0d62ee66d6
Change-Id: I05c7d59000ac7f14a5d34ed30273379f6fc31677 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/114955 Tested-by: Tomaž Vajngerl <quikee@gmail.com> Reviewed-by: Tomaž Vajngerl <quikee@gmail.com>
118 lines
3 KiB
C++
118 lines
3 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#pragma once
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#include <basegfx/range/b2drange.hxx>
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#include <vector>
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namespace svgio::svgreader
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{
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// recommended value for this device dependent unit, see CSS2 section 4.3.2 Lengths
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constexpr const double F_SVG_PIXEL_PER_INCH = 96.0;
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enum class NumberType
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{
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xcoordinate,
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ycoordinate,
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length
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};
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class InfoProvider
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{
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public:
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virtual ~InfoProvider() {}
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virtual basegfx::B2DRange getCurrentViewPort() const = 0;
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/// return font size of node inherited from parents
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virtual double getCurrentFontSizeInherited() const = 0;
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/// return xheight of node inherited from parents
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virtual double getCurrentXHeightInherited() const = 0;
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};
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enum class SvgUnit
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{
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em = 0, // relative to current font size
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ex, // relative to current x-height
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px, // 'user unit'
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pt, // points, 1.25 px
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pc, // 15.0 px
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cm, // 35.43307 px
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mm, // 3.543307 px
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in, // 90 px
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percent, // relative to range
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none // for stroke-miterlimit, which has no unit
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};
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class SvgNumber
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{
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private:
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double mfNumber;
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SvgUnit meUnit;
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bool mbSet : 1;
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public:
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SvgNumber()
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: mfNumber(0.0),
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meUnit(SvgUnit::px),
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mbSet(false)
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{
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}
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SvgNumber(double fNum, SvgUnit aSvgUnit = SvgUnit::px, bool bSet = true)
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: mfNumber(fNum),
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meUnit(aSvgUnit),
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mbSet(bSet)
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{
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}
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double getNumber() const
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{
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return mfNumber;
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}
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SvgUnit getUnit() const
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{
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return meUnit;
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}
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bool isSet() const
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{
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return mbSet;
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}
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bool isPositive() const
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{
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return basegfx::fTools::moreOrEqual(mfNumber, 0.0);
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}
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// Only usable in cases, when the unit is not SvgUnit::percent, otherwise use method solve
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double solveNonPercentage(const InfoProvider& rInfoProvider) const;
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double solve(const InfoProvider& rInfoProvider, NumberType aNumberType = NumberType::length) const;
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};
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typedef std::vector<SvgNumber> SvgNumberVector;
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} // end of namespace svgio::svgreader
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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