office-gobmx/svgio/inc/svgcharacternode.hxx

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   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 .
 */

#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, const OUString& aContent);

            /// X content
            const SvgNumberVector& getX() const { return maX; }
            void setX(SvgNumberVector&& aX) { maX = std::move(aX); }

            /// Y content
            const SvgNumberVector& getY() const { return maY; }
            void setY(SvgNumberVector&& aY) { maY = std::move(aY); }

            /// Dx content
            const SvgNumberVector& getDx() const { return maDx; }
            void setDx(SvgNumberVector&& aDx) { maDx = std::move(aDx); }

            /// Dy content
            const SvgNumberVector& getDy() const { return maDy; }
            void setDy(SvgNumberVector&& aDy) { maDy = std::move(aDy); }

            /// Rotate content
            const SvgNumberVector& getRotate() const { return maRotate; }
            void setRotate(SvgNumberVector&& aRotate) { maRotate = std::move(aRotate); }

            /// TextLength content
            const SvgNumber& getTextLength() const { return maTextLength; }
            void setTextLength(const SvgNumber& rTextLength) { maTextLength = rTextLength; }

            /// LengthAdjust content
            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:
            /// the string data
            OUString           maText;

            /// local helpers
            rtl::Reference<drawinglayer::primitive2d::TextSimplePortionPrimitive2D> 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,
                const OUString& rText);
            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);

            /// Text content
            const OUString& getText() const { return maText; }
        };

} // end of namespace svgio::svgreader


/* vim:set shiftwidth=4 softtabstop=4 expandtab: */