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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
commited5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch)
tree7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /chart2/source/view/inc/PolarLabelPositionHelper.hxx
parentInitial commit. (diff)
downloadlibreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.tar.xz
libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.zip
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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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 .
+ */
+
+#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;
+
+private:
+ PolarPlottingPositionHelper* m_pPosHelper;
+};
+
+} //namespace chart
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */