include/wx/motif/dc.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/motif/dc.h
   3 // Purpose:     wxDC class
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     17/09/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_DC_H_
  13 #define _WX_DC_H_
  14
  15 #include "wx/pen.h"
  16 #include "wx/brush.h"
  17 #include "wx/icon.h"
  18 #include "wx/font.h"
  19 #include "wx/gdicmn.h"
  20
  21 //-----------------------------------------------------------------------------
  22 // constants
  23 //-----------------------------------------------------------------------------
  24
  25 #ifndef MM_TEXT
  26 #define MM_TEXT         0
  27 #define MM_ISOTROPIC    1
  28 #define MM_ANISOTROPIC  2
  29 #define MM_LOMETRIC     3
  30 #define MM_HIMETRIC     4
  31 #define MM_TWIPS        5
  32 #define MM_POINTS       6
  33 #define MM_METRIC       7
  34 #endif
  35
  36 //-----------------------------------------------------------------------------
  37 // wxDC
  38 //-----------------------------------------------------------------------------
  39
  40 class WXDLLEXPORT wxDC : public wxDCBase
  41 {
  42     DECLARE_DYNAMIC_CLASS(wxDC)
  43
  44 public:
  45     wxDC();
  46     virtual ~wxDC() { }
  47
  48     virtual wxSize GetPPI() const;
  49
  50 protected:
  51     virtual void DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y);
  52     virtual void DoDrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y,
  53         bool useMask = false);
  54
  55     virtual void DoSetClippingRegion(wxCoord x, wxCoord y,
  56         wxCoord width, wxCoord height);
  57     virtual void DoGetSize(int *width, int *height) const;
  58     virtual void DoGetSizeMM(int* width, int* height) const;
  59
  60 public:
  61     // implementation
  62     wxCoord XDEV2LOG(wxCoord x) const       { return DeviceToLogicalX(x); }
  63     wxCoord XDEV2LOGREL(wxCoord x) const    { return DeviceToLogicalXRel(x); }
  64     wxCoord YDEV2LOG(wxCoord y) const       { return DeviceToLogicalY(y); }
  65     wxCoord YDEV2LOGREL(wxCoord y) const    { return DeviceToLogicalYRel(y); }
  66     wxCoord XLOG2DEV(wxCoord x) const       { return LogicalToDeviceX(x); }
  67     wxCoord XLOG2DEVREL(wxCoord x) const    { return LogicalToDeviceXRel(x); }
  68     wxCoord YLOG2DEV(wxCoord y) const       { return LogicalToDeviceY(y); }
  69     wxCoord YLOG2DEVREL(wxCoord y) const    { return LogicalToDeviceYRel(y); }
  70
  71     // Without device translation, for backing pixmap purposes
  72     wxCoord XLOG2DEV_2(wxCoord x) const
  73     {
  74         return wxRound((double)(x - m_logicalOriginX) * m_scaleX) * m_signX;
  75     }
  76     wxCoord YLOG2DEV_2(wxCoord y) const
  77     {
  78         return wxRound((double)(y - m_logicalOriginY) * m_scaleY) * m_signY;
  79     }
  80
  81 };
  82
  83 #endif
  84 // _WX_DC_H_