Ensure there is valid context for DrawRectangle

[wxWidgets.git] / src / generic / printps.cpp

diff --git a/src/generic/printps.cpp b/src/generic/printps.cpp
index 9a97d9cc6e232e0eb4f7501082177e09e503e6fb..a264bdabc5633a6aae5a4eab1b1a02557d043658 100644 (file)
--- a/src/generic/printps.cpp
+++ b/src/generic/printps.cpp
@@ -1,26 +1,14 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        printps.cpp
+// Name:        src/generic/printps.cpp

 // Purpose:     Postscript print/preview framework
 // Author:      Julian Smart
 // Modified by:
 // Created:     04/01/98
 // RCS-ID:      $Id$
 // 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

 /////////////////////////////////////////////////////////////////////////////
 
 /////////////////////////////////////////////////////////////////////////////
 

-// ============================================================================
-// declarations
-// ============================================================================
-
-// ----------------------------------------------------------------------------
-// headers
-// ----------------------------------------------------------------------------
-
-#ifdef __GNUG__
-    #pragma implementation "printps.h"
-#endif
-

 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 


@@ -28,9 +16,15 @@
     #pragma hdrstop
 #endif
 
     #pragma hdrstop
 #endif
 

-#include "wx/defs.h"
+// ============================================================================
+// declarations
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------

 
 

-#if wxUSE_PRINTING_ARCHITECTURE
+#if wxUSE_PRINTING_ARCHITECTURE && wxUSE_POSTSCRIPT && (!defined(__WXMSW__) || wxUSE_POSTSCRIPT_ARCHITECTURE_IN_MSW)

 
 #ifndef WX_PRECOMP
     #include "wx/utils.h"
 
 #ifndef WX_PRECOMP
     #include "wx/utils.h"


@@ -39,13 +33,14 @@
     #include "wx/msgdlg.h"
     #include "wx/intl.h"
     #include "wx/progdlg.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"
 #endif
 
 #include "wx/generic/printps.h"

-#include "wx/dcprint.h"

 #include "wx/printdlg.h"
 #include "wx/generic/prntdlgg.h"
 #include "wx/printdlg.h"
 #include "wx/generic/prntdlgg.h"

-#include "wx/generic/progdlgg.h"
+#include "wx/progdlg.h"

 #include "wx/paper.h"
 
 #include <stdlib.h>
 #include "wx/paper.h"
 
 #include <stdlib.h>


@@ -76,64 +71,27 @@ wxPostScriptPrinter::~wxPostScriptPrinter()
 
 bool wxPostScriptPrinter::Print(wxWindow *parent, wxPrintout *printout, bool prompt)
 {
 
 bool wxPostScriptPrinter::Print(wxWindow *parent, wxPrintout *printout, bool prompt)
 {

-    sm_abortIt = FALSE;
-    sm_abortWindow = (wxWindow *) NULL;
+    sm_abortIt = false;
+    sm_abortWindow = NULL;

 
     if (!printout)
     {
         sm_lastError = wxPRINTER_ERROR;
 
     if (!printout)
     {
         sm_lastError = wxPRINTER_ERROR;

-        return FALSE;
-    }
-
-    printout->SetIsPreview(FALSE);
-
-    // 4/9/99, JACS: this is a silly place to allow preparation, considering
-    // the DC and no parameters have been set in the printout object.
-    // Moved further down.
-
-    // 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;
-        return FALSE;
-    }
-
-    m_printDialogData.SetMinPage(minPage);
-    m_printDialogData.SetMaxPage(maxPage);
-    if (fromPage != 0)
-        m_printDialogData.SetFromPage(fromPage);
-    if (toPage != 0)
-        m_printDialogData.SetToPage(toPage);
-
-    if (minPage != 0)
-    {
-        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());
+        return false;

     }
     }

-    else
-        m_printDialogData.EnablePageNumbers(FALSE);

 
 

+    if (m_printDialogData.GetMinPage() < 1)
+        m_printDialogData.SetMinPage(1);
+    if (m_printDialogData.GetMaxPage() < 1)
+        m_printDialogData.SetMaxPage(9999);

 
     // Create a suitable device context
 
     // Create a suitable device context

-    wxDC *dc = (wxDC *) NULL;
+    wxDC *dc;

     if (prompt)
     {
         dc = PrintDialog(parent);
         if (!dc)
     if (prompt)
     {
         dc = PrintDialog(parent);
         if (!dc)

-            return FALSE;
+            return false;

     }
     else
     {
     }
     else
     {


@@ -141,32 +99,20 @@ bool wxPostScriptPrinter::Print(wxWindow *parent, wxPrintout *printout, bool pro
     }
 
     // May have pressed cancel.
     }
 
     // May have pressed cancel.

-    if (!dc || !dc->Ok())
+    if (!dc || !dc->IsOk())

     {
         if (dc) delete dc;
         sm_lastError = wxPRINTER_ERROR;
     {
         if (dc) delete dc;
         sm_lastError = wxPRINTER_ERROR;

-        return FALSE;
+        return false;

     }
 
     }
 

-    int logPPIScreenX = 0;
-    int logPPIScreenY = 0;
-    int logPPIPrinterX = 0;
-    int logPPIPrinterY = 0;
-
-    logPPIScreenX = 100;
-    logPPIScreenY = 100;
+    wxSize ScreenPixels = wxGetDisplaySize();
+    wxSize ScreenMM = wxGetDisplaySizeMM();

 
 

-    /*
-    // Correct values for X/PostScript?
-    logPPIPrinterX = 100;
-    logPPIPrinterY = 100;
-    */
-
-    logPPIPrinterX = wxPostScriptDC::GetResolution();
-    logPPIPrinterY = wxPostScriptDC::GetResolution();
-
-    printout->SetPPIScreen(logPPIScreenX, logPPIScreenY);
-    printout->SetPPIPrinter(logPPIPrinterX, logPPIPrinterY);
+    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);
 
     // Set printout parameters
     printout->SetDC(dc);


@@ -174,14 +120,38 @@ bool wxPostScriptPrinter::Print(wxWindow *parent, wxPrintout *printout, bool pro
     int w, h;
     dc->GetSize(&w, &h);
     printout->SetPageSizePixels((int)w, (int)h);
     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();
 
 
     // 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(),
     int
        pagesPerCopy = m_printDialogData.GetToPage()-m_printDialogData.GetFromPage()+1,
        totalPages = pagesPerCopy * m_printDialogData.GetNoCopies(),


@@ -198,7 +168,7 @@ bool wxPostScriptPrinter::Print(wxWindow *parent, wxPrintout *printout, bool pro
 
     sm_lastError = wxPRINTER_NO_ERROR;
 
 
     sm_lastError = wxPRINTER_NO_ERROR;
 

-    bool keepGoing = TRUE;
+    bool keepGoing = true;

 
     int copyCount;
     for (copyCount = 1; copyCount <= m_printDialogData.GetNoCopies(); copyCount ++)
 
     int copyCount;
     for (copyCount = 1; copyCount <= m_printDialogData.GetNoCopies(); copyCount ++)


@@ -222,7 +192,7 @@ bool wxPostScriptPrinter::Print(wxWindow *parent, wxPrintout *printout, bool pro
         {
             if (sm_abortIt)
             {
         {
             if (sm_abortIt)
             {

-                keepGoing = FALSE;
+                keepGoing = false;

                 sm_lastError = wxPRINTER_CANCELLED;
                 break;
             }
                 sm_lastError = wxPRINTER_CANCELLED;
                 break;
             }


@@ -238,12 +208,12 @@ bool wxPostScriptPrinter::Print(wxWindow *parent, wxPrintout *printout, bool pro
                }
                else
                {
                }
                else
                {

-                  sm_abortIt = TRUE;
+                  sm_abortIt = true;

                   sm_lastError = wxPRINTER_CANCELLED;
                   sm_lastError = wxPRINTER_CANCELLED;

-                  keepGoing = FALSE;
+                  keepGoing = false;

                }
             }
                }
             }

-           wxYield();
+            wxYield();

         }
         printout->OnEndDocument();
     }
         }
         printout->OnEndDocument();
     }


@@ -260,13 +230,14 @@ bool wxPostScriptPrinter::Print(wxWindow *parent, wxPrintout *printout, bool pro
 
 wxDC* wxPostScriptPrinter::PrintDialog(wxWindow *parent)
 {
 
 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
         if (dc == NULL)
             sm_lastError = wxPRINTER_ERROR;
         else


@@ -275,15 +246,14 @@ wxDC* wxPostScriptPrinter::PrintDialog(wxWindow *parent)
     else
         sm_lastError = wxPRINTER_CANCELLED;
 
     else
         sm_lastError = wxPRINTER_CANCELLED;
 

-    dialog->Destroy();
-

     return dc;
 }
 
     return dc;
 }
 

-bool wxPostScriptPrinter::Setup(wxWindow *parent)
+bool wxPostScriptPrinter::Setup(wxWindow *WXUNUSED(parent))

 {
 {

+#if 0

     wxGenericPrintDialog* dialog = new wxGenericPrintDialog(parent, & m_printDialogData);
     wxGenericPrintDialog* dialog = new wxGenericPrintDialog(parent, & m_printDialogData);

-    dialog->GetPrintDialogData().SetSetupDialog(TRUE);
+    dialog->GetPrintDialogData().SetSetupDialog(true);

 
     int ret = dialog->ShowModal();
 
 
     int ret = dialog->ShowModal();
 


@@ -295,6 +265,9 @@ bool wxPostScriptPrinter::Setup(wxWindow *parent)
     dialog->Destroy();
 
     return (ret == wxID_OK);
     dialog->Destroy();
 
     return (ret == wxID_OK);

+#endif
+
+    return false;

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------


@@ -331,8 +304,17 @@ wxPostScriptPrintPreview::~wxPostScriptPrintPreview()
 bool wxPostScriptPrintPreview::Print(bool interactive)
 {
     if (!m_printPrintout)
 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);
     wxPostScriptPrinter printer(& m_printDialogData);

+#endif

     return printer.Print(m_previewFrame, m_printPrintout, interactive);
 }
 
     return printer.Print(m_previewFrame, m_printPrintout, interactive);
 }
 


@@ -348,13 +330,20 @@ void wxPostScriptPrintPreview::DetermineScaling()
 
     if (paper)
     {
 
     if (paper)
     {

-        m_previewPrintout->SetPPIScreen(100, 100);
-        //      m_previewPrintout->SetPPIPrinter(100, 100);
-        m_previewPrintout->SetPPIPrinter(wxPostScriptDC::GetResolution(), wxPostScriptDC::GetResolution()); 
+        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());
 
         wxSize sizeDevUnits(paper->GetSizeDeviceUnits());

-        sizeDevUnits.x = (wxCoord)((float)sizeDevUnits.x * wxPostScriptDC::GetResolution() / 72.0);
-        sizeDevUnits.y = (wxCoord)((float)sizeDevUnits.y * wxPostScriptDC::GetResolution() / 72.0);
+        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);
 
         wxSize sizeTenthsMM(paper->GetSize());
         wxSize sizeMM(sizeTenthsMM.x / 10, sizeTenthsMM.y / 10);
 


@@ -364,18 +353,19 @@ void wxPostScriptPrintPreview::DetermineScaling()
             m_pageWidth = sizeDevUnits.y;
             m_pageHeight = sizeDevUnits.x;
             m_previewPrintout->SetPageSizeMM(sizeMM.y, sizeMM.x);
             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);
         }
         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.
 
         // At 100%, the page should look about page-size on the screen.

-        m_previewScale = (float)0.8 * 72.0 / (float)wxPostScriptDC::GetResolution();
+        m_previewScaleX = float(logPPIScreenX) / logPPIPrinterX;
+        m_previewScaleY = float(logPPIScreenY) / logPPIPrinterY;

     }
 }
 
     }
 }