src/msw/icon.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        msw/icon.cpp
   3 // Purpose:     wxIcon class
   4 // Author:      Julian Smart
   5 // Modified by: 20.11.99 (VZ): don't derive from wxBitmap any more
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #ifdef __GNUG__
  21     #pragma implementation "icon.h"
  22 #endif
  23
  24 // For compilers that support precompilation, includes "wx.h".
  25 #include "wx/wxprec.h"
  26
  27 #ifdef __BORLANDC__
  28     #pragma hdrstop
  29 #endif
  30
  31 #ifndef WX_PRECOMP
  32     #include "wx/defs.h"
  33     #include "wx/list.h"
  34     #include "wx/utils.h"
  35     #include "wx/app.h"
  36     #include "wx/icon.h"
  37     #include "wx/bitmap.h"
  38     #include "wx/log.h"
  39 #endif
  40
  41 #include "wx/msw/private.h"
  42
  43 // ----------------------------------------------------------------------------
  44 // wxWin macros
  45 // ----------------------------------------------------------------------------
  46
  47 IMPLEMENT_DYNAMIC_CLASS(wxIcon, wxGDIObject)
  48
  49 // ============================================================================
  50 // implementation
  51 // ============================================================================
  52
  53 // ----------------------------------------------------------------------------
  54 // wxIconRefData
  55 // ----------------------------------------------------------------------------
  56
  57 void wxIconRefData::Free()
  58 {
  59     if ( m_hIcon )
  60     {
  61 #ifndef __WXMICROWIN__
  62         ::DestroyIcon((HICON) m_hIcon);
  63 #endif
  64
  65         m_hIcon = 0;
  66     }
  67 }
  68
  69 // ----------------------------------------------------------------------------
  70 // wxIcon
  71 // ----------------------------------------------------------------------------
  72
  73 wxIcon::wxIcon(const char bits[], int width, int height)
  74 {
  75     wxBitmap bmp(bits, width, height);
  76     CopyFromBitmap(bmp);
  77 }
  78
  79 wxIcon::wxIcon(const wxString& iconfile,
  80                long flags,
  81                int desiredWidth,
  82                int desiredHeight)
  83
  84 {
  85     LoadFile(iconfile, flags, desiredWidth, desiredHeight);
  86 }
  87
  88 wxIcon::~wxIcon()
  89 {
  90 }
  91
  92 void wxIcon::CopyFromBitmap(const wxBitmap& bmp)
  93 {
  94 #ifndef __WXMICROWIN__
  95     HICON hicon = wxBitmapToHICON(bmp);
  96     if ( !hicon )
  97     {
  98         wxLogLastError(wxT("CreateIconIndirect"));
  99     }
 100     else
 101     {
 102         SetHICON((WXHICON)hicon);
 103         SetSize(bmp.GetWidth(), bmp.GetHeight());
 104     }
 105 #endif // __WXMICROWIN__
 106 }
 107
 108 void wxIcon::CreateIconFromXpm(const char **data)
 109 {
 110     wxBitmap bmp(data);
 111     CopyFromBitmap(bmp);
 112 }
 113
 114 bool wxIcon::LoadFile(const wxString& filename,
 115                       long type,
 116                       int desiredWidth, int desiredHeight)
 117 {
 118     UnRef();
 119
 120     wxGDIImageHandler *handler = FindHandler(type);
 121
 122     if ( !handler )
 123     {
 124         // say something?
 125         return FALSE;
 126     }
 127
 128     return handler->Load(this, filename, type, desiredWidth, desiredHeight);
 129 }
 130