xref: /trunk/main/svgio/inc/svgio/svgreader/svggradientnode.hxx (revision ddde725d)

/**************************************************************
 *
 * 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
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#ifndef INCLUDED_SVGIO_SVGREADER_SVGGRADIENTNODE_HXX
#define INCLUDED_SVGIO_SVGREADER_SVGGRADIENTNODE_HXX

#include <svgio/svgiodllapi.h>
#include <svgio/svgreader/svgnode.hxx>
#include <svgio/svgreader/svgstyleattributes.hxx>
#include <drawinglayer/primitive2d/svggradientprimitive2d.hxx>

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

namespace svgio
{
    namespace svgreader
    {
        class SvgGradientNode : public SvgNode
        {
        private:
            /// use styles
            SvgStyleAttributes          maSvgStyleAttributes;

            /// linear gradient values
            SvgNumber                   maX1;
            SvgNumber                   maY1;
            SvgNumber                   maX2;
            SvgNumber                   maY2;

            /// radial gradient values
            SvgNumber                   maCx;
            SvgNumber                   maCy;
            SvgNumber                   maR;
            SvgNumber                   maFx;
            SvgNumber                   maFy;

            /// variable scan values, dependent of given XAttributeList
            SvgUnits                    maGradientUnits;
            drawinglayer::primitive2d::SpreadMethod   maSpreadMethod;
            basegfx::B2DHomMatrix*      mpaGradientTransform;

            /// link to another gradient used as style. If maXLink
            /// is set, the node can be fetched on demand by using
            // tryToFindLink (buffered)
            rtl::OUString               maXLink;
            const SvgGradientNode*      mpXLink;

            /// link on demand
            void tryToFindLink();

        public:
            SvgGradientNode(
                SVGToken aType,
                SvgDocument& rDocument,
                SvgNode* pParent);
            virtual ~SvgGradientNode();

            virtual const SvgStyleAttributes* getSvgStyleAttributes() const;
            virtual void parseAttribute(const rtl::OUString& rTokenName, SVGToken aSVGToken, const rtl::OUString& aContent);

            /// collect gradient stop entries
            void collectGradientEntries(drawinglayer::primitive2d::SvgGradientEntryVector& aVector) const;

            /// x1 content
            const SvgNumber getX1() const;
            void setX1(const SvgNumber& rX1 = SvgNumber()) { maX1 = rX1; }

            /// y1 content
            const SvgNumber getY1() const;
            void setY1(const SvgNumber& rY1 = SvgNumber()) { maY1 = rY1; }

            /// x2 content
            const SvgNumber getX2() const;
            void setX2(const SvgNumber& rX2 = SvgNumber()) { maX2 = rX2; }

            /// y2 content
            const SvgNumber getY2() const;
            void setY2(const SvgNumber& rY2 = SvgNumber()) { maY2 = rY2; }

            /// Cx content
            const SvgNumber getCx() const;
            void setCx(const SvgNumber& rCx = SvgNumber()) { maCx = rCx; }

            /// Cy content
            const SvgNumber getCy() const;
            void setCy(const SvgNumber& rCy = SvgNumber()) { maCy = rCy; }

            /// R content
            const SvgNumber getR() const;
            void setR(const SvgNumber& rR = SvgNumber()) { maR = rR; }

            /// Fx content
            const SvgNumber* getFx() const;
            void setFx(const SvgNumber& rFx = SvgNumber()) { maFx = rFx; }

            /// Fy content
            const SvgNumber* getFy() const;
            void setFy(const SvgNumber& rFy = SvgNumber()) { maFy = rFy; }

            /// gradientUnits content
            SvgUnits getGradientUnits() const { return maGradientUnits; }
            void setGradientUnits(const SvgUnits aGradientUnits) { maGradientUnits = aGradientUnits; }

            /// SpreadMethod content
            drawinglayer::primitive2d::SpreadMethod getSpreadMethod() const { return maSpreadMethod; }
            void setSpreadMethod(const drawinglayer::primitive2d::SpreadMethod aSpreadMethod) { maSpreadMethod = aSpreadMethod; }

            /// transform content, set if found in current context
            const basegfx::B2DHomMatrix* getGradientTransform() const;
            void setGradientTransform(const basegfx::B2DHomMatrix* pMatrix = 0);
        };
    } // end of namespace svgreader
} // end of namespace svgio

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

#endif //INCLUDED_SVGIO_SVGREADER_SVGGRADIENTNODE_HXX

// eof