C++ (Cpp) DllImageLib::CreateThumbnailの例

コード例 #1

bool CPicture::CacheImage(const CStdString& sourceUrl, const CStdString& destFile, int width, int height)
{
  if (width > 0 && height > 0)
  {
    CLog::Log(LOGINFO, "Caching image from: %s to %s with width %i and height %i", sourceUrl.c_str(), destFile.c_str(), width, height);
    
    DllImageLib dll;
    if (!dll.Load()) return false;

    if (URIUtils::IsInternetStream(sourceUrl, true))
    {
      CCurlFile http;
      CStdString data;
      if (http.Get(sourceUrl, data))
      {
        if (!dll.CreateThumbnailFromMemory((BYTE *)data.c_str(), data.GetLength(), URIUtils::GetExtension(sourceUrl).c_str(), destFile.c_str(), width, height))
        {
          CLog::Log(LOGERROR, "%s Unable to create new image %s from image %s", __FUNCTION__, destFile.c_str(), sourceUrl.c_str());
          return false;
        }
        return true;
      }
      return false;
    }

    if (!dll.CreateThumbnail(sourceUrl.c_str(), destFile.c_str(), width, height, g_guiSettings.GetBool("pictures.useexifrotation")))
    {
      CLog::Log(LOGERROR, "%s Unable to create new image %s from image %s", __FUNCTION__, destFile.c_str(), sourceUrl.c_str());
      return false;
    }
    return true;
  }
  else
  {
    CLog::Log(LOGINFO, "Caching image from: %s to %s", sourceUrl.c_str(), destFile.c_str());
    return CFile::Cache(sourceUrl, destFile);
  }
}