int x = (int)((current->x - HIST_MIN_INPUT) * gui->canvas_w / FLOAT_RANGE);
 419                                 int y = (int)(gui->canvas_h - current->y * gui->canvas_h);
 420
 421 /* Check for click on main point */
 422                                 if(get_cursor_x() >= x - BOX_SIZE / 2 &&
 423                                         get_cursor_y() >= y - BOX_SIZE / 2 &&
 424                                         get_cursor_x() < x + BOX_SIZE / 2 &&
 425                                         get_cursor_y() < y + BOX_SIZE / 2)
 426                                 {
 427                                         plugin->current_point =
 428                                                 plugin->config.points[plugin->mode].number_of(current);
 429                                         plugin->point_x_offset = get_cursor_x() - x;
 430                                         plugin->point_y_offset = get_cursor_y() - y;
 431                                         dragID = 1;
 432                                         break;
 433                                 }
 434 //                              if (plugin->config.smoothMode == HISTOGRAM_LINEAR)
 435 //                                break;
 436
 437                                 int xright =
 438                                   (int)((current->x + current->xoffset_right - HIST_MIN_INPUT) * gui->canvas_w / FLOAT_RANGE);
 439                                 int yright =
 440                                   (int)(gui->canvas_h - (current->y + current->xoffset_right * current->gradient) *
 441                                   gui->canvas_h);
 442
 443 /* Check for click on right handle */
 444                                 if(get_cursor_x() >= xright - BOX_SIZE / 2 &&
 445                                    get_cursor_y() >= yright - BOX_SIZE / 2 &&
 446                                    get_cursor_x() <  xright + BOX_SIZE / 2 &&
 447                                    get_cursor_y() <  yright + BOX_SIZE / 2)
 448                                 {
 449                                         plugin->current_point =
 450                                                 plugin->config.points[plugin->mode].number_of(current);
 451                                         plugin->point_x_offset = get_cursor_x() - xright;
 452                                         plugin->point_y_offset = get_cursor_y() - yright;
 453                                         dragID = 2;
 454                                         break;
 455                                 }
 456
 457 /* Check for click on left handle */
 458                                 int xleft =
 459                                   (int)((current->x + current->xoffset_left - HIST_MIN_INPUT) * gui->canvas_w / FLOAT_RANGE);
 460                                 int yleft =
 461                                   (int)(gui->canvas_h - (current->y + current->xoffset_left * current->gradient) *
 462                                   gui->canvas_h);
 463                                 if(get_cursor_x() >= xleft - BOX_SIZE / 2 &&
 464                                    get_cursor_y() >= yleft - BOX_SIZE / 2 &&
 465                                    get_cursor_x() <  xleft + BOX_SIZE / 2 &&
 466                                    get_cursor_y() <  yleft + BOX_SIZE / 2)
 467                                 {
 468                                         plugin->current_point =
 469                                                 plugin->config.points[plugin->mode].number_of(current);
 470                                         plugin->point_x_offset = get_cursor_x() - xleft;
 471                                         plugin->point_y_offset = get_cursor_y() - yleft;
 472                                         dragID = 3;
 473                                         break;
 474                                 }
 475
 476
 477                                 current = NEXT;
 478                         }
 479
 480                         if(plugin->current_point < 0)
 481                         {
 482 // Create new point under cursor
 483                                 float current_x = (float)get_cursor_x() *
 484                                         FLOAT_RANGE /
 485                                         get_w() +
 486                                         HIST_MIN_INPUT;
 487                                 float current_y = 1.0 -
 488                                         (float)get_cursor_y() /
 489                                         get_h();
 490                                 new_point =
 491                                         plugin->config.points[plugin->mode].insert(current_x, current_y);
 492                                 plugin->current_point =
 493                                         plugin->config.points[plugin->mode].number_of(new_point);
