src/osx/imaglist.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/osx/imaglist.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // RCS_ID:      $Id$
   6 // Copyright:   (c) 1998 Robert Roebling
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 #include "wx/wxprec.h"
  11
  12 #ifdef __BORLANDC__
  13     #pragma hdrstop
  14 #endif
  15
  16 #if wxUSE_IMAGLIST
  17
  18 #include "wx/imaglist.h"
  19
  20 #ifndef WX_PRECOMP
  21     #include "wx/dc.h"
  22     #include "wx/icon.h"
  23     #include "wx/image.h"
  24 #endif
  25
  26 IMPLEMENT_DYNAMIC_CLASS(wxImageList, wxObject)
  27
  28
  29 wxImageList::wxImageList( int width, int height, bool mask, int initialCount )
  30 {
  31     (void)Create(width, height, mask, initialCount);
  32 }
  33
  34 wxImageList::~wxImageList()
  35 {
  36     (void)RemoveAll();
  37 }
  38
  39 int wxImageList::GetImageCount() const
  40 {
  41     return m_images.GetCount();
  42 }
  43
  44 bool wxImageList::Create( int width, int height, bool WXUNUSED(mask), int WXUNUSED(initialCount) )
  45 {
  46     m_width = width;
  47     m_height = height;
  48
  49     return Create();
  50 }
  51
  52 bool wxImageList::Create()
  53 {
  54     return true;
  55 }
  56
  57 int wxImageList::Add( const wxIcon &bitmap )
  58 {
  59     wxASSERT_MSG( (bitmap.GetWidth() == m_width && bitmap.GetHeight() == m_height)
  60                   || (m_width == 0 && m_height == 0),
  61                   _T("invalid bitmap size in wxImageList: this might work ")
  62                   _T("on this platform but definitely won't under Windows.") );
  63
  64     m_images.Append( new wxIcon( bitmap ) );
  65
  66     if (m_width == 0 && m_height == 0)
  67     {
  68         m_width = bitmap.GetWidth();
  69         m_height = bitmap.GetHeight();
  70     }
  71
  72     return m_images.GetCount() - 1;
  73 }
  74
  75 int wxImageList::Add( const wxBitmap &bitmap )
  76 {
  77     wxASSERT_MSG( (bitmap.GetWidth() >= m_width && bitmap.GetHeight() == m_height)
  78                   || (m_width == 0 && m_height == 0),
  79                   _T("invalid bitmap size in wxImageList: this might work ")
  80                   _T("on this platform but definitely won't under Windows.") );
  81
  82     // Mimic behavior of Windows ImageList_Add that automatically breaks up the added
  83     // bitmap into sub-images of the correct size
  84     if (m_width > 0 && bitmap.GetWidth() > m_width && bitmap.GetHeight() >= m_height)
  85     {
  86         int numImages = bitmap.GetWidth() / m_width;
  87         for (int subIndex = 0; subIndex < numImages; subIndex++)
  88         {
  89             wxRect rect(m_width * subIndex, 0, m_width, m_height);
  90             wxBitmap tmpBmp = bitmap.GetSubBitmap(rect);
  91             m_images.Append( new wxBitmap(tmpBmp) );
  92         }
  93     }
  94     else
  95     {
  96         m_images.Append( new wxBitmap(bitmap) );
  97     }
  98
  99     if (m_width == 0 && m_height == 0)
 100     {
 101         m_width = bitmap.GetWidth();
 102         m_height = bitmap.GetHeight();
 103     }
 104
 105     return m_images.GetCount() - 1;
 106 }
 107
 108 int wxImageList::Add( const wxBitmap& bitmap, const wxBitmap& mask )
 109 {
 110     wxBitmap bmp( bitmap );
 111     if (mask.Ok())
 112         bmp.SetMask( new wxMask( mask ) );
 113
 114     return Add( bmp );
 115 }
 116
 117 int wxImageList::Add( const wxBitmap& bitmap, const wxColour& maskColour )
 118 {
 119     wxImage img = bitmap.ConvertToImage();
 120     img.SetMaskColour( maskColour.Red(), maskColour.Green(), maskColour.Blue() );
 121
 122     return Add( wxBitmap( img ) );
 123 }
 124
 125 // Get the bitmap
 126 wxBitmap wxImageList::GetBitmap(int index) const
 127 {
 128     wxList::compatibility_iterator node = m_images.Item( index );
 129
 130     wxCHECK_MSG( node, wxNullBitmap , wxT("wrong index in image list") );
 131
 132     wxObject* obj = (wxObject*) node->GetData();
 133     if ( obj == NULL )
 134         return wxNullBitmap ;
 135     else if ( obj->IsKindOf(CLASSINFO(wxIcon)) )
 136         return wxBitmap( *(static_cast<wxIcon*>(obj)) ) ;
 137     else
 138         return *(static_cast<wxBitmap*>(obj)) ;
 139 }
 140
 141 // Get the icon
 142 wxIcon wxImageList::GetIcon(int index) const
 143 {
 144     wxList::compatibility_iterator node = m_images.Item( index );
 145
 146     wxCHECK_MSG( node, wxNullIcon , wxT("wrong index in image list") );
 147
 148     wxObject* obj = (wxObject*) node->GetData();
 149     if ( obj == NULL )
 150         return wxNullIcon ;
