src/generic/imaglist.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        imaglist.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Id:          $id$
   6 // Copyright:   (c) 1998 Robert Roebling
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 #ifdef __GNUG__
  11 #pragma implementation "imaglist.h"
  12 #endif
  13
  14 // For compilers that support precompilation, includes "wx.h".
  15 #include "wx/wxprec.h"
  16
  17 #ifdef __BORLANDC__
  18 #pragma hdrstop
  19 #endif
  20
  21 #include "wx/generic/imaglist.h"
  22 #include "wx/icon.h"
  23
  24 //-----------------------------------------------------------------------------
  25 //  wxImageList
  26 //-----------------------------------------------------------------------------
  27
  28 IMPLEMENT_DYNAMIC_CLASS(wxImageList, wxObject)
  29
  30 wxImageList::wxImageList( int width, int height, bool WXUNUSED(mask), int WXUNUSED(initialCount) )
  31 {
  32     m_width = width;
  33     m_height = height;
  34     Create();
  35 }
  36
  37 wxImageList::~wxImageList()
  38 {
  39 }
  40
  41 int wxImageList::GetImageCount() const
  42 {
  43     return m_images.Number();
  44 }
  45
  46 bool wxImageList::Create()
  47 {
  48     m_images.DeleteContents( TRUE );
  49     return TRUE;
  50 }
  51
  52 int wxImageList::Add( const wxBitmap &bitmap )
  53 {
  54     if (bitmap.IsKindOf(CLASSINFO(wxIcon)))
  55         m_images.Append( new wxIcon( (const wxIcon&) bitmap ) );
  56     else
  57         m_images.Append( new wxBitmap(bitmap) );
  58     return m_images.Number()-1;
  59 }
  60
  61 const wxBitmap *wxImageList::GetBitmap( int index ) const
  62 {
  63     wxNode *node = m_images.Nth( index );
  64
  65     wxCHECK_MSG( node, (wxBitmap *) NULL, T("wrong index in image list") );
  66
  67     return (wxBitmap*)node->Data();
  68 }
  69
  70 bool wxImageList::Replace( int index, const wxBitmap &bitmap )
  71 {
  72     wxNode *node = m_images.Nth( index );
  73
  74     wxCHECK_MSG( node, FALSE, T("wrong index in image list") );
  75
  76     wxBitmap* newBitmap = NULL;
  77     if (bitmap.IsKindOf(CLASSINFO(wxIcon)))
  78         newBitmap = new wxIcon( (const wxIcon&) bitmap );
  79     else
  80         newBitmap = new wxBitmap(bitmap) ;
  81
  82     if (index == m_images.Number()-1)
  83     {
  84         m_images.DeleteNode( node );
  85         m_images.Append( newBitmap );
  86     }
  87     else
  88     {
  89         wxNode *next = node->Next();
  90         m_images.DeleteNode( node );
  91         m_images.Insert( next, newBitmap );
  92     }
  93
  94     return TRUE;
  95 }
  96
  97 bool wxImageList::Remove( int index )
  98 {
  99     wxNode *node = m_images.Nth( index );
 100
 101     wxCHECK_MSG( node, FALSE, T("wrong index in image list") );
 102
 103     m_images.DeleteNode( node );
 104
 105     return TRUE;
 106 }
 107
 108 bool wxImageList::RemoveAll()
 109 {
 110     m_images.Clear();
 111
 112     return TRUE;
 113 }
 114
 115 bool wxImageList::GetSize( int index, int &width, int &height ) const
 116 {
 117     width = 0;
 118     height = 0;
 119
 120     wxNode *node = m_images.Nth( index );
 121
 122     wxCHECK_MSG( node, FALSE, T("wrong index in image list") );
 123
 124     wxBitmap *bm = (wxBitmap*)node->Data();
 125     width = bm->GetWidth();
 126     height = bm->GetHeight();
 127
 128     return TRUE;
 129 }
 130
 131 bool wxImageList::Draw( int index, wxDC &dc, int x, int y,
 132                         int flags, bool WXUNUSED(solidBackground) )
 133 {
 134     wxNode *node = m_images.Nth( index );
 135
 136     wxCHECK_MSG( node, FALSE, T("wrong index in image list") );
 137
 138     wxBitmap *bm = (wxBitmap*)node->Data();
 139
 140     if (bm->IsKindOf(CLASSINFO(wxIcon)))
 141         dc.DrawIcon( * ((wxIcon*) bm), x, y);
 142     else
 143         dc.DrawBitmap( *bm, x, y, (flags & wxIMAGELIST_DRAW_TRANSPARENT) > 0 );
 144
 145     return TRUE;
 146 }
 147
 148