/////////////////////////////////////////////////////////////////////////////
-// Name: colour.cpp
+// Name: src/gtk/colour.cpp
// Purpose:
// Author: Robert Roebling
// Id: $Id$
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
-#ifdef __GNUG__
-#pragma implementation "colour.h"
-#endif
-
-#include "wx/gdicmn.h"
+#include "wx/colour.h"
+#include "wx/gtk/private.h"
#include <gdk/gdk.h>
-#include <gdk/gdkx.h>
-#include <gdk/gdkprivate.h>
//-----------------------------------------------------------------------------
// wxColour
class wxColourRefData: public wxObjectRefData
{
public:
- wxColourRefData();
- ~wxColourRefData();
+ 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 );
-public:
GdkColor m_color;
GdkColormap *m_colormap;
bool m_hasPixel;
-
- friend class wxColour;
-
- // reference counter for systems with <= 8-Bit display
- static gushort colMapAllocCounter[ 256 ];
-};
-
-gushort wxColourRefData::colMapAllocCounter[ 256 ] =
-{
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
};
-wxColourRefData::wxColourRefData()
-{
- m_color.red = 0;
- m_color.green = 0;
- m_color.blue = 0;
- m_color.pixel = 0;
- m_colormap = (GdkColormap *) NULL;
- m_hasPixel = FALSE;
-}
-
-wxColourRefData::~wxColourRefData()
-{
- FreeColour();
-}
-
void wxColourRefData::FreeColour()
{
- if (m_colormap)
+ if (m_hasPixel)
{
-#ifdef __WXGTK20__
- if ((m_colormap->visual->type == GDK_VISUAL_GRAYSCALE) ||
- (m_colormap->visual->type == GDK_VISUAL_PSEUDO_COLOR))
-#else
- GdkColormapPrivate *private_colormap = (GdkColormapPrivate*) m_colormap;
- if ((private_colormap->visual->type == GDK_VISUAL_GRAYSCALE) ||
- (private_colormap->visual->type == GDK_VISUAL_PSEUDO_COLOR))
-#endif
- {
- int idx = m_color.pixel;
- colMapAllocCounter[ idx ] = colMapAllocCounter[ idx ] - 1;
-
- if (colMapAllocCounter[ idx ] == 0)
- gdk_colormap_free_colors( m_colormap, &m_color, 1 );
- }
+ gdk_colormap_free_colors(m_colormap, &m_color, 1);
}
}
return;
FreeColour();
-
-#ifdef __WXGTK20__
- if ((m_colormap->visual->type == GDK_VISUAL_GRAYSCALE) ||
- (m_colormap->visual->type == GDK_VISUAL_PSEUDO_COLOR))
-#else
- GdkColormapPrivate *private_colormap = (GdkColormapPrivate*) cmap;
- if ((private_colormap->visual->type == GDK_VISUAL_GRAYSCALE) ||
- (private_colormap->visual->type == GDK_VISUAL_PSEUDO_COLOR))
-#endif
- {
- m_hasPixel = gdk_colormap_alloc_color( cmap, &m_color, FALSE, TRUE );
- int idx = m_color.pixel;
- colMapAllocCounter[ idx ] = colMapAllocCounter[ idx ] + 1;
- }
- else
- {
- m_hasPixel = gdk_color_alloc( cmap, &m_color );
- }
+
+ 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()
-{
-}
-
wxColour::wxColour( unsigned char red, unsigned char green, unsigned char blue )
{
- m_refData = new wxColourRefData();
+ 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;
}
+/* static */
+wxColour wxColour::CreateByName(const wxString& name)
+{
+ wxColour col;
+
+ GdkColor colGDK;
+ if ( gdk_color_parse( wxGTK_CONV( name ), &colGDK ) )
+ {
+ wxColourRefData *refData = new wxColourRefData;
+ refData->m_color = colGDK;
+ col.m_refData = refData;
+ }
+
+ return col;
+}
+
+
void wxColour::InitFromName( const wxString &colourName )
{
- wxNode *node = (wxNode *) NULL;
- if ( (wxTheColourDatabase) && (node = wxTheColourDatabase->Find(colourName)) )
+ // check the cache first
+ if ( wxTheColourDatabase )
{
- wxColour *col = (wxColour*)node->Data();
- UnRef();
- if (col) Ref( *col );
+ *this = wxTheColourDatabase->Find(colourName);
}
- else
+
+ if ( !Ok() )
{
- m_refData = new wxColourRefData();
- if (!gdk_color_parse( colourName.mb_str(), &M_COLDATA->m_color ))
- {
- // VZ: asserts are good in general but this one is triggered by
- // calling wxColourDatabase::FindColour() with an
- // unrecognized colour name and this can't be avoided from the
- // user code, so don't give it here
- //
- // a better solution would be to changed code in FindColour()
-
- //wxFAIL_MSG( wxT("wxColour: couldn't find colour") );
-
- delete m_refData;
- m_refData = (wxObjectRefData *) NULL;
- }
+ *this = CreateByName(colourName);
}
-}
-wxColour::wxColour( const wxColour& col )
-{
- Ref( col );
+ if ( !Ok() )
+ {
+ wxFAIL_MSG( wxT("wxColour: couldn't find colour") );
+ }
}
wxColour::~wxColour()
{
}
-wxColour& wxColour::operator = ( const wxColour& col )
-{
- if (*this == col) return (*this);
- Ref( col );
- return *this;
-}
-
bool wxColour::operator == ( const wxColour& col ) const
{
- if (m_refData == col.m_refData) return TRUE;
+ if (m_refData == col.m_refData)
+ return true;
- if (!m_refData) return FALSE;
- if (!col.m_refData) return FALSE;
+ if (!m_refData || !col.m_refData)
+ return false;
- GdkColor *own = &(((wxColourRefData*)m_refData)->m_color);
- GdkColor *other = &(((wxColourRefData*)col.m_refData)->m_color);
- if (own->red != other->red) return FALSE;
- if (own->blue != other->blue) return FALSE;
- if (own->green != other->green) return FALSE;
+ 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;
+}
- return TRUE;
+wxObjectRefData *wxColour::CreateRefData() const
+{
+ return new wxColourRefData;
}
-bool wxColour::operator != ( const wxColour& col) const
+wxObjectRefData *wxColour::CloneRefData(const wxObjectRefData *data) const
{
- return !(*this == col);
+ return new wxColourRefData(*(wxColourRefData *)data);
}
void wxColour::Set( unsigned char red, unsigned char green, unsigned char blue )
{
- UnRef();
- m_refData = new wxColourRefData();
+ AllocExclusive();
+
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;
+
+ M_COLDATA->m_colormap = NULL;
+ M_COLDATA->m_hasPixel = false;
}
unsigned char wxColour::Red() const
return (unsigned char)(M_COLDATA->m_color.blue >> SHIFT);
}
-bool wxColour::Ok() const
-{
- return (m_refData != NULL);
-}
-
void wxColour::CalcPixel( GdkColormap *cmap )
{
if (!Ok()) return;
GdkColor *wxColour::GetColor() const
{
- wxCHECK_MSG( Ok(), (GdkColor *) NULL, wxT("invalid colour") );
+ wxCHECK_MSG( Ok(), NULL, wxT("invalid colour") );
return &M_COLDATA->m_color;
}
-
-
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