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   if (node != NULL)
  54     return (wxBitmap*)node->Data();
  55
  56   return (wxBitmap *) NULL;
  57 }
  58
  59 bool wxImageList::Replace( int index, const wxBitmap &bitmap )
  60 {
  61   wxNode *node = m_images.Nth( index );
  62   if (!node) return FALSE;
  63
  64   if (index == m_images.Number()-1)
  65   {
  66     m_images.DeleteNode( node );
  67     m_images.Append( new wxBitmap(bitmap) );
  68   }
  69   else
  70   {
  71     wxNode *next = node->Next();
  72     m_images.DeleteNode( node );
  73     m_images.Insert( next, new wxBitmap(bitmap) );
  74   }
  75
  76   return TRUE;
  77 }
  78
  79 bool wxImageList::Remove( int index )
  80 {
  81   wxNode *node = m_images.Nth( index );
  82   if (node) m_images.DeleteNode( node );
  83   return (node != NULL);
  84 }
  85
  86 bool wxImageList::RemoveAll()
  87 {
  88   m_images.Clear();
  89   return TRUE;
  90 }
  91
  92 bool wxImageList::GetSize( int index, int &width, int &height ) const
  93 {
  94 #ifdef __WXGTK__
  95
  96   width = m_width;
  97   height = m_height;
  98
  99   return (m_images.Nth( index ) != NULL);
 100
 101 #else
 102
 103   wxNode *node = m_images.Nth( index );
 104   if (node)
 105   {
 106     wxBitmap *bm = (wxBitmap*)node->Data();
 107     width = bm->GetWidth();
 108     height = bm->GetHeight();
 109     return TRUE;
 110   }
 111   else
 112   {
 113     width = 0;
 114     height = 0;
 115     return FALSE;
 116   }
 117
 118 #endif
 119 }
 120
 121 bool wxImageList::Draw( int index, wxDC &dc, int x, int y,
 122                         int flags, bool WXUNUSED(solidBackground) )
 123 {
 124   wxNode *node = m_images.Nth( index );
 125   if (!node) return FALSE;
 126   wxBitmap *bm = (wxBitmap*)node->Data();
 127
 128 #ifdef __WXGTK__
 129
 130   // As X doesn't have a standard size for icons, we resize here.
 131   // Otherwise we'd simply have to forbid different bitmap sizes.
 132
 133   if ((m_width != bm->GetWidth()) ||
 134       (m_height != bm->GetHeight()))
 135   {
 136     bm->Resize( m_width, m_height );
 137   }
 138
 139 #endif
 140
 141   wxIcon *icon = (wxIcon*)bm;
 142   dc.DrawIcon( *icon, x, y, (flags & wxIMAGELIST_DRAW_TRANSPARENT) > 0 );
 143
 144   return TRUE;
 145 }
 146
 147