| /************************************************************** |
| * |
| * 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 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| #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 |
| |
| // recommended value for this devise dependend unit, see CSS2 section 4.3.2 Lenghts |
| #define F_SVG_PIXEL_PER_INCH 90.0 |
| |
| // 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 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; |
| |
| // Only usable in cases, when the unit is not Unit_percent, otherwise use method solve |
| double solveNonPercentage(const InfoProvider& rInfoProvider) 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 |
