/////////////////////////////////////////////////////////////////////////////
-// Name: palette.cpp
+// Name: src/mac/carbon/palette.cpp
// Purpose: wxPalette
// Author: Stefan Csomor
// Modified by:
// Created: 1998-01-01
// RCS-ID: $Id$
// Copyright: (c) Stefan Csomor
-// Licence: wxWindows licence
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-#pragma implementation "palette.h"
-#endif
-
#include "wx/wxprec.h"
#if wxUSE_PALETTE
#include "wx/palette.h"
-#if !USE_SHARED_LIBRARIES
IMPLEMENT_DYNAMIC_CLASS(wxPalette, wxGDIObject)
-#endif
/*
* Palette
bool wxPalette::Create(int n, const unsigned char *red, const unsigned char *green, const unsigned char *blue)
{
UnRef();
-
+
m_refData = new wxPaletteRefData;
-
+
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] ) ;
}
-
- 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] ;
+ 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 ;
+ 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;
-
- const wxColour& col = &M_PALETTEDATA->m_palette[index] ;
+ return false;
+
+ const wxColour& col = M_PALETTEDATA->m_palette[index] ;
*red = col.Red() ;
*green = col.Green() ;
*blue = col.Blue() ;
-
- return TRUE;
+
+ return true;
}
#endif
// wxUSE_PALETTE
-