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