LibreOffice Module vcl (master) 1
freetypetextrender.hxx
Go to the documentation of this file.
1/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2/*
3 * This file is part of the LibreOffice project.
4 *
5 * This Source Code Form is subject to the terms of the Mozilla Public
6 * License, v. 2.0. If a copy of the MPL was not distributed with this
7 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 *
9 * This file incorporates work covered by the following license notice:
10 *
11 * Licensed to the Apache Software Foundation (ASF) under one or more
12 * contributor license agreements. See the NOTICE file distributed
13 * with this work for additional information regarding copyright
14 * ownership. The ASF licenses this file to you under the Apache
15 * License, Version 2.0 (the "License"); you may not use this file
16 * except in compliance with the License. You may obtain a copy of
17 * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 */
19
20#pragma once
21
22#include <sal/config.h>
23
24#include <textrender.hxx>
25
27
28// Generic implementation that uses freetype, but DrawTextLayout()
29// still needs implementing (e.g. by Cairo or Skia).
31{
32protected:
34 mpFreetypeFont[ MAX_FALLBACK ];
35
37
38public:
40 virtual ~FreeTypeTextRenderImpl() override;
41
42 virtual void SetTextColor( Color nColor ) override;
43 virtual void SetFont(LogicalFontInstance*, int nFallbackLevel) override;
44 virtual void GetFontMetric( ImplFontMetricDataRef&, int nFallbackLevel ) override;
45 virtual FontCharMapRef GetFontCharMap() const override;
46 virtual bool GetFontCapabilities(vcl::FontCapabilities &rFontCapabilities) const override;
48 virtual void ClearDevFontCache() override;
49 virtual bool AddTempDevFont( vcl::font::PhysicalFontCollection*, const OUString& rFileURL, const OUString& rFontName ) override;
50 virtual bool CreateFontSubset(
51 const OUString& rToFile,
53 const sal_GlyphId* pGlyphIDs,
54 const sal_uInt8* pEncoding,
55 sal_Int32* pWidths,
56 int nGlyphs,
57 FontSubsetInfo& rInfo) override;
58
59 virtual const void* GetEmbedFontData(const vcl::font::PhysicalFontFace*, tools::Long* pDataLen) override;
60 virtual void FreeEmbedFontData( const void* pData, tools::Long nDataLen ) override;
61 virtual void GetGlyphWidths(
63 bool bVertical,
64 std::vector< sal_Int32 >& rWidths,
65 Ucs2UIntMap& rUnicodeEnc ) override;
66
67 virtual std::unique_ptr<GenericSalLayout>
68 GetTextLayout(int nFallbackLevel) override;
69};
70
71/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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) override
virtual void FreeEmbedFontData(const void *pData, tools::Long nDataLen) override
virtual void GetFontMetric(ImplFontMetricDataRef &, int nFallbackLevel) override
virtual bool GetFontCapabilities(vcl::FontCapabilities &rFontCapabilities) const override
virtual std::unique_ptr< GenericSalLayout > GetTextLayout(int nFallbackLevel) override
virtual void ClearDevFontCache() override
virtual void SetFont(LogicalFontInstance *, int nFallbackLevel) override
virtual bool AddTempDevFont(vcl::font::PhysicalFontCollection *, const OUString &rFileURL, const OUString &rFontName) override
virtual void SetTextColor(Color nColor) override
virtual void GetGlyphWidths(const vcl::font::PhysicalFontFace *, bool bVertical, std::vector< sal_Int32 > &rWidths, Ucs2UIntMap &rUnicodeEnc) override
virtual const void * GetEmbedFontData(const vcl::font::PhysicalFontFace *, tools::Long *pDataLen) override
virtual ~FreeTypeTextRenderImpl() override
virtual void GetDevFontList(vcl::font::PhysicalFontCollection *) override
virtual FontCharMapRef GetFontCharMap() const override
abstract base class for physical font faces
#define VCL_DLLPUBLIC
Definition: dllapi.h:29
sal_uInt16 sal_GlyphId
Definition: glyphid.hxx:24
long Long
std::map< sal_Ucs, sal_uInt32 > Ucs2UIntMap
Definition: salgdi.hxx:66
#define MAX_FALLBACK
Definition: sallayout.hxx:46
unsigned char sal_uInt8