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|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <svgio/svgreader/svgtools.hxx>
#include <osl/thread.h>
#include <tools/color.hxx>
#include <basegfx/matrix/b2dhommatrix.hxx>
#include <basegfx/matrix/b2dhommatrixtools.hxx>
#include <svgio/svgreader/svgtoken.hxx>
#include <unordered_map>
namespace svgio
{
namespace svgreader
{
#ifdef DBG_UTIL
void myAssert(const OUString& rMessage)
{
OString aMessage2;
rMessage.convertToString(&aMessage2, osl_getThreadTextEncoding(), RTL_UNICODETOTEXT_FLAGS_UNDEFINED_ERROR|RTL_UNICODETOTEXT_FLAGS_INVALID_ERROR);
OSL_ENSURE(false, aMessage2.getStr());
}
#endif
// 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;
}
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:
{
return solveNonPercentage( rInfoProvider);
}
case Unit_percent:
{
double fRetval(mfNumber * 0.01);
basegfx::B2DRange aViewPort = rInfoProvider.getCurrentViewPort();
if ( aViewPort.isEmpty() )
{
#ifdef DBG_UTIL
myAssert("Design error, this case should have been handled in the caller");
#endif
// 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, const sal_Unicode& rChar, sal_Int32& nPos, const sal_Int32 nLen)
{
while(nPos < nLen && rChar == rCandidate[nPos])
{
nPos++;
}
}
void skip_char(const OUString& rCandidate, const sal_Unicode& rCharA, const sal_Unicode& rCharB, sal_Int32& nPos, const sal_Int32 nLen)
{
while(nPos < nLen && (rCharA == rCandidate[nPos] || rCharB == 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, const sal_Unicode& rLimiter, sal_Int32& nPos, OUStringBuffer& rTarget, const sal_Int32 nLen)
{
while(nPos < nLen && rLimiter != 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 sal_Unicode('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 sal_Unicode('p') :
{
if('x' == aCharB)
{
// 'px' UserUnit (default)
bTwoCharValid = true;
}
else if('t' == aCharB)
{
// 'pt' == 1.25 px
aRetval = Unit_pt;
bTwoCharValid = true;
}
else if('c' == aCharB)
{
// 'pc' == 15 px
aRetval = Unit_pc;
bTwoCharValid = true;
}
break;
}
case sal_Unicode('i') :
{
if('n' == aCharB)
{
// 'in' == 90 px
aRetval = Unit_in;
bTwoCharValid = true;
}
break;
}
case sal_Unicode('c') :
{
if('m' == aCharB)
{
// 'cm' == 35.43307 px
aRetval = Unit_cm;
bTwoCharValid = true;
}
break;
}
case sal_Unicode('m') :
{
if('m' == aCharB)
{
// 'mm' == 3.543307 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 sal_Unicode('g') :
case sal_Unicode('G') :
{
if(rCandidate.matchIgnoreAsciiCase(aStrGrad, nPos))
{
// angle in grad
nPos += strlen(aStrGrad);
aType = grad;
}
break;
}
case sal_Unicode('r') :
case sal_Unicode('R') :
{
if(rCandidate.matchIgnoreAsciiCase(aStrRad, nPos))
{
// angle in radians
nPos += strlen(aStrRad);
aType = rad;
}
break;
}
}
}
// convert to radians
if(deg == aType)
{
fAngle *= F_PI / 180.0;
}
else if(grad == aType)
{
// looks like 100 grad is 90 degrees
fAngle *= F_PI / 200.0;
}
return true;
}
return false;
}
sal_Int32 read_hex(const sal_Unicode& rChar)
{
if(rChar >= '0' && rChar <= '9')
{
return sal_Int32(rChar - sal_Unicode('0'));
}
else if(rChar >= 'A' && rChar <= 'F')
{
return 10 + sal_Int32(rChar - sal_Unicode('A'));
}
else if(rChar >= 'a' && rChar <= 'f')
{
return 10 + sal_Int32(rChar - sal_Unicode('a'));
}
else
{
// error
return 0;
}
}
bool match_colorKeyword(basegfx::BColor& rColor, const OUString& rName, bool bCaseIndependent)
{
typedef std::unordered_map< OUString, Color,
OUStringHash,
::std::equal_to< OUString >
> ColorTokenMapper;
typedef std::pair< OUString, Color > ColorTokenValueType;
ColorTokenMapper aColorTokenMapperList;
if(aColorTokenMapperList.empty())
{
aColorTokenMapperList.insert(ColorTokenValueType(OUString("aliceblue"), Color(240, 248, 255)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("antiquewhite"), Color(250, 235, 215)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("aqua"), Color( 0, 255, 255)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("aquamarine"), Color(127, 255, 212)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("azure"), Color(240, 255, 255)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("beige"), Color(245, 245, 220)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("bisque"), Color(255, 228, 196)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("black"), Color( 0, 0, 0)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("blanchedalmond"), Color(255, 235, 205)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("blue"), Color( 0, 0, 255)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("blueviolet"), Color(138, 43, 226)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("brown"), Color(165, 42, 42)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("burlywood"), Color(222, 184, 135)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("cadetblue"), Color( 95, 158, 160)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("chartreuse"), Color(127, 255, 0)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("chocolate"), Color(210, 105, 30)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("coral"), Color(255, 127, 80)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("cornflowerblue"), Color(100, 149, 237)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("cornsilk"), Color(255, 248, 220)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("crimson"), Color(220, 20, 60)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("cyan"), Color( 0, 255, 255)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("darkblue"), Color( 0, 0, 139)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("darkcyan"), Color( 0, 139, 139)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("darkgoldenrod"), Color(184, 134, 11)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("darkgray"), Color(169, 169, 169)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("darkgreen"), Color( 0, 100, 0)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("darkgrey"), Color(169, 169, 169)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("darkkhaki"), Color(189, 183, 