/////////////////////////////////////////////////////////////////////////////
-// Name: dc.h
+// Name: wx/gtk1/dc.h
// Purpose:
// Author: Robert Roebling
// Id: $Id$
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-
#ifndef __GTKDCH__
#define __GTKDCH__
-#if defined(__GNUG__) && !defined(__APPLE__)
-#pragma interface
-#endif
-
//-----------------------------------------------------------------------------
// classes
//-----------------------------------------------------------------------------
-class wxDC;
+class WXDLLIMPEXP_CORE wxDC;
//-----------------------------------------------------------------------------
// constants
//-----------------------------------------------------------------------------
+#ifndef MM_TEXT
#define MM_TEXT 0
#define MM_ISOTROPIC 1
#define MM_ANISOTROPIC 2
#define MM_TWIPS 5
#define MM_POINTS 6
#define MM_METRIC 7
+#endif
//-----------------------------------------------------------------------------
// wxDC
//-----------------------------------------------------------------------------
-class wxDC : public wxDCBase
+class WXDLLIMPEXP_CORE wxDC : public wxDCBase
{
public:
wxDC();
- ~wxDC() { }
+ virtual ~wxDC() { }
+#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 ComputeScaleAndOrigin();
+ virtual GdkWindow* GetGDKWindow() const { return NULL; }
+
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;
+ 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;
+ 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);
}
protected: