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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 : // Header files
21 : //
22 :
23 : // Platform
24 : #include <i18nlangtag/languagetag.hxx>
25 : #include <sallayout.hxx>
26 : // Module
27 : #include "gcach_ftyp.hxx"
28 : #include "generic/glyphcache.hxx"
29 : #include <graphite_features.hxx>
30 : #include <graphite_serverfont.hxx>
31 :
32 0 : float freetypeServerFontAdvance(const void* appFontHandle, gr_uint16 glyphId)
33 : {
34 : ServerFont * pServerFont =
35 : const_cast<ServerFont*>
36 0 : (reinterpret_cast<const ServerFont*>(appFontHandle));
37 0 : if (pServerFont)
38 : {
39 0 : return static_cast<float>(pServerFont->GetGlyphMetric(glyphId).GetCharWidth());
40 : }
41 0 : return .0f;
42 : }
43 :
44 : //
45 : // An implementation of the GraphiteLayout interface to enable Graphite enabled fonts to be used.
46 : //
47 :
48 0 : GraphiteServerFontLayout::GraphiteServerFontLayout(ServerFont& rServerFont) throw()
49 : : ServerFontLayout(rServerFont),
50 0 : maImpl(rServerFont.GetGraphiteFace()->face(),
51 : rServerFont),
52 0 : mpFeatures(NULL)
53 : {
54 0 : gr_font * pFont = rServerFont.GetGraphiteFace()->font(rServerFont.GetFontSelData().mnHeight);
55 0 : if (!pFont)
56 : {
57 : pFont = gr_make_font_with_advance_fn(
58 : // need to use mnHeight here, mfExactHeight can give wrong values
59 0 : static_cast<float>(rServerFont.GetFontSelData().mnHeight),
60 : &rServerFont,
61 : freetypeServerFontAdvance,
62 0 : rServerFont.GetGraphiteFace()->face());
63 0 : rServerFont.GetGraphiteFace()->addFont(rServerFont.GetFontSelData().mnHeight, pFont);
64 : }
65 0 : maImpl.SetFont(pFont);
66 0 : OString aLang("");
67 0 : if (rServerFont.GetFontSelData().meLanguage != LANGUAGE_DONTKNOW)
68 : {
69 0 : aLang = OUStringToOString( LanguageTag( rServerFont.GetFontSelData().meLanguage ).getBcp47(),
70 0 : RTL_TEXTENCODING_UTF8 );
71 : }
72 : OString name = OUStringToOString(
73 0 : rServerFont.GetFontSelData().maTargetName, RTL_TEXTENCODING_UTF8 );
74 : #ifdef DEBUG
75 : printf("GraphiteServerFontLayout %lx %s size %d %f\n", (long unsigned int)this, name.getStr(),
76 : rServerFont.GetMetricsFT().x_ppem,
77 : rServerFont.GetFontSelData().mfExactHeight);
78 : #endif
79 0 : sal_Int32 nFeat = name.indexOf(grutils::GrFeatureParser::FEAT_PREFIX) + 1;
80 0 : if (nFeat > 0)
81 : {
82 0 : OString aFeat = name.copy(nFeat, name.getLength() - nFeat);
83 : mpFeatures = new grutils::GrFeatureParser(
84 0 : rServerFont.GetGraphiteFace()->face(), aFeat, aLang);
85 : #ifdef DEBUG
86 : if (mpFeatures)
87 : printf("GraphiteServerFontLayout %s/%s/%s %x language %d features %d errors\n",
88 : OUStringToOString( rServerFont.GetFontSelData().GetFamilyName(),
89 : RTL_TEXTENCODING_UTF8 ).getStr(),
90 : OUStringToOString( rServerFont.GetFontSelData().maTargetName,
91 : RTL_TEXTENCODING_UTF8 ).getStr(),
92 : OUStringToOString( rServerFont.GetFontSelData().maSearchName,
93 : RTL_TEXTENCODING_UTF8 ).getStr(),
94 : rServerFont.GetFontSelData().meLanguage,
95 : (int)mpFeatures->numFeatures(), mpFeatures->parseErrors());
96 : #endif
97 : }
98 : else
99 : {
100 : mpFeatures = new grutils::GrFeatureParser(
101 0 : rServerFont.GetGraphiteFace()->face(), aLang);
102 : }
103 0 : maImpl.SetFeatures(mpFeatures);
104 0 : }
105 :
106 0 : GraphiteServerFontLayout::~GraphiteServerFontLayout() throw()
107 : {
108 0 : delete mpFeatures;
109 0 : mpFeatures = NULL;
110 0 : }
111 :
112 1051 : bool GraphiteServerFontLayout::IsGraphiteEnabledFont(ServerFont& rServerFont)
113 : {
114 1051 : if (rServerFont.GetGraphiteFace())
115 : {
116 : #ifdef DEBUG
117 : printf("IsGraphiteEnabledFont\n");
118 : #endif
119 0 : return true;
120 : }
121 1051 : return false;
122 : }
123 :
124 0 : sal_GlyphId GraphiteLayoutImpl::getKashidaGlyph(int & width)
125 : {
126 0 : int nKashidaIndex = mrServerFont.GetGlyphIndex( 0x0640 );
127 0 : if( nKashidaIndex != 0 )
128 : {
129 0 : const GlyphMetric& rGM = mrServerFont.GetGlyphMetric( nKashidaIndex );
130 0 : width = rGM.GetCharWidth();
131 : }
132 : else
133 : {
134 0 : width = 0;
135 : }
136 0 : return nKashidaIndex;
137 465 : }
138 :
139 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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