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
  23 //-----------------------------------------------------------------------------
  24 //  wxImageList
  25 //-----------------------------------------------------------------------------
  26
  27 IMPLEMENT_DYNAMIC_CLASS(wxImageList, wxObject)
  28
  29 wxImageList::wxImageList( int width, int height, bool WXUNUSED(mask), int WXUNUSED(initialCount) )
  30 {
  31     m_width = width;
  32     m_height = height;
  33     Create();
  34 }
  35
  36 wxImageList::~wxImageList()
  37 {
  38 }
  39
  40 int wxImageList::GetImageCount() const
  41 {
  42     return m_images.Number();
  43 }
  44
  45 bool wxImageList::Create()
  46 {
  47     m_images.DeleteContents( TRUE );
  48     return TRUE;
  49 }
  50
  51 int wxImageList::Add( const wxBitmap &bitmap )
  52 {
  53     if (bitmap.IsKindOf(CLASSINFO(wxIcon)))
  54         m_images.Append( new wxIcon( (const wxIcon&) bitmap ) );
  55     else
  56         m_images.Append( new wxBitmap(bitmap) );
  57     return m_images.Number();
  58 }
  59
  60 const wxBitmap *wxImageList::GetBitmap( int index ) const
  61 {
  62     wxNode *node = m_images.Nth( index );
  63
  64     wxCHECK_MSG( node, (wxBitmap *) NULL, _T("wrong index in image list") );
  65
  66     return (wxBitmap*)node->Data();
  67 }
  68
  69 bool wxImageList::Replace( int index, const wxBitmap &bitmap )
  70 {
  71     wxNode *node = m_images.Nth( index );
  72
  73     wxCHECK_MSG( node, FALSE, _T("wrong index in image list") );
  74
  75     wxBitmap* newBitmap = NULL;
  76     if (bitmap.IsKindOf(CLASSINFO(wxIcon)))
  77         newBitmap = new wxIcon( (const wxIcon&) bitmap );
  78     else
  79         newBitmap = new wxBitmap(bitmap) ;
  80
  81     if (index == m_images.Number()-1)
  82     {
  83         m_images.DeleteNode( node );
  84         m_images.Append( newBitmap );
  85     }
  86     else
  87     {
  88         wxNode *next = node->Next();
  89         m_images.DeleteNode( node );
  90         m_images.Insert( next, newBitmap );
  91     }
  92
  93     return TRUE;
  94 }
  95
  96 bool wxImageList::Remove( int index )
  97 {
  98     wxNode *node = m_images.Nth( index );
  99
 100     wxCHECK_MSG( node, FALSE, _T("wrong index in image list") );
 101
 102     m_images.DeleteNode( node );
 103
 104     return TRUE;
 105 }
 106
 107 bool wxImageList::RemoveAll()
 108 {
 109     m_images.Clear();
 110
 111     return TRUE;
 112 }
 113
 114 bool wxImageList::GetSize( int index, int &width, int &height ) const
 115 {
 116     width = 0;
 117     height = 0;
 118
 119     wxNode *node = m_images.Nth( index );
 120
 121     wxCHECK_MSG( node, FALSE, _T("wrong index in image list") );
 122
 123     wxBitmap *bm = (wxBitmap*)node->Data();
 124     width = bm->GetWidth();
 125     height = bm->GetHeight();
 126
 127     return TRUE;
 128 }
 129
 130 bool wxImageList::Draw( int index, wxDC &dc, int x, int y,
 131                         int flags, bool WXUNUSED(solidBackground) )
 132 {
 133     wxNode *node = m_images.Nth( index );
 134
 135     wxCHECK_MSG( node, FALSE, _T("wrong index in image list") );
 136
 137     wxBitmap *bm = (wxBitmap*)node->Data();
 138
 139     if (bm->IsKindOf(CLASSINFO(wxIcon)))
 140         dc.DrawIcon( * ((wxIcon*) bm), x, y);
 141     else
 142         dc.DrawBitmap( *bm, x, y, (flags & wxIMAGELIST_DRAW_TRANSPARENT) > 0 );
 143
 144     return TRUE;
 145 }
 146
 147