/* -*- 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 <drawinglayer/drawinglayerdllapi.h>

#include <drawinglayer/primitive2d/Primitive2DContainer.hxx>

#include <drawinglayer/primitive2d/textlayoutdevice.hxx>

#include <basegfx/matrix/b2dhommatrixtools.hxx>

namespace drawinglayer::primitive2d { class TextSimplePortionPrimitive2D; }

namespace drawinglayer::primitive2d

{

        enum class BreakupUnit

        {

            Character,

            Word

        };

        class DRAWINGLAYER_DLLPUBLIC TextBreakupHelper

        {

        private:

            const TextSimplePortionPrimitive2D&     mrSource;

            Primitive2DContainer                    mxResult;

            TextLayouterDevice                      maTextLayouter;

            basegfx::utils::B2DHomMatrixBufferedOnDemandDecompose maDecTrans;

            bool                                    mbNoDXArray : 1;

            /// create a portion from nIndex to nLength and append to rTempResult

            void breakupPortion(Primitive2DContainer& rTempResult, sal_Int32 nIndex, sal_Int32 nLength, bool bWordLineMode);

            /// breakup complete primitive

            void breakup(BreakupUnit aBreakupUnit);

        protected:

            /// allow user callback to allow changes to the new TextTransformation. Default

            /// does nothing. Retval defines if a primitive gets created, e.g. return false

            /// to suppress creation

            virtual bool allowChange(sal_uInt32 nCount, basegfx::B2DHomMatrix& rNewTransform, sal_uInt32 nIndex, sal_uInt32 nLength);

            /// allow read access to evtl. useful local parts

            const TextLayouterDevice& getTextLayouter() const { return maTextLayouter; }

            const TextSimplePortionPrimitive2D& getSource() const { return mrSource; }

        public:

            TextBreakupHelper(const TextSimplePortionPrimitive2D& rSource);

            virtual ~TextBreakupHelper();

            /// get result

            Primitive2DContainer extractResult(BreakupUnit aBreakupUnit = BreakupUnit::Character);

        };

} // end of namespace drawinglayer::primitive2d

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