/* -*- 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
namespace basegfx::utils
{ /** Generic linear interpolator
@tpl ValueType Must have operator+ and operator* defined, and should have value semantics.
@param t As usual, t must be in the [0,1] range
*/ template< typename ValueType > ValueType lerp( const ValueType& rFrom, const ValueType& rTo, double t )
{ // This is only to suppress a double->int warning. All other // types should be okay here. returnstatic_cast<ValueType>( (1.0-t)*rFrom + t*rTo );
}
}
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