// 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
+// Id: $Id$
+// Copyright: (c) 1998 Robert Roebling
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#include "wx/gdicmn.h"
-#ifdef wxUSE_GDK_IMLIB
-#include "../gdk_imlib/gdk_imlib.h"
-#endif
+#include "gdk/gdkprivate.h"
//-----------------------------------------------------------------------------
// wxColour
class wxColourRefData: public wxObjectRefData
{
public:
-
+
wxColourRefData();
~wxColourRefData();
void FreeColour();
-
+
GdkColor m_color;
GdkColormap *m_colormap;
bool m_hasPixel;
-
+
friend wxColour;
};
{
}
-wxColour::wxColour( char red, char green, char blue )
+wxColour::wxColour( unsigned char red, unsigned char green, unsigned char blue )
{
m_refData = new wxColourRefData();
M_COLDATA->m_color.red = ((unsigned short)red) << SHIFT;
M_COLDATA->m_color.blue = ((unsigned short)blue) << SHIFT;
M_COLDATA->m_color.pixel = 0;
}
-
+
void wxColour::InitFromName( const wxString &colourName )
{
wxNode *node = (wxNode *) NULL;
- if ( (wxTheColourDatabase) && (node = wxTheColourDatabase->Find(colourName)) )
+ if ( (wxTheColourDatabase) && (node = wxTheColourDatabase->Find(colourName)) )
{
wxColour *col = (wxColour*)node->Data();
UnRef();
if (col) Ref( *col );
- }
- else
+ }
+ else
{
m_refData = new wxColourRefData();
if (!gdk_color_parse( colourName, &M_COLDATA->m_color ))
}
wxColour::wxColour( const wxColour& col )
-{
- Ref( col );
-}
-
-wxColour::wxColour( const wxColour* col )
-{
- if (col) Ref( *col );
+{
+ Ref( col );
}
wxColour::~wxColour()
{
}
-wxColour& wxColour::operator = ( const wxColour& col )
-{
- if (*this == col) return (*this);
- Ref( col );
- return *this;
+wxColour& wxColour::operator = ( const wxColour& col )
+{
+ if (*this == col) return (*this);
+ Ref( col );
+ 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;
}
-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 )
+void wxColour::Set( unsigned char red, unsigned char green, unsigned char blue )
{
UnRef();
m_refData = new wxColourRefData();
wxFAIL_MSG( "invalid colour" );
return 0;
}
-
+
return (unsigned char)(M_COLDATA->m_color.red >> SHIFT);
}
wxFAIL_MSG( "invalid colour" );
return 0;
}
-
+
return (unsigned char)(M_COLDATA->m_color.green >> SHIFT);
}
wxFAIL_MSG( "invalid colour" );
return 0;
}
-
+
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 wxUSE_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 );
+ GdkColormapPrivate *private_colormap = (GdkColormapPrivate*) cmap;
+ if ((private_colormap->visual->type == GDK_VISUAL_GRAYSCALE) ||
+ (private_colormap->visual->type == GDK_VISUAL_PSEUDO_COLOR))
+ {
+ GdkColor *colors = cmap->colors;
+ int max = 3 * (65536);
+ int index = -1;
-#else
+ for (int i = 0; i < cmap->size; i++)
+ {
+ int rdiff = (M_COLDATA->m_color.red - colors[i].red);
+ int gdiff = (M_COLDATA->m_color.green - colors[i].green);
+ int bdiff = (M_COLDATA->m_color.blue - colors[i].blue);
+ int sum = ABS (rdiff) + ABS (gdiff) + ABS (bdiff);
+ if (sum < max) { index = i; max = sum; }
+ }
+
+ M_COLDATA->m_hasPixel = TRUE;
+ M_COLDATA->m_color.pixel = index;
+ }
+ else
+ {
+ M_COLDATA->m_hasPixel = gdk_color_alloc( cmap, &M_COLDATA->m_color );
+ }
- M_COLDATA->m_hasPixel = gdk_color_alloc( cmap, &M_COLDATA->m_color );
-
-#endif
-
M_COLDATA->m_colormap = cmap;
}
int wxColour::GetPixel() const
{
if (!Ok()) return 0;
-
+
return M_COLDATA->m_color.pixel;
}
GdkColor *wxColour::GetColor() const
{
if (!Ok()) return (GdkColor *) NULL;
-
+
return &M_COLDATA->m_color;
}