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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 "salgdi.hxx"
class ImplFontMetricData;
class PhysicalFontCollection;
namespace vcl::font { class PhysicalFontFace; }
class TextRenderImpl
{
public:
// can't call ReleaseFonts here, as the destructor just calls this classes SetFont (pure virtual)!
virtual ~TextRenderImpl() {}
virtual void SetTextColor( Color nColor ) = 0;
virtual void SetFont(LogicalFontInstance*, int nFallbackLevel) = 0;
void ReleaseFonts() { SetFont(nullptr, 0); }
virtual void GetFontMetric( ImplFontMetricDataRef&, int nFallbackLevel ) = 0;
virtual FontCharMapRef GetFontCharMap() const = 0;
virtual bool GetFontCapabilities(vcl::FontCapabilities &rFontCapabilities) const = 0;
virtual void GetDevFontList( vcl::font::PhysicalFontCollection* ) = 0;
virtual void ClearDevFontCache() = 0;
virtual bool AddTempDevFont( vcl::font::PhysicalFontCollection*, const OUString& rFileURL, const OUString& rFontName ) = 0;
virtual bool CreateFontSubset(
const OUString& rToFile,
const vcl::font::PhysicalFontFace*,
const sal_GlyphId* pGlyphIDs,
const sal_uInt8* pEncoding,
sal_Int32* pWidths,
int nGlyphs,
FontSubsetInfo& rInfo) = 0;
virtual const void* GetEmbedFontData(const vcl::font::PhysicalFontFace*, tools::Long* pDataLen) = 0;
virtual void FreeEmbedFontData( const void* pData, tools::Long nDataLen ) = 0;
virtual void GetGlyphWidths(
const vcl::font::PhysicalFontFace*,
bool bVertical,
std::vector< sal_Int32 >& rWidths,
Ucs2UIntMap& rUnicodeEnc ) = 0;
virtual std::unique_ptr<GenericSalLayout>
GetTextLayout(int nFallbackLevel) = 0;
virtual void DrawTextLayout(const GenericSalLayout&, const SalGraphics&) = 0;
};
/* vim:set tabstop=4 shiftwidth=4 softtabstop=4 expandtab: */
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