/* -*- 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 #include "font/FontSelectPattern.hxx" #include "glyphid.hxx" class Size; namespace vcl { class Font; } namespace vcl::font { class PhysicalFontCollection; } // TODO: closely couple with PhysicalFontCollection struct GlyphBoundRectCacheKey { const LogicalFontInstance* m_pFont; const sal_GlyphId m_nId; GlyphBoundRectCacheKey(const LogicalFontInstance* pFont, sal_GlyphId nID) : m_pFont(pFont), m_nId(nID) {} bool operator==(GlyphBoundRectCacheKey const& aOther) const { return m_pFont == aOther.m_pFont && m_nId == aOther.m_nId; } }; struct GlyphBoundRectCacheHash { std::size_t operator()(GlyphBoundRectCacheKey const& aCache) const { std::size_t seed = 0; o3tl::hash_combine(seed, aCache.m_pFont); o3tl::hash_combine(seed, aCache.m_nId); return seed; } }; typedef o3tl::lru_map GlyphBoundRectCache; class ImplFontCache { private: // cache of recently used font instances struct IFSD_Equal { bool operator()( const vcl::font::FontSelectPattern&, const vcl::font::FontSelectPattern& ) const; }; struct IFSD_Hash { size_t operator()( const vcl::font::FontSelectPattern& ) const; }; typedef o3tl::lru_map, IFSD_Hash, IFSD_Equal> FontInstanceList; LogicalFontInstance* mpLastHitCacheEntry; ///< keeps the last hit cache entry FontInstanceList maFontInstanceList; GlyphBoundRectCache m_aBoundRectCache; rtl::Reference GetFontInstance(vcl::font::PhysicalFontCollection const*, vcl::font::FontSelectPattern&); public: ImplFontCache(); ~ImplFontCache(); rtl::Reference GetFontInstance(vcl::font::PhysicalFontCollection const *, const vcl::Font&, const Size& rPixelSize, float fExactHeight, bool bNonAntialias = false); rtl::Reference GetGlyphFallbackFont( vcl::font::PhysicalFontCollection const *, vcl::font::FontSelectPattern&, LogicalFontInstance* pLogicalFont, int nFallbackLevel, OUString& rMissingCodes ); bool GetCachedGlyphBoundRect(const LogicalFontInstance*, sal_GlyphId, basegfx::B2DRectangle&); void CacheGlyphBoundRect(const LogicalFontInstance*, sal_GlyphId, basegfx::B2DRectangle&); void Invalidate(); }; /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ value='distro/collabora/cp-4.4'>distro/collabora/cp-4.4 LibreOffice 核心代码仓库文档基金会

path: root/configmgr/source/partial.cxx

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