keystoplerp.hxx

Go to the documentation of this file.

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */
 
#pragma once
 
#include <vector>
#include <basegfx/basegfxdllapi.h>
 
namespace com::sun::star::uno {
    template<typename T> class Sequence;
}
 
namespace basegfx::utils
{
        class BASEGFX_DLLPUBLIC KeyStopLerp
        {
        public:
            typedef std::pair<std::ptrdiff_t,double> ResultType;
 
            explicit KeyStopLerp( std::vector<double>&& rKeyStops );
 
            explicit KeyStopLerp( const css::uno::Sequence<double>& rKeyStops );
 
            ResultType lerp(double fAlpha) const;
 
        private:
            std::vector<double>    maKeyStops;
            mutable std::ptrdiff_t mnLastIndex;
        };
}
 
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */