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/generic/imaglist.h"
  22 #include "wx/icon.h"
  23 #include "wx/image.h"
  24 #include "wx/dc.h"
  25
  26 //-----------------------------------------------------------------------------
  27 //  wxImageList
  28 //-----------------------------------------------------------------------------
  29
  30 IMPLEMENT_DYNAMIC_CLASS(wxGenericImageList, wxObject)
  31
  32 #if !defined(__WXMSW__) || defined(__WIN16__) || defined(__WXUNIVERSAL__)
  33 /*
  34  * wxImageList has to be a real class or we have problems with
  35  * the run-time information.
  36  */
  37
  38 IMPLEMENT_DYNAMIC_CLASS(wxImageList, wxGenericImageList)
  39 #endif
  40
  41 wxGenericImageList::wxGenericImageList( int width, int height, bool mask, int initialCount )
  42 {
  43     (void)Create(width, height, mask, initialCount);
  44 }
  45
  46 wxGenericImageList::~wxGenericImageList()
  47 {
  48 }
  49
  50 int wxGenericImageList::GetImageCount() const
  51 {
  52     return m_images.GetCount();
  53 }
  54
  55 bool wxGenericImageList::Create( int width, int height, bool WXUNUSED(mask), int WXUNUSED(initialCount) )
  56 {
  57     m_width = width;
  58     m_height = height;
  59
  60     return Create();
  61 }
  62
  63 bool wxGenericImageList::Create()
  64 {
  65     return TRUE;
  66 }
  67
  68 int wxGenericImageList::Add( const wxBitmap &bitmap )
  69 {
  70     wxASSERT_MSG( bitmap.GetWidth() == m_width &&
  71                     bitmap.GetHeight() == m_height,
  72                   _T("invalid bitmap size in wxImageList: this might work ")
  73                   _T("on this platform but definitely won't under Windows.") );
  74
  75     if (bitmap.IsKindOf(CLASSINFO(wxIcon)))
  76         m_images.Append( new wxIcon( (const wxIcon&) bitmap ) );
  77     else
  78         m_images.Append( new wxBitmap(bitmap) );
  79     return m_images.GetCount()-1;
  80 }
  81
  82 int wxGenericImageList::Add( const wxBitmap& bitmap, const wxBitmap& mask )
  83 {
  84     wxBitmap bmp(bitmap);
  85     if (mask.Ok())
  86         bmp.SetMask(new wxMask(mask));
  87     return Add(bmp);
  88 }
  89
  90 int wxGenericImageList::Add( const wxBitmap& bitmap, const wxColour& maskColour )
  91 {
  92     wxImage img = bitmap.ConvertToImage();
  93     img.SetMaskColour(maskColour.Red(), maskColour.Green(), maskColour.Blue());
  94     return Add(wxBitmap(img));
  95 }
  96
  97 const wxBitmap *wxGenericImageList::GetBitmap( int index ) const
  98 {
  99     wxList::compatibility_iterator node = m_images.Item( index );
 100
 101     wxCHECK_MSG( node, (wxBitmap *) NULL, wxT("wrong index in image list") );
 102
 103     return (wxBitmap*)node->GetData();
 104 }
 105
 106 bool wxGenericImageList::Replace( int index, const wxBitmap &bitmap )
 107 {
 108     wxList::compatibility_iterator node = m_images.Item( index );
 109
 110     wxCHECK_MSG( node, FALSE, wxT("wrong index in image list") );
 111
 112     wxBitmap* newBitmap = (bitmap.IsKindOf(CLASSINFO(wxIcon))) ?
 113                              #if defined(__VISAGECPP__)
 114                                //just can't do this in VisualAge now, with all this new Bitmap-Icon stuff
 115                                //so construct it from a bitmap object until I can figure this nonsense out. (DW)
 116                                new wxBitmap(bitmap)
 117                              #else
 118                                new wxBitmap( (const wxIcon&) bitmap )
 119                              #endif
 120                                : new wxBitmap(bitmap) ;
 121
 122     if (index == (int) m_images.GetCount() - 1)
 123     {
 124         delete node->GetData();
 125         m_images.Erase( node );
 126         m_images.Append( newBitmap );
 127     }
 128     else
 129     {
 130         wxList::compatibility_iterator next = node->GetNext();
 131         delete node->GetData();
 132         m_images.Erase( node );
 133         m_images.Insert( next, newBitmap );
 134     }
 135
 136     return TRUE;
 137 }
 138
 139 bool wxGenericImageList::Remove( int index )
 140 {
 141     wxList::compatibility_iterator node = m_images.Item( index );
 142
 143     wxCHECK_MSG( node, FALSE, wxT("wrong index in image list") );
 144
 145     delete node->GetData();
 146     m_images.Erase( node );
 147
 148     return TRUE;
 149 }
 150
 151 bool wxGenericImageList::RemoveAll()
 152 {
 153     WX_CLEAR_LIST(wxList, m_images);
 154     m_images.Clear();
 155
 156     return TRUE;
 157 }
 158
 159 bool wxGenericImageList::GetSize( int index, int &width, int &height ) const
 160 {
 161     width = 0;
 162     height = 0;
 163
 164     wxList::compatibility_iterator node = m_images.Item( index );
 165
 166     wxCHECK_MSG( node, FALSE, wxT("wrong index in image list") );
 167
 168     wxBitmap *bm = (wxBitmap*)node->GetData();
 169     width = bm->GetWidth();
 170     height = bm->GetHeight();
 171
 172     return TRUE;
 173 }
 174
 175 bool wxGenericImageList::Draw( int index, wxDC &dc, int x, int y,
 176                         int flags, bool WXUNUSED(solidBackground) )
 177 {
 178     wxList::compatibility_iterator node = m_images.Item( index );
 179
 180     wxCHECK_MSG( node, FALSE, wxT("wrong index in image list") );
 181
 182     wxBitmap *bm = (wxBitmap*)node->GetData();
 183
 184     if (bm->IsKindOf(CLASSINFO(wxIcon)))
 185         dc.DrawIcon( * ((wxIcon*) bm), x, y);
 186     else
 187         dc.DrawBitmap( *bm, x, y, (flags & wxIMAGELIST_DRAW_TRANSPARENT) > 0 );
 188
 189     return TRUE;
 190 }
 191
 192