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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 <salhelper/simplereferenceobject.hxx>
#include <rtl/ref.hxx>
#include <tools/long.hxx>
#include <vcl/dllapi.h>
#include <vcl/fontcapabilities.hxx>
#include <vcl/fontcharmap.hxx>
#include <fontattributes.hxx>
#include <hb.h>
class LogicalFontInstance;
struct FontMatchStatus;
namespace vcl::font
{
class FontSelectPattern;
}
namespace vcl
{
class PhysicalFontFamily;
}
namespace vcl::font
{
class FontSelectPattern;
struct FontMatchStatus
{
public:
int mnFaceMatch;
const OUString* mpTargetStyleName;
};
// TODO: no more direct access to members
// TODO: get rid of height/width for scalable fonts
// TODO: make cloning cheaper
/**
* abstract base class for physical font faces
*
* It acts as a factory for its corresponding LogicalFontInstances and
* can be extended to cache device and font instance specific data.
*/
class VCL_PLUGIN_PUBLIC PhysicalFontFace : public FontAttributes,
public salhelper::SimpleReferenceObject
{
public:
~PhysicalFontFace();
virtual rtl::Reference<LogicalFontInstance>
CreateFontInstance(const vcl::font::FontSelectPattern&) const = 0;
virtual sal_IntPtr GetFontId() const = 0;
virtual FontCharMapRef GetFontCharMap() const;
virtual bool GetFontCapabilities(vcl::FontCapabilities&) const;
bool IsBetterMatch(const vcl::font::FontSelectPattern&, FontMatchStatus&) const;
sal_Int32 CompareIgnoreSize(const PhysicalFontFace&) const;
virtual hb_face_t* GetHbFace() const;
virtual hb_blob_t* GetHbTable(hb_tag_t) const
{
assert(false);
return nullptr;
}
protected:
mutable hb_face_t* mpHbFace;
mutable FontCharMapRef mxCharMap;
mutable vcl::FontCapabilities maFontCapabilities;
mutable bool mbFontCapabilitiesRead;
explicit PhysicalFontFace(const FontAttributes&);
};
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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