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Diffstat (limited to 'svgio/source/svgreader/svgtools.cxx')
| -rw-r--r-- | svgio/source/svgreader/svgtools.cxx | 1691 |
1 files changed, 1691 insertions, 0 deletions
diff --git a/svgio/source/svgreader/svgtools.cxx b/svgio/source/svgreader/svgtools.cxx new file mode 100644 index 000000000..0c628511d --- /dev/null +++ b/svgio/source/svgreader/svgtools.cxx @@ -0,0 +1,1691 @@ +/* -*- 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 . + */ + +#include <svgtools.hxx> +#include <sal/log.hxx> +#include <osl/diagnose.h> +#include <tools/color.hxx> +#include <rtl/math.hxx> +#include <basegfx/matrix/b2dhommatrix.hxx> +#include <basegfx/matrix/b2dhommatrixtools.hxx> +#include <svgtoken.hxx> +#include <unordered_map> + +namespace svgio::svgreader +{ + // common non-token strings + const OUString commonStrings::aStrUserSpaceOnUse("userSpaceOnUse"); + const OUString commonStrings::aStrObjectBoundingBox("objectBoundingBox"); + const OUString commonStrings::aStrNonzero("nonzero"); + const OUString commonStrings::aStrEvenOdd("evenodd"); + + basegfx::B2DHomMatrix SvgAspectRatio::createLinearMapping(const basegfx::B2DRange& rTarget, const basegfx::B2DRange& rSource) + { + basegfx::B2DHomMatrix aRetval; + const double fSWidth(rSource.getWidth()); + const double fSHeight(rSource.getHeight()); + const bool bNoSWidth(basegfx::fTools::equalZero(fSWidth)); + const bool bNoSHeight(basegfx::fTools::equalZero(fSHeight)); + + // transform from source state to unit range + aRetval.translate(-rSource.getMinX(), -rSource.getMinY()); + aRetval.scale( + (bNoSWidth ? 1.0 : 1.0 / fSWidth) * rTarget.getWidth(), + (bNoSHeight ? 1.0 : 1.0 / fSHeight) * rTarget.getHeight()); + + // transform from unit rage to target range + aRetval.translate(rTarget.getMinX(), rTarget.getMinY()); + + return aRetval; + } + + basegfx::B2DHomMatrix SvgAspectRatio::createMapping(const basegfx::B2DRange& rTarget, const basegfx::B2DRange& rSource) const + { + // removed !isSet() from below. Due to correct defaults in the constructor an instance + // of this class is perfectly useful without being set by any importer + if(Align_none == getSvgAlign()) + { + // create linear mapping (default) + return createLinearMapping(rTarget, rSource); + } + + basegfx::B2DHomMatrix aRetval; + + const double fSWidth(rSource.getWidth()); + const double fSHeight(rSource.getHeight()); + const bool bNoSWidth(basegfx::fTools::equalZero(fSWidth)); + const bool bNoSHeight(basegfx::fTools::equalZero(fSHeight)); + const double fScaleX((bNoSWidth ? 1.0 : 1.0 / fSWidth) * rTarget.getWidth()); + const double fScaleY((bNoSHeight ? 1.0 : 1.0 / fSHeight) * rTarget.getHeight()); + const double fScale(isMeetOrSlice() ? std::min(fScaleX, fScaleY) : std::max(fScaleX, fScaleY)); + + // remove source translation, apply scale + aRetval.translate(-rSource.getMinX(), -rSource.getMinY()); + aRetval.scale(fScale, fScale); + + // evaluate horizontal alignment + const double fNewWidth(fSWidth * fScale); + double fTransX(0.0); + + switch(getSvgAlign()) + { + case Align_xMidYMin: + case Align_xMidYMid: + case Align_xMidYMax: + { + // centerX + const double fFreeSpace(rTarget.getWidth() - fNewWidth); + fTransX = fFreeSpace * 0.5; + break; + } + case Align_xMaxYMin: + case Align_xMaxYMid: + case Align_xMaxYMax: + { + // Right align + const double fFreeSpace(rTarget.getWidth() - fNewWidth); + fTransX = fFreeSpace; + break; + } + default: break; + } + + // evaluate vertical alignment + const double fNewHeight(fSHeight * fScale); + double fTransY(0.0); + + switch(getSvgAlign()) + { + case Align_xMinYMid: + case Align_xMidYMid: + case Align_xMaxYMid: + { + // centerY + const double fFreeSpace(rTarget.getHeight() - fNewHeight); + fTransY = fFreeSpace * 0.5; + break; + } + case Align_xMinYMax: + case Align_xMidYMax: + case Align_xMaxYMax: + { + // Bottom align + const double fFreeSpace(rTarget.getHeight() - fNewHeight); + fTransY = fFreeSpace; + break; + } + default: break; + } + + // add target translation + aRetval.translate( + rTarget.getMinX() + fTransX, + rTarget.getMinY() + fTransY); + + return aRetval; + } + + double SvgNumber::solveNonPercentage(const InfoProvider& rInfoProvider) const + { + if(isSet()) + { + switch(meUnit) + { + case Unit_em: + { + return mfNumber * rInfoProvider.getCurrentFontSizeInherited(); + } + case Unit_ex: + { + return mfNumber * rInfoProvider.getCurrentXHeightInherited() * 0.5; + } + case Unit_px: + { + return mfNumber; + } + case Unit_pt: + case Unit_pc: + case Unit_cm: + case Unit_mm: + case Unit_in: + { + double fRetval(mfNumber); + + switch(meUnit) + { + case Unit_pt: fRetval *= F_SVG_PIXEL_PER_INCH / 72.0; break; + case Unit_pc: fRetval *= F_SVG_PIXEL_PER_INCH / 6.0; break; + case Unit_cm: fRetval *= F_SVG_PIXEL_PER_INCH / 2.54; break; + case Unit_mm: fRetval *= 0.1 * F_SVG_PIXEL_PER_INCH / 2.54; break; + case Unit_in: fRetval *= F_SVG_PIXEL_PER_INCH; break; + default: break; + } + + return fRetval; + } + case Unit_none: + { + SAL_WARN("svgio", "Design error, this case should have been handled in the caller"); + return mfNumber; + } + default: + { + OSL_ENSURE(false, "Do not use with percentage! "); + return 0.0; + } + } + } + + /// not set + OSL_ENSURE(false, "SvgNumber not set (!)"); + return 0.0; + } + + double SvgNumber::solve(const InfoProvider& rInfoProvider, NumberType aNumberType) const + { + if(isSet()) + { + switch(meUnit) + { + case Unit_px: + { + return mfNumber; + } + case Unit_pt: + case Unit_pc: + case Unit_cm: + case Unit_mm: + case Unit_in: + case Unit_em: + case Unit_ex: + case Unit_none: + { + return solveNonPercentage( rInfoProvider); + } + case Unit_percent: + { + double fRetval(mfNumber * 0.01); + basegfx::B2DRange aViewPort = rInfoProvider.getCurrentViewPort(); + + if ( aViewPort.isEmpty() ) + { + SAL_WARN("svgio", "Design error, this case should have been handled in the caller"); + // no viewPort, assume a normal page size (A4) + aViewPort = basegfx::B2DRange( + 0.0, + 0.0, + 210.0 * F_SVG_PIXEL_PER_INCH / 2.54, + 297.0 * F_SVG_PIXEL_PER_INCH / 2.54); + + } + + if ( !aViewPort.isEmpty() ) + { + if(xcoordinate == aNumberType) + { + // it's a x-coordinate, relative to current width (w) + fRetval *= aViewPort.getWidth(); + } + else if(ycoordinate == aNumberType) + { + // it's a y-coordinate, relative to current height (h) + fRetval *= aViewPort.getHeight(); + } + else // length + { + // it's a length, relative to sqrt(w*w + h*h)/sqrt(2) + const double fCurrentWidth(aViewPort.getWidth()); + const double fCurrentHeight(aViewPort.getHeight()); + const double fCurrentLength( + sqrt(fCurrentWidth * fCurrentWidth + fCurrentHeight * fCurrentHeight)/sqrt(2.0)); + + fRetval *= fCurrentLength; + } + } + + return fRetval; + } + default: + { + break; + } + } + } + + /// not set + OSL_ENSURE(false, "SvgNumber not set (!)"); + return 0.0; + } + + bool SvgNumber::isPositive() const + { + return basegfx::fTools::moreOrEqual(mfNumber, 0.0); + } + + void skip_char(const OUString& rCandidate, sal_Unicode nChar, sal_Int32& nPos, const sal_Int32 nLen) + { + while(nPos < nLen && nChar == rCandidate[nPos]) + { + nPos++; + } + } + + void skip_char(const OUString& rCandidate, sal_Unicode nCharA, sal_Unicode nCharB, sal_Int32& nPos, const sal_Int32 nLen) + { + while(nPos < nLen && (nCharA == rCandidate[nPos] || nCharB == rCandidate[nPos])) + { + nPos++; + } + } + + void copySign(const OUString& rCandidate, sal_Int32& nPos, OUStringBuffer& rTarget, const sal_Int32 nLen) + { + if(nPos < nLen) + { + const sal_Unicode aChar(rCandidate[nPos]); + + if('+' == aChar || '-' == aChar) + { + rTarget.append(aChar); + nPos++; + } + } + } + + void copyNumber(const OUString& rCandidate, sal_Int32& nPos, OUStringBuffer& rTarget, const sal_Int32 nLen) + { + bool bOnNumber(true); + + while(bOnNumber && nPos < nLen) + { + const sal_Unicode aChar(rCandidate[nPos]); + + bOnNumber = ('0' <= aChar && '9' >= aChar) || '.' == aChar; + + if(bOnNumber) + { + rTarget.append(aChar); + nPos++; + } + } + } + + void copyHex(const OUString& rCandidate, sal_Int32& nPos, OUStringBuffer& rTarget, const sal_Int32 nLen) + { + bool bOnHex(true); + + while(bOnHex && nPos < nLen) + { + const sal_Unicode aChar(rCandidate[nPos]); + + bOnHex = ('0' <= aChar && '9' >= aChar) + || ('A' <= aChar && 'F' >= aChar) + || ('a' <= aChar && 'f' >= aChar); + + if(bOnHex) + { + rTarget.append(aChar); + nPos++; + } + } + } + + void copyString(const OUString& rCandidate, sal_Int32& nPos, OUStringBuffer& rTarget, const sal_Int32 nLen) + { + bool bOnChar(true); + + while(bOnChar && nPos < nLen) + { + const sal_Unicode aChar(rCandidate[nPos]); + + bOnChar = ('a' <= aChar && 'z' >= aChar) + || ('A' <= aChar && 'Z' >= aChar) + || '-' == aChar; + + if(bOnChar) + { + rTarget.append(aChar); + nPos++; + } + } + } + + void copyToLimiter(const OUString& rCandidate, sal_Unicode nLimiter, sal_Int32& nPos, OUStringBuffer& rTarget, const sal_Int32 nLen) + { + while(nPos < nLen && nLimiter != rCandidate[nPos]) + { + rTarget.append(rCandidate[nPos]); + nPos++; + } + } + + bool readNumber(const OUString& rCandidate, sal_Int32& nPos, double& fNum, const sal_Int32 nLen) + { + if(nPos < nLen) + { + OUStringBuffer aNum; + + copySign(rCandidate, nPos, aNum, nLen); + copyNumber(rCandidate, nPos, aNum, nLen); + + if(nPos < nLen) + { + const sal_Unicode aChar(rCandidate[nPos]); + + if('e' == aChar || 'E' == aChar) + { + // try to read exponential number, but be careful. I had + // a case where dx="2em" was used, thus the 'e' was consumed + // by error. First try if there are numbers after the 'e', + // safe current state + nPos++; + const OUStringBuffer aNum2(aNum); + const sal_Int32 nPosAfterE(nPos); + + aNum.append(aChar); + copySign(rCandidate, nPos, aNum, nLen); + copyNumber(rCandidate, nPos, aNum, nLen); + + if(nPosAfterE == nPos) + { + // no number after 'e', go back. Do not + // return false, it's still a valid integer number + aNum = aNum2; + nPos--; + } + } + } + + if(!aNum.isEmpty()) + { + rtl_math_ConversionStatus eStatus; + + fNum = rtl::math::stringToDouble( + aNum.makeStringAndClear(), '.', ',', + &eStatus); + + return eStatus == rtl_math_ConversionStatus_Ok; + } + } + + return false; + } + + SvgUnit readUnit(const OUString& rCandidate, sal_Int32& nPos, const sal_Int32 nLen) + { + SvgUnit aRetval(Unit_px); + + if(nPos < nLen) + { + const sal_Unicode aCharA(rCandidate[nPos]); + + if(nPos + 1 < nLen) + { + const sal_Unicode aCharB(rCandidate[nPos + 1]); + bool bTwoCharValid(false); + + switch(aCharA) + { + case u'e' : + { + if('m' == aCharB) + { + // 'em' Relative to current font size + aRetval = Unit_em; + bTwoCharValid = true; + } + else if('x' == aCharB) + { + // 'ex' Relative to current font x-height + aRetval = Unit_ex; + bTwoCharValid = true; + } + break; + } + case u'p' : + { + if('x' == aCharB) + { + // 