/* -*- 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 . */ #ifndef INCLUDED_VCL_GLYPHITEMCACHE_HXX #define INCLUDED_VCL_GLYPHITEMCACHE_HXX #include #include #include #include #include #include #include #include #include #include /** A cache for SalLayoutGlyphs objects. Allows caching for OutputDevice::DrawText() and similar calls. Pass the text and the output device for the call to OutputDevice::ImplLayout(). Items are cached per output device and its font. If something more changes, call clear(). */ class VCL_DLLPUBLIC SalLayoutGlyphsCache final { public: // NOTE: The lifetime of the returned value is guaranteed only until the next call // to any function in this class. const SalLayoutGlyphs* GetLayoutGlyphs(VclPtr outputDevice, const OUString& text, const vcl::text::TextLayoutCache* layoutCache = nullptr) { return GetLayoutGlyphs(outputDevice, text, 0, text.getLength(), 0, layoutCache); } const SalLayoutGlyphs* GetLayoutGlyphs(VclPtr outputDevice, const OUString& text, sal_Int32 nIndex, sal_Int32 nLen, tools::Long nLogicWidth = 0, const vcl::text::TextLayoutCache* layoutCache = nullptr); void clear(); /// Normally, we cannot cache glyphs when doing font fallback, because the font fallbacks /// can cache during the lifetime of the cache, and they are not included in the cache key. /// But during some processes, we can turn this on, as long as we remember to turn it off /// at the end. void SetCacheGlyphsWhenDoingFallbackFonts(bool bOK); static SalLayoutGlyphsCache* self(); SalLayoutGlyphsCache(int size) // needs to be public for vcl::DeleteOnDeinit : mCachedGlyphs(size) { } private: struct CachedGlyphsKey { OUString text; sal_Int32 index; sal_Int32 len; tools::Long logicWidth; FontMetric fontMetric; double fontScaleX; double fontScaleY; MapMode mapMode; bool rtl; bool disabledLigatures; // because of fixed pitch bool artificialItalic; bool artificialBold; vcl::text::ComplexTextLayoutFlags layoutMode; LanguageType digitLanguage; size_t hashValue; CachedGlyphsKey(const VclPtr& dev, OUString t, sal_Int32 i, sal_Int32 l, tools::Long w); bool operator==(const CachedGlyphsKey& other) const; }; struct CachedGlyphsHash { size_t operator()(const CachedGlyphsKey& key) const { return key.hashValue; } }; struct GlyphsCost { size_t operator()(const SalLayoutGlyphs&) const; }; typedef o3tl::lru_map, GlyphsCost> GlyphsCache; GlyphsCache mCachedGlyphs; // Last temporary glyphs returned (pointer is returned, so the object needs to be kept somewhere). std::optional mLastTemporaryKey; SalLayoutGlyphs mLastTemporaryGlyphs; // If set, info about the last call which wanted a substring of the full text. std::optional mLastSubstringKey; bool mbCacheGlyphsWhenDoingFallbackFonts = false; SalLayoutGlyphsCache(const SalLayoutGlyphsCache&) = delete; SalLayoutGlyphsCache& operator=(const SalLayoutGlyphsCache&) = delete; }; #endif // INCLUDED_VCL_GLYPHITEMCACHE_HXX /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ ce-7-5+backports LibreOffice 核心代码仓库文档基金会

path: root/oovbaapi/ooo/vba/office/MsoExtrusionColorType.idl

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