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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/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 OUStringLiteral aStrUserSpaceOnUse = u"userSpaceOnUse";
static constexpr OUStringLiteral aStrObjectBoundingBox = u"objectBoundingBox";
static constexpr OUStringLiteral aStrNonzero = u"nonzero";
static constexpr OUStringLiteral aStrEvenOdd = u"evenodd";
};
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(const OUString& 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 bCaseIndependent);
bool read_color(const OUString& rCandidate, basegfx::BColor& rColor, bool bCaseIndependent, SvgNumber& rOpacity);
basegfx::B2DRange readViewBox(const OUString& rCandidate, InfoProvider const & rInfoProvider);
basegfx::B2DHomMatrix readTransform(const OUString& rCandidate, InfoProvider const & rInfoProvider);
bool readSingleNumber(const OUString& rCandidate, SvgNumber& aNum);
bool readLocalUrl(const OUString& rCandidate, OUString& rURL);
bool readSvgPaint(const OUString& rCandidate, SvgPaint& rSvgPaint, OUString& rURL, bool bCaseIndependent, SvgNumber& rOpacity);
bool readSvgNumberVector(const OUString& rCandidate, SvgNumberVector& rSvgNumberVector);
::std::vector< double > solveSvgNumberVector(const SvgNumberVector& rInput, const InfoProvider& rInfoProvider);
SvgAspectRatio readSvgAspectRatio(const OUString& rCandidate);
typedef ::std::vector< OUString > SvgStringVector;
bool readSvgStringVector(const OUString& rCandidate, SvgStringVector& rSvgStringVector);
void readImageLink(const OUString& rCandidate, OUString& rXLink, OUString& rUrl, OUString& rMimeType, OUString& rData);
OUString convert(const OUString& rCandidate, sal_Unicode nPattern, sal_Unicode nNew, bool bRemove);
OUString consolidateContiguousSpace(const OUString& rCandidate);
OUString whiteSpaceHandlingDefault(const OUString& rCandidate);
OUString whiteSpaceHandlingPreserve(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: */
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