diff options
Diffstat (limited to 'platform/windows/gsview/MainWindow.xaml.cs')
| -rw-r--r-- | platform/windows/gsview/MainWindow.xaml.cs | 210 |
1 files changed, 181 insertions, 29 deletions
diff --git a/platform/windows/gsview/MainWindow.xaml.cs b/platform/windows/gsview/MainWindow.xaml.cs index 6e6ee855..0ca822e9 100644 --- a/platform/windows/gsview/MainWindow.xaml.cs +++ b/platform/windows/gsview/MainWindow.xaml.cs @@ -21,6 +21,9 @@ using System.Printing; using System.Windows.Markup; using System.Runtime.InteropServices; using Microsoft.Win32; /* For registry */ +using System.Reflection; +using System.Diagnostics; + public enum AA_t { @@ -153,6 +156,7 @@ static class Constants public const int SCROLL_EDGE_BUFFER = 90; public const int VERT_SCROLL_STEP = 48; public const int PAGE_MARGIN = 1; + public const int MAX_PRINT_PREVIEW_LENGTH = 250; } public static class DocumentTypes @@ -205,6 +209,15 @@ namespace gsview public int num_rects; } + public struct printPreviewPage_t + { + public Byte[] bitmap; + public int width; + public int height; + public double width_inches; + public double height_inches; + } + public struct textSelectInfo_t { public int pagenum; @@ -282,6 +295,7 @@ namespace gsview List<DocPage> m_thumbnails; List<List<RectList>> m_page_link_list = null; IList<RectList> m_text_list; + DocPage m_PrintPreviewPage; public List<LinesText> m_lineptrs = null; public List<BlocksText> m_textptrs = null; List<Boolean> m_textset = null; @@ -304,16 +318,19 @@ namespace gsview String m_origfile; private gsprint m_ghostprint = null; bool m_isXPS; + bool m_isImage; gsOutput m_gsoutput; Convert m_convertwin; PageExtractSave m_extractwin; Password m_password = null; + PrintControl m_printcontrol = null; String m_currpassword = null; BackgroundWorker m_thumbworker = null; BackgroundWorker m_textsearch = null; BackgroundWorker m_linksearch = null; BackgroundWorker m_openfile = null; BackgroundWorker m_initrender = null; + BackgroundWorker m_printerpreview = null; BackgroundWorker m_copytext = null; String m_document_type; Info m_infowindow; @@ -349,6 +366,7 @@ namespace gsview { m_docPages = new Pages(); m_thumbnails = new List<DocPage>(); + m_PrintPreviewPage = new DocPage(); m_lineptrs = new List<LinesText>(); m_textptrs = new List<BlocksText>(); m_textset = new List<Boolean>(); @@ -426,6 +444,8 @@ namespace gsview m_gsoutput.RealWindowClosing(); if (m_outputintents != null) m_outputintents.RealWindowClosing(); + if (m_printcontrol != null) + m_printcontrol.RealWindowClosing(); } else { @@ -433,6 +453,8 @@ namespace gsview m_gsoutput.Hide(); if (m_outputintents != null) m_outputintents.Hide(); + if (m_printcontrol != null) + m_printcontrol.Hide(); } } @@ -493,7 +515,7 @@ namespace gsview xaml_extractselection.IsEnabled = false; xaml_conversions.IsEnabled = false; xaml_gsmessage.IsEnabled = false; - xaml_print.IsEnabled = false; + xaml_print_menu.IsEnabled = false; xaml_view.IsEnabled = false; xaml_edit.IsEnabled = false; } @@ -558,6 +580,7 @@ namespace gsview m_links_on = false; m_doczoom = 1.0; m_isXPS = false; + m_isImage = false; //xaml_CancelThumb.IsEnabled = true; m_currpage = 0; m_ignorescrollchange = false; @@ -579,12 +602,23 @@ namespace gsview return result; } + private String GetVersion() + { + Assembly assembly = Assembly.GetExecutingAssembly(); + FileVersionInfo fileVersionInfo = FileVersionInfo.GetVersionInfo(assembly.Location); + String vers = fileVersionInfo.ProductVersion; + String[] parts = vers.Split('.'); + String simple_vers = parts[0] + '.' + parts[1]; + return simple_vers; + } + /* Initialize from registry */ private void InitFromRegistry() { RegistryKey key = Registry.CurrentUser.CreateSubKey("Software"); RegistryKey keyA = key.CreateSubKey("Artifex Software"); - RegistryKey keygs = keyA.CreateSubKey("GSview 6.0"); + String vers = GetVersion(); + RegistryKey keygs = keyA.CreateSubKey("gsview " + vers); String filepath = null; Int32 