/src/libreoffice/vcl/source/fontsubset/fontsubset.cxx
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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 | | |
21 | | #include <osl/diagnose.h> |
22 | | #include <sal/log.hxx> |
23 | | |
24 | | #include <fontsubset.hxx> |
25 | | #include <sft.hxx> |
26 | | |
27 | | FontSubsetInfo::FontSubsetInfo() |
28 | 3.27k | : m_nAscent( 0) |
29 | 3.27k | , m_nDescent( 0) |
30 | 3.27k | , m_nCapHeight( 0) |
31 | 3.27k | , m_nFontType( FontType::NO_FONT) |
32 | 3.27k | , m_bFilled(false) |
33 | 3.27k | , mpInFontBytes( nullptr) |
34 | 3.27k | , mnInByteLength( 0) |
35 | 3.27k | , meInFontType( FontType::NO_FONT) |
36 | 3.27k | , mnReqFontTypeMask( FontType::NO_FONT ) |
37 | 3.27k | , mpOutFile(nullptr) |
38 | 3.27k | , mpReqGlyphIds(nullptr) |
39 | 3.27k | , mpReqEncodedIds(nullptr) |
40 | 3.27k | , mnReqGlyphCount(0) |
41 | 3.27k | { |
42 | 3.27k | } |
43 | | |
44 | | FontSubsetInfo::~FontSubsetInfo() |
45 | 3.27k | { |
46 | 3.27k | } |
47 | | |
48 | | // prepare subsetting for fonts where the input font file is mapped |
49 | | void FontSubsetInfo::LoadFont( |
50 | | FontType eInFontType, |
51 | | const unsigned char* pInFontBytes, int nInByteLength) |
52 | 0 | { |
53 | 0 | meInFontType = eInFontType; |
54 | 0 | mpInFontBytes = pInFontBytes; |
55 | 0 | mnInByteLength = nInByteLength; |
56 | 0 | } |
57 | | |
58 | | bool FontSubsetInfo::CreateFontSubset( |
59 | | FontType nReqFontTypeMask, |
60 | | SvStream* pOutFile, |
61 | | const sal_GlyphId* pReqGlyphIds, const sal_uInt8* pReqEncodedIds, int nReqGlyphCount) |
62 | 0 | { |
63 | | // prepare request details needed by all underlying subsetters |
64 | 0 | mnReqFontTypeMask = nReqFontTypeMask; |
65 | 0 | mpOutFile = pOutFile; |
66 | 0 | mpReqGlyphIds = pReqGlyphIds; |
67 | 0 | mpReqEncodedIds = pReqEncodedIds; |
68 | 0 | mnReqGlyphCount = nReqGlyphCount; |
69 | 0 | maReqFontName = m_aPSName.toUtf8(); |
70 | | |
71 | | // TODO: move the glyphid/encid/notdef reshuffling from the callers to here |
72 | | |
73 | | // dispatch to underlying subsetters |
74 | 0 | bool bOK = false; |
75 | | |
76 | | // TODO: better match available input-type to possible subset-types |
77 | 0 | switch( meInFontType) { |
78 | 0 | case FontType::CFF_FONT: |
79 | 0 | bOK = CreateFontSubsetFromCff(); |
80 | 0 | break; |
81 | 0 | default: |
82 | 0 | OSL_FAIL( "unhandled type in CreateFontSubset()"); |
83 | 0 | break; |
84 | 0 | } |
85 | | |
86 | 0 | return bOK; |
87 | 0 | } |
88 | | |
89 | | /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |