/* MuPDF Result*/
public void MuPDFResult(ConvertParams_t gs_result)
{
if (gs_result.result == GS_Result_t.gsCANCELLED)
{
xaml_MuPDFGrid.Visibility = System.Windows.Visibility.Collapsed;
return;
}
if (gs_result.result == GS_Result_t.gsFAILED)
{
xaml_MuPDFGrid.Visibility = System.Windows.Visibility.Collapsed;
ShowMessage(NotifyType_t.MESS_STATUS, "MuPDF Failed Conversion");
return;
}
ShowMessage(NotifyType_t.MESS_STATUS, "MuPDF Completed Conversion");
}
private void MuPDFProgressChanged(object sender, ProgressChangedEventArgs e)
{
/* Callback with progress */
ConvertParams_t Value = new ConvertParams_t();
muPDFEventArgs info = new muPDFEventArgs(false, e.ProgressPercentage, Value);
mupdfUpdateMain(this, info);
}
private void MuPDFCompleted(object sender, RunWorkerCompletedEventArgs e)
{
ConvertParams_t Value;
muPDFEventArgs info;
if (e.Cancelled)
{
Value = new ConvertParams_t();
Value.result = GS_Result_t.gsCANCELLED;
info = new muPDFEventArgs(true, 100, Value);
}
else
{
Value = (ConvertParams_t)e.Result;
info = new muPDFEventArgs(true, 100, Value);
}
mupdfUpdateMain(this, info);
}
/* Render page by page in background with progress call back */
private gsStatus ConvertMuPDF(ConvertParams_t Params)
{
try
{
if (m_worker != null && m_worker.IsBusy)
{
m_worker.CancelAsync();
return gsStatus.GS_BUSY;
}
if (m_worker == null)
{
m_worker = new BackgroundWorker();
m_worker.WorkerReportsProgress = true;
m_worker.WorkerSupportsCancellation = true;
m_worker.RunWorkerCompleted += new RunWorkerCompletedEventHandler(MuPDFCompleted);
m_worker.ProgressChanged += new ProgressChangedEventHandler(MuPDFProgressChanged);
m_worker.DoWork += new DoWorkEventHandler(MuPDFWork);
}
m_params = Params;
m_worker.RunWorkerAsync(Params);
return gsStatus.GS_READY;
}
catch (OutOfMemoryException e)
{
Console.WriteLine("Memory allocation failed during mupdf rendering\n");
return gsStatus.GS_ERROR;
}
}
public muPDFEventArgs(bool completed, int progress, ConvertParams_t param)
{
m_completed = completed;
m_progress = progress;
m_param = param;
}
public gsStatus ConvertSave(gsDevice_t device, String outputFile, int num_pages,
System.Collections.IList pages, int resolution)
{
ConvertParams_t convertparams = new ConvertParams_t();
convertparams.device = device;
convertparams.outputfile = outputFile;
convertparams.num_pages = num_pages;
convertparams.resolution = resolution;
convertparams.pages = pages;
convertparams.currpage = 1;
return ConvertMuPDF(convertparams);
}