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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, either set here or inherited from parents
virtual double getCurrentFontSize() 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: */
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