X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/b494c48b31885ee0d9cd91e7931ac837e00144a0..bc9d3d911cfb51f612a699d7fb00f57eb5b2097c:/src/common/cmndata.cpp

diff --git a/src/common/cmndata.cpp b/src/common/cmndata.cpp
index e49c5e1d9d..46c8b1f9d8 100644
--- a/src/common/cmndata.cpp
+++ b/src/common/cmndata.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        cmndata.cpp
+// Name:        src/common/cmndata.cpp
 // Purpose:     Common GDI data
 // Author:      Julian Smart
 // Modified by:
@@ -17,10 +17,6 @@
 // headers
 // ----------------------------------------------------------------------------
 
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-    #pragma implementation "cmndata.h"
-#endif
-
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
@@ -28,151 +24,46 @@
     #pragma hdrstop
 #endif
 
+#if wxUSE_PRINTING_ARCHITECTURE
+
+#include "wx/cmndata.h"
+
 #ifndef WX_PRECOMP
+    #if defined(__WXMSW__)
+        #include "wx/msw/wrapcdlg.h"
+    #endif // MSW
     #include <stdio.h>
     #include "wx/string.h"
     #include "wx/utils.h"
     #include "wx/app.h"
+    #include "wx/log.h"
+    #include "wx/gdicmn.h"
 #endif
 
-#include "wx/gdicmn.h"
-#include "wx/cmndata.h"
-#include "wx/log.h"
 #include "wx/prntbase.h"
 #include "wx/printdlg.h"
+#include "wx/paper.h"
 
-#if wxUSE_FONTDLG
-    #include "wx/fontdlg.h"
-#endif // wxUSE_FONTDLG
 
-#if wxUSE_PRINTING_ARCHITECTURE
-    #include "wx/paper.h"
-#endif // wxUSE_PRINTING_ARCHITECTURE
-
-#if defined(__WXMSW__)
-    #include <windowsx.h>
-    #include "wx/msw/private.h"
-
-    #ifndef __SMARTPHONE__ /* of WinCE */
-        #include <commdlg.h>
-    #endif
-
-    #if defined(__WATCOMC__) || defined(__SYMANTEC__) || defined(__SALFORDC__)
-        #include <windowsx.h>
-        #include <commdlg.h>
-    #endif
-#endif // MSW
-
-#ifdef __WXMAC__
-    #include "wx/mac/private/print.h"
-#endif
-
-    #if wxUSE_PRINTING_ARCHITECTURE
-        IMPLEMENT_DYNAMIC_CLASS(wxPrintData, wxObject)
-        IMPLEMENT_DYNAMIC_CLASS(wxPrintDialogData, wxObject)
-        IMPLEMENT_DYNAMIC_CLASS(wxPageSetupDialogData, wxObject)
-    #endif // wxUSE_PRINTING_ARCHITECTURE
-
-    IMPLEMENT_DYNAMIC_CLASS(wxFontData, wxObject)
-    IMPLEMENT_DYNAMIC_CLASS(wxColourData, wxObject)
-
-#ifndef DMPAPER_USER
-     #define DMPAPER_USER                256
-#endif
+IMPLEMENT_DYNAMIC_CLASS(wxPrintData, wxObject)
+IMPLEMENT_DYNAMIC_CLASS(wxPrintDialogData, wxObject)
+IMPLEMENT_DYNAMIC_CLASS(wxPageSetupDialogData, wxObject)
 
 // ============================================================================
 // implementation
 // ============================================================================
 
-// ----------------------------------------------------------------------------
-// wxColourData
-// ----------------------------------------------------------------------------
-
-wxColourData::wxColourData()
-{
-    m_chooseFull = false;
-    m_dataColour.Set(0,0,0);
-    // m_custColours are wxNullColours initially
-}
-
-wxColourData::wxColourData(const wxColourData& data)
-    : wxObject()
-{
-    (*this) = data;
-}
-
-wxColourData::~wxColourData()
-{
-}
-
-void wxColourData::SetCustomColour(int i, const wxColour& colour)
-{
-    wxCHECK_RET( (i >= 0 && i < 16), _T("custom colour index out of range") );
-
-    m_custColours[i] = colour;
-}
-
-wxColour wxColourData::GetCustomColour(int i)
-{
-    wxCHECK_MSG( (i >= 0 && i < 16), wxColour(0,0,0),
-                 _T("custom colour index out of range") );
-
-    return m_custColours[i];
-}
-
-void wxColourData::operator=(const wxColourData& data)
-{
-    int i;
-    for (i = 0; i < 16; i++)
-        m_custColours[i] = data.m_custColours[i];
-
-    m_dataColour = (wxColour&)data.m_dataColour;
-    m_chooseFull = data.m_chooseFull;
-}
-
-// ----------------------------------------------------------------------------
-// Font data
-// ----------------------------------------------------------------------------
-
-wxFontData::wxFontData()
-{
-    // Intialize colour to black.
-    m_fontColour = wxNullColour;
-
-    m_showHelp = false;
-    m_allowSymbols = true;
-    m_enableEffects = true;
-    m_minSize = 0;
-    m_maxSize = 0;
-
-    m_encoding = wxFONTENCODING_SYSTEM;
-}
-
-wxFontData::~wxFontData()
-{
-}
-
-#if wxUSE_FONTDLG
-
-wxFontDialogBase::~wxFontDialogBase()
-{
-}
-
-#endif // wxUSE_FONTDLG
-
-#if wxUSE_PRINTING_ARCHITECTURE
 // ----------------------------------------------------------------------------
 // Print data
 // ----------------------------------------------------------------------------
 
 wxPrintData::wxPrintData()
 {
-#ifdef __WXMAC__
-    m_nativePrintData = wxNativePrintData::Create() ;
-#endif
     m_bin = wxPRINTBIN_DEFAULT;
+    m_media = wxPRINTMEDIA_DEFAULT;
     m_printMode = wxPRINT_MODE_PRINTER;
     m_printOrientation = wxPORTRAIT;
+    m_printOrientationReversed = false;
     m_printNoCopies = 1;
     m_printCollate = false;
 
@@ -181,8 +72,14 @@ wxPrintData::wxPrintData()
     m_colour = true;
     m_duplexMode = wxDUPLEX_SIMPLEX;
     m_printQuality = wxPRINT_QUALITY_HIGH;
-    m_paperId = wxPAPER_A4;
-    m_paperSize = wxSize(210, 297);
+
+    // we intentionally don't initialize paper id and size at all, like this
+    // the default system settings will be used for them
+    m_paperId = wxPAPER_NONE;
+    m_paperSize = wxDefaultSize;
+
+    m_privData = NULL;
+    m_privDataLen = 0;
 
     m_nativeData = wxPrintFactory::GetFactory()->CreatePrintNativeData();
 }
@@ -191,43 +88,50 @@ wxPrintData::wxPrintData(const wxPrintData& printData)
     : wxObject()
 {
     m_nativeData = NULL;
+    m_privData = NULL;
     (*this) = printData;
 }
 
+void wxPrintData::SetPrivData( char *privData, int len )
+{
+    wxDELETEA(m_privData);
+    m_privDataLen = len;
+    if (m_privDataLen > 0)
+    {
+        m_privData = new char[m_privDataLen];
+        memcpy( m_privData, privData, m_privDataLen );
+    }
+}
+
 wxPrintData::~wxPrintData()
 {
     m_nativeData->m_ref--;
     if (m_nativeData->m_ref == 0)
         delete m_nativeData;
 
-#ifdef __WXMAC__
-    delete m_nativePrintData ;
-#endif
+    if (m_privData)
+        delete [] m_privData;
 }
 
 void wxPrintData::ConvertToNative()
 {
-#ifdef __WXMAC__
-    m_nativePrintData->TransferFrom( this ) ;
-#else
     m_nativeData->TransferFrom( *this ) ;
-#endif
 }
 
 void wxPrintData::ConvertFromNative()
 {
-#ifdef __WXMAC__
-    m_nativePrintData->TransferTo( this ) ;
-#else
     m_nativeData->TransferTo( *this ) ;
-#endif
 }
 
-void wxPrintData::operator=(const wxPrintData& data)
+wxPrintData& wxPrintData::operator=(const wxPrintData& data)
 {
+    if ( &data == this )
+        return *this;
+
     m_printNoCopies = data.m_printNoCopies;
     m_printCollate = data.m_printCollate;
     m_printOrientation = data.m_printOrientation;
+    m_printOrientationReversed = data.m_printOrientationReversed;
     m_printerName = data.m_printerName;
     m_colour = data.m_colour;
     m_duplexMode = data.m_duplexMode;
@@ -235,6 +139,7 @@ void wxPrintData::operator=(const wxPrintData& data)
     m_paperId = data.m_paperId;
     m_paperSize = data.m_paperSize;
     m_bin = data.m_bin;
+    m_media = data.m_media;
     m_printMode = data.m_printMode;
     m_filename = data.m_filename;
 
@@ -249,184 +154,25 @@ void wxPrintData::operator=(const wxPrintData& data)
     m_nativeData = data.GetNativeData();
     m_nativeData->m_ref++;
 
-#ifdef __WXMAC__
-    m_nativePrintData->CopyFrom( data.m_nativePrintData ) ;
-#endif
+    wxDELETEA(m_privData);
+    m_privDataLen = data.GetPrivDataLen();
+    if (m_privDataLen > 0)
+    {
+        m_privData = new char[m_privDataLen];
+        memcpy( m_privData, data.GetPrivData(), m_privDataLen );
+    }
+
+    return *this;
 }
 
 // Is this data OK for showing the print dialog?
-bool wxPrintData::Ok() const
+bool wxPrintData::IsOk() const
 {
     m_nativeData->TransferFrom( *this );
 
-    return m_nativeData->Ok();
-}
-
-// What should happen here?  wxPostScriptPrintNativeData is not
-// defined unless all this is true on MSW.
-#if WXWIN_COMPATIBILITY_2_4 && wxUSE_PRINTING_ARCHITECTURE && (!defined(__WXMSW__) || wxUSE_POSTSCRIPT_ARCHITECTURE_IN_MSW)
-
-#include "wx/generic/prntdlgg.h"
-
-#if wxUSE_POSTSCRIPT
-    #define WXUNUSED_WITHOUT_PS(name) name
-#else
-    #define WXUNUSED_WITHOUT_PS(name) WXUNUSED(name)
-#endif
-
-wxString wxPrintData::GetPrinterCommand() const
-{
-#if wxUSE_POSTSCRIPT
-    if (m_nativeData && wxIsKindOf(m_nativeData,wxPostScriptPrintNativeData))
-        return ((wxPostScriptPrintNativeData*)m_nativeData)->GetPrinterCommand();
-#endif
-    return wxEmptyString;
-}
-
-wxString wxPrintData::GetPrinterOptions() const
-{
-#if wxUSE_POSTSCRIPT
-    if (m_nativeData && wxIsKindOf(m_nativeData,wxPostScriptPrintNativeData))
-        return ((wxPostScriptPrintNativeData*)m_nativeData)->GetPrinterOptions();
-#endif
-    return wxEmptyString;
-}
-
-wxString wxPrintData::GetPreviewCommand() const
-{
-#if wxUSE_POSTSCRIPT
-    if (m_nativeData && wxIsKindOf(m_nativeData,wxPostScriptPrintNativeData))
-        return ((wxPostScriptPrintNativeData*)m_nativeData)->GetPreviewCommand();
-#endif
-    return wxEmptyString;
-}
-
-wxString wxPrintData::GetFontMetricPath() const
-{
-#if wxUSE_POSTSCRIPT
-    if (m_nativeData && wxIsKindOf(m_nativeData,wxPostScriptPrintNativeData))
-        return ((wxPostScriptPrintNativeData*)m_nativeData)->GetFontMetricPath();
-#endif
-    return wxEmptyString;
-}
-
-double wxPrintData::GetPrinterScaleX() const
-{
-#if wxUSE_POSTSCRIPT
-    if (m_nativeData && wxIsKindOf(m_nativeData,wxPostScriptPrintNativeData))
-        return ((wxPostScriptPrintNativeData*)m_nativeData)->GetPrinterScaleX();
-#endif
-    return 1.0;
-}
-
-double wxPrintData::GetPrinterScaleY() const
-{
-#if wxUSE_POSTSCRIPT
-    if (m_nativeData && wxIsKindOf(m_nativeData,wxPostScriptPrintNativeData))
-        return ((wxPostScriptPrintNativeData*)m_nativeData)->GetPrinterScaleY();
-#endif
-    return 1.0;
-}
-
-long wxPrintData::GetPrinterTranslateX() const
-{
-#if wxUSE_POSTSCRIPT
-    if (m_nativeData && wxIsKindOf(m_nativeData,wxPostScriptPrintNativeData))
-        return ((wxPostScriptPrintNativeData*)m_nativeData)->GetPrinterTranslateX();
-#endif
-    return 0;
-}
-
-long wxPrintData::GetPrinterTranslateY() const
-{
-#if wxUSE_POSTSCRIPT
-    if (m_nativeData && wxIsKindOf(m_nativeData,wxPostScriptPrintNativeData))
-        return ((wxPostScriptPrintNativeData*)m_nativeData)->GetPrinterTranslateY();
-#endif
-    return 0;
-}
-
-void wxPrintData::SetPrinterCommand(const wxString& WXUNUSED_WITHOUT_PS(command))
-{
-#if wxUSE_POSTSCRIPT
-    if (m_nativeData && wxIsKindOf(m_nativeData,wxPostScriptPrintNativeData))
-        ((wxPostScriptPrintNativeData*)m_nativeData)->SetPrinterCommand( command );
-#endif
-}
-
-void wxPrintData::SetPrinterOptions(const wxString& WXUNUSED_WITHOUT_PS(options))
-{
-#if wxUSE_POSTSCRIPT
-    if (m_nativeData && wxIsKindOf(m_nativeData,wxPostScriptPrintNativeData))
-        ((wxPostScriptPrintNativeData*)m_nativeData)->SetPrinterOptions( options );
-#endif
-}
-
-void wxPrintData::SetPreviewCommand(const wxString& WXUNUSED_WITHOUT_PS(command))
-{
-#if wxUSE_POSTSCRIPT
-    if (m_nativeData && wxIsKindOf(m_nativeData,wxPostScriptPrintNativeData))
-        ((wxPostScriptPrintNativeData*)m_nativeData)->SetPreviewCommand( command );
-#endif
-}
-
-void wxPrintData::SetFontMetricPath(const wxString& WXUNUSED_WITHOUT_PS(path))
-{
-#if wxUSE_POSTSCRIPT
-    if (m_nativeData && wxIsKindOf(m_nativeData,wxPostScriptPrintNativeData))
-        ((wxPostScriptPrintNativeData*)m_nativeData)->SetFontMetricPath( path );
-#endif
-}
-
-void wxPrintData::SetPrinterScaleX(double WXUNUSED_WITHOUT_PS(x))
-{
-#if wxUSE_POSTSCRIPT
-    if (m_nativeData && wxIsKindOf(m_nativeData,wxPostScriptPrintNativeData))
-        ((wxPostScriptPrintNativeData*)m_nativeData)->SetPrinterScaleX( x );
-#endif
-}
-
-void wxPrintData::SetPrinterScaleY(double WXUNUSED_WITHOUT_PS(y))
-{
-#if wxUSE_POSTSCRIPT
-    if (m_nativeData && wxIsKindOf(m_nativeData,wxPostScriptPrintNativeData))
-        ((wxPostScriptPrintNativeData*)m_nativeData)->SetPrinterScaleY( y );
-#endif
-}
-
-void wxPrintData::SetPrinterScaling(double WXUNUSED_WITHOUT_PS(x), double WXUNUSED_WITHOUT_PS(y))
-{
-#if wxUSE_POSTSCRIPT
-    if (m_nativeData && wxIsKindOf(m_nativeData,wxPostScriptPrintNativeData))
-        ((wxPostScriptPrintNativeData*)m_nativeData)->SetPrinterScaling( x, y );
-#endif
-}
-
-void wxPrintData::SetPrinterTranslateX(long WXUNUSED_WITHOUT_PS(x))
-{
-#if wxUSE_POSTSCRIPT
-    if (m_nativeData && wxIsKindOf(m_nativeData,wxPostScriptPrintNativeData))
-        ((wxPostScriptPrintNativeData*)m_nativeData)->SetPrinterTranslateX( x );
-#endif
+    return m_nativeData->IsOk();
 }
 
