src/mac/carbon/icon.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        icon.cpp
   3 // Purpose:     wxIcon class
   4 // Author:      AUTHOR
   5 // Modified by:
   6 // Created:     ??/??/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) AUTHOR
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "icon.h"
  14 #endif
  15
  16 #include "wx/icon.h"
  17
  18 IMPLEMENT_DYNAMIC_CLASS(wxIcon, wxBitmap)
  19
  20 /*
  21  * Icons
  22  */
  23
  24
  25 wxIconRefData::wxIconRefData()
  26 {
  27     m_ok = FALSE;
  28     m_width = 0;
  29     m_height = 0;
  30     m_depth = 0;
  31     m_quality = 0;
  32     m_numColors = 0;
  33     m_bitmapMask = NULL;
  34                 m_hBitmap = NULL ;
  35                 m_hIcon = NULL ;
  36 }
  37
  38 wxIconRefData::~wxIconRefData()
  39 {
  40         if ( m_hIcon )
  41         {
  42                 DisposeCIcon( m_hIcon ) ;
  43                 m_hIcon = NULL ;
  44         }
  45
  46   if (m_bitmapMask)
  47   {
  48     delete m_bitmapMask;
  49     m_bitmapMask = NULL;
  50   }
  51 }
  52
  53 wxIcon::wxIcon()
  54 {
  55 }
  56
  57 wxIcon::wxIcon(const char WXUNUSED(bits)[], int WXUNUSED(width), int WXUNUSED(height))
  58 {
  59 }
  60
  61 wxIcon::wxIcon(const wxString& icon_file, long flags,
  62     int desiredWidth, int desiredHeight)
  63
  64 {
  65     LoadFile(icon_file, flags, desiredWidth, desiredHeight);
  66 }
  67
  68 wxIcon::~wxIcon()
  69 {
  70 }
  71
  72 bool wxIcon::LoadFile(const wxString& filename, long type,
  73     int desiredWidth, int desiredHeight)
  74 {
  75   UnRef();
  76
  77   m_refData = new wxIconRefData;
  78
  79   wxBitmapHandler *handler = FindHandler(type);
  80
  81   if ( handler )
  82         return handler->LoadFile(this, filename, type, desiredWidth, desiredHeight);
  83   else
  84         return FALSE;
  85 }
  86
  87 IMPLEMENT_DYNAMIC_CLASS(wxICONResourceHandler, wxBitmapHandler)
  88
  89 bool  wxICONResourceHandler::LoadFile(wxBitmap *bitmap, const wxString& name, long flags,
  90           int desiredWidth, int desiredHeight)
  91 {
  92         Str255 theName ;
  93         short theId ;
  94         OSType theType ;
  95         strcpy( (char*) theName , name ) ;
  96         c2pstr( (char*) theName ) ;
  97
  98         Handle resHandle = GetNamedResource( 'cicn' , theName ) ;
  99         GetResInfo( resHandle , &theId , &theType , theName ) ;
 100         ReleaseResource( resHandle ) ;
 101
 102         CIconHandle theIcon = (CIconHandle ) GetCIcon( theId ) ;
 103         if ( theIcon )
 104         {
 105                 M_ICONHANDLERDATA->m_hIcon = theIcon ;
 106                 M_ICONHANDLERDATA->m_width =  32 ;
 107                 M_ICONHANDLERDATA->m_height = 32 ;
 108
 109                 M_ICONHANDLERDATA->m_depth = 8 ;
 110                 M_ICONHANDLERDATA->m_ok = true ;
 111                 M_ICONHANDLERDATA->m_numColors = 256 ;
 112                 return TRUE ;
 113         }
 114         return FALSE ;
 115 }