/////////////////////////////////////////////////////////////////////////////
-// 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/colour.h"
#include "wx/gdicmn.h"
#include "wx/gtk/private.h"
m_color.blue = 0;
m_color.pixel = 0;
m_colormap = (GdkColormap *) NULL;
- m_hasPixel = FALSE;
+ m_hasPixel = false;
}
-
+
wxColourRefData(const wxColourRefData& data)
: wxObjectRefData()
{
m_color.blue == data.m_color.blue &&
m_color.pixel == data.m_color.pixel);
}
-
+
void FreeColour();
void AllocColour( GdkColormap* cmap );
static gushort colMapAllocCounter[ 256 ];
};
-gushort wxColourRefData::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,
{
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 ( (cmap->visual->type == GDK_VISUAL_GRAYSCALE) ||
- (cmap->visual->type == GDK_VISUAL_PSEUDO_COLOR) )
+ (cmap->visual->type == GDK_VISUAL_PSEUDO_COLOR) )
#else
GdkColormapPrivate *private_colormap = (GdkColormapPrivate*) cmap;
if ((private_colormap->visual->type == GDK_VISUAL_GRAYSCALE) ||
#define M_COLDATA ((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)
M_COLDATA->m_color.pixel = 0;
}
-void wxColour::InitFromName( const wxString &colourName )
+/* static */
+wxColour wxColour::CreateByName(const wxString& name)
{
- wxNode *node = (wxNode *) NULL;
- if ( (wxTheColourDatabase) && (node = wxTheColourDatabase->Find(colourName)) )
+ wxColour col;
+
+ GdkColor colGDK;
+ if ( gdk_color_parse( wxGTK_CONV( name ), &colGDK ) )
{
- wxColour *col = (wxColour*)node->Data();
- UnRef();
- if (col) Ref( *col );
+ wxColourRefData *refData = new wxColourRefData;
+ refData->m_color = colGDK;
+ col.m_refData = refData;
}
- else
+
+ return col;
+}
+
+
+void wxColour::InitFromName( const wxString &colourName )
+{
+ // check the cache first
+ wxColour col;
+ if ( wxTheColourDatabase )
{
- m_refData = new wxColourRefData();
-
- if (!gdk_color_parse( wxGTK_CONV( colourName ), &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()
+ col = wxTheColourDatabase->Find(colourName);
+ }
- //wxFAIL_MSG( wxT("wxColour: couldn't find colour") );
+ if ( !col.Ok() )
+ {
+ col = CreateByName(colourName);
+ }
- delete m_refData;
- m_refData = (wxObjectRefData *) NULL;
- }
+ if ( col.Ok() )
+ {
+ *this = col;
+ }
+ else
+ {
+ wxFAIL_MSG( wxT("wxColour: couldn't find colour") );
}
}
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 || !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;
-
- return TRUE;
+ return own->red == other->red &&
+ own->blue == other->blue &&
+ own->green == other->green;
}
wxObjectRefData *wxColour::CreateRefData() const
void wxColour::Set( unsigned char red, unsigned char green, unsigned char blue )
{
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 = (GdkColormap*) NULL;
- M_COLDATA->m_hasPixel = FALSE;
+ M_COLDATA->m_hasPixel = false;
}
unsigned char wxColour::Red() const
return &M_COLDATA->m_color;
}
-
-