Skip to content
This repository

HTTPS clone URL

Subversion checkout URL

You can clone with HTTPS or Subversion.

Download ZIP
Fetching contributors…

Cannot retrieve contributors at this time

file 1060 lines (928 sloc) 32.074 kb
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060
/*
* Copyright (C) 2005-2008 Team XBMC
* http://www.xbmc.org
*
* This Program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This Program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with XBMC; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
* http://www.gnu.org/copyleft/gpl.html
*
*/

#include "threads/SystemClock.h"
#include "system.h"
#include "GUIWindowSlideShow.h"
#include "Application.h"
#include "ApplicationMessenger.h"
#include "utils/URIUtils.h"
#include "URL.h"
#include "guilib/TextureManager.h"
#include "guilib/GUILabelControl.h"
#include "GUIInfoManager.h"
#include "filesystem/Directory.h"
#include "GUIDialogPictureInfo.h"
#include "GUIUserMessages.h"
#include "guilib/GUIWindowManager.h"
#include "settings/Settings.h"
#include "settings/GUISettings.h"
#include "FileItem.h"
#include "guilib/Texture.h"
#include "windowing/WindowingFactory.h"
#include "guilib/Texture.h"
#include "guilib/LocalizeStrings.h"
#include "threads/SingleLock.h"
#include "utils/log.h"
#include "utils/TimeUtils.h"

using namespace XFILE;

#define MAX_ZOOM_FACTOR 10
#define MAX_PICTURE_SIZE 2048*2048

#define IMMEDIATE_TRANSISTION_TIME 20

#define PICTURE_MOVE_AMOUNT 0.02f
#define PICTURE_MOVE_AMOUNT_ANALOG 0.01f
#define PICTURE_MOVE_AMOUNT_TOUCH 0.002f
#define PICTURE_VIEW_BOX_COLOR 0xffffff00 // YELLOW
#define PICTURE_VIEW_BOX_BACKGROUND 0xff000000 // BLACK

#define ROTATION_SNAP_RANGE 10.0f

#define FPS 25

#define BAR_IMAGE 1
#define LABEL_ROW1 10
#define LABEL_ROW2 11
#define LABEL_ROW2_EXTRA 12
#define CONTROL_PAUSE 13

static float zoomamount[10] = { 1.0f, 1.2f, 1.5f, 2.0f, 2.8f, 4.0f, 6.0f, 9.0f, 13.5f, 20.0f };

CBackgroundPicLoader::CBackgroundPicLoader() : CThread("CBackgroundPicLoader")
{
  m_pCallback = NULL;
  m_isLoading = false;
}

CBackgroundPicLoader::~CBackgroundPicLoader()
{
  StopThread();
}

void CBackgroundPicLoader::Create(CGUIWindowSlideShow *pCallback)
{
  m_pCallback = pCallback;
  m_isLoading = false;
  CThread::Create(false);
}

void CBackgroundPicLoader::Process()
{
  unsigned int totalTime = 0;
  unsigned int count = 0;
  while (!m_bStop)
  { // loop around forever, waiting for the app to call LoadPic
    if (AbortableWait(m_loadPic,10) == WAIT_SIGNALED)
    {
      if (m_pCallback)
      {
        unsigned int start = XbmcThreads::SystemClockMillis();
        CBaseTexture* texture = new CTexture();
        unsigned int originalWidth = 0;
        unsigned int originalHeight = 0;
        texture->LoadFromFile(m_strFileName, m_maxWidth, m_maxHeight, g_guiSettings.GetBool("pictures.useexifrotation"), &originalWidth, &originalHeight);
        totalTime += XbmcThreads::SystemClockMillis() - start;
        count++;
        // tell our parent
        bool bFullSize = ((int)texture->GetWidth() < m_maxWidth) && ((int)texture->GetHeight() < m_maxHeight);
        if (!bFullSize)
        {
          int iSize = texture->GetWidth() * texture->GetHeight() - MAX_PICTURE_SIZE;
          if ((iSize + (int)texture->GetWidth() > 0) || (iSize + (int)texture->GetHeight() > 0))
            bFullSize = true;
          if (!bFullSize && texture->GetWidth() == g_Windowing.GetMaxTextureSize())
            bFullSize = true;
          if (!bFullSize && texture->GetHeight() == g_Windowing.GetMaxTextureSize())
            bFullSize = true;
        }
        m_pCallback->OnLoadPic(m_iPic, m_iSlideNumber, texture, originalWidth, originalHeight, bFullSize);
        m_isLoading = false;
      }
    }
  }
  if (count > 0)
    CLog::Log(LOGDEBUG, "Time for loading %u images: %u ms, average %u ms",
              count, totalTime, totalTime / count);
}

void CBackgroundPicLoader::LoadPic(int iPic, int iSlideNumber, const CStdString &strFileName, const int maxWidth, const int maxHeight)
{
  m_iPic = iPic;
  m_iSlideNumber = iSlideNumber;
  m_strFileName = strFileName;
  m_maxWidth = maxWidth;
  m_maxHeight = maxHeight;
  m_isLoading = true;
  m_loadPic.Set();
}

CGUIWindowSlideShow::CGUIWindowSlideShow(void)
    : CGUIWindow(WINDOW_SLIDESHOW, "SlideShow.xml")
{
  m_pBackgroundLoader = NULL;
  m_slides = new CFileItemList;
  m_Resolution = RES_INVALID;
  Reset();
}

CGUIWindowSlideShow::~CGUIWindowSlideShow(void)
{
  Reset();
  delete m_slides;
}

bool CGUIWindowSlideShow::IsPlaying() const
{
  return m_Image[m_iCurrentPic].IsLoaded();
}

void CGUIWindowSlideShow::Reset()
{
  g_infoManager.SetShowCodec(false);
  m_bSlideShow = false;
  m_bShuffled = false;
  m_bPause = false;
  m_bPlayingVideo = false;
  m_bErrorMessage = false;
  m_bReloadImage = false;
  m_bScreensaver = false;
  m_Image[0].UnLoad();
  m_Image[0].Close();
  m_Image[1].UnLoad();
  m_Image[1].Close();

  m_fRotate = 0.0f;
  m_fInitialRotate = 0.0f;
  m_iZoomFactor = 1;
  m_fZoom = 1.0f;
  m_fInitialZoom = 0.0f;
  m_iCurrentSlide = 0;
  m_iNextSlide = 1;
  m_iCurrentPic = 0;
  m_iDirection = 1;
  CSingleLock lock(m_slideSection);
  m_slides->Clear();
  m_Resolution = g_graphicsContext.GetVideoResolution();
}

void CGUIWindowSlideShow::FreeResources()
{ // wait for any outstanding picture loads
  if (m_pBackgroundLoader)
  {
    // sleep until the loader finishes loading the current pic
    CLog::Log(LOGDEBUG,"Waiting for BackgroundLoader thread to close");
    while (m_pBackgroundLoader->IsLoading())
      Sleep(10);
    // stop the thread
    CLog::Log(LOGDEBUG,"Stopping BackgroundLoader thread");
    m_pBackgroundLoader->StopThread();
    delete m_pBackgroundLoader;
    m_pBackgroundLoader = NULL;
  }
  // and close the images.
  m_Image[0].Close();
  m_Image[1].Close();
  g_infoManager.ResetCurrentSlide();
}

void CGUIWindowSlideShow::Add(const CFileItem *picture)
{
  CFileItemPtr item(new CFileItem(*picture));
  m_slides->Add(item);
}

void CGUIWindowSlideShow::ShowNext()
{
  if (m_slides->Size() == 1)
    return;

  m_iNextSlide = m_iCurrentSlide + 1;
  if (m_iNextSlide >= m_slides->Size())
    m_iNextSlide = 0;

  m_iDirection = 1;
  m_bLoadNextPic = true;
}

void CGUIWindowSlideShow::ShowPrevious()
{
  if (m_slides->Size() == 1)
    return;

  m_iNextSlide = m_iCurrentSlide - 1;
  if (m_iNextSlide < 0)
    m_iNextSlide = m_slides->Size() - 1;
  m_iDirection = -1;
  m_bLoadNextPic = true;
}


void CGUIWindowSlideShow::Select(const CStdString& strPicture)
{
  for (int i = 0; i < m_slides->Size(); ++i)
  {
    const CFileItemPtr item = m_slides->Get(i);
    if (item->GetPath() == strPicture)
    {
      m_iDirection = 1;
      if (IsActive())
        m_iNextSlide = i;
      else
      {
        m_iCurrentSlide = i;
        m_iNextSlide = GetNextSlide();
      }
      m_bLoadNextPic = true;
      return ;
    }
  }
}

const CFileItemList &CGUIWindowSlideShow::GetSlideShowContents()
{
  return *m_slides;
}

void CGUIWindowSlideShow::GetSlideShowContents(CFileItemList &list)
{
  for (int index = 0; index < m_slides->Size(); index++)
    list.Add(CFileItemPtr(new CFileItem(*m_slides->Get(index))));
}

const CFileItemPtr CGUIWindowSlideShow::GetCurrentSlide()
{
  if (m_iCurrentSlide >= 0 && m_iCurrentSlide < m_slides->Size())
    return m_slides->Get(m_iCurrentSlide);
  return CFileItemPtr();
}

bool CGUIWindowSlideShow::InSlideShow() const
{
  return m_bSlideShow;
}

void CGUIWindowSlideShow::StartSlideShow(bool screensaver)
{
  m_bSlideShow = true;
  m_iDirection = 1;
  m_bScreensaver = screensaver;
}

void CGUIWindowSlideShow::Process(unsigned int currentTime, CDirtyRegionList &regions)
{
  // reset the screensaver if we're in a slideshow
  // (unless we are the screensaver!)
  if (m_bSlideShow && !g_application.IsInScreenSaver())
    g_application.ResetScreenSaver();
  int iSlides = m_slides->Size();
  if (!iSlides) return ;

  // if we haven't rendered yet, we should mark the whole screen
  if (!m_hasRendered)
    regions.push_back(CRect(0.0f, 0.0f, (float)g_graphicsContext.GetWidth(), (float)g_graphicsContext.GetHeight()));

  if (m_iNextSlide < 0 || m_iNextSlide >= m_slides->Size())
    m_iNextSlide = 0;
  if (m_iCurrentSlide < 0 || m_iCurrentSlide >= m_slides->Size())
    m_iCurrentSlide = 0;

  // Create our background loader if necessary
  if (!m_pBackgroundLoader)
  {
    m_pBackgroundLoader = new CBackgroundPicLoader();

    if (!m_pBackgroundLoader)
    {
      throw 1;
    }
    m_pBackgroundLoader->Create(this);
  }

  bool bSlideShow = m_bSlideShow && !m_bPause && !m_bPlayingVideo;

  if (m_bErrorMessage)
  { // we have an error when loading either the current or next picture
    // check to see if we have a picture loaded
    CLog::Log(LOGDEBUG, "We have an error loading a picture!");
    if (m_Image[m_iCurrentPic].IsLoaded())
    { // Yes. Let's let it transistion out, wait for it to be released, then try loading again.
      CLog::Log(LOGERROR, "Error loading the next image %s", m_slides->Get(m_iNextSlide)->GetPath().c_str());
      if (!bSlideShow)
      { // tell the pic to start transistioning out now
        m_Image[m_iCurrentPic].StartTransistion();
        m_Image[m_iCurrentPic].SetTransistionTime(1, IMMEDIATE_TRANSISTION_TIME); // only 20 frames for the transistion
      }
      m_bWaitForNextPic = true;
      m_bErrorMessage = false;
    }
    else
    { // No. Not much we can do here. If we're in a slideshow, we mayaswell move on to the next picture
      // change to next image
      if (bSlideShow)
      {
        CLog::Log(LOGERROR, "Error loading the current image %s", m_slides->Get(m_iCurrentSlide)->GetPath().c_str());
        m_iCurrentSlide = m_iNextSlide;
        m_iNextSlide = GetNextSlide();
        ShowNext();
        m_bErrorMessage = false;
      }
      else if (m_bLoadNextPic)
      {
        m_iCurrentSlide = m_iNextSlide;
        m_iNextSlide = GetNextSlide();
        m_bErrorMessage = false;
      }
      // else just drop through - there's nothing we can do (error message will be displayed)
    }
  }

  if (m_bErrorMessage)
  { // hack, just mark it all
    regions.push_back(CRect(0.0f, 0.0f, (float)g_graphicsContext.GetWidth(), (float)g_graphicsContext.GetHeight()));
    return;
  }

  if (!m_Image[m_iCurrentPic].IsLoaded() && !m_pBackgroundLoader->IsLoading())
  { // load first image
    CLog::Log(LOGDEBUG, "Loading the current image %s", m_slides->Get(m_iCurrentSlide)->GetPath().c_str());
    m_bWaitForNextPic = false;
    m_bLoadNextPic = false;
    // load using the background loader
    int maxWidth, maxHeight;
    GetCheckedSize((float)g_settings.m_ResInfo[m_Resolution].iWidth * m_fZoom,
                   (float)g_settings.m_ResInfo[m_Resolution].iHeight * m_fZoom,
                    maxWidth, maxHeight);
    if (!m_slides->Get(m_iCurrentSlide)->IsVideo())
      m_pBackgroundLoader->LoadPic(m_iCurrentPic, m_iCurrentSlide, m_slides->Get(m_iCurrentSlide)->GetPath(), maxWidth, maxHeight);
  }

  // check if we should discard an already loaded next slide
  if (m_bLoadNextPic && m_Image[1 - m_iCurrentPic].IsLoaded() && m_Image[1 - m_iCurrentPic].SlideNumber() != m_iNextSlide)
    m_Image[1 - m_iCurrentPic].Close();

  // if we're reloading an image (for better res on zooming we need to close any open ones as well)
  if (m_bReloadImage && m_Image[1 - m_iCurrentPic].IsLoaded() && m_Image[1 - m_iCurrentPic].SlideNumber() != m_iCurrentSlide)
    m_Image[1 - m_iCurrentPic].Close();

  if (m_bReloadImage)
  {
    if (m_Image[m_iCurrentPic].IsLoaded() && !m_Image[1 - m_iCurrentPic].IsLoaded() && !m_pBackgroundLoader->IsLoading() && !m_bWaitForNextPic)
    { // reload the image if we need to
      CLog::Log(LOGDEBUG, "Reloading the current image %s at zoom level %i", m_slides->Get(m_iCurrentSlide)->GetPath().c_str(), m_iZoomFactor);
      // first, our maximal size for this zoom level
      int maxWidth = (int)((float)g_settings.m_ResInfo[m_Resolution].iWidth * m_fZoom);
      int maxHeight = (int)((float)g_settings.m_ResInfo[m_Resolution].iWidth * m_fZoom);

      // the actual maximal size of the image to optimize the sizing based on the known sizing (aspect ratio)
      int width, height;
      GetCheckedSize((float)m_Image[m_iCurrentPic].GetOriginalWidth(), (float)m_Image[m_iCurrentPic].GetOriginalHeight(), width, height);

      // use the smaller of the two (no point zooming in more than we have to)
      if (maxWidth < width)
        width = maxWidth;
      if (maxHeight < height)
        height = maxHeight;

      m_pBackgroundLoader->LoadPic(m_iCurrentPic, m_iCurrentSlide, m_slides->Get(m_iCurrentSlide)->GetPath(), width, height);
    }
  }
  else
  {
    if (m_iNextSlide != m_iCurrentSlide && m_Image[m_iCurrentPic].IsLoaded() && !m_Image[1 - m_iCurrentPic].IsLoaded() && !m_pBackgroundLoader->IsLoading() && !m_bWaitForNextPic)
    { // load the next image
      CLog::Log(LOGDEBUG, "Loading the next image %s", m_slides->Get(m_iNextSlide)->GetPath().c_str());
      int maxWidth, maxHeight;
      GetCheckedSize((float)g_settings.m_ResInfo[m_Resolution].iWidth * m_fZoom,
                     (float)g_settings.m_ResInfo[m_Resolution].iHeight * m_fZoom,
                     maxWidth, maxHeight);
      if (!m_slides->Get(m_iNextSlide)->IsVideo())
        m_pBackgroundLoader->LoadPic(1 - m_iCurrentPic, m_iNextSlide, m_slides->Get(m_iNextSlide)->GetPath(), maxWidth, maxHeight);
    }
  }

  // render the current image
  if (m_Image[m_iCurrentPic].IsLoaded())
  {
    m_Image[m_iCurrentPic].SetInSlideshow(m_bSlideShow);
    m_Image[m_iCurrentPic].Pause(m_bPause);
    m_Image[m_iCurrentPic].Process(currentTime, regions);
  }

  if (m_slides->Get(m_iCurrentSlide)->IsVideo() && bSlideShow)
  {
    CLog::Log(LOGDEBUG, "Playing slide %s as video", m_slides->Get(m_iCurrentSlide)->GetPath().c_str());
    m_bPlayingVideo = true;
    CApplicationMessenger::Get().PlayFile(*m_slides->Get(m_iCurrentSlide));
    m_iCurrentSlide = m_iNextSlide;
    m_iNextSlide = GetNextSlide();
  }

  // Check if we should be transistioning immediately
  if (m_bLoadNextPic)
  {
    CLog::Log(LOGDEBUG, "Starting immediate transistion due to user wanting slide %s", m_slides->Get(m_iNextSlide)->GetPath().c_str());
    if (m_Image[m_iCurrentPic].StartTransistion())
    {
      m_Image[m_iCurrentPic].SetTransistionTime(1, IMMEDIATE_TRANSISTION_TIME); // only 20 frames for the transistion
      m_bLoadNextPic = false;
    }
  }

  // render the next image
  if (m_Image[m_iCurrentPic].DrawNextImage())
  {
    if (m_Image[1 - m_iCurrentPic].IsLoaded())
    {
      // set the appropriate transistion time
      m_Image[1 - m_iCurrentPic].SetTransistionTime(0, m_Image[m_iCurrentPic].GetTransistionTime(1));
      m_Image[1 - m_iCurrentPic].Pause(m_bPause);
      m_Image[1 - m_iCurrentPic].Process(currentTime, regions);
    }
    else // next pic isn't loaded. We should hang around if it is in progress
    {
      if (m_pBackgroundLoader->IsLoading())
      {
// CLog::Log(LOGDEBUG, "Having to hold the current image (%s) while we load %s", m_vecSlides[m_iCurrentSlide].c_str(), m_vecSlides[m_iNextSlide].c_str());
        m_Image[m_iCurrentPic].Keep();
      }
    }
  }

  // check if we should swap images now
  if (m_Image[m_iCurrentPic].IsFinished())
  {
    CLog::Log(LOGDEBUG, "Image %s is finished rendering, switching to %s", m_slides->Get(m_iCurrentSlide)->GetPath().c_str(), m_slides->Get(m_iNextSlide)->GetPath().c_str());
    m_Image[m_iCurrentPic].Close();
    if (m_Image[1 - m_iCurrentPic].IsLoaded())
      m_iCurrentPic = 1 - m_iCurrentPic;

    m_iCurrentSlide = m_iNextSlide;
    m_iNextSlide = GetNextSlide();

// m_iZoomFactor = 1;
    m_fRotate = 0.0f;
  }

  if (m_Image[m_iCurrentPic].IsLoaded())
    g_infoManager.SetCurrentSlide(*m_slides->Get(m_iCurrentSlide));

  RenderPause();
  CGUIWindow::Process(currentTime, regions);
}

void CGUIWindowSlideShow::Render()
{
  if (m_Image[m_iCurrentPic].IsLoaded())
    m_Image[m_iCurrentPic].Render();

  if (m_Image[m_iCurrentPic].DrawNextImage() && m_Image[1 - m_iCurrentPic].IsLoaded())
    m_Image[1 - m_iCurrentPic].Render();

  RenderErrorMessage();
  CGUIWindow::Render();
}

int CGUIWindowSlideShow::GetNextSlide()
{
  if (m_slides->Size() <= 1)
    return m_iCurrentSlide;
  if (m_bSlideShow || m_iDirection >= 0)
    return (m_iCurrentSlide + 1) % m_slides->Size();

  return (m_iCurrentSlide - 1 + m_slides->Size()) % m_slides->Size();
}

EVENT_RESULT CGUIWindowSlideShow::OnMouseEvent(const CPoint &point, const CMouseEvent &event)
{
  if (event.m_id == ACTION_GESTURE_NOTIFY)
  {
    if (m_iZoomFactor == 1) //zoomed out - no inertial scrolling
      return EVENT_RESULT_PAN_HORIZONTAL_WITHOUT_INERTIA;

    return EVENT_RESULT_PAN_HORIZONTAL;
  }
  else if (event.m_id == ACTION_GESTURE_BEGIN)
  {
    m_firstGesturePoint = point;
    m_fInitialZoom = m_fZoom;
    m_fInitialRotate = m_fRotate;
    return EVENT_RESULT_HANDLED;
  }
  else if (event.m_id == ACTION_GESTURE_PAN)
  { // on zoomlevel 1 just detect swipe left and right
    if (m_iZoomFactor == 1)
    {
      if (m_firstGesturePoint.x > 0 && fabs(point.x - m_firstGesturePoint.x) > 100)
      {
        if (point.x < m_firstGesturePoint.x)
          OnAction(CAction(ACTION_NEXT_PICTURE));
        else
          OnAction(CAction(ACTION_PREV_PICTURE));

        m_firstGesturePoint.x = 0;
      }
    }
    else //zoomed in - free move mode
    {
      Move(PICTURE_MOVE_AMOUNT_TOUCH / m_iZoomFactor * (m_firstGesturePoint.x - point.x), PICTURE_MOVE_AMOUNT_TOUCH / m_iZoomFactor * (m_firstGesturePoint.y - point.y));
      m_firstGesturePoint = point;
    }
    return EVENT_RESULT_HANDLED;
  }
  else if (event.m_id == ACTION_GESTURE_END)
  {
    if (m_fRotate != 0.0f)
    {
      // "snap" to nearest of 0, 90, 180 and 270 if the
      // difference in angle is +/-10 degrees
      float reminder = fmodf(m_fRotate, 90.0f);
      if (reminder < ROTATION_SNAP_RANGE)
        Rotate(-reminder);
      else if (reminder > 90.0f - ROTATION_SNAP_RANGE)
        Rotate(90.0f - reminder);
    }

    m_fInitialZoom = 0.0f;
    m_fInitialRotate = 0.0f;
    return EVENT_RESULT_HANDLED;
  }
  else if (event.m_id == ACTION_GESTURE_ZOOM)
  {
    ZoomRelative(m_fInitialZoom * event.m_offsetX, true);
    return EVENT_RESULT_HANDLED;
  }
  else if (event.m_id == ACTION_GESTURE_ROTATE)
  {
    Rotate(m_fInitialRotate + event.m_offsetX - m_fRotate, true);
    return EVENT_RESULT_HANDLED;
  }
  return EVENT_RESULT_UNHANDLED;
}

bool CGUIWindowSlideShow::OnAction(const CAction &action)
{
  if (m_bScreensaver)
  {
    g_windowManager.PreviousWindow();
    return true;
  }

  switch (action.GetID())
  {
  case ACTION_SHOW_CODEC:
    {
      CGUIDialogPictureInfo *pictureInfo = (CGUIDialogPictureInfo *)g_windowManager.GetWindow(WINDOW_DIALOG_PICTURE_INFO);
      if (pictureInfo)
      {
        // no need to set the picture here, it's done in Render()
        pictureInfo->DoModal();
      }
    }
    break;

  case ACTION_PREVIOUS_MENU:
  case ACTION_NAV_BACK:
  case ACTION_STOP:
    g_windowManager.PreviousWindow();
    break;

  case ACTION_NEXT_PICTURE:
      ShowNext();
    break;

  case ACTION_PREV_PICTURE:
      ShowPrevious();
    break;

  case ACTION_MOVE_RIGHT:
    if (m_iZoomFactor == 1)
      ShowNext();
    else
      Move(PICTURE_MOVE_AMOUNT, 0);
    break;

  case ACTION_MOVE_LEFT:
    if (m_iZoomFactor == 1)
      ShowPrevious();
    else
      Move( -PICTURE_MOVE_AMOUNT, 0);
    break;

  case ACTION_MOVE_DOWN:
    Move(0, PICTURE_MOVE_AMOUNT);
    break;

  case ACTION_MOVE_UP:
    Move(0, -PICTURE_MOVE_AMOUNT);
    break;

  case ACTION_PAUSE:
    if (m_bSlideShow)
      m_bPause = !m_bPause;
    break;

  case ACTION_PLAYER_PLAY:
    if (!m_bSlideShow)
    {
      m_bSlideShow = true;
      m_bPause = false;
    }
    else if (m_bPause)
      m_bPause = false;
    break;

  case ACTION_ZOOM_OUT:
    Zoom(m_iZoomFactor - 1);
    break;

  case ACTION_ZOOM_IN:
    Zoom(m_iZoomFactor + 1);
    break;

  case ACTION_ROTATE_PICTURE_CW:
    Rotate(90.0f);
    break;

  case ACTION_ROTATE_PICTURE_CCW:
    Rotate(-90.0f);
    break;

  case ACTION_ZOOM_LEVEL_NORMAL:
  case ACTION_ZOOM_LEVEL_1:
  case ACTION_ZOOM_LEVEL_2:
  case ACTION_ZOOM_LEVEL_3:
  case ACTION_ZOOM_LEVEL_4:
  case ACTION_ZOOM_LEVEL_5:
  case ACTION_ZOOM_LEVEL_6:
  case ACTION_ZOOM_LEVEL_7:
  case ACTION_ZOOM_LEVEL_8:
  case ACTION_ZOOM_LEVEL_9:
    Zoom((action.GetID() - ACTION_ZOOM_LEVEL_NORMAL) + 1);
    break;

  case ACTION_ANALOG_MOVE:
    Move(action.GetAmount()*PICTURE_MOVE_AMOUNT_ANALOG, -action.GetAmount(1)*PICTURE_MOVE_AMOUNT_ANALOG);
    break;

  default:
    return CGUIWindow::OnAction(action);
  }
  return true;
}

void CGUIWindowSlideShow::RenderErrorMessage()
{
  if (!m_bErrorMessage)
    return ;

  const CGUIControl *control = GetControl(LABEL_ROW1);
  if (NULL == control || control->GetControlType() != CGUIControl::GUICONTROL_LABEL)
  {
     CLog::Log(LOGERROR,"CGUIWindowSlideShow::RenderErrorMessage - cant get label control!");
     return;
  }

  CGUIFont *pFont = ((CGUILabelControl *)control)->GetLabelInfo().font;
  CGUITextLayout::DrawText(pFont, 0.5f*g_graphicsContext.GetWidth(), 0.5f*g_graphicsContext.GetHeight(), 0xffffffff, 0, g_localizeStrings.Get(747), XBFONT_CENTER_X | XBFONT_CENTER_Y);
}

bool CGUIWindowSlideShow::OnMessage(CGUIMessage& message)
{
  switch ( message.GetMessage() )
  {
  case GUI_MSG_WINDOW_DEINIT:
    {
      if (m_Resolution != g_guiSettings.m_LookAndFeelResolution)
      {
        //FIXME: Use GUI resolution for now
        //g_graphicsContext.SetVideoResolution(g_guiSettings.m_LookAndFeelResolution, TRUE);
      }

      // Reset();
      if (message.GetParam1() != WINDOW_PICTURES)
        m_ImageLib.Unload();

      g_windowManager.ShowOverlay(OVERLAY_STATE_SHOWN);
      FreeResources();
    }
    break;

  case GUI_MSG_WINDOW_INIT:
    {
      m_Resolution = (RESOLUTION) g_guiSettings.GetInt("pictures.displayresolution");

      //FIXME: Use GUI resolution for now
      if (0 /*m_Resolution != g_guiSettings.m_LookAndFeelResolution && m_Resolution != INVALID && m_Resolution!=AUTORES*/)
        g_graphicsContext.SetVideoResolution(m_Resolution);
      else
        m_Resolution = g_graphicsContext.GetVideoResolution();

      CGUIWindow::OnMessage(message);
      if (message.GetParam1() != WINDOW_PICTURES)
        m_ImageLib.Load();

      g_windowManager.ShowOverlay(OVERLAY_STATE_HIDDEN);

      // turn off slideshow if we only have 1 image
      if (m_slides->Size() <= 1)
        m_bSlideShow = false;

      return true;
    }
    break;

  case GUI_MSG_START_SLIDESHOW:
    {
      CStdString strFolder = message.GetStringParam();
      unsigned int iParams = message.GetParam1();
      //decode params
      bool bRecursive = false;
      bool bRandom = false;
      bool bNotRandom = false;
      if (iParams > 0)
      {
        if ((iParams & 1) == 1)
          bRecursive = true;
        if ((iParams & 2) == 2)
          bRandom = true;
        if ((iParams & 4) == 4)
          bNotRandom = true;
      }
      RunSlideShow(strFolder, bRecursive, bRandom, bNotRandom);
    }
    break;

    case GUI_MSG_PLAYLISTPLAYER_STOPPED:
      {
        m_bPlayingVideo = false;
        if (m_bSlideShow)
          g_windowManager.ActivateWindow(WINDOW_SLIDESHOW);
      }
      break;

    case GUI_MSG_PLAYBACK_STARTED:
      {
        if (m_bSlideShow && m_bPlayingVideo)
          g_windowManager.ActivateWindow(WINDOW_FULLSCREEN_VIDEO);
      }
      break;

    case GUI_MSG_PLAYBACK_STOPPED:
      {
        if (m_bSlideShow && m_bPlayingVideo)
        {
          m_bSlideShow = false;
          g_windowManager.PreviousWindow();
        }
      }
      break;
  }
  return CGUIWindow::OnMessage(message);
}

void CGUIWindowSlideShow::RenderPause()
{ // display the pause icon
  if (m_bPause)
  {
    SET_CONTROL_VISIBLE(CONTROL_PAUSE);
  }
  else
  {
    SET_CONTROL_HIDDEN(CONTROL_PAUSE);
  }
  /*
static DWORD dwCounter=0;
dwCounter++;
if (dwCounter > 25)
{
dwCounter=0;
}
if (!m_bPause) return;
if (dwCounter <13) return;*/

}

void CGUIWindowSlideShow::Rotate(float fAngle, bool immediate /* = false */)
{
  if (m_Image[m_iCurrentPic].DrawNextImage())
    return;

  m_fRotate += fAngle;

  m_Image[m_iCurrentPic].Rotate(fAngle, immediate);
}

void CGUIWindowSlideShow::Zoom(int iZoom)
{
  if (iZoom > MAX_ZOOM_FACTOR || iZoom < 1)
    return;

  ZoomRelative(zoomamount[iZoom - 1]);
}

void CGUIWindowSlideShow::ZoomRelative(float fZoom, bool immediate /* = false */)
{
  if (fZoom < zoomamount[0])
    fZoom = zoomamount[0];
  else if (fZoom > zoomamount[MAX_ZOOM_FACTOR - 1])
    fZoom = zoomamount[MAX_ZOOM_FACTOR - 1];

  if (m_Image[m_iCurrentPic].DrawNextImage())
    return;

  m_fZoom = fZoom;

  // find the nearest zoom factor
#ifdef RELOAD_ON_ZOOM
  int iOldZoomFactor = m_iZoomFactor;
#endif
  for (unsigned int i = 1; i < MAX_ZOOM_FACTOR; i++)
  {
    if (m_fZoom > zoomamount[i])
      continue;

    if (fabs(m_fZoom - zoomamount[i - 1]) < fabs(m_fZoom - zoomamount[i]))
      m_iZoomFactor = i;
    else
      m_iZoomFactor = i + 1;

    break;
  }

  // set the zoom amount and then set so that the image is reloaded at the higher (or lower)
  // resolution as necessary
  m_Image[m_iCurrentPic].Zoom(m_fZoom, immediate);

#ifdef RELOAD_ON_ZOOM
  if (m_iZoomFactor == 1 || (iZoomFactor > iOldZoomFactor && !m_Image[m_iCurrentPic].FullSize()))
    m_bReloadImage = true;
#endif
}

void CGUIWindowSlideShow::Move(float fX, float fY)
{
  if (m_Image[m_iCurrentPic].IsLoaded() && m_Image[m_iCurrentPic].GetZoom() > 1)
  { // we move in the opposite direction, due to the fact we are moving
    // the viewing window, not the picture.
    m_Image[m_iCurrentPic].Move( -fX, -fY);
  }
}

void CGUIWindowSlideShow::OnLoadPic(int iPic, int iSlideNumber, CBaseTexture* pTexture, int iOriginalWidth, int iOriginalHeight, bool bFullSize)
{
  if (pTexture)
  {
    // set the pic's texture + size etc.
    CSingleLock lock(m_slideSection);
    if (iSlideNumber >= m_slides->Size())
    { // throw this away - we must have cleared the slideshow while we were still loading
      delete pTexture;
      return;
    }
    CLog::Log(LOGDEBUG, "Finished background loading %s", m_slides->Get(iSlideNumber)->GetPath().c_str());
    if (m_bReloadImage)
    {
      if (m_Image[m_iCurrentPic].IsLoaded() && m_Image[m_iCurrentPic].SlideNumber() != iSlideNumber)
      { // wrong image (ie we finished loading the next image, not the current image)
        delete pTexture;
        return;
      }
      m_Image[m_iCurrentPic].UpdateTexture(pTexture);
      m_Image[m_iCurrentPic].SetOriginalSize(iOriginalWidth, iOriginalHeight, bFullSize);
      m_bReloadImage = false;
    }
    else
    {
      if (m_bSlideShow)
        m_Image[iPic].SetTexture(iSlideNumber, pTexture, g_guiSettings.GetBool("slideshow.displayeffects") ? CSlideShowPic::EFFECT_RANDOM : CSlideShowPic::EFFECT_NONE);
      else
        m_Image[iPic].SetTexture(iSlideNumber, pTexture, CSlideShowPic::EFFECT_NO_TIMEOUT);
      m_Image[iPic].SetOriginalSize(iOriginalWidth, iOriginalHeight, bFullSize);
      m_Image[iPic].Zoom(m_iZoomFactor, true);

      m_Image[iPic].m_bIsComic = false;
      if (URIUtils::IsInRAR(m_slides->Get(m_iCurrentSlide)->GetPath()) || URIUtils::IsInZIP(m_slides->Get(m_iCurrentSlide)->GetPath())) // move to top for cbr/cbz
      {
        CURL url(m_slides->Get(m_iCurrentSlide)->GetPath());
        CStdString strHostName = url.GetHostName();
        if (URIUtils::GetExtension(strHostName).Equals(".cbr", false) || URIUtils::GetExtension(strHostName).Equals(".cbz", false))
        {
          m_Image[iPic].m_bIsComic = true;
          m_Image[iPic].Move((float)m_Image[iPic].GetOriginalWidth(),(float)m_Image[iPic].GetOriginalHeight());
        }
      }
    }
  }
  else
  { // Failed to load image. What should be done??
    // We should wait for the current pic to finish rendering, then transistion it out,
    // release the texture, and try and reload this pic from scratch
    m_bErrorMessage = true;
  }
}

void CGUIWindowSlideShow::Shuffle()
{
  m_slides->Randomize();
  m_iCurrentSlide = 0;
  m_iNextSlide = 1;
  m_bShuffled = true;
}

int CGUIWindowSlideShow::NumSlides() const
{
  return m_slides->Size();
}

int CGUIWindowSlideShow::CurrentSlide() const
{
  return m_iCurrentSlide + 1;
}

void CGUIWindowSlideShow::AddFromPath(const CStdString &strPath,
                                      bool bRecursive,
                                      SORT_METHOD method, SortOrder order, const CStdString &strExtensions)
{
  if (strPath!="")
  {
    // reset the slideshow
    Reset();
    m_strExtensions = strExtensions;
    if (bRecursive)
    {
      path_set recursivePaths;
      AddItems(strPath, &recursivePaths, method, order);
    }
    else
      AddItems(strPath, NULL, method, order);
  }
}

void CGUIWindowSlideShow::RunSlideShow(const CStdString &strPath,
                                       bool bRecursive /* = false */, bool bRandom /* = false */,
                                       bool bNotRandom /* = false */, SORT_METHOD method /* = SORT_METHOD_LABEL */,
                                       SortOrder order /* = SortOrderAscending */, const CStdString &strExtensions)
{
  // stop any video
  if (g_application.IsPlayingVideo())
    g_application.StopPlaying();

  AddFromPath(strPath, bRecursive, method, order, strExtensions);

  // mutually exclusive options
  // if both are set, clear both and use the gui setting
  if (bRandom && bNotRandom)
    bRandom = bNotRandom = false;

  // NotRandom overrides the window setting
  if ((!bNotRandom && g_guiSettings.GetBool("slideshow.shuffle")) || bRandom)
    Shuffle();

  StartSlideShow();
  if (NumSlides())
    g_windowManager.ActivateWindow(WINDOW_SLIDESHOW);
}

void CGUIWindowSlideShow::AddItems(const CStdString &strPath, path_set *recursivePaths, SORT_METHOD method, SortOrder order)
{
  // check whether we've already added this path
  if (recursivePaths)
  {
    CStdString path(strPath);
    URIUtils::RemoveSlashAtEnd(path);
    if (recursivePaths->find(path) != recursivePaths->end())
      return;
    recursivePaths->insert(path);
  }

  // fetch directory and sort accordingly
  CFileItemList items;
  if (!CDirectory::GetDirectory(strPath, items, m_strExtensions.IsEmpty()?g_settings.m_pictureExtensions:m_strExtensions,DIR_FLAG_NO_FILE_DIRS,true))
    return;

  items.Sort(method, order);

  // need to go into all subdirs
  for (int i = 0; i < items.Size(); i++)
  {
    CFileItemPtr item = items[i];
    if (item->m_bIsFolder && recursivePaths)
    {
      AddItems(item->GetPath(), recursivePaths);
    }
    else if (!item->m_bIsFolder && !URIUtils::IsRAR(item->GetPath()) && !URIUtils::IsZIP(item->GetPath()))
    { // add to the slideshow
      Add(item.get());
    }
  }
}

void CGUIWindowSlideShow::GetCheckedSize(float width, float height, int &maxWidth, int &maxHeight)
{
#ifdef RELOAD_ON_ZOOM
  if (width * height > MAX_PICTURE_SIZE)
  {
    float fScale = sqrt((float)MAX_PICTURE_SIZE / (width * height));
    width = fScale * width;
    height = fScale * height;
  }
  maxWidth = (int)width;
  maxHeight = (int)height;
  if (maxWidth > (int)g_Windowing.GetMaxTextureSize())
    maxWidth = g_Windowing.GetMaxTextureSize();
  if (maxHeight > (int)g_Windowing.GetMaxTextureSize())
    maxHeight = g_Windowing.GetMaxTextureSize();
#else
  maxWidth = g_Windowing.GetMaxTextureSize();
  maxHeight = g_Windowing.GetMaxTextureSize();
#endif
}
Something went wrong with that request. Please try again.