/* -*- 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 #include #include #include #include #include #include #include #include namespace svgio::svgreader { 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(SvgAlign::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 SvgAlign::xMidYMin: case SvgAlign::xMidYMid: case SvgAlign::xMidYMax: { // centerX const double fFreeSpace(rTarget.getWidth() - fNewWidth); fTransX = fFreeSpace * 0.5; break; } case SvgAlign::xMaxYMin: case SvgAlign::xMaxYMid: case SvgAlign::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 SvgAlign::xMinYMid: case SvgAlign::xMidYMid: case SvgAlign::xMaxYMid: { // centerY const double fFreeSpace(rTarget.getHeight() - fNewHeight); fTransY = fFreeSpace * 0.5; break; } case SvgAlign::xMinYMax: case SvgAlign::xMidYMax: case SvgAlign::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; } void skip_char(std::u16string_view rCandidate, sal_Unicode nChar, sal_Int32& nPos, const sal_Int32 nLen) { while(nPos < nLen && nChar == rCandidate[nPos]) { nPos++; } } void skip_char(std::u16string_view 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(std::u16string_view 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(std::u16string_view 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(std::u16string_view 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(std::u16string_view 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(std::u16string_view 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(std::u16string_view 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, '.', ',', &eStatus); return eStatus == rtl_math_ConversionStatus_Ok; } } return false; } SvgUnit readUnit(std::u16string_view rCandidate, sal_Int32& nPos, const sal_Int32 nLen) { SvgUnit aRetval(SvgUnit::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 = SvgUnit::em; bTwoCharValid = true; } else if('x' == aCharB) { // 'ex' Relative to current font x-height aRetval = SvgUnit::ex; bTwoCharValid = true; } break; } case u'p' : { if('x' == aCharB) { // 'px' UserUnit (default) bTwoCharValid = true; } else if('t' == aCharB) { // 'pt' == 4/3 px aRetval = SvgUnit::pt; bTwoCharValid = true; } else if('c' == aCharB) { // 'pc' == 16 px aRetval = SvgUnit::pc; bTwoCharValid = true; } break; } case u'i' : { if('n' == aCharB) { // 'in' == 96 px, since CSS 2.1 aRetval = SvgUnit::in; bTwoCharValid = true; } break; } case u'c' : { if('m' == aCharB) { // 'cm' == 37.79527559 px aRetval = SvgUnit::cm; bTwoCharValid = true; } break; } case u'm' : { if('m' == aCharB) { // 'mm' == 3.779528 px aRetval = SvgUnit::mm; bTwoCharValid = true; } break; } } if(bTwoCharValid) { nPos += 2; } } else { if('%' == aCharA) { // percent used, relative to current nPos++; aRetval = SvgUnit::percent; } } } return aRetval; } bool readNumberAndUnit(std::u16string_view 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(std::u16string_view rCandidate, sal_Int32& nPos, double& fAngle, const sal_Int32 nLen) { if(readNumber(rCandidate, nPos, fAngle, nLen)) { skip_char(rCandidate, ' ', nPos, nLen); enum class DegreeType { deg, grad, rad } aType(DegreeType::deg); // degrees is default if(nPos < nLen) { const sal_Unicode aChar(rCandidate[nPos]); static constexpr std::u16string_view aStrGrad = u"grad"; static constexpr std::u16string_view aStrRad = u"rad"; switch(aChar) { case u'g' : case u'G' : { if(o3tl::matchIgnoreAsciiCase(rCandidate, aStrGrad, nPos)) { // angle in grad nPos += aStrGrad.size(); aType = DegreeType::grad; } break; } case u'r' : case u'R' : { if(o3tl::matchIgnoreAsciiCase(rCandidate, aStrRad, nPos)) { // angle in radians nPos += aStrRad.size(); aType = DegreeType::rad; } break; } } } // convert to radians if (DegreeType::deg == aType) { fAngle = basegfx::deg2rad(fAngle); } else if (DegreeType::grad == aType) { // looks like 100 grad is 90 degrees fAngle *= M_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) { 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.toAsciiLowerCase().trim())); if(aResult == aColorTokenMapperList.end()) { return