split classic and carbon

[wxWidgets.git] / src / mac / classic / palette.cpp

diff --git a/src/mac/classic/palette.cpp b/src/mac/classic/palette.cpp
new file mode 100644 (file)
index 0000000..60a0de6
--- /dev/null
+++ b/src/mac/classic/palette.cpp
@@ -0,0 +1,118 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        palette.cpp
+// Purpose:     wxPalette
+// Author:      Stefan Csomor
+// Modified by:
+// Created:     1998-01-01
+// RCS-ID:      $Id$
+// Copyright:   (c) Stefan Csomor
+// Licence:       wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+#ifdef __GNUG__
+#pragma implementation "palette.h"
+#endif
+
+#include "wx/defs.h"
+
+#if wxUSE_PALETTE
+
+#include "wx/palette.h"
+
+#if !USE_SHARED_LIBRARIES
+IMPLEMENT_DYNAMIC_CLASS(wxPalette, wxGDIObject)
+#endif
+
+/*
+ * Palette
+ *
+ */
+
+wxPaletteRefData::wxPaletteRefData()
+{
+    m_palette = NULL ;
+    m_count = 0 ;
+}
+
+wxPaletteRefData::~wxPaletteRefData()
+{
+    if (m_palette != NULL) {
+        delete[] m_palette ;
+        m_palette = NULL;
+    }
+}
+
+wxPalette::wxPalette()
+{
+}
+
+wxPalette::wxPalette(int n, const unsigned char *red, const unsigned char *green, const unsigned char *blue)
+{
+    Create(n, red, green, blue);
+}
+
+wxPalette::~wxPalette()
+{
+}
+
+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;
+}
+
+int wxPalette::GetPixel(const unsigned char red, const unsigned char green, const unsigned char blue) const
+{
+    if ( !m_refData )
+        return -1;
+    
+    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 ; 
+        }
+    }
+    
+    return bestpos;
+}
+
+bool wxPalette::GetRGB(int index, unsigned char *red, unsigned char *green, unsigned char *blue) const
+{
+    if ( !m_refData )
+        return FALSE;
+    
+    if (index < 0 || index >= M_PALETTEDATA->m_count)
+        return FALSE;
+    
+    const wxColour& col = &M_PALETTEDATA->m_palette[index] ;
+    *red = col.Red() ;
+    *green = col.Green() ;
+    *blue = col.Blue() ;
+    
+    return TRUE;
+}
+
+#endif
+// wxUSE_PALETTE
+