/**************************************************************
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_svgio.hxx"
#include <svgio/svgreader/svggradientnode.hxx>
#include <svgio/svgreader/svgdocument.hxx>
#include <svgio/svgreader/svggradientstopnode.hxx>
//////////////////////////////////////////////////////////////////////////////
namespace svgio
{
namespace svgreader
{
void SvgGradientNode::tryToFindLink()
{
if(!mpXLink && maXLink.getLength())
{
mpXLink = dynamic_cast< const SvgGradientNode* >(getDocument().findSvgNodeById(maXLink));
}
}
SvgGradientNode::SvgGradientNode(
SVGToken aType,
SvgDocument& rDocument,
SvgNode* pParent)
: SvgNode(aType, rDocument, pParent),
maSvgStyleAttributes(*this),
maX1(),
maY1(),
maX2(),
maY2(),
maCx(),
maCy(),
maR(),
maFx(),
maFy(),
maGradientUnits(objectBoundingBox),
maSpreadMethod(drawinglayer::primitive2d::Spread_pad),
mpaGradientTransform(0),
maXLink(),
mpXLink(0)
{
OSL_ENSURE(aType == SVGTokenLinearGradient || aType == SVGTokenRadialGradient, "SvgGradientNode should ony be used for Linear and Radial gradient (!)");
}
SvgGradientNode::~SvgGradientNode()
{
if(mpaGradientTransform) delete mpaGradientTransform;
// do NOT delete mpXLink, it's only referenced, not owned
}
const SvgStyleAttributes* SvgGradientNode::getSvgStyleAttributes() const
{
return &maSvgStyleAttributes;
}
void SvgGradientNode::parseAttribute(const rtl::OUString& rTokenName, SVGToken aSVGToken, const rtl::OUString& aContent)
{
// call parent
SvgNode::parseAttribute(rTokenName, aSVGToken, aContent);
// read style attributes
maSvgStyleAttributes.parseStyleAttribute(rTokenName, aSVGToken, aContent);
// parse own
switch(aSVGToken)
{
case SVGTokenStyle:
{
maSvgStyleAttributes.readStyle(aContent);
break;
}
case SVGTokenX1:
{
SvgNumber aNum;
if(readSingleNumber(aContent, aNum))
{
setX1(aNum);
}
break;
}
case SVGTokenY1:
{
SvgNumber aNum;
if(readSingleNumber(aContent, aNum))
{
setY1(aNum);
}
break;
}
case SVGTokenX2:
{
SvgNumber aNum;
if(readSingleNumber(aContent, aNum))
{
setX2(aNum);
}
break;
}
case SVGTokenY2:
{
SvgNumber aNum;
if(readSingleNumber(aContent, aNum))
{
setY2(aNum);
}
break;
}
case SVGTokenCx:
{
SvgNumber aNum;
if(readSingleNumber(aContent, aNum))
{
setCx(aNum);
}
break;
}
case SVGTokenCy:
{
SvgNumber aNum;
if(readSingleNumber(aContent, aNum))
{
setCy(aNum);
}
break;
}
case SVGTokenFx:
{
SvgNumber aNum;
if(readSingleNumber(aContent, aNum))
{
setFx(aNum);
}
break;
}
case SVGTokenFy:
{
SvgNumber aNum;
if(readSingleNumber(aContent, aNum))
{
setFy(aNum);
}
break;
}
case SVGTokenR:
{
SvgNumber aNum;
if(readSingleNumber(aContent, aNum))
{
if(aNum.isPositive())
{
setR(aNum);
}
}
break;
}
case SVGTokenGradientUnits:
{
if(aContent.getLength())
{
if(aContent.match(commonStrings::aStrUserSpaceOnUse, 0))
{
setGradientUnits(userSpaceOnUse);
}
else if(aContent.match(commonStrings::aStrObjectBoundingBox, 0))
{
setGradientUnits(objectBoundingBox);
}
}
break;
}
case SVGTokenSpreadMethod:
{
if(aContent.getLength())
{
static rtl::OUString aStrPad(rtl::OUString::createFromAscii("pad"));
static rtl::OUString aStrReflect(rtl::OUString::createFromAscii("reflect"));
static rtl::OUString aStrRepeat(rtl::OUString::createFromAscii("repeat"));
if(aContent.match(aStrPad, 0))
{
setSpreadMethod(drawinglayer::primitive2d::Spread_pad);
}
else if(aContent.match(aStrReflect, 0))
{
setSpreadMethod(drawinglayer::primitive2d::Spread_reflect);
}
else if(aContent.match(aStrRepeat, 0))
{
setSpreadMethod(drawinglayer::primitive2d::Spread_repeat);
}
}
break;
}
case SVGTokenGradientTransform:
{
const basegfx::B2DHomMatrix aMatrix(readTransform(aContent, *this));
if(!aMatrix.isIdentity())
{
setGradientTransform(&aMatrix);
}
break;
}
case SVGTokenXlinkHref:
{
const sal_Int32 nLen(aContent.getLength());
if(nLen && sal_Unicode('#') == aContent[0])
{
maXLink = aContent.copy(1);
tryToFindLink();
}
break;
}
default:
{
break;
}
}
}
void SvgGradientNode::collectGradientEntries(drawinglayer::primitive2d::SvgGradientEntryVector& aVector) const
{
if(getChildren().empty())
{
const_cast< SvgGradientNode* >(this)->tryToFindLink();
if(mpXLink)
{
mpXLink->collectGradientEntries(aVector);
}
}
else
{
const sal_uInt32 nCount(getChildren().size());
for(sal_uInt32 a(0); a < nCount; a++)
{
const SvgGradientStopNode* pCandidate = dynamic_cast< const SvgGradientStopNode* >(getChildren()[a]);
if(pCandidate)
{
const SvgStyleAttributes* pStyle = pCandidate->getSvgStyleAttributes();
if(pStyle)
{
const SvgNumber aOffset(pCandidate->getOffset());
double fOffset(0.0);
if(Unit_percent == aOffset.getUnit())
{
// percent is not relative to distances in ColorStop context, solve locally
fOffset = aOffset.getNumber() * 0.01;
}
else
{
fOffset = aOffset.solve(*this);
}
if(fOffset < 0.0)
{
OSL_ENSURE(false, "OOps, SvgGradientStopNode with offset out of range (!)");
fOffset = 0.0;
}
else if(fOffset > 1.0)
{
OSL_ENSURE(false, "OOps, SvgGradientStopNode with offset out of range (!)");
fOffset = 1.0;
}
aVector.push_back(
drawinglayer::primitive2d::SvgGradientEntry(
fOffset,
pStyle->getStopColor(),
pStyle->getStopOpacity().solve(*this)));
}
else
{
OSL_ENSURE(false, "OOps, SvgGradientStopNode without Style (!)");
}
}
}
}
}
const SvgNumber SvgGradientNode::getX1() const
{
if(maX1.isSet())
{
return maX1;
}
const_cast< SvgGradientNode* >(this)->tryToFindLink();
if(mpXLink)
{
return mpXLink->getX1();
}
// default is 0%
return SvgNumber(0.0, Unit_percent);
}
const SvgNumber SvgGradientNode::getY1() const
{
if(maY1.isSet())
{
return maY1;
}
const_cast< SvgGradientNode* >(this)->tryToFindLink();
if(mpXLink)
{
return mpXLink->getY1();
}
// default is 0%
return SvgNumber(0.0, Unit_percent);
}
const SvgNumber SvgGradientNode::getX2() const
{
if(maX2.isSet())
{
return maX2;
}
const_cast< SvgGradientNode* >(this)->tryToFindLink();
if(mpXLink)
{
return mpXLink->getX2();
}
// default is 100%
return SvgNumber(100.0, Unit_percent);
}
const SvgNumber SvgGradientNode::getY2() const
{
if(maY2.isSet())
{
return maY2;
}
const_cast< SvgGradientNode* >(this)->tryToFindLink();
if(mpXLink)
{
return mpXLink->getY2();
}
// default is 0%
return SvgNumber(0.0, Unit_percent);
}
const SvgNumber SvgGradientNode::getCx() const
{
if(maCx.isSet())
{
return maCx;
}
const_cast< SvgGradientNode* >(this)->tryToFindLink();
if(mpXLink)
{
return mpXLink->getCx();
}
// default is 50%
return SvgNumber(50.0, Unit_percent);
}
const SvgNumber SvgGradientNode::getCy() const
{
if(maCy.isSet())
{
return maCy;
}
const_cast< SvgGradientNode* >(this)->tryToFindLink();
if(mpXLink)
{
return mpXLink->getCy();
}
// default is 50%
return SvgNumber(50.0, Unit_percent);
}
const SvgNumber SvgGradientNode::getR() const
{
if(maR.isSet())
{
return maR;
}
const_cast< SvgGradientNode* >(this)->tryToFindLink();
if(mpXLink)
{
return mpXLink->getR();
}
// default is 50%
return SvgNumber(50.0, Unit_percent);
}
const SvgNumber* SvgGradientNode::getFx() const
{
if(maFx.isSet())
{
return &maFx;
}
const_cast< SvgGradientNode* >(this)->tryToFindLink();
if(mpXLink)
{
return mpXLink->getFx();
}
return 0;
}
const SvgNumber* SvgGradientNode::getFy() const
{
if(maFy.isSet())
{
return &maFy;
}
const_cast< SvgGradientNode* >(this)->tryToFindLink();
if(mpXLink)
{
return mpXLink->getFy();
}
return 0;
}
const basegfx::B2DHomMatrix* SvgGradientNode::getGradientTransform() const
{
if(mpaGradientTransform)
{
return mpaGradientTransform;
}
const_cast< SvgGradientNode* >(this)->tryToFindLink();
if(mpXLink)
{
return mpXLink->getGradientTransform();
}
return 0;
}
void SvgGradientNode::setGradientTransform(const basegfx::B2DHomMatrix* pMatrix)
{
if(mpaGradientTransform)
{
delete mpaGradientTransform;
mpaGradientTransform = 0;
}
if(pMatrix)
{
mpaGradientTransform = new basegfx::B2DHomMatrix(*pMatrix);
}
}
} // end of namespace svgreader
} // end of namespace svgio
//////////////////////////////////////////////////////////////////////////////
// eof