 151     else if ( obj->IsKindOf(CLASSINFO(wxBitmap)) )
 152     {
 153         wxFAIL_MSG( wxT("cannot convert from bitmap to icon") ) ;
 154         return wxNullIcon ;
 155     }
 156     else
 157         return *(static_cast<wxIcon*>(obj)) ;
 158 }
 159
 160 bool wxImageList::Replace( int index, const wxBitmap &bitmap )
 161 {
 162     wxList::compatibility_iterator node = m_images.Item( index );
 163
 164     wxCHECK_MSG( node, false, wxT("wrong index in image list") );
 165
 166     wxBitmap* newBitmap = new wxBitmap( bitmap );
 167
 168     if (index == (int) m_images.GetCount() - 1)
 169     {
 170         delete node->GetData();
 171
 172         m_images.Erase( node );
 173         m_images.Append( newBitmap );
 174     }
 175     else
 176     {
 177         wxList::compatibility_iterator next = node->GetNext();
 178         delete node->GetData();
 179
 180         m_images.Erase( node );
 181         m_images.Insert( next, newBitmap );
 182     }
 183
 184     return true;
 185 }
 186
 187 bool wxImageList::Replace( int index, const wxIcon &bitmap )
 188 {
 189     wxList::compatibility_iterator node = m_images.Item( index );
 190
 191     wxCHECK_MSG( node, false, wxT("wrong index in image list") );
 192
 193     wxIcon* newBitmap = new wxIcon( bitmap );
 194
 195     if (index == (int) m_images.GetCount() - 1)
 196     {
 197         delete node->GetData();
 198         m_images.Erase( node );
 199         m_images.Append( newBitmap );
 200     }
 201     else
 202     {
 203         wxList::compatibility_iterator next = node->GetNext();
 204         delete node->GetData();
 205         m_images.Erase( node );
 206         m_images.Insert( next, newBitmap );
 207     }
 208
 209     return true;
 210 }
 211
 212 bool wxImageList::Replace( int index, const wxBitmap &bitmap, const wxBitmap &mask )
 213 {
 214     wxList::compatibility_iterator node = m_images.Item( index );
 215
 216     wxCHECK_MSG( node, false, wxT("wrong index in image list") );
 217
 218     wxBitmap* newBitmap = new wxBitmap(bitmap);
 219
 220     if (index == (int) m_images.GetCount() - 1)
 221     {
 222         delete node->GetData();
 223         m_images.Erase( node );
 224         m_images.Append( newBitmap );
 225     }
 226     else
 227     {
 228         wxList::compatibility_iterator next = node->GetNext();
 229         delete node->GetData();
 230         m_images.Erase( node );
 231         m_images.Insert( next, newBitmap );
 232     }
 233
 234     if (mask.Ok())
 235         newBitmap->SetMask(new wxMask(mask));
 236
 237     return true;
 238 }
 239
 240 bool wxImageList::Remove( int index )
 241 {
 242     wxList::compatibility_iterator node = m_images.Item( index );
 243
 244     wxCHECK_MSG( node, false, wxT("wrong index in image list") );
 245
 246     delete node->GetData();
 247     m_images.Erase( node );
 248
 249     return true;
 250 }
 251
 252 bool wxImageList::RemoveAll()
 253 {
 254     WX_CLEAR_LIST(wxList, m_images);
 255     m_images.Clear();
 256
 257     return true;
 258 }
 259
 260 bool wxImageList::GetSize( int index, int &width, int &height ) const
 261 {
 262     width = 0;
 263     height = 0;
 264
 265     wxList::compatibility_iterator node = m_images.Item( index );
 266
 267     wxCHECK_MSG( node, false, wxT("wrong index in image list") );
 268
 269     wxObject *obj = (wxObject*)node->GetData();
 270     if (obj->IsKindOf(CLASSINFO(wxIcon)))
 271     {
 272         wxIcon *bm = static_cast< wxIcon* >(obj ) ;
 273         width = bm->GetWidth();
 274         height = bm->GetHeight();
 275     }
 276     else
 277     {
 278         wxBitmap *bm = static_cast< wxBitmap* >(obj ) ;
 279         width = bm->GetWidth();
 280         height = bm->GetHeight();
 281     }
 282
 283     return true;
 284 }
 285
 286 bool wxImageList::Draw(
 287     int index, wxDC &dc, int x, int y,
 288     int flags, bool WXUNUSED(solidBackground) )
 289 {
 290     wxList::compatibility_iterator node = m_images.Item( index );
 291
 292     wxCHECK_MSG( node, false, wxT("wrong index in image list") );
 293
 294     wxObject *obj = (wxObject*)node->GetData();
 295     if (obj->IsKindOf(CLASSINFO(wxIcon)))
 296     {
 297         wxIcon *bm = static_cast< wxIcon* >(obj ) ;
 298         dc.DrawIcon( *bm , x, y );
 299     }
 300     else
 301     {
 302         wxBitmap *bm = static_cast< wxBitmap* >(obj ) ;
 303         dc.DrawBitmap( *bm, x, y, (flags & wxIMAGELIST_DRAW_TRANSPARENT) > 0 );
 304     }
 305
 306     return true;
 307 }
 308
 309 #endif // wxUSE_IMAGLIST