From ed5640d8b587fbcfed7dd7967f3de04b37a76f26 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 11:06:44 +0200 Subject: Adding upstream version 4:7.4.7. Signed-off-by: Daniel Baumann --- vcl/inc/font/fontsubstitution.hxx | 70 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 70 insertions(+) create mode 100644 vcl/inc/font/fontsubstitution.hxx (limited to 'vcl/inc/font/fontsubstitution.hxx') diff --git a/vcl/inc/font/fontsubstitution.hxx b/vcl/inc/font/fontsubstitution.hxx new file mode 100644 index 000000000..d721c9348 --- /dev/null +++ b/vcl/inc/font/fontsubstitution.hxx @@ -0,0 +1,70 @@ +/* -*- 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 . + */ + +// nowadays these substitutions are needed for backward compatibility and tight platform integration: +// - substitutions from configuration entries (Tools->Options->FontReplacement and/or fontconfig) +// - device specific substitutions (e.g. for PS printer builtin fonts) +// - substitutions for missing fonts defined by configuration entries (generic and/or platform dependent fallbacks) +// - substitutions for missing fonts defined by multi-token fontnames (e.g. fontname="SpecialFont;FallbackA;FallbackB") +// - substitutions for incomplete fonts (implicit, generic, EUDC and/or platform dependent fallbacks) +// - substitutions for missing symbol fonts by translating code points into other symbol fonts + +#pragma once + +#include + +#include + +#include + +#include + +namespace vcl::font +{ +class FontSelectPattern; + +class FontSubstitution +{ + // TODO: there is more commonality between the different substitutions +protected: + virtual ~FontSubstitution() {} +}; + +/// Abstracts the concept of finding the best font to support an incomplete font +class GlyphFallbackFontSubstitution : public FontSubstitution +{ +public: + virtual bool FindFontSubstitute(vcl::font::FontSelectPattern&, + LogicalFontInstance* pLogicalFont, + OUString& rMissingCodes) const = 0; +}; + +/** Abstracts the concept of a configured font substitution before the + availability of the originally selected font has been checked. + */ +class PreMatchFontSubstitution : public FontSubstitution +{ +public: + virtual bool FindFontSubstitute(vcl::font::FontSelectPattern&) const = 0; +}; + +void ImplFontSubstitute(OUString& rFontName); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */ -- cgit v1.2.3