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