src/common/iconbndl.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/common/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 // For compilers that support precompilation, includes "wx.h".
  12 #include "wx/wxprec.h"
  13
  14 #ifdef __BORLANDC__
  15     #pragma hdrstop
  16 #endif
  17
  18 #include "wx/iconbndl.h"
  19
  20 #ifndef WX_PRECOMP
  21     #include "wx/settings.h"
  22     #include "wx/icon.h"
  23     #include "wx/log.h"
  24     #include "wx/intl.h"
  25     #include "wx/bitmap.h"
  26     #include "wx/image.h"
  27 #endif
  28
  29 #include "wx/arrimpl.cpp"
  30
  31 WX_DEFINE_OBJARRAY(wxIconArray)
  32
  33 const wxIconBundle& wxIconBundle::operator =( const wxIconBundle& ic )
  34 {
  35     if( this == &ic ) return *this;
  36
  37     size_t i, max = ic.m_icons.GetCount();
  38
  39     DeleteIcons();
  40     for( i = 0; i < max; ++i )
  41         m_icons.Add( ic.m_icons[i] );
  42
  43     return *this;
  44 }
  45
  46 void wxIconBundle::DeleteIcons()
  47 {
  48     m_icons.Empty();
  49 }
  50
  51 #if wxUSE_IMAGE
  52 void wxIconBundle::AddIcon( const wxString& file, long type )
  53 #else
  54 void wxIconBundle::AddIcon( const wxString& WXUNUSED(file), long WXUNUSED(type) )
  55 #endif
  56 {
  57 #if wxUSE_IMAGE && (!defined(__WXMSW__) || wxUSE_WXDIB)
  58     size_t count = wxImage::GetImageCount( file, type );
  59     size_t i;
  60     wxImage image;
  61
  62     for( i = 0; i < count; ++i )
  63     {
  64         if( !image.LoadFile( file, type, i ) )
  65         {
  66             wxLogError( _("Failed to load image %d from file '%s'."),
  67                         i, file.c_str() );
  68             continue;
  69         }
  70
  71         wxIcon* tmp = new wxIcon();
  72         tmp->CopyFromBitmap( wxBitmap( image ) );
  73         AddIcon( *tmp );
  74         delete tmp;
  75     }
  76 #endif
  77 }
  78
  79 const wxIcon& wxIconBundle::GetIcon( const wxSize& size ) const
  80 {
  81     // temp. variable needed to fix Borland C++ 5.5.1 problem
  82     // with passing a return value through two functions
  83     wxIcon *tmp;
  84
  85     size_t max = m_icons.GetCount();
  86
  87     // if we have one or no icon, we can return now without doing more work:
  88     if ( max <= 1 )
  89     {
  90         if ( max == 1 ) // fix for broken BCC
  91             tmp = &m_icons[0];
  92         else // max == 0
  93             tmp = &wxNullIcon;
  94         return *tmp;
  95     }
  96
  97     // there are more icons, find the best match:
  98     wxCoord sysX = wxSystemSettings::GetMetric( wxSYS_ICON_X ),
  99             sysY = wxSystemSettings::GetMetric( wxSYS_ICON_Y );
 100
 101     wxIcon *sysIcon = 0;
 102
 103     for( size_t i = 0; i < max; i++ )
 104     {
 105         if( !m_icons[i].Ok() )
 106             continue;
 107         wxCoord sx = m_icons[i].GetWidth(), sy = m_icons[i].GetHeight();
 108         // requested size
 109         if( sx == size.x && sy == size.y )
 110         {
 111             tmp = &m_icons[i]; // fix for broken BCC
 112             return *tmp;
 113         }
 114         // keep track if there is a system-size icon
 115         if( sx == sysX && sy == sysY )
 116             sysIcon = &m_icons[i];
 117     }
 118
 119     // return the system-sized icon if we've got one
 120     if( sysIcon ) return *sysIcon;
 121     // we certainly have at least one icon thanks to the <=1 check above
 122     tmp = &m_icons[0];
 123     return *tmp;
 124 }
 125
 126 void wxIconBundle::AddIcon( const wxIcon& icon )
 127 {
 128     size_t i, max = m_icons.GetCount();
 129
 130     for( i = 0; i < max; ++i )
 131     {
 132         wxIcon& tmp = m_icons[i];
 133         if( tmp.Ok() && tmp.GetWidth() == icon.GetWidth() &&
 134             tmp.GetHeight() == icon.GetHeight() )
 135         {
 136             tmp = icon;
 137             return;
 138         }
 139     }
 140
 141     m_icons.Add( icon );
 142 }