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/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     m_images.Append( new wxBitmap(bitmap) );
  54     return m_images.Number();
  55 }
  56
  57 const wxBitmap *wxImageList::GetBitmap( int index ) const
  58 {
  59     wxNode *node = m_images.Nth( index );
  60
  61     wxCHECK_MSG( node, (wxBitmap *) NULL, "wrong index in image list" );
  62
  63     return (wxBitmap*)node->Data();
  64 }
  65
  66 bool wxImageList::Replace( int index, const wxBitmap &bitmap )
  67 {
  68     wxNode *node = m_images.Nth( index );
  69
  70     wxCHECK_MSG( node, FALSE, "wrong index in image list" );
  71
  72     if (index == m_images.Number()-1)
  73     {
  74         m_images.DeleteNode( node );
  75         m_images.Append( new wxBitmap(bitmap) );
  76     }
  77     else
  78     {
  79         wxNode *next = node->Next();
  80         m_images.DeleteNode( node );
  81         m_images.Insert( next, new wxBitmap(bitmap) );
  82     }
  83
  84     return TRUE;
  85 }
  86
  87 bool wxImageList::Remove( int index )
  88 {
  89     wxNode *node = m_images.Nth( index );
  90
  91     wxCHECK_MSG( node, FALSE, "wrong index in image list" );
  92
  93     m_images.DeleteNode( node );
  94
  95     return TRUE;
  96 }
  97
  98 bool wxImageList::RemoveAll()
  99 {
 100     m_images.Clear();
 101
 102     return TRUE;
 103 }
 104
 105 bool wxImageList::GetSize( int index, int &width, int &height ) const
 106 {
 107     width = 0;
 108     height = 0;
 109
 110     wxNode *node = m_images.Nth( index );
 111
 112     wxCHECK_MSG( node, FALSE, "wrong index in image list" );
 113
 114     wxBitmap *bm = (wxBitmap*)node->Data();
 115     width = bm->GetWidth();
 116     height = bm->GetHeight();
 117
 118     return TRUE;
 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
 126     wxCHECK_MSG( node, FALSE, "wrong index in image list" );
 127
 128     wxBitmap *bm = (wxBitmap*)node->Data();
 129
 130     dc.DrawBitmap( *bm, x, y, (flags & wxIMAGELIST_DRAW_TRANSPARENT) > 0 );
 131
 132     return TRUE;
 133 }
 134
 135