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 #include "wx/imaglist.h"
  15
  16 //-----------------------------------------------------------------------------
  17 //  wxImageList
  18 //-----------------------------------------------------------------------------
  19
  20 IMPLEMENT_DYNAMIC_CLASS(wxImageList, wxObject)
  21
  22 wxImageList::wxImageList( int width, int height, bool WXUNUSED(mask), int WXUNUSED(initialCount) )
  23 {
  24   m_width = width;
  25   m_height = height;
  26   Create();
  27 }
  28
  29 wxImageList::~wxImageList()
  30 {
  31 }
  32
  33 int wxImageList::GetImageCount() const
  34 {
  35   return m_images.Number();
  36 }
  37
  38 bool wxImageList::Create()
  39 {
  40   m_images.DeleteContents( TRUE );
  41   return TRUE;
  42 }
  43
  44 int wxImageList::Add( const wxBitmap &bitmap )
  45 {
  46   m_images.Append( new wxBitmap(bitmap) );
  47   return m_images.Number();
  48 }
  49
  50 const wxBitmap *wxImageList::GetBitmap(int index) const {
  51   wxNode *node = m_images.Nth(index);
  52   if (node != NULL)
  53     return (wxBitmap*)node->Data();
  54
  55   return (wxBitmap *) NULL;
  56 }
  57
  58 bool wxImageList::Replace( int index, const wxBitmap &bitmap )
  59 {
  60   wxNode *node = m_images.Nth( index );
  61   if (!node) return FALSE;
  62
  63   if (index == m_images.Number()-1)
  64   {
  65     m_images.DeleteNode( node );
  66     m_images.Append( new wxBitmap(bitmap) );
  67   }
  68   else
  69   {
  70     wxNode *next = node->Next();
  71     m_images.DeleteNode( node );
  72     m_images.Insert( next, new wxBitmap(bitmap) );
  73   }
  74
  75   return TRUE;
  76 }
  77
  78 bool wxImageList::Remove( int index )
  79 {
  80   wxNode *node = m_images.Nth( index );
  81   if (node) m_images.DeleteNode( node );
  82   return (node != NULL);
  83 }
  84
  85 bool wxImageList::RemoveAll()
  86 {
  87   m_images.Clear();
  88   return TRUE;
  89 }
  90
  91 bool wxImageList::GetSize( int index, int &width, int &height ) const
  92 {
  93   wxNode *node = m_images.Nth( index );
  94   if (node)
  95   {
  96     wxBitmap *bm = (wxBitmap*)node->Data();
  97     width = bm->GetWidth();
  98     height = bm->GetHeight();
  99     return TRUE;
 100   }
 101   else
 102   {
 103     width = 0;
 104     height = 0;
 105     return FALSE;
 106   }
 107 }
 108
 109 bool wxImageList::Draw( int index, wxDC &dc, int x, int y,
 110                         int flags, bool WXUNUSED(solidBackground) )
 111 {
 112   wxNode *node = m_images.Nth( index );
 113   if (!node) return FALSE;
 114   wxBitmap *bm = (wxBitmap*)node->Data();
 115
 116   wxIcon *icon = (wxIcon*)bm;
 117   dc.DrawIcon( *icon, x, y, (flags & wxIMAGELIST_DRAW_TRANSPARENT) > 0 );
 118
 119   return TRUE;
 120 }
 121
 122