C++ CBaseTexture::GetHeight方法代码示例

bool CPicture::CreateTiledThumb(const std::vector<std::string> &files, const std::string &thumb)
{
  if (!files.size())
    return false;

  unsigned int num_across = (unsigned int)ceil(sqrt((float)files.size()));
  unsigned int num_down = (files.size() + num_across - 1) / num_across;

  unsigned int tile_width = g_advancedSettings.m_imageRes / num_across;
  unsigned int tile_height = g_advancedSettings.m_imageRes / num_down;
  unsigned int tile_gap = 1;
  bool success = false;

  // create a buffer for the resulting thumb
  uint32_t *buffer = (uint32_t *)calloc(g_advancedSettings.m_imageRes * g_advancedSettings.m_imageRes, 4);
  for (unsigned int i = 0; i < files.size(); ++i)
  {
    int x = i % num_across;
    int y = i / num_across;
    // load in the image
    unsigned int width = tile_width - 2*tile_gap, height = tile_height - 2*tile_gap;
    CBaseTexture *texture = CTexture::LoadFromFile(files[i], width, height, true);
    if (texture && texture->GetWidth() && texture->GetHeight())
    {
      GetScale(texture->GetWidth(), texture->GetHeight(), width, height);

      // scale appropriately
      uint32_t *scaled = new uint32_t[width * height];
      if (ScaleImage(texture->GetPixels(), texture->GetWidth(), texture->GetHeight(), texture->GetPitch(),
                     (uint8_t *)scaled, width, height, width * 4))
      {
        if (!texture->GetOrientation() || OrientateImage(scaled, width, height, texture->GetOrientation()))
        {
          success = true; // Flag that we at least had one successful image processed
          // drop into the texture
          unsigned int posX = x*tile_width + (tile_width - width)/2;
          unsigned int posY = y*tile_height + (tile_height - height)/2;
          uint32_t *dest = buffer + posX + posY*g_advancedSettings.m_imageRes;
          uint32_t *src = scaled;
          for (unsigned int y = 0; y < height; ++y)
          {
            memcpy(dest, src, width*4);
            dest += g_advancedSettings.m_imageRes;
            src += width;
          }
        }
      }
      delete[] scaled;
    }
    delete texture;
  }
  // now save to a file
  if (success)
    success = CreateThumbnailFromSurface((uint8_t *)buffer, g_advancedSettings.m_imageRes, g_advancedSettings.m_imageRes,
                                      g_advancedSettings.m_imageRes * 4, thumb);

  free(buffer);
  return success;
}

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 (WaitForSingleObject(m_loadPic, 10) == WAIT_OBJECT_0)
    {
      if (m_pCallback)
      {
        unsigned int start = CTimeUtils::GetTimeMS();
        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 += CTimeUtils::GetTimeMS() - 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);
}

CBaseTexture* CGUIFontTTFGL::ReallocTexture(unsigned int& newHeight)
{
  newHeight = CBaseTexture::PadPow2(newHeight);

  CBaseTexture* newTexture = new CTexture(m_textureWidth, newHeight, XB_FMT_A8);

  if (!newTexture || newTexture->GetPixels() == NULL)
  {
    CLog::Log(LOGERROR, "GUIFontTTFGL::CacheCharacter: Error creating new cache texture for size %f", m_height);
    delete newTexture;
    return NULL;
  }
  m_textureHeight = newTexture->GetHeight();
  m_textureScaleY = 1.0f / m_textureHeight;
  m_textureWidth = newTexture->GetWidth();
  m_textureScaleX = 1.0f / m_textureWidth;
  if (m_textureHeight < newHeight)
    CLog::Log(LOGWARNING, "%s: allocated new texture with height of %d, requested %d", __FUNCTION__, m_textureHeight, newHeight);
  m_staticCache.Flush();
  m_dynamicCache.Flush();

  memset(newTexture->GetPixels(), 0, m_textureHeight * newTexture->GetPitch());
  if (m_texture)
  {
    m_updateY1 = 0;
    m_updateY2 = m_texture->GetHeight();

    unsigned char* src = (unsigned char*) m_texture->GetPixels();
    unsigned char* dst = (unsigned char*) newTexture->GetPixels();
    for (unsigned int y = 0; y < m_texture->GetHeight(); y++)
    {
      memcpy(dst, src, m_texture->GetPitch());
      src += m_texture->GetPitch();
      dst += newTexture->GetPitch();
    }
    delete m_texture;
  }

  m_textureStatus = TEXTURE_REALLOCATED;

  return newTexture;
}

const CTextureArray& CGUITextureManager::Load(const std::string& strTextureName, bool checkBundleOnly /*= false */)
{
    std::string strPath;
    static CTextureArray emptyTexture;
    int bundle = -1;
    int size = 0;
    if (!HasTexture(strTextureName, &strPath, &bundle, &size))
        return emptyTexture;

    if (size) // we found the texture
    {
        for (int i = 0; i < (int)m_vecTextures.size(); ++i)
        {
            CTextureMap *pMap = m_vecTextures[i];
            if (pMap->GetName() == strTextureName)
            {
                //CLog::Log(LOGDEBUG, "Total memusage %u", GetMemoryUsage());
                return pMap->GetTexture();
            }
        }
        // Whoops, not there.
        return emptyTexture;
    }

    for (ilistUnused i = m_unusedTextures.begin(); i != m_unusedTextures.end(); ++i)
    {
        CTextureMap* pMap = i->first;
        if (pMap->GetName() == strTextureName && i->second > 0)
        {
            m_vecTextures.push_back(pMap);
            m_unusedTextures.erase(i);
            return pMap->GetTexture();
        }
    }

    if (checkBundleOnly && bundle == -1)
        return emptyTexture;

    //Lock here, we will do stuff that could break rendering
    CSingleLock lock(g_graphicsContext);

#ifdef _DEBUG_TEXTURES
    int64_t start;
    start = CurrentHostCounter();
#endif

    if (bundle >= 0 && StringUtils::EndsWithNoCase(strPath, ".gif"))
    {
        CTextureMap* pMap = nullptr;
        CBaseTexture **pTextures = nullptr;
        int nLoops = 0, width = 0, height = 0;
        int* Delay = nullptr;
        int nImages = m_TexBundle[bundle].LoadAnim(strTextureName, &pTextures, width, height, nLoops, &Delay);
        if (!nImages)
        {
            CLog::Log(LOGERROR, "Texture manager unable to load bundled file: %s", strTextureName.c_str());
            delete[] pTextures;
            delete[] Delay;
            return emptyTexture;
        }

        unsigned int maxWidth = 0;
        unsigned int maxHeight = 0;
        pMap = new CTextureMap(strTextureName, width, height, nLoops);
        for (int iImage = 0; iImage < nImages; ++iImage)
        {
            pMap->Add(pTextures[iImage], Delay[iImage]);
            maxWidth = std::max(maxWidth, pTextures[iImage]->GetWidth());
            maxHeight = std::max(maxHeight, pTextures[iImage]->GetHeight());
        }

        pMap->SetWidth((int)maxWidth);
        pMap->SetHeight((int)maxHeight);

        delete[] pTextures;
        delete[] Delay;

        if (pMap)
        {
            m_vecTextures.push_back(pMap);
            return pMap->GetTexture();
        }
    }
    else if (StringUtils::EndsWithNoCase(strPath, ".gif") ||
             StringUtils::EndsWithNoCase(strPath, ".apng"))
    {
        CTextureMap* pMap = nullptr;

        std::string mimeType;
        if (StringUtils::EndsWithNoCase(strPath, ".gif"))
            mimeType = "image/gif";
        else if (StringUtils::EndsWithNoCase(strPath, ".apng"))
            mimeType = "image/apng";

        XFILE::CFile file;
        XFILE::auto_buffer buf;
        CFFmpegImage anim(mimeType);
        pMap = new CTextureMap(strTextureName, 0, 0, 0);

        if (file.LoadFile(strPath, buf) <= 0 ||
//.........这里部分代码省略.........

bool CTextureDDSJob::DoWork()
{
  if (URIUtils::GetExtension(m_original).Equals(".dds"))
    return false;
  CBaseTexture *texture = CBaseTexture::LoadFromFile(m_original);
  if (texture)
  { // convert to DDS
    CDDSImage dds;
    CLog::Log(LOGDEBUG, "Creating DDS version of: %s", m_original.c_str());
    bool ret = dds.Create(URIUtils::ReplaceExtension(m_original, ".dds"), texture->GetWidth(), texture->GetHeight(), texture->GetPitch(), texture->GetPixels(), 40);
    delete texture;
    return ret;
  }
  return false;
}

//.........这里部分代码省略.........
      {
        CLog::Log(LOGERROR, "Texture manager unable to load bundled file: %s", strTextureName.c_str());
        return 0;
      }

      pMap = new CTextureMap(strTextureName, width, height, nLoops);
      for (int iImage = 0; iImage < nImages; ++iImage)
      {
        pMap->Add(pTextures[iImage], Delay[iImage]);
      }

      delete [] pTextures;
      delete [] Delay;
    }
    else
    {
      CAnimatedGifSet AnimatedGifSet;
      int iImages = AnimatedGifSet.LoadGIF(strPath.c_str());
      if (iImages == 0)
      {
        CStdString rootPath = strPath.Left(g_SkinInfo->Path().GetLength());
        if (0 == rootPath.CompareNoCase(g_SkinInfo->Path()))
          CLog::Log(LOGERROR, "Texture manager unable to load file: %s", strPath.c_str());
        return 0;
      }
      int iWidth = AnimatedGifSet.FrameWidth;
      int iHeight = AnimatedGifSet.FrameHeight;

      // fixup our palette
      COLOR *palette = AnimatedGifSet.m_vecimg[0]->Palette;
      // set the alpha values to fully opaque
      for (int i = 0; i < 256; i++)
        palette[i].x = 0xff;
      // and set the transparent colour
      if (AnimatedGifSet.m_vecimg[0]->Transparency && AnimatedGifSet.m_vecimg[0]->Transparent >= 0)
        palette[AnimatedGifSet.m_vecimg[0]->Transparent].x = 0;

      pMap = new CTextureMap(strTextureName, iWidth, iHeight, AnimatedGifSet.nLoops);

      for (int iImage = 0; iImage < iImages; iImage++)
      {
        CTexture *glTexture = new CTexture();
        if (glTexture)
        {
          CAnimatedGif* pImage = AnimatedGifSet.m_vecimg[iImage];
          glTexture->LoadPaletted(pImage->Width, pImage->Height, pImage->BytesPerRow, XB_FMT_A8R8G8B8, (unsigned char *)pImage->Raster, palette);
          pMap->Add(glTexture, pImage->Delay);
        }
      } // of for (int iImage=0; iImage < iImages; iImage++)
    }

#ifdef _DEBUG
    int64_t end, freq;
    end = CurrentHostCounter();
    freq = CurrentHostFrequency();
    char temp[200];
    sprintf(temp, "Load %s: %.1fms%s\n", strPath.c_str(), 1000.f * (end - start) / freq, (bundle >= 0) ? " (bundled)" : "");
    OutputDebugString(temp);
#endif

    m_vecTextures.push_back(pMap);
    return 1;
  } // of if (strPath.Right(4).ToLower()==".gif")

  CBaseTexture *pTexture = NULL;
  int width = 0, height = 0;
  if (bundle >= 0)
  {
    if (FAILED(m_TexBundle[bundle].LoadTexture(strTextureName, &pTexture, width, height)))
    {
      CLog::Log(LOGERROR, "Texture manager unable to load bundled file: %s", strTextureName.c_str());
      return 0;
    }
  }
  else
  {
    pTexture = new CTexture();
    if(!pTexture->LoadFromFile(strPath))
      return 0;
    width = pTexture->GetWidth();
    height = pTexture->GetHeight();
  }

  if (!pTexture) return 0;

  CTextureMap* pMap = new CTextureMap(strTextureName, width, height, 0);
  pMap->Add(pTexture, 100);
  m_vecTextures.push_back(pMap);

#ifdef _DEBUG_TEXTURES
  int64_t end, freq;
  end = CurrentHostCounter();
  freq = CurrentHostFrequency();
  char temp[200];
  sprintf(temp, "Load %s: %.1fms%s\n", strPath.c_str(), 1000.f * (end - start) / freq, (bundle >= 0) ? " (bundled)" : "");
  OutputDebugString(temp);
#endif

  return 1;
}

//.........这里部分代码省略.........
#ifdef _DEBUG_TEXTURES
  int64_t start;
  start = CurrentHostCounter();
#endif

  if (StringUtils::EndsWithNoCase(strPath, ".gif"))
  {
    CTextureMap* pMap = nullptr;

    if (bundle >= 0)
    {
      CBaseTexture **pTextures;
      int nLoops = 0, width = 0, height = 0;
      int* Delay;
      int nImages = m_TexBundle[bundle].LoadAnim(strTextureName, &pTextures, width, height, nLoops, &Delay);
      if (!nImages)
      {
        CLog::Log(LOGERROR, "Texture manager unable to load bundled file: %s", strTextureName.c_str());
        delete [] pTextures;
        delete [] Delay;
        return emptyTexture;
      }

      pMap = new CTextureMap(strTextureName, width, height, nLoops);
      for (int iImage = 0; iImage < nImages; ++iImage)
      {
        pMap->Add(pTextures[iImage], Delay[iImage]);
      }

      delete [] pTextures;
      delete [] Delay;
    }
    else
    {
#if defined(HAS_GIFLIB)
      Gif gif;
      if(!gif.LoadGif(strPath.c_str()))
      {
        if (StringUtils::StartsWith(strPath, g_SkinInfo->Path()))
          CLog::Log(LOGERROR, "Texture manager unable to load file: %s", strPath.c_str());
        return emptyTexture;
      }

      pMap = new CTextureMap(strTextureName, gif.Width(), gif.Height(), gif.GetNumLoops());

      for (auto frame : gif.GetFrames())
      {
        CTexture *glTexture = new CTexture();
        if (glTexture)
        {
          glTexture->LoadFromMemory(gif.Width(), gif.Height(), gif.GetPitch(), XB_FMT_A8R8G8B8, false, frame->m_pImage);
          pMap->Add(glTexture, frame->m_delay);
        }
      }
#endif//HAS_GIFLIB
    }

    if (pMap)
    {
      m_vecTextures.push_back(pMap);
      return pMap->GetTexture();
    }
  } // of if (strPath.Right(4).ToLower()==".gif")

  CBaseTexture *pTexture = NULL;
  int width = 0, height = 0;
  if (bundle >= 0)
  {
    if (!m_TexBundle[bundle].LoadTexture(strTextureName, &pTexture, width, height))
    {
      CLog::Log(LOGERROR, "Texture manager unable to load bundled file: %s", strTextureName.c_str());
      return emptyTexture;
    }
  }
  else
  {
    pTexture = CBaseTexture::LoadFromFile(strPath);
    if (!pTexture)
      return emptyTexture;
    width = pTexture->GetWidth();
    height = pTexture->GetHeight();
  }

  if (!pTexture) return emptyTexture;

  CTextureMap* pMap = new CTextureMap(strTextureName, width, height, 0);
  pMap->Add(pTexture, 100);
  m_vecTextures.push_back(pMap);

#ifdef _DEBUG_TEXTURES
  int64_t end, freq;
  end = CurrentHostCounter();
  freq = CurrentHostFrequency();
  char temp[200];
  sprintf(temp, "Load %s: %.1fms%s\n", strPath.c_str(), 1000.f * (end - start) / freq, (bundle >= 0) ? " (bundled)" : "");
  OutputDebugString(temp);
#endif

  return pMap->GetTexture();
}

bool CWinSystemX11::CreateNewWindow(const CStdString& name, bool fullScreen, RESOLUTION_INFO& res, PHANDLE_EVENT_FUNC userFunction)
{
  RESOLUTION_INFO& desktop = g_settings.m_ResInfo[RES_DESKTOP];

  if (fullScreen &&
      (res.iWidth != desktop.iWidth || res.iHeight != desktop.iHeight ||
       res.fRefreshRate != desktop.fRefreshRate || res.iScreen != desktop.iScreen))
  {
    //on the first call to SDL_SetVideoMode, SDL stores the current displaymode
    //SDL restores the displaymode on SDL_QUIT(), if we change the displaymode
    //before the first call to SDL_SetVideoMode, SDL changes the displaymode back
    //to the wrong mode on exit

    CLog::Log(LOGINFO, "CWinSystemX11::CreateNewWindow initializing to desktop resolution first");
    if (!SetFullScreen(true, desktop, false))
      return false;
  }

  if(!SetFullScreen(fullScreen, res, false))
    return false;

  CBaseTexture* iconTexture = CTexture::LoadFromFile("special://xbmc/media/icon.png");

  if (iconTexture)
    SDL_WM_SetIcon(SDL_CreateRGBSurfaceFrom(iconTexture->GetPixels(), iconTexture->GetWidth(), iconTexture->GetHeight(), 32, iconTexture->GetPitch(), 0xff0000, 0x00ff00, 0x0000ff, 0xff000000L), NULL);
  SDL_WM_SetCaption("XBMC Media Center", NULL);
  delete iconTexture;

  // register XRandR Events
#if defined(HAS_XRANDR)
  int iReturn;
  XRRQueryExtension(m_dpy, &m_RREventBase, &iReturn);
  XRRSelectInput(m_dpy, m_wmWindow, RRScreenChangeNotifyMask);
#endif

  m_bWindowCreated = true;
  return true;
}