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/image.h"
  25     #include "wx/icon.h"
  26     #include "wx/log.h"
  27     #include "wx/intl.h"
  28 #endif
  29
  30 #include "wx/iconbndl.h"
  31 #include "wx/arrimpl.cpp"
  32
  33 WX_DEFINE_OBJARRAY(wxIconArray)
  34
  35 const wxIconBundle& wxIconBundle::operator =( const wxIconBundle& ic )
  36 {
  37     if( this == &ic ) return *this;
  38
  39     size_t i, max = ic.m_icons.GetCount();
  40
  41     DeleteIcons();
  42     for( i = 0; i < max; ++i )
  43         m_icons.Add( ic.m_icons[i] );
  44
  45     return *this;
  46 }
  47
  48 void wxIconBundle::DeleteIcons()
  49 {
  50     m_icons.Empty();
  51 }
  52
  53 void wxIconBundle::AddIcon( const wxString& file, long type )
  54 {
  55     size_t count = wxImage::GetImageCount( file, type );
  56     size_t i;
  57     wxImage image;
  58     wxIcon tmp;
  59
  60     for( i = 0; i < count; ++i )
  61     {
  62         if( !image.LoadFile( file, type, i ) )
  63         {
  64             wxLogError( _("Failed to load image %d from file '%s'."),
  65                         i, file.c_str() );
  66             continue;
  67         }
  68
  69         tmp.CopyFromBitmap( wxBitmap( image ) );
  70         AddIcon( tmp );
  71     }
  72 }
  73
  74 const wxIcon& wxIconBundle::GetIcon( const wxSize& size ) const
  75 {
  76     size_t i, max = m_icons.GetCount();
  77     wxCoord sysX = wxSystemSettings::GetMetric( wxSYS_ICON_X ),
  78             sysY = wxSystemSettings::GetMetric( wxSYS_ICON_Y );
  79     wxIcon* sysIcon = 0;
  80
  81     for( i = 0; i < max; ++i )
  82     {
  83         wxCoord sx = m_icons[i].GetWidth(), sy = m_icons[i].GetHeight();
  84         // requested size
  85         if( sx == size.x && sy == size.y )
  86             return m_icons[i];
  87         // keep track if there is a system-size icon
  88         if( sx == sysX && sy == sysY )
  89             sysIcon = &m_icons[i];
  90     }
  91
  92     // return the system-sized icon if we've got one
  93     if( sysIcon ) return *sysIcon;
  94     // return the first icon, if we have one
  95     return max > 0 ? m_icons[0] : wxNullIcon;
  96 }
  97
  98 void wxIconBundle::AddIcon( const wxIcon& icon )
  99 {
 100     size_t i, max = m_icons.GetCount();
 101
 102     for( i = 0; i < max; ++i )
 103     {
 104         wxIcon& tmp = m_icons[i];
 105         if( tmp.GetWidth() == icon.GetWidth() &&
 106             tmp.GetHeight() == icon.GetHeight() )
 107         {
 108             tmp = icon;
 109             return;
 110         }
 111     }
 112
 113     m_icons.Add( icon );
 114 }