/////////////////////////////////////////////////////////////////////////////
-// Name: palette.cpp
+// Name: src/mac/carbon/palette.cpp
// Purpose: wxPalette
-// Author: AUTHOR
+// Author: Stefan Csomor
// Modified by:
-// Created: ??/??/98
+// Created: 1998-01-01
// RCS-ID: $Id$
-// Copyright: (c) AUTHOR
-// Licence: wxWindows licence
+// Copyright: (c) Stefan Csomor
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
-#pragma implementation "palette.h"
-#endif
-
-#include "wx/defs.h"
+#include "wx/wxprec.h"
#if wxUSE_PALETTE
#include "wx/palette.h"
+#include "wx/colour.h"
-#if !USE_SHARED_LIBRARIES
IMPLEMENT_DYNAMIC_CLASS(wxPalette, wxGDIObject)
-#endif
-/*
- * Palette
- *
- */
+// ============================================================================
+// wxPaletteRefData
+// ============================================================================
+
+class WXDLLEXPORT wxPaletteRefData: public wxGDIRefData
+{
+public:
+ wxPaletteRefData();
+ wxPaletteRefData(const wxPaletteRefData& data);
+ virtual ~wxPaletteRefData();
+
+ virtual bool IsOk() const { return m_count > 0; }
+
+protected:
+ wxColour* m_palette;
+ wxInt32 m_count;
+
+ friend class WXDLLIMPEXP_FWD_CORE wxPalette;
+
+ DECLARE_NO_ASSIGN_CLASS(wxPaletteRefData)
+};
wxPaletteRefData::wxPaletteRefData()
{
- m_palette = NULL ;
- m_count = 0 ;
+ m_palette = NULL;
+ m_count = 0;
+}
+
+wxPaletteRefData::wxPaletteRefData(const wxPaletteRefData& data)
+{
+ m_count = data.m_count;
+ m_palette = new wxColour[m_count];
+ for ( wxInt32 i = 0; i < m_count; i++ )
+ m_palette[i] = data.m_palette[i];
}
wxPaletteRefData::~wxPaletteRefData()
{
- delete[] m_palette ;
+ delete[] m_palette;
}
+// ============================================================================
+// wxPalette
+// ============================================================================
+
wxPalette::wxPalette()
{
}
bool wxPalette::Create(int n, const unsigned char *red, const unsigned char *green, const unsigned char *blue)
{
- UnRef();
+ UnRef();
+
+ m_refData = new wxPaletteRefData;
- m_refData = new wxPaletteRefData;
+ M_PALETTEDATA->m_count = n ;
+ M_PALETTEDATA->m_palette = new wxColour[n] ;
- M_PALETTEDATA->m_count = n ;
- M_PALETTEDATA->m_palette = new wxColour[n] ;
-
- for ( int i = 0 ; i < n ; ++i)
- {
- M_PALETTEDATA->m_palette[i].Set( red[i] , green[i] , blue[i] ) ;
- }
+ for ( int i = 0 ; i < n ; ++i)
+ {
+ M_PALETTEDATA->m_palette[i].Set( red[i] , green[i] , blue[i] ) ;
+ }
- return FALSE;
+ return false;
}
-int wxPalette::GetPixel(const unsigned char red, const unsigned char green, const unsigned char blue) const
+int wxPalette::GetPixel(unsigned char red, unsigned char green, unsigned char blue) const
{
if ( !m_refData )
- return -1;
+ return wxNOT_FOUND;
long bestdiff = 3 * 256 ;
long bestpos = 0 ;
long currentdiff ;
-
+
for ( int i = 0 ; i < M_PALETTEDATA->m_count ; ++i )
{
- const wxColour& col = &M_PALETTEDATA->m_palette[i] ;
- currentdiff = abs ( col.Red() - red ) + abs( col.Green() - green ) + abs ( col.Blue() - blue ) ;
- if ( currentdiff < bestdiff )
- {
- bestdiff = currentdiff ;
- bestpos = i ;
- if ( bestdiff == 0 )
- break ;
- }
+ const wxColour& col = M_PALETTEDATA->m_palette[i] ;
+ currentdiff = abs ( col.Red() - red ) + abs( col.Green() - green ) + abs ( col.Blue() - blue ) ;
+ if ( currentdiff < bestdiff )
+ {
+ bestdiff = currentdiff ;
+ bestpos = i ;
+ if ( bestdiff == 0 )
+ break ;
+ }
}
-
+
return bestpos;
}
bool wxPalette::GetRGB(int index, unsigned char *red, unsigned char *green, unsigned char *blue) const
{
if ( !m_refData )
- return FALSE;
+ return false;
if (index < 0 || index >= M_PALETTEDATA->m_count)
- return FALSE;
+ return false;
- const wxColour& col = &M_PALETTEDATA->m_palette[index] ;
+ const wxColour& col = M_PALETTEDATA->m_palette[index] ;
*red = col.Red() ;
*green = col.Green() ;
*blue = col.Blue() ;
-
- return TRUE;
+
+ return true;
}
-#endif
- // wxUSE_PALETTE
+int wxPalette::GetColoursCount() const
+{
+ if (m_refData)
+ return M_PALETTEDATA->m_count;
+
+ return 0;
+}
+
+wxGDIRefData *wxPalette::CreateGDIRefData() const
+{
+ return new wxPaletteRefData;
+}
+
+wxGDIRefData *wxPalette::CloneGDIRefData(const wxGDIRefData *data) const
+{
+ return new wxPaletteRefData(*wx_static_cast(const wxPaletteRefData *, data));
+}
+#endif // wxUSE_PALETTE