cinelerra-5.0/guicast/bctheme.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 "bctheme.h"
  23 #include "bcwindowbase.h"
  24 #include "clip.h"
  25 #include "language.h"
  26 #include "vframe.h"
  27
  28 #include <errno.h>
  29 #include <stdio.h>
  30 #include <string.h>
  31
  32 BC_Theme::BC_Theme()
  33 {
  34         data_ptr = 0;
  35         contents_ptr = 0;
  36         last_image = 0;
  37         last_pointer = 0;
  38
  39
  40 }
  41
  42 BC_Theme::~BC_Theme()
  43 {
  44         image_sets.remove_all_objects();
  45 }
  46
  47 void BC_Theme::dump()
  48 {
  49         printf("BC_Theme::dump 1 image_sets=%d contents=%d\n",
  50                 image_sets.total,
  51                 contents.total);
  52         for(int i = 0; i < contents.total; i++)
  53                 printf("    %s %p\n", contents.values[i], pointers.values[i]);
  54 }
  55
  56 BC_Resources* BC_Theme::get_resources()
  57 {
  58         return BC_WindowBase::get_resources();
  59 }
  60
  61
  62 // These create single images for storage in the image_sets table.
  63 VFrame* BC_Theme::new_image(const char *title, const char *path)
  64 {
  65         VFrame *existing_image = title[0] ? get_image(title, 0) : 0;
  66         if(existing_image) return existing_image;
  67
  68         BC_ThemeSet *result = new BC_ThemeSet(1, 0, title);
  69         result->data[0] = new VFrame(get_image_data(path));
  70         image_sets.append(result);
  71         return result->data[0];
  72 }
  73
  74 VFrame* BC_Theme::new_image(const char *path)
  75 {
  76         return new_image("", path);
  77 }
  78
  79
  80
  81 // These create image sets which are stored in the image_sets table.
  82 VFrame** BC_Theme::new_image_set(const char *title, int total, va_list *args)
  83 {
  84         if(!total)
  85         {
  86                 printf("BC_Theme::new_image_set %d %s zero number of images\n",
  87                         __LINE__,
  88                         title);
  89         }
  90
  91         VFrame **existing_image_set = title[0] ? get_image_set(title, 0) : 0;
  92         if(existing_image_set) return existing_image_set;
  93
  94         BC_ThemeSet *result = new BC_ThemeSet(total, 1, title);
  95         image_sets.append(result);
  96         for(int i = 0; i < total; i++)
  97         {
  98                 char *path = va_arg(*args, char*);
  99                 result->data[i] = new_image(path);
 100         }
 101         return result->data;
 102 }
 103
 104 VFrame** BC_Theme::new_image_set_images(const char *title, int total, ...)
 105 {
 106         va_list list;
 107         va_start(list, total);
 108         BC_ThemeSet *existing_image_set = title[0] ? get_image_set_object(title) : 0;
 109         if(existing_image_set)
 110         {
 111                 image_sets.remove_object(existing_image_set);
 112         }
 113
 114         BC_ThemeSet *result = new BC_ThemeSet(total, 0, title);
 115         image_sets.append(result);
 116         for(int i = 0; i < total; i++)
 117         {
 118                 result->data[i] = va_arg(list, VFrame*);
 119         }
 120         va_end(list);
 121         return result->data;
 122 }
 123
 124 VFrame** BC_Theme::new_image_set(const char *title, int total, ...)
 125 {
 126         va_list list;
 127         va_start(list, total);
 128         VFrame **result = new_image_set(title, total, &list);
 129         va_end(list);
 130
 131         return result;
