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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
/*
* 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 .
*/
#include "sallayout.hxx"
namespace vcl::text
{
class VCL_DLLPUBLIC ImplLayoutArgs
{
public:
// string related inputs
LanguageTag maLanguageTag;
SalLayoutFlags mnFlags;
const OUString& mrStr;
int mnMinCharPos;
int mnEndCharPos;
// performance hack
vcl::text::TextLayoutCache const* m_pTextLayoutCache;
// positioning related inputs
const DeviceCoordinate* mpDXArray; // in integer pixel units
const double* mpAltNaturalDXArray; // in floating point pixel units
DeviceCoordinate mnLayoutWidth; // in pixel units
Degree10 mnOrientation; // in 0-3600 system
// data for bidi and glyph+script fallback
ImplLayoutRuns maRuns;
ImplLayoutRuns maFallbackRuns;
ImplLayoutArgs(OUString const& rStr, int nMinCharPos, int nEndCharPos, SalLayoutFlags nFlags,
LanguageTag const& rLanguageTag, vcl::text::TextLayoutCache const* pLayoutCache);
void SetLayoutWidth(DeviceCoordinate nWidth);
void SetDXArray(const DeviceCoordinate* pDXArray);
void SetAltNaturalDXArray(const double* pDXArray);
void SetOrientation(Degree10 nOrientation);
void ResetPos();
bool GetNextPos(int* nCharPos, bool* bRTL);
bool GetNextRun(int* nMinRunPos, int* nEndRunPos, bool* bRTL);
void AddFallbackRun(int nMinRunPos, int nEndRunPos, bool bRTL);
bool HasDXArray() const { return mpDXArray || mpAltNaturalDXArray; }
// methods used by BiDi and glyph fallback
bool HasFallbackRun() const;
bool PrepareFallback(const SalLayoutGlyphsImpl* pGlyphsImpl);
private:
void AddRun(int nMinCharPos, int nEndCharPos, bool bRTL);
};
}
// For nice SAL_INFO logging of ImplLayoutArgs values
std::ostream& operator<<(std::ostream& s, vcl::text::ImplLayoutArgs const& rArgs);
/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
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