X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/83df96d63a52ebb08b9e32549dc255354b4a18d0..6b06226335f3deaf7cc5f53cdf7341713a8cdca2:/include/wx/x11/dc.h

diff --git a/include/wx/x11/dc.h b/include/wx/x11/dc.h
index f456f8d57f..f00e79e833 100644
--- a/include/wx/x11/dc.h
+++ b/include/wx/x11/dc.h
@@ -12,10 +12,6 @@
 #ifndef _WX_DC_H_
 #define _WX_DC_H_
 
-#ifdef __GNUG__
-#pragma interface "dc.h"
-#endif
-
 #include "wx/pen.h"
 #include "wx/brush.h"
 #include "wx/icon.h"
@@ -43,125 +39,73 @@
 
 class WXDLLEXPORT wxDC : public wxDCBase
 {
-    DECLARE_DYNAMIC_CLASS(wxDC)
-        
 public:
     wxDC();
-    ~wxDC() { }
-    
+    virtual ~wxDC() { }
+
     // implement base class pure virtuals
     // ----------------------------------
-    
-    virtual void DestroyClippingRegion();
-    
+
     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);
-    
+
 protected:
-    virtual void DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y);
-    virtual void DoDrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y,
-        bool useMask = FALSE);
-    
     virtual void DoSetClippingRegion(wxCoord x, wxCoord y,
         wxCoord width, wxCoord height);
-    virtual void DoGetSize(int *width, int *height) const;
     virtual void DoGetSizeMM(int* width, int* height) const;
-    
+
 public:
-    void ComputeScaleAndOrigin();
-    
+    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;
+        return wxRound((double)(x - m_deviceOriginX) / m_scaleX) * 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);
+        return wxRound((double)(x) / m_scaleX);
     }
     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;
+        return wxRound((double)(y - m_deviceOriginY) / m_scaleY) * 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);
+        return wxRound((double)(y) / m_scaleY);
     }
     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;
-    }
-    // Without device translation, for backing pixmap purposes
-    wxCoord XLOG2DEV_2(wxCoord x) const
-    {
-        wxCoord new_x = x - m_logicalOriginX;
-        if (new_x > 0)
-            return (wxCoord)((double)(new_x) * m_scaleX + 0.5) * m_signX;
-        else
-            return (wxCoord)((double)(new_x) * m_scaleX - 0.5) * m_signX;
+        return wxRound((double)(x - m_logicalOriginX) * m_scaleX) * 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);
+        return wxRound((double)(x) * m_scaleX);
     }
     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;
-    }
-    // Without device translation, for backing pixmap purposes
-    wxCoord YLOG2DEV_2(wxCoord y) const
-    {
-        wxCoord new_y = y - m_logicalOriginY;
-        if (new_y > 0)
-            return (wxCoord)((double)(new_y) * m_scaleY + 0.5) * m_signY;
-        else
-            return (wxCoord)((double)(new_y) * m_scaleY - 0.5) * m_signY;
+        return wxRound((double)(y - m_logicalOriginY) * m_scaleY) * 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);
+        return wxRound((double)(y) * m_scaleY);
     }
-    
+
 public:
     // 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;
-    
+
     // recompute scale?
     bool         m_needComputeScaleX, m_needComputeScaleY;
-    
+
+
+private:
+    DECLARE_ABSTRACT_CLASS(wxDC)
 };
 
 #endif