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