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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 <basegfx/range/b2drange.hxx>
+#include <vector>
+
+namespace svgio::svgreader
+{
+
+enum class NumberType
+{
+ xcoordinate,
+ ycoordinate,
+ length
+};
+
+class InfoProvider
+{
+public:
+ virtual ~InfoProvider() {}
+ virtual basegfx::B2DRange getCurrentViewPort() const = 0;
+ /// return font size of node inherited from parents
+ virtual double getCurrentFontSizeInherited() const = 0;
+ /// return xheight of node inherited from parents
+ virtual double getCurrentXHeightInherited() const = 0;
+};
+
+enum class SvgUnit
+{
+ em = 0, // relative to current font size
+ ex, // relative to current x-height
+
+ px, // 'user unit'
+ pt, // points, 1/72 in
+ pc, // 1/6 in
+ cm,
+ mm,
+ in,
+
+ percent, // relative to range
+ none // for stroke-miterlimit, which has no unit
+};
+
+class SvgNumber
+{
+private:
+ double mfNumber;
+ SvgUnit meUnit;
+
+ bool mbSet : 1;
+
+public:
+ SvgNumber()
+ : mfNumber(0.0),
+ meUnit(SvgUnit::px),
+ mbSet(false)
+ {
+ }
+
+ SvgNumber(double fNum, SvgUnit aSvgUnit = SvgUnit::px, bool bSet = true)
+ : mfNumber(fNum),
+ meUnit(aSvgUnit),
+ mbSet(bSet)
+ {
+ }
+
+ double getNumber() const
+ {
+ return mfNumber;
+ }
+
+ SvgUnit getUnit() const
+ {
+ return meUnit;
+ }
+
+ bool isSet() const
+ {
+ return mbSet;
+ }
+
+ bool isPositive() const
+ {
+ return basegfx::fTools::moreOrEqual(mfNumber, 0.0);
+ }
+
+ // Only usable in cases, when the unit is not SvgUnit::percent, otherwise use method solve
+ double solveNonPercentage(const InfoProvider& rInfoProvider) const;
+
+ double solve(const InfoProvider& rInfoProvider, NumberType aNumberType = NumberType::length) const;
+};
+
+typedef std::vector<SvgNumber> SvgNumberVector;
+
+} // end of namespace svgio::svgreader
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */