Initial revision

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@2 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/gtk/colour.cpp

@@ -0,0 +1,225 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        colour.cpp
+// Purpose:
+// Author:      Robert Roebling
+// Created:     01/02/97
+// Id:
+// Copyright:   (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
+// Licence:   	wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+
+#ifdef __GNUG__
+#pragma implementation "colour.h"
+#endif
+
+#include "wx/gdicmn.h"
+
+#ifdef USE_GDK_IMLIB
+#include "gdk_imlib.h"
+#endif
+
+//-----------------------------------------------------------------------------
+// wxColour
+//-----------------------------------------------------------------------------
+
+class wxColourRefData: public wxObjectRefData
+{
+  public:
+  
+    wxColourRefData(void);
+    ~wxColourRefData(void);
+    void FreeColour(void);
+  
+    GdkColor     m_color;
+    GdkColormap *m_colormap;
+    bool         m_hasPixel;
+    
+    friend wxColour;
+};
+
+wxColourRefData::wxColourRefData(void)
+{
+  m_color.red = 0;
+  m_color.green = 0;
+  m_color.blue = 0;
+  m_color.pixel = 0;
+  m_colormap = NULL;
+  m_hasPixel = FALSE;
+};
+
+wxColourRefData::~wxColourRefData(void)
+{
+  FreeColour();
+};
+
+void wxColourRefData::FreeColour(void)
+{
+//  if (m_hasPixel) gdk_colors_free( m_colormap, &m_color, 1, 0 );
+};
+
+//-----------------------------------------------------------------------------
+
+#define M_COLDATA ((wxColourRefData *)m_refData)
+
+#define SHIFT (8*(sizeof(short int)-sizeof(char)))
+
+IMPLEMENT_DYNAMIC_CLASS(wxColour,wxGDIObject)
+
+wxColour::wxColour(void)
+{
+};
+
+wxColour::wxColour( char red, char green, char blue )
+{
+  m_refData = new wxColourRefData();
+  M_COLDATA->m_color.red = ((unsigned short)red) << SHIFT;
+  M_COLDATA->m_color.green = ((unsigned short)green) << SHIFT;
+  M_COLDATA->m_color.blue = ((unsigned short)blue) << SHIFT;
+  M_COLDATA->m_color.pixel = 0;
+};
+  
+wxColour::wxColour( const wxString &colourName )
+{
+  wxNode *node = NULL;
+  if ( (wxTheColourDatabase) && (node = wxTheColourDatabase->Find(colourName)) ) 
+  {
+    wxColour *col = (wxColour*)node->Data();
+    UnRef();
+    if (col) Ref( *col );
+  } 
+  else 
+  {
+    m_refData = new wxColourRefData();
+    if (!gdk_color_parse( colourName, &M_COLDATA->m_color ))
+    {
+      delete m_refData;
+      m_refData = NULL;
+    };
+  };
+};
+
+wxColour::wxColour( const wxColour& col )
+{ 
+  Ref( col ); 
+};
+
+wxColour::wxColour( const wxColour* col ) 
+{ 
+  if (col) Ref( *col ); 
+};
+
+wxColour::~wxColour(void)
+{
+};
+
+wxColour& wxColour::operator = ( const wxColour& col ) 
+{ 
+  if (*this == col) return (*this); 
+  Ref( col ); 
+  return *this; 
+};
+
+wxColour& wxColour::operator = ( const wxString& colourName ) 
+{ 
+  UnRef();
+  wxNode *node = NULL;
+  if ((wxTheColourDatabase) && (node = wxTheColourDatabase->Find(colourName)) ) 
+  {
+    wxColour *col = (wxColour*)node->Data();
+    if (col) Ref( *col );
+  } 
+  else 
+  {
+    m_refData = new wxColourRefData();
+    if (!gdk_color_parse( colourName, &M_COLDATA->m_color ))
+    {
+      delete m_refData;
+      m_refData = NULL;
+    };
+  };
+  return *this; 
+};
+
+bool wxColour::operator == ( const wxColour& col ) 
+{ 
+  return m_refData == col.m_refData; 
+};
+
+bool wxColour::operator != ( const wxColour& col) 
+{ 
+  return m_refData != col.m_refData; 
+};
+
+void wxColour::Set( const unsigned char red, const unsigned char green, const unsigned char blue )
+{
+  UnRef();
+  m_refData = new wxColourRefData();
+  M_COLDATA->m_color.red = ((unsigned short)red) << SHIFT;
+  M_COLDATA->m_color.green = ((unsigned short)green) << SHIFT;
+  M_COLDATA->m_color.blue = ((unsigned short)blue) << SHIFT;
+  M_COLDATA->m_color.pixel = 0;
+};
+
+unsigned char wxColour::Red(void) const
+{
+  if (!Ok()) return 0;
+  return (unsigned char)(M_COLDATA->m_color.red >> SHIFT);
+};
+
+unsigned char wxColour::Green(void) const
+{
+  if (!Ok()) return 0;
+  return (unsigned char)(M_COLDATA->m_color.green >> SHIFT);
+};
+
+unsigned char wxColour::Blue(void) const
+{
+  if (!Ok()) return 0;
+  return (unsigned char)(M_COLDATA->m_color.blue >> SHIFT);
+};
+
+bool wxColour::Ok(void) const
+{
+  return (m_refData);
+};
+
+void wxColour::CalcPixel( GdkColormap *cmap )
+{
+  if (!Ok()) return;
+  
+  if ((M_COLDATA->m_hasPixel) && (M_COLDATA->m_colormap == cmap)) return;
+  M_COLDATA->FreeColour();
+  
+#ifdef USE_GDK_IMLIB
+
+  int r = M_COLDATA->m_color.red >> SHIFT;
+  int g = M_COLDATA->m_color.green >> SHIFT;
+  int b = M_COLDATA->m_color.blue >> SHIFT;
+  M_COLDATA->m_hasPixel = TRUE;
+  M_COLDATA->m_color.pixel = gdk_imlib_best_color_match( &r, &g, &b );
+
+#else
+
+  M_COLDATA->m_hasPixel = gdk_color_alloc( cmap, &M_COLDATA->m_color );
+  
+#endif
+  
+  M_COLDATA->m_colormap = cmap;
+};
+
+int wxColour::GetPixel(void)
+{
+  if (!Ok()) return 0;
+  
+  return M_COLDATA->m_color.pixel;
+};
+
+GdkColor *wxColour::GetColor(void)
+{
+  if (!Ok()) return NULL;
+  
+  return &M_COLDATA->m_color;
+};
+
+