/* -*- 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 "LabelPositionHelper.hxx"
#include <com/sun/star/awt/Point.hpp>
namespace chart
{
class PolarPlottingPositionHelper;
class PolarLabelPositionHelper final : public LabelPositionHelper
{
public :
PolarLabelPositionHelper(
PolarPlottingPositionHelper* pPosHelper
, sal_Int32 nDimensionCount
, const rtl::Reference<SvxShapeGroupAnyD>& xLogicTarget );
virtual ~PolarLabelPositionHelper() override;
css::awt::Point getLabelScreenPositionAndAlignmentForLogicValues(
LabelAlignment& rAlignment
, double fLogicValueOnAngleAxis
, double fLogicValueOnRadiusAxis
, double fLogicZ
, sal_Int32 nScreenValueOffsetInRadiusDirection ) const ;
/** Calculate the anchor point position for a text label.
* When the requested label placement is of ` INSIDE ` or ` OUTSIDE ` type the
* returned anchor point for the text label is the middle point of the
* outer arc for the given slice ; when the requested label placement is of
* ` CENTER ` type the returned anchor point for the text label is the
* middle point of the line segment bisecting the slice .
* The text alignment is always centered when the requested label
* placement is of ` CENTER ` type else it is dependent on the value of the
* angle defined by the horizontal axis and the ray bisecting the slice .
*
*/
css::awt::Point getLabelScreenPositionAndAlignmentForUnitCircleValues(
LabelAlignment& rAlignment, sal_Int32 nLabelPlacement /*see css::chart::DataLabelPlacement*/
, double fUnitCircleStartAngleDegree, double fUnitCircleWidthAngleDegree
, double fUnitCircleInnerRadius, double fUnitCircleOuterRadius
, double fLogicZ
, sal_Int32 nScreenValueOffsetInRadiusDirection
, const ::basegfx::B3DVector& aOffset = ::basegfx::B3DVector()) const ;
private :
PolarPlottingPositionHelper* m_pPosHelper;
};
} //namespace chart
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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