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 {
  52     wxNode *node = m_images.Nth( index );
  53
  54     wxCHECK_MSG( node, (wxBitmap *) NULL, "wrong index in image list" );
  55
  56     return (wxBitmap*)node->Data();
  57 }
  58
  59 bool wxImageList::Replace( int index, const wxBitmap &bitmap )
  60 {
  61     wxNode *node = m_images.Nth( index );
  62
  63     wxCHECK_MSG( node, FALSE, "wrong index in image list" );
  64
  65     if (index == m_images.Number()-1)
  66     {
  67         m_images.DeleteNode( node );
  68         m_images.Append( new wxBitmap(bitmap) );
  69     }
  70     else
  71     {
  72         wxNode *next = node->Next();
  73         m_images.DeleteNode( node );
  74         m_images.Insert( next, new wxBitmap(bitmap) );
  75     }
  76
  77     return TRUE;
  78 }
  79
  80 bool wxImageList::Remove( int index )
  81 {
  82     wxNode *node = m_images.Nth( index );
  83
  84     wxCHECK_MSG( node, FALSE, "wrong index in image list" );
  85
  86     m_images.DeleteNode( node );
  87
  88     return TRUE;
  89 }
  90
  91 bool wxImageList::RemoveAll()
  92 {
  93     m_images.Clear();
  94
  95     return TRUE;
  96 }
  97
  98 bool wxImageList::GetSize( int index, int &width, int &height ) const
  99 {
 100     width = 0;
 101     height = 0;
 102
 103     wxNode *node = m_images.Nth( index );
 104
 105     wxCHECK_MSG( node, FALSE, "wrong index in image list" );
 106
 107     wxBitmap *bm = (wxBitmap*)node->Data();
 108     width = bm->GetWidth();
 109     height = bm->GetHeight();
 110
 111     return TRUE;
 112 }
 113
 114 bool wxImageList::Draw( int index, wxDC &dc, int x, int y,
 115                         int flags, bool WXUNUSED(solidBackground) )
 116 {
 117     wxNode *node = m_images.Nth( index );
 118
 119     wxCHECK_MSG( node, FALSE, "wrong index in image list" );
 120
 121     wxBitmap *bm = (wxBitmap*)node->Data();
 122
 123     dc.DrawBitmap( *bm, x, y, (flags & wxIMAGELIST_DRAW_TRANSPARENT) > 0 );
 124
 125     return TRUE;
 126 }
 127
 128