svgcharacternode.hxx

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#pragma once
 
#include <sal/config.h>
#include <rtl/ref.hxx>
 
#include <string_view>
 
#include "svgnode.hxx"
 
namespace drawinglayer::primitive2d { class TextSimplePortionPrimitive2D; }
 
namespace svgio::svgreader
    {
        class SvgTextPositions
        {
        private:
            SvgNumberVector         maX;
            SvgNumberVector         maY;
            SvgNumberVector         maDx;
            SvgNumberVector         maDy;
            SvgNumberVector         maRotate;
            SvgNumber               maTextLength;
 
            bool                    mbLengthAdjust : 1; // true = spacing, false = spacingAndGlyphs
 
        public:
            SvgTextPositions();
 
            void parseTextPositionAttributes(SVGToken aSVGToken, std::u16string_view aContent);
 
            const SvgNumberVector& getX() const { return maX; }
            void setX(SvgNumberVector&& aX) { maX = std::move(aX); }
 
            const SvgNumberVector& getY() const { return maY; }
            void setY(SvgNumberVector&& aY) { maY = std::move(aY); }
 
            const SvgNumberVector& getDx() const { return maDx; }
            void setDx(SvgNumberVector&& aDx) { maDx = std::move(aDx); }
 
            const SvgNumberVector& getDy() const { return maDy; }
            void setDy(SvgNumberVector&& aDy) { maDy = std::move(aDy); }
 
            const SvgNumberVector& getRotate() const { return maRotate; }
            void setRotate(SvgNumberVector&& aRotate) { maRotate = std::move(aRotate); }
 
            const SvgNumber& getTextLength() const { return maTextLength; }
            void setTextLength(const SvgNumber& rTextLength) { maTextLength = rTextLength; }
 
            bool getLengthAdjust() const { return mbLengthAdjust; }
            void setLengthAdjust(bool bNew) { mbLengthAdjust = bNew; }
        };
 
        class SvgTextPosition
        {
        private:
            SvgTextPosition*            mpParent;
            ::std::vector< double >     maX;
            ::std::vector< double >     maY;
            ::std::vector< double >     maRotate;
            double                      mfTextLength;
 
            // absolute, current, advancing position
            basegfx::B2DPoint           maPosition;
 
            // advancing rotation index
            sal_uInt32                  mnRotationIndex;
 
            bool                        mbLengthAdjust : 1; // true = spacing, false = spacingAndGlyphs
            bool                        mbAbsoluteX : 1;
 
        public:
            SvgTextPosition(
                SvgTextPosition* pParent,
                const InfoProvider& rInfoProvider,
                const SvgTextPositions& rSvgTextPositions);
 
            // data read access
            const SvgTextPosition* getParent() const { return mpParent; }
            const ::std::vector< double >& getX() const { return maX; }
            double getTextLength() const { return mfTextLength; }
            bool getLengthAdjust() const { return mbLengthAdjust; }
            bool getAbsoluteX() const { return mbAbsoluteX; }
 
            // get/set absolute, current, advancing position
            const basegfx::B2DPoint& getPosition() const { return maPosition; }
            void setPosition(const basegfx::B2DPoint& rNew) { maPosition = rNew; }
 
            // rotation handling
            bool isRotated() const;
            double consumeRotation();
        };
 
        class SvgCharacterNode final : public SvgNode
        {
        private:
            OUString           maText;
 
            // keep a copy of string data before space handling
            OUString           maTextBeforeSpaceHandling;
 
            rtl::Reference<drawinglayer::primitive2d::BasePrimitive2D> createSimpleTextPrimitive(
                SvgTextPosition& rSvgTextPosition,
                const SvgStyleAttributes& rSvgStyleAttributes) const;
            void decomposeTextWithStyle(
                drawinglayer::primitive2d::Primitive2DContainer& rTarget,
                SvgTextPosition& rSvgTextPosition,
                const SvgStyleAttributes& rSvgStyleAttributes) const;
 
        public:
            SvgCharacterNode(
                SvgDocument& rDocument,
                SvgNode* pParent,
                OUString aText);
            virtual ~SvgCharacterNode() override;
 
            virtual const SvgStyleAttributes* getSvgStyleAttributes() const override;
            void decomposeText(drawinglayer::primitive2d::Primitive2DContainer& rTarget, SvgTextPosition& rSvgTextPosition) const;
            void whiteSpaceHandling();
            void addGap();
            void concatenate(std::u16string_view rText);
 
            const OUString& getText() const { return maText; }
 
            const OUString& getTextBeforeSpaceHandling() const { return maTextBeforeSpaceHandling; }
        };
 
} // end of namespace svgio::svgreader
 
 
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