'px' UserUnit (default) + bTwoCharValid = true; + } + else if('t' == aCharB) + { + // 'pt' == 4/3 px + aRetval = Unit_pt; + bTwoCharValid = true; + } + else if('c' == aCharB) + { + // 'pc' == 16 px + aRetval = Unit_pc; + bTwoCharValid = true; + } + break; + } + case u'i' : + { + if('n' == aCharB) + { + // 'in' == 96 px, since CSS 2.1 + aRetval = Unit_in; + bTwoCharValid = true; + } + break; + } + case u'c' : + { + if('m' == aCharB) + { + // 'cm' == 37.79527559 px + aRetval = Unit_cm; + bTwoCharValid = true; + } + break; + } + case u'm' : + { + if('m' == aCharB) + { + // 'mm' == 3.779528 px + aRetval = Unit_mm; + bTwoCharValid = true; + } + break; + } + } + + if(bTwoCharValid) + { + nPos += 2; + } + } + else + { + if('%' == aCharA) + { + // percent used, relative to current + nPos++; + aRetval = Unit_percent; + } + } + } + + return aRetval; + } + + bool readNumberAndUnit(const OUString& rCandidate, sal_Int32& nPos, SvgNumber& aNum, const sal_Int32 nLen) + { + double fNum(0.0); + + if(readNumber(rCandidate, nPos, fNum, nLen)) + { + skip_char(rCandidate, ' ', nPos, nLen); + aNum = SvgNumber(fNum, readUnit(rCandidate, nPos, nLen)); + + return true; + } + + return false; + } + + bool readAngle(const OUString& rCandidate, sal_Int32& nPos, double& fAngle, const sal_Int32 nLen) + { + if(readNumber(rCandidate, nPos, fAngle, nLen)) + { + skip_char(rCandidate, ' ', nPos, nLen); + + enum DegreeType + { + deg, + grad, + rad + } aType(deg); // degrees is default + + if(nPos < nLen) + { + const sal_Unicode aChar(rCandidate[nPos]); + static const char aStrGrad[] = "grad"; + static const char aStrRad[] = "rad"; + + switch(aChar) + { + case u'g' : + case u'G' : + { + if(rCandidate.matchIgnoreAsciiCase(aStrGrad, nPos)) + { + // angle in grad + nPos += strlen(aStrGrad); + aType = grad; + } + break; + } + case u'r' : + case u'R' : + { + if(rCandidate.matchIgnoreAsciiCase(aStrRad, nPos)) + { + // angle in radians + nPos += strlen(aStrRad); + aType = rad; + } + break; + } + } + } + + // convert to radians + if(deg == aType) + { + fAngle = basegfx::deg2rad(fAngle); + } + else if(grad == aType) + { + // looks like 100 grad is 90 degrees + fAngle *= F_PI / 200.0; + } + + return true; + } + + return false; + } + + sal_Int32 read_hex(sal_Unicode nChar) + { + if(nChar >= '0' && nChar <= '9') + { + return nChar - u'0'; + } + else if(nChar >= 'A' && nChar <= 'F') + { + return 10 + sal_Int32(nChar - u'A'); + } + else if(nChar >= 'a' && nChar <= 'f') + { + return 10 + sal_Int32(nChar - u'a'); + } + else + { + // error + return 0; + } + } + + bool match_colorKeyword(basegfx::BColor& rColor, const OUString& rName, bool bCaseIndependent) + { + typedef std::unordered_map< OUString, Color > ColorTokenMapper; + typedef std::pair< OUString, Color > ColorTokenValueType; + static const ColorTokenMapper aColorTokenMapperList { + { ColorTokenValueType(OUString("aliceblue"), Color(240, 248, 255)) }, + { ColorTokenValueType(OUString("antiquewhite"), Color(250, 235, 215) ) }, + { ColorTokenValueType(OUString("aqua"), Color( 0, 255, 255) ) }, + { ColorTokenValueType(OUString("aquamarine"), Color(127, 255, 212) ) }, + { ColorTokenValueType(OUString("azure"), Color(240, 255, 255) ) }, + { ColorTokenValueType(OUString("beige"), Color(245, 245, 220) ) }, + { ColorTokenValueType(OUString("bisque"), Color(255, 228, 196) ) }, + { ColorTokenValueType(OUString("black"), Color( 0, 0, 0) ) }, + { ColorTokenValueType(OUString("blanchedalmond"), Color(255, 235, 205) ) }, + { ColorTokenValueType(OUString("blue"), Color( 0, 0, 255) ) }, + { ColorTokenValueType(OUString("blueviolet"), Color(138, 43, 226) ) }, + { ColorTokenValueType(OUString("brown"), Color(165, 42, 42) ) }, + { ColorTokenValueType(OUString("burlywood"), Color(222, 184, 135) ) }, + { ColorTokenValueType(OUString("cadetblue"), Color( 95, 158, 160) ) }, + { ColorTokenValueType(OUString("chartreuse"), Color(127, 255, 0) ) }, + { ColorTokenValueType(OUString("chocolate"), Color(210, 105, 30) ) }, + { ColorTokenValueType(OUString("coral"), Color(255, 127, 80) ) }, + { ColorTokenValueType(OUString("cornflowerblue"), Color(100, 149, 237) ) }, + { ColorTokenValueType(OUString("cornsilk"), Color(255, 248, 220) ) }, + { ColorTokenValueType(OUString("crimson"), Color(220, 20, 60) ) }, + { ColorTokenValueType(OUString("cyan"), Color( 0, 255, 255) ) }, + { ColorTokenValueType(OUString("darkblue"), Color( 0, 0, 139) ) }, + { ColorTokenValueType(OUString("darkcyan"), Color( 0, 139, 139) ) }, + { ColorTokenValueType(OUString("darkgoldenrod"), Color(184, 134, 11) ) }, + { ColorTokenValueType(OUString("darkgray"), Color(169, 169, 169) ) }, + { ColorTokenValueType(OUString("darkgreen"), Color( 0, 100, 0) ) }, + { ColorTokenValueType(OUString("darkgrey"), Color(169, 169, 169) ) }, + { ColorTokenValueType(OUString("darkkhaki"), Color(189, 183, 107) ) }, + { ColorTokenValueType(OUString("darkmagenta"), Color(139, 0, 139) ) }, + { ColorTokenValueType(OUString("darkolivegreen"), Color( 85, 107, 47) ) }, + { ColorTokenValueType(OUString("darkorange"), Color(255, 140, 0) ) }, + { ColorTokenValueType(OUString("darkorchid"), Color(153, 50, 204) ) }, + { ColorTokenValueType(OUString("darkred"), Color(139, 0, 0) ) }, + { ColorTokenValueType(OUString("darksalmon"), Color(233, 150, 122) ) }, + { ColorTokenValueType(OUString("darkseagreen"), Color(143, 188, 143) ) }, + { ColorTokenValueType(OUString("darkslateblue"), Color( 72, 