lib/gdi/grc.cpp

   1 #include <unistd.h>
   2 #include <lib/gdi/grc.h>
   3 #include <lib/gdi/font.h>
   4 #include <lib/base/init.h>
   5 #include <lib/base/init_num.h>
   6
   7 #ifndef SYNC_PAINT
   8 void *gRC::thread_wrapper(void *ptr)
   9 {
  10         return ((gRC*)ptr)->thread();
  11 }
  12 #endif
  13
  14 gRC *gRC::instance=0;
  15
  16 gRC::gRC(): rp(0), wp(0)
  17 #ifdef SYNC_PAINT
  18 ,m_notify_pump(eApp, 0)
  19 #else
  20 ,m_notify_pump(eApp, 1)
  21 #endif
  22 {
  23         ASSERT(!instance);
  24         instance=this;
  25         CONNECT(m_notify_pump.recv_msg, gRC::recv_notify);
  26 #ifndef SYNC_PAINT
  27         pthread_mutex_init(&mutex, 0);
  28         pthread_cond_init(&cond, 0);
  29         int res = pthread_create(&the_thread, 0, thread_wrapper, this);
  30         if (res)
  31                 eFatal("RC thread couldn't be created");
  32         else
  33                 eDebug("RC thread created successfully");
  34 #endif
  35         m_spinner_enabled = 0;
  36 }
  37
  38 DEFINE_REF(gRC);
  39
  40 gRC::~gRC()
  41 {
  42         instance=0;
  43
  44         gOpcode o;
  45         o.opcode=gOpcode::shutdown;
  46         submit(o);
  47 #ifndef SYNC_PAINT
  48         eDebug("waiting for gRC thread shutdown");
  49         pthread_join(the_thread, 0);
  50         eDebug("gRC thread has finished");
  51 #endif
  52 }
  53
  54 void gRC::submit(const gOpcode &o)
  55 {
  56         while(1)
  57         {
  58 #ifndef SYNC_PAINT
  59                 pthread_mutex_lock(&mutex);
  60 #endif
  61                 int tmp=wp+1;
  62                 if ( tmp == MAXSIZE )
  63                         tmp=0;
  64                 if ( tmp == rp )
  65                 {
  66 #ifndef SYNC_PAINT
  67                         pthread_cond_signal(&cond);  // wakeup gdi thread
  68                         pthread_mutex_unlock(&mutex);
  69 #else
  70                         thread();
  71 #endif
  72                         //printf("render buffer full...\n");
  73                         //fflush(stdout);
  74                         usleep(1000);  // wait 1 msec
  75                         continue;
  76                 }
  77                 int free=rp-wp;
  78                 if ( free <= 0 )
  79                         free+=MAXSIZE;
  80                 queue[wp++]=o;
  81                 if ( wp == MAXSIZE )
  82                         wp = 0;
  83                 if (o.opcode==gOpcode::flush||o.opcode==gOpcode::shutdown||o.opcode==gOpcode::notify)
  84 #ifndef SYNC_PAINT
  85                         pthread_cond_signal(&cond);  // wakeup gdi thread
  86                 pthread_mutex_unlock(&mutex);
  87 #else
  88                         thread(); // paint
  89 #endif
  90                 break;
  91         }
  92 }
  93
  94 void *gRC::thread()
  95 {
  96         int need_notify = 0;
  97 #ifndef SYNC_PAINT
  98         while (1)
  99         {
 100 #else
 101         while (rp != wp)
 102         {
 103 #endif
 104 #ifndef SYNC_PAINT
 105                 pthread_mutex_lock(&mutex);
 106 #endif
 107                 if ( rp != wp )
 108                 {
 109                                 /* make sure the spinner is not displayed when we something is painted */
 110                         disableSpinner();
 111
 112                         gOpcode o(queue[rp++]);
 113                         if ( rp == MAXSIZE )
 114                                 rp=0;
 115 #ifndef SYNC_PAINT
 116                         pthread_mutex_unlock(&mutex);
 117 #endif
 118                         if (o.opcode==gOpcode::shutdown)
 119                                 break;
 120                         else if (o.opcode==gOpcode::notify)
