Mercurial > hg > orthanc-stone
annotate OrthancStone/Sources/Fonts/GlyphAlphabet.cpp @ 1909:782ba9eb6f22
improved variable names
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Tue, 01 Feb 2022 08:56:36 +0100 |
| parents | 7053b8a0aaec |
| children | 07964689cb0b |
| rev | line source |
|---|---|
| 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) 2017-2022 Osimis S.A., Belgium |
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6 * Copyright (C) 2021-2022 Sebastien Jodogne, ICTEAM UCLouvain, Belgium |
| 576 | 7 * |
| 8 * This program is free software: you can redistribute it and/or | |
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9 * modify it under the terms of the GNU Lesser General Public License |
| 576 | 10 * as published by the Free Software Foundation, either version 3 of |
| 11 * the License, or (at your option) any later version. | |
| 12 * | |
| 13 * This program is distributed in the hope that it will be useful, but | |
| 14 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
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15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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16 * Lesser General Public License for more details. |
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17 * |
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18 * You should have received a copy of the GNU Lesser General Public |
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19 * License along with this program. If not, see |
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20 * <http://www.gnu.org/licenses/>. |
| 576 | 21 **/ |
| 22 | |
| 23 | |
| 24 #include "GlyphAlphabet.h" | |
| 25 | |
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26 #include <OrthancException.h> |
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27 #include <Toolbox.h> |
| 576 | 28 |
| 29 | |
| 30 namespace OrthancStone | |
| 31 { | |
| 32 void GlyphAlphabet::Clear() | |
| 33 { | |
| 34 for (Content::const_iterator it = content_.begin(); it != content_.end(); ++it) | |
| 35 { | |
| 36 assert(it->second != NULL); | |
| 37 delete it->second; | |
| 38 } | |
| 39 content_.clear(); | |
| 40 lineHeight_ = 0; | |
| 41 } | |
| 42 | |
| 43 | |
| 44 void GlyphAlphabet::Register(uint32_t unicode, | |
| 45 const Glyph& glyph, | |
| 46 Orthanc::IDynamicObject* payload) | |
| 47 { | |
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48 std::unique_ptr<Orthanc::IDynamicObject> protection(payload); |
| 576 | 49 |
| 50 // Don't add twice the same character | |
| 51 if (content_.find(unicode) == content_.end()) | |
| 52 { | |
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53 std::unique_ptr<Glyph> raii(new Glyph(glyph)); |
| 576 | 54 |
| 55 if (payload != NULL) | |
| 56 { | |
| 57 raii->SetPayload(protection.release()); | |
| 58 } | |
| 59 | |
| 60 content_[unicode] = raii.release(); | |
| 61 | |
| 62 lineHeight_ = std::max(lineHeight_, glyph.GetLineHeight()); | |
| 63 } | |
| 64 } | |
| 65 | |
| 66 | |
| 67 void GlyphAlphabet::Register(FontRenderer& renderer, | |
| 68 uint32_t unicode) | |
| 69 { | |
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70 std::unique_ptr<Glyph> glyph(renderer.Render(unicode)); |
| 576 | 71 |
| 72 if (glyph.get() != NULL) | |
| 73 { | |
| 74 Register(unicode, *glyph, glyph->ReleasePayload()); | |
| 75 } | |
| 76 } | |
| 77 | |
| 78 | |
| 79 #if ORTHANC_ENABLE_LOCALE == 1 | |
| 80 bool GlyphAlphabet::GetUnicodeFromCodepage(uint32_t& unicode, | |
| 81 unsigned int index, | |
| 82 Orthanc::Encoding encoding) | |
| 83 { | |
| 84 if (index > 255) | |
| 85 { | |
| 86 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
| 87 } | |
| 88 | |
| 89 std::string character; | |
| 90 character.resize(1); | |
| 91 character[0] = static_cast<unsigned char>(index); | |
| 92 | |
| 93 std::string utf8 = Orthanc::Toolbox::ConvertToUtf8(character, encoding, false /* no code extensions */); | |
| 94 | |
| 95 if (utf8.empty()) | |
| 96 { | |
| 97 // This character is not available in this codepage | |
| 98 return false; | |
| 99 } | |
| 100 else | |
| 101 { | |
| 102 size_t length; | |
| 103 Orthanc::Toolbox::Utf8ToUnicodeCharacter(unicode, length, utf8, 0); | |
| 104 assert(length != 0); | |
| 105 return true; | |
| 106 } | |
| 107 } | |
| 108 #endif | |
| 109 | |
| 110 | |
| 111 void GlyphAlphabet::Apply(IGlyphVisitor& visitor) const | |
| 112 { | |
| 113 for (Content::const_iterator it = content_.begin(); it != content_.end(); ++it) | |
| 114 { | |
| 115 assert(it->second != NULL); | |
| 116 visitor.Visit(it->first, *it->second); | |
| 117 } | |
| 118 } | |
| 119 | |
| 120 | |
| 121 void GlyphAlphabet::Apply(ITextVisitor& visitor, | |
| 122 const std::string& utf8) const | |
| 123 { | |
| 124 size_t pos = 0; | |
| 125 int x = 0; | |
| 126 int y = 0; | |
| 127 | |
| 128 while (pos < utf8.size()) | |
| 129 { | |
| 130 if (utf8[pos] == '\r') | |
| 131 { | |
| 132 // Ignore carriage return | |
| 133 pos++; | |
| 134 } | |
| 135 else if (utf8[pos] == '\n') | |
| 136 { | |
| 137 // This is a newline character | |
| 138 x = 0; | |
| 139 y += static_cast<int>(lineHeight_); | |
| 140 | |
| 141 pos++; | |
| 142 } | |
| 143 else | |
| 144 { | |
| 145 uint32_t unicode; | |
| 146 size_t length; | |
| 147 Orthanc::Toolbox::Utf8ToUnicodeCharacter(unicode, length, utf8, pos); | |
| 148 | |
| 149 Content::const_iterator glyph = content_.find(unicode); | |
| 150 | |
| 151 if (glyph != content_.end()) | |
| 152 { | |
| 153 assert(glyph->second != NULL); | |
| 154 const Orthanc::IDynamicObject* payload = | |
| 155 (glyph->second->HasPayload() ? &glyph->second->GetPayload() : NULL); | |
| 156 | |
| 157 visitor.Visit(unicode, | |
| 158 x + glyph->second->GetOffsetLeft(), | |
| 159 y + glyph->second->GetOffsetTop(), | |
| 160 glyph->second->GetWidth(), | |
| 161 glyph->second->GetHeight(), | |
| 162 payload); | |
| 163 x += glyph->second->GetAdvanceX(); | |
| 164 } | |
| 165 | |
| 166 assert(length != 0); | |
| 167 pos += length; | |
| 168 } | |
| 169 } | |
| 170 } | |
| 171 } |