/// <summary>
/// Constructor
/// </summary>
public FileConverter(InstancesManager.ConversionType inConvertionType)
{
m_GhostscriptWrapper = null;
m_ConversionType = inConvertionType;
m_NumConcurrentConversions = 0;
m_LastRunSuccedded = true;
}
/// <summary>
/// Initialize GhostscriptWrapper with relevant parameters for EPS2LowResPDF conversion.
/// </summary>
public void InitEPS2LowResPDFConversion()
{
Cleanup();
// Parameters creation.
List <string> parameters = new List <string>();
parameters.Add("this is gs command .exe name"); // Ghostscript exe command.
parameters.Add("-dNOPAUSE"); // Do not prompt and pause for each page
//parameters.Add("-dPDFSETTINGS=/screen");
parameters.Add("-sDEVICE=pdfwrite"); // Device name.
parameters.Add("-dEPSFitPage");
parameters.Add("-dEPSCrop");
parameters.Add("-r72x72");
parameters.Add("-dDownsampleColorImages=true");
parameters.Add("-dDownsampleGrayImages=true");
parameters.Add("-dDownsampleMonoImages=true");
parameters.Add("-dColorImageResolution=72");
parameters.Add("-dGrayImageResolution=72");
parameters.Add("-dMonoImageResolution=72");
parameters.Add("-dCompatibilityLevel=1.4");
parameters.Add("-dDetectDuplicateImages=true");
parameters.Add("-dAutoRotatePages=/None");
parameters.Add("-sOutputFile=" + "rip2image_junk_helper"); // we must set the output at init stage, so we put a junk file, just for the init to successed
// Create the Ghostscript wrapper.
m_GhostscriptWrapper = new GhostscriptWrapper();
m_GhostscriptWrapper.Init(parameters.ToArray());
}
/// <summary>
/// Cleanup GhostscriptWrapper.
/// </summary>
public void Cleanup()
{
m_NumConcurrentConversions = 0;
if (m_GhostscriptWrapper != null)
{
m_GhostscriptWrapper.Cleanup();
m_GhostscriptWrapper = null;
}
}
/// <summary>
/// Delete dynamic loading dlls and their directory.
/// </summary>
static public void DeleteDynamicLoadingDLL()
{
// Cleanup converter instances, which also delete their dll file member.
FileConverter fileConverter;
foreach (ConversionType type in Enum.GetValues(typeof(ConversionType)))
{
while (GetConverterInstancesByType(type).TryTake(out fileConverter))
{
fileConverter.Cleanup();
}
}
// Delete dlls's directory
GhostscriptWrapper.DeleteDllDirectory();
}
/// <summary>
/// Initialize GhostscriptWrapper with relevant parameters for PDF2JPG conversion.
/// </summary>
public void InitPDF2JPGConversion()
{
Cleanup();
// Parameters creation.
List <string> parameters = new List <string>();
parameters.Add("this is gs command .exe name"); // Ghostscript exe command.
parameters.Add("-dNOPAUSE"); // Do not prompt and pause for each page
parameters.Add("-sDEVICE=jpeg"); // what kind of export format i should provide.
parameters.Add("-dDOINTERPOLATE");
// Create the Ghostscript wrapper.
m_GhostscriptWrapper = new GhostscriptWrapper();
m_GhostscriptWrapper.Init(parameters.ToArray());
}
/// <summary>
/// Initialize GhostscriptWrapper with relevant parameters for PDF2PNGSingle conversion.
/// This method convert only the first page of the PDF to PNG.
/// </summary>
public void InitPDF2PNGSingleConversion()
{
Cleanup();
// Parameters creation.
List <string> parameters = new List <string>();
parameters.Add("this is gs command .exe name"); // Ghostscript exe command.
parameters.Add("-dNOPAUSE"); // Do not prompt and pause for each page
parameters.Add("-dFirstPage=1"); // Convert only the first page of the PDF to PNG.
parameters.Add("-dLastPage=1"); // Convert only the first page of the PDF to PNG.
parameters.Add("-sDEVICE=pngalpha"); // what kind of export format i should provide, in this case "pngalpha" for transparent PNG.
parameters.Add("-dDOINTERPOLATE");
parameters.Add("-sOutputFile=" + "rip2image_junk_helper"); // we must set the output at init stage, so we put a junk file, just for the init to successed
// Create the Ghostscript wrapper.
m_GhostscriptWrapper = new GhostscriptWrapper();
m_GhostscriptWrapper.Init(parameters.ToArray());
}
/// <summary>
/// Convert PDF to EPS.
/// </summary>
/// <param name="inPathFileToConvert"></param>
/// <param name="inOutputFileFullPath"></param>
/// <param name="inFirstPageToConvert"></param>
/// <param name="inLastPageToConvert"></param>
/// <returns></returns>
public bool ConvertPDF2EPS(string inPathFileToConvert, string inOutputFileFullPath, double inFirstPageToConvert, double inLastPageToConvert)
{
// Parameters creation.
List <string> parameters = new List <string>();
parameters.Add("this is gs command .exe name"); // Ghostscript exe command.
parameters.Add("-dNOPAUSE"); // Do not prompt and pause for each page
parameters.Add("-dBATCH"); // Terminate when accomplish.
parameters.Add("-dFirstPage=" + Convert.ToInt32(inFirstPageToConvert)); // First page to convert in the PDF.
parameters.Add("-dLastPage=" + Convert.ToInt32(inLastPageToConvert)); // Last page to convert in the PDF.
parameters.Add("-sDEVICE=eps2write"); // Device name.
parameters.Add("-sOutputFile=" + inOutputFileFullPath); // Where to write the output.
parameters.Add(inPathFileToConvert); // File to convert.
// Create the Ghostscript wrapper.
m_GhostscriptWrapper = new GhostscriptWrapper();
bool convertResult = m_GhostscriptWrapper.Init(parameters.ToArray());
Cleanup();
return(convertResult);
}