61, 139) ) }, + { ColorTokenValueType(OUString("darkslategray"), Color( 47, 79, 79) ) }, + { ColorTokenValueType(OUString("darkslategrey"), Color( 47, 79, 79) ) }, + { ColorTokenValueType(OUString("darkturquoise"), Color( 0, 206, 209) ) }, + { ColorTokenValueType(OUString("darkviolet"), Color(148, 0, 211) ) }, + { ColorTokenValueType(OUString("deeppink"), Color(255, 20, 147) ) }, + { ColorTokenValueType(OUString("deepskyblue"), Color( 0, 191, 255) ) }, + { ColorTokenValueType(OUString("dimgray"), Color(105, 105, 105) ) }, + { ColorTokenValueType(OUString("dimgrey"), Color(105, 105, 105) ) }, + { ColorTokenValueType(OUString("dodgerblue"), Color( 30, 144, 255) ) }, + { ColorTokenValueType(OUString("firebrick"), Color(178, 34, 34) ) }, + { ColorTokenValueType(OUString("floralwhite"), Color(255, 250, 240) ) }, + { ColorTokenValueType(OUString("forestgreen"), Color( 34, 139, 34) ) }, + { ColorTokenValueType(OUString("fuchsia"), Color(255, 0, 255) ) }, + { ColorTokenValueType(OUString("gainsboro"), Color(220, 220, 220) ) }, + { ColorTokenValueType(OUString("ghostwhite"), Color(248, 248, 255) ) }, + { ColorTokenValueType(OUString("gold"), Color(255, 215, 0) ) }, + { ColorTokenValueType(OUString("goldenrod"), Color(218, 165, 32) ) }, + { ColorTokenValueType(OUString("gray"), Color(128, 128, 128) ) }, + { ColorTokenValueType(OUString("grey"), Color(128, 128, 128) ) }, + { ColorTokenValueType(OUString("green"), Color(0, 128, 0) ) }, + { ColorTokenValueType(OUString("greenyellow"), Color(173, 255, 47) ) }, + { ColorTokenValueType(OUString("honeydew"), Color(240, 255, 240) ) }, + { ColorTokenValueType(OUString("hotpink"), Color(255, 105, 180) ) }, + { ColorTokenValueType(OUString("indianred"), Color(205, 92, 92) ) }, + { ColorTokenValueType(OUString("indigo"), Color( 75, 0, 130) ) }, + { ColorTokenValueType(OUString("ivory"), Color(255, 255, 240) ) }, + { ColorTokenValueType(OUString("khaki"), Color(240, 230, 140) ) }, + { ColorTokenValueType(OUString("lavender"), Color(230, 230, 250) ) }, + { ColorTokenValueType(OUString("lavenderblush"), Color(255, 240, 245) ) }, + { ColorTokenValueType(OUString("lawngreen"), Color(124, 252, 0) ) }, + { ColorTokenValueType(OUString("lemonchiffon"), Color(255, 250, 205) ) }, + { ColorTokenValueType(OUString("lightblue"), Color(173, 216, 230) ) }, + { ColorTokenValueType(OUString("lightcoral"), Color(240, 128, 128) ) }, + { ColorTokenValueType(OUString("lightcyan"), Color(224, 255, 255) ) }, + { ColorTokenValueType(OUString("lightgoldenrodyellow"), Color(250, 250, 210) ) }, + { ColorTokenValueType(OUString("lightgray"), Color(211, 211, 211) ) }, + { ColorTokenValueType(OUString("lightgreen"), Color(144, 238, 144) ) }, + { ColorTokenValueType(OUString("lightgrey"), Color(211, 211, 211) ) }, + { ColorTokenValueType(OUString("lightpink"), Color(255, 182, 193) ) }, + { ColorTokenValueType(OUString("lightsalmon"), Color(255, 160, 122) ) }, + { ColorTokenValueType(OUString("lightseagreen"), Color( 32, 178, 170) ) }, + { ColorTokenValueType(OUString("lightskyblue"), Color(135, 206, 250) ) }, + { ColorTokenValueType(OUString("lightslategray"), Color(119, 136, 153) ) }, + { ColorTokenValueType(OUString("lightslategrey"), Color(119, 136, 153) ) }, + { ColorTokenValueType(OUString("lightsteelblue"), Color(176, 196, 222) ) }, + { ColorTokenValueType(OUString("lightyellow"), Color(255, 255, 224) ) }, + { ColorTokenValueType(OUString("lime"), Color( 0, 255, 0) ) }, + { ColorTokenValueType(OUString("limegreen"), Color( 50, 205, 50) ) }, + { ColorTokenValueType(OUString("linen"), Color(250, 240, 230) ) }, + { ColorTokenValueType(OUString("magenta"), Color(255, 0, 255) ) }, + { ColorTokenValueType(OUString("maroon"), Color(128, 0, 0) ) }, + { ColorTokenValueType(OUString("mediumaquamarine"), Color(102, 205, 170) ) }, + { ColorTokenValueType(OUString("mediumblue"), Color( 0, 0, 205) ) }, + { ColorTokenValueType(OUString("mediumorchid"), Color(186, 85, 211) ) }, + { ColorTokenValueType(OUString("mediumpurple"), Color(147, 112, 219) ) }, + { ColorTokenValueType(OUString("mediumseagreen"), Color( 60, 179, 113) ) }, + { ColorTokenValueType(OUString("mediumslateblue"), Color(123, 104, 238) ) }, + { ColorTokenValueType(OUString("mediumspringgreen"), Color( 0, 250, 154) ) }, + { ColorTokenValueType(OUString("mediumturquoise"), Color( 72, 209, 204) ) }, + { ColorTokenValueType(OUString("mediumvioletred"), Color(199, 21, 133) ) }, + { ColorTokenValueType(OUString("midnightblue"), Color( 25, 25, 112) ) }, + { ColorTokenValueType(OUString("mintcream"), Color(245, 255, 250) ) }, + { ColorTokenValueType(OUString("mistyrose"), Color(255, 228, 225) ) }, + { ColorTokenValueType(OUString("moccasin"), Color(255, 228, 181) ) }, + { ColorTokenValueType(OUString("navajowhite"), Color(255, 222, 173) ) }, + { ColorTokenValueType(OUString("navy"), Color( 0, 0, 128) ) }, + { ColorTokenValueType(OUString("oldlace"), Color(253, 245, 230) ) }, + { ColorTokenValueType(OUString("olive"), Color(128, 128, 0) ) }, + { ColorTokenValueType(OUString("olivedrab"), Color(107, 142, 35) ) }, + { ColorTokenValueType(OUString("orange"), Color(255, 165, 0) ) }, + { ColorTokenValueType(OUString("orangered"), Color(255, 69, 0) ) }, + { ColorTokenValueType(OUString("orchid"), Color(218, 112, 214) ) }, + { ColorTokenValueType(OUString("palegoldenrod"), Color(238, 232, 170) ) }, + { ColorTokenValueType(OUString("palegreen"), Color(152, 251, 