src/generic/imaglist.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        generic/imaglist.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Id:          $id$
   6 // Copyright:   (c) 1998 Robert Roebling
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  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 #include "wx/dc.h"
  25
  26 //-----------------------------------------------------------------------------
  27 //  wxImageList
  28 //-----------------------------------------------------------------------------
  29
  30 IMPLEMENT_DYNAMIC_CLASS(wxGenericImageList, wxObject)
  31
  32 #if !defined(__WXMSW__) || defined(__WXUNIVERSAL__)
  33 /*
  34  * wxImageList has to be a real class or we have problems with
  35  * the run-time information.
  36  */
  37
  38 IMPLEMENT_DYNAMIC_CLASS(wxImageList, wxGenericImageList)
  39 #endif
  40
  41 wxGenericImageList::wxGenericImageList( int width, int height, bool mask, int initialCount )
  42 {
  43     (void)Create(width, height, mask, initialCount);
  44 }
  45
  46 wxGenericImageList::~wxGenericImageList()
  47 {
  48     (void)RemoveAll();
  49 }
  50
  51 int wxGenericImageList::GetImageCount() const
  52 {
  53     return m_images.GetCount();
  54 }
  55
  56 bool wxGenericImageList::Create( int width, int height, bool WXUNUSED(mask), int WXUNUSED(initialCount) )
  57 {
  58     m_width = width;
  59     m_height = height;
  60
  61     return Create();
  62 }
  63
  64 bool wxGenericImageList::Create()
  65 {
  66     return TRUE;
  67 }
  68
  69 int wxGenericImageList::Add( const wxBitmap &bitmap )
  70 {
  71     wxASSERT_MSG( bitmap.GetWidth() == m_width &&
  72                     bitmap.GetHeight() == m_height,
  73                   _T("invalid bitmap size in wxImageList: this might work ")
  74                   _T("on this platform but definitely won't under Windows.") );
  75
  76     if (bitmap.IsKindOf(CLASSINFO(wxIcon)))
  77         m_images.Append( new wxIcon( (const wxIcon&) bitmap ) );
  78     else
  79         m_images.Append( new wxBitmap(bitmap) );
  80     return m_images.GetCount()-1;
  81 }
  82
  83 int wxGenericImageList::Add( const wxBitmap& bitmap, const wxBitmap& mask )
  84 {
  85     wxBitmap bmp(bitmap);
  86     if (mask.Ok())
  87         bmp.SetMask(new wxMask(mask));
  88     return Add(bmp);
  89 }
  90
  91 int wxGenericImageList::Add( const wxBitmap& bitmap, const wxColour& maskColour )
  92 {
  93     wxImage img = bitmap.ConvertToImage();
  94     img.SetMaskColour(maskColour.Red(), maskColour.Green(), maskColour.Blue());
  95     return Add(wxBitmap(img));
  96 }
  97
  98 const wxBitmap *wxGenericImageList::GetBitmap( int index ) const
  99 {
 100     wxList::compatibility_iterator node = m_images.Item( index );
 101
 102     wxCHECK_MSG( node, (wxBitmap *) NULL, wxT("wrong index in image list") );
 103
 104     return (wxBitmap*)node->GetData();
 105 }
 106
 107 bool wxGenericImageList::Replace( int index, const wxBitmap &bitmap )
 108 {
 109     wxList::compatibility_iterator node = m_images.Item( index );
 110
 111     wxCHECK_MSG( node, FALSE, wxT("wrong index in image list") );
 112
 113     wxBitmap* newBitmap = (bitmap.IsKindOf(CLASSINFO(wxIcon))) ?
 114                              #if defined(__VISAGECPP__)
 115                                //just can't do this in VisualAge now, with all this new Bitmap-Icon stuff
 116                                //so construct it from a bitmap object until I can figure this nonsense out. (DW)
 117                                new wxBitmap(bitmap)
 118                              #else
 119                                new wxBitmap( (const wxIcon&) bitmap )
 120                              #endif
 121                                : new wxBitmap(bitmap) ;
 122
 123     if (index == (int) m_images.GetCount() - 1)
 124     {
 125         delete node->GetData();
 126         m_images.Erase( node );
 127         m_images.Append( newBitmap );
 128     }
 129     else
 130     {
 131         wxList::compatibility_iterator next = node->GetNext();
 132         delete node->GetData();
 133         m_images.Erase( node );
 134         m_images.Insert( next, newBitmap );
 135     }
 136
 137     return TRUE;
 138 }
 139
 140 bool wxGenericImageList::Remove( int index )
 141 {
 142     wxList::compatibility_iterator node = m_images.Item( index );
 143
 144     wxCHECK_MSG( node, FALSE, wxT("wrong index in image list") );
 145
 146     delete node->GetData();
 147     m_images.Erase( node );
 148
 149     return TRUE;
 150 }
 151
 152 bool wxGenericImageList::RemoveAll()
 153 {
 154     WX_CLEAR_LIST(wxList, m_images);
 155     m_images.Clear();
 156
 157     return TRUE;
 158 }
 159
 160 bool wxGenericImageList::GetSize( int index, int &width, int &height ) const
 161 {
 162     width = 0;
 163     height = 0;
 164
 165     wxList::compatibility_iterator node = m_images.Item( index );
 166
 167     wxCHECK_MSG( node, FALSE, wxT("wrong index in image list") );
 168
 169     wxBitmap *bm = (wxBitmap*)node->GetData();
 170     width = bm->GetWidth();
 171     height = bm->GetHeight();
 172
 173     return TRUE;
 174 }
 175
 176 bool wxGenericImageList::Draw( int index, wxDC &dc, int x, int y,
 177                         int flags, bool WXUNUSED(solidBackground) )
 178 {
 179     wxList::compatibility_iterator node = m_images.Item( index );
 180
 181     wxCHECK_MSG( node, FALSE, wxT("wrong index in image list") );
 182
 183     wxBitmap *bm = (wxBitmap*)node->GetData();
 184
 185     if (bm->IsKindOf(CLASSINFO(wxIcon)))
 186         dc.DrawIcon( * ((wxIcon*) bm), x, y);
 187     else
 188         dc.DrawBitmap( *bm, x, y, (flags & wxIMAGELIST_DRAW_TRANSPARENT) > 0 );
 189
 190     return TRUE;
 191 }
 192
 193