I still think that's needed ...

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

diff --git a/src/mac/carbon/palette.cpp b/src/mac/carbon/palette.cpp
index 33cd9b972dee43dd32be8e6e29a7c2598d9f58a2..37b1826a80690bb4357ed45ce9c8f61484573842 100644 (file)
--- a/src/mac/carbon/palette.cpp
+++ b/src/mac/carbon/palette.cpp
@@ -1,12 +1,12 @@
 /////////////////////////////////////////////////////////////////////////////
-// 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
 /////////////////////////////////////////////////////////////////////////////
 
 #include "wx/wxprec.h"
@@ -14,28 +14,55 @@
 #if wxUSE_PALETTE
 
 #include "wx/palette.h"
+#include "wx/colour.h"
 
 IMPLEMENT_DYNAMIC_CLASS(wxPalette, wxGDIObject)
 
-/*
- * 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()
 {
-    if (m_palette != NULL) {
-        delete[] m_palette ;
-        m_palette = NULL;
-    }
+    delete[] m_palette;
 }
 
+// ============================================================================
+// wxPalette
+// ============================================================================
+
 wxPalette::wxPalette()
 {
 }
@@ -52,29 +79,29 @@ 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;
+
+    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] ;
@@ -84,29 +111,45 @@ int wxPalette::GetPixel(const unsigned char red, const unsigned char green, cons
             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;
-    
+        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
+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