src/common/iconbndl.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        iconbndl.cpp
   3 // Purpose:     wxIconBundle
   4 // Author:      Mattia Barbon
   5 // Created:     23.03.2002
   6 // RCS-ID:      $Id$
   7 // Copyright:   (c) Mattia barbon
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 #ifdef __GNUG__
  12     #pragma implementation "iconbndl.h"
  13 #endif
  14
  15 // For compilers that support precompilation, includes "wx.h".
  16 #include "wx/wxprec.h"
  17
  18 #ifdef __BORLANDC__
  19     #pragma hdrstop
  20 #endif
  21
  22 #ifndef WX_PRECOMP
  23     #include "wx/settings.h"
  24     #include "wx/icon.h"
  25     #include "wx/log.h"
  26     #include "wx/intl.h"
  27     #include "wx/bitmap.h"
  28 #endif
  29
  30 #ifndef _WX_IMAGE_H_
  31     #include "wx/image.h"
  32 #endif
  33
  34 #include "wx/iconbndl.h"
  35 #include "wx/arrimpl.cpp"
  36
  37 WX_DEFINE_OBJARRAY(wxIconArray)
  38
  39 const wxIconBundle& wxIconBundle::operator =( const wxIconBundle& ic )
  40 {
  41     if( this == &ic ) return *this;
  42
  43     size_t i, max = ic.m_icons.GetCount();
  44
  45     DeleteIcons();
  46     for( i = 0; i < max; ++i )
  47         m_icons.Add( ic.m_icons[i] );
  48
  49     return *this;
  50 }
  51
  52 void wxIconBundle::DeleteIcons()
  53 {
  54     m_icons.Empty();
  55 }
  56
  57 void wxIconBundle::AddIcon( const wxString& file, long type )
  58 {
  59     size_t count = wxImage::GetImageCount( file, type );
  60     size_t i;
  61     wxImage image;
  62
  63     for( i = 0; i < count; ++i )
  64     {
  65         if( !image.LoadFile( file, type, i ) )
  66         {
  67             wxLogError( _("Failed to load image %d from file '%s'."),
  68                         i, file.c_str() );
  69             continue;
  70         }
  71
  72         wxIcon* tmp = new wxIcon();
  73         tmp->CopyFromBitmap( wxBitmap( image ) );
  74         AddIcon( *tmp );
  75         delete tmp;
  76     }
  77 }
  78
  79 const wxIcon& wxIconBundle::GetIcon( const wxSize& size ) const
  80 {
  81     size_t i, max = m_icons.GetCount();
  82     wxCoord sysX = wxSystemSettings::GetMetric( wxSYS_ICON_X ),
  83             sysY = wxSystemSettings::GetMetric( wxSYS_ICON_Y );
  84
  85     wxIcon *sysIcon = 0;
  86     // temp. variable needed to fix Borland C++ 5.5.1 problem
  87     // with passing a return value through two functions
  88     wxIcon *tmp;
  89
  90     for( i = 0; i < max; i++ )
  91     {
  92         if( !m_icons[i].Ok() )
  93             continue;
  94         wxCoord sx = m_icons[i].GetWidth(), sy = m_icons[i].GetHeight();
  95         // requested size
  96         if( sx == size.x && sy == size.y )
  97         {
  98             tmp = &m_icons[i]; // fix for broken BCC
  99             return *tmp;
 100         }
 101         // keep track if there is a system-size icon
 102         if( sx == sysX && sy == sysY )
 103             sysIcon = &m_icons[i];
 104     }
 105
 106     // return the system-sized icon if we've got one
 107     if( sysIcon ) return *sysIcon;
 108     // return the first icon, if we have one
 109     if( max > 0 ) // fix for broken BCC
 110         tmp = &m_icons[0];
 111     else
 112         tmp = &wxNullIcon;
 113     return *tmp;
 114 }
 115
 116 void wxIconBundle::AddIcon( const wxIcon& icon )
 117 {
 118     size_t i, max = m_icons.GetCount();
 119
 120     for( i = 0; i < max; ++i )
 121     {
 122         wxIcon& tmp = m_icons[i];
 123         if( tmp.Ok() && tmp.GetWidth() == icon.GetWidth() &&
 124             tmp.GetHeight() == icon.GetHeight() )
 125         {
 126             tmp = icon;
 127             return;
 128         }
 129     }
 130
 131     m_icons.Add( icon );
 132 }