src/generic/imaglist.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        imaglist.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Created:     01/02/97
   6 // Id:
   7 // Copyright:   (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 #ifdef __GNUG__
  12 #pragma implementation "imaglist.h"
  13 #endif
  14
  15 #include "wx/imaglist.h"
  16
  17 //-----------------------------------------------------------------------------
  18 //  wxImageList
  19 //-----------------------------------------------------------------------------
  20
  21 IMPLEMENT_DYNAMIC_CLASS(wxImageList, wxObject)
  22
  23 wxImageList::wxImageList( int width, int height, bool WXUNUSED(mask), int WXUNUSED(initialCount) )
  24 {
  25   m_width = width;
  26   m_height = height;
  27   Create();
  28 };
  29
  30 wxImageList::~wxImageList()
  31 {
  32 };
  33
  34 int wxImageList::GetImageCount() const
  35 {
  36   return m_images.Number();
  37 };
  38
  39 bool wxImageList::Create()
  40 {
  41   m_images.DeleteContents( TRUE );
  42   return TRUE;
  43 };
  44
  45 int wxImageList::Add( const wxBitmap &bitmap )
  46 {
  47   m_images.Append( new wxBitmap(bitmap) );
  48   return m_images.Number();
  49 };
  50
  51 wxBitmap *wxImageList::GetBitmap(int index) {
  52   wxNode *node = m_images.Nth( index );
  53   return (wxBitmap*)node->Data();
  54 }
  55
  56 bool wxImageList::Replace( int index, const wxBitmap &bitmap )
  57 {
  58   wxNode *node = m_images.Nth( index );
  59   if (!node) return FALSE;
  60
  61   if (index == m_images.Number()-1)
  62   {
  63     m_images.DeleteNode( node );
  64     m_images.Append( new wxBitmap(bitmap) );
  65   }
  66   else
  67   {
  68     wxNode *next = node->Next();
  69     m_images.DeleteNode( node );
  70     m_images.Insert( next, new wxBitmap(bitmap) );
  71   };
  72
  73   return TRUE;
  74 };
  75
  76 bool wxImageList::Remove( int index )
  77 {
  78   wxNode *node = m_images.Nth( index );
  79   if (node) m_images.DeleteNode( node );
  80   return (node != NULL);
  81 };
  82
  83 bool wxImageList::RemoveAll()
  84 {
  85   m_images.Clear();
  86   return TRUE;
  87 };
  88
  89 bool wxImageList::GetSize( int index, int &width, int &height ) const
  90 {
  91 #ifdef __WXGTK__
  92
  93   width = m_width;
  94   height = m_height;
  95
  96   return (m_images.Nth( index ) != NULL);
  97
  98 #else
  99
 100   wxNode *node = m_images.Nth( index );
 101   if (node)
 102   {
 103     wxBitmap *bm = (wxBitmap*)node->Data();
 104     width = bm->GetWidth();
 105     height = bm->GetHeight();
 106     return TRUE;
 107   }
 108   else
 109   {
 110     width = 0;
 111     height = 0;
 112     return FALSE;
 113   };
 114
 115 #endif
 116 };
 117
 118 bool wxImageList::Draw( int index, wxDC &dc, int x, int y,
 119                         int flags, bool WXUNUSED(solidBackground) )
 120 {
 121   wxNode *node = m_images.Nth( index );
 122   if (!node) return FALSE;
 123   wxBitmap *bm = (wxBitmap*)node->Data();
 124
 125 #ifdef __WXGTK__
 126
 127   // As X doesn't have a standard size for icons, we resize here.
 128   // Otherwise we'd simply have to forbid different bitmap sizes.
 129
 130   if ((m_width != bm->GetWidth()) ||
 131       (m_height != bm->GetHeight()))
 132   {
 133     bm->Resize( m_width, m_height );
 134   };
 135
 136 #endif
 137
 138   wxIcon *icon = (wxIcon*)bm;
 139   dc.DrawIcon( *icon, x, y, (flags & wxIMAGELIST_DRAW_TRANSPARENT) > 0 );
 140
 141   return TRUE;
 142 };
 143
 144