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 && bitmap.GetHeight() == m_height)
  77                   || (m_width == 0 && m_height == 0),
  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
  86     if (m_width == 0 && m_height == 0)
  87     {
  88         m_width = bitmap.GetWidth();
  89         m_height = bitmap.GetHeight();
  90     }
  91
  92     return m_images.GetCount()-1;
  93 }
  94
  95 int wxGenericImageList::Add( const wxBitmap& bitmap, const wxBitmap& mask )
  96 {
  97     wxBitmap bmp(bitmap);
  98     if (mask.Ok())
  99         bmp.SetMask(new wxMask(mask));
 100     return Add(bmp);
 101 }
 102
 103 int wxGenericImageList::Add( const wxBitmap& bitmap, const wxColour& maskColour )
 104 {
 105     wxImage img = bitmap.ConvertToImage();
 106     img.SetMaskColour(maskColour.Red(), maskColour.Green(), maskColour.Blue());
 107     return Add(wxBitmap(img));
 108 }
 109
 110 const wxBitmap *wxGenericImageList::GetBitmapPtr( int index ) const
 111 {
 112     wxList::compatibility_iterator node = m_images.Item( index );
 113
 114     wxCHECK_MSG( node, (wxBitmap *) NULL, wxT("wrong index in image list") );
 115
 116     return (wxBitmap*)node->GetData();
 117 }
 118
 119 // Get the bitmap
 120 wxBitmap wxImageList::GetBitmap(int index) const
 121 {
 122     const wxBitmap* bmp = GetBitmapPtr(index);
 123     if (bmp)
 124         return *bmp;
 125     else
 126         return wxNullBitmap;
 127 }
 128
 129 // Get the icon
 130 wxIcon wxImageList::GetIcon(int index) const
 131 {
 132     const wxBitmap* bmp = GetBitmapPtr(index);
 133     if (bmp)
 134     {
 135         wxIcon icon;
 136         icon.CopyFromBitmap(*bmp);
 137         return icon;
 138     }
 139     else
 140         return wxNullIcon;
 141 }
 142
 143 bool wxGenericImageList::Replace( int index, const wxBitmap &bitmap )
 144 {
 145     wxList::compatibility_iterator node = m_images.Item( index );
 146
 147     wxCHECK_MSG( node, false, wxT("wrong index in image list") );
 148
 149     wxBitmap* newBitmap = (bitmap.IsKindOf(CLASSINFO(wxIcon))) ?
 150                              #if defined(__VISAGECPP__)
 151                                //just can't do this in VisualAge now, with all this new Bitmap-Icon stuff
 152                                //so construct it from a bitmap object until I can figure this nonsense out. (DW)
 153                                new wxBitmap(bitmap)
 154                              #else
 155                                new wxBitmap( (const wxIcon&) bitmap )
 156                              #endif
 157                                : new wxBitmap(bitmap) ;
 158
 159     if (index == (int) m_images.GetCount() - 1)
 160     {
 161         delete node->GetData();
 162         m_images.Erase( node );
 163         m_images.Append( newBitmap );
 164     }
 165     else
 166     {
 167         wxList::compatibility_iterator next = node->GetNext();
 168         delete node->GetData();
 169         m_images.Erase( node );
 170         m_images.Insert( next, newBitmap );
 171     }
 172
 173     return true;
 174 }
 175
 176 bool wxGenericImageList::Remove( int index )
 177 {
 178     wxList::compatibility_iterator node = m_images.Item( index );
 179
 180     wxCHECK_MSG( node, false, wxT("wrong index in image list") );
 181
 182     delete node->GetData();
 183     m_images.Erase( node );
 184
 185     return true;
 186 }
 187
 188 bool wxGenericImageList::RemoveAll()
 189 {
 190     WX_CLEAR_LIST(wxList, m_images);
 191     m_images.Clear();
 192
 193     return true;
 194 }
 195
 196 bool wxGenericImageList::GetSize( int index, int &width, int &height ) const
 197 {
 198     width = 0;
 199     height = 0;
 200
 201     wxList::compatibility_iterator node = m_images.Item( index );
 202
 203     wxCHECK_MSG( node, false, wxT("wrong index in image list") );
 204
 205     wxBitmap *bm = (wxBitmap*)node->GetData();
 206     width = bm->GetWidth();
 207     height = bm->GetHeight();
 208
 209     return true;
 210 }
 211
 212 bool wxGenericImageList::Draw( int index, wxDC &dc, int x, int y,
 213                         int flags, bool WXUNUSED(solidBackground) )
 214 {
 215     wxList::compatibility_iterator node = m_images.Item( index );
 216
 217     wxCHECK_MSG( node, false, wxT("wrong index in image list") );
 218
 219     wxBitmap *bm = (wxBitmap*)node->GetData();
 220
 221     if (bm->IsKindOf(CLASSINFO(wxIcon)))
 222         dc.DrawIcon( * ((wxIcon*) bm), x, y);
 223     else
 224         dc.DrawBitmap( *bm, x, y, (flags & wxIMAGELIST_DRAW_TRANSPARENT) > 0 );
 225
 226     return true;
 227 }
 228
 229 #endif // __WXPALMOS__