]> git.saurik.com Git - wxWidgets.git/blobdiff - src/generic/printps.cpp
Ensure there is valid context for DrawRectangle
[wxWidgets.git] / src / generic / printps.cpp
index f64a03b5e4dfd75716eeba66842159ca9cf55629..a264bdabc5633a6aae5a4eab1b1a02557d043658 100644 (file)
 /////////////////////////////////////////////////////////////////////////////
-// Name:        printps.cpp
+// Name:        src/generic/printps.cpp
 // Purpose:     Postscript print/preview framework
 // Author:      Julian Smart
 // Modified by:
 // Created:     04/01/98
 // RCS-ID:      $Id$
-// Copyright:   (c) Julian Smart and Markus Holzem
-// Licence:    wxWindows license
+// Copyright:   (c) Julian Smart
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#ifdef __GNUG__
-#pragma implementation "printps.h"
-#endif
-
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 #ifdef __BORLANDC__
-#pragma hdrstop
+    #pragma hdrstop
 #endif
 
-#include "wx/defs.h"
+// ============================================================================
+// declarations
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
+#if wxUSE_PRINTING_ARCHITECTURE && wxUSE_POSTSCRIPT && (!defined(__WXMSW__) || wxUSE_POSTSCRIPT_ARCHITECTURE_IN_MSW)
 
 #ifndef WX_PRECOMP
-#include "wx/utils.h"
-#include "wx/dc.h"
-#include "wx/app.h"
-#include "wx/msgdlg.h"
-#include <wx/intl.h>
+    #include "wx/utils.h"
+    #include "wx/dc.h"
+    #include "wx/app.h"
+    #include "wx/msgdlg.h"
+    #include "wx/intl.h"
+    #include "wx/progdlg.h"
+    #include "wx/log.h"
+    #include "wx/dcprint.h"
 #endif
 
 #include "wx/generic/printps.h"
-#include "wx/dcprint.h"
 #include "wx/printdlg.h"
 #include "wx/generic/prntdlgg.h"
+#include "wx/progdlg.h"
 #include "wx/paper.h"
 
 #include <stdlib.h>
 
-#if !USE_SHARED_LIBRARY
-IMPLEMENT_DYNAMIC_CLASS(wxPostScriptPrinter, wxPrinterBase)
-IMPLEMENT_CLASS(wxPostScriptPrintPreview, wxPrintPreviewBase)
-#endif
+// ----------------------------------------------------------------------------
+// wxWin macros
+// ----------------------------------------------------------------------------
 
-/*
-* Printer
-*/
+    IMPLEMENT_DYNAMIC_CLASS(wxPostScriptPrinter, wxPrinterBase)
+    IMPLEMENT_CLASS(wxPostScriptPrintPreview, wxPrintPreviewBase)
 
-wxPostScriptPrinter::wxPostScriptPrinter(wxPrintDialogData *data):
-wxPrinterBase(data)
+// ============================================================================
+// implementation
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// Printer
+// ----------------------------------------------------------------------------
+
+wxPostScriptPrinter::wxPostScriptPrinter(wxPrintDialogData *data)
+                   : wxPrinterBase(data)
 {
 }
 
-wxPostScriptPrinter::~wxPostScriptPrinter(void)
+wxPostScriptPrinter::~wxPostScriptPrinter()
 {
 }
 
 bool wxPostScriptPrinter::Print(wxWindow *parent, wxPrintout *printout, bool prompt)
 {
-    sm_abortIt = FALSE;
-    sm_abortWindow = (wxWindow *) NULL;
-    
-    if (!printout)
-        return FALSE;
-    
-    printout->SetIsPreview(FALSE);
-    printout->OnPreparePrinting();
-    
-    // Get some parameters from the printout, if defined
-    int fromPage, toPage;
-    int minPage, maxPage;
-    printout->GetPageInfo(&minPage, &maxPage, &fromPage, &toPage);
-    
-    if (maxPage == 0)
-        return FALSE;
-    
-    m_printDialogData.SetMinPage(minPage);
-    m_printDialogData.SetMaxPage(maxPage);
-    if (fromPage != 0)
-        m_printDialogData.SetFromPage(fromPage);
-    if (toPage != 0)
-        m_printDialogData.SetToPage(toPage);
+    sm_abortIt = false;
+    sm_abortWindow = NULL;
 
-    if (minPage != 0)
+    if (!printout)
     {
-        m_printDialogData.EnablePageNumbers(TRUE);
-        if (m_printDialogData.GetFromPage() < m_printDialogData.GetMinPage())
-            m_printDialogData.SetFromPage(m_printDialogData.GetMinPage());
-        else if (m_printDialogData.GetFromPage() > m_printDialogData.GetMaxPage())
-            m_printDialogData.SetFromPage(m_printDialogData.GetMaxPage());
-        if (m_printDialogData.GetToPage() > m_printDialogData.GetMaxPage())
-            m_printDialogData.SetToPage(m_printDialogData.GetMaxPage());
-        else if (m_printDialogData.GetToPage() < m_printDialogData.GetMinPage())
-            m_printDialogData.SetToPage(m_printDialogData.GetMinPage());
+        sm_lastError = wxPRINTER_ERROR;
+        return false;
     }
-    else
-        m_printDialogData.EnablePageNumbers(FALSE);
 
-    // Create a suitable device context  
-    wxDC *dc = (wxDC *) NULL;
+    if (m_printDialogData.GetMinPage() < 1)
+        m_printDialogData.SetMinPage(1);
+    if (m_printDialogData.GetMaxPage() < 1)
+        m_printDialogData.SetMaxPage(9999);
+
+    // Create a suitable device context
+    wxDC *dc;
     if (prompt)
     {
         dc = PrintDialog(parent);
         if (!dc)
-            return FALSE;
+            return false;
     }
     else
     {
-        dc = new wxPostScriptDC(wxThePrintSetupData->GetPrinterFile(), FALSE, (wxWindow *) NULL);
+        dc = new wxPostScriptDC(GetPrintDialogData().GetPrintData());
     }
-    
+
     // May have pressed cancel.
-    if (!dc || !dc->Ok())
+    if (!dc || !dc->IsOk())
     {
         if (dc) delete dc;
-        return FALSE;
+        sm_lastError = wxPRINTER_ERROR;
+        return false;
     }
-    
-    int logPPIScreenX = 0;
-    int logPPIScreenY = 0;
-    int logPPIPrinterX = 0;
-    int logPPIPrinterY = 0;
-    
-    logPPIScreenX = 100;
-    logPPIScreenY = 100;
-    
-    /*
-    // Correct values for X/PostScript?
-    logPPIPrinterX = 100;
-    logPPIPrinterY = 100;
-    */
-    
-    logPPIPrinterX = 72;
-    logPPIPrinterY = 72;
-    
-    printout->SetPPIScreen(logPPIScreenX, logPPIScreenY);
-    printout->SetPPIPrinter(logPPIPrinterX, logPPIPrinterY);
-    
-    // Set printout parameters  
+
+    wxSize ScreenPixels = wxGetDisplaySize();
+    wxSize ScreenMM = wxGetDisplaySizeMM();
+
+    printout->SetPPIScreen( (int) ((ScreenPixels.GetWidth() * 25.4) / ScreenMM.GetWidth()),
+                            (int) ((ScreenPixels.GetHeight() * 25.4) / ScreenMM.GetHeight()) );
+    printout->SetPPIPrinter( dc->GetResolution(),
+                             dc->GetResolution() );
+
+    // Set printout parameters
     printout->SetDC(dc);
-    
+
     int w, h;
     dc->GetSize(&w, &h);
     printout->SetPageSizePixels((int)w, (int)h);
-    dc->GetSizeMM(&w, &h);
-    printout->SetPageSizeMM((int)w, (int)h);
-    
+    printout->SetPaperRectPixels(wxRect(0, 0, w, h));
+    int mw, mh;
+    dc->GetSizeMM(&mw, &mh);
+    printout->SetPageSizeMM((int)mw, (int)mh);
+
     // Create an abort window
     wxBeginBusyCursor();
-    
+
+    printout->OnPreparePrinting();
+
+    // Get some parameters from the printout, if defined
+    int fromPage, toPage;
+    int minPage, maxPage;
+    printout->GetPageInfo(&minPage, &maxPage, &fromPage, &toPage);
+
+    if (maxPage == 0)
+    {
+        sm_lastError = wxPRINTER_ERROR;
+        wxEndBusyCursor();
+        return false;
+    }
+
+    // Only set min and max, because from and to have been
+    // set by the user
+    m_printDialogData.SetMinPage(minPage);
+    m_printDialogData.SetMaxPage(maxPage);
+
+    if (m_printDialogData.GetFromPage() < minPage)
+        m_printDialogData.SetFromPage( minPage );
+    if (m_printDialogData.GetToPage() > maxPage)
+        m_printDialogData.SetToPage( maxPage );
+
+    int
+       pagesPerCopy = m_printDialogData.GetToPage()-m_printDialogData.GetFromPage()+1,
+       totalPages = pagesPerCopy * m_printDialogData.GetNoCopies(),
+       printedPages = 0;
+    // Open the progress bar dialog
+    wxProgressDialog *progressDialog = new wxProgressDialog (
+       printout->GetTitle(),
+       _("Printing..."),
+       totalPages,
+       parent,
+       wxPD_CAN_ABORT|wxPD_AUTO_HIDE|wxPD_APP_MODAL);
+
     printout->OnBeginPrinting();
-    
-    bool keepGoing = TRUE;
-    
+
+    sm_lastError = wxPRINTER_NO_ERROR;
+
+    bool keepGoing = true;
+
     int copyCount;
     for (copyCount = 1; copyCount <= m_printDialogData.GetNoCopies(); copyCount ++)
     {
         if (!printout->OnBeginDocument(m_printDialogData.GetFromPage(), m_printDialogData.GetToPage()))
         {
             wxEndBusyCursor();
-            wxMessageBox(_("Could not start printing."), _("Print Error"), wxOK, parent);
+            wxLogError(_("Could not start printing."));
+            sm_lastError = wxPRINTER_ERROR;
             break;
         }
         if (sm_abortIt)
+        {
+            sm_lastError = wxPRINTER_CANCELLED;
             break;
-        
+        }
+
         int pn;
         for (pn = m_printDialogData.GetFromPage(); keepGoing && (pn <= m_printDialogData.GetToPage()) && printout->HasPage(pn);
         pn++)
         {
             if (sm_abortIt)
             {
-                keepGoing = FALSE;
+                keepGoing = false;
+                sm_lastError = wxPRINTER_CANCELLED;
                 break;
             }
             else
             {
-                dc->StartPage();
-                printout->OnPrintPage(pn);
-                dc->EndPage();
+               wxString msg;
+               msg.Printf(_("Printing page %d..."), printedPages+1);
+               if(progressDialog->Update(printedPages++, msg))
+               {
+                  dc->StartPage();
+                  printout->OnPrintPage(pn);
+                  dc->EndPage();
+               }
+               else
+               {
+                  sm_abortIt = true;
+                  sm_lastError = wxPRINTER_CANCELLED;
+                  keepGoing = false;
+               }
             }
+            wxYield();
         }
         printout->OnEndDocument();
     }
-    
+
     printout->OnEndPrinting();
-    
+    delete progressDialog;
+
     wxEndBusyCursor();
-    
+
     delete dc;
-    
-    return TRUE;
+
+    return (sm_lastError == wxPRINTER_NO_ERROR);
 }
 
 wxDC* wxPostScriptPrinter::PrintDialog(wxWindow *parent)
 {
-    wxDC* dc = (wxDC*) NULL;
-    wxGenericPrintDialog* dialog = new wxGenericPrintDialog(parent, & m_printDialogData);
-    int ret = dialog->ShowModal() ;
-    if (ret == wxID_OK)
+    wxDC* dc = NULL;
+
+    wxGenericPrintDialog dialog( parent, &m_printDialogData );
+    if (dialog.ShowModal() == wxID_OK)
     {
-        dc = dialog->GetPrintDC();
-        m_printDialogData = dialog->GetPrintDialogData();
+        dc = dialog.GetPrintDC();
+        m_printDialogData = dialog.GetPrintDialogData();
+
+        if (dc == NULL)
+            sm_lastError = wxPRINTER_ERROR;
+        else
+            sm_lastError = wxPRINTER_NO_ERROR;
     }
-    dialog->Destroy();
+    else
+        sm_lastError = wxPRINTER_CANCELLED;
 
     return dc;
 }
 
-bool wxPostScriptPrinter::Setup(wxWindow *parent)
+bool wxPostScriptPrinter::Setup(wxWindow *WXUNUSED(parent))
 {
+#if 0
     wxGenericPrintDialog* dialog = new wxGenericPrintDialog(parent, & m_printDialogData);
-    dialog->GetPrintDialogData().SetSetupDialog(TRUE);
+    dialog->GetPrintDialogData().SetSetupDialog(true);
 
     int ret = dialog->ShowModal();
 
@@ -223,48 +265,85 @@ bool wxPostScriptPrinter::Setup(wxWindow *parent)
     dialog->Destroy();
 
     return (ret == wxID_OK);
+#endif
+
+    return false;
 }
 
-/*
-* Print preview
-*/
+// ----------------------------------------------------------------------------
+// Print preview
+// ----------------------------------------------------------------------------
 
-wxPostScriptPrintPreview::wxPostScriptPrintPreview(wxPrintout *printout, wxPrintout *printoutForPrinting, wxPrintDialogData *data):
-wxPrintPreviewBase(printout, printoutForPrinting, data)
+void wxPostScriptPrintPreview::Init(wxPrintout * WXUNUSED(printout),
+                                    wxPrintout * WXUNUSED(printoutForPrinting))
 {
     // Have to call it here since base constructor can't call it
     DetermineScaling();
 }
 
