80 lines
2.8 KiB
C++
80 lines
2.8 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <i18nlangtag/languagetag.hxx>
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#include <vcl/outdev.hxx>
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#include "impglyphitem.hxx"
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#include "ImplLayoutRuns.hxx"
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#include "justificationdata.hxx"
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#include <span>
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namespace vcl::text
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{
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class VCL_DLLPUBLIC ImplLayoutArgs
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{
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public:
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// string related inputs
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LanguageTag maLanguageTag;
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SalLayoutFlags mnFlags;
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const OUString& mrStr;
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int mnMinCharPos;
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int mnEndCharPos;
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int mnDrawOriginCluster = std::numeric_limits<int>::min();
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int mnDrawMinCharPos = std::numeric_limits<int>::min();
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int mnDrawEndCharPos = std::numeric_limits<int>::max();
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// performance hack
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vcl::text::TextLayoutCache const* m_pTextLayoutCache;
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// positioning related inputs
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JustificationData mstJustification;
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double mnLayoutWidth; // in pixel units
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Degree10 mnOrientation; // in 0-3600 system
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// data for bidi and glyph+script fallback
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ImplLayoutRuns maRuns;
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ImplLayoutRuns maFallbackRuns;
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ImplLayoutArgs(OUString const& rStr, int nMinCharPos, int nEndCharPos, SalLayoutFlags nFlags,
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LanguageTag aLanguageTag, vcl::text::TextLayoutCache const* pLayoutCache);
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void SetLayoutWidth(double nWidth);
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void SetJustificationData(JustificationData stJustification);
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void SetOrientation(Degree10 nOrientation);
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void ResetPos();
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bool GetNextPos(int* nCharPos, bool* bRTL);
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bool GetNextRun(int* nMinRunPos, int* nEndRunPos, bool* bRTL);
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void AddFallbackRun(int nMinRunPos, int nEndRunPos, bool bRTL);
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// methods used by BiDi and glyph fallback
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bool HasFallbackRun() const;
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bool PrepareFallback(const SalLayoutGlyphsImpl* pGlyphsImpl);
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private:
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void AddRun(int nMinCharPos, int nEndCharPos, bool bRTL);
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};
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}
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// For nice SAL_INFO logging of ImplLayoutArgs values
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std::ostream& operator<<(std::ostream& s, vcl::text::ImplLayoutArgs const& rArgs);
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/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
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