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