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       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : #ifndef INCLUDED_DRAWINGLAYER_PRIMITIVE2D_TEXTBREAKUPHELPER_HXX
      21             : #define INCLUDED_DRAWINGLAYER_PRIMITIVE2D_TEXTBREAKUPHELPER_HXX
      22             : 
      23             : #include <drawinglayer/drawinglayerdllapi.h>
      24             : #include <drawinglayer/primitive2d/textprimitive2d.hxx>
      25             : #include <drawinglayer/primitive2d/textlayoutdevice.hxx>
      26             : #include <basegfx/matrix/b2dhommatrixtools.hxx>
      27             : 
      28             : //////////////////////////////////////////////////////////////////////////////
      29             : 
      30             : namespace drawinglayer
      31             : {
      32             :     namespace primitive2d
      33             :     {
      34             :         enum BreakupUnit
      35             :         {
      36             :             BreakupUnit_character,
      37             :             BreakupUnit_word,
      38             :             BreakupUnit_sentence
      39             :         };
      40             : 
      41             :         class DRAWINGLAYER_DLLPUBLIC TextBreakupHelper
      42             :         {
      43             :         private:
      44             :             const TextSimplePortionPrimitive2D&     mrSource;
      45             :             Primitive2DSequence                     mxResult;
      46             :             TextLayouterDevice                      maTextLayouter;
      47             :             basegfx::tools::B2DHomMatrixBufferedOnDemandDecompose maDecTrans;
      48             : 
      49             :             /// bitfield
      50             :             bool                                    mbNoDXArray : 1;
      51             : 
      52             :             /// create a portion from nIndex to nLength and append to rTempResult
      53             :             void breakupPortion(Primitive2DVector& rTempResult, sal_uInt32 nIndex, sal_uInt32 nLength, bool bWordLineMode);
      54             : 
      55             :             /// breakup complete primitive
      56             :             void breakup(BreakupUnit aBreakupUnit);
      57             : 
      58             :         protected:
      59             :             /// allow user callback to allow changes to the new TextTransformation. Default
      60             :             /// does nothing. Retval defines if a primitive gets created, e.g. return false
      61             :             /// to suppress creation
      62             :             virtual bool allowChange(sal_uInt32 nCount, basegfx::B2DHomMatrix& rNewTransform, sal_uInt32 nIndex, sal_uInt32 nLength);
      63             : 
      64             :             /// allow read access to evtl. useful local parts
      65           0 :             const TextLayouterDevice& getTextLayouter() const { return maTextLayouter; }
      66             :             const basegfx::tools::B2DHomMatrixBufferedOnDemandDecompose& getDecTrans() const { return maDecTrans; }
      67           0 :             const TextSimplePortionPrimitive2D& getSource() const { return mrSource; }
      68             : 
      69             :         public:
      70             :             TextBreakupHelper(const TextSimplePortionPrimitive2D& rSource);
      71             :             virtual ~TextBreakupHelper();
      72             : 
      73             :             /// get result
      74             :             const Primitive2DSequence& getResult(BreakupUnit aBreakupUnit = BreakupUnit_character) const;
      75             :         };
      76             : 
      77             :     } // end of namespace primitive2d
      78             : } // end of namespace drawinglayer
      79             : 
      80             : //////////////////////////////////////////////////////////////////////////////
      81             : 
      82             : #endif //INCLUDED_DRAWINGLAYER_PRIMITIVE2D_TEXTBREAKUPHELPER_HXX
      83             : 
      84             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */