blob: 3f59dd3b25e4b95e42629dd4fb965fa6946dbc27 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
|
/* -*- 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;
};
struct RawFontData
{
public:
RawFontData(hb_blob_t* pBlob = nullptr)
: mpBlob(pBlob ? pBlob : hb_blob_get_empty())
{
}
~RawFontData() { hb_blob_destroy(mpBlob); }
RawFontData& operator=(const RawFontData& rOther)
{
hb_blob_destroy(mpBlob);
mpBlob = hb_blob_reference(rOther.mpBlob);
return *this;
}
size_t size() const { return hb_blob_get_length(mpBlob); }
bool empty() const { return size() == 0; }
const uint8_t* data() const
{
return reinterpret_cast<const uint8_t*>(hb_blob_get_data(mpBlob, nullptr));
}
private:
hb_blob_t* mpBlob;
};
// 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;
RawFontData GetRawFontData(uint32_t) 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: */
|
