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 if (o.opcode==gOpcode::setCompositing)
 123                         {
 124                                 m_compositing = o.parm.setCompositing;
 125                                 m_compositing->Release();
 126                         } else if(o.dc)
 127                         {
 128                                 o.dc->exec(&o);
 129                                 // o.dc is a gDC* filled with grabref... so we must release it here
 130                                 o.dc->Release();
 131                         }
 132                 }
 133                 else
 134                 {
 135                         if (need_notify)
 136                         {
 137                                 need_notify = 0;
 138                                 m_notify_pump.send(1);
 139                         }
 140 #ifndef SYNC_PAINT
 141                         while(rp == wp)
 142                         {
 143
 144                                         /* when the main thread is non-idle for a too long time without any display output,
 145                                            we want to display a spinner. */
 146                                 struct timespec timeout;
 147                                 clock_gettime(CLOCK_REALTIME, &timeout);
 148
 149                                 if (m_spinner_enabled)
 150                                 {
 151                                         timeout.tv_nsec += 100*1000*1000;
 152                                         /* yes, this is required. */
 153                                         if (timeout.tv_nsec > 1000*1000*1000)
 154                                         {
 155                                                 timeout.tv_nsec -= 1000*1000*1000;
 156                                                 timeout.tv_sec++;
 157                                         }
 158                                 }
 159                                 else
 160                                         timeout.tv_sec += 2;
 161
 162                                 int idle = 1;
 163
 164                                 if (pthread_cond_timedwait(&cond, &mutex, &timeout) == ETIMEDOUT)
 165                                 {
 166                                         if (eApp && !eApp->isIdle())
 167                                         {
 168                                                 int idle_count = eApp->idleCount();
 169                                                 if (idle_count == m_prev_idle_count)
 170                                                         idle = 0;
 171                                                 else
 172                                                         m_prev_idle_count = idle_count;
 173                                         }
 174                                 }
 175
 176                                 if (!idle)
 177                                 {
 178                                         if (!m_spinner_enabled)
 179                                                 eDebug("main thread is non-idle! display spinner!");
 180                                         enableSpinner();
 181                                 } else
 182                                         disableSpinner();
 183                         }
 184                         pthread_mutex_unlock(&mutex);
 185 #endif
 186                 }
 187         }
 188 #ifndef SYNC_PAINT
 189         pthread_exit(0);
 190 #endif
 191         return 0;
 192 }
 193
 194 void gRC::recv_notify(const int &i)
 195 {
 196         notify();
 197 }
 198
 199 gRC *gRC::getInstance()
 200 {
 201         return instance;
 202 }
 203
 204 void gRC::enableSpinner()
 205 {
 206         if (!m_spinner_dc)
 207         {
 208                 eDebug("no spinner DC!");
 209                 return;
 210         }
 211
 212         gOpcode o;
 213         o.opcode = m_spinner_enabled ? gOpcode::incrementSpinner : gOpcode::enableSpinner;
 214         m_spinner_dc->exec(&o);
 215         m_spinner_enabled = 1;
 216         o.opcode = gOpcode::flush;
 217         m_spinner_dc->exec(&o);
 218 }
 219
 220 void gRC::disableSpinner()
 221 {
 222         if (!m_spinner_enabled)
 223                 return;
 224
 225         if (!m_spinner_dc)
 226         {
 227                 eDebug("no spinner DC!");
 228                 return;
 229         }
 230
 231         m_spinner_enabled = 0;
 232
 233         gOpcode o;
 234         o.opcode = gOpcode::disableSpinner;
 235         m_spinner_dc->exec(&o);
 236         o.opcode = gOpcode::flush;
 237         m_spinner_dc->exec(&o);
 238 }
 239
 240 static int gPainter_instances;
 241
 242 gPainter::gPainter(gDC *dc, eRect rect): m_dc(dc), m_rc(gRC::getInstance())
 243 {
 244 //      ASSERT(!gPainter_instances);
 245         gPainter_instances++;
 246 //      begin(rect);
 247 }
 248
 249 gPainter::~gPainter()
 250 {
 251         end();
 252         gPainter_instances--;
 253 }
 254
 255 void gPainter::setBackgroundColor(const gColor &color)
 256 {
 257         if ( m_dc->islocked() )
 258                 return;
 259         gOpcode o;
 260         o.opcode = gOpcode::setBackgroundColor;
 261         o.dc = m_dc.grabRef();
 262         o.parm.setColor = new gOpcode::para::psetColor;
 263         o.parm.setColor->color = color;
 264
 265         m_rc->submit(o);
 266 }
 267
 268 void gPainter::setForegroundColor(const gColor &color)
 269 {
 270         if ( m_dc->islocked() )
 271                 return;
 272         gOpcode o;
 273         o.opcode = gOpcode::setForegroundColor;
 274         o.dc = m_dc.grabRef();
 275         o.parm.setColor = new gOpcode::para::psetColor;
 276         o.parm.setColor->color = color;
 277
 278         m_rc->submit(o);
 279 }
 280
 281 void gPainter::setBackgroundColor(const gRGB &color)
 282 {
 283         if ( m_dc->islocked() )
 284                 return;
 285         gOpcode o;
 286         o.opcode = gOpcode::setBackgroundColorRGB;
 287         o.dc = m_dc.grabRef();
 288         o.parm.setColorRGB = new gOpcode::para::psetColorRGB;
 289         o.parm.setColorRGB->color = color;
 290
 291         m_rc->submit(o);
 292 }
 293
 294 void gPainter::setForegroundColor(const gRGB &color)
 295 {
 296         if ( m_dc->islocked() )
 297                 return;
 298         gOpcode o;
 299         o.opcode = gOpcode::setForegroundColorRGB;
 300         o.dc = m_dc.grabRef();
 301         o.parm.setColorRGB = new gOpcode::para::psetColorRGB;
 302         o.parm.setColorRGB->color = color;
 303
 304         m_rc->submit(o);
 305 }
 306
 307 void gPainter::setFont(gFont *font)
 308 {
 309         if ( m_dc->islocked() )
 310                 return;
 311         gOpcode o;
 312         o.opcode = gOpcode::setFont;
 313         o.dc = m_dc.grabRef();
 314         font->AddRef();
 315         o.parm.setFont = new gOpcode::para::psetFont;
 316         o.parm.setFont->font = font;
 317
 318         m_rc->submit(o);
 319 }
 320
 321 void gPainter::renderText(const eRect &pos, const std::string &string, int flags)
 322 {
 323         if ( m_dc->islocked() )
 324                 return;
 325         gOpcode o;
 326         o.opcode=gOpcode::renderText;
 327         o.dc = m_dc.grabRef();
 328         o.parm.renderText = new gOpcode::para::prenderText;
 329         o.parm.renderText->area = pos;
 330         o.parm.renderText->text = string.empty()?0:strdup(string.c_str());
 331         o.parm.renderText->flags = flags;
 332         m_rc->submit(o);
 333 }
 334
 335 void gPainter::renderPara(eTextPara *para, ePoint offset)
 336 {
 337         if ( m_dc->islocked() )
 338                 return;
 339         ASSERT(para);
 340         gOpcode o;
 341         o.opcode=gOpcode::renderPara;
 342         o.dc = m_dc.grabRef();
 343         o.parm.renderPara = new gOpcode::para::prenderPara;
 344         o.parm.renderPara->offset = offset;
 345
 346         para->AddRef();
 347         o.parm.renderPara->textpara = para;
 348         m_rc->submit(o);
 349 }
 350
 351 void gPainter::fill(const eRect &area)
 352 {
 353         if ( m_dc->islocked() )
 354                 return;
 355         gOpcode o;
 356         o.opcode=gOpcode::fill;
 357
 358         o.dc = m_dc.grabRef();
 359         o.parm.fill = new gOpcode::para::pfillRect;
 360         o.parm.fill->area = area;
 361         m_rc->submit(o);
 362 }
 363
 364 void gPainter::fill(const gRegion &region)
 365 {
 366         if ( m_dc->islocked() )
 367                 return;
 368         gOpcode o;
 369         o.opcode=gOpcode::fillRegion;
 370
 371         o.dc = m_dc.grabRef();
 372         o.parm.fillRegion = new gOpcode::para::pfillRegion;
 373         o.parm.fillRegion->region = region;
 374         m_rc->submit(o);
 375 }
 376
 377 void gPainter::clear()
 378 {
 379         if ( m_dc->islocked() )
 380                 return;
 381         gOpcode o;
 382         o.opcode=gOpcode::clear;
 383         o.dc = m_dc.grabRef();
 384         o.parm.fill = new gOpcode::para::pfillRect;
 385         o.parm.fill->area = eRect();
 386         m_rc->submit(o);
 387 }
 388
 389 void gPainter::blit(gPixmap *pixmap, ePoint pos, const eRect &clip, int flags)
 390 {
 391         blitScale(pixmap, eRect(pos, eSize()), clip, flags, 0);
 392 }
 393
 394 void gPainter::blitScale(gPixmap *pixmap, const eRect &position, const eRect &clip, int flags, int aflags)
 395 {
 396         flags |= aflags;
 397
 398         if ( m_dc->islocked() )
 399                 return;
 400         gOpcode o;
 401
 402         ASSERT(pixmap);
 403
 404         o.opcode=gOpcode::blit;
 405         o.dc = m_dc.grabRef();
 406         pixmap->AddRef();
 407         o.parm.blit  = new gOpcode::para::pblit;
 408         o.parm.blit->pixmap = pixmap;
 409         o.parm.blit->clip = clip;
 410         o.parm.blit->flags = flags;
 411         o.parm.blit->position = position;
 412         m_rc->submit(o);
 413 }
 414
 415 void gPainter::setPalette(gRGB *colors, int start, int len)
 416 {
 417         if ( m_dc->islocked() )
 418                 return;
 419         ASSERT(colors);
 420         gOpcode o;
 421         o.opcode=gOpcode::setPalette;
 422         o.dc = m_dc.grabRef();
 423         gPalette *p=new gPalette;
 424
 425         o.parm.setPalette = new gOpcode::para::psetPalette;
 426         p->data=new gRGB[len];
 427
 428         memcpy(p->data, colors, len*sizeof(gRGB));
 429         p->start=start;
 430         p->colors=len;
 431         o.parm.setPalette->palette = p;
 432         m_rc->submit(o);
 433 }
 434
 435 void gPainter::setPalette(gPixmap *source)
 436 {
 437         ASSERT(source);
 438         setPalette(source->surface->clut.data, source->surface->clut.start, source->surface->clut.colors);
 439 }
 440
 441 void gPainter::mergePalette(gPixmap *target)
 442 {
 443         if ( m_dc->islocked() )
 444                 return;
 445         ASSERT(target);
 446         gOpcode o;
 447         o.opcode = gOpcode::mergePalette;
 448         o.dc = m_dc.grabRef();
 449         target->AddRef();
 450         o.parm.mergePalette = new gOpcode::para::pmergePalette;
 451         o.parm.mergePalette->target = target;
 452         m_rc->submit(o);
 453 }
 454
 455 void gPainter::line(ePoint start, ePoint end)
 456 {
 457         if ( m_dc->islocked() )
 458                 return;
 459         gOpcode o;
 460         o.opcode=gOpcode::line;
 461         o.dc = m_dc.grabRef();
 462         o.parm.line = new gOpcode::para::pline;
 463         o.parm.line->start = start;
 464         o.parm.line->end = end;
 465         m_rc->submit(o);
 466 }
 467
 468 void gPainter::setOffset(ePoint val)
 469 {
 470         if ( m_dc->islocked() )
 471                 return;