152) ) }, + { ColorTokenValueType(OUString("paleturquoise"), Color(175, 238, 238) ) }, + { ColorTokenValueType(OUString("palevioletred"), Color(219, 112, 147) ) }, + { ColorTokenValueType(OUString("papayawhip"), Color(255, 239, 213) ) }, + { ColorTokenValueType(OUString("peachpuff"), Color(255, 218, 185) ) }, + { ColorTokenValueType(OUString("peru"), Color(205, 133, 63) ) }, + { ColorTokenValueType(OUString("pink"), Color(255, 192, 203) ) }, + { ColorTokenValueType(OUString("plum"), Color(221, 160, 221) ) }, + { ColorTokenValueType(OUString("powderblue"), Color(176, 224, 230) ) }, + { ColorTokenValueType(OUString("purple"), Color(128, 0, 128) ) }, + { ColorTokenValueType(OUString("red"), Color(255, 0, 0) ) }, + { ColorTokenValueType(OUString("rosybrown"), Color(188, 143, 143) ) }, + { ColorTokenValueType(OUString("royalblue"), Color( 65, 105, 225) ) }, + { ColorTokenValueType(OUString("saddlebrown"), Color(139, 69, 19) ) }, + { ColorTokenValueType(OUString("salmon"), Color(250, 128, 114) ) }, + { ColorTokenValueType(OUString("sandybrown"), Color(244, 164, 96) ) }, + { ColorTokenValueType(OUString("seagreen"), Color( 46, 139, 87) ) }, + { ColorTokenValueType(OUString("seashell"), Color(255, 245, 238) ) }, + { ColorTokenValueType(OUString("sienna"), Color(160, 82, 45) ) }, + { ColorTokenValueType(OUString("silver"), Color(192, 192, 192) ) }, + { ColorTokenValueType(OUString("skyblue"), Color(135, 206, 235) ) }, + { ColorTokenValueType(OUString("slateblue"), Color(106, 90, 205) ) }, + { ColorTokenValueType(OUString("slategray"), Color(112, 128, 144) ) }, + { ColorTokenValueType(OUString("slategrey"), Color(112, 128, 144) ) }, + { ColorTokenValueType(OUString("snow"), Color(255, 250, 250) ) }, + { ColorTokenValueType(OUString("springgreen"), Color( 0, 255, 127) ) }, + { ColorTokenValueType(OUString("steelblue"), Color( 70, 130, 180) ) }, + { ColorTokenValueType(OUString("tan"), Color(210, 180, 140) ) }, + { ColorTokenValueType(OUString("teal"), Color( 0, 128, 128) ) }, + { ColorTokenValueType(OUString("thistle"), Color(216, 191, 216) ) }, + { ColorTokenValueType(OUString("tomato"), Color(255, 99, 71) ) }, + { ColorTokenValueType(OUString("turquoise"), Color( 64, 224, 208) ) }, + { ColorTokenValueType(OUString("violet"), Color(238, 130, 238) ) }, + { ColorTokenValueType(OUString("wheat"), Color(245, 222, 179) ) }, + { ColorTokenValueType(OUString("white"), Color(255, 255, 255) ) }, + { ColorTokenValueType(OUString("whitesmoke"), Color(245, 245, 245) ) }, + { ColorTokenValueType(OUString("yellow"), Color(255, 255, 0) ) }, + { ColorTokenValueType(OUString("yellowgreen"), Color(154, 205, 50) ) }, + }; + + ColorTokenMapper::const_iterator aResult(aColorTokenMapperList.find(rName)); + + if(bCaseIndependent && aResult == aColorTokenMapperList.end()) + { + // also try case independent match (e.g. for Css styles) + aResult = aColorTokenMapperList.find(rName.toAsciiLowerCase()); + } + + if(aResult == aColorTokenMapperList.end()) + { + return false; + } + else + { + rColor = aResult->second.getBColor(); + return true; + } + } + + bool read_color(const OUString& rCandidate, basegfx::BColor& rColor, bool bCaseIndependent, SvgNumber& rOpacity) + { + const sal_Int32 nLen(rCandidate.getLength()); + + if(nLen) + { + const sal_Unicode aChar(rCandidate[0]); + const double fFactor(1.0 / 255.0); + + if(aChar == '#') + { + // hex definition + OUStringBuffer aNum; + sal_Int32 nPos(1); + + copyHex(rCandidate, nPos, aNum, nLen); + const sal_Int32 nLength(aNum.getLength()); + + if(3 == nLength) + { + const sal_Int32 nR(read_hex(aNum[0])); + const sal_Int32 nG(read_hex(aNum[1])); + const sal_Int32 nB(read_hex(aNum[2])); + + rColor.setRed((nR | (nR << 4)) * fFactor); + rColor.setGreen((nG | (nG << 4)) * fFactor); + rColor.setBlue((nB | (nB << 4)) * fFactor); + + return true; + } + else if(6 == nLength) + { + const sal_Int32 nR1(read_hex(aNum[0])); + const sal_Int32 nR2(read_hex(aNum[1])); + const sal_Int32 nG1(read_hex(aNum[2])); + const sal_Int32 nG2(read_hex(aNum[3])); + const sal_Int32 nB1(read_hex(aNum[4])); + const sal_Int32 nB2(read_hex(aNum[5])); + + rColor.setRed((nR2 | (nR1 << 4)) * fFactor); + rColor.setGreen((nG2 | (nG1 << 4)) * fFactor); + rColor.setBlue((nB2 | (nB1 << 4)) * fFactor); + + return true; + } + } + else + { + static const char aStrRgb[] = "rgb"; + + if(rCandidate.matchIgnoreAsciiCase(aStrRgb, 0)) + { + // rgb/rgba definition + sal_Int32 nPos(strlen(aStrRgb)); + bool bIsRGBA = false; + + if('a' == rCandidate[nPos]) + { + //Delete the 'a' from 'rbga' + skip_char(rCandidate, 'a', nPos, nPos + 1); + bIsRGBA = true; + } + + skip_char(rCandidate, ' ', '(', nPos, nLen); + double fR(0.0); + + if(readNumber(rCandidate, nPos, fR, nLen)) + { + skip_char(rCandidate, ' ', nPos, nLen); + + if(nPos < nLen) + { + const sal_Unicode aPercentChar(rCandidate[nPos]); + const bool bIsPercent('%' == aPercentChar); + double fG(0.0); + + if(bIsPercent) + { + skip_char(rCandidate, '%', nPos, nLen); + } + + skip_char(rCandidate, ' ', ',', nPos, nLen); + + if(readNumber(rCandidate, nPos, fG, nLen)) + { + double fB(0.0); + + if(bIsPercent) + { + skip_char(rCandidate, '%', nPos, nLen); + } + + skip_char(rCandidate, ' ', ',', nPos, nLen); + + if(readNumber(rCandidate, nPos, fB, nLen)) + { + double fA(1.0); + + if(bIsPercent) + { + skip_char(rCandidate, '%', nPos, nLen); + } + + skip_char(rCandidate, ' ', ',', nPos, nLen); + + if(readNumber(rCandidate, nPos, fA, nLen)) + { + if(bIsRGBA) + { + const double fFac(bIsPercent ? 