private void SelectionMade(object gsObject, SelectEventArgs results)
{
switch (results.State)
{
case SelectStatus_t.CANCEL:
case SelectStatus_t.CLOSE:
m_selection = null;
return;
case SelectStatus_t.SELECT:
/* Get the information we need */
double zoom = results.ZoomFactor;
Point start = results.TopLeft;
Point size = results.Size;
int page = results.PageNum;
gsDevice_t Device = gsDevice_t.pdfwrite;
start.X = start.X / zoom;
start.Y = start.Y / zoom;
size.X = size.X / zoom;
size.Y = size.Y / zoom;
/* Do the actual extraction */
String options;
System.Windows.Forms.SaveFileDialog dlg = new System.Windows.Forms.SaveFileDialog();
dlg.FilterIndex = 1;
/* Get us set up to do a fixed size */
options = "-dFirstPage=" + page + " -dLastPage=" + page +
" -dDEVICEWIDTHPOINTS=" + size.X + " -dDEVICEHEIGHTPOINTS=" +
size.Y + " -dFIXEDMEDIA";
/* Set up the translation */
String init_string = "<</Install {-" + start.X + " -" +
start.Y + " translate (testing) == flush}>> setpagedevice";
switch (results.Type)
{
case Extract_Type_t.PDF:
dlg.Filter = "PDF Files(*.pdf)|*.pdf";
break;
case Extract_Type_t.EPS:
dlg.Filter = "EPS Files(*.eps)|*.eps";
Device = gsDevice_t.eps2write;
break;
case Extract_Type_t.PS:
dlg.Filter = "PostScript Files(*.ps)|*.ps";
Device = gsDevice_t.ps2write;
break;
case Extract_Type_t.SVG:
dlg.Filter = "SVG Files(*.svg)|*.svg";
break;
}
if (dlg.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
if (m_ghostscript.Convert(m_currfile, options,
Enum.GetName(typeof(gsDevice_t), Device),
dlg.FileName, 1, 300, false, null, page, page,
null, init_string) == gsStatus.GS_BUSY)
{
ShowMessage(NotifyType_t.MESS_STATUS, "GS busy");
return;
}
}
m_selection.Close();
break;
case SelectStatus_t.ZOOMIN:
/* Render new page at this resolution and hand it off */
SelectionZoom(results.PageNum - 1, results.ZoomFactor);
break;
case SelectStatus_t.ZOOMOUT:
/* Render new page at this resolution and hand it off */
SelectionZoom(results.PageNum - 1, results.ZoomFactor);
break;
}
}
public MainWindow()
{
InitializeComponent();
this.Closing += new System.ComponentModel.CancelEventHandler(Window_Closing);
m_file_open = false;
m_regstartup = true;
m_showannot = true;
/* Allocations and set up */
try
{
m_docPages = new Pages();
m_thumbnails = new List<DocPage>();
m_lineptrs = new List<LinesText>();
m_textptrs = new List<BlocksText>();
m_textset = new List<Boolean>();
m_ghostscript = new ghostsharp();
m_ghostscript.gsUpdateMain += new ghostsharp.gsCallBackMain(gsProgress);
m_gsoutput = new gsOutput();
m_gsoutput.Activate();
m_outputintents = new OutputIntent();
m_outputintents.Activate();
m_ghostscript.gsIOUpdateMain += new ghostsharp.gsIOCallBackMain(gsIO);
m_ghostscript.gsDLLProblemMain += new ghostsharp.gsDLLProblem(gsDLL);
m_convertwin = null;
m_extractwin = null;
m_selection = null;
xaml_ZoomSlider.AddHandler(MouseLeftButtonUpEvent, new MouseButtonEventHandler(ZoomReleased), true);
xaml_PageList.AddHandler(Grid.DragOverEvent, new System.Windows.DragEventHandler(Grid_DragOver), true);
xaml_PageList.AddHandler(Grid.DropEvent, new System.Windows.DragEventHandler(Grid_Drop), true);
DimSelections();
status_t result = CleanUp();
string[] arguments = Environment.GetCommandLineArgs();
if (arguments.Length > 1)
{
string filePath = arguments[1];
ProcessFile(filePath);
}
else
{
if (m_regstartup)
InitFromRegistry();
}
}
catch (OutOfMemoryException e)
{
Console.WriteLine("Memory allocation failed at initialization\n");
ShowMessage(NotifyType_t.MESS_ERROR, "Out of memory: " + e.Message);
}
}
private void Extract(Extract_Type_t type)
{
if (m_selection != null || !m_init_done)
return;
m_selection = new Selection(m_currpage + 1, m_doczoom, type);
m_selection.UpdateMain += new Selection.CallBackMain(SelectionMade);
m_selection.Show();
m_selection.xaml_Image.Source = m_docPages[m_currpage].BitMap;
m_selection.xaml_Image.Height = m_docPages[m_currpage].Height;
m_selection.xaml_Image.Width = m_docPages[m_currpage].Width;
}
