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 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  13 #pragma implementation "icon.h"
  14 #endif
  15
  16 #include "wx/wxprec.h"
  17
  18 #include "wx/icon.h"
  19
  20 #if !USE_SHARED_LIBRARIES
  21 IMPLEMENT_DYNAMIC_CLASS(wxIcon, wxBitmap)
  22 #endif
  23
  24 #include "wx/image.h"
  25 #include "wx/mac/private.h"
  26
  27
  28 /*
  29  * Icons
  30  */
  31
  32 wxIcon::wxIcon()
  33 {
  34 }
  35
  36 wxIcon::wxIcon(const char bits[], int width, int height) :
  37     wxBitmap(bits, width, height)
  38 {
  39
  40 }
  41
  42 wxIcon::wxIcon( const char **bits ) :
  43     wxBitmap(bits)
  44 {
  45 }
  46
  47 wxIcon::wxIcon( char **bits ) :
  48     wxBitmap(bits)
  49 {
  50 }
  51
  52 wxIcon::wxIcon(const wxString& icon_file, int flags,
  53     int desiredWidth, int desiredHeight)
  54 {
  55     LoadFile(icon_file, (wxBitmapType) flags, desiredWidth, desiredHeight);
  56 }
  57
  58 wxIcon::~wxIcon()
  59 {
  60 }
  61
  62 bool wxIcon::LoadFile(const wxString& filename, wxBitmapType type,
  63     int desiredWidth, int desiredHeight)
  64 {
  65     UnRef();
  66
  67     wxBitmapHandler *handler = FindHandler(type);
  68
  69     if ( handler )
  70     {
  71         m_refData = new wxBitmapRefData;
  72         return handler->LoadFile(this, filename, type, desiredWidth, desiredHeight );
  73     }
  74     else
  75     {
  76         wxImage loadimage(filename, type);
  77         if (loadimage.Ok())
  78         {
  79             if ( desiredWidth == -1 )
  80                 desiredWidth = loadimage.GetWidth() ;
  81             if ( desiredHeight == -1 )
  82                 desiredHeight = loadimage.GetHeight() ;
  83             if ( desiredWidth != loadimage.GetWidth() || desiredHeight != loadimage.GetHeight() )
  84                 loadimage.Rescale( desiredWidth , desiredHeight ) ;
  85             wxBitmap bmp( loadimage );
  86             wxIcon *icon = (wxIcon*)(&bmp);
  87             *this = *icon;
  88             return true;
  89         }
  90     }
  91     return false ;
  92 }
  93
  94 void wxIcon::CopyFromBitmap(const wxBitmap& bmp)
  95 {
  96     wxIcon *icon = (wxIcon*)(&bmp);
  97     *this = *icon;
  98 }
  99
 100 IMPLEMENT_DYNAMIC_CLASS(wxICONResourceHandler, wxBitmapHandler)
 101
 102 bool  wxICONResourceHandler::LoadFile(wxBitmap *bitmap, const wxString& name, long flags,
 103                                       int desiredWidth, int desiredHeight)
 104 {
 105     short theId = -1 ;
 106     if ( name == wxT("wxICON_INFORMATION") )
 107     {
 108         theId = kNoteIcon ;
 109     }
 110     else if ( name == wxT("wxICON_QUESTION") )
 111     {
 112         theId = kCautionIcon ;
 113     }
 114     else if ( name == wxT("wxICON_WARNING") )
 115     {
 116         theId = kCautionIcon ;
 117     }
 118     else if ( name == wxT("wxICON_ERROR") )
 119     {
 120         theId = kStopIcon ;
 121     }
 122     else
 123     {
 124         Str255 theName ;
 125         OSType theType ;
 126         wxMacStringToPascal( name , theName ) ;
 127
 128         Handle resHandle = GetNamedResource( 'cicn' , theName ) ;
 129         if ( resHandle != 0L )
 130         {
 131             GetResInfo( resHandle , &theId , &theType , theName ) ;
 132             ReleaseResource( resHandle ) ;
 133         }
 134     }
 135     if ( theId != -1 )
 136     {
 137         CIconHandle theIcon = (CIconHandle ) GetCIcon( theId ) ;
 138         if ( theIcon )
 139         {
 140             M_BITMAPHANDLERDATA->m_hIcon = theIcon ;
 141             M_BITMAPHANDLERDATA->m_width =  32 ;
 142             M_BITMAPHANDLERDATA->m_height = 32 ;
 143
 144             M_BITMAPHANDLERDATA->m_depth = 8 ;
 145             M_BITMAPHANDLERDATA->m_ok = true ;
 146             M_BITMAPHANDLERDATA->m_numColors = 256 ;
 147             M_BITMAPHANDLERDATA->m_bitmapType = kMacBitmapTypeIcon ;
 148             return TRUE ;
 149         }
 150     }
 151     return FALSE ;
 152 }