page; AA_t aa = AA_t.HIGH; @@ -622,7 +656,8 @@ namespace gsview RegistryKey key = Registry.CurrentUser.CreateSubKey("Software"); RegistryKey keyA = key.CreateSubKey("Artifex Software"); - RegistryKey keygs = keyA.CreateSubKey("GSview 6.0"); + String vers = GetVersion(); + RegistryKey keygs = keyA.CreateSubKey("gsview " + vers); if (m_origfile != null && (m_document_type == DocumentTypes.PS || m_document_type == DocumentTypes.EPS)) @@ -707,6 +742,13 @@ namespace gsview if (m_password != null && m_password.IsActive) m_password.Close(); + if (m_printcontrol != null && m_printcontrol.IsActive) + m_printcontrol.Close(); + + /* Release the print control regardless of it being opened. + We don't want previous documents pages in the preview */ + m_printcontrol = null; + if (m_infowindow != null && m_infowindow.IsActive) m_infowindow.Close(); @@ -794,6 +836,9 @@ namespace gsview /* Set if this is already xps for printing */ if (extension.ToUpper() == ".XPS" || extension.ToUpper() == ".OXPS") m_isXPS = true; + if (extension.ToUpper() == ".CBZ" || extension.ToUpper() == ".PNG" || + extension.ToUpper() == ".JPG") + m_isImage = true; OpenFile2(FileName); } @@ -980,11 +1025,25 @@ namespace gsview xaml_extractselection.IsEnabled = true; xaml_conversions.IsEnabled = true; xaml_gsmessage.IsEnabled = true; - xaml_print.IsEnabled = true; + xaml_print_menu.IsEnabled = true; xaml_view.IsEnabled = true; xaml_edit.IsEnabled = true; - if (m_isXPS) + if (m_isXPS || m_isImage) DisabletoPDF(); + if (m_isImage) + { + xaml_Print.IsEnabled = false; + xaml_print_menu.IsEnabled = false; + xaml_Print.Opacity = 0.5; + xaml_print_menu.Opacity = 0.5; + } + else + { + xaml_Print.IsEnabled = true; + xaml_print_menu.IsEnabled = true; + xaml_Print.Opacity = 1.0; + xaml_print_menu.Opacity = 1.0; + } xaml_OpenProgressGrid.Visibility = System.Windows.Visibility.Collapsed; xaml_VerticalScroll.Visibility = System.Windows.Visibility.Visible; xaml_VerticalScroll.Value = 0; @@ -1743,47 +1802,40 @@ namespace gsview if (!m_file_open) return; - /* If file is already xps then gs need not do this */ - if (!m_isXPS) + if (m_printcontrol == null) { - xaml_DistillProgress.Value = 0; - if (m_ghostscript.CreateXPS(m_currfile, Constants.DEFAULT_GS_RES, m_num_pages) == gsStatus.GS_BUSY) - { - ShowMessage(NotifyType_t.MESS_STATUS, "GS currently busy"); - return; - } - else - { - /* Right now this is not possible to cancel due to the way - * that gs is run for xpswrite from pdf */ - xaml_CancelDistill.Visibility = System.Windows.Visibility.Collapsed; - xaml_DistillName.Text = "Convert to XPS"; - xaml_DistillName.FontWeight = FontWeights.Bold; - xaml_DistillGrid.Visibility = System.Windows.Visibility.Visible; - } + m_printcontrol = new PrintControl(m_num_pages, m_currpage); + m_printcontrol.PrintDiagUpdatePreview += new PrintControl.PrintDiagCallBackPreview(PrintDiagUpdatePreview); + m_printcontrol.PrintDiagPrint += new PrintControl.PrintDiagCallBackPrint(PrintDiagPrint); + m_printcontrol.PrintDLLProblemMain += new PrintControl.PrintDLLProblem(gsDLL); + m_printcontrol.Activate(); + m_printcontrol.Show(); /* Makes it modal */ + PrintDiagEventArgs args = new PrintDiagEventArgs(0); + PrintDiagUpdatePreview(null, args); } else - PrintXPS(m_currfile); + m_printcontrol.Show(); + return; } private void PrintXPS(String file) { gsprint ghostprint = new gsprint(); - System.Windows.Controls.PrintDialog pDialog = ghostprint.GetPrintDialog(); - if (pDialog == null) - return; /* We have to create the XPS document on a different thread */ XpsDocument xpsDocument = new XpsDocument(file, FileAccess.Read); FixedDocumentSequence fixedDocSeq = xpsDocument.GetFixedDocumentSequence(); - PrintQueue printQueue = pDialog.PrintQueue; + System.Windows.Size temp = new Size(200, 200); + fixedDocSeq.DocumentPaginator.PageSize = temp; + + PrintQueue printq = m_printcontrol.m_selectedPrinter; m_ghostprint = ghostprint; xaml_PrintGrid.Visibility = System.Windows.Visibility.Visible; xaml_PrintProgress.Value = 0; - ghostprint.Print(printQueue, fixedDocSeq); + ghostprint.Print(printq, fixedDocSeq, m_printcontrol); } private void PrintProgress(object printHelper, gsPrintEventArgs Information) @@ -1963,7 +2015,7 @@ namespace gsview private void ExtractPages(object sender, RoutedEventArgs e) { - if (!m_init_done || m_isXPS) + if (!m_init_done || m_isXPS || m_isImage) return; if (m_extractwin == null || !m_extractwin.IsActive) @@ -4902,5 +4954,105 @@ namespace gsview m_showannot = false; RenderRange(m_currpage, false, zoom_t.NO_ZOOM, 0); } + + /* Print preview rendering and control */ + private void RenderPrintPreview(object sender, DoWorkEventArgs e) + { + BackgroundWorker worker = sender as BackgroundWorker; + List<object> genericlist = e.Argument as List<object>; + int k = (int)genericlist[0]; + int desiredMax = Constants.MAX_PRINT_PREVIEW_LENGTH; + + Point ras_size; + double scale_factor = 1.0; + Byte[] bitmap; + BlocksText charlist; + status_t code; + Annotate_t annot; + + if (ComputePageSize(k, scale_factor, out ras_size) == status_t.S_ISOK) + { + /* Adjust the scale factor to ensure max length is set as desired */ + int maxSize = Math.Max((int)ras_size.X, (int)ras_size.Y); + scale_factor = (double)desiredMax / (double)maxSize; + ComputePageSize(k, scale_factor, out ras_size); + printPreviewPage_t result; + + try + { + bitmap = new byte[(int)ras_size.X * (int)ras_size.Y * 4]; + code = (status_t)mu_doc.RenderPage(k, bitmap, (int)ras_size.X, + (int)ras_size.Y, scale_factor, false, true, + false, out charlist, m_showannot, out annot); + result.width = (int)ras_size.X; + result.height = (int)ras_size.Y; + result.bitmap = bitmap; + ComputePageSize(k, 1.0, out ras_size); + result.height_inches = ras_size.Y / 72.0; + result.width_inches = ras_size.X / 72.0; + e.Result = result; + } + catch (OutOfMemoryException em) + { + Console.WriteLine("Memory allocation failed print preview page " + k + em.Message + "\n"); + } + } + } + + private void RenderPrintPreviewCompleted(object sender, RunWorkerCompletedEventArgs e) + { + BitmapSource BitMapSrc; + printPreviewPage_t Result = (printPreviewPage_t)e.Result; + + int stride = Result.width * 4; + BitMapSrc = BitmapSource.Create(Result.width, Result.height, + 72, 72, PixelFormats.Pbgra32, BitmapPalettes.Halftone256, Result.bitmap, stride); + + m_printcontrol.SetImage(BitMapSrc, Result.height_inches, Result.width_inches); + } + + private bool PrintDiagUpdatePreview(object PrintDiag, PrintDiagEventArgs args) + { + try + { + m_printerpreview = new BackgroundWorker(); + m_printerpreview.WorkerReportsProgress = false; + m_printerpreview.WorkerSupportsCancellation = false; + m_printerpreview.DoWork += new DoWorkEventHandler(RenderPrintPreview); + m_printerpreview.RunWorkerCompleted += new RunWorkerCompletedEventHandler(RenderPrintPreviewCompleted); + var arguments = new List<object>(); + arguments.Add(args.m_page); + m_printerpreview.RunWorkerAsync(arguments); + } + catch (OutOfMemoryException e) + { + Console.WriteLine("Memory allocation failed during printpreview render\n"); + ShowMessage(NotifyType_t.MESS_ERROR, "Out of memory: " + e.Message); + } + return true; + } + + private void PrintDiagPrint(object PrintDiag) + { + /* If file is already xps then gs need not do this */ + if (!m_isXPS) + { + xaml_DistillProgress.Value = 0; + if (m_ghostscript.CreateXPS(m_currfile, Constants.DEFAULT_GS_RES, m_num_pages, m_printcontrol) == gsStatus.GS_BUSY) + { + ShowMessage(NotifyType_t.MESS_STATUS, "GS currently busy"); + return; + } + else + { + xaml_CancelDistill.Visibility = System.Windows.Visibility.Collapsed; + xaml_DistillName.Text = "Convert to XPS"; + xaml_DistillName.FontWeight = FontWeights.Bold; + xaml_DistillGrid.Visibility = System.Windows.Visibility.Visible; + } + } + else + PrintXPS(m_currfile); + } } }
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