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 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  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 #if wxUSE_IMAGE && !defined(_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 #if wxUSE_IMAGE
  58 void wxIconBundle::AddIcon( const wxString& file, long type )
  59 #else
  60 void wxIconBundle::AddIcon( const wxString& WXUNUSED(file), long WXUNUSED(type) )
  61 #endif
  62 {
  63 #if wxUSE_IMAGE
  64     size_t count = wxImage::GetImageCount( file, type );
  65     size_t i;
  66     wxImage image;
  67
  68     for( i = 0; i < count; ++i )
  69     {
  70         if( !image.LoadFile( file, type, i ) )
  71         {
  72             wxLogError( _("Failed to load image %d from file '%s'."),
  73                         i, file.c_str() );
  74             continue;
  75         }
  76
  77         wxIcon* tmp = new wxIcon();
  78         tmp->CopyFromBitmap( wxBitmap( image ) );
  79         AddIcon( *tmp );
  80         delete tmp;
  81     }
  82 #endif
  83 }
  84
  85 const wxIcon& wxIconBundle::GetIcon( const wxSize& size ) const
  86 {
  87     size_t i, max = m_icons.GetCount();
  88     wxCoord sysX = wxSystemSettings::GetMetric( wxSYS_ICON_X ),
  89             sysY = wxSystemSettings::GetMetric( wxSYS_ICON_Y );
  90
  91     wxIcon *sysIcon = 0;
  92     // temp. variable needed to fix Borland C++ 5.5.1 problem
  93     // with passing a return value through two functions
  94     wxIcon *tmp;
  95
  96     for( i = 0; i < max; i++ )
  97     {
  98         if( !m_icons[i].Ok() )
  99             continue;
 100         wxCoord sx = m_icons[i].GetWidth(), sy = m_icons[i].GetHeight();
 101         // requested size
 102         if( sx == size.x && sy == size.y )
 103         {
 104             tmp = &m_icons[i]; // fix for broken BCC
 105             return *tmp;
 106         }
 107         // keep track if there is a system-size icon
 108         if( sx == sysX && sy == sysY )
 109             sysIcon = &m_icons[i];
 110     }
 111
 112     // return the system-sized icon if we've got one
 113     if( sysIcon ) return *sysIcon;
 114     // return the first icon, if we have one
 115     if( max > 0 ) // fix for broken BCC
 116         tmp = &m_icons[0];
 117     else
 118         tmp = &wxNullIcon;
 119     return *tmp;
 120 }
 121
 122 void wxIconBundle::AddIcon( const wxIcon& icon )
 123 {
 124     size_t i, max = m_icons.GetCount();
 125
 126     for( i = 0; i < max; ++i )
 127     {
 128         wxIcon& tmp = m_icons[i];
 129         if( tmp.Ok() && tmp.GetWidth() == icon.GetWidth() &&
 130             tmp.GetHeight() == icon.GetHeight() )
 131         {
 132             tmp = icon;
 133             return;
 134         }
 135     }
 136
 137     m_icons.Add( icon );
 138 }