 494                                 plugin->point_x_offset = 0;
 495                                 plugin->point_y_offset = 0;
 496
 497 // Default gradient
 498 // Get 2 points surrounding current position
 499                                 float x1 = 0, x2 = 1, y1 = 0, y2 = 1;
 500
 501                                 HistogramPoint *current = plugin->config.points[plugin->mode].first;
 502                                 int done = 0;
 503                                 while(current && !done)
 504                                 {
 505                                         if(current->x > current_x)
 506                                         {
 507                                                 x2 = current->x;
 508                                                 y2 = current->y;
 509                                                 done = 1;
 510                                         }
 511                                         else
 512                                                 current = NEXT;
 513                                 }
 514
 515                                 current = plugin->config.points[plugin->mode].last;
 516                                 done = 0;
 517                                 while(current && !done)
 518                                 {
 519                                         if(current->x <= current_x)
 520                                         {
 521                                                 x1 = current->x;
 522                                                 y1 = current->y;
 523                                                 done = 1;
 524                                         }
 525                                         else
 526                                                 current = PREVIOUS;
 527                                 }
 528                                 new_point->gradient = (y2 - y1) / (x2 - x1);
 529                                 dragID = 1;
 530
 531                         }
 532
 533
 534                         plugin->dragging_point = dragID;
 535                         result = 1;
 536
 537                         plugin->config.boundaries();
 538                         gui->update_input();
 539                         gui->update_canvas();
 540                         if(new_point)
 541                         {
 542                                 plugin->send_configure_change();
 543                         }
 544                 }
 545         }
 546         return result;
 547 }
 548
 549 int HistogramCanvas::cursor_motion_event()
 550 {
 551         if(plugin->dragging_point)
 552         {
 553                 HistogramPoint * current_point = plugin->config.points[plugin->mode].get_item_number(plugin->current_point);
 554
 555                 float current_x =
 556                         (float)(get_cursor_x() - plugin->point_x_offset) *
 557                         FLOAT_RANGE /
 558                         get_w() +
 559                         HIST_MIN_INPUT;
 560                 float current_y = 1.0 -
 561                         (float)(get_cursor_y() - plugin->point_y_offset) /
 562                         get_h();
 563
 564                 switch(plugin->dragging_point)
 565                 {
 566                   case 1: /* Main point dragged */
 567                         current_point->x = current_x;
 568                         current_point->y = current_y;
 569                         break;
 570                   case 2: /* Right control point dragged */
 571                         if (current_x - current_point->x > 0)
 572                         {
 573                           current_point->xoffset_right = current_x - current_point->x;
 574                           current_point->gradient = (current_y - current_point->y) / (current_x - current_point->x);
 575                         }
 576                         break;
 577                   case 3: /* Left control point dragged */
 578                         if (current_x - current_point->x < 0)
 579                         {
 580                           current_point->xoffset_left = current_x - current_point->x;
 581                           current_point->gradient = (current_point->y - current_y) / (current_point->x - current_x);
 582                         }
 583                         break;
 584                 }
 585
 586                 plugin->config.boundaries();
 587                 gui->update_input();
 588                 gui->update_canvas();
 589                 plugin->send_configure_change();
 590                 return 1;
 591         }
 592         return 0;
 593 }
 594
 595 int HistogramCanvas::button_release_event()
 596 {
 597         if(plugin->dragging_point)
 598         {
 599 // Test for out of order points to delete.