false; } else { rColor = aResult->second.getBColor(); return true; } } bool read_color(const OUString& rCandidate, basegfx::BColor& rColor, 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)) { 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, NumberType::xcoordinate)); double fY(aMinY.solve(rInfoProvider, NumberType::ycoordinate)); double fW(aWidth.solve(rInfoProvider, NumberType::xcoordinate)); double fH(aHeight.solve(rInfoProvider, NumberType::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, NumberType::xcoordinate)); // Element E skip_char(rCandidate, ' ', ',', nPos, nLen); if(readNumberAndUnit(rCandidate, nPos, aVal, nLen)) { aNew.set(1, 2, aVal.solve(rInfoProvider, NumberType::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, NumberType::xcoordinate), aTransY.solve(rInfoProvider, NumberType::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, NumberType::xcoordinate) : 0.0); const double fY(aY.isSet() ? aY.solve(rInfoProvider, NumberType::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) { SAL_WARN("svgio", "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.startsWithIgnoreAsciiCase(aStrUrl)) { const sal_Int32 nLen(rCandidate.getLength()); sal_Int32 nPos(strlen(aStrUrl)); sal_Unicode aLimiter(')'); skip_char(rCandidate, ' ', nPos, nLen); if('"' == rCandidate[nPos]) { aLimiter = '"'; ++nPos; } else if('\'' == rCandidate[nPos]) { aLimiter = '\''; ++nPos; } skip_char(rCandidate, ' ', nPos, nLen); skip_char(rCandidate, '#', nPos, nPos + 1); OUStringBuffer aTokenValue; copyToLimiter(rCandidate, aLimiter, nPos, aTokenValue, nLen); rURL = aTokenValue.makeStringAndClear(); return true; } return false; } bool readSvgPaint(const OUString& rCandidate, SvgPaint& rSvgPaint, OUString& rURL, SvgNumber& rOpacity) { if( !rCandidate.isEmpty() ) { basegfx::BColor aColor; if(read_color(rCandidate, aColor, 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(SvgAlign::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 SVGToken::Defer: { bChanged = true; break; } case SVGToken::None: { aSvgAlign = SvgAlign::none; bChanged = true; break; } case SVGToken::XMinYMin: { aSvgAlign = SvgAlign::xMinYMin; bChanged = true; break; } case SVGToken::XMidYMin: { aSvgAlign = SvgAlign::xMidYMin; bChanged = true; break; } case SVGToken::XMaxYMin: { aSvgAlign = SvgAlign::xMaxYMin; bChanged = true; break; } case SVGToken::XMinYMid: { aSvgAlign = SvgAlign::xMinYMid; bChanged = true; break; } case SVGToken::XMidYMid: { aSvgAlign = SvgAlign::xMidYMid; bChanged = true; break; } case SVGToken::XMaxYMid: { aSvgAlign = SvgAlign::xMaxYMid; bChanged = true; break; } case SVGToken::XMinYMax: { aSvgAlign = SvgAlign::xMinYMax; bChanged = true; break; } case SVGToken::XMidYMax: { aSvgAlign = SvgAlign::xMidYMax; bChanged = true; break; } case SVGToken::XMaxYMax: { aSvgAlign = SvgAlign::xMaxYMax; bChanged = true; break; } case SVGToken::Meet: { bMeetOrSlice = true; bChanged = true; break; } case SVGToken::Slice: { bMeetOrSlice = false; bChanged = true; break; } default: { break; } } } if(nInitPos == nPos) { SAL_WARN("svgio", "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 std::u16string_view aData(rCandidate.subView(nPos)); static constexpr std::u16string_view aStrBase64 = u"base64"; if(o3tl::starts_with(aData, aStrBase64)) { // base64 encoded nPos = aStrBase64.size(); nLen = aData.size(); skip_char(aData, ' ', ',', nPos, nLen); if(nPos < nLen) { rData = aData.substr(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 xmlSpaceHandling(const OUString& rCandidate, bool bIsDefault) { const sal_Unicode aNewline('\n'); const sal_Unicode aTab('\t'); const sal_Unicode aSpace(' '); // remove all newline characters OUString aRetval(convert(rCandidate, aNewline, aSpace, bIsDefault)); // convert tab to space aRetval = convert(aRetval, aTab, aSpace, false); if(bIsDefault) { // strip of all leading and trailing spaces // and consolidate contiguous space aRetval = consolidateContiguousSpace(aRetval.trim()); } return aRetval; } ::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: */