1 /////////////////////////////////////////////////////////////////////////////
2 // Name:        src/common/iconbndl.cpp
3 // Purpose:     wxIconBundle
4 // Author:      Mattia Barbon
5 // Created:     23.03.2002
6 // RCS-ID:      $Id: iconbndl.cpp 40654 2006-08-17 16:08:13Z VS $
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 
WX_DEFINE_OBJARRAY(wxIconArray) const31 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 
DeleteIcons()46 void wxIconBundle::DeleteIcons()
47 {
48     m_icons.Empty();
49 }
50 
51 #if wxUSE_IMAGE
AddIcon(const wxString & file,long type)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 
GetIcon(const wxSize & size) const79 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 
AddIcon(const wxIcon & icon)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 }
143