Mercurial > hg > orthanc-stone
view OrthancStone/Sources/Fonts/GlyphAlphabet.cpp @ 2174:2410a171ebfb
refactoring using DicomWebDataset and OrthancNativeDataset
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 22 Oct 2024 21:52:34 +0200 |
parents | 16c01cc201e7 |
children |
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/** * Stone of Orthanc * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics * Department, University Hospital of Liege, Belgium * Copyright (C) 2017-2023 Osimis S.A., Belgium * Copyright (C) 2021-2024 Sebastien Jodogne, ICTEAM UCLouvain, Belgium * * This program is free software: you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public License * as published by the Free Software Foundation, either version 3 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this program. If not, see * <http://www.gnu.org/licenses/>. **/ #include "GlyphAlphabet.h" #include <OrthancException.h> #include <Toolbox.h> namespace OrthancStone { void GlyphAlphabet::Clear() { for (Content::const_iterator it = content_.begin(); it != content_.end(); ++it) { assert(it->second != NULL); delete it->second; } content_.clear(); lineHeight_ = 0; } void GlyphAlphabet::Register(uint32_t unicode, const Glyph& glyph, Orthanc::IDynamicObject* payload) { std::unique_ptr<Orthanc::IDynamicObject> protection(payload); // Don't add twice the same character if (content_.find(unicode) == content_.end()) { std::unique_ptr<Glyph> raii(new Glyph(glyph)); if (payload != NULL) { raii->SetPayload(protection.release()); } content_[unicode] = raii.release(); lineHeight_ = std::max(lineHeight_, glyph.GetLineHeight()); } } void GlyphAlphabet::Register(FontRenderer& renderer, uint32_t unicode) { std::unique_ptr<Glyph> glyph(renderer.Render(unicode)); if (glyph.get() != NULL) { Register(unicode, *glyph, glyph->ReleasePayload()); } } #if ORTHANC_ENABLE_LOCALE == 1 bool GlyphAlphabet::GetUnicodeFromCodepage(uint32_t& unicode, unsigned int index, Orthanc::Encoding encoding) { if (index > 255) { throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); } std::string character; character.resize(1); character[0] = static_cast<unsigned char>(index); std::string utf8 = Orthanc::Toolbox::ConvertToUtf8(character, encoding, false /* no code extensions */); if (utf8.empty()) { // This character is not available in this codepage return false; } else { size_t length; Orthanc::Toolbox::Utf8ToUnicodeCharacter(unicode, length, utf8, 0); assert(length != 0); return true; } } #endif void GlyphAlphabet::Apply(IGlyphVisitor& visitor) const { for (Content::const_iterator it = content_.begin(); it != content_.end(); ++it) { assert(it->second != NULL); visitor.Visit(it->first, *it->second); } } void GlyphAlphabet::Apply(ITextVisitor& visitor, const std::string& utf8) const { size_t pos = 0; int x = 0; int y = 0; while (pos < utf8.size()) { if (utf8[pos] == '\r') { // Ignore carriage return pos++; } else if (utf8[pos] == '\n') { // This is a newline character x = 0; y += static_cast<int>(lineHeight_); pos++; } else { uint32_t unicode; size_t length; Orthanc::Toolbox::Utf8ToUnicodeCharacter(unicode, length, utf8, pos); Content::const_iterator glyph = content_.find(unicode); if (glyph != content_.end()) { assert(glyph->second != NULL); const Orthanc::IDynamicObject* payload = (glyph->second->HasPayload() ? &glyph->second->GetPayload() : NULL); visitor.Visit(unicode, x + glyph->second->GetOffsetLeft(), y + glyph->second->GetOffsetTop(), glyph->second->GetWidth(), glyph->second->GetHeight(), payload); x += glyph->second->GetAdvanceX(); } assert(length != 0); pos += length; } } } }