 121                                 need_notify = 1;
 122                         else
 123                         {
 124                                 o.dc->exec(&o);
 125                                 // o.dc is a gDC* filled with grabref... so we must release it here
 126                                 o.dc->Release();
 127                         }
 128                 }
 129                 else
 130                 {
 131                         if (need_notify)
 132                         {
 133                                 need_notify = 0;
 134                                 m_notify_pump.send(1);
 135                         }
 136 #ifndef SYNC_PAINT
 137                         while(rp == wp)
 138                         {
 139
 140                                         /* when the main thread is non-idle for a too long time without any display output,
 141                                            we want to display a spinner. */
 142
 143                                 struct timeval time;
 144                                 struct timespec timeout;
 145                                 gettimeofday(&time, NULL);
 146                                 timeout.tv_sec = time.tv_sec;
 147                                 timeout.tv_nsec = time.tv_usec * 1000;
 148
 149                                 if (m_spinner_enabled)
 150                                         timeout.tv_nsec += 100*1000*1000;
 151                                 else
 152                                         timeout.tv_sec += 2;
 153
 154                                         /* yes, this is required. */
 155                                 if (timeout.tv_nsec > 1000*1000*1000)
 156                                 {
 157                                         timeout.tv_nsec -= 1000*1000*1000;
 158                                         timeout.tv_sec++;
 159                                 }
 160
 161                                 int idle = 1;
 162
 163                                 if (pthread_cond_timedwait(&cond, &mutex, &timeout) == ETIMEDOUT)
 164                                 {
 165                                         if (eApp && !eApp->isIdle())
 166                                                 idle = 0;
 167                                 }
 168
 169                                 pthread_mutex_unlock(&mutex);
 170
 171                                 if (!idle)
 172                                 {
 173                                         if (!m_spinner_enabled)
 174                                                 eDebug("main thread is non-idle! display spinner!");
 175                                         enableSpinner();
 176                                 } else
 177                                         disableSpinner();
 178                         }
 179 #endif
 180                 }
 181         }
 182 #ifndef SYNC_PAINT
 183         pthread_exit(0);
 184 #endif
 185         return 0;
 186 }
 187
 188 void gRC::recv_notify(const int &i)
 189 {
 190         notify();
 191 }
 192
 193 gRC *gRC::getInstance()
 194 {
 195         return instance;
 196 }
 197
 198 void gRC::enableSpinner()
 199 {
 200         if (!m_spinner_dc)
 201         {
 202                 eDebug("no spinner DC!");
 203                 return;
 204         }
 205
 206         gOpcode o;
 207         o.opcode = m_spinner_enabled ? gOpcode::incrementSpinner : gOpcode::enableSpinner;
 208         m_spinner_dc->exec(&o);
 209         m_spinner_enabled = 1;
 210         o.opcode = gOpcode::flush;
 211         m_spinner_dc->exec(&o);
 212 }
 213
 214 void gRC::disableSpinner()
 215 {
 216         if (!m_spinner_enabled)
 217                 return;
 218
