Mercurial > hg > orthanc-stone
annotate OrthancStone/Sources/Fonts/GlyphAlphabet.cpp @ 1729:f62f5ee5a432
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author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Wed, 02 Dec 2020 07:08:29 +0100 |
parents | 8563ea5d8ae4 |
children | 9ac2a65d4172 |
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576 | 1 /** |
2 * Stone of Orthanc | |
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
4 * Department, University Hospital of Liege, Belgium | |
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5 * Copyright (C) 2017-2020 Osimis S.A., Belgium |
576 | 6 * |
7 * This program is free software: you can redistribute it and/or | |
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8 * modify it under the terms of the GNU Lesser General Public License |
576 | 9 * as published by the Free Software Foundation, either version 3 of |
10 * the License, or (at your option) any later version. | |
11 * | |
12 * This program is distributed in the hope that it will be useful, but | |
13 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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15 * Lesser General Public License for more details. |
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16 * |
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17 * You should have received a copy of the GNU Lesser General Public |
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18 * License along with this program. If not, see |
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19 * <http://www.gnu.org/licenses/>. |
576 | 20 **/ |
21 | |
22 | |
23 #include "GlyphAlphabet.h" | |
24 | |
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25 #include <OrthancException.h> |
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26 #include <Toolbox.h> |
576 | 27 |
28 | |
29 namespace OrthancStone | |
30 { | |
31 void GlyphAlphabet::Clear() | |
32 { | |
33 for (Content::const_iterator it = content_.begin(); it != content_.end(); ++it) | |
34 { | |
35 assert(it->second != NULL); | |
36 delete it->second; | |
37 } | |
38 content_.clear(); | |
39 lineHeight_ = 0; | |
40 } | |
41 | |
42 | |
43 void GlyphAlphabet::Register(uint32_t unicode, | |
44 const Glyph& glyph, | |
45 Orthanc::IDynamicObject* payload) | |
46 { | |
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47 std::unique_ptr<Orthanc::IDynamicObject> protection(payload); |
576 | 48 |
49 // Don't add twice the same character | |
50 if (content_.find(unicode) == content_.end()) | |
51 { | |
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52 std::unique_ptr<Glyph> raii(new Glyph(glyph)); |
576 | 53 |
54 if (payload != NULL) | |
55 { | |
56 raii->SetPayload(protection.release()); | |
57 } | |
58 | |
59 content_[unicode] = raii.release(); | |
60 | |
61 lineHeight_ = std::max(lineHeight_, glyph.GetLineHeight()); | |
62 } | |
63 } | |
64 | |
65 | |
66 void GlyphAlphabet::Register(FontRenderer& renderer, | |
67 uint32_t unicode) | |
68 { | |
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69 std::unique_ptr<Glyph> glyph(renderer.Render(unicode)); |
576 | 70 |
71 if (glyph.get() != NULL) | |
72 { | |
73 Register(unicode, *glyph, glyph->ReleasePayload()); | |
74 } | |
75 } | |
76 | |
77 | |
78 #if ORTHANC_ENABLE_LOCALE == 1 | |
79 bool GlyphAlphabet::GetUnicodeFromCodepage(uint32_t& unicode, | |
80 unsigned int index, | |
81 Orthanc::Encoding encoding) | |
82 { | |
83 if (index > 255) | |
84 { | |
85 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
86 } | |
87 | |
88 std::string character; | |
89 character.resize(1); | |
90 character[0] = static_cast<unsigned char>(index); | |
91 | |
92 std::string utf8 = Orthanc::Toolbox::ConvertToUtf8(character, encoding, false /* no code extensions */); | |
93 | |
94 if (utf8.empty()) | |
95 { | |
96 // This character is not available in this codepage | |
97 return false; | |
98 } | |
99 else | |
100 { | |
101 size_t length; | |
102 Orthanc::Toolbox::Utf8ToUnicodeCharacter(unicode, length, utf8, 0); | |
103 assert(length != 0); | |
104 return true; | |
105 } | |
106 } | |
107 #endif | |
108 | |
109 | |
110 void GlyphAlphabet::Apply(IGlyphVisitor& visitor) const | |
111 { | |
112 for (Content::const_iterator it = content_.begin(); it != content_.end(); ++it) | |
113 { | |
114 assert(it->second != NULL); | |
115 visitor.Visit(it->first, *it->second); | |
116 } | |
117 } | |
118 | |
119 | |
120 void GlyphAlphabet::Apply(ITextVisitor& visitor, | |
121 const std::string& utf8) const | |
122 { | |
123 size_t pos = 0; | |
124 int x = 0; | |
125 int y = 0; | |
126 | |
127 while (pos < utf8.size()) | |
128 { | |
129 if (utf8[pos] == '\r') | |
130 { | |
131 // Ignore carriage return | |
132 pos++; | |
133 } | |
134 else if (utf8[pos] == '\n') | |
135 { | |
136 // This is a newline character | |
137 x = 0; | |
138 y += static_cast<int>(lineHeight_); | |
139 | |
140 pos++; | |
141 } | |
142 else | |
143 { | |
144 uint32_t unicode; | |
145 size_t length; | |
146 Orthanc::Toolbox::Utf8ToUnicodeCharacter(unicode, length, utf8, pos); | |
147 | |
148 Content::const_iterator glyph = content_.find(unicode); | |
149 | |
150 if (glyph != content_.end()) | |
151 { | |
152 assert(glyph->second != NULL); | |
153 const Orthanc::IDynamicObject* payload = | |
154 (glyph->second->HasPayload() ? &glyph->second->GetPayload() : NULL); | |
155 | |
156 visitor.Visit(unicode, | |
157 x + glyph->second->GetOffsetLeft(), | |
158 y + glyph->second->GetOffsetTop(), | |
159 glyph->second->GetWidth(), | |
160 glyph->second->GetHeight(), | |
161 payload); | |
162 x += glyph->second->GetAdvanceX(); | |
163 } | |
164 | |
165 assert(length != 0); | |
166 pos += length; | |
167 } | |
168 } | |
169 } | |
170 } |