/////////////////////////////////////////////////////////////////////////////
-// Name: colour.cpp
+// Name: src/gtk/colour.cpp
// Purpose:
// Author: Robert Roebling
-// Created: 01/02/97
-// Id:
-// Copyright: (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
-// Licence: wxWindows licence
+// Id: $Id$
+// Copyright: (c) 1998 Robert Roebling
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
-#ifdef __GNUG__
-#pragma implementation "colour.h"
-#endif
+#include "wx/colour.h"
-#include "wx/gdicmn.h"
+#include "wx/gtk/private.h"
-#ifdef USE_GDK_IMLIB
-#include "../gdk_imlib/gdk_imlib.h"
-#endif
+#include <gdk/gdk.h>
//-----------------------------------------------------------------------------
// wxColour
class wxColourRefData: public wxObjectRefData
{
- public:
-
- wxColourRefData(void);
- ~wxColourRefData(void);
- void FreeColour(void);
-
+public:
+ wxColourRefData()
+ {
+ m_color.red = 0;
+ m_color.green = 0;
+ m_color.blue = 0;
+ m_color.pixel = 0;
+ m_colormap = NULL;
+ m_hasPixel = false;
+ }
+
+ wxColourRefData(const wxColourRefData& data)
+ : wxObjectRefData()
+ {
+ m_color = data.m_color;
+ m_colormap = data.m_colormap;
+ m_hasPixel = data.m_hasPixel;
+ }
+
+ ~wxColourRefData()
+ {
+ FreeColour();
+ }
+
+ void FreeColour();
+ void AllocColour( GdkColormap* cmap );
+
GdkColor m_color;
GdkColormap *m_colormap;
bool m_hasPixel;
-
- friend wxColour;
};
-wxColourRefData::wxColourRefData(void)
+void wxColourRefData::FreeColour()
{
- m_color.red = 0;
- m_color.green = 0;
- m_color.blue = 0;
- m_color.pixel = 0;
- m_colormap = NULL;
- m_hasPixel = FALSE;
-};
+ if (m_hasPixel)
+ {
+ gdk_colormap_free_colors(m_colormap, &m_color, 1);
+ }
+}
-wxColourRefData::~wxColourRefData(void)
+void wxColourRefData::AllocColour( GdkColormap *cmap )
{
- FreeColour();
-};
+ if (m_hasPixel && (m_colormap == cmap))
+ return;
-void wxColourRefData::FreeColour(void)
-{
-// if (m_hasPixel) gdk_colors_free( m_colormap, &m_color, 1, 0 );
-};
+ FreeColour();
+
+ m_hasPixel = gdk_colormap_alloc_color(cmap, &m_color, FALSE, TRUE);
+ m_colormap = cmap;
+}
//-----------------------------------------------------------------------------
-#define M_COLDATA ((wxColourRefData *)m_refData)
+#define M_COLDATA wx_static_cast(wxColourRefData*, m_refData)
-#define SHIFT (8*(sizeof(short int)-sizeof(char)))
+// GDK's values are in 0..65535 range, our are in 0..255
+#define SHIFT 8
IMPLEMENT_DYNAMIC_CLASS(wxColour,wxGDIObject)
-wxColour::wxColour(void)
+wxColour::~wxColour()
{
-};
+}
-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 )
+bool wxColour::operator == ( const wxColour& col ) const
{
- 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 ))
- {
- wxFAIL_MSG( "wxColour: couldn't find colour" );
- delete m_refData;
- m_refData = NULL;
- };
- };
-};
+ if (m_refData == col.m_refData)
+ return true;
-wxColour::wxColour( const wxColour& col )
-{
- Ref( col );
-};
+ if (!m_refData || !col.m_refData)
+ return false;
-wxColour::wxColour( const wxColour* col )
-{
- if (col) Ref( *col );
-};
+ const GdkColor& own = M_COLDATA->m_color;
