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