 132 }
 133
 134 VFrame** BC_Theme::new_image_set(int total, ...)
 135 {
 136         va_list list;
 137         va_start(list, total);
 138         VFrame **result = new_image_set("", total, &list);
 139         va_end(list);
 140
 141         return result;
 142 }
 143
 144 BC_ThemeSet* BC_Theme::get_image_set_object(const char *title)
 145 {
 146 // compare title[0],title[1] for faster prefix test
 147         const unsigned char *bp = (const unsigned char*)title;
 148         unsigned short tval = bp[0];
 149         if( tval ) tval |= (bp[1] << 8);
 150
 151         for( int i=0; i < image_sets.total; ++i ) {
 152                 const char *tp = image_sets[i]->title;
 153                 bp = (const unsigned char *) tp;
 154                 unsigned short val = bp[0];
 155                 if( val ) val |= (bp[1] << 8);
 156                 if( val != tval ) continue;
 157                 if( !strcmp(tp, title) ) return image_sets[i];
 158         }
 159         return 0;
 160 }
 161
 162 VFrame* BC_Theme::get_image(const char *title, int use_default)
 163 {
 164         BC_ThemeSet* tsp = get_image_set_object(title);
 165         if( tsp ) return tsp->data[0];
 166
 167
 168 // Return the first image it can find.  This should always work.
 169         if(use_default) {
 170                 printf("BC_Theme::get_image: image \"%s\" not found.\n",
 171                         title);
 172                 if(image_sets.total)
 173                         return image_sets[0]->data[0];
 174         }
 175
 176 // Give up and go to a movie.
 177         return 0;
 178 }
 179
 180 VFrame** BC_Theme::get_image_set(const char *title, int use_default)
 181 {
 182         BC_ThemeSet* tsp = get_image_set_object(title);
 183         if( tsp ) return tsp->data;
 184
 185 // Get the image set with the largest number of images.
 186         if(use_default)
 187         {
 188                 printf("BC_Theme::get_image_set: image set \"%s\" not found.\n",
 189                         title);
 190                 int max_total = 0;
 191                 int max_number = -1;
 192                 for(int i = 0; i < image_sets.total; i++)
 193                 {
 194                         if(image_sets[i]->total > max_total)
 195                         {
 196                                 max_total = image_sets[i]->total;
 197                                 max_number = i;
 198                         }
 199                 }
 200
 201                 if(max_number >= 0)
 202                         return image_sets[max_number]->data;
 203         }
 204
 205 // Give up and go to a movie
 206         return 0;
 207 }
 208
 209
 210
 211
 212
 213
 214
 215
 216
 217
 218
 219 VFrame** BC_Theme::new_button(const char *overlay_path,
 220         const char *up_path,
 221         const char *hi_path,
 222         const char *dn_path,
 223         const char *title)
 224 {
 225         VFrame default_data(get_image_data(overlay_path));
 226         BC_ThemeSet *result = new BC_ThemeSet(3, 1, title ? title : "");
 227         if(title) image_sets.append(result);
 228
 229         result->data[0] = new_image(up_path);
 230         result->data[1] = new_image(hi_path);
 231         result->data[2] = new_image(dn_path);
 232         for(int i = 0; i < 3; i++)
 233         {
 234                 overlay(result->data[i], &default_data, -1, -1, (i == 2));
 235         }
 236         return result->data;
 237 }
 238
 239
 240 VFrame** BC_Theme::new_button4(const char *overlay_path,
 241         const char *up_path,
 242         const char *hi_path,
 243         const char *dn_path,
 244         const char *disabled_path,
 245         const char *title)
 246 {
 247         VFrame default_data(get_image_data(overlay_path));
 248         BC_ThemeSet *result = new BC_ThemeSet(4, 1, title ? title : "");
 249         if(title) image_sets.append(result);
 250
 251         result->data[0] = new_image(up_path);
 252         result->data[1] = new_image(hi_path);
 253         result->data[2] = new_image(dn_path);
 254         result->data[3] = new_image(disabled_path);
 255         for(int i = 0; i < 4; i++)
 256         {
 257                 overlay(result->data[i], &default_data, -1, -1, (i == 2));
 258         }
 259         return result->data;
 260 }
 261
 262
 263 VFrame** BC_Theme::new_button(const char *overlay_path,
 264         VFrame *up,
 265         VFrame *hi,
 266         VFrame *dn,
 267         const char *title)
 268 {
 269         VFrame default_data(get_image_data(overlay_path));
 270         BC_ThemeSet *result = new BC_ThemeSet(3, 0, title ? title : "");
 271         if(title) image_sets.append(result);
 272
 273         result->data[0] = new VFrame(*up);
 274         result->data[1] = new VFrame(*hi);
 275         result->data[2] = new VFrame(*dn);
 276         for(int i = 0; i < 3; i++)
 277                 overlay(result->data[i], &default_data, -1, -1, (i == 2));
 278         return result->data;
 279 }
 280
 281
 282 VFrame** BC_Theme::new_toggle(const char *overlay_path,
 283         const char *up_path,
 284         const char *hi_path,
