d5cf34f4dc
copy which caused an assert in AllocExclusive (Add to Custom Colours in Colour Dialog) git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@14564 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
292 lines
8.2 KiB
C++
292 lines
8.2 KiB
C++
/////////////////////////////////////////////////////////////////////////////
|
|
// Name: colour.cpp
|
|
// Purpose: wxColour class
|
|
// Author: Julian Smart, Robert Roebling
|
|
// Modified by:
|
|
// Created: 17/09/98
|
|
// RCS-ID: $Id$
|
|
// Copyright: (c) Julian Smart, Robert Roebling
|
|
// Licence: wxWindows licence
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
|
|
|
|
#ifdef __GNUG__
|
|
#pragma implementation "colour.h"
|
|
#endif
|
|
|
|
#include "wx/gdicmn.h"
|
|
#include "wx/app.h"
|
|
|
|
#include "wx/x11/private.h"
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// wxColour
|
|
//-----------------------------------------------------------------------------
|
|
|
|
class wxColourRefData: public wxObjectRefData
|
|
{
|
|
public:
|
|
wxColourRefData()
|
|
{
|
|
m_color.red = 0;
|
|
m_color.green = 0;
|
|
m_color.blue = 0;
|
|
m_color.pixel = 0;
|
|
m_colormap = (WXColormap *) 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();
|
|
}
|
|
|
|
bool operator == (const wxColourRefData& data) const
|
|
{
|
|
return (m_colormap == data.m_colormap &&
|
|
m_hasPixel == data.m_hasPixel &&
|
|
m_color.red == data.m_color.red &&
|
|
m_color.green == data.m_color.green &&
|
|
m_color.blue == data.m_color.blue &&
|
|
m_color.pixel == data.m_color.pixel);
|
|
}
|
|
|
|
void FreeColour();
|
|
void AllocColour( WXColormap cmap );
|
|
|
|
XColor m_color;
|
|
WXColormap m_colormap;
|
|
bool m_hasPixel;
|
|
|
|
friend class wxColour;
|
|
|
|
// reference counter for systems with <= 8-Bit display
|
|
static unsigned short colMapAllocCounter[ 256 ];
|
|
};
|
|
|
|
unsigned short 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
|
|
};
|
|
|
|
void wxColourRefData::FreeColour()
|
|
{
|
|
#if 0
|
|
if (m_colormap)
|
|
{
|
|
Colormap cm = (Colormap)m_colormap;
|
|
|
|
GdkColormapPrivate *private_colormap = (GdkColormapPrivate*) m_colormap;
|
|
if ((private_colormap->visual->type == GDK_VISUAL_GRAYSCALE) ||
|
|
(private_colormap->visual->type == GDK_VISUAL_PSEUDO_COLOR))
|
|
{
|
|
int idx = m_color.pixel;
|
|
colMapAllocCounter[ idx ] = colMapAllocCounter[ idx ] - 1;
|
|
|
|
if (colMapAllocCounter[ idx ] == 0)
|
|
gdk_colormap_free_colors( m_colormap, &m_color, 1 );
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
|
|
void wxColourRefData::AllocColour( WXColormap cmap )
|
|
{
|
|
if (m_hasPixel && (m_colormap == cmap))
|
|
return;
|
|
|
|
FreeColour();
|
|
|
|
#if 0
|
|
GdkColormapPrivate *private_colormap = (GdkColormapPrivate*) cmap;
|
|
if ((private_colormap->visual->type == GDK_VISUAL_GRAYSCALE) ||
|
|
(private_colormap->visual->type == GDK_VISUAL_PSEUDO_COLOR))
|
|
{
|
|
m_hasPixel = gdk_colormap_alloc_color( cmap, &m_color, FALSE, TRUE );
|
|
int idx = m_color.pixel;
|
|
colMapAllocCounter[ idx ] = colMapAllocCounter[ idx ] + 1;
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
m_hasPixel = XAllocColor( wxGlobalDisplay(), (Colormap) cmap, &m_color );
|
|
}
|
|
m_colormap = cmap;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
|
|
#define M_COLDATA ((wxColourRefData *)m_refData)
|
|
|
|
#define SHIFT (8*(sizeof(short int)-sizeof(char)))
|
|
|
|
IMPLEMENT_DYNAMIC_CLASS(wxColour,wxGDIObject)
|
|
|
|
wxColour::wxColour( unsigned char red, unsigned char green, unsigned char blue )
|
|
{
|
|
m_refData = new wxColourRefData();
|
|
#if wxUSE_NANOX
|
|
M_COLDATA->m_color.red = ((unsigned short)red) ;
|
|
M_COLDATA->m_color.green = ((unsigned short)green) ;
|
|
M_COLDATA->m_color.blue = ((unsigned short)blue) ;
|
|
#else
|
|
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;
|
|
#endif
|
|
M_COLDATA->m_color.pixel = 0;
|
|
}
|
|
|
|
void wxColour::InitFromName( const wxString &colourName )
|
|
{
|
|
wxNode *node = (wxNode *) NULL;
|
|
if ( (wxTheColourDatabase) && (node = wxTheColourDatabase->Find(colourName)) )
|
|
{
|
|
wxColour *col = (wxColour*)node->Data();
|
|
UnRef();
|
|
if (col) Ref( *col );
|
|
}
|
|
else
|
|
{
|
|
m_refData = new wxColourRefData();
|
|
|
|
M_COLDATA->m_colormap = wxTheApp->GetMainColormap( wxGlobalDisplay() );
|
|
|
|
if (!XParseColor( wxGlobalDisplay(), (Colormap) M_COLDATA->m_colormap, 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;
|
|
}
|
|
}
|
|
}
|
|
|
|
wxColour::~wxColour()
|
|
{
|
|
}
|
|
|
|
bool wxColour::operator == ( const wxColour& col ) const
|
|
{
|
|
if (m_refData == col.m_refData) return TRUE;
|
|
|
|
if (!m_refData || !col.m_refData) return FALSE;
|
|
|
|
XColor *own = &(((wxColourRefData*)m_refData)->m_color);
|
|
XColor *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;
|
|
}
|
|
|
|
wxObjectRefData *wxColour::CreateRefData() const
|
|
{
|
|
return new wxColourRefData;
|
|
}
|
|
|
|
wxObjectRefData *wxColour::CloneRefData(const wxObjectRefData *data) const
|
|
{
|
|
return new wxColourRefData(*(wxColourRefData *)data);
|
|
}
|
|
|
|
void wxColour::Set( unsigned char red, unsigned char green, unsigned char blue )
|
|
{
|
|
AllocExclusive();
|
|
|
|
m_refData = new wxColourRefData();
|
|
#if wxUSE_NANOX
|
|
M_COLDATA->m_color.red = ((unsigned short)red) ;
|
|
M_COLDATA->m_color.green = ((unsigned short)green) ;
|
|
M_COLDATA->m_color.blue = ((unsigned short)blue) ;
|
|
#else
|
|
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;
|
|
#endif
|
|
M_COLDATA->m_color.pixel = 0;
|
|
}
|
|
|
|
unsigned char wxColour::Red() const
|
|
{
|
|
wxCHECK_MSG( Ok(), 0, wxT("invalid colour") );
|
|
|
|
#if wxUSE_NANOX
|
|
return (unsigned char) M_COLDATA->m_color.red ;
|
|
#else
|
|
return (unsigned char)(M_COLDATA->m_color.red >> SHIFT);
|
|
#endif
|
|
}
|
|
|
|
unsigned char wxColour::Green() const
|
|
{
|
|
wxCHECK_MSG( Ok(), 0, wxT("invalid colour") );
|
|
|
|
#if wxUSE_NANOX
|
|
return (unsigned char) M_COLDATA->m_color.green ;
|
|
#else
|
|
return (unsigned char)(M_COLDATA->m_color.green >> SHIFT);
|
|
#endif
|
|
}
|
|
|
|
unsigned char wxColour::Blue() const
|
|
{
|
|
wxCHECK_MSG( Ok(), 0, wxT("invalid colour") );
|
|
|
|
#if wxUSE_NANOX
|
|
return (unsigned char) M_COLDATA->m_color.blue ;
|
|
#else
|
|
return (unsigned char)(M_COLDATA->m_color.blue >> SHIFT);
|
|
#endif
|
|
}
|
|
|
|
void wxColour::CalcPixel( WXColormap cmap )
|
|
{
|
|
wxCHECK_RET( Ok(), wxT("invalid colour") );
|
|
|
|
wxCHECK_RET( cmap, wxT("invalid colormap") );
|
|
|
|
M_COLDATA->AllocColour( cmap );
|
|
}
|
|
|
|
unsigned long wxColour::GetPixel() const
|
|
{
|
|
wxCHECK_MSG( Ok(), 0, wxT("invalid colour") );
|
|
|
|
return M_COLDATA->m_color.pixel;
|
|
}
|
|
|
|
WXColor *wxColour::GetColor() const
|
|
{
|
|
wxCHECK_MSG( Ok(), (WXColor *) NULL, wxT("invalid colour") );
|
|
|
|
return (WXColor*) &M_COLDATA->m_color;
|
|
}
|