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/* -*- 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 <sal/config.h>
#include <vcl/dllapi.h>
#include <fontinstance.hxx>
#include "PhysicalFontFamily.hxx"
#include <array>
#include <string_view>
#define MAX_GLYPHFALLBACK 16
namespace vcl::font
{
class GlyphFallbackFontSubstitution;
class PreMatchFontSubstitution;
}
// TODO: merge with ImplFontCache
// TODO: rename to LogicalFontManager
namespace vcl::font
{
class VCL_PLUGIN_PUBLIC PhysicalFontCollection final
{
public:
explicit PhysicalFontCollection();
~PhysicalFontCollection();
// fill the list with device font faces
void Add( vcl::font::PhysicalFontFace* );
void Clear();
int Count() const { return maPhysicalFontFamilies.size(); }
// find the device font family
vcl::font::PhysicalFontFamily* FindFontFamily( std::u16string_view rFontName ) const;
vcl::font::PhysicalFontFamily* FindOrCreateFontFamily( const OUString &rFamilyName );
vcl::font::PhysicalFontFamily* FindFontFamily( vcl::font::FontSelectPattern& ) const;
vcl::font::PhysicalFontFamily* FindFontFamilyByTokenNames(std::u16string_view rTokenStr) const;
vcl::font::PhysicalFontFamily* FindFontFamilyByAttributes(ImplFontAttrs nSearchType, FontWeight, FontWidth,
FontItalic, const OUString& rSearchFamily) const;
// suggest fonts for glyph fallback
vcl::font::PhysicalFontFamily* GetGlyphFallbackFont( vcl::font::FontSelectPattern&,
LogicalFontInstance* pLogicalFont,
OUString& rMissingCodes, int nFallbackLevel ) const;
// prepare platform specific font substitutions
void SetPreMatchHook( vcl::font::PreMatchFontSubstitution* );
void SetFallbackHook( vcl::font::GlyphFallbackFontSubstitution* );
// misc utilities
std::shared_ptr<PhysicalFontCollection> Clone() const;
std::unique_ptr<vcl::font::PhysicalFontFaceCollection> GetFontFaceCollection() const;
private:
mutable bool mbMatchData; // true if matching attributes are initialized
typedef std::unordered_map<OUString, std::unique_ptr<vcl::font::PhysicalFontFamily>> PhysicalFontFamilies;
PhysicalFontFamilies maPhysicalFontFamilies;
vcl::font::PreMatchFontSubstitution* mpPreMatchHook; // device specific prematch substitution
vcl::font::GlyphFallbackFontSubstitution* mpFallbackHook; // device specific glyph fallback substitution
mutable std::unique_ptr<std::array<vcl::font::PhysicalFontFamily*,MAX_GLYPHFALLBACK>> mpFallbackList;
mutable int mnFallbackCount;
void ImplInitMatchData() const;
void ImplInitGenericGlyphFallback() const;
vcl::font::PhysicalFontFamily* ImplFindFontFamilyBySearchName( const OUString& ) const;
vcl::font::PhysicalFontFamily* ImplFindFontFamilyBySubstFontAttr( const utl::FontNameAttr& ) const;
vcl::font::PhysicalFontFamily* ImplFindFontFamilyOfDefaultFont() const;
};
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */
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