Mercurial > hg > orthanc-stone
view Framework/Deprecated/Viewport/CairoFont.cpp @ 874:debb70fa10b5 am-dev
correct handling of deleted observers in OrthancApiClient
author | Alain Mazy <alain@mazy.be> |
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date | Wed, 03 Jul 2019 10:11:22 +0200 |
parents | c237e0625065 |
children | 2d8ab34c8c91 |
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/** * Stone of Orthanc * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics * Department, University Hospital of Liege, Belgium * Copyright (C) 2017-2019 Osimis S.A., Belgium * * This program is free software: you can redistribute it and/or * modify it under the terms of the GNU Affero 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 * Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. **/ #include "CairoFont.h" #include <Core/Logging.h> #include <Core/OrthancException.h> namespace Deprecated { CairoFont::CairoFont(const char* family, cairo_font_slant_t slant, cairo_font_weight_t weight) { font_ = cairo_toy_font_face_create(family, slant, weight); if (font_ == NULL) { LOG(ERROR) << "Unknown font: " << family; throw Orthanc::OrthancException(Orthanc::ErrorCode_UnknownResource); } } CairoFont::~CairoFont() { if (font_ != NULL) { cairo_font_face_destroy(font_); } } void CairoFont::Draw(OrthancStone::CairoContext& context, const std::string& text, double size) { if (size <= 0) { throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); } cairo_t* cr = context.GetObject(); cairo_set_font_face(cr, font_); cairo_set_font_size(cr, size); cairo_show_text(cr, text.c_str()); } }