107)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("darkmagenta"), Color(139, 0, 139)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("darkolivegreen"), Color( 85, 107, 47)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("darkorange"), Color(255, 140, 0)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("darkorchid"), Color(153, 50, 204)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("darkred"), Color(139, 0, 0)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("darksalmon"), Color(233, 150, 122)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("darkseagreen"), Color(143, 188, 143)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("darkslateblue"), Color( 72, 61, 139)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("darkslategray"), Color( 47, 79, 79)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("darkslategrey"), Color( 47, 79, 79)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("darkturquoise"), Color( 0, 206, 209)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("darkviolet"), Color(148, 0, 211)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("deeppink"), Color(255, 20, 147)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("deepskyblue"), Color( 0, 191, 255)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("dimgray"), Color(105, 105, 105)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("dimgrey"), Color(105, 105, 105)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("dodgerblue"), Color( 30, 144, 255)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("firebrick"), Color(178, 34, 34)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("floralwhite"), Color(255, 250, 240)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("forestgreen"), Color( 34, 139, 34)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("fuchsia"), Color(255, 0, 255)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("gainsboro"), Color(220, 220, 220)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("ghostwhite"), Color(248, 248, 255)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("gold"), Color(255, 215, 0)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("goldenrod"), Color(218, 165, 32)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("gray"), Color(128, 128, 128)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("grey"), Color(128, 128, 128)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("green"), Color(0, 128, 0)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("greenyellow"), Color(173, 255, 47)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("honeydew"), Color(240, 255, 240)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("hotpink"), Color(255, 105, 180)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("indianred"), Color(205, 92, 92)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("indigo"), Color( 75, 0, 130)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("ivory"), Color(255, 255, 240)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("khaki"), Color(240, 230, 140)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("lavender"), Color(230, 230, 250)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("lavenderblush"), Color(255, 240, 245)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("lawngreen"), Color(124, 252, 0)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("lemonchiffon"), Color(255, 250, 205)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("lightblue"), Color(173, 216, 230)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("lightcoral"), Color(240, 128, 128)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("lightcyan"), Color(224, 255, 255)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("lightgoldenrodyellow"), Color(250, 250, 210)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("lightgray"), Color(211, 211, 211)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("lightgreen"), Color(144, 238, 144)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("lightgrey"), Color(211, 211, 211)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("lightpink"), Color(255, 182, 193)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("lightsalmon"), Color(255, 160, 122)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("lightseagreen"), Color( 32, 178, 170)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("lightskyblue"), Color(135, 206, 250)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("lightslategray"), Color(119, 136, 153)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("lightslategrey"), Color(119, 136, 153)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("lightsteelblue"), Color(176, 196, 222)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("lightyellow"), Color(255, 255, 224)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("lime"), Color( 0, 255, 0)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("limegreen"), Color( 50, 205, 50)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("linen"), Color(250, 240, 230)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("magenta"), Color(255, 0, 255)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("maroon"), Color(128, 0, 0)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("mediumaquamarine"), Color(102, 205, 170)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("mediumblue"), Color( 0, 0, 205)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("mediumorchid"), Color(186, 85, 211)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("mediumpurple"), Color(147, 112, 219)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("mediumseagreen"), Color( 60, 179, 113)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("mediumslateblue"), Color(123, 104, 238)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("mediumspringgreen"), Color( 0, 250, 154)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("mediumturquoise"), Color( 72, 209, 204)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("mediumvioletred"), Color(199, 21, 