src/generic/imaglist.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/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 // For compilers that support precompilation, includes "wx.h".
  11 #include "wx/wxprec.h"
  12
  13 #ifdef __BORLANDC__
  14     #pragma hdrstop
  15 #endif
  16
  17 #if wxUSE_IMAGLIST
  18
  19 #ifndef __WXPALMOS__
  20
  21 #include "wx/generic/imaglist.h"
  22
  23 #include "wx/icon.h"
  24 #include "wx/image.h"
  25 #include "wx/dc.h"
  26
  27 //-----------------------------------------------------------------------------
  28 //  wxImageList
  29 //-----------------------------------------------------------------------------
  30
  31 IMPLEMENT_DYNAMIC_CLASS(wxGenericImageList, wxObject)
  32
  33 #if !defined(__WXMSW__) || defined(__WXUNIVERSAL__)
  34 /*
  35  * wxImageList has to be a real class or we have problems with
  36  * the run-time information.
  37  */
  38
  39 IMPLEMENT_DYNAMIC_CLASS(wxImageList, wxGenericImageList)
  40 #endif
  41
  42 wxGenericImageList::wxGenericImageList( int width, int height, bool mask, int initialCount )
  43 {
  44     (void)Create(width, height, mask, initialCount);
  45 }
  46
  47 wxGenericImageList::~wxGenericImageList()
  48 {
  49     (void)RemoveAll();
  50 }
  51
  52 int wxGenericImageList::GetImageCount() const
  53 {
  54     return m_images.GetCount();
  55 }
  56
  57 bool wxGenericImageList::Create( int width, int height, bool WXUNUSED(mask), int WXUNUSED(initialCount) )
  58 {
  59     m_width = width;
  60     m_height = height;
  61
  62     return Create();
  63 }
  64
  65 bool wxGenericImageList::Create()
  66 {
  67     return true;
  68 }
  69
  70 int wxGenericImageList::Add( const wxBitmap &bitmap )
  71 {
  72     wxASSERT_MSG( (bitmap.GetWidth() == m_width && bitmap.GetHeight() == m_height)
  73                   || (m_width == 0 && m_height == 0),
  74                   _T("invalid bitmap size in wxImageList: this might work ")
  75                   _T("on this platform but definitely won't under Windows.") );
  76
  77     if (bitmap.IsKindOf(CLASSINFO(wxIcon)))
  78         m_images.Append( new wxIcon( (const wxIcon&) bitmap ) );
  79     else
  80         m_images.Append( new wxBitmap(bitmap) );
  81
  82     if (m_width == 0 && m_height == 0)
  83     {
  84         m_width = bitmap.GetWidth();
  85         m_height = bitmap.GetHeight();
  86     }
  87
  88     return m_images.GetCount()-1;
  89 }
  90
  91 int wxGenericImageList::Add( const wxBitmap& bitmap, const wxBitmap& mask )
  92 {
  93     wxBitmap bmp(bitmap);
  94     if (mask.Ok())
  95         bmp.SetMask(new wxMask(mask));
  96     return Add(bmp);
  97 }
  98
  99 int wxGenericImageList::Add( const wxBitmap& bitmap, const wxColour& maskColour )
 100 {
 101     wxImage img = bitmap.ConvertToImage();
 102     img.SetMaskColour(maskColour.Red(), maskColour.Green(), maskColour.Blue());
 103     return Add(wxBitmap(img));
 104 }
 105
 106 const wxBitmap *wxGenericImageList::GetBitmapPtr( int index ) const
 107 {
 108     wxList::compatibility_iterator node = m_images.Item( index );
 109
 110     wxCHECK_MSG( node, (wxBitmap *) NULL, wxT("wrong index in image list") );
 111
 112     return (wxBitmap*)node->GetData();
 113 }
 114
 115 // Get the bitmap
 116 wxBitmap wxGenericImageList::GetBitmap(int index) const
 117 {
 118     const wxBitmap* bmp = GetBitmapPtr(index);
 119     if (bmp)
 120         return *bmp;
 121     else
 122         return wxNullBitmap;
 123 }
 124
 125 // Get the icon
 126 wxIcon wxGenericImageList::GetIcon(int index) const
 127 {
 128     const wxBitmap* bmp = GetBitmapPtr(index);
 129     if (bmp)
 130     {
 131         wxIcon icon;
 132         icon.CopyFromBitmap(*bmp);
 133         return icon;
 134     }
 135     else
 136         return wxNullIcon;
 137 }
 138
 139 bool wxGenericImageList::Replace( int index, const wxBitmap &bitmap )
 140 {
 141     wxList::compatibility_iterator node = m_images.Item( index );
 142
 143     wxCHECK_MSG( node, false, wxT("wrong index in image list") );
 144
 145     wxBitmap* newBitmap = (bitmap.IsKindOf(CLASSINFO(wxIcon))) ?
