forward port from 2.8

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

diff --git a/include/wx/gtk/dc.h b/include/wx/gtk/dc.h
index 84c79d735301f0e7284814129f737d95b7c2b189..d19fbdc1d2ff06458363688a93ca36b3318545b2 100644 (file)
--- a/include/wx/gtk/dc.h
+++ b/include/wx/gtk/dc.h
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        dc.h
+// Name:        wx/gtk/dc.h
 // Purpose:
 // Author:      Robert Roebling
 // Id:          $Id$
@@ -7,148 +7,52 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-
 #ifndef __GTKDCH__
 #define __GTKDCH__
 
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-#pragma interface
-#endif
-
-//-----------------------------------------------------------------------------
-// classes
-//-----------------------------------------------------------------------------
-
-class wxDC;
 
 //-----------------------------------------------------------------------------
-// constants
+// wxDC
 //-----------------------------------------------------------------------------
 
-#ifndef MM_TEXT
-#define MM_TEXT         0
-#define MM_ISOTROPIC    1
-#define MM_ANISOTROPIC  2
-#define MM_LOMETRIC     3
-#define MM_HIMETRIC     4
-#define MM_TWIPS        5
-#define MM_POINTS       6
-#define MM_METRIC       7
+#if wxUSE_NEW_DC
+class WXDLLIMPEXP_CORE wxGTKImplDC : public wxImplDC
+#else
+#define wxGTKImplDC wxDC
+class WXDLLIMPEXP_CORE wxDC : public wxDCBase
 #endif
 
-//-----------------------------------------------------------------------------
-// wxDC
-//-----------------------------------------------------------------------------
-
-class wxDC : public wxDCBase
 {
 public:
+#if wxUSE_NEW_DC
+    wxGTKImplDC( wxDC *owner );
+#else
     wxDC();
-    ~wxDC() { }
+#endif
+
+    virtual ~wxGTKImplDC();
 
+#if wxUSE_PALETTE
     void SetColourMap( const wxPalette& palette ) { SetPalette(palette); };
+#endif // wxUSE_PALETTE
 
     // Resolution in pixels per logical inch
     virtual wxSize GetPPI() const;
 
-    virtual bool StartDoc( const wxString& WXUNUSED(message) ) { return TRUE; }
+    virtual bool StartDoc( const wxString& WXUNUSED(message) ) { return true; }
     virtual void EndDoc() { }
     virtual void StartPage() { }
     virtual void EndPage() { }
 
-    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 );
-
-    // implementation
-    // --------------
-
-    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 GdkWindow* GetGDKWindow() const { return NULL; }
 
 protected:
     // base class pure virtuals implemented here
     virtual void DoSetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height);
     virtual void DoGetSizeMM(int* width, int* height) const;
 
-public:
-    // GTK-specific member variables
-
-    // not sure what for, but what is a mm on a screen you don't know the size
-    // of?
-    double       m_mm_to_pix_x,
-                 m_mm_to_pix_y;
-
-    bool         m_needComputeScaleX,
-                 m_needComputeScaleY; // not yet used
-
-
 private:
-    DECLARE_ABSTRACT_CLASS(wxDC)
+    DECLARE_ABSTRACT_CLASS(wxGTKImplDC)
 };
 
 // this must be defined when wxDC::Blit() honours the DC origian and needed to