0.01 : 1); + rOpacity = SvgNumber(fA * fFac); + + if(bIsPercent) + { + skip_char(rCandidate, '%', nPos, nLen); + } + } + else + { + return false; + } + } + + const double fFac(bIsPercent ? 0.01 : fFactor); + + rColor.setRed(fR * fFac); + rColor.setGreen(fG * fFac); + rColor.setBlue(fB * fFac); + + skip_char(rCandidate, ' ', ')', nPos, nLen); + return true; + } + } + } + } + } + else + { + // color keyword + if(match_colorKeyword(rColor, rCandidate, bCaseIndependent)) + { + return true; + } + } + } + } + + return false; + } + + basegfx::B2DRange readViewBox(const OUString& rCandidate, InfoProvider const & rInfoProvider) + { + const sal_Int32 nLen(rCandidate.getLength()); + + if(nLen) + { + sal_Int32 nPos(0); + SvgNumber aMinX; + skip_char(rCandidate, ' ', ',', nPos, nLen); + + if(readNumberAndUnit(rCandidate, nPos, aMinX, nLen)) + { + SvgNumber aMinY; + skip_char(rCandidate, ' ', ',', nPos, nLen); + + if(readNumberAndUnit(rCandidate, nPos, aMinY, nLen)) + { + SvgNumber aWidth; + skip_char(rCandidate, ' ', ',', nPos, nLen); + + if(readNumberAndUnit(rCandidate, nPos, aWidth, nLen)) + { + SvgNumber aHeight; + skip_char(rCandidate, ' ', ',', nPos, nLen); + + if(readNumberAndUnit(rCandidate, nPos, aHeight, nLen)) + { + double fX(aMinX.solve(rInfoProvider, xcoordinate)); + double fY(aMinY.solve(rInfoProvider, ycoordinate)); + double fW(aWidth.solve(rInfoProvider,xcoordinate)); + double fH(aHeight.solve(rInfoProvider,ycoordinate)); + return basegfx::B2DRange(fX,fY,fX+fW,fY+fH); + } + } + } + } + } + + return basegfx::B2DRange(); + } + + basegfx::B2DHomMatrix readTransform(const OUString& rCandidate, InfoProvider const & rInfoProvider) + { + basegfx::B2DHomMatrix aMatrix; + const sal_Int32 nLen(rCandidate.getLength()); + + if(nLen) + { + sal_Int32 nPos(0); + skip_char(rCandidate, ' ', ',', nPos, nLen); + + while(nPos < nLen) + { + const sal_Unicode aChar(rCandidate[nPos]); + const sal_Int32 nInitPos(nPos); + static const char aStrMatrix[] = "matrix"; + static const char aStrTranslate[] = "translate"; + static const char aStrScale[] = "scale"; + static const char aStrRotate[] = "rotate"; + static const char aStrSkewX[] = "skewX"; + static const char aStrSkewY[] = "skewY"; + + switch(aChar) + { + case u'm' : + { + if(rCandidate.match(aStrMatrix, nPos)) + { + // matrix element + nPos += strlen(aStrMatrix); + skip_char(rCandidate, ' ', '(', nPos, nLen); + SvgNumber aVal; + basegfx::B2DHomMatrix aNew; + + if(readNumberAndUnit(rCandidate, nPos, aVal, nLen)) + { + aNew.set(0, 0, aVal.solve(rInfoProvider)); // Element A + skip_char(rCandidate, ' ', ',', nPos, nLen); + + if(readNumberAndUnit(rCandidate, nPos, aVal, nLen)) + { + aNew.set(1, 0, aVal.solve(rInfoProvider)); // Element B + skip_char(rCandidate, ' ', ',', nPos, nLen); + + if(readNumberAndUnit(rCandidate, nPos, aVal, nLen)) + { + aNew.set(0, 1, aVal.solve(rInfoProvider)); // Element C + skip_char(rCandidate, ' ', ',', nPos, nLen); + + if(readNumberAndUnit(rCandidate, nPos, aVal, nLen)) + { + aNew.set(1, 1, aVal.solve(rInfoProvider)); // Element D + skip_char(rCandidate, ' ', ',', nPos, nLen); + + if(readNumberAndUnit(rCandidate, nPos, aVal, nLen)) + { + aNew.set(0, 2, aVal.solve(rInfoProvider, xcoordinate)); // Element E + skip_char(rCandidate, ' ', ',', nPos, nLen); + + if(readNumberAndUnit(rCandidate, nPos, aVal, nLen)) + { + aNew.set(1, 2, aVal.solve(rInfoProvider, ycoordinate)); // Element F + skip_char(rCandidate, ' ', ')', nPos, nLen); + skip_char(rCandidate, ' ', ',', nPos, nLen); + + // caution: String is evaluated from left to right, but matrix multiplication + // in SVG is right to left, so put the new transformation before the current + // one by multiplicating from the right side + aMatrix = aMatrix * aNew; + } + } + } + } + } + } + } + break; + } + case u't' : + { + if(rCandidate.match(aStrTranslate, nPos)) + { + // translate element + nPos += strlen(aStrTranslate); + skip_char(rCandidate, ' ', '(', nPos, nLen); + SvgNumber aTransX; + + if(readNumberAndUnit(rCandidate, nPos, aTransX, nLen)) + { + skip_char(rCandidate, ' ', ',', nPos, nLen); + SvgNumber aTransY; + readNumberAndUnit(rCandidate, nPos, aTransY, nLen); + skip_char(rCandidate, ' ', ')', nPos, nLen); + skip_char(rCandidate, ' ', ',', nPos, nLen); + + aMatrix = aMatrix * basegfx::utils::createTranslateB2DHomMatrix( + aTransX.solve(rInfoProvider, xcoordinate), + aTransY.solve(rInfoProvider, ycoordinate)); + } + } + break; + } + case u's' : + { + if(rCandidate.match(aStrScale, nPos)) + { + // scale element + nPos += strlen(aStrScale); + skip_char(rCandidate, ' ', '(', nPos, nLen); + SvgNumber aScaleX; + + if(readNumberAndUnit(rCandidate, nPos, aScaleX, nLen)) + { + skip_char(rCandidate, ' ', ',', nPos, nLen); + SvgNumber aScaleY(aScaleX); + readNumberAndUnit(rCandidate, nPos, aScaleY, nLen); + skip_char(rCandidate, ' ', ')', nPos, nLen); + skip_char(rCandidate, ' ', ',', nPos, nLen); + + aMatrix = aMatrix * basegfx::utils::createScaleB2DHomMatrix( + aScaleX.solve(rInfoProvider), + aScaleY.solve(rInfoProvider)); + } + } + else if(rCandidate.match(aStrSkewX, nPos)) + { + // skewx element + nPos += strlen(aStrSkewX); + skip_char(rCandidate, ' ', '(', nPos, nLen); + double fSkewX(0.0); + + if(readAngle(rCandidate, nPos, fSkewX, nLen)) + { + skip_char(rCandidate, ' ', ')', nPos, nLen); + skip_char(rCandidate, ' ', ',', nPos, nLen); + + aMatrix = aMatrix * basegfx::utils::createShearXB2DHomMatrix(tan(fSkewX)); + } + } + else if(rCandidate.match(aStrSkewY, nPos)) + { + // skewy element + nPos += strlen(aStrSkewY); + skip_char(rCandidate, ' ', '(', nPos, nLen); + double fSkewY(0.0); + + if(readAngle(rCandidate, nPos, fSkewY, nLen)) + { + skip_char(rCandidate, ' ', ')', nPos, nLen); + skip_char(rCandidate, ' ', ',', nPos, nLen); + + aMatrix = aMatrix * basegfx::utils::createShearYB2DHomMatrix(tan(fSkewY)); + } + } + break; + } + case u'r' : + { + if(rCandidate.match(aStrRotate, nPos)) + { + // rotate element + nPos += strlen(aStrRotate); + skip_char(rCandidate, ' ', '(', nPos, nLen); + double fAngle(0.0); + + if(readAngle(rCandidate, nPos, fAngle, nLen)) + { + skip_char(rCandidate, ' ', ',', nPos, nLen); + SvgNumber aX; + readNumberAndUnit(rCandidate, nPos, aX, nLen); + skip_char(rCandidate, ' ', ',', nPos, nLen); + SvgNumber aY; + readNumberAndUnit(rCandidate, nPos, aY, nLen); + skip_char(rCandidate, ' ', ')', nPos, nLen); + skip_char(rCandidate, ' ', ',', nPos, nLen); + + const double fX(aX.isSet() ? aX.solve(rInfoProvider, xcoordinate) : 0.0); + const double fY(aY.isSet() ? aY.solve(rInfoProvider, ycoordinate) : 0.0); + + if(!basegfx::fTools::equalZero(fX) || !basegfx::fTools::equalZero(fY)) + { + // rotate around point + aMatrix = aMatrix * basegfx::utils::createRotateAroundPoint(fX, fY, fAngle); + } + else + { + // rotate + aMatrix = aMatrix * basegfx::utils::createRotateB2DHomMatrix(fAngle); + } + } + } + break; + } + } + + if(nInitPos == nPos) + { + OSL_ENSURE(false, "Could not interpret on current position (!)"); + nPos++; + } + } + } + + return aMatrix; + } + + bool readSingleNumber(const OUString& rCandidate, SvgNumber& aNum) + { + const sal_Int32 nLen(rCandidate.getLength()); + sal_Int32 nPos(0); + + return readNumberAndUnit(rCandidate, nPos, aNum, nLen); + } + + bool readLocalUrl(const OUString& rCandidate, OUString& rURL) + { + static const char aStrUrl[] = "url"; + + if(rCandidate.startsWith(aStrUrl)) + { + const sal_Int32 nLen(rCandidate.getLength()); + sal_Int32 nPos(strlen(aStrUrl)); + + skip_char(rCandidate, '(', '#', nPos, nLen); + OUStringBuffer aTokenValue; + copyToLimiter(rCandidate, ')', nPos, aTokenValue, nLen); + rURL = aTokenValue.makeStringAndClear(); + + return true; + } + + return false; + } + + bool readSvgPaint(const OUString& rCandidate, SvgPaint& rSvgPaint, + OUString& rURL, bool bCaseIndependent, SvgNumber& rOpacity) + { + if( !rCandidate.isEmpty() ) + { + basegfx::BColor aColor; + + if(read_color(rCandidate, aColor, bCaseIndependent, rOpacity)) + { + rSvgPaint = SvgPaint(aColor, true, true); + return true; + } + else + { + if(rCandidate.startsWith("none")) + { + rSvgPaint = SvgPaint(aColor, true, false, false); + return true; + } + else if(readLocalUrl(rCandidate, rURL)) + { + /// Url is copied to rURL, but needs to be solved outside this helper + return false; + } + else if(rCandidate.startsWith("currentColor")) + { + rSvgPaint = SvgPaint(aColor, true, true, true); + return true; + } + } + } + + return false; + } + + bool readSvgNumberVector(const OUString& rCandidate, SvgNumberVector& rSvgNumberVector) + { + const sal_Int32 nLen(rCandidate.getLength()); + rSvgNumberVector.clear(); + + if(nLen) + { + sal_Int32 nPos(0); + SvgNumber aNum; + skip_char(rCandidate, ' ', ',', nPos, nLen); + + while(readNumberAndUnit(rCandidate, nPos, aNum, nLen)) + { + rSvgNumberVector.push_back(aNum); + skip_char(rCandidate, ' ', ',', nPos, nLen); + } + + return !rSvgNumberVector.empty(); + } + + return false; + } + + SvgAspectRatio readSvgAspectRatio(const OUString& rCandidate) + { + const sal_Int32 nLen(rCandidate.getLength()); + + if(nLen) + { + sal_Int32 nPos(0); + SvgAlign aSvgAlign(Align_xMidYMid); + bool bMeetOrSlice(true); + bool bChanged(false); + + while(nPos < nLen) + { + const sal_Int32 nInitPos(nPos); + skip_char(rCandidate, ' ', nPos, nLen); + OUStringBuffer aTokenName; + copyString(rCandidate, nPos, aTokenName, nLen); + + if(!aTokenName.isEmpty()) + { + switch(StrToSVGToken(aTokenName.makeStringAndClear(), false)) + { + case SVGTokenDefer: + { + bChanged = true; + break; + } + case SVGTokenNone: + { + aSvgAlign = Align_none; + bChanged = true; + break; + } + case SVGTokenXMinYMin: + { + aSvgAlign = Align_xMinYMin; + bChanged = true; + break; + } + case SVGTokenXMidYMin: + { + aSvgAlign = Align_xMidYMin; + bChanged = true; + break; + } + case SVGTokenXMaxYMin: + { + aSvgAlign = Align_xMaxYMin; + bChanged = true; + break; + } + case SVGTokenXMinYMid: + { + aSvgAlign = Align_xMinYMid; + bChanged = true; + break; + } + case SVGTokenXMidYMid: + { + aSvgAlign = Align_xMidYMid; + bChanged = true; + break; + } + case SVGTokenXMaxYMid: + { + aSvgAlign = Align_xMaxYMid; + bChanged = true; + break; + } + case SVGTokenXMinYMax: + { + aSvgAlign = Align_xMinYMax; + bChanged = true; + break; + } + case SVGTokenXMidYMax: + { + aSvgAlign = Align_xMidYMax; + bChanged = true; + break; + } + case SVGTokenXMaxYMax: + { + aSvgAlign = Align_xMaxYMax; + bChanged = true; + break; + } + case SVGTokenMeet: + { + bMeetOrSlice = true; + bChanged = true; + break; + } + case SVGTokenSlice: + { + bMeetOrSlice = false; + bChanged = true; + break; + } + default: + { + break; + } + } + } + + if(nInitPos == nPos) + { + OSL_ENSURE(false, "Could not interpret on current position (!)"); + nPos++; + } + } + + if(bChanged) + { + return