-void wxPrintData::SetPrinterTranslateY(long WXUNUSED_WITHOUT_PS(y))
-{
-#if wxUSE_POSTSCRIPT
-    if (m_nativeData && wxIsKindOf(m_nativeData,wxPostScriptPrintNativeData))
-        ((wxPostScriptPrintNativeData*)m_nativeData)->SetPrinterTranslateY( y );
-#endif
-}
-
-void wxPrintData::SetPrinterTranslation(long WXUNUSED_WITHOUT_PS(x), long WXUNUSED_WITHOUT_PS(y))
-{
-#if wxUSE_POSTSCRIPT
-    if (m_nativeData && wxIsKindOf(m_nativeData,wxPostScriptPrintNativeData))
-        ((wxPostScriptPrintNativeData*)m_nativeData)->SetPrinterTranslation( x, y );
-#endif
-}
-#endif
-
 // ----------------------------------------------------------------------------
 // Print dialog data
 // ----------------------------------------------------------------------------
@@ -449,9 +195,6 @@ wxPrintDialogData::wxPrintDialogData()
     m_printEnablePrintToFile = ! factory->HasOwnPrintToFile();
 
     m_printEnableHelp = false;
-#if WXWIN_COMPATIBILITY_2_4
-    m_printSetupDialog = false;
-#endif
 }
 
 wxPrintDialogData::wxPrintDialogData(const wxPrintDialogData& dialogData)
@@ -467,7 +210,12 @@ wxPrintDialogData::wxPrintDialogData(const wxPrintData& printData)
     m_printMinPage = 1;
     m_printMaxPage = 9999;
     m_printNoCopies = 1;
+    // On Mac the Print dialog always defaults to "All Pages"
+#ifdef __WXMAC__
+    m_printAllPages = true;
+#else
     m_printAllPages = false;
+#endif
     m_printCollate = false;
     m_printToFile = false;
     m_printSelection = false;
@@ -475,9 +223,6 @@ wxPrintDialogData::wxPrintDialogData(const wxPrintData& printData)
     m_printEnablePageNumbers = true;
     m_printEnablePrintToFile = true;
     m_printEnableHelp = false;
-#if WXWIN_COMPATIBILITY_2_4
-    m_printSetupDialog = false;
-#endif
     m_printData = printData;
 }
 
@@ -485,23 +230,6 @@ wxPrintDialogData::~wxPrintDialogData()
 {
 }
 
-#ifdef __WXMAC__
-
-void wxPrintDialogData::ConvertToNative()
-{
-    m_printData.ConvertToNative();
-    m_printData.m_nativePrintData->TransferFrom( this ) ;
-}
-
-void wxPrintDialogData::ConvertFromNative()
-{
-    m_printData.ConvertFromNative();
-    m_printData.m_nativePrintData->TransferTo( this ) ;
-}
-
-#endif
-
-
 void wxPrintDialogData::operator=(const wxPrintDialogData& data)
 {
     m_printFromPage = data.m_printFromPage;
@@ -517,9 +245,6 @@ void wxPrintDialogData::operator=(const wxPrintDialogData& data)
     m_printEnablePageNumbers = data.m_printEnablePageNumbers;
     m_printEnableHelp = data.m_printEnableHelp;
     m_printEnablePrintToFile = data.m_printEnablePrintToFile;
-#if WXWIN_COMPATIBILITY_2_4
-    m_printSetupDialog = data.m_printSetupDialog;
-#endif
     m_printData = data.m_printData;
 }
 
@@ -534,14 +259,14 @@ void wxPrintDialogData::operator=(const wxPrintData& data)
 
 wxPageSetupDialogData::wxPageSetupDialogData()
 {
-    m_paperSize = wxSize(0, 0);
+    m_paperSize = wxSize(0,0);
 
     CalculatePaperSizeFromId();
 
-    m_minMarginTopLeft = wxPoint(0, 0);
-    m_minMarginBottomRight = wxPoint(0, 0);
-    m_marginTopLeft = wxPoint(0, 0);
-    m_marginBottomRight = wxPoint(0, 0);
+    m_minMarginTopLeft =
+    m_minMarginBottomRight =
+    m_marginTopLeft =
+    m_marginBottomRight = wxPoint(0,0);
 
