diff options
Diffstat (limited to 'svgio/inc/svgtools.hxx')
| -rw-r--r-- | svgio/inc/svgtools.hxx | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/svgio/inc/svgtools.hxx b/svgio/inc/svgtools.hxx new file mode 100644 index 0000000000..6dc882b6af --- /dev/null +++ b/svgio/inc/svgtools.hxx @@ -0,0 +1,137 @@ +/* -*- 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/color/bcolor.hxx> +#include <basegfx/range/b2drange.hxx> +#include <basegfx/vector/b2ivector.hxx> +#include <rtl/ustrbuf.hxx> +#include "svgpaint.hxx" +#include "SvgNumber.hxx" + +#include <string_view> +#include <vector> + + +namespace svgio::svgreader + { + // common non-token strings + struct commonStrings + { + static constexpr OUString aStrUserSpaceOnUse = u"userSpaceOnUse"_ustr; + static constexpr OUString aStrObjectBoundingBox = u"objectBoundingBox"_ustr; + static constexpr OUString aStrNonzero = u"nonzero"_ustr; + static constexpr OUString aStrEvenOdd = u"evenodd"_ustr; + }; + + enum class SvgUnits + { + userSpaceOnUse, + objectBoundingBox + }; + + enum class SvgAlign + { + none, + xMinYMin, + xMidYMin, + xMaxYMin, + xMinYMid, + xMidYMid, // default + xMaxYMid, + xMinYMax, + xMidYMax, + xMaxYMax + }; + + class SvgAspectRatio + { + private: + SvgAlign maSvgAlign; + + bool mbMeetOrSlice : 1; // true = meet (default), false = slice + bool mbSet : 1; + + public: + SvgAspectRatio() + : maSvgAlign(SvgAlign::xMidYMid), + mbMeetOrSlice(true), + mbSet(false) + { + } + + SvgAspectRatio(SvgAlign aSvgAlign, bool bMeetOrSlice) + : maSvgAlign(aSvgAlign), + mbMeetOrSlice(bMeetOrSlice), + mbSet(true) + { + } + + /// data read access + SvgAlign getSvgAlign() const { return maSvgAlign; } + bool isMeetOrSlice() const { return mbMeetOrSlice; } + bool isSet() const { return mbSet; } + + /// tooling + static basegfx::B2DHomMatrix createLinearMapping(const basegfx::B2DRange& rTarget, const basegfx::B2DRange& rSource); + basegfx::B2DHomMatrix createMapping(const basegfx::B2DRange& rTarget, const basegfx::B2DRange& rSource) const; + }; + + void skip_char(std::u16string_view rCandidate, sal_Unicode aChar, sal_Int32& nPos, const sal_Int32 nLen); + void skip_char(std::u16string_view rCandidate, sal_Unicode aCharA, sal_Unicode nCharB, sal_Int32& nPos, const sal_Int32 nLen); + void copySign(std::u16string_view rCandidate, sal_Int32& nPos, OUStringBuffer& rTarget, const sal_Int32 nLen); + void copyNumber(std::u16string_view rCandidate, sal_Int32& nPos, OUStringBuffer& rTarget, const sal_Int32 nLen); + void copyHex(std::u16string_view rCandidate, sal_Int32& nPos, OUStringBuffer& rTarget, const sal_Int32 nLen); + void copyString(std::u16string_view rCandidate, sal_Int32& nPos, OUStringBuffer& rTarget, const sal_Int32 nLen); + void copyToLimiter(std::u16string_view rCandidate, sal_Unicode aLimiter, sal_Int32& nPos, OUStringBuffer& rTarget, const sal_Int32 nLen); + bool readNumber(std::u16string_view rCandidate, sal_Int32& nPos, double& fNum, const sal_Int32 nLen); + SvgUnit readUnit(std::u16string_view rCandidate, sal_Int32& nPos, const sal_Int32 nLen); + bool readNumberAndUnit(std::u16string_view rCandidate, sal_Int32& nPos, SvgNumber& aNum, const sal_Int32 nLen); + bool readAngle(std::u16string_view rCandidate, sal_Int32& nPos, double& fAngle, const sal_Int32 nLen); + sal_Int32 read_hex(sal_Unicode aChar); + bool match_colorKeyword(basegfx::BColor& rColor, const OUString& rName); + bool read_color(const OUString& rCandidate, basegfx::BColor& rColor, SvgNumber& rOpacity); + basegfx::B2DRange readViewBox(std::u16string_view rCandidate, InfoProvider const & rInfoProvider); + std::vector<double> readFilterMatrix(std::u16string_view rCandidate, InfoProvider const & rInfoProvider); + basegfx::B2DHomMatrix readTransform(std::u16string_view rCandidate, InfoProvider const & rInfoProvider); + bool readSingleNumber(std::u16string_view rCandidate, SvgNumber& aNum); + bool readLocalLink(std::u16string_view rCandidate, OUString& rURL); + bool readLocalUrl(const OUString& rCandidate, OUString& rURL); + bool readSvgPaint(const OUString& rCandidate, SvgPaint& rSvgPaint, OUString& rURL, SvgNumber& rOpacity); + + bool readSvgNumberVector(std::u16string_view rCandidate, SvgNumberVector& rSvgNumberVector); + ::std::vector< double > solveSvgNumberVector(const SvgNumberVector& rInput, const InfoProvider& rInfoProvider); + + SvgAspectRatio readSvgAspectRatio(std::u16string_view rCandidate); + + typedef ::std::vector< OUString > SvgStringVector; + bool readSvgStringVector(std::u16string_view rCandidate, SvgStringVector& rSvgStringVector); + + void readImageLink(const OUString& rCandidate, OUString& rXLink, OUString& rUrl, OUString& rData); + + OUString consolidateContiguousSpace(const OUString& rCandidate); + + // #125325# removes block comment of the general form '/* ... */', returns + // an adapted string or the original if no comments included + OUString removeBlockComments(const OUString& rCandidate); + +} // end of namespace svgio::svgreader + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |