freetypetextrender.cxx

/* -*- 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 . */ #include <sal/config.h> #include <unx/freetypetextrender.hxx> #include <unotools/configmgr.hxx> #include <vcl/settings.hxx> #include <vcl/sysdata.hxx> #include <vcl/svapp.hxx> #include <vcl/fontcharmap.hxx> #include <sal/log.hxx> #include <unx/fontmanager.hxx> #include <unx/geninst.h> #include <unx/glyphcache.hxx> #include <unx/fc_fontoptions.hxx> #include <unx/freetype_glyphcache.hxx> #include <font/PhysicalFontFace.hxx> #include <font/FontMetricData.hxx> #include <sallayout.hxx> FreeTypeTextRenderImpl::FreeTypeTextRenderImpl() : mnTextColor(Color(0x00, 0x00, 0x00)) //black { } FreeTypeTextRenderImpl::~FreeTypeTextRenderImpl() { ReleaseFonts(); } void FreeTypeTextRenderImpl::SetFont(LogicalFontInstance *pEntry, int nFallbackLevel) { // release all no longer needed font resources for( int i = nFallbackLevel; i < MAX_FALLBACK; ++i ) { // old server side font is no longer referenced mpFreetypeFont[i] = nullptr; } // return early if there is no new font if( !pEntry ) return; FreetypeFontInstance* pFreetypeFont = static_cast<FreetypeFontInstance*>(pEntry); mpFreetypeFont[ nFallbackLevel ] = pFreetypeFont; // ignore fonts with e.g. corrupted font files if (!mpFreetypeFont[nFallbackLevel]->GetFreetypeFont().TestFont()) mpFreetypeFont[nFallbackLevel] = nullptr; } FontCharMapRef FreeTypeTextRenderImpl::GetFontCharMap() const { if (!mpFreetypeFont[0]) return nullptr; return mpFreetypeFont[0]->GetFontFace()->GetFontCharMap(); } bool FreeTypeTextRenderImpl::GetFontCapabilities(vcl::FontCapabilities &rGetImplFontCapabilities) const { if (!mpFreetypeFont[0]) return false; return mpFreetypeFont[0]->GetFontFace()->GetFontCapabilities(rGetImplFontCapabilities); } // SalGraphics void FreeTypeTextRenderImpl::SetTextColor( Color nColor ) { if( mnTextColor != nColor ) { mnTextColor = nColor; } } bool FreeTypeTextRenderImpl::AddTempDevFont(vcl::font::PhysicalFontCollection* pFontCollection, const OUString& rFileURL, const OUString& rFontName) { // inform PSP font manager psp::PrintFontManager& rMgr = psp::PrintFontManager::get(); std::vector<psp::fontID> aFontIds = rMgr.addFontFile(rFileURL); if (aFontIds.empty()) return false; FreetypeManager& rFreetypeManager = FreetypeManager::get(); for (auto const& nFontId : aFontIds) { // prepare font data auto const* pFont = rMgr.getFont(nFontId); if (!pFont) continue; // inform glyph cache of new font FontAttributes aDFA = pFont->m_aFontAttributes; aDFA.IncreaseQualityBy(5800); if (!rFontName.isEmpty()) aDFA.SetFamilyName(rFontName); int nFaceNum = rMgr.getFontFaceNumber(nFontId); int nVariantNum = rMgr.getFontFaceVariation(nFontId); const OString aFileName = rMgr.getFontFileSysPath(nFontId); rFreetypeManager.AddFontFile(aFileName, nFaceNum, nVariantNum, nFontId, aDFA); } // announce new font to device's font list rFreetypeManager.AnnounceFonts(pFontCollection); return true; } void FreeTypeTextRenderImpl::ClearDevFontCache() { FreetypeManager::get().ClearFontCache(); } void FreeTypeTextRenderImpl::GetDevFontList(vcl::font::PhysicalFontCollection* pFontCollection) { // prepare the FreetypeManager using psprint's font infos FreetypeManager& rFreetypeManager = FreetypeManager::get(); psp::PrintFontManager& rMgr = psp::PrintFontManager::get(); ::std::vector<psp::fontID> aList; rMgr.getFontList(aList); for (auto const& nFontId : aList) { auto const* pFont = rMgr.getFont(nFontId); if (!pFont) continue; // normalize face number to the FreetypeManager int nFaceNum = rMgr.getFontFaceNumber(nFontId); int nVariantNum = rMgr.getFontFaceVariation(nFontId); // inform FreetypeManager about this font provided by the PsPrint subsystem FontAttributes aDFA = pFont->m_aFontAttributes; aDFA.IncreaseQualityBy(4096); const OString aFileName = rMgr.getFontFileSysPath(nFontId); rFreetypeManager.AddFontFile(aFileName, nFaceNum, nVariantNum, nFontId, aDFA); } // announce glyphcache fonts rFreetypeManager.AnnounceFonts(pFontCollection); // register platform specific font substitutions if available SalGenericInstance::RegisterFontSubstitutors(pFontCollection); } void FreeTypeTextRenderImpl::GetFontMetric( FontMetricDataRef& rxFontMetric, int nFallbackLevel ) { if( nFallbackLevel >= MAX_FALLBACK ) return; if (mpFreetypeFont[nFallbackLevel]) mpFreetypeFont[nFallbackLevel]->GetFreetypeFont().GetFontMetric(rxFontMetric); } std::unique_ptr<GenericSalLayout> FreeTypeTextRenderImpl::GetTextLayout(int nFallbackLevel) { assert(mpFreetypeFont[nFallbackLevel]); if (!mpFreetypeFont[nFallbackLevel]) return nullptr; return std::make_unique<GenericSalLayout>(*mpFreetypeFont[nFallbackLevel]); } /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

↑ V1053 Calling the 'SetFont' virtual function indirectly in the destructor may lead to unexpected result at runtime. Check lines: 'freetypetextrender.cxx:48', 'textrender.hxx:38', 'freetypetextrender.hxx:43'.