 600                 HistogramPoint *current =
 601                         plugin->config.points[plugin->mode].get_item_number(plugin->current_point);
 602                 HistogramPoint *prev = PREVIOUS;
 603                 HistogramPoint *next = NEXT;
 604
 605                 if((prev && prev->x >= current->x) ||
 606                         (next && next->x <= current->x))
 607                 {
 608                         delete current;
 609                         plugin->current_point = -1;
 610                         plugin->config.boundaries();
 611                         gui->update_input();
 612                         gui->update_canvas();
 613                         plugin->send_configure_change();
 614                 }
 615
 616                 plugin->dragging_point = 0;
 617         }
 618         return 0;
 619 }
 620
 621
 622
 623
 624
 625
 626
 627 HistogramReset::HistogramReset(HistogramMain *plugin,
 628         int x,
 629         int y)
 630  : BC_GenericButton(x, y, _("Reset"))
 631 {
 632         this->plugin = plugin;
 633 }
 634 int HistogramReset::handle_event()
 635 {
 636         plugin->config.reset(0);
 637         HistogramWindow *window = (HistogramWindow *)plugin->thread->window;
 638         window->update(1);
 639         window->update_canvas();
 640         plugin->send_configure_change();
 641         return 1;
 642 }
 643
 644
 645
 646
 647
 648
 649
 650
 651
 652 HistogramSlider::HistogramSlider(HistogramMain *plugin,
 653         HistogramWindow *gui,
 654         int x,
 655         int y,
 656         int w,
 657         int h,
 658         int is_input)
 659  : BC_SubWindow(x, y, w, h)
 660 {
 661         this->plugin = plugin;
 662         this->gui = gui;
 663         this->is_input = is_input;
 664         operation = NONE;
 665 }
 666
 667 int HistogramSlider::input_to_pixel(float input)
 668 {
 669         return (int)((input - HIST_MIN_INPUT) / FLOAT_RANGE * get_w());
 670 }
 671
 672 int HistogramSlider::button_press_event()
 673 {
 674         if(is_event_win() && cursor_inside())
 675         {
 676 //              int w = get_w();
 677                 int h = get_h();
 678                 int half_h = get_h() / 2;
 679
 680                 gui->deactivate();
 681
 682                 if(operation == NONE)
 683                 {
 684                         int x1 = input_to_pixel(plugin->config.output_min[plugin->mode]) -
 685                                 gui->mid_picon->get_w() / 2;
 686                         int x2 = x1 + gui->mid_picon->get_w();
 687                         if(get_cursor_x() >= x1 && get_cursor_x() < x2 &&
 688                                 get_cursor_y() >= half_h && get_cursor_y() < h)
 689                         {
 690                                 operation = DRAG_MIN_OUTPUT;
 691                         }
 692                 }
 693
 694                 if(operation == NONE)
 695                 {
 696                         int x1 = input_to_pixel(plugin->config.output_max[plugin->mode]) -
 697                                 gui->mid_picon->get_w() / 2;
 698                         int x2 = x1 + gui->mid_picon->get_w();
 699                         if(get_cursor_x() >= x1 && get_cursor_x() < x2 &&
 700                                 get_cursor_y() >= half_h && get_cursor_y() < h)
 701                         {
 702                                 operation = DRAG_MAX_OUTPUT;
 703                         }
 704                 }
 705                 return 1;
 706         }
 707         return 0;
 708 }
 709
 710 int HistogramSlider::button_release_event()
 711 {
 712         if(operation != NONE)
 713         {
 714                 operation = NONE;
 715                 return 1;
 716         }
 717         return 0;
 718 }
 719
 720 int HistogramSlider::cursor_motion_event()
 721 {
 722         if(operation != NONE)
 723         {
 724                 float value = (float)get_cursor_x() / get_w() * FLOAT_RANGE + HIST_MIN_INPUT;
 725                 CLAMP(value, HIST_MIN_INPUT, HIST_MAX_INPUT);
 726
 727                 switch(operation)
 728                 {
 729                         case DRAG_MIN_OUTPUT:
 730                                 value = MIN(plugin->config.output_max[plugin->mode], value);
 731                                 plugin->config.output_min[plugin->mode] = value;
 732                                 break;
 733                         case DRAG_MAX_OUTPUT:
 734                                 value = MAX(plugin->config.output_min[plugin->mode], value);