 219         if (!m_spinner_dc)
 220         {
 221                 eDebug("no spinner DC!");
 222                 return;
 223         }
 224
 225         m_spinner_enabled = 0;
 226
 227         gOpcode o;
 228         o.opcode = gOpcode::disableSpinner;
 229         m_spinner_dc->exec(&o);
 230         o.opcode = gOpcode::flush;
 231         m_spinner_dc->exec(&o);
 232 }
 233
 234 static int gPainter_instances;
 235
 236 gPainter::gPainter(gDC *dc, eRect rect): m_dc(dc), m_rc(gRC::getInstance())
 237 {
 238 //      ASSERT(!gPainter_instances);
 239         gPainter_instances++;
 240 //      begin(rect);
 241 }
 242
 243 gPainter::~gPainter()
 244 {
 245         end();
 246         gPainter_instances--;
 247 }
 248
 249 void gPainter::setBackgroundColor(const gColor &color)
 250 {
 251         if ( m_dc->islocked() )
 252                 return;
 253         gOpcode o;
 254         o.opcode = gOpcode::setBackgroundColor;
 255         o.dc = m_dc.grabRef();
 256         o.parm.setColor = new gOpcode::para::psetColor;
 257         o.parm.setColor->color = color;
 258
 259         m_rc->submit(o);
 260 }
 261
 262 void gPainter::setForegroundColor(const gColor &color)
 263 {
 264         if ( m_dc->islocked() )
 265                 return;
 266         gOpcode o;
 267         o.opcode = gOpcode::setForegroundColor;
 268         o.dc = m_dc.grabRef();
 269         o.parm.setColor = new gOpcode::para::psetColor;
 270         o.parm.setColor->color = color;
 271
 272         m_rc->submit(o);
 273 }
 274
 275 void gPainter::setBackgroundColor(const gRGB &color)
 276 {
 277         if ( m_dc->islocked() )
 278                 return;
 279         gOpcode o;
 280         o.opcode = gOpcode::setBackgroundColorRGB;
 281         o.dc = m_dc.grabRef();
 282         o.parm.setColorRGB = new gOpcode::para::psetColorRGB;
 283         o.parm.setColorRGB->color = color;
 284
 285         m_rc->submit(o);
 286 }
 287
 288 void gPainter::setForegroundColor(const gRGB &color)
 289 {
 290         if ( m_dc->islocked() )
 291                 return;
 292         gOpcode o;
 293         o.opcode = gOpcode::setForegroundColorRGB;
 294         o.dc = m_dc.grabRef();
 295         o.parm.setColorRGB = new gOpcode::para::psetColorRGB;
 296         o.parm.setColorRGB->color = color;
 297
 298         m_rc->submit(o);
 299 }
 300
 301 void gPainter::setFont(gFont *font)
 302 {
 303         if ( m_dc->islocked() )
 304                 return;
 305         gOpcode o;
 306         o.opcode = gOpcode::setFont;
 307         o.dc = m_dc.grabRef();
 308         font->AddRef();
 309         o.parm.setFont = new gOpcode::para::psetFont;
 310         o.parm.setFont->font = font;
 311
 312         m_rc->submit(o);
 313 }
 314
 315 void gPainter::renderText(const eRect &pos, const std::string &string, int flags)
 316 {
 317         if ( m_dc->islocked() )
 318                 return;
 319         gOpcode o;
 320         o.opcode=gOpcode::renderText;
 321         o.dc = m_dc.grabRef();
 322         o.parm.renderText = new gOpcode::para::prenderText;
 323         o.parm.renderText->area = pos;
 324         o.parm.renderText->text = string.empty()?0:strdup(string.c_str());
 325         o.parm.renderText->flags = flags;
 326         m_rc->submit(o);
 327 }
 328
 329 void gPainter::renderPara(eTextPara *para, ePoint offset)
 330 {
 331         if ( m_dc->islocked() )
 332                 return;
 333         gOpcode o;
 334         o.opcode=gOpcode::renderPara;
 335         o.dc = m_dc.grabRef();
 336         o.parm.renderPara = new gOpcode::para::prenderPara;
 337         o.parm.renderPara->offset = offset;
 338
 339         para->AddRef();
 340         o.parm.renderPara->textpara = para;
 341         m_rc->submit(o);
