Prevent seg fault for older GTK+

[wxWidgets.git] / include / wx / mgl / dc.h

diff --git a/include/wx/mgl/dc.h b/include/wx/mgl/dc.h
index 53d51c1cd654b8720857bfe0ef8a05931827d688..8c6ae8549e3c151db861ff36edf047768b954098 100644 (file)
--- a/include/wx/mgl/dc.h
+++ b/include/wx/mgl/dc.h
@@ -5,18 +5,13 @@
 // Created:     2001/03/09
 // RCS-ID:      $Id$
 // Copyright:   (c) 2001-2002 SciTech Software, Inc. (www.scitechsoft.com)
 // Created:     2001/03/09
 // RCS-ID:      $Id$
 // Copyright:   (c) 2001-2002 SciTech Software, Inc. (www.scitechsoft.com)

-// Licence:     wxWidgets licence
+// Licence:     wxWindows licence

 /////////////////////////////////////////////////////////////////////////////
 
 #ifndef _WX_DC_H_
 #define _WX_DC_H_
 
 /////////////////////////////////////////////////////////////////////////////
 
 #ifndef _WX_DC_H_
 #define _WX_DC_H_
 

-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-    #pragma interface "dc.h"
-#endif
-

 #include "wx/defs.h"
 #include "wx/defs.h"

-#include "wx/dc.h"

 #include "wx/region.h"
 
 //-----------------------------------------------------------------------------
 #include "wx/region.h"
 
 //-----------------------------------------------------------------------------


@@ -29,6 +24,7 @@ class WXDLLEXPORT wxDC;
 // constants
 //-----------------------------------------------------------------------------
 
 // constants
 //-----------------------------------------------------------------------------
 

+#ifndef MM_TEXT

 #define MM_TEXT         0
 #define MM_ISOTROPIC    1
 #define MM_ANISOTROPIC  2
 #define MM_TEXT         0
 #define MM_ISOTROPIC    1
 #define MM_ANISOTROPIC  2


@@ -37,6 +33,7 @@ class WXDLLEXPORT wxDC;
 #define MM_TWIPS        5
 #define MM_POINTS       6
 #define MM_METRIC       7
 #define MM_TWIPS        5
 #define MM_POINTS       6
 #define MM_METRIC       7

+#endif

 
 //-----------------------------------------------------------------------------
 // wxDC
 
 //-----------------------------------------------------------------------------
 // wxDC


@@ -54,7 +51,7 @@ class WXDLLEXPORT wxDC : public wxDCBase
 
 public:
     wxDC();
 
 public:
     wxDC();

-    ~wxDC();
+    virtual ~wxDC();

 
     // implement base class pure virtuals
     // ----------------------------------
 
     // implement base class pure virtuals
     // ----------------------------------


@@ -82,89 +79,31 @@ public:
                                  wxCoord *x, wxCoord *y,
                                  wxCoord *descent = NULL,
                                  wxCoord *externalLeading = NULL,
                                  wxCoord *x, wxCoord *y,
                                  wxCoord *descent = NULL,
                                  wxCoord *externalLeading = NULL,

-                                 wxFont *theFont = NULL) const;
+                                 const wxFont *theFont = NULL) const;

 
     virtual bool CanDrawBitmap() const;
     virtual bool CanGetTextExtent() const;
     virtual int GetDepth() const;
     virtual wxSize GetPPI() const;
 
 
     virtual bool CanDrawBitmap() const;
     virtual bool CanGetTextExtent() const;
     virtual int GetDepth() const;
     virtual wxSize GetPPI() const;
 

-    virtual void SetMapMode(int mode);
-    virtual void SetUserScale(double x, double y);
-    virtual void SetLogicalScale(double x, double y);
-    virtual void SetLogicalOrigin(wxCoord x, wxCoord y);
-    virtual void SetDeviceOrigin(wxCoord x, wxCoord y);
-    virtual void SetAxisOrientation(bool xLeftRight, bool yBottomUp);

     virtual void SetLogicalFunction(int function);
 
     // implementation from now on
     // --------------------------
     virtual void SetLogicalFunction(int function);
 
     // implementation from now on
     // --------------------------

-    
-    virtual void ComputeScaleAndOrigin();

 
 

-    wxCoord XDEV2LOG(wxCoord x) const
-    {
-        wxCoord new_x = x - m_deviceOriginX;
-        if (new_x > 0)
-            return (wxCoord)((double)(new_x) / m_scaleX + 0.5) * m_signX + m_logicalOriginX;
-        else
-            return (wxCoord)((double)(new_x) / m_scaleX - 0.5) * m_signX + m_logicalOriginX;
-    }
-    wxCoord XDEV2LOGREL(wxCoord x) const
-    {
-        if (x > 0)
-            return (wxCoord)((double)(x) / m_scaleX + 0.5);
-        else
-            return (wxCoord)((double)(x) / m_scaleX - 0.5);
-    }
-    wxCoord YDEV2LOG(wxCoord y) const
-    {
-        wxCoord new_y = y - m_deviceOriginY;
-        if (new_y > 0)
-            return (wxCoord)((double)(new_y) / m_scaleY + 0.5) * m_signY + m_logicalOriginY;
-        else
-            return (wxCoord)((double)(new_y) / m_scaleY - 0.5) * m_signY + m_logicalOriginY;
-    }
-    wxCoord YDEV2LOGREL(wxCoord y) const
-    {
-        if (y > 0)
-            return (wxCoord)((double)(y) / m_scaleY + 0.5);
-        else
-            return (wxCoord)((double)(y) / m_scaleY - 0.5);
-    }
-    wxCoord XLOG2DEV(wxCoord x) const
-    {
-        wxCoord new_x = x - m_logicalOriginX;
-        if (new_x > 0)
-            return (wxCoord)((double)(new_x) * m_scaleX + 0.5) * m_signX + m_deviceOriginX;
-        else
-            return (wxCoord)((double)(new_x) * m_scaleX - 0.5) * m_signX + m_deviceOriginX;
-    }
-    wxCoord XLOG2DEVREL(wxCoord x) const
-    {
-        if (x > 0)
-            return (wxCoord)((double)(x) * m_scaleX + 0.5);
-        else
-            return (wxCoord)((double)(x) * m_scaleX - 0.5);
-    }
-    wxCoord YLOG2DEV(wxCoord y) const
-    {
-        wxCoord new_y = y - m_logicalOriginY;
-        if (new_y > 0)
-            return (wxCoord)((double)(new_y) * m_scaleY + 0.5) * m_signY + m_deviceOriginY;
-        else
-            return (wxCoord)((double)(new_y) * m_scaleY - 0.5) * m_signY + m_deviceOriginY;
-    }
-    wxCoord YLOG2DEVREL(wxCoord y) const
-    {
-        if (y > 0)
-            return (wxCoord)((double)(y) * m_scaleY + 0.5);
-        else
-            return (wxCoord)((double)(y) * m_scaleY - 0.5);
-    }
+    virtual void ComputeScaleAndOrigin();
+    
+    wxCoord XDEV2LOG(wxCoord x) const       { return DeviceToLogicalX(x); }
+    wxCoord XDEV2LOGREL(wxCoord x) const    { return DeviceToLogicalXRel(x); }
+    wxCoord YDEV2LOG(wxCoord y) const       { return DeviceToLogicalY(y); }
+    wxCoord YDEV2LOGREL(wxCoord y) const    { return DeviceToLogicalYRel(y); }
+    wxCoord XLOG2DEV(wxCoord x) const       { return LogicalToDeviceX(x); }
+    wxCoord XLOG2DEVREL(wxCoord x) const    { return LogicalToDeviceXRel(x); }
+    wxCoord YLOG2DEV(wxCoord y) const       { return LogicalToDeviceY(y); }
+    wxCoord YLOG2DEVREL(wxCoord y) const    { return LogicalToDeviceYRel(y); }

 
     MGLDevCtx *GetMGLDC() const { return m_MGLDC; }
 
     MGLDevCtx *GetMGLDC() const { return m_MGLDC; }

-    void SetMGLDC(MGLDevCtx *mgldc, bool OwnsMGLDC = FALSE);
+    void SetMGLDC(MGLDevCtx *mgldc, bool OwnsMGLDC = false);

 
 protected:
     virtual bool DoFloodFill(wxCoord x, wxCoord y, const wxColour& col,
 
 protected:
     virtual bool DoFloodFill(wxCoord x, wxCoord y, const wxColour& col,


@@ -191,7 +130,7 @@ protected:
 
     virtual void DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y);
     virtual void DoDrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y,
 
     virtual void DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y);
     virtual void DoDrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y,

-                              bool useMask = FALSE);
+                              bool useMask = false);

 
     virtual void DoDrawText(const wxString& text, wxCoord x, wxCoord y);
     virtual void DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y,
 
     virtual void DoDrawText(const wxString& text, wxCoord x, wxCoord y);
     virtual void DoDrawRotatedText(const wxString& text, wxCoord x, wxCoord y,


@@ -199,18 +138,13 @@ protected:
 
     virtual bool DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
                         wxDC *source, wxCoord xsrc, wxCoord ysrc,
 
     virtual bool DoBlit(wxCoord xdest, wxCoord ydest, wxCoord width, wxCoord height,
                         wxDC *source, wxCoord xsrc, wxCoord ysrc,

-                        int rop = wxCOPY, bool useMask = FALSE, wxCoord xsrcMask = -1, wxCoord ysrcMask = -1);
+                        int rop = wxCOPY, bool useMask = false, wxCoord xsrcMask = -1, wxCoord ysrcMask = -1);

 
     // this is gnarly - we can't even call this function DoSetClippingRegion()
     // because of virtual function hiding
     virtual void DoSetClippingRegionAsRegion(const wxRegion& region);
     virtual void DoSetClippingRegion(wxCoord x, wxCoord y,
                                      wxCoord width, wxCoord height);
 
     // this is gnarly - we can't even call this function DoSetClippingRegion()
     // because of virtual function hiding
     virtual void DoSetClippingRegionAsRegion(const wxRegion& region);
     virtual void DoSetClippingRegion(wxCoord x, wxCoord y,
                                      wxCoord width, wxCoord height);

-    virtual void DoGetClippingRegion(wxCoord *x, wxCoord *y,
-                                     wxCoord *width, wxCoord *height)
-    {
-        GetClippingBox(x, y, width, height);
-    }

 
     virtual void DoGetSize(int *width, int *height) const;
     virtual void DoGetSizeMM(int* width, int* height) const;
 
     virtual void DoGetSize(int *width, int *height) const;
     virtual void DoGetSizeMM(int* width, int* height) const;


@@ -230,50 +164,50 @@ protected:
 
     // common part of DoDrawText() and DoDrawRotatedText()
     void DrawAnyText(const wxString& text, wxCoord x, wxCoord y);
 
     // common part of DoDrawText() and DoDrawRotatedText()
     void DrawAnyText(const wxString& text, wxCoord x, wxCoord y);

-    
+

     // MGL uses pens as both wxPens and wxBrushes, so we have to
     // switch them as needed:
     void SelectPen();
     void SelectBrush();
     void SelectMGLStipplePen(int style);
     void SelectMGLFatPen(int style, int flag);
     // MGL uses pens as both wxPens and wxBrushes, so we have to
     // switch them as needed:
     void SelectPen();
     void SelectBrush();
     void SelectMGLStipplePen(int style);
     void SelectMGLFatPen(int style, int flag);

-    
+

     // Select m_font into m_MGLDC:
     bool SelectMGLFont();
     // Select m_font into m_MGLDC:
     bool SelectMGLFont();

-    
+

     // Convert wxWin logical function to MGL rop:
     int LogicalFunctionToMGLRop(int logFunc) const;
     // Convert wxWin logical function to MGL rop:
     int LogicalFunctionToMGLRop(int logFunc) const;

-    
+

     // Unified implementation of DrawIcon, DrawBitmap and Blit:
     // Unified implementation of DrawIcon, DrawBitmap and Blit:

-    void DoDrawSubBitmap(const wxBitmap &bmp, 
+    void DoDrawSubBitmap(const wxBitmap &bmp,

                          wxCoord x, wxCoord y, wxCoord w, wxCoord h,
                          wxCoord destx, wxCoord desty, int rop, bool useMask);
 
     // MGL DC class we use:
     MGLDevCtx        *m_MGLDC;
     bool              m_OwnsMGLDC:1;
                          wxCoord x, wxCoord y, wxCoord w, wxCoord h,
                          wxCoord destx, wxCoord desty, int rop, bool useMask);
 
     // MGL DC class we use:
     MGLDevCtx        *m_MGLDC;
     bool              m_OwnsMGLDC:1;

-   
+

     // helper variables for SelectXXXX():
     bool              m_penSelected;
     bool              m_brushSelected;
     bool              m_downloadedPatterns[2];
 
     // helper variables for SelectXXXX():
     bool              m_penSelected;
     bool              m_brushSelected;
     bool              m_downloadedPatterns[2];
 

-    // MGL does not render lines with width>1 with endings centered 
+    // MGL does not render lines with width>1 with endings centered

     // at given coords but with top left corner of the pen at them,
     // these offsets are used to correct it. They are computed by
     // SelectPen.
     int               m_penOfsX, m_penOfsY;
 
     double            m_mm_to_pix_x, m_mm_to_pix_y;
     // at given coords but with top left corner of the pen at them,
     // these offsets are used to correct it. They are computed by
     // SelectPen.
     int               m_penOfsX, m_penOfsY;
 
     double            m_mm_to_pix_x, m_mm_to_pix_y;

-    
+

     wxPalette         m_oldPalette;
     wxPalette         m_oldPalette;

-    
+

     wxRegion          m_currentClippingRegion;
     wxRegion          m_globalClippingRegion;
 
     // wxDC::Blit handles memoryDCs as special cases :(
     bool              m_isMemDC;
     wxRegion          m_currentClippingRegion;
     wxRegion          m_globalClippingRegion;
 
     // wxDC::Blit handles memoryDCs as special cases :(
     bool              m_isMemDC;

-    
+

     font_t            *m_mglFont;
 };
 
     font_t            *m_mglFont;
 };