| /************************************************************** |
| * |
| * 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/svgimagenode.hxx> |
| #include <svgio/svgreader/svgdocument.hxx> |
| #include <sax/tools/converter.hxx> |
| #include <tools/stream.hxx> |
| #include <vcl/bitmapex.hxx> |
| #include <svtools/filter.hxx> |
| #include <basegfx/matrix/b2dhommatrixtools.hxx> |
| #include <drawinglayer/primitive2d/bitmapprimitive2d.hxx> |
| #include <drawinglayer/primitive2d/groupprimitive2d.hxx> |
| #include <drawinglayer/primitive2d/transformprimitive2d.hxx> |
| #include <drawinglayer/primitive2d/maskprimitive2d.hxx> |
| #include <basegfx/polygon/b2dpolygontools.hxx> |
| #include <basegfx/polygon/b2dpolygon.hxx> |
| #include <rtl/uri.hxx> |
| #include <drawinglayer/geometry/viewinformation2d.hxx> |
| |
| ////////////////////////////////////////////////////////////////////////////// |
| |
| namespace svgio |
| { |
| namespace svgreader |
| { |
| SvgImageNode::SvgImageNode( |
| SvgDocument& rDocument, |
| SvgNode* pParent) |
| : SvgNode(SVGTokenRect, rDocument, pParent), |
| maSvgStyleAttributes(*this), |
| maSvgAspectRatio(), |
| mpaTransform(0), |
| maX(0), |
| maY(0), |
| maWidth(0), |
| maHeight(0), |
| maXLink(), |
| maUrl(), |
| maMimeType(), |
| maData() |
| { |
| } |
| |
| SvgImageNode::~SvgImageNode() |
| { |
| if(mpaTransform) delete mpaTransform; |
| } |
| |
| const SvgStyleAttributes* SvgImageNode::getSvgStyleAttributes() const |
| { |
| static rtl::OUString aClassStr(rtl::OUString::createFromAscii("image")); |
| |
| return checkForCssStyle(aClassStr, maSvgStyleAttributes); |
| } |
| |
| void SvgImageNode::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 SVGTokenPreserveAspectRatio: |
| { |
| setSvgAspectRatio(readSvgAspectRatio(aContent)); |
| break; |
| } |
| case SVGTokenTransform: |
| { |
| const basegfx::B2DHomMatrix aMatrix(readTransform(aContent, *this)); |
| |
| if(!aMatrix.isIdentity()) |
| { |
| setTransform(&aMatrix); |
| } |
| break; |
| } |
| case SVGTokenX: |
| { |
| SvgNumber aNum; |
| |
| if(readSingleNumber(aContent, aNum)) |
| { |
| setX(aNum); |
| } |
| break; |
| } |
| case SVGTokenY: |
| { |
| SvgNumber aNum; |
| |
| if(readSingleNumber(aContent, aNum)) |
| { |
| setY(aNum); |
| } |
| break; |
| } |
| case SVGTokenWidth: |
| { |
| SvgNumber aNum; |
| |
| if(readSingleNumber(aContent, aNum)) |
| { |
| if(aNum.isPositive()) |
| { |
| setWidth(aNum); |
| } |
| } |
| break; |
| } |
| case SVGTokenHeight: |
| { |
| SvgNumber aNum; |
| |
| if(readSingleNumber(aContent, aNum)) |
| { |
| if(aNum.isPositive()) |
| { |
| setHeight(aNum); |
| } |
| } |
| break; |
| } |
| case SVGTokenXlinkHref: |
| { |
| const sal_Int32 nLen(aContent.getLength()); |
| |
| if(nLen) |
| { |
| readImageLink(aContent, maXLink, maUrl, maMimeType, maData); |
| } |
| break; |
| } |
| default: |
| { |
| break; |
| } |
| } |
| } |
| |
| void extractFromGraphic( |
| const Graphic& rGraphic, |
| drawinglayer::primitive2d::Primitive2DSequence& rEmbedded, |
| basegfx::B2DRange& rViewBox, |
| BitmapEx& rBitmapEx) |
| { |
| if(GRAPHIC_BITMAP == rGraphic.GetType()) |
| { |
| if(rGraphic.getSvgData().get()) |
| { |
| // embedded Svg |
| rEmbedded = rGraphic.getSvgData()->getPrimitive2DSequence(); |
| |
| // fill aViewBox |
| rViewBox = rGraphic.getSvgData()->getRange(); |
| } |
| else |
| { |
| // get bitmap |
| rBitmapEx = rGraphic.GetBitmapEx(); |
| } |
| } |
| else |
| { |
| // evtl. convert to bitmap |
| rBitmapEx = rGraphic.GetBitmapEx(); |
| } |
| } |
| |
| void SvgImageNode::decomposeSvgNode(drawinglayer::primitive2d::Primitive2DSequence& rTarget, bool /*bReferenced*/) const |
| { |
| // get size range and create path |
| const SvgStyleAttributes* pStyle = getSvgStyleAttributes(); |
| |
| if(pStyle && getWidth().isSet() && getHeight().isSet()) |
| { |
| const double fWidth(getWidth().solve(*this, xcoordinate)); |
| const double fHeight(getHeight().solve(*this, ycoordinate)); |
| |
| if(fWidth > 0.0 && fHeight > 0.0) |
| { |
| BitmapEx aBitmapEx; |
| drawinglayer::primitive2d::Primitive2DSequence aNewTarget; |
| |
| // prepare Target and ViewBox for evtl. AspectRatio mappings |
| const double fX(getX().isSet() ? getX().solve(*this, xcoordinate) : 0.0); |
| const double fY(getY().isSet() ? getY().solve(*this, ycoordinate) : 0.0); |
| const basegfx::B2DRange aTarget(fX, fY, fX + fWidth, fY + fHeight); |
| basegfx::B2DRange aViewBox(aTarget); |
| |
| if(maMimeType.getLength() && maData.getLength()) |
| { |
| // use embedded base64 encoded data |
| ::com::sun::star::uno::Sequence< sal_Int8 > aPass; |
| ::sax::Converter::decodeBase64(aPass, maData); |
| |
| if(aPass.hasElements()) |
| { |
| SvMemoryStream aStream(aPass.getArray(), aPass.getLength(), STREAM_READ); |
| Graphic aGraphic; |
| |
| if(GRFILTER_OK == GraphicFilter::GetGraphicFilter()->ImportGraphic( |
| aGraphic, |
| String(), |
| aStream)) |
| { |
| extractFromGraphic(aGraphic, aNewTarget, aViewBox, aBitmapEx); |
| } |
| } |
| } |
| else if(maUrl.getLength()) |
| { |
| const rtl::OUString& rPath = getDocument().getAbsolutePath(); |
| |
| if(rPath.getLength()) |
| { |
| const rtl::OUString aAbsUrl(rtl::Uri::convertRelToAbs(rPath, maUrl)); |
| |
| if(aAbsUrl.getLength()) |
| { |
| SvFileStream aStream(aAbsUrl, STREAM_STD_READ); |
| Graphic aGraphic; |
| |
| if(GRFILTER_OK == GraphicFilter::GetGraphicFilter()->ImportGraphic( |
| aGraphic, |
| aAbsUrl, |
| aStream)) |
| { |
| extractFromGraphic(aGraphic, aNewTarget, aViewBox, aBitmapEx); |
| } |
| } |
| } |
| else |
| { |
| // #123042# detect missing path and assert - content will be missing. The |
| // absolute path to itself needs to be set to correctly import linked |
| // content in a SVG file |
| OSL_ENSURE(false, "SVG graphic with internal links is interpreted, but local AbsolutePath is not set: linked content will be missing (!)"); |
| } |
| } |
| else if(maXLink.getLength()) |
| { |
| const SvgNode* mpXLink = getDocument().findSvgNodeById(maXLink); |
| |
| if(mpXLink && Display_none != mpXLink->getDisplay()) |
| { |
| mpXLink->decomposeSvgNode(aNewTarget, true); |
| |
| if(aNewTarget.hasElements()) |
| { |
| aViewBox = drawinglayer::primitive2d::getB2DRangeFromPrimitive2DSequence( |
| aNewTarget, |
| drawinglayer::geometry::ViewInformation2D()); |
| } |
| } |
| } |
| |
| if(!aBitmapEx.IsEmpty()) |
| { |
| // create content from created bitmap |
| aNewTarget.realloc(1); |
| aNewTarget[0] = new drawinglayer::primitive2d::BitmapPrimitive2D( |
| aBitmapEx, |
| basegfx::B2DHomMatrix()); |
| |
| // fill aViewBox. No size set yet, use unit size |
| aViewBox = basegfx::B2DRange(0.0, 0.0, 1.0, 1.0); |
| } |
| |
| if(aNewTarget.hasElements()) |
| { |
| if(aTarget.equal(aViewBox)) |
| { |
| // just add to rTarget |
| drawinglayer::primitive2d::appendPrimitive2DSequenceToPrimitive2DSequence(rTarget, aNewTarget); |
| } |
| else |
| { |
| // create mapping |
| const SvgAspectRatio& rRatio = getSvgAspectRatio(); |
| |
| if(rRatio.isSet()) |
| { |
| // let mapping be created from SvgAspectRatio |
| const basegfx::B2DHomMatrix aEmbeddingTransform(rRatio.createMapping(aTarget, aViewBox)); |
| |
| if(!aEmbeddingTransform.isIdentity()) |
| { |
| const drawinglayer::primitive2d::Primitive2DReference xRef( |
| new drawinglayer::primitive2d::TransformPrimitive2D( |
| aEmbeddingTransform, |
| aNewTarget)); |
| |
| aNewTarget = drawinglayer::primitive2d::Primitive2DSequence(&xRef, 1); |
| } |
| |
| if(!rRatio.isMeetOrSlice()) |
| { |
| // need to embed in MaskPrimitive2D to ensure clipping |
| const drawinglayer::primitive2d::Primitive2DReference xMask( |
| new drawinglayer::primitive2d::MaskPrimitive2D( |
| basegfx::B2DPolyPolygon( |
| basegfx::tools::createPolygonFromRect(aTarget)), |
| aNewTarget)); |
| |
| aNewTarget = drawinglayer::primitive2d::Primitive2DSequence(&xMask, 1); |
| } |
| } |
| else |
| { |
| // choose default mapping |
| const basegfx::B2DHomMatrix aEmbeddingTransform(rRatio.createLinearMapping(aTarget, aViewBox)); |
| |
| if(!aEmbeddingTransform.isIdentity()) |
| { |
| const drawinglayer::primitive2d::Primitive2DReference xRef( |
| new drawinglayer::primitive2d::TransformPrimitive2D( |
| aEmbeddingTransform, |
| aNewTarget)); |
| |
| aNewTarget = drawinglayer::primitive2d::Primitive2DSequence(&xRef, 1); |
| } |
| } |
| |
| // embed and add to rTarget, take local extra-transform into account |
| pStyle->add_postProcess(rTarget, aNewTarget, getTransform()); |
| } |
| } |
| } |
| } |
| } |
| |
| } // end of namespace svgreader |
| } // end of namespace svgio |
| |
| ////////////////////////////////////////////////////////////////////////////// |
| // eof |