 342 }
 343
 344 void gPainter::fill(const eRect &area)
 345 {
 346         if ( m_dc->islocked() )
 347                 return;
 348         gOpcode o;
 349         o.opcode=gOpcode::fill;
 350
 351         o.dc = m_dc.grabRef();
 352         o.parm.fill = new gOpcode::para::pfillRect;
 353         o.parm.fill->area = area;
 354         m_rc->submit(o);
 355 }
 356
 357 void gPainter::fill(const gRegion &region)
 358 {
 359         if ( m_dc->islocked() )
 360                 return;
 361         gOpcode o;
 362         o.opcode=gOpcode::fillRegion;
 363
 364         o.dc = m_dc.grabRef();
 365         o.parm.fillRegion = new gOpcode::para::pfillRegion;
 366         o.parm.fillRegion->region = region;
 367         m_rc->submit(o);
 368 }
 369
 370 void gPainter::clear()
 371 {
 372         if ( m_dc->islocked() )
 373                 return;
 374         gOpcode o;
 375         o.opcode=gOpcode::clear;
 376         o.dc = m_dc.grabRef();
 377         o.parm.fill = new gOpcode::para::pfillRect;
 378         o.parm.fill->area = eRect();
 379         m_rc->submit(o);
 380 }
 381
 382 void gPainter::blit(gPixmap *pixmap, ePoint pos, const eRect &clip, int flags)
 383 {
 384         if ( m_dc->islocked() )
 385                 return;
 386         gOpcode o;
 387
 388         ASSERT(pixmap);
 389
 390         o.opcode=gOpcode::blit;
 391         o.dc = m_dc.grabRef();
 392         pixmap->AddRef();
 393         o.parm.blit  = new gOpcode::para::pblit;
 394         o.parm.blit->pixmap = pixmap;
 395         o.parm.blit->position = pos;
 396         o.parm.blit->clip = clip;
 397         o.parm.blit->flags=flags;
 398         m_rc->submit(o);
 399 }
 400
 401
 402 void gPainter::setPalette(gRGB *colors, int start, int len)
 403 {
 404         if ( m_dc->islocked() )
 405                 return;
 406         gOpcode o;
 407         o.opcode=gOpcode::setPalette;
 408         o.dc = m_dc.grabRef();
 409         gPalette *p=new gPalette;
 410
 411         o.parm.setPalette = new gOpcode::para::psetPalette;
 412         p->data=new gRGB[len];
 413
 414         memcpy(p->data, colors, len*sizeof(gRGB));
 415         p->start=start;
 416         p->colors=len;
 417         o.parm.setPalette->palette = p;
 418         m_rc->submit(o);
 419 }
 420
 421 void gPainter::setPalette(gPixmap *source)
 422 {
 423         ASSERT(source);
 424         setPalette(source->surface->clut.data, source->surface->clut.start, source->surface->clut.colors);
 425 }
 426
 427 void gPainter::mergePalette(gPixmap *target)
 428 {
 429         if ( m_dc->islocked() )
 430                 return;
 431         gOpcode o;
 432         o.opcode = gOpcode::mergePalette;
 433         o.dc = m_dc.grabRef();
 434         target->AddRef();
 435         o.parm.mergePalette = new gOpcode::para::pmergePalette;
 436         o.parm.mergePalette->target = target;
 437         m_rc->submit(o);
 438 }
 439
 440 void gPainter::line(ePoint start, ePoint end)
 441 {
 442         if ( m_dc->islocked() )
 443                 return;
 444         gOpcode o;
 445         o.opcode=gOpcode::line;
 446         o.dc = m_dc.grabRef();
 447         o.parm.line = new gOpcode::para::pline;
 448         o.parm.line->start = start;
 449         o.parm.line->end = end;
 450         m_rc->submit(o);
 451 }
 452
 453 void gPainter::setOffset(ePoint val)
 454 {
 455         if ( m_dc->islocked() )
 456                 return;
 457         gOpcode o;
 458         o.opcode=gOpcode::setOffset;
 459         o.dc = m_dc.grabRef();
 460         o.parm.setOffset = new gOpcode::para::psetOffset;
 461         o.parm.setOffset->rel = 0;
 462         o.parm.setOffset->value = val;
 463         m_rc->submit(o);
 464 }
 465
