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Diffstat (limited to 'platform/windows/gsview/MainWindow.xaml.cs')
-rw-r--r--platform/windows/gsview/MainWindow.xaml.cs164
1 files changed, 141 insertions, 23 deletions
diff --git a/platform/windows/gsview/MainWindow.xaml.cs b/platform/windows/gsview/MainWindow.xaml.cs
index 6e6ee855..fd26a50b 100644
--- a/platform/windows/gsview/MainWindow.xaml.cs
+++ b/platform/windows/gsview/MainWindow.xaml.cs
@@ -153,6 +153,7 @@ 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 +206,15 @@ 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 +292,7 @@ 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;
@@ -308,12 +319,14 @@ namespace gsview
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 +362,7 @@ 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 +440,8 @@ namespace gsview
m_gsoutput.RealWindowClosing();
if (m_outputintents != null)
m_outputintents.RealWindowClosing();
+ if (m_printcontrol != null)
+ m_printcontrol.RealWindowClosing();
}
else
{
@@ -433,6 +449,8 @@ namespace gsview
m_gsoutput.Hide();
if (m_outputintents != null)
m_outputintents.Hide();
+ if (m_printcontrol != null)
+ m_printcontrol.Hide();
}
}
@@ -707,6 +725,12 @@ namespace gsview
if (m_password != null && m_password.IsActive)
m_password.Close();
+ if (m_printcontrol != null && m_printcontrol.IsActive)
+ {
+ m_printcontrol.Close();
+ m_printcontrol = null;
+ }
+
if (m_infowindow != null && m_infowindow.IsActive)
m_infowindow.Close();
@@ -1743,47 +1767,40 @@ 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)
@@ -4902,5 +4919,106 @@ 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);
+ }
}
} \ No newline at end of file
generated by cgit v1.2.3 (git 2.25.1) at 2025-03-23 06:07:30 +0000