SvgAspectRatio(aSvgAlign, bMeetOrSlice); + } + } + + return SvgAspectRatio(); + } + + bool readSvgStringVector(const OUString& rCandidate, SvgStringVector& rSvgStringVector) + { + rSvgStringVector.clear(); + const sal_Int32 nLen(rCandidate.getLength()); + + if(nLen) + { + sal_Int32 nPos(0); + OUStringBuffer aTokenValue; + skip_char(rCandidate, ' ', ',', nPos, nLen); + + while(nPos < nLen) + { + copyToLimiter(rCandidate, ',', nPos, aTokenValue, nLen); + skip_char(rCandidate, ',', ' ', nPos, nLen); + const OUString aString = aTokenValue.makeStringAndClear(); + + if(!aString.isEmpty()) + { + rSvgStringVector.push_back(aString); + } + } + } + + return !rSvgStringVector.empty(); + } + + void readImageLink(const OUString& rCandidate, OUString& rXLink, OUString& rUrl, OUString& rMimeType, OUString& rData) + { + rXLink.clear(); + rUrl.clear(); + rMimeType.clear(); + rData.clear(); + + if('#' == rCandidate[0]) + { + // local link + rXLink = rCandidate.copy(1); + } + else + { + static const char aStrData[] = "data:"; + + if(rCandidate.match(aStrData, 0)) + { + // embedded data + sal_Int32 nPos(strlen(aStrData)); + sal_Int32 nLen(rCandidate.getLength()); + OUStringBuffer aBuffer; + + // read mime type + skip_char(rCandidate, ' ', nPos, nLen); + copyToLimiter(rCandidate, ';', nPos, aBuffer, nLen); + skip_char(rCandidate, ' ', ';', nPos, nLen); + rMimeType = aBuffer.makeStringAndClear(); + + if(!rMimeType.isEmpty() && nPos < nLen) + { + if(rMimeType.startsWith("image")) + { + // image data + OUString aData(rCandidate.copy(nPos)); + static const char aStrBase64[] = "base64"; + + if(aData.startsWith(aStrBase64)) + { + // base64 encoded + nPos = strlen(aStrBase64); + nLen = aData.getLength(); + + skip_char(aData, ' ', ',', nPos, nLen); + + if(nPos < nLen) + { + rData = aData.copy(nPos); + } + } + } + } + } + else + { + // Url (path and filename) + rUrl = rCandidate; + } + } + } + + OUString convert(const OUString& rCandidate, sal_Unicode nPattern, sal_Unicode nNew, bool bRemove) + { + const sal_Int32 nLen(rCandidate.getLength()); + + if(nLen) + { + sal_Int32 nPos(0); + OUStringBuffer aBuffer; + bool bChanged(false); + + while(nPos < nLen) + { + const sal_Unicode aChar(rCandidate[nPos]); + + if(nPattern == aChar) + { + bChanged = true; + + if(!bRemove) + { + aBuffer.append(nNew); + } + } + else + { + aBuffer.append(aChar); + } + + nPos++; + } + + if(bChanged) + { + return aBuffer.makeStringAndClear(); + } + } + + return rCandidate; + } + + // #i125325# + OUString removeBlockComments(const OUString& rCandidate) + { + const sal_Int32 nLen(rCandidate.getLength()); + + if(nLen) + { + sal_Int32 nPos(0); + OUStringBuffer aBuffer; + bool bChanged(false); + sal_Int32 nInsideComment(0); + const sal_Unicode aCommentSlash('/'); + const sal_Unicode aCommentStar('*'); + + while(nPos < nLen) + { + const sal_Unicode aChar(rCandidate[nPos]); + const bool bStart(aCommentSlash == aChar && nPos + 1 < nLen && aCommentStar == rCandidate[nPos + 1]); + const bool bEnd(aCommentStar == aChar && nPos + 1 < nLen && aCommentSlash == rCandidate[nPos + 1]); + + if(bStart) + { + nPos += 2; + nInsideComment++; + bChanged = true; + } + else if(bEnd) + { + nPos += 2; + nInsideComment--; + } + else + { + if(!nInsideComment) + { + aBuffer.append(aChar); + } + + nPos++; + } + } + + if(bChanged) + { + return aBuffer.makeStringAndClear(); + } + } + + return rCandidate; + } + + OUString consolidateContiguousSpace(const OUString& rCandidate) + { + const sal_Int32 nLen(rCandidate.getLength()); + + if(nLen) + { + sal_Int32 nPos(0); + OUStringBuffer aBuffer; + bool bInsideSpace(false); + const sal_Unicode aSpace(' '); + + while(nPos < nLen) + { + const sal_Unicode aChar(rCandidate[nPos]); + + if(aSpace == aChar) + { + bInsideSpace = true; + } + else + { + if(bInsideSpace) + { + bInsideSpace = false; + aBuffer.append(aSpace); + } + + aBuffer.append(aChar); + } + + nPos++; + } + + if(bInsideSpace) + { + aBuffer.append(aSpace); + } + + if(aBuffer.getLength() != nLen) + { + return aBuffer.makeStringAndClear(); + } + } + + return rCandidate; + } + + OUString whiteSpaceHandlingDefault(const OUString& rCandidate) + { + const sal_Unicode aNewline('\n'); + const sal_Unicode aTab('\t'); + const sal_Unicode aSpace(' '); + + // remove all newline characters + OUString aRetval(convert(rCandidate, aNewline, aNewline, true)); + + // convert tab to space + aRetval = convert(aRetval, aTab, aSpace, false); + + // strip of all leading and trailing spaces + aRetval = aRetval.trim(); + + // consolidate contiguous space + aRetval = consolidateContiguousSpace(aRetval); + + return aRetval; + } + + OUString whiteSpaceHandlingPreserve(const OUString& rCandidate) + { + const sal_Unicode aNewline('\n'); + const sal_Unicode aTab('\t'); + const sal_Unicode aSpace(' '); + + // convert newline to space + convert(rCandidate, aNewline, aSpace, false); + + // convert tab to space + convert(rCandidate, aTab, aSpace, false); + + return rCandidate; + } + + ::std::vector< double > solveSvgNumberVector(const SvgNumberVector& rInput, const InfoProvider& rInfoProvider) + { + ::std::vector< double > aRetval; + + if(!rInput.empty()) + { + const double nCount(rInput.size()); + aRetval.reserve(nCount); + + for(sal_uInt32 a(0); a < nCount; a++) + { + aRetval.push_back(rInput[a].solve(rInfoProvider)); + } + } + + return aRetval; + } + +} // end of namespace svgio::svgreader + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |