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/* -*- 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 .
*/
#ifndef INCLUDED_CHART2_SOURCE_INC_RELATIVEPOSITIONHELPER_HXX
#define INCLUDED_CHART2_SOURCE_INC_RELATIVEPOSITIONHELPER_HXX
#include <com/sun/star/chart2/RelativePosition.hpp>
#include <com/sun/star/chart2/RelativeSize.hpp>
#include <com/sun/star/drawing/Alignment.hpp>
#include <com/sun/star/awt/Point.hpp>
#include <com/sun/star/awt/Size.hpp>
#include "charttoolsdllapi.hxx"
namespace chart
{
/**
*/
class OOO_DLLPUBLIC_CHARTTOOLS RelativePositionHelper
{
public:
/** returns the upper left corner of an object that has size aObjectSize and
where the point indicated by aAnchor has coordinates indicated by aPoint
( e.g. if aAnchor equals BOTTOM_LEFT, aPoint describes the
coordinates of the bottom left corner of an object with size aObjectSize )
*/
static ::com::sun::star::awt::Point
getUpperLeftCornerOfAnchoredObject(
::com::sun::star::awt::Point aPoint,
::com::sun::star::awt::Size aObjectSize,
::com::sun::star::drawing::Alignment aAnchor );
/** returns the center of an object that has size aObjectSize and
where the point indicated by aAnchor has coordinates indicated by aPoint
( e.g. if aAnchor equals BOTTOM_LEFT, aPoint describes the
coordinates of the bottom left corner of an object with size aObjectSize )
*/
static ::com::sun::star::awt::Point
getCenterOfAnchoredObject(
::com::sun::star::awt::Point aPoint,
::com::sun::star::awt::Size aUnrotatedObjectSize,
::com::sun::star::drawing::Alignment aAnchor,
double fAnglePi );
/** Returns a relative position that is the same point after the anchor has
been changed to the given one. The passed object size is taken into
account for shifting the position.
*/
SAL_DLLPRIVATE static ::com::sun::star::chart2::RelativePosition
getReanchoredPosition(
const ::com::sun::star::chart2::RelativePosition & rPosition,
const ::com::sun::star::chart2::RelativeSize & rObjectSize,
::com::sun::star::drawing::Alignment aNewAnchor );
/** grows a relative size about the given amount and shifts the given
position such that the resize is relative to the former rectangle's
center.
@param bCheck If </sal_True>, the resize is only done, if after
transformation, the position and size are within the bounds [0,1].
@return </sal_True>, if changes were applied.
<p>That means, if the position's alignment is center, the position will
not change at all.</p>
*/
static bool centerGrow(
::com::sun::star::chart2::RelativePosition & rInOutPosition,
::com::sun::star::chart2::RelativeSize & rInOutSize,
double fAmountX, double fAmountY,
bool bCheck = true );
/** shifts a relative position about the given amount
@param bCheck If </sal_True>, the shift is only done, if after
transformation, the object represented by the position
rInOutPosition and its size rObjectSize the position and size are
within the bounds [0,1].
@return </sal_True>, if changes were applied.
*/
static bool moveObject(
::com::sun::star::chart2::RelativePosition & rInOutPosition,
const ::com::sun::star::chart2::RelativeSize & rObjectSize,
double fAmountX, double fAmountY,
bool bCheck = true );
};
} //namespace chart
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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