 466 void gPainter::moveOffset(ePoint rel)
 467 {
 468         if ( m_dc->islocked() )
 469                 return;
 470         gOpcode o;
 471         o.opcode=gOpcode::setOffset;
 472         o.dc = m_dc.grabRef();
 473         o.parm.setOffset = new gOpcode::para::psetOffset;
 474         o.parm.setOffset->rel = 1;
 475         o.parm.setOffset->value = rel;
 476         m_rc->submit(o);
 477 }
 478
 479 void gPainter::resetOffset()
 480 {
 481         if ( m_dc->islocked() )
 482                 return;
 483         gOpcode o;
 484         o.opcode=gOpcode::setOffset;
 485         o.dc = m_dc.grabRef();
 486         o.parm.setOffset = new gOpcode::para::psetOffset;
 487         o.parm.setOffset->rel = 0;
 488         o.parm.setOffset->value = ePoint(0, 0);
 489         m_rc->submit(o);
 490 }
 491
 492 void gPainter::resetClip(const gRegion &region)
 493 {
 494         if ( m_dc->islocked() )
 495                 return;
 496         gOpcode o;
 497         o.opcode = gOpcode::setClip;
 498         o.dc = m_dc.grabRef();
 499         o.parm.clip = new gOpcode::para::psetClip;
 500         o.parm.clip->region = region;
 501         m_rc->submit(o);
 502 }
 503
 504 void gPainter::clip(const gRegion &region)
 505 {
 506         if ( m_dc->islocked() )
 507                 return;
 508         gOpcode o;
 509         o.opcode = gOpcode::addClip;
 510         o.dc = m_dc.grabRef();
 511         o.parm.clip = new gOpcode::para::psetClip;
 512         o.parm.clip->region = region;
 513         m_rc->submit(o);
 514 }
 515
 516 void gPainter::clippop()
 517 {
 518         if ( m_dc->islocked() )
 519                 return;
 520         gOpcode o;
 521         o.opcode = gOpcode::popClip;
 522         o.dc = m_dc.grabRef();
 523         m_rc->submit(o);
 524 }
 525
 526 void gPainter::waitVSync()
 527 {
 528         if ( m_dc->islocked() )
 529                 return;
 530         gOpcode o;
 531         o.opcode = gOpcode::waitVSync;
 532         o.dc = m_dc.grabRef();
 533         m_rc->submit(o);
 534 }
 535
 536 void gPainter::flip()
 537 {
 538         if ( m_dc->islocked() )
 539                 return;
 540         gOpcode o;
 541         o.opcode = gOpcode::flip;
 542         o.dc = m_dc.grabRef();
 543         m_rc->submit(o);
 544 }
 545
 546 void gPainter::notify()
 547 {
 548         if ( m_dc->islocked() )
 549                 return;
 550         gOpcode o;
 551         o.opcode = gOpcode::notify;
 552         o.dc = m_dc.grabRef();
 553         m_rc->submit(o);
 554 }
 555
 556 void gPainter::end()
 557 {
 558         if ( m_dc->islocked() )
 559                 return;
 560         gOpcode o;
 561         o.opcode = gOpcode::flush;
 562         o.dc = m_dc.grabRef();
 563         m_rc->submit(o);
 564 }
 565
 566 gDC::gDC()
 567 {
 568         m_spinner_pic = 0;
 569 }
 570
 571 gDC::gDC(gPixmap *pixmap): m_pixmap(pixmap)
 572 {
 573         m_spinner_pic = 0;
 574 }
 575
 576 gDC::~gDC()
 577 {
 578         delete[] m_spinner_pic;
 579 }
 580
 581 void gDC::exec(gOpcode *o)
 582 {
 583         switch (o->opcode)
 584         {
 585         case gOpcode::setBackgroundColor:
 586                 m_background_color = o->parm.setColor->color;
 587                 m_background_color_rgb = getRGB(m_background_color);
 588                 delete o->parm.setColor;
 589                 break;
 590         case gOpcode::setForegroundColor:
 591                 m_foreground_color = o->parm.setColor->color;
 592                 m_background_color_rgb = getRGB(m_foreground_color);
 593                 delete o->parm.setColor;
 594                 break;
 595         case gOpcode::setBackgroundColorRGB:
 596                 if (m_pixmap->needClut())
 597                         m_background_color = m_pixmap->surface->clut.findColor(o->parm.setColorRGB->color);
 598                 m_background_color_rgb = o->parm.setColorRGB->color;
 599                 delete o->parm.setColorRGB;
 600                 break;
 601         case gOpcode::setForegroundColorRGB:
 602                 if (m_pixmap->needClut())
 603                         m_foreground_color = m_pixmap->surface->clut.findColor(o->parm.setColorRGB->color);
 604                 m_foreground_color_rgb = o->parm.setColorRGB->color;
 605                 delete o->parm.setColorRGB;
 606                 break;
 607         case gOpcode::setFont:
 608                 m_current_font = o->parm.setFont->font;
 609                 o->parm.setFont->font->Release();
 610                 delete o->parm.setFont;
 611                 break;
 612         case gOpcode::renderText:
 613         {
 614                 ePtr<eTextPara> para = new eTextPara(o->parm.renderText->area);
 615                 int flags = o->parm.renderText->flags;
 616                 assert(m_current_font);
 617                 para->setFont(m_current_font);
 618                 para->renderString(o->parm.renderText->text, (flags & gPainter::RT_WRAP) ? RS_WRAP : 0);
 619                 if (o->parm.renderText->text)
 620                         free(o->parm.renderText->text);
 621                 if (flags & gPainter::RT_HALIGN_RIGHT)
 622                         para->realign(eTextPara::dirRight);
 623                 else if (flags & gPainter::RT_HALIGN_CENTER)
 624                         para->realign(eTextPara::dirCenter);
 625                 else if (flags & gPainter::RT_HALIGN_BLOCK)
 626                         para->realign(eTextPara::dirBlock);
 627
 628                 ePoint offset = m_current_offset;
 629
 630                 if (o->parm.renderText->flags & gPainter::RT_VALIGN_CENTER)
 631                 {
 632                         eRect bbox = para->getBoundBox();
 633                         int vcentered_top = o->parm.renderText->area.top() + ((o->parm.renderText->area.height() - bbox.height()) / 2);
 634                         int correction = vcentered_top - bbox.top();
 635                         offset += ePoint(0, correction);
 636                 }
 637
 638                 para->blit(*this, offset, m_background_color_rgb, m_foreground_color_rgb);
 639                 delete o->parm.renderText;
 640                 break;
 641         }
 642         case gOpcode::renderPara:
 643         {
 644                 o->parm.renderPara->textpara->blit(*this, o->parm.renderPara->offset + m_current_offset, m_background_color_rgb, m_foreground_color_rgb);
 645                 o->parm.renderPara->textpara->Release();
 646                 delete o->parm.renderPara;
 647                 break;
 648         }
 649         case gOpcode::fill:
 650         {
 651                 eRect area = o->parm.fill->area;
 652                 area.moveBy(m_current_offset);
 653                 gRegion clip = m_current_clip & area;
 654                 if (m_pixmap->needClut())
 655                         m_pixmap->fill(clip, m_foreground_color);
 656                 else
 657                         m_pixmap->fill(clip, m_foreground_color_rgb);
 658                 delete o->parm.fill;
 659                 break;
 660         }
 661         case gOpcode::fillRegion:
 662         {
 663                 o->parm.fillRegion->region.moveBy(m_current_offset);
 664                 gRegion clip = m_current_clip & o->parm.fillRegion->region;
 665                 if (m_pixmap->needClut())
 666                         m_pixmap->fill(clip, m_foreground_color);
 667                 else
 668                         m_pixmap->fill(clip, m_foreground_color_rgb);
