Eine aufbereitete Darstellung der Quelle

 
     
 
 
Anforderungen  |   Konzepte  |   Entwurf  |   Entwicklung  |   Qualitätssicherung  |   Lebenszyklus  |   Steuerung
 
 
 
 
Benutzer

products/Sources/formale Sprachen/C/LibreOffice/icon-themes/sifr_dark_svg/cmd/   (LibreOffice Version 25.8.3.2©)  Datei vom 5.10.2025 mit Größe 1 kB image not shown  

Bilddatei

sallayout.hxx


products/Sources/formale Sprachen/C/LibreOffice/vcl/inc/sallayout.hxx

/* -*- 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 #include #include #include #include // for typedef sal_UCS4 #include #include "justificationdata.hxx" #include "ImplLayoutRuns.hxx" #include "impglyphitem.hxx" #include #include #include #include #include #define MAX_FALLBACK 16 class GenericSalLayout; class VCL_DLLPUBLIC MultiSalLayout final : public SalLayout { public: SAL_DLLPRIVATE void DrawText(SalGraphics&) const override; SAL_DLLPRIVATE sal_Int32 GetTextBreak(double nMaxWidth, double nCharExtra, int nFactor) const override; SAL_DLLPRIVATE double GetTextWidth() const final override; SAL_DLLPRIVATE double GetPartialTextWidth(sal_Int32 skipStart, sal_Int32 amt) const override; SAL_DLLPRIVATE double FillDXArray(std::vector* pDXArray, const OUString& rStr) const override; SAL_DLLPRIVATE double FillPartialDXArray(std::vector* pDXArray, const OUString& rStr, sal_Int32 skipStart, sal_Int32 amt) const override; SAL_DLLPRIVATE void GetCaretPositions(std::vector& rCaretPositions, const OUString& rStr) const override; SAL_DLLPRIVATE bool GetNextGlyph(const GlyphItem** pGlyph, basegfx::B2DPoint& rPos, int& nStart, const LogicalFontInstance** ppGlyphFont = nullptr) const override; SAL_DLLPRIVATE bool GetOutline(basegfx::B2DPolyPolygonVector&) const override; SAL_DLLPRIVATE bool HasFontKashidaPositions() const override; SAL_DLLPRIVATE bool IsKashidaPosValid(int nCharPos, int nNextCharPos) const override; SAL_DLLPRIVATE SalLayoutGlyphs GetGlyphs() const final override; // used only by OutputDevice::ImplLayout, TODO: make friend SAL_DLLPRIVATE explicit MultiSalLayout( std::unique_ptr pBaseLayout ); SAL_DLLPRIVATE void AddFallback(std::unique_ptr pFallbackLayout, ImplLayoutRuns const &); // give up ownership of the initial pBaseLayout taken by the ctor SAL_DLLPRIVATE std::unique_ptr ReleaseBaseLayout(); SAL_DLLPRIVATE bool LayoutText(vcl::text::ImplLayoutArgs&, const SalLayoutGlyphsImpl*) override; SAL_DLLPRIVATE void AdjustLayout(vcl::text::ImplLayoutArgs&) override; SAL_DLLPRIVATE void SetIncomplete(bool bIncomplete); SAL_DLLPRIVATE void ImplAdjustMultiLayout(vcl::text::ImplLayoutArgs& rArgs, vcl::text::ImplLayoutArgs& rMultiArgs, const JustificationData& rstJustification); SAL_DLLPRIVATE ImplLayoutRuns* GetFallbackRuns() { return maFallbackRuns; } SAL_DLLPRIVATE virtual ~MultiSalLayout() override; virtual void drawSalLayout(void* /*pSurface*/, const basegfx::BColor& /*rTextColor*/, bool /*bAntiAliased*/) const override; private: MultiSalLayout( const MultiSalLayout& ) = delete; MultiSalLayout& operator=( const MultiSalLayout& ) = delete; std::unique_ptr mpLayouts[ MAX_FALLBACK ]; ImplLayoutRuns maFallbackRuns[ MAX_FALLBACK ]; int mnLevel; bool mbIncomplete; }; class VCL_DLLPUBLIC GenericSalLayout : public SalLayout { friend void MultiSalLayout::ImplAdjustMultiLayout(vcl::text::ImplLayoutArgs& rArgs, vcl::text::ImplLayoutArgs& rMultiArgs, const