simplify Refresh() and Update()

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

diff --git a/include/wx/gtk/dc.h b/include/wx/gtk/dc.h
index 8c447ae4266e3bfad9dc04add64ea32a1b5af054..2e067abc9580fd44d9b10887e478e842ccffd28e 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:          $Id$
@@ -7,149 +7,47 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
+#ifndef _WX_GTKDC_H_
+#define _WX_GTKDC_H_
 
-#ifndef __GTKDCH__
-#define __GTKDCH__
-
-#ifdef __GNUG__
-#pragma interface
-#endif
-
-//-----------------------------------------------------------------------------
-// classes
-//-----------------------------------------------------------------------------
-
-class wxDC;
-
-//-----------------------------------------------------------------------------
-// constants
-//-----------------------------------------------------------------------------
-
-#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
+#include "wx/dc.h"
 
 //-----------------------------------------------------------------------------
 // wxDC
 //-----------------------------------------------------------------------------
 
-class wxDC : public wxDCBase
+class WXDLLIMPEXP_CORE wxGTKDCImpl : public wxDCImpl
 {
 public:
-    wxDC();
-    ~wxDC() { }
+    wxGTKDCImpl( wxDC *owner );
+    virtual ~wxGTKDCImpl();
 
+#if wxUSE_PALETTE
     void SetColourMap( const wxPalette& palette ) { SetPalette(palette); };
-
-    // the first two must be overridden and called
-    virtual void DestroyClippingRegion();
+#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 GdkWindow* GetGDKWindow() const { return NULL; }
 
-    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);
-    }
-
-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(wxGTKDCImpl)
 };
 
-#endif // __GTKDCH__
+// this must be defined when wxDC::Blit() honours the DC origin and needed to
+// allow wxUniv code in univ/winuniv.cpp to work with versions of wxGTK
+// 2.3.[23]
+#ifndef wxHAS_WORKING_GTK_DC_BLIT
+    #define wxHAS_WORKING_GTK_DC_BLIT
+#endif
+
+#endif // _WX_GTKDC_H_