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Diffstat (limited to 'svgio/inc/svgio/svgreader/svgtools.hxx')
| -rw-r--r-- | svgio/inc/svgio/svgreader/svgtools.hxx | 229 |
1 files changed, 229 insertions, 0 deletions
diff --git a/svgio/inc/svgio/svgreader/svgtools.hxx b/svgio/inc/svgio/svgreader/svgtools.hxx new file mode 100644 index 000000000000..5f9645e6d0cf --- /dev/null +++ b/svgio/inc/svgio/svgreader/svgtools.hxx @@ -0,0 +1,229 @@ +/* -*- 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 . + */ + +#ifndef INCLUDED_SVGIO_SVGREADER_SVGTOOLS_HXX +#define INCLUDED_SVGIO_SVGREADER_SVGTOOLS_HXX + +#include <svgio/svgiodllapi.h> +#include <drawinglayer/primitive2d/baseprimitive2d.hxx> +#include <basegfx/color/bcolor.hxx> +#include <basegfx/polygon/b2dpolypolygon.hxx> +#include <svgio/svgreader/svgpaint.hxx> +#include <vector> + +////////////////////////////////////////////////////////////////////////////// + +namespace svgio +{ + namespace svgreader + { +#ifdef DBG_UTIL + // error helper + void myAssert(const rtl::OUString& rMessage); +#endif + + // common non-token strings + struct commonStrings + { + static const rtl::OUString aStrUserSpaceOnUse; + static const rtl::OUString aStrObjectBoundingBox; + static const rtl::OUString aStrNonzero; + static const rtl::OUString aStrEvenOdd; + }; + + enum SvgUnits + { + userSpaceOnUse, + objectBoundingBox + }; + + enum NumberType + { + xcoordinate, + ycoordinate, + length + }; + + class InfoProvider + { + public: + virtual ~InfoProvider() {} + virtual const basegfx::B2DRange* getCurrentViewPort() const = 0; + virtual double getCurrentFontSize() const = 0; + virtual double getCurrentXHeight() const = 0; + }; + + enum SvgUnit + { + Unit_em = 0, // relative to current font size + Unit_ex, // relative to current x-height + + Unit_px, // 'user unit' + Unit_pt, // points, 1.25 px + Unit_pc, // 15.0 px + Unit_cm, // 35.43307 px + Unit_mm, // 3.543307 px + Unit_in, // 90 px + + Unit_percent // relative to range + }; + + class SvgNumber + { + private: + double mfNumber; + SvgUnit meUnit; + + /// bitfield + bool mbSet : 1; + + public: + SvgNumber() + : mfNumber(0.0), + meUnit(Unit_px), + mbSet(false) + { + } + + SvgNumber(double fNum, SvgUnit aSvgUnit = Unit_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; + + double solve(const InfoProvider& rInfoProvider, NumberType aNumberType = length) const; + }; + + typedef ::std::vector< SvgNumber > SvgNumberVector; + + enum SvgAlign + { + Align_none, + Align_xMinYMin, + Align_xMidYMin, + Align_xMaxYMin, + Align_xMinYMid, + Align_xMidYMid, // default + Align_xMaxYMid, + Align_xMinYMax, + Align_xMidYMax, + Align_xMaxYMax + }; + + class SvgAspectRatio + { + private: + SvgAlign maSvgAlign; + + /// bitfield + bool mbDefer : 1; // default is false + bool mbMeetOrSlice : 1; // true = meet (default), false = slice + bool mbSet : 1; + + public: + SvgAspectRatio() + : maSvgAlign(Align_xMidYMid), + mbDefer(false), + mbMeetOrSlice(true), + mbSet(false) + { + } + + SvgAspectRatio(SvgAlign aSvgAlign, bool bDefer, bool bMeetOrSlice) + : maSvgAlign(aSvgAlign), + mbDefer(bDefer), + mbMeetOrSlice(bMeetOrSlice), + mbSet(true) + { + } + + /// data read access + SvgAlign getSvgAlign() const { return maSvgAlign; } + bool isDefer() const { return mbDefer; } + 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(const rtl::OUString& rCandidate, const sal_Unicode& rChar, sal_Int32& nPos, const sal_Int32 nLen); + void skip_char(const rtl::OUString& rCandidate, const sal_Unicode& rCharA, const sal_Unicode& rCharB, sal_Int32& nPos, const sal_Int32 nLen); + void copySign(const rtl::OUString& rCandidate, sal_Int32& nPos, rtl::OUStringBuffer& rTarget, const sal_Int32 nLen); + void copyNumber(const rtl::OUString& rCandidate, sal_Int32& nPos, rtl::OUStringBuffer& rTarget, const sal_Int32 nLen); + void copyHex(const rtl::OUString& rCandidate, sal_Int32& nPos, rtl::OUStringBuffer& rTarget, const sal_Int32 nLen); + void copyString(const rtl::OUString& rCandidate, sal_Int32& nPos, rtl::OUStringBuffer& rTarget, const sal_Int32 nLen); + void copyToLimiter(const rtl::OUString& rCandidate, const sal_Unicode& rLimiter, sal_Int32& nPos, rtl::OUStringBuffer& rTarget, const sal_Int32 nLen); + bool readNumber(const rtl::OUString& rCandidate, sal_Int32& nPos, double& fNum, const sal_Int32 nLen); + SvgUnit readUnit(const rtl::OUString& rCandidate, sal_Int32& nPos, const sal_Int32 nLen); + bool readNumberAndUnit(const rtl::OUString& rCandidate, sal_Int32& nPos, SvgNumber& aNum, const sal_Int32 nLen); + bool readAngle(const rtl::OUString& rCandidate, sal_Int32& nPos, double& fAngle, const sal_Int32 nLen); + sal_Int32 read_hex(const sal_Unicode& rChar); + bool match_colorKeyword(basegfx::BColor& rColor, const rtl::OUString& rName); + bool read_color(const rtl::OUString& rCandidate, basegfx::BColor& rColor); + basegfx::B2DRange readViewBox(const rtl::OUString& rCandidate, InfoProvider& rInfoProvider); + basegfx::B2DHomMatrix readTransform(const rtl::OUString& rCandidate, InfoProvider& rInfoProvider); + bool readSingleNumber(const rtl::OUString& rCandidate, SvgNumber& aNum); + bool readLocalUrl(const rtl::OUString& rCandidate, rtl::OUString& rURL); + bool readSvgPaint(const rtl::OUString& rCandidate, SvgPaint& rSvgPaint, rtl::OUString& rURL); + + bool readSvgNumberVector(const rtl::OUString& rCandidate, SvgNumberVector& rSvgNumberVector); + ::std::vector< double > solveSvgNumberVector(const SvgNumberVector& rInput, const InfoProvider& rInfoProvider, NumberType aNumberType = length); + + SvgAspectRatio readSvgAspectRatio(const rtl::OUString& rCandidate); + + typedef ::std::vector< rtl::OUString > SvgStringVector; + bool readSvgStringVector(const rtl::OUString& rCandidate, SvgStringVector& rSvgStringVector); + + void readImageLink(const rtl::OUString& rCandidate, rtl::OUString& rXLink, rtl::OUString& rUrl, rtl::OUString& rMimeType, rtl::OUString& rData); + + rtl::OUString convert(const rtl::OUString& rCandidate, const sal_Unicode& rPattern, const sal_Unicode& rNew, bool bRemove); + rtl::OUString consolidateContiguosSpace(const rtl::OUString& rCandidate); + rtl::OUString whiteSpaceHandlingDefault(const rtl::OUString& rCandidate); + rtl::OUString whiteSpaceHandlingPreserve(const rtl::OUString& rCandidate); + + } // end of namespace svgreader +} // end of namespace svgio + +////////////////////////////////////////////////////////////////////////////// + +#endif //INCLUDED_SVGIO_SVGREADER_SVGTOOLS_HXX + +// eof + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |