src/mac/carbon/imaglist.cpp

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