     // Flags
     m_defaultMinMargins = false;
@@ -561,11 +286,11 @@ wxPageSetupDialogData::wxPageSetupDialogData(const wxPageSetupDialogData& dialog
 
 wxPageSetupDialogData::wxPageSetupDialogData(const wxPrintData& printData)
 {
-    m_paperSize = wxSize(0, 0);
-    m_minMarginTopLeft = wxPoint(0, 0);
-    m_minMarginBottomRight = wxPoint(0, 0);
-    m_marginTopLeft = wxPoint(0, 0);
-    m_marginBottomRight = wxPoint(0, 0);
+    m_paperSize = wxSize(0,0);
+    m_minMarginTopLeft =
+    m_minMarginBottomRight =
+    m_marginTopLeft =
+    m_marginBottomRight = wxPoint(0,0);
 
     // Flags
     m_defaultMinMargins = false;
@@ -599,7 +324,7 @@ wxPageSetupDialogData& wxPageSetupDialogData::operator=(const wxPageSetupDialogD
     m_enableOrientation = data.m_enableOrientation;
     m_enablePaper = data.m_enablePaper;
     m_enablePrinter = data.m_enablePrinter;
-    m_getDefaultInfo = data.m_getDefaultInfo;;
+    m_getDefaultInfo = data.m_getDefaultInfo;
     m_enableHelp = data.m_enableHelp;
 
     m_printData = data.m_printData;
@@ -615,36 +340,6 @@ wxPageSetupDialogData& wxPageSetupDialogData::operator=(const wxPrintData& data)
     return *this;
 }
 
-#ifdef __WXMAC__
-void wxPageSetupDialogData::ConvertToNative()
-{
-    m_printData.ConvertToNative();
-    m_printData.m_nativePrintData->TransferFrom( this ) ;
-}
-
-void wxPageSetupDialogData::ConvertFromNative()
-{
-    m_printData.ConvertFromNative ();
-    m_paperSize = m_printData.GetPaperSize() ;
-    CalculateIdFromPaperSize();
-    m_printData.m_nativePrintData->TransferTo( this ) ;
-    // adjust minimal values
-
-    if ( m_marginTopLeft.x < m_minMarginTopLeft.x )
-        m_marginTopLeft.x = m_minMarginTopLeft.x;
-
-    if ( m_marginBottomRight.x < m_minMarginBottomRight.x )
-        m_marginBottomRight.x = m_minMarginBottomRight.x;
-
-    if ( m_marginTopLeft.y < m_minMarginTopLeft.y )
-        m_marginTopLeft.y = m_minMarginTopLeft.y;
-
-    if ( m_marginBottomRight.y < m_minMarginBottomRight.y )
-        m_marginBottomRight.y = m_minMarginBottomRight.y;
-}
-#endif
-
-
 // If a corresponding paper type is found in the paper database, will set the m_printData
 // paper size id member as well.
 void wxPageSetupDialogData::SetPaperSize(const wxSize& sz)
@@ -672,7 +367,7 @@ void wxPageSetupDialogData::SetPrintData(const wxPrintData& printData)
 // paper id
 void wxPageSetupDialogData::CalculateIdFromPaperSize()
 {
-    wxASSERT_MSG( (wxThePrintPaperDatabase != (wxPrintPaperDatabase*) NULL),
+    wxASSERT_MSG( (wxThePrintPaperDatabase != NULL),
                   wxT("wxThePrintPaperDatabase should not be NULL. Do not create global print dialog data objects.") );
 
     wxSize sz = GetPaperSize();
@@ -687,14 +382,17 @@ void wxPageSetupDialogData::CalculateIdFromPaperSize()
 // Use paper id in wxPrintData to set this object's paper size
 void wxPageSetupDialogData::CalculatePaperSizeFromId()
 {
-    wxASSERT_MSG( (wxThePrintPaperDatabase != (wxPrintPaperDatabase*) NULL),
+    wxASSERT_MSG( (wxThePrintPaperDatabase != NULL),
                   wxT("wxThePrintPaperDatabase should not be NULL. Do not create global print dialog data objects.") );
 
     wxSize sz = wxThePrintPaperDatabase->GetSize(m_printData.GetPaperId());
 
-    // sz is in 10ths of a mm, while paper size is in mm
-    m_paperSize.x = sz.x / 10;
-    m_paperSize.y = sz.y / 10;
+    if (sz != wxSize(0, 0))
+    {
+        // sz is in 10ths of a mm, while paper size is in mm
+        m_paperSize.x = sz.x / 10;
+        m_paperSize.y = sz.y / 10;
+    }
 }
 
 #endif // wxUSE_PRINTING_ARCHITECTURE