 146                              #if defined(__VISAGECPP__)
 147                                //just can't do this in VisualAge now, with all this new Bitmap-Icon stuff
 148                                //so construct it from a bitmap object until I can figure this nonsense out. (DW)
 149                                new wxBitmap(bitmap)
 150                              #else
 151                                new wxBitmap( (const wxIcon&) bitmap )
 152                              #endif
 153                                : new wxBitmap(bitmap) ;
 154
 155     if (index == (int) m_images.GetCount() - 1)
 156     {
 157         delete node->GetData();
 158         m_images.Erase( node );
 159         m_images.Append( newBitmap );
 160     }
 161     else
 162     {
 163         wxList::compatibility_iterator next = node->GetNext();
 164         delete node->GetData();
 165         m_images.Erase( node );
 166         m_images.Insert( next, newBitmap );
 167     }
 168
 169     return true;
 170 }
 171
 172 bool wxGenericImageList::Replace( int index, const wxBitmap &bitmap, const wxBitmap &mask )
 173 {
 174     wxList::compatibility_iterator node = m_images.Item( index );
 175
 176     wxCHECK_MSG( node, false, wxT("wrong index in image list") );
 177
 178     wxBitmap* newBitmap = (bitmap.IsKindOf(CLASSINFO(wxIcon))) ?
 179                              #if defined(__VISAGECPP__)
 180                                //just can't do this in VisualAge now, with all this new Bitmap-Icon stuff
 181                                //so construct it from a bitmap object until I can figure this nonsense out. (DW)
 182                                new wxBitmap(bitmap)
 183                              #else
 184                                new wxBitmap( (const wxIcon&) bitmap )
 185                              #endif
 186                                : new wxBitmap(bitmap) ;
 187
 188     if (index == (int) m_images.GetCount() - 1)
 189     {
 190         delete node->GetData();
 191         m_images.Erase( node );
 192         m_images.Append( newBitmap );
 193     }
 194     else
 195     {
 196         wxList::compatibility_iterator next = node->GetNext();
 197         delete node->GetData();
 198         m_images.Erase( node );
 199         m_images.Insert( next, newBitmap );
 200     }
 201
 202     if (mask.Ok())
 203         newBitmap->SetMask(new wxMask(mask));
 204
 205     return true;
 206 }
 207
 208 bool wxGenericImageList::Remove( int index )
 209 {
 210     wxList::compatibility_iterator node = m_images.Item( index );
 211
 212     wxCHECK_MSG( node, false, wxT("wrong index in image list") );
 213
 214     delete node->GetData();
 215     m_images.Erase( node );
 216
 217     return true;
 218 }
 219
 220 bool wxGenericImageList::RemoveAll()
 221 {
 222     WX_CLEAR_LIST(wxList, m_images);
 223     m_images.Clear();
 224
 225     return true;
 226 }
 227
 228 bool wxGenericImageList::GetSize( int index, int &width, int &height ) const
 229 {
 230     width = 0;
 231     height = 0;
 232
 233     wxList::compatibility_iterator node = m_images.Item( index );
 234
 235     wxCHECK_MSG( node, false, wxT("wrong index in image list") );
 236
 237     wxBitmap *bm = (wxBitmap*)node->GetData();
 238     width = bm->GetWidth();
 239     height = bm->GetHeight();
 240
 241     return true;
 242 }
 243
 244 bool wxGenericImageList::Draw( int index, wxDC &dc, int x, int y,
 245                         int flags, bool WXUNUSED(solidBackground) )
 246 {
 247     wxList::compatibility_iterator node = m_images.Item( index );
 248
 249     wxCHECK_MSG( node, false, wxT("wrong index in image list") );
 250
 251     wxBitmap *bm = (wxBitmap*)node->GetData();
 252
 253     if (bm->IsKindOf(CLASSINFO(wxIcon)))
 254         dc.DrawIcon( * ((wxIcon*) bm), x, y);
 255     else
 256         dc.DrawBitmap( *bm, x, y, (flags & wxIMAGELIST_DRAW_TRANSPARENT) > 0 );
 257
 258     return true;
 259 }
 260
 261 #endif // wxUSE_IMAGLIST
 262 #endif // __WXPALMOS__