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