 735                                 plugin->config.output_max[plugin->mode] = value;
 736                                 break;
 737                 }
 738
 739                 plugin->config.boundaries();
 740                 gui->update_output();
 741
 742                 plugin->send_configure_change();
 743                 return 1;
 744         }
 745         return 0;
 746 }
 747
 748 void HistogramSlider::update()
 749 {
 750         int w = get_w();
 751         int h = get_h();
 752         int half_h = get_h() / 2;
 753 //      int quarter_h = get_h() / 4;
 754         int mode = plugin->mode;
 755         int r = 0xff;
 756         int g = 0xff;
 757         int b = 0xff;
 758
 759         clear_box(0, 0, w, h);
 760
 761         switch(mode)
 762         {
 763                 case HISTOGRAM_RED:
 764                         g = b = 0x00;
 765                         break;
 766                 case HISTOGRAM_GREEN:
 767                         r = b = 0x00;
 768                         break;
 769                 case HISTOGRAM_BLUE:
 770                         r = g = 0x00;
 771                         break;
 772         }
 773
 774         for(int i = 0; i < w; i++)
 775         {
 776                 int color = (int)(i * 0xff / w);
 777                 set_color(((r * color / 0xff) << 16) |
 778                         ((g * color / 0xff) << 8) |
 779                         (b * color / 0xff));
 780
 781                 draw_line(i, 0, i, half_h);
 782         }
 783
 784         float min;
 785         float max;
 786         min = plugin->config.output_min[plugin->mode];
 787         max = plugin->config.output_max[plugin->mode];
 788
 789         draw_pixmap(gui->min_picon,
 790                 input_to_pixel(min) - gui->min_picon->get_w() / 2,
 791                 half_h + 1);
 792         draw_pixmap(gui->max_picon,
 793                 input_to_pixel(max) - gui->max_picon->get_w() / 2,
 794                 half_h + 1);
 795
 796         flash();
 797         flush();
 798 }
 799
 800
 801
 802
 803
 804
 805
 806
 807
 808 HistogramAuto::HistogramAuto(HistogramMain *plugin,
 809         int x,
 810         int y)
 811  : BC_CheckBox(x, y, plugin->config.automatic, _("Automatic"))
 812 {
 813         this->plugin = plugin;
 814 }
 815
 816 int HistogramAuto::handle_event()
 817 {
 818         plugin->config.automatic = get_value();
 819         plugin->send_configure_change();
 820         return 1;
 821 }
 822
 823
 824
 825
 826 HistogramSplit::HistogramSplit(HistogramMain *plugin,
 827         int x,
 828         int y)
 829  : BC_CheckBox(x, y, plugin->config.split, _("Split picture"))
 830 {
 831         this->plugin = plugin;
 832 }
 833
 834 int HistogramSplit::handle_event()
 835 {
 836         plugin->config.split = get_value();
 837         plugin->send_configure_change();
 838         return 1;
 839 }
 840
 841
 842
 843
 844 HistogramMode::HistogramMode(HistogramMain *plugin,
 845         int x,
 846         int y,
 847         int value,
 848         char *text)
 849  : BC_Radial(x, y, plugin->mode == value, text)
 850 {
 851         this->plugin = plugin;
 852         this->value = value;
 853 }
 854 int HistogramMode::handle_event()
 855 {
 856         plugin->mode = value;
 857         plugin->current_point= -1;
 858         HistogramWindow *window = (HistogramWindow *)plugin->thread->window;
 859         window->update_canvas();
 860         window->update_mode();
 861         window->update_input();
 862         window->update_canvas();
 863         window->update_output();
 864         window->output->update();
 865 //      plugin->send_configure_change();
 866         return 1;
 867 }
 868
 869
 870
 871
 872
 873
 874
 875
 876
 877 HistogramOutputText::HistogramOutputText(HistogramMain *plugin,
 878         HistogramWindow *gui,
 879         int x,
 880         int y,
 881         float *output)
 882  : BC_TumbleTextBox(gui,
 883                 output ? (float)*output : 0.0,
 884                 (float)HIST_MIN_INPUT,
 885                 (float)HIST_MAX_INPUT,
 886                 x,
 887                 y,
 888                 60)
 889 {
 890         this->plugin = plugin;
 891         this->output = output;
 892         set_precision(DIGITS);
 893         set_increment(PRECISION);
 894 }
 895
 896
 897 int HistogramOutputText::handle_event()
 898 {
 899         if(output)
 900         {
 901                 *output = atof(get_text());
 902         }
 903
