diff options
Diffstat (limited to 'platform/windows/gsview/gsprintbg.cs')
| -rw-r--r-- | platform/windows/gsview/gsprintbg.cs | 261 |
1 files changed, 0 insertions, 261 deletions
diff --git a/platform/windows/gsview/gsprintbg.cs b/platform/windows/gsview/gsprintbg.cs deleted file mode 100644 index 199258e3..00000000 --- a/platform/windows/gsview/gsprintbg.cs +++ /dev/null @@ -1,261 +0,0 @@ -using System; -using System.Collections.Generic; -using System.Linq; -using System.Text; -using System.Threading.Tasks; -using System.ComponentModel; -using System.IO; -using System.IO.Packaging; -using System.Printing; -using System.Windows.Controls; -using System.Windows.Documents; -using System.Windows.Documents.Serialization; -using System.Windows.Media; -using System.Windows.Xps; -using System.Windows.Xps.Packaging; -using System.Windows.Xps.Serialization; -using System.Threading; - -namespace gsview -{ - public enum PrintStatus_t - { - PRINT_READY, - PRINT_BUSY, - PRINT_ERROR - }; - - public enum PrintResult_t - { - PrintOK, - PrintFAILED, - PrintCANCELLED, - PrintCOMPLETED - } - - public struct PrintParams_t - { - public int num_pages; - public int start_page; - public int end_page; - public PrintQueue queu; - public FixedDocumentSequence fixdoc; - public PrintResult_t result; - public PrintStatus_t status; - - }; - - public class PrintEventArgs : EventArgs - { - private PrintStatus_t m_status; - private PrintResult_t m_result; - private int m_percentdone; - - public PrintStatus_t Status - { - get { return m_status; } - } - - public PrintResult_t Result - { - get { return m_result; } - } - - public int Percent - { - get { return m_percentdone; } - } - - public PrintEventArgs(PrintStatus_t status, PrintResult_t completed, int percent) - { - m_status = status; - m_result = completed; - m_percentdone = percent; - } - } - - public class gsprintbg - { - BackgroundWorker m_worker; - private XpsDocumentWriter m_docWriter = null; - PrintParams_t m_pparams; - - internal delegate void PrintCallBackMain(object gsObject, PrintEventArgs info); - internal event PrintCallBackMain PrintUpdateMain; - - private void PrintProgressChanged(object sender, ProgressChangedEventArgs e) - { - /* Callback with progress */ - PrintEventArgs info = new PrintEventArgs(m_pparams.status, m_pparams.result, e.ProgressPercentage); - if (PrintUpdateMain != null) - PrintUpdateMain(this, info); - } - - /* Callback */ - private void PrintCompleted(object sender, RunWorkerCompletedEventArgs e) - { - PrintParams_t Value; - PrintEventArgs info; - PrintParams_t Params = (PrintParams_t)e.Result; - - if (e.Cancelled) - { - info = new PrintEventArgs(PrintStatus_t.PRINT_READY, PrintResult_t.PrintCANCELLED, 100); - } - else - { - Value = (PrintParams_t)e.Result; - info = new PrintEventArgs(PrintStatus_t.PRINT_READY, PrintResult_t.PrintCOMPLETED, 100); - } - PrintUpdateMain(this, info); - } - - - /* Show std. print dialog */ - public PrintDialog GetPrintDialog() - { - PrintDialog dlg = new PrintDialog(); - /* Current page and page ranges is going to require a little work */ - dlg.PageRangeSelection = PageRangeSelection.AllPages; - //dlg.UserPageRangeEnabled = true; - //dlg.CurrentPageEnabled = true; - dlg.SelectedPagesEnabled = false; - if (dlg.ShowDialog() == true) - return dlg; - return null; - } - - /* Main print entry point */ - private void Print(PrintParams_t pparams) - { - XpsDocumentWriter docwrite = GetDocWriter(pparams.queu); - docwrite.WritingPrintTicketRequired += - new