 472         gOpcode o;
 473         o.opcode=gOpcode::setOffset;
 474         o.dc = m_dc.grabRef();
 475         o.parm.setOffset = new gOpcode::para::psetOffset;
 476         o.parm.setOffset->rel = 0;
 477         o.parm.setOffset->value = val;
 478         m_rc->submit(o);
 479 }
 480
 481 void gPainter::moveOffset(ePoint rel)
 482 {
 483         if ( m_dc->islocked() )
 484                 return;
 485         gOpcode o;
 486         o.opcode=gOpcode::setOffset;
 487         o.dc = m_dc.grabRef();
 488         o.parm.setOffset = new gOpcode::para::psetOffset;
 489         o.parm.setOffset->rel = 1;
 490         o.parm.setOffset->value = rel;
 491         m_rc->submit(o);
 492 }
 493
 494 void gPainter::resetOffset()
 495 {
 496         if ( m_dc->islocked() )
 497                 return;
 498         gOpcode o;
 499         o.opcode=gOpcode::setOffset;
 500         o.dc = m_dc.grabRef();
 501         o.parm.setOffset = new gOpcode::para::psetOffset;
 502         o.parm.setOffset->rel = 0;
 503         o.parm.setOffset->value = ePoint(0, 0);
 504         m_rc->submit(o);
 505 }
 506
 507 void gPainter::resetClip(const gRegion &region)
 508 {
 509         if ( m_dc->islocked() )
 510                 return;
 511         gOpcode o;
 512         o.opcode = gOpcode::setClip;
 513         o.dc = m_dc.grabRef();
 514         o.parm.clip = new gOpcode::para::psetClip;
 515         o.parm.clip->region = region;
 516         m_rc->submit(o);
 517 }
 518
 519 void gPainter::clip(const gRegion &region)
 520 {
 521         if ( m_dc->islocked() )
 522                 return;
 523         gOpcode o;
 524         o.opcode = gOpcode::addClip;
 525         o.dc = m_dc.grabRef();
 526         o.parm.clip = new gOpcode::para::psetClip;
 527         o.parm.clip->region = region;
 528         m_rc->submit(o);
 529 }
 530
 531 void gPainter::clippop()
 532 {
 533         if ( m_dc->islocked() )
 534                 return;
 535         gOpcode o;
 536         o.opcode = gOpcode::popClip;
 537         o.dc = m_dc.grabRef();
 538         m_rc->submit(o);
 539 }
 540
 541 void gPainter::waitVSync()
 542 {
 543         if ( m_dc->islocked() )
 544                 return;
 545         gOpcode o;
 546         o.opcode = gOpcode::waitVSync;
 547         o.dc = m_dc.grabRef();
 548         m_rc->submit(o);
 549 }
 550
 551 void gPainter::flip()
 552 {
 553         if ( m_dc->islocked() )
 554                 return;
 555         gOpcode o;
 556         o.opcode = gOpcode::flip;
 557         o.dc = m_dc.grabRef();
 558         m_rc->submit(o);
 559 }
 560
 561 void gPainter::notify()
 562 {
 563         if ( m_dc->islocked() )
 564                 return;
 565         gOpcode o;
 566         o.opcode = gOpcode::notify;
 567         o.dc = m_dc.grabRef();
 568         m_rc->submit(o);
 569 }
 570
 571 void gPainter::setCompositing(gCompositingData *comp)
 572 {
 573         gOpcode o;
 574         o.opcode = gOpcode::setCompositing;
 575         o.dc = 0;
 576         o.parm.setCompositing = comp;
 577         comp->AddRef(); /* will be freed in ::thread */
 578         m_rc->submit(o);
 579 }
 580
 581 void gPainter::flush()
 582 {
 583         if ( m_dc->islocked() )
 584                 return;
 585         gOpcode o;
 586         o.opcode = gOpcode::flush;
 587         o.dc = m_dc.grabRef();
 588         m_rc->submit(o);
 589 }
 590
 591 void gPainter::end()
 592 {
 593         if ( m_dc->islocked() )
 594                 return;
 595 }
 596
 597 gDC::gDC()
 598 {
 599         m_spinner_pic = 0;
 600 }
 601
 602 gDC::gDC(gPixmap *pixmap): m_pixmap(pixmap)
 603 {
 604         m_spinner_pic = 0;
 605 }
 606
 607 gDC::~gDC()
 608 {
 609         delete[] m_spinner_pic;
 610 }
 611
 612 void gDC::exec(gOpcode *o)
 613 {
 614         switch (o->opcode)
 615         {
 616         case gOpcode::setBackgroundColor:
 617                 m_background_color = o->parm.setColor->color;
 618                 m_background_color_rgb = getRGB(m_background_color);
 619                 delete o->parm.setColor;
 620                 break;
 621         case gOpcode::setForegroundColor:
 622                 m_foreground_color = o->parm.setColor->color;
 623                 m_background_color_rgb = getRGB(m_foreground_color);
 624                 delete o->parm.setColor;
 625                 break;
 626         case gOpcode::setBackgroundColorRGB:
 627                 if (m_pixmap->needClut())
 628                         m_background_color = m_pixmap->surface->clut.findColor(o->parm.setColorRGB->color);
 629                 m_background_color_rgb = o->parm.setColorRGB->color;
 630                 delete o->parm.setColorRGB;
 631                 break;
 632         case gOpcode::setForegroundColorRGB:
 633                 if (m_pixmap->needClut())
 634                         m_foreground_color = m_pixmap->surface->clut.findColor(o->parm.setColorRGB->color);
 635                 m_foreground_color_rgb = o->parm.setColorRGB->color;
 636                 delete o->parm.setColorRGB;
 637                 break;
 638         case gOpcode::setFont:
 639                 m_current_font = o->parm.setFont->font;
 640                 o->parm.setFont->font->Release();
 641                 delete o->parm.setFont;
 642                 break;
 643         case gOpcode::renderText:
 644         {
 645                 ePtr<eTextPara> para = new eTextPara(o->parm.renderText->area);
 646                 int flags = o->parm.renderText->flags;
 647                 ASSERT(m_current_font);
 648                 para->setFont(m_current_font);
 649                 para->renderString(o->parm.renderText->text, (flags & gPainter::RT_WRAP) ? RS_WRAP : 0);
 650                 if (o->parm.renderText->text)
 651                         free(o->parm.renderText->text);
 652                 if (flags & gPainter::RT_HALIGN_RIGHT)
 653                         para->realign(eTextPara::dirRight);
 654                 else if (flags & gPainter::RT_HALIGN_CENTER)
 655                         para->realign(eTextPara::dirCenter);
 656                 else if (flags & gPainter::RT_HALIGN_BLOCK)
 657                         para->realign(eTextPara::dirBlock);
 658
 659                 ePoint offset = m_current_offset;
 660
 661                 if (o->parm.renderText->flags & gPainter::RT_VALIGN_CENTER)
 662                 {
 663                         eRect bbox = para->getBoundBox();
 664                         int vcentered_top = o->parm.renderText->area.top() + ((o->parm.renderText->area.height() - bbox.height()) / 2);
 665                         int correction = vcentered_top - bbox.top();
 666                         offset += ePoint(0, correction);
 667                 }
 668
 669                 para->blit(*this, offset, m_background_color_rgb, m_foreground_color_rgb);
 670                 delete o->parm.renderText;
 671                 break;
 672         }
 673         case gOpcode::renderPara:
 674         {
 675                 o->parm.renderPara->textpara->blit(*this, o->parm.renderPara->offset + m_current_offset, m_background_color_rgb, m_foreground_color_rgb);
 676                 o->parm.renderPara->textpara->Release();
 677                 delete o->parm.renderPara;
 678                 break;
 679         }
 680         case gOpcode::fill:
 681         {
 682                 eRect area = o->parm.fill->area;
 683                 area.moveBy(m_current_offset);
 684                 gRegion clip = m_current_clip & area;
 685                 if (m_pixmap->needClut())
 686                         m_pixmap->fill(clip, m_foreground_color);
 687                 else
 688                         m_pixmap->fill(clip, m_foreground_color_rgb);
 689                 delete o->parm.fill;
 690                 break;
 691         }
 692         case gOpcode::fillRegion:
 693         {
 694                 o->parm.fillRegion->region.moveBy(m_current_offset);
 695                 gRegion clip = m_current_clip & o->parm.fillRegion->region;
 696                 if (m_pixmap->needClut())
 697                         m_pixmap->fill(clip, m_foreground_color);
 698                 else
 699                         m_pixmap->fill(clip, m_foreground_color_rgb);
 700                 delete o->parm.fillRegion;
 701                 break;
 702         }
 703         case gOpcode::clear:
 704                 if (m_pixmap->needClut())
 705                         m_pixmap->fill(m_current_clip, m_background_color);
 706                 else
 707                         m_pixmap->fill(m_current_clip, m_background_color_rgb);
 708                 delete o->parm.fill;
 709                 break;
 710         case gOpcode::blit:
 711         {
 712                 gRegion clip;
 713                                 // this code should be checked again but i'm too tired now
 714
 715                 o->parm.blit->position.moveBy(m_current_offset);
 716
 717                 if (o->parm.blit->clip.valid())
 718                 {
 719                         o->parm.blit->clip.moveBy(m_current_offset);
 720                         clip.intersect(gRegion(o->parm.blit->clip), m_current_clip);
 721                 } else
 722                         clip = m_current_clip;
 723
 724                 m_pixmap->blit(*o->parm.blit->pixmap, o->parm.blit->position, clip, o->parm.blit->flags);
 725                 o->parm.blit->pixmap->Release();
 726                 delete o->parm.blit;
 727                 break;
 728         }
 729         case gOpcode::setPalette:
 730                 if (o->parm.setPalette->palette->start > m_pixmap->surface->clut.colors)
 731                         o->parm.setPalette->palette->start = m_pixmap->surface->clut.colors;
 732                 if (o->parm.setPalette->palette->colors > (m_pixmap->surface->clut.colors-o->parm.setPalette->palette->start))
 733                         o->parm.setPalette->palette->colors = m_pixmap->surface->clut.colors-o->parm.setPalette->palette->start;
 734                 if (o->parm.setPalette->palette->colors)
 735                         memcpy(m_pixmap->surface->clut.data+o->parm.setPalette->palette->start, o->parm.setPalette->palette->data, o->parm.setPalette->palette->colors*sizeof(gRGB));
 736
 737                 delete[] o->parm.setPalette->palette->data;
 738                 delete o->parm.setPalette->palette;
 739                 delete o->parm.setPalette;
 740                 break;
 741         case gOpcode::mergePalette:
 742                 m_pixmap->mergePalette(*o->parm.mergePalette->target);
 743                 o->parm.mergePalette->target->Release();
 744                 delete o->parm.mergePalette;
 745                 break;
 746         case gOpcode::line:
 747         {
 748                 ePoint start = o->parm.line->start + m_current_offset, end = o->parm.line->end + m_current_offset;
 749                 m_pixmap->line(m_current_clip, start, end, m_foreground_color);
 750                 delete o->parm.line;
 751                 break;
 752         }
 753         case gOpcode::addClip:
 754                 m_clip_stack.push(m_current_clip);
 755                 o->parm.clip->region.moveBy(m_current_offset);
 756                 m_current_clip &= o->parm.clip->region;
 757                 delete o->parm.clip;
 758                 break;
 759         case gOpcode::setClip:
 760                 o->parm.clip->region.moveBy(m_current_offset);
 761                 m_current_clip = o->parm.clip->region & eRect(ePoint(0, 0), m_pixmap->size());
 762                 delete o->parm.clip;
 763                 break;
 764         case gOpcode::popClip:
 765                 if (!m_clip_stack.empty())
 766                 {
 767                         m_current_clip = m_clip_stack.top();
