src/mac/carbon/icon.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        icon.cpp
   3 // Purpose:     wxIcon class
   4 // Author:      Stefan Csomor
   5 // Modified by:
   6 // Created:     1998-01-01
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Stefan Csomor
   9 // Licence:       wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "icon.h"
  14 #endif
  15
  16 #include "wx/icon.h"
  17
  18 #if !USE_SHARED_LIBRARIES
  19 IMPLEMENT_DYNAMIC_CLASS(wxIcon, wxBitmap)
  20 #endif
  21
  22 #include "wx/image.h"
  23 #include "wx/mac/private.h"
  24
  25
  26 /*
  27  * Icons
  28  */
  29
  30 wxIcon::wxIcon()
  31 {
  32 }
  33
  34 wxIcon::wxIcon(const char bits[], int width, int height) :
  35     wxBitmap(bits, width, height)
  36 {
  37
  38 }
  39
  40 wxIcon::wxIcon( const char **bits ) :
  41     wxBitmap(bits)
  42 {
  43 }
  44
  45 wxIcon::wxIcon( char **bits ) :
  46     wxBitmap(bits)
  47 {
  48 }
  49
  50 wxIcon::wxIcon(const wxString& icon_file, int flags,
  51     int desiredWidth, int desiredHeight)
  52 {
  53     LoadFile(icon_file, (wxBitmapType) flags, desiredWidth, desiredHeight);
  54 }
  55
  56 wxIcon::~wxIcon()
  57 {
  58 }
  59
  60 bool wxIcon::LoadFile(const wxString& filename, wxBitmapType type,
  61     int desiredWidth, int desiredHeight)
  62 {
  63     UnRef();
  64
  65     wxBitmapHandler *handler = FindHandler(type);
  66
  67     if ( handler )
  68     {
  69         m_refData = new wxBitmapRefData;
  70         return handler->LoadFile(this, filename, type, desiredWidth, desiredHeight );
  71     }
  72     else
  73     {
  74         wxImage loadimage(filename, type);
  75         if (loadimage.Ok())
  76         {
  77             if ( desiredWidth == -1 )
  78                 desiredWidth = loadimage.GetWidth() ;
  79             if ( desiredHeight == -1 )
  80                 desiredHeight = loadimage.GetHeight() ;
  81             if ( desiredWidth != loadimage.GetWidth() || desiredHeight != loadimage.GetHeight() )
  82                 loadimage.Rescale( desiredWidth , desiredHeight ) ;
  83             wxBitmap bmp( loadimage );
  84             wxIcon *icon = (wxIcon*)(&bmp);
  85             *this = *icon;
  86             return true;
  87         }
  88     }
  89     return false ;
  90 }
  91
  92 void wxIcon::CopyFromBitmap(const wxBitmap& bmp)
  93 {
  94     wxIcon *icon = (wxIcon*)(&bmp);
  95     *this = *icon;
  96 }
  97
  98 IMPLEMENT_DYNAMIC_CLASS(wxICONResourceHandler, wxBitmapHandler)
  99
 100 bool  wxICONResourceHandler::LoadFile(wxBitmap *bitmap, const wxString& name, long flags,
 101                                       int desiredWidth, int desiredHeight)
 102 {
 103     short theId = -1 ;
 104     if ( name == wxT("wxICON_INFORMATION") )
 105     {
 106         theId = kNoteIcon ;
 107     }
 108     else if ( name == wxT("wxICON_QUESTION") )
 109     {
 110         theId = kCautionIcon ;
 111     }
 112     else if ( name == wxT("wxICON_WARNING") )
 113     {
 114         theId = kCautionIcon ;
 115     }
 116     else if ( name == wxT("wxICON_ERROR") )
 117     {
 118         theId = kStopIcon ;
 119     }
 120     else
 121     {
 122         Str255 theName ;
 123         OSType theType ;
 124         wxMacStringToPascal( name , theName ) ;
 125
 126         Handle resHandle = GetNamedResource( 'cicn' , theName ) ;
 127         if ( resHandle != 0L )
 128         {
 129             GetResInfo( resHandle , &theId , &theType , theName ) ;
 130             ReleaseResource( resHandle ) ;
 131         }
 132     }
 133     if ( theId != -1 )
 134     {
 135         CIconHandle theIcon = (CIconHandle ) GetCIcon( theId ) ;
 136         if ( theIcon )
 137         {
 138             M_BITMAPHANDLERDATA->m_hIcon = theIcon ;
 139             M_BITMAPHANDLERDATA->m_width =  32 ;
 140             M_BITMAPHANDLERDATA->m_height = 32 ;
 141
 142             M_BITMAPHANDLERDATA->m_depth = 8 ;
 143             M_BITMAPHANDLERDATA->m_ok = true ;
 144             M_BITMAPHANDLERDATA->m_numColors = 256 ;
 145             M_BITMAPHANDLERDATA->m_bitmapType = kMacBitmapTypeIcon ;
 146             return TRUE ;
 147         }
 148     }
 149     return FALSE ;
 150 }