WritingPrintTicketRequiredEventHandler(PrintTicket); - PrintPages(docwrite, pparams.fixdoc); - } - - /* Send it */ - private void PrintPages(XpsDocumentWriter xpsdw, FixedDocumentSequence fixdoc) - { - m_docWriter = xpsdw; - xpsdw.WritingCompleted += - new WritingCompletedEventHandler(AsyncCompleted); - xpsdw.WritingProgressChanged += - new WritingProgressChangedEventHandler(AsyncProgress); - xpsdw.WriteAsync(fixdoc); - } - - private void CancelAsync() - { - /* ick. This does not work in windows 8. causes crash */ - /* https://connect.microsoft.com/VisualStudio/feedback/details/778145/xpsdocumentwriter-cancelasync-cause-crash-in-win8 */ - m_docWriter.CancelAsync(); - } - - /* Done */ - private void AsyncCompleted(object sender, WritingCompletedEventArgs e) - { - if (e.Cancelled) - m_pparams.result = PrintResult_t.PrintCANCELLED; - else if (e.Error != null) - m_pparams.result = PrintResult_t.PrintFAILED; - else - m_pparams.result = PrintResult_t.PrintCOMPLETED; - m_worker.ReportProgress(100); - } - - /* Do this update with each fixed document (page) that is handled */ - private void AsyncProgress(object sender, WritingProgressChangedEventArgs e) - { - double perc = 100.0 * (double) e.Number / (double) m_pparams.num_pages; - m_worker.ReportProgress((int) perc); - } - - /* Print ticket handling. You can customize for PrintTicketLevel at - FixedDocumentSequencePrintTicket, FixedDocumentPrintTicket, - or FixedPagePrintTicket. We may want to play around with this some */ - private void PrintTicket(Object sender, WritingPrintTicketRequiredEventArgs e) - { - if (e.CurrentPrintTicketLevel == - PrintTicketLevel.FixedDocumentSequencePrintTicket) - { - PrintTicket pts = new PrintTicket(); - pts.PageOrientation = PageOrientation.Portrait; - e.CurrentPrintTicket = pts; - } - } - - /* Create the document write */ - private XpsDocumentWriter GetDocWriter(PrintQueue pq) - { - XpsDocumentWriter xpsdw = PrintQueue.CreateXpsDocumentWriter(pq); - return xpsdw; - } - - - private void PrintWork(object sender, DoWorkEventArgs e) - { - PrintParams_t PParams = (PrintParams_t)e.Argument; - BackgroundWorker worker = sender as BackgroundWorker; - - Print(PParams); - } - - public bool IsBusy() - { - if (m_worker != null) - return m_worker.IsBusy; - else - return false; - } - - public void PrintWorkThread(object data) - { - PrintParams_t PParams = (PrintParams_t) data; - Print(PParams); - } - - public PrintStatus_t StartPrint(PrintParams_t pparams) - { - try - { - if (m_worker != null && m_worker.IsBusy) - { - m_worker.CancelAsync(); - return PrintStatus_t.PRINT_BUSY; - } - - if (m_worker == null) - { - - Thread asyncThread = new Thread(PrintWorkThread); - asyncThread.SetApartmentState(ApartmentState.STA); - asyncThread.Start(pparams); - - /* m_worker = new BackgroundWorker(); - m_worker.WorkerReportsProgress = true; - m_worker.WorkerSupportsCancellation = true; - m_worker.RunWorkerCompleted += new RunWorkerCompletedEventHandler(PrintCompleted); - m_worker.ProgressChanged += new ProgressChangedEventHandler(PrintProgressChanged); - m_worker.DoWork += new DoWorkEventHandler(PrintWork);*/ - } - - ////m_pparams = pparams; - //m_worker.RunWorkerAsync(pparams); - pparams.status = PrintStatus_t.PRINT_BUSY; - return PrintStatus_t.PRINT_READY; - } - catch (OutOfMemoryException e) - { - Console.WriteLine("Memory allocation failed during printing\n"); - return PrintStatus_t.PRINT_ERROR; - } - } - - - public void Cancel() - { - m_worker.CancelAsync(); - } - } -} |