 285         const char *checked_path,
 286         const char *dn_path,
 287         const char *checkedhi_path,
 288         const char *title)
 289 {
 290         VFrame default_data(get_image_data(overlay_path));
 291         BC_ThemeSet *result = new BC_ThemeSet(5, 1, title ? title : "");
 292         if(title) image_sets.append(result);
 293
 294         result->data[0] = new_image(up_path);
 295         result->data[1] = new_image(hi_path);
 296         result->data[2] = new_image(checked_path);
 297         result->data[3] = new_image(dn_path);
 298         result->data[4] = new_image(checkedhi_path);
 299         for(int i = 0; i < 5; i++)
 300                 overlay(result->data[i], &default_data, -1, -1, (i == 3));
 301         return result->data;
 302 }
 303
 304 VFrame** BC_Theme::new_toggle(const char *overlay_path,
 305         VFrame *up,
 306         VFrame *hi,
 307         VFrame *checked,
 308         VFrame *dn,
 309         VFrame *checkedhi,
 310         const char *title)
 311 {
 312         VFrame default_data(get_image_data(overlay_path));
 313         BC_ThemeSet *result = new BC_ThemeSet(5, 0, title ? title : "");
 314         if(title) image_sets.append(result);
 315
 316         result->data[0] = new VFrame(*up);
 317         result->data[1] = new VFrame(*hi);
 318         result->data[2] = new VFrame(*checked);
 319         result->data[3] = new VFrame(*dn);
 320         result->data[4] = new VFrame(*checkedhi);
 321         for(int i = 0; i < 5; i++)
 322                 overlay(result->data[i], &default_data, -1, -1, (i == 3));
 323         return result->data;
 324 }
 325
 326 void BC_Theme::overlay(VFrame *dst, VFrame *src, int in_x1, int in_x2, int shift)
 327 {
 328         int w;
 329         int h;
 330         unsigned char **in_rows;
 331         unsigned char **out_rows;
 332
 333         if(in_x1 < 0)
 334         {
 335                 w = MIN(src->get_w(), dst->get_w());
 336                 h = MIN(dst->get_h(), src->get_h());
 337                 in_x1 = 0;
 338                 in_x2 = w;
 339         }
 340         else
 341         {
 342                 w = in_x2 - in_x1;
 343                 h = MIN(dst->get_h(), src->get_h());
 344         }
 345         in_rows = src->get_rows();
 346         out_rows = dst->get_rows();
 347
 348         switch(src->get_color_model())
 349         {
 350                 case BC_RGBA8888:
 351                         switch(dst->get_color_model())
 352                         {
 353                                 case BC_RGBA8888:
 354                                         for(int i = shift; i < h; i++)
 355                                         {
 356                                                 unsigned char *in_row = 0;
 357                                                 unsigned char *out_row;
 358
 359                                                 if(!shift)
 360                                                 {
 361                                                         in_row = in_rows[i] + in_x1 * 4;
 362                                                         out_row = out_rows[i];
 363                                                 }
 364                                                 else
 365                                                 {
 366                                                         in_row = in_rows[i - 1] + in_x1 * 4;
 367                                                         out_row = out_rows[i] + 4;
 368                                                 }
 369
 370                                                 for(int j = shift; j < w; j++)
 371                                                 {
 372                                                         int opacity = in_row[3];
 373                                                         int transparency = 0xff - opacity;
 374
 375                                                         out_row[0] = (in_row[0] * opacity + out_row[0] * transparency) / 0xff;
 376                                                         out_row[1] = (in_row[1] * opacity + out_row[1] * transparency) / 0xff;
 377                                                         out_row[2] = (in_row[2] * opacity + out_row[2] * transparency) / 0xff;
 378                                                         out_row[3] = MAX(in_row[3], out_row[3]);
 379                                                         out_row += 4;
 380                                                         in_row += 4;
 381                                                 }
 382                                         }
 383                                         break;
 384
 385                                 case BC_RGB888:
 386                                         for(int i = shift; i < h; i++)
 387                                         {
 388                                                 unsigned char *in_row;
 389                                                 unsigned char *out_row = out_rows[i];
 390
 391                                                 if(!shift)
 392                                                 {
 393                                                         in_row = in_rows[i] + in_x1 * 3;
 394                                                         out_row = out_rows[i];
 395                                                 }
 396                                                 else
 397                                                 {
 398                                                         in_row = in_rows[i - 1] + in_x1 * 3;
 399                                                         out_row = out_rows[i] + 3;
 400                                                 }
 401
 402                                                 for(int j = shift; j < w; j++)
 403                                                 {
 404                                                         int opacity = in_row[3];
 405                                                         int transparency = 0xff - opacity;
 406                                                         out_row[0] = (in_row[0] * opacity + out_row[0] * transparency) / 0xff;
 407                                                         out_row[1] = (in_row[1] * opacity + out_row[1] * transparency) / 0xff;
 408                                                         out_row[2] = (in_row[2] * opacity + out_row[2] * transparency) / 0xff;
 409                                                         out_row += 3;
 410                                                         in_row += 4;
 411                                                 }
 412                                         }
 413                                         break;
 414                         }
 415                         break;
 416         }
 417 }
 418
 419 void BC_Theme::set_data(unsigned char *ptr)
 420 {
 421         contents_ptr = (char*)(ptr + sizeof(int));
 422         int contents_size = *(int*)ptr - sizeof(int);
 423         data_ptr = contents_ptr + contents_size;
 424
 425         for(int i = 0; i < contents_size; )
 426         {
 427                 used.append(0);
 428                 contents.append(contents_ptr + i);
 429                 while(contents_ptr[i] && i < contents_size)
 430                         i++;
 431                 if(i < contents_size)
 432                 {
 433                         i++;
 434                         pointers.append((unsigned char*)data_ptr +
 435                                 *(unsigned int*)(contents_ptr + i));
 436                         i += 4;
 437                 }
 438                 else
 439                 {
 440                         pointers.append((unsigned char*)data_ptr);
 441                         break;
 442                 }
 443         }
 444 }
 445
 446 unsigned char* BC_Theme::get_image_data(const char *title)
 447 {
 448         if(!data_ptr)
 449         {
 450                 fprintf(stderr, "BC_Theme::get_image_data: no data set\n");
 451                 return 0;
 452         }
 453
 454 // Image is the same as the last one
 455         if(last_image && !strcasecmp(last_image, title))
 456         {
 457                 return last_pointer;
 458         }
 459         else
 460 // Search for image anew.
 461         for(int i = 0; i < contents.total; i++)
 462         {
 463                 if(!strcasecmp(contents.values[i], title))
 464                 {
 465                         last_pointer = pointers.values[i];
 466                         last_image = contents.values[i];
 467                         used.values[i] = 1;
 468                         return pointers.values[i];
 469                 }
 470         }
 471
 472         fprintf(stderr, _("Theme::get_image: %s not found.\n"), title);
 473         return 0;
 474 }
 475
 476 void BC_Theme::check_used()
 477 {
 478 // Can't use because some images are gotten the old fashioned way.
 479 return;
 480         int got_it = 0;
 481         for(int i = 0; i < used.total; i++)
 482         {
 483                 if(!used.values[i])
 484                 {
 485                         if(!got_it)
 486                                 printf(_("BC_Theme::check_used: Images aren't used.\n"));
 487                         printf("%s ", contents.values[i]);
 488                         got_it = 1;
 489                 }
 490         }
 491         if(got_it) printf("\n");
 492 }
 493
 494
 495
 496
 497
 498
 499
 500
 501
 502
 503
 504
 505 BC_ThemeSet::BC_ThemeSet(int total, int is_reference, const char *title)
 506 {
 507         this->total = total;
 508         this->title = new char[strlen(title) + 1];
 509         strcpy(this->title, title);
 510         this->is_reference = is_reference;
 511         data = new VFrame*[total];
 512 }
 513
 514 BC_ThemeSet::~BC_ThemeSet()
 515 {
 516         if(data)
 517         {
 518                 if(!is_reference)
 519                 {
 520                         for(int i = 0; i < total; i++)
 521                                 delete data[i];
 522                 }
 523
 524                 delete [] data;
 525         }
 526
 527         delete [] title;
 528 }
 529
 530
 531
 532
 533