| public Process ( string Package_Directory, string BibID, string VID, string TifFiles, long ParentLogId ) : bool | ||
| Package_Directory | string | Directory for the package |
| BibID | string | Bibliographic id for the item to derive images for |
| VID | string | Volume id for the item to derive images for |
| TifFiles | string | List of TIFF files |
| ParentLogId | long | Primary key to the parent log entery if this is performed by the builder |
| return | bool | |
/// <summary> Creates all the image derivative files from original jpeg and tiff files </summary>
/// <param name="Resource"> Incoming digital resource object </param>
/// <returns> TRUE if processing can continue, FALSE if a critical error occurred which should stop all processing </returns>
public override bool DoWork(Incoming_Digital_Resource Resource)
{
returnValue = true;
string resourceFolder = Resource.Resource_Folder;
string bibID = Resource.BibID;
string vid = Resource.VID;
string imagemagick_executable = MultiInstance_Builder_Settings.ImageMagick_Executable;
// Are there images that need to be processed here?
if (!String.IsNullOrEmpty(imagemagick_executable))
{
// Get the list of jpeg and tiff files
string[] jpeg_files = Directory.GetFiles(resourceFolder, "*.jpg");
string[] tiff_files = Directory.GetFiles(resourceFolder, "*.tif");
// Only continue if some exist
if ((jpeg_files.Length > 0) || (tiff_files.Length > 0))
{
string startupPath = Path.GetDirectoryName(Assembly.GetCallingAssembly().Location);
if (startupPath == null)
{
OnError("Unable to find the startup path in CreateImageDerivativesModule!", String.Empty, String.Empty, -1);
return false;
}
string kakadu_path = Path.Combine(startupPath, "Kakadu");
// Create the image process object for creating
Image_Derivative_Creation_Processor imageProcessor = new Image_Derivative_Creation_Processor(imagemagick_executable, kakadu_path, true, true, Settings.Resources.JPEG_Width, Settings.Resources.JPEG_Height, false, Settings.Resources.Thumbnail_Width, Settings.Resources.Thumbnail_Height, null);
imageProcessor.New_Task_String += imageProcessor_New_Task_String;
imageProcessor.Error_Encountered += imageProcessor_Error_Encountered;
// Step through the JPEGS and ensure they have thumbnails (TIFF generation below makes them as well)
if (jpeg_files.Length > 0)
{
foreach (string jpegFile in jpeg_files)
{
FileInfo jpegFileInfo = new FileInfo(jpegFile);
string name = jpegFileInfo.Name.ToUpper();
if ((name.IndexOf("THM.JPG") < 0) && (name.IndexOf(".QC.JPG") < 0))
{
string name_sans_extension = jpegFileInfo.Name.Replace(jpegFileInfo.Extension, "");
if (!File.Exists(resourceFolder + "\\" + name_sans_extension + "thm.jpg"))
{
imageProcessor.ImageMagick_Create_JPEG(jpegFile, resourceFolder + "\\" + name_sans_extension + "thm.jpg", Settings.Resources.Thumbnail_Width, Settings.Resources.Thumbnail_Height, Resource.BuilderLogId, Resource.BibID + ":" + Resource.VID);
}
}
}
}
// Step through any TIFFs as well
if (tiff_files.Length > 0)
{
// Do a complete image derivative creation process on these TIFF files
imageProcessor.Process(resourceFolder, bibID, vid, tiff_files, Resource.BuilderLogId);
// Since we are actually creating page images here (most likely) try to add
// them to the package as well
foreach (string thisTiffFile in tiff_files)
{
// Get the name of the tiff file
FileInfo thisTiffFileInfo = new FileInfo(thisTiffFile);
string tiffFileName = thisTiffFileInfo.Name.Replace(thisTiffFileInfo.Extension, "");
// Get matching files
string[] matching_files = Directory.GetFiles(resourceFolder, tiffFileName + ".*");
// Now, step through all these files
foreach (string derivativeFile in matching_files)
{
// If this is a page image type file, add it
FileInfo derivativeFileInfo = new FileInfo(derivativeFile);
if (Settings.Page_Image_Extensions.Contains(derivativeFileInfo.Extension.ToUpper().Replace(".", "")))
Resource.NewImageFiles.Add(derivativeFileInfo.Name);
}
}
}
}
}
return returnValue;
}
