contrib/include/wx/gizmos/statpict.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        statpict.h
   3 // Purpose:     wxStaticPicture class
   4 // Author:      Wade Brainerd
   5 // Modified by:
   6 // Created:     2003-05-01
   7 // RCS-ID:
   8 // Copyright:   (c) Wade Brainerd
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_STATPICT_H_
  13 #define _WX_STATPICT_H_
  14
  15 #if defined(__GNUG__) && !defined(__APPLE__)
  16 #pragma interface "statpict.h"
  17 #endif
  18
  19 #include "wx/control.h"
  20
  21 #include "wx/icon.h"
  22 #include "wx/bitmap.h"
  23 #include "wx/image.h"
  24
  25 enum
  26 {
  27     wxSCALE_HORIZONTAL = 0x1,
  28     wxSCALE_VERTICAL   = 0x2,
  29     wxSCALE_UNIFORM    = 0x4,
  30     wxSCALE_CUSTOM     = 0x8
  31 };
  32
  33 //WXDLLEXPORT_DATA(extern const wxChar*) wxStaticBitmapNameStr;
  34 extern const wxChar* wxStaticPictureNameStr;
  35
  36 class WXDLLIMPEXP_GIZMOS wxStaticPicture : public wxControl
  37 {
  38     DECLARE_DYNAMIC_CLASS(wxStaticPicture)
  39
  40 public:
  41     wxStaticPicture() {}
  42
  43     wxStaticPicture( wxWindow* parent, wxWindowID id,
  44         const wxBitmap& label,
  45         const wxPoint& pos = wxDefaultPosition,
  46         const wxSize& size = wxDefaultSize,
  47         long style = 0,
  48         const wxString& name = wxStaticPictureNameStr )
  49     {
  50         Create( parent, id, label, pos, size, style, name );
  51     }
  52
  53     bool Create( wxWindow* parent, wxWindowID id,
  54         const wxBitmap& label,
  55         const wxPoint& pos = wxDefaultPosition,
  56         const wxSize& size = wxDefaultSize,
  57         long style = 0,
  58         const wxString& name = wxStaticPictureNameStr );
  59
  60     virtual void Command(wxCommandEvent& WXUNUSED(event)) {}
  61     virtual bool ProcessCommand(wxCommandEvent& WXUNUSED(event)) {return true;}
  62     void OnPaint(wxPaintEvent& event);
  63
  64     void SetBitmap( const wxBitmap& bmp );
  65
  66     wxBitmap GetBitmap() const
  67     {
  68         return Bitmap;
  69     }
  70
  71     // Icon interface for compatibility with wxStaticBitmap.
  72     void SetIcon( const wxIcon& icon )
  73     {
  74         wxBitmap bmp;
  75         bmp.CopyFromIcon( icon );
  76         SetBitmap( bmp );
  77     }
  78
  79     wxIcon GetIcon() const
  80     {
  81         wxIcon icon;
  82         icon.CopyFromBitmap( Bitmap );
  83         return icon;
  84     }
  85
  86     void SetAlignment( int align )
  87     {
  88         Align = align;
  89     }
  90
  91     int GetAlignment() const
  92     {
  93         return Align;
  94     }
  95
  96     void SetScale( int scale )
  97     {
  98         Scale = scale;
  99     }
 100
 101     int GetScale() const
 102     {
 103         return Scale;
 104     }
 105
 106     void SetCustomScale( float sx, float sy )
 107     {
 108         ScaleX = sx;
 109         ScaleY = sy;
 110     }
 111
 112     void GetCustomScale( float* sx, float* sy ) const
 113     {
 114         *sx = ScaleX;
 115         *sy = ScaleY;
 116     }
 117
 118 protected:
 119     wxBitmap Bitmap;
 120
 121     int Align;
 122
 123     int Scale;
 124     float ScaleX;
 125     float ScaleY;
 126
 127 #ifndef __WXMSW__
 128     // When scaling is enabled, measures are taken to improve performance on non-Windows platforms.
 129     // - The original bitmap is stored as a wxImage, because conversion from wxBitmap to wxImage is slow.
 130     // - The latest scaled bitmap is cached, this improves performance when the control is repainted
 131     //   but the size hasn't changed (overlapping windows, movement, etc).
 132     wxImage OriginalImage;
 133     float LastScaleX;
 134     float LastScaleY;
 135     wxBitmap ScaledBitmap;
 136 #endif
 137
 138     DECLARE_EVENT_TABLE()
 139 };
 140
 141 #endif // #ifndef _WX_STATPICT_H_