 768                         m_clip_stack.pop();
 769                 }
 770                 break;
 771         case gOpcode::setOffset:
 772                 if (o->parm.setOffset->rel)
 773                         m_current_offset += o->parm.setOffset->value;
 774                 else
 775                         m_current_offset  = o->parm.setOffset->value;
 776                 delete o->parm.setOffset;
 777                 break;
 778         case gOpcode::waitVSync:
 779                 break;
 780         case gOpcode::flip:
 781                 break;
 782         case gOpcode::flush:
 783                 break;
 784         case gOpcode::enableSpinner:
 785                 enableSpinner();
 786                 break;
 787         case gOpcode::disableSpinner:
 788                 disableSpinner();
 789                 break;
 790         case gOpcode::incrementSpinner:
 791                 incrementSpinner();
 792                 break;
 793         default:
 794                 eFatal("illegal opcode %d. expect memory leak!", o->opcode);
 795         }
 796 }
 797
 798 gRGB gDC::getRGB(gColor col)
 799 {
 800         if ((!m_pixmap) || (!m_pixmap->surface->clut.data))
 801                 return gRGB(col, col, col);
 802         if (col<0)
 803         {
 804                 eFatal("bla transp");
 805                 return gRGB(0, 0, 0, 0xFF);
 806         }
 807         return m_pixmap->surface->clut.data[col];
 808 }
 809
 810 void gDC::enableSpinner()
 811 {
 812         ASSERT(m_spinner_saved);
 813
 814                 /* save the background to restore it later. We need to negative position because we want to blit from the middle of the screen. */
 815         m_spinner_saved->blit(*m_pixmap, eRect(-m_spinner_pos.topLeft(), eSize()), gRegion(eRect(ePoint(0, 0), m_spinner_saved->size())), 0);
 816
 817         incrementSpinner();
 818 }
 819
 820 void gDC::disableSpinner()
 821 {
 822         ASSERT(m_spinner_saved);
 823
 824                 /* restore background */
 825         m_pixmap->blit(*m_spinner_saved, eRect(m_spinner_pos.topLeft(), eSize()), gRegion(m_spinner_pos), 0);
 826 }
 827
 828 void gDC::incrementSpinner()
 829 {
 830         ASSERT(m_spinner_saved);
 831
 832         static int blub;
 833         blub++;
 834
 835 #if 0
 836         int i;
 837
 838         for (i = 0; i < 5; ++i)
 839         {
 840                 int x = i * 20 + m_spinner_pos.left();
 841                 int y = m_spinner_pos.top();
 842
 843                 int col = ((blub - i) * 30) % 256;
 844
 845                 m_pixmap->fill(eRect(x, y, 10, 10), gRGB(col, col, col));
 846         }
 847 #endif
 848
 849         m_spinner_temp->blit(*m_spinner_saved, eRect(0, 0, 0, 0), eRect(ePoint(0, 0), m_spinner_pos.size()));
 850
 851         if (m_spinner_pic[m_spinner_i])
 852                 m_spinner_temp->blit(*m_spinner_pic[m_spinner_i], eRect(0, 0, 0, 0), eRect(ePoint(0, 0), m_spinner_pos.size()), gPixmap::blitAlphaTest);
 853
 854         m_pixmap->blit(*m_spinner_temp, eRect(m_spinner_pos.topLeft(), eSize()), gRegion(m_spinner_pos), 0);
 855         m_spinner_i++;
 856         m_spinner_i %= m_spinner_num;
 857 }
 858
 859 void gDC::setSpinner(eRect pos, ePtr<gPixmap> *pic, int len)
 860 {
 861         ASSERT(m_pixmap);
 862         ASSERT(m_pixmap->surface);
 863         m_spinner_saved = new gPixmap(pos.size(), m_pixmap->surface->bpp);
 864         m_spinner_temp = new gPixmap(pos.size(), m_pixmap->surface->bpp);
 865         m_spinner_pos = pos;
 866
 867         m_spinner_i = 0;
 868         m_spinner_num = len;
 869
 870         int i;
 871         if (m_spinner_pic)
 872                 delete[] m_spinner_pic;
 873
 874         m_spinner_pic = new ePtr<gPixmap>[len];
 875
 876         for (i = 0; i < len; ++i)
 877                 m_spinner_pic[i] = pic[i];
 878 }
 879
 880 DEFINE_REF(gDC);
 881
 882 eAutoInitPtr<gRC> init_grc(eAutoInitNumbers::graphic, "gRC");