JustificationData& rstJustification); public: GenericSalLayout(LogicalFontInstance&); ~GenericSalLayout() override; void AdjustLayout(vcl::text::ImplLayoutArgs&) final override; bool LayoutText(vcl::text::ImplLayoutArgs&, const SalLayoutGlyphsImpl*) final override; void DrawText(SalGraphics&) const final override; SalLayoutGlyphs GetGlyphs() const final override; bool HasFontKashidaPositions() const final override; bool IsKashidaPosValid(int nCharPos, int nNextCharPos) const final override; // used by upper layers double GetTextWidth() const final override; double GetPartialTextWidth(sal_Int32 skipStart, sal_Int32 amt) const final override; double FillDXArray(std::vector* pDXArray, const OUString& rStr) const final override; double FillPartialDXArray(std::vector* pDXArray, const OUString& rStr, sal_Int32 skipStart, sal_Int32 amt) const final override; sal_Int32 GetTextBreak(double nMaxWidth, double nCharExtra, int nFactor) const final override; void GetCaretPositions(std::vector& rCaretPositions, const OUString& rStr) const override; // used by display layers LogicalFontInstance& GetFont() const { return *m_GlyphItems.GetFont(); } bool GetNextGlyph(const GlyphItem** pGlyph, basegfx::B2DPoint& rPos, int& nStart, const LogicalFontInstance** ppGlyphFont = nullptr) const override; const SalLayoutGlyphsImpl& GlyphsImpl() const { return m_GlyphItems; } virtual void drawSalLayout(void* /*pSurface*/, const basegfx::BColor& /*rTextColor*/, bool /*bAntiAliased*/) const override; private: // for glyph+font+script fallback SAL_DLLPRIVATE void MoveGlyph(int nStart, double nNewXPos); SAL_DLLPRIVATE void DropGlyph(int nStart); SAL_DLLPRIVATE void Simplify(bool bIsBase); GenericSalLayout( const GenericSalLayout& ) = delete; GenericSalLayout& operator=( const GenericSalLayout& ) = delete; SAL_DLLPRIVATE void ApplyJustificationData(const JustificationData& rstJustification); SAL_DLLPRIVATE void Justify(double nNewWidth); SAL_DLLPRIVATE void ApplyAsianKerning(std::u16string_view rStr); SAL_DLLPRIVATE void GetCharWidths(std::vector& rCharWidths, const OUString& rStr) const; SAL_DLLPRIVATE void SetNeedFallback(vcl::text::ImplLayoutArgs& rArgs, sal_Int32 nCharPos, sal_Int32 nCharEnd, bool bRightToLeft); SAL_DLLPRIVATE bool HasVerticalAlternate(sal_UCS4 aChar, sal_UCS4 aNextChar); SAL_DLLPRIVATE void ParseFeatures(std::u16string_view name); css::uno::Reference mxBreak; SalLayoutGlyphsImpl m_GlyphItems; OString msLanguage; std::vector maFeatures; hb_set_t* mpVertGlyphs; const bool mbFuzzing; bool m_bHasFontKashidaPositions = false; }; /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

                                                                                                                                                                                                                                                                                                                                                                                                     

Neuigkeiten

     Aktuelles
     Motto des Tages

Open Source Software

     Quellcodebibliothek
     Eigene Quellcodes
     Fremde Quellcodes
     Suchen
Jenseits des Üblichen ....
    

Besucherstatistik

Besucherstatistik
Statistik
#Sources=141584
#Domains=752002