 904         HistogramWindow *window = (HistogramWindow *)plugin->thread->window;
 905         window->output->update();
 906         plugin->send_configure_change();
 907         return 1;
 908 }
 909
 910
 911
 912
 913
 914
 915
 916
 917 HistogramInputText::HistogramInputText(HistogramMain *plugin,
 918         HistogramWindow *gui,
 919         int x,
 920         int y,
 921         int do_x)
 922  : BC_TumbleTextBox(gui,
 923                 0.0,
 924                 (float)HIST_MIN_INPUT,
 925                 (float)HIST_MAX_INPUT,
 926                 x,
 927                 y,
 928                 60)
 929 {
 930         this->do_x = do_x;
 931         this->plugin = plugin;
 932         this->gui = gui;
 933         set_precision(DIGITS);
 934         set_increment(PRECISION);
 935 }
 936
 937
 938 int HistogramInputText::handle_event()
 939 {
 940         if(plugin->current_point >= 0 &&
 941                 plugin->current_point < plugin->config.points[plugin->mode].total())
 942         {
 943                 HistogramPoint *point =
 944                         plugin->config.points[plugin->mode].get_item_number(
 945                                 plugin->current_point);
 946
 947                 if(point)
 948                 {
 949                         if(do_x)
 950                                 point->x = atof(get_text());
 951                         else
 952                                 point->y = atof(get_text());
 953
 954                         plugin->config.boundaries();
 955                         gui->update_canvas();
 956
 957                         HistogramWindow *window = (HistogramWindow *)plugin->thread->window;
 958                         window->output->update();
 959                         plugin->send_configure_change();
 960                 }
 961         }
 962         return 1;
 963 }
 964
 965 void HistogramInputText::update()
 966 {
 967         if(plugin->current_point >= 0 &&
 968                 plugin->current_point < plugin->config.points[plugin->mode].total())
 969         {
 970                 HistogramPoint *point =
 971
 972                         plugin->config.points[plugin->mode].get_item_number(
 973                                 plugin->current_point);
 974
 975                 if(point)
 976                 {
 977                         if(do_x)
 978                                 BC_TumbleTextBox::update(point->x);
 979                         else
 980                                 BC_TumbleTextBox::update(point->y);
 981                 }
 982                 else
 983                 {
 984                         BC_TumbleTextBox::update((float)0.0);
 985                 }
 986         }
 987         else
 988         {
 989                 BC_TumbleTextBox::update((float)0.0);
 990         }
 991
 992 }
 993
 994
 995 HistogramSmoothMode::HistogramSmoothMode(HistogramMain*plugin,
 996         HistogramWindow *gui,
 997         int x,
 998         int y)
 999  : BC_PopupMenu(x, y, 120, to_text(plugin->config.smoothMode), 1)
1000 {
1001         this->plugin = plugin;
1002         this->gui = gui;
1003 }
1004 void HistogramSmoothMode::create_objects()
1005 {
1006         add_item(new BC_MenuItem(to_text(HISTOGRAM_LINEAR)));
1007         add_item(new BC_MenuItem(to_text(HISTOGRAM_POLYNOMINAL)));
1008         add_item(new BC_MenuItem(to_text(HISTOGRAM_BEZIER)));
1009 }
1010
1011 char* HistogramSmoothMode::to_text(int mode)
1012 {
1013         switch(mode)
1014         {
1015                 case HISTOGRAM_LINEAR:
1016                         return _("Linear");
1017                 case HISTOGRAM_POLYNOMINAL:
1018                         return _("Polynominal");
1019                 case HISTOGRAM_BEZIER:
1020                         return _("Bezier");
1021         }
1022         return _("None");
1023 }
1024
1025 int HistogramSmoothMode::from_text(char *text)
1026 {
1027         if(!strcmp(text, to_text(HISTOGRAM_LINEAR)))
1028                 return HISTOGRAM_LINEAR;
1029         if(!strcmp(text, to_text(HISTOGRAM_POLYNOMINAL)))
1030                 return HISTOGRAM_POLYNOMINAL;
1031         if(!strcmp(text, to_text(HISTOGRAM_BEZIER)))
1032                 return HISTOGRAM_BEZIER;
1033         return HISTOGRAM_LINEAR;
1034 }
1035
1036 int HistogramSmoothMode::handle_event()
1037 {
1038         plugin->config.smoothMode = from_text(get_text());
1039         gui->update_canvas();
1040         plugin->send_configure_change();
1041         return 1;
1042 }
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056