Mercurial > hg > orthanc-stone
annotate OrthancStone/Sources/Fonts/GlyphAlphabet.cpp @ 1628:555870323ebc
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| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Sat, 07 Nov 2020 00:08:45 +0100 |
| parents | 8563ea5d8ae4 |
| children | 9ac2a65d4172 |
| 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) 2017-2020 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 } |