133)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("midnightblue"), Color( 25, 25, 112)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("mintcream"), Color(245, 255, 250)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("mistyrose"), Color(255, 228, 225)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("moccasin"), Color(255, 228, 181)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("navajowhite"), Color(255, 222, 173)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("navy"), Color( 0, 0, 128)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("oldlace"), Color(253, 245, 230)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("olive"), Color(128, 128, 0)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("olivedrab"), Color(107, 142, 35)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("orange"), Color(255, 165, 0)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("orangered"), Color(255, 69, 0)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("orchid"), Color(218, 112, 214)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("palegoldenrod"), Color(238, 232, 170)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("palegreen"), Color(152, 251, 152)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("paleturquoise"), Color(175, 238, 238)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("palevioletred"), Color(219, 112, 147)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("papayawhip"), Color(255, 239, 213)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("peachpuff"), Color(255, 218, 185)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("peru"), Color(205, 133, 63)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("pink"), Color(255, 192, 203)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("plum"), Color(221, 160, 221)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("powderblue"), Color(176, 224, 230)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("purple"), Color(128, 0, 128)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("red"), Color(255, 0, 0)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("rosybrown"), Color(188, 143, 143)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("royalblue"), Color( 65, 105, 225)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("saddlebrown"), Color(139, 69, 19)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("salmon"), Color(250, 128, 114)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("sandybrown"), Color(244, 164, 96)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("seagreen"), Color( 46, 139, 87)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("seashell"), Color(255, 245, 238)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("sienna"), Color(160, 82, 45)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("silver"), Color(192, 192, 192)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("skyblue"), Color(135, 206, 235)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("slateblue"), Color(106, 90, 205)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("slategray"), Color(112, 128, 144)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("slategrey"), Color(112, 128, 144)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("snow"), Color(255, 250, 250)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("springgreen"), Color( 0, 255, 127)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("steelblue"), Color( 70, 130, 180)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("tan"), Color(210, 180, 140)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("teal"), Color( 0, 128, 128)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("thistle"), Color(216, 191, 216)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("tomato"), Color(255, 99, 71)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("turquoise"), Color( 64, 224, 208)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("violet"), Color(238, 130, 238)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("wheat"), Color(245, 222, 179)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("white"), Color(255, 255, 255)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("whitesmoke"), Color(245, 245, 245)));
aColorTokenMapperList.insert(ColorTokenValueType(OUString("yellow"), Color(255, 255, 0)));
aColorTokenMapperList.insert(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& 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& 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 sal_Unicode('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 sal_Unicode('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::tools::createTranslateB2DHomMatrix(
aTransX.solve(rInfoProvider, xcoordinate),
aTransY.solve(rInfoProvider, ycoordinate));
}
}
break;
}
case sal_Unicode('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::tools::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::tools::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::tools::createShearYB2DHomMatrix(tan(fSkewY));
}
}
break;
}
case sal_Unicode('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::tools::createRotateAroundPoint(fX, fY, fAngle);
}
else
{
// rotate
aMatrix = aMatrix * basegfx::tools::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)
{
static const char aStrImage[] = "image";
if(rMimeType.match(aStrImage, 0))
{
// image data
OUString aData(rCandidate.copy(nPos));
static const char aStrBase64[] = "base64";
if(aData.match(aStrBase64, 0))
{
// 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, const sal_Unicode& rPattern, const sal_Unicode& rNew, 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(rPattern == aChar)
{
bChanged = true;
if(!bRemove)
{
aBuffer.append(rNew);
}
}
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
OUString aRetval(convert(rCandidate, aNewline, aSpace, false));
// convert tab to space
aRetval = 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 svgreader
} // end of namespace svgio
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