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/generic/imaglist.h"
  22 #include "wx/icon.h"
  23 #include "wx/image.h"
  24
  25 //-----------------------------------------------------------------------------
  26 //  wxImageList
  27 //-----------------------------------------------------------------------------
  28
  29 IMPLEMENT_DYNAMIC_CLASS(wxImageList, wxObject)
  30
  31 wxImageList::wxImageList( int width, int height, bool WXUNUSED(mask), int WXUNUSED(initialCount) )
  32 {
  33     m_width = width;
  34     m_height = height;
  35     Create();
  36 }
  37
  38 wxImageList::~wxImageList()
  39 {
  40 }
  41
  42 int wxImageList::GetImageCount() const
  43 {
  44     return m_images.Number();
  45 }
  46
  47 bool wxImageList::Create()
  48 {
  49     m_images.DeleteContents( TRUE );
  50     return TRUE;
  51 }
  52
  53 int wxImageList::Add( const wxBitmap &bitmap )
  54 {
  55     if (bitmap.IsKindOf(CLASSINFO(wxIcon)))
  56         m_images.Append( new wxIcon( (const wxIcon&) bitmap ) );
  57     else
  58         m_images.Append( new wxBitmap(bitmap) );
  59     return m_images.Number()-1;
  60 }
  61
  62 int wxImageList::Add( const wxBitmap& bitmap, const wxBitmap& mask )
  63 {
  64     wxBitmap bmp(bitmap);
  65     bmp.SetMask(new wxMask(mask));
  66     return Add(bmp);
  67 }
  68
  69 int wxImageList::Add( const wxBitmap& bitmap, const wxColour& maskColour )
  70 {
  71     wxImage img(bitmap);
  72     img.SetMaskColour(maskColour.Red(), maskColour.Green(), maskColour.Blue());
  73     return Add(img.ConvertToBitmap());
  74 }
  75
  76 const wxBitmap *wxImageList::GetBitmap( int index ) const
  77 {
  78     wxNode *node = m_images.Nth( index );
  79
  80     wxCHECK_MSG( node, (wxBitmap *) NULL, wxT("wrong index in image list") );
  81
  82     return (wxBitmap*)node->Data();
  83 }
  84
  85 bool wxImageList::Replace( int index, const wxBitmap &bitmap )
  86 {
  87     wxNode *node = m_images.Nth( index );
  88
  89     wxCHECK_MSG( node, FALSE, wxT("wrong index in image list") );
  90
  91     wxBitmap* newBitmap = NULL;
  92     if (bitmap.IsKindOf(CLASSINFO(wxIcon)))
  93 #if defined(__VISAGECPP__)
  94 //just can't do this in VisualAge now, with all this new Bitmap-Icon stuff
  95 //so construct it from a bitmap object until I can figure this nonsense out. (DW)
  96         newBitmap = new wxBitmap(bitmap) ;
  97 #else
  98         newBitmap = new wxBitmap( (const wxIcon&) bitmap );
  99 #endif
 100     else
 101         newBitmap = new wxBitmap(bitmap) ;
 102
 103     if (index == m_images.Number()-1)
 104     {
 105         m_images.DeleteNode( node );
 106         m_images.Append( newBitmap );
 107     }
 108     else
 109     {
 110         wxNode *next = node->Next();
 111         m_images.DeleteNode( node );
 112         m_images.Insert( next, newBitmap );
 113     }
 114
 115     return TRUE;
 116 }
 117
 118 bool wxImageList::Remove( int index )
 119 {
 120     wxNode *node = m_images.Nth( index );
 121
 122     wxCHECK_MSG( node, FALSE, wxT("wrong index in image list") );
 123
 124     m_images.DeleteNode( node );
 125
 126     return TRUE;
 127 }
 128
 129 bool wxImageList::RemoveAll()
 130 {
 131     m_images.Clear();
 132
 133     return TRUE;
 134 }
 135
 136 bool wxImageList::GetSize( int index, int &width, int &height ) const
 137 {
 138     width = 0;
 139     height = 0;
 140
 141     wxNode *node = m_images.Nth( index );
 142
 143     wxCHECK_MSG( node, FALSE, wxT("wrong index in image list") );
 144
 145     wxBitmap *bm = (wxBitmap*)node->Data();
 146     width = bm->GetWidth();
 147     height = bm->GetHeight();
 148
 149     return TRUE;
 150 }
 151
 152 bool wxImageList::Draw( int index, wxDC &dc, int x, int y,
 153                         int flags, bool WXUNUSED(solidBackground) )
 154 {
 155     wxNode *node = m_images.Nth( index );
 156
 157     wxCHECK_MSG( node, FALSE, wxT("wrong index in image list") );
 158
 159     wxBitmap *bm = (wxBitmap*)node->Data();
 160
 161     if (bm->IsKindOf(CLASSINFO(wxIcon)))
 162         dc.DrawIcon( * ((wxIcon*) bm), x, y);
 163     else
 164         dc.DrawBitmap( *bm, x, y, (flags & wxIMAGELIST_DRAW_TRANSPARENT) > 0 );
 165
 166     return TRUE;
 167 }
 168
 169