+ const GdkColor& other = wx_static_cast(wxColourRefData*, col.m_refData)->m_color;
+ return own.red == other.red &&
+ own.blue == other.blue &&
+ own.green == other.green;
+}
-wxColour::~wxColour(void)
+wxObjectRefData *wxColour::CreateRefData() const
{
-};
+ return new wxColourRefData;
+}
-wxColour& wxColour::operator = ( const wxColour& col )
-{
- if (*this == col) return (*this);
- Ref( col );
- return *this;
-};
+wxObjectRefData *wxColour::CloneRefData(const wxObjectRefData *data) const
+{
+ return new wxColourRefData(*(wxColourRefData *)data);
+}
-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 ))
- {
- wxFAIL_MSG( "wxColour: couldn't find colour" );
- delete m_refData;
- m_refData = NULL;
- };
- };
- return *this;
-};
+void wxColour::InitWith( unsigned char red, unsigned char green, unsigned char blue )
+{
+ AllocExclusive();
-bool wxColour::operator == ( const wxColour& col )
-{
- return m_refData == col.m_refData;
-};
+ 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;
-bool wxColour::operator != ( const wxColour& col)
-{
- return m_refData != col.m_refData;
-};
+ M_COLDATA->m_colormap = NULL;
+ M_COLDATA->m_hasPixel = false;
+}
-void wxColour::Set( const unsigned char red, const unsigned char green, const unsigned char blue )
+unsigned char wxColour::Red() const
{
- 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;
-};
+ wxCHECK_MSG( Ok(), 0, wxT("invalid colour") );
-unsigned char wxColour::Red(void) const
-{
- if (!Ok()) return 0;
- return (unsigned char)(M_COLDATA->m_color.red >> SHIFT);
-};
+ return (unsigned char)(M_COLDATA->m_color.red >> SHIFT);
+}
-unsigned char wxColour::Green(void) const
+unsigned char wxColour::Green() const
{
- if (!Ok()) return 0;
- return (unsigned char)(M_COLDATA->m_color.green >> SHIFT);
-};
+ wxCHECK_MSG( Ok(), 0, wxT("invalid colour") );
-unsigned char wxColour::Blue(void) const
-{
- if (!Ok()) return 0;
- return (unsigned char)(M_COLDATA->m_color.blue >> SHIFT);
-};
+ return (unsigned char)(M_COLDATA->m_color.green >> SHIFT);
+}
-bool wxColour::Ok(void) const
+unsigned char wxColour::Blue() const
{
- return (m_refData);
-};
+ wxCHECK_MSG( Ok(), 0, wxT("invalid colour") );
+
+ return (unsigned char)(M_COLDATA->m_color.blue >> SHIFT);
+}
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;
-};
+ if (!Ok()) return;
-int wxColour::GetPixel(void)
+ M_COLDATA->AllocColour( cmap );
+}
+
+int wxColour::GetPixel() const
{
- if (!Ok()) return 0;
-
- return M_COLDATA->m_color.pixel;
-};
+ wxCHECK_MSG( Ok(), 0, wxT("invalid colour") );
+
+ return M_COLDATA->m_color.pixel;
+}
-GdkColor *wxColour::GetColor(void)
+GdkColor *wxColour::GetColor() const
{
- if (!Ok()) return NULL;
-
- return &M_COLDATA->m_color;
-};
+ wxCHECK_MSG( Ok(), NULL, wxT("invalid colour") );
+
+ return &M_COLDATA->m_color;
+}
+
+bool wxColour::FromString(const wxChar *str)
+{
+ GdkColor colGDK;
+ if ( gdk_color_parse( wxGTK_CONV_SYS( str ), &colGDK ) )
+ {
+ UnRef();
+ m_refData = new wxColourRefData;
+ M_COLDATA->m_color = colGDK;
+ return true;
+ }
+ return wxColourBase::FromString(str);
+}
projects / wxWidgets.git / blobdiff