 669                 delete o->parm.fillRegion;
 670                 break;
 671         }
 672         case gOpcode::clear:
 673                 if (m_pixmap->needClut())
 674                         m_pixmap->fill(m_current_clip, m_background_color);
 675                 else
 676                         m_pixmap->fill(m_current_clip, m_background_color_rgb);
 677                 delete o->parm.fill;
 678                 break;
 679         case gOpcode::blit:
 680         {
 681                 gRegion clip;
 682                                 // this code should be checked again but i'm too tired now
 683
 684                 o->parm.blit->position += m_current_offset;
 685
 686                 if (o->parm.blit->clip.valid())
 687                 {
 688                         o->parm.blit->clip.moveBy(m_current_offset);
 689                         clip.intersect(gRegion(o->parm.blit->clip), m_current_clip);
 690                 } else
 691                         clip = m_current_clip;
 692
 693                 m_pixmap->blit(*o->parm.blit->pixmap, o->parm.blit->position, clip, o->parm.blit->flags);
 694                 o->parm.blit->pixmap->Release();
 695                 delete o->parm.blit;
 696                 break;
 697         }
 698         case gOpcode::setPalette:
 699                 if (o->parm.setPalette->palette->start > m_pixmap->surface->clut.colors)
 700                         o->parm.setPalette->palette->start = m_pixmap->surface->clut.colors;
 701                 if (o->parm.setPalette->palette->colors > (m_pixmap->surface->clut.colors-o->parm.setPalette->palette->start))
 702                         o->parm.setPalette->palette->colors = m_pixmap->surface->clut.colors-o->parm.setPalette->palette->start;
 703                 if (o->parm.setPalette->palette->colors)
 704                         memcpy(m_pixmap->surface->clut.data+o->parm.setPalette->palette->start, o->parm.setPalette->palette->data, o->parm.setPalette->palette->colors*sizeof(gRGB));
 705
 706                 delete[] o->parm.setPalette->palette->data;
 707                 delete o->parm.setPalette->palette;
 708                 delete o->parm.setPalette;
 709                 break;
 710         case gOpcode::mergePalette:
 711                 m_pixmap->mergePalette(*o->parm.mergePalette->target);
 712                 o->parm.mergePalette->target->Release();
 713                 delete o->parm.mergePalette;
 714                 break;
 715         case gOpcode::line:
 716         {
 717                 ePoint start = o->parm.line->start + m_current_offset, end = o->parm.line->end + m_current_offset;
 718                 m_pixmap->line(m_current_clip, start, end, m_foreground_color);
 719                 delete o->parm.line;
 720                 break;
 721         }
 722         case gOpcode::addClip:
 723                 m_clip_stack.push(m_current_clip);
 724                 o->parm.clip->region.moveBy(m_current_offset);
 725                 m_current_clip &= o->parm.clip->region;
 726                 delete o->parm.clip;
 727                 break;
 728         case gOpcode::setClip:
 729                 o->parm.clip->region.moveBy(m_current_offset);
 730                 m_current_clip = o->parm.clip->region & eRect(ePoint(0, 0), m_pixmap->size());
 731                 delete o->parm.clip;
 732                 break;
 733         case gOpcode::popClip:
 734                 if (!m_clip_stack.empty())
 735                 {
 736                         m_current_clip = m_clip_stack.top();
 737                         m_clip_stack.pop();
 738                 }
 739                 break;
 740         case gOpcode::setOffset:
 741                 if (o->parm.setOffset->rel)
 742                         m_current_offset += o->parm.setOffset->value;
 743                 else
 744                         m_current_offset  = o->parm.setOffset->value;
 745                 delete o->parm.setOffset;
 746                 break;
 747         case gOpcode::waitVSync:
 748                 break;
 749         case gOpcode::flip:
 750                 break;
 751         case gOpcode::flush:
 752                 break;
 753         case gOpcode::enableSpinner:
 754                 enableSpinner();
 755                 break;
 756         case gOpcode::disableSpinner:
 757                 disableSpinner();
 758                 break;
 759         case gOpcode::incrementSpinner:
 760                 incrementSpinner();
 761                 break;
 762         default:
 763                 eFatal("illegal opcode %d. expect memory leak!", o->opcode);
 764         }
 765 }
 766
 767 gRGB gDC::getRGB(gColor col)
 768 {
 769         if ((!m_pixmap) || (!m_pixmap->surface->clut.data))
 770                 return gRGB(col, col, col);
 771         if (col<0)
 772         {
 773                 eFatal("bla transp");
 774                 return gRGB(0, 0, 0, 0xFF);
 775         }
 776         return m_pixmap->surface->clut.data[col];
 777 }
 778
 779 void gDC::enableSpinner()
 780 {
 781         ASSERT(m_spinner_saved);
 782
 783                 /* save the background to restore it later. We need to negative position because we want to blit from the middle of the screen. */
 784         m_spinner_saved->blit(*m_pixmap, -m_spinner_pos.topLeft(), gRegion(eRect(ePoint(0, 0), m_spinner_saved->size())), 0);
 785
 786         incrementSpinner();
 787 }
 788
 789 void gDC::disableSpinner()
 790 {
 791         ASSERT(m_spinner_saved);
 792
 793                 /* restore background */
 794         m_pixmap->blit(*m_spinner_saved, m_spinner_pos.topLeft(), gRegion(m_spinner_pos), 0);
 795 }
 796
 797 void gDC::incrementSpinner()
 798 {
 799         ASSERT(m_spinner_saved);
 800
 801         static int blub;
 802         blub++;
 803
 804 #if 0
 805         int i;
 806
 807         for (i = 0; i < 5; ++i)
 808         {
 809                 int x = i * 20 + m_spinner_pos.left();
 810                 int y = m_spinner_pos.top();
 811
 812                 int col = ((blub - i) * 30) % 256;
 813
 814                 m_pixmap->fill(eRect(x, y, 10, 10), gRGB(col, col, col));
 815         }
 816 #endif
 817
 818         m_spinner_temp->blit(*m_spinner_saved, ePoint(0, 0), eRect(ePoint(0, 0), m_spinner_pos.size()));
 819
 820         if (m_spinner_pic[m_spinner_i])
 821                 m_spinner_temp->blit(*m_spinner_pic[m_spinner_i], ePoint(0, 0), eRect(ePoint(0, 0), m_spinner_pos.size()), gPixmap::blitAlphaTest);
 822
 823         m_pixmap->blit(*m_spinner_temp, m_spinner_pos.topLeft(), gRegion(m_spinner_pos), 0);
 824         m_spinner_i++;
 825         m_spinner_i %= m_spinner_num;
 826 }
 827
 828 void gDC::setSpinner(eRect pos, ePtr<gPixmap> *pic, int len)
 829 {
 830         ASSERT(m_pixmap);
 831         ASSERT(m_pixmap->surface);
 832         m_spinner_saved = new gPixmap(pos.size(), m_pixmap->surface->bpp);
 833         m_spinner_temp = new gPixmap(pos.size(), m_pixmap->surface->bpp);
 834         m_spinner_pos = pos;
 835
 836         m_spinner_i = 0;
 837         m_spinner_num = len;
 838
 839         int i;
 840         if (m_spinner_pic)
 841                 delete[] m_spinner_pic;
 842
 843         m_spinner_pic = new ePtr<gPixmap>[len];
 844
 845         for (i = 0; i < len; ++i)
 846                 m_spinner_pic[i] = pic[i];
 847 }
 848
 849 DEFINE_REF(gDC);
 850
 851 eAutoInitPtr<gRC> init_grc(eAutoInitNumbers::graphic, "gRC");