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