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 #pragma once 21 22 #include <drawinglayer/drawinglayerdllapi.h> 23 #include <drawinglayer/primitive2d/Primitive2DContainer.hxx> 24 #include <drawinglayer/primitive2d/textlayoutdevice.hxx> 25 #include <basegfx/matrix/b2dhommatrixtools.hxx> 26 27 namespace drawinglayer::primitive2d { class TextSimplePortionPrimitive2D; } 28 29 30 namespace drawinglayer::primitive2d 31 { 32 enum class BreakupUnit 33 { 34 Character, 35 Word 36 }; 37 38 class DRAWINGLAYER_DLLPUBLIC TextBreakupHelper 39 { 40 private: 41 const TextSimplePortionPrimitive2D& mrSource; 42 Primitive2DContainer mxResult; 43 TextLayouterDevice maTextLayouter; 44 basegfx::utils::B2DHomMatrixBufferedOnDemandDecompose maDecTrans; 45 46 bool mbNoDXArray : 1; 47 48 /// create a portion from nIndex to nLength and append to rTempResult 49 void breakupPortion(Primitive2DContainer& rTempResult, sal_Int32 nIndex, sal_Int32 nLength, bool bWordLineMode); 50 51 /// breakup complete primitive 52 void breakup(BreakupUnit aBreakupUnit); 53 54 protected: 55 /// allow user callback to allow changes to the new TextTransformation. Default 56 /// does nothing. Retval defines if a primitive gets created, e.g. return false 57 /// to suppress creation 58 virtual bool allowChange(sal_uInt32 nCount, basegfx::B2DHomMatrix& rNewTransform, sal_uInt32 nIndex, sal_uInt32 nLength); 59 60 /// allow read access to evtl. useful local parts getTextLayouter() const61 const TextLayouterDevice& getTextLayouter() const { return maTextLayouter; } getSource() const62 const TextSimplePortionPrimitive2D& getSource() const { return mrSource; } 63 64 public: 65 TextBreakupHelper(const TextSimplePortionPrimitive2D& rSource); 66 virtual ~TextBreakupHelper(); 67 68 /// get result 69 const Primitive2DContainer& getResult(BreakupUnit aBreakupUnit = BreakupUnit::Character) const; 70 }; 71 72 } // end of namespace drawinglayer::primitive2d 73 74 75 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ 76