xref: /aoo41x/main/svgio/source/svgreader/svgmarkernode.cxx (revision e2bf1e9d)

/**************************************************************
 *
 * 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/svgmarkernode.hxx>

//////////////////////////////////////////////////////////////////////////////

namespace svgio
{
    namespace svgreader
    {
        SvgMarkerNode::SvgMarkerNode(
            SvgDocument& rDocument,
            SvgNode* pParent)
        :   SvgNode(SVGTokenMarker, rDocument, pParent),
            aPrimitives(),
            maSvgStyleAttributes(*this),
            mpViewBox(0),
            maSvgAspectRatio(),
            maRefX(0),
            maRefY(0),
            maMarkerUnits(strokeWidth),
            maMarkerWidth(3),
            maMarkerHeight(3),
            mfAngle(0.0),
            mbOrientAuto(false)
        {
        }

        SvgMarkerNode::~SvgMarkerNode()
        {
            if(mpViewBox) delete mpViewBox;
        }

        const SvgStyleAttributes* SvgMarkerNode::getSvgStyleAttributes() const
        {
            static rtl::OUString aClassStr(rtl::OUString::createFromAscii("marker"));
            maSvgStyleAttributes.checkForCssStyle(aClassStr);

            return &maSvgStyleAttributes;
        }

        void SvgMarkerNode::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 SVGTokenViewBox:
                {
                    const basegfx::B2DRange aRange(readViewBox(aContent, *this));

                    if(!aRange.isEmpty())
                    {
                        setViewBox(&aRange);
                    }
                    break;
                }
                case SVGTokenPreserveAspectRatio:
                {
                    setSvgAspectRatio(readSvgAspectRatio(aContent));
                    break;
                }
                case SVGTokenRefX:
                {
                    SvgNumber aNum;

                    if(readSingleNumber(aContent, aNum))
                    {
                        setRefX(aNum);
                    }
                    break;
                }
                case SVGTokenRefY:
                {
                    SvgNumber aNum;

                    if(readSingleNumber(aContent, aNum))
                    {
                        setRefY(aNum);
                    }
                    break;
                }
                case SVGTokenMarkerUnits:
                {
                    if(aContent.getLength())
                    {
                        static rtl::OUString aStrStrokeWidth(rtl::OUString::createFromAscii("strokeWidth"));

                        if(aContent.match(aStrStrokeWidth, 0))
                        {
                            setMarkerUnits(strokeWidth);
                        }
                        else if(aContent.match(commonStrings::aStrUserSpaceOnUse, 0))
                        {
                            setMarkerUnits(userSpaceOnUse);
                        }
                    }
                    break;
                }
                case SVGTokenMarkerWidth:
                {
                    SvgNumber aNum;

                    if(readSingleNumber(aContent, aNum))
                    {
                        if(aNum.isPositive())
                        {
                            setMarkerWidth(aNum);
                        }
                    }
                    break;
                }
                case SVGTokenMarkerHeight:
                {
                    SvgNumber aNum;

                    if(readSingleNumber(aContent, aNum))
                    {
                        if(aNum.isPositive())
                        {
                            setMarkerHeight(aNum);
                        }
                    }
                    break;
                }
                case SVGTokenOrient:
                {
                    const sal_Int32 nLen(aContent.getLength());

                    if(nLen)
                    {
                        static rtl::OUString aStrAuto(rtl::OUString::createFromAscii("auto"));

                        if(aContent.match(aStrAuto, 0))
                        {
                            setOrientAuto(true);
                        }
                        else
                        {
                            sal_Int32 nPos(0);
                            double fAngle(0.0);

                            if(readAngle(aContent, nPos, fAngle, nLen))
                            {
                                setAngle(fAngle);
                            }
                        }
                    }
                    break;
                }
                default:
                {
                    break;
                }
            }
        }

        const drawinglayer::primitive2d::Primitive2DSequence& SvgMarkerNode::getMarkerPrimitives() const
        {
            if(!aPrimitives.hasElements())
            {
                decomposeSvgNode(const_cast< SvgMarkerNode* >(this)->aPrimitives, true);
            }

            return aPrimitives;
        }

        const basegfx::B2DRange* SvgMarkerNode::getCurrentViewPort() const
        {
            if(getViewBox())
            {
                return getViewBox();
            }
            else
            {
                return SvgNode::getCurrentViewPort();
            }
        }

    } // end of namespace svgreader
} // end of namespace svgio

//////////////////////////////////////////////////////////////////////////////
// eof