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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_svx.hxx"
#include "DGColorNameLookUp.hxx"
#include <com/sun/star/container/XNameContainer.hpp>
#include <com/sun/star/container/XNameAccess.hpp>
#include <com/sun/star/lang/XMultiServiceFactory.hpp>
#include <comphelper/processfactory.hxx>
#include <osl/mutex.hxx>
#include <vcl/svapp.hxx>
using ::rtl::OUString;
using namespace ::com::sun::star;
namespace accessibility {
namespace
{
class theDGColorNameLookUp
: public rtl::Static< DGColorNameLookUp, theDGColorNameLookUp >
{
};
}
DGColorNameLookUp& DGColorNameLookUp::Instance()
{
return theDGColorNameLookUp::get();
}
OUString DGColorNameLookUp::LookUpColor (long int nColor) const
{
OUString sColorName;
tColorValueToNameMap::const_iterator I;
I = maColorValueToNameMap.find (nColor);
if (I != maColorValueToNameMap.end())
// Found the color value. Return the associated name.
sColorName = I->second;
else
{
// Did not find the given color. Append its rgb tuple to the
// description.
::rtl::OUStringBuffer sNameBuffer;
sNameBuffer.append (sal_Unicode('#'));
sNameBuffer.append (nColor, 16);
sColorName = sNameBuffer.makeStringAndClear();
}
return sColorName;
}
DGColorNameLookUp::DGColorNameLookUp()
{
uno::Sequence<OUString> aNames;
uno::Reference<container::XNameAccess> xNA;
try
{
// Create color table in which to look up the given color.
uno::Reference<container::XNameContainer> xColorTable (
::comphelper::getProcessServiceFactory()->createInstance(
OUString(RTL_CONSTASCII_USTRINGPARAM("com.sun.star.drawing.ColorTable")) ),
uno::UNO_QUERY);
// Get list of color names in order to iterate over the color table.
xNA = uno::Reference<container::XNameAccess>(xColorTable, uno::UNO_QUERY);
if (xNA.is())
{
// Look the solar mutex here as workarround for missing lock in
// called function.
SolarMutexGuard aGuard;
aNames = xNA->getElementNames();
}
}
catch (uno::RuntimeException const&)
{
// When an exception occurred then whe have an empty name sequence
// and the loop below is not entered.
}
// Fill the map to convert from numerical color values to names.
if (xNA.is())
for (long int i=0; i<aNames.getLength(); i++)
{
// Get the numerical value for the i-th color name.
try
{
uno::Any aColor (xNA->getByName (aNames[i]));
long nColor = 0;
aColor >>= nColor;
maColorValueToNameMap[nColor] = aNames[i];
}
catch (uno::RuntimeException const&)
{
// Ignore the exception: the color who lead to the exception
// is not included into the map.
}
}
}
DGColorNameLookUp::~DGColorNameLookUp()
{
maColorValueToNameMap.clear();
}
} // end of namespace accessibility
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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