-wxPostScriptPrintPreview::~wxPostScriptPrintPreview(void)
+wxPostScriptPrintPreview::wxPostScriptPrintPreview(wxPrintout *printout,
+                                                   wxPrintout *printoutForPrinting,
+                                                   wxPrintDialogData *data)
+                        : wxPrintPreviewBase(printout, printoutForPrinting, data)
+{
+    Init(printout, printoutForPrinting);
+}
+
+wxPostScriptPrintPreview::wxPostScriptPrintPreview(wxPrintout *printout,
+                                                   wxPrintout *printoutForPrinting,
+                                                   wxPrintData *data)
+                        : wxPrintPreviewBase(printout, printoutForPrinting, data)
+{
+    Init(printout, printoutForPrinting);
+}
+
+wxPostScriptPrintPreview::~wxPostScriptPrintPreview()
 {
 }
 
 bool wxPostScriptPrintPreview::Print(bool interactive)
 {
     if (!m_printPrintout)
-        return FALSE;
+        return false;
+
+    // Assume that on Unix, the preview may use the PostScript
+    // (generic) version, but printing using the native system is required.
+    // TODO: make a generic print preview class from which wxPostScriptPrintPreview
+    // is derived.
+#ifdef __UNIX__
+    wxPrinter printer(& m_printDialogData);
+#else
     wxPostScriptPrinter printer(& m_printDialogData);
+#endif
     return printer.Print(m_previewFrame, m_printPrintout, interactive);
 }
 
-void wxPostScriptPrintPreview::DetermineScaling(void)
+void wxPostScriptPrintPreview::DetermineScaling()
 {
     wxPaperSize paperType = m_printDialogData.GetPrintData().GetPaperId();
     if (paperType == wxPAPER_NONE)
         paperType = wxPAPER_NONE;
-    
+
     wxPrintPaperType *paper = wxThePrintPaperDatabase->FindPaperType(paperType);
     if (!paper)
         paper = wxThePrintPaperDatabase->FindPaperType(wxPAPER_A4);
 
     if (paper)
     {
-        m_previewPrintout->SetPPIScreen(100, 100);
-        //      m_previewPrintout->SetPPIPrinter(100, 100);
-        m_previewPrintout->SetPPIPrinter(72, 72);
-        
+        int resolution = 600;  // TODO, this is correct, but get this from wxPSDC somehow
+
+        const wxSize screenPPI = wxGetDisplayPPI();
+        int logPPIScreenX = screenPPI.GetWidth();
+        int logPPIScreenY = screenPPI.GetHeight();
+        int logPPIPrinterX = resolution;
+        int logPPIPrinterY = resolution;
+
+        m_previewPrintout->SetPPIScreen( logPPIScreenX, logPPIScreenY );
+        m_previewPrintout->SetPPIPrinter( logPPIPrinterX, logPPIPrinterY );
+
         wxSize sizeDevUnits(paper->GetSizeDeviceUnits());
+        sizeDevUnits.x = (wxCoord)((float)sizeDevUnits.x * resolution / 72.0);
+        sizeDevUnits.y = (wxCoord)((float)sizeDevUnits.y * resolution / 72.0);
         wxSize sizeTenthsMM(paper->GetSize());
         wxSize sizeMM(sizeTenthsMM.x / 10, sizeTenthsMM.y / 10);
 
@@ -274,18 +353,20 @@ void wxPostScriptPrintPreview::DetermineScaling(void)
             m_pageWidth = sizeDevUnits.y;
             m_pageHeight = sizeDevUnits.x;
             m_previewPrintout->SetPageSizeMM(sizeMM.y, sizeMM.x);
-            m_previewPrintout->SetPageSizePixels(m_pageWidth, m_pageHeight);
         }
         else
         {
             m_pageWidth = sizeDevUnits.x;
             m_pageHeight = sizeDevUnits.y;
             m_previewPrintout->SetPageSizeMM(sizeMM.x, sizeMM.y);
-            m_previewPrintout->SetPageSizePixels(m_pageWidth, m_pageHeight);
         }
-        
+        m_previewPrintout->SetPageSizePixels(m_pageWidth, m_pageHeight);
+        m_previewPrintout->SetPaperRectPixels(wxRect(0, 0, m_pageWidth, m_pageHeight));
+
         // At 100%, the page should look about page-size on the screen.
-        m_previewScale = (float)0.8;
+        m_previewScaleX = float(logPPIScreenX) / logPPIPrinterX;
+        m_previewScaleY = float(logPPIScreenY) / logPPIPrinterY;
     }
 }
 
+#endif