Mercurial > hg > orthanc-stone
annotate Framework/Viewport/CairoFont.cpp @ 765:f6438fdc447e
cont
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Thu, 23 May 2019 14:57:52 +0200 |
| parents | b70e9be013e4 |
| children |
| rev | line source |
|---|---|
| 0 | 1 /** |
| 2 * Stone of Orthanc | |
| 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
| 4 * Department, University Hospital of Liege, Belgium | |
| 439 | 5 * Copyright (C) 2017-2019 Osimis S.A., Belgium |
| 0 | 6 * |
| 7 * This program is free software: you can redistribute it and/or | |
| 47 | 8 * modify it under the terms of the GNU Affero General Public License |
| 9 * as published by the Free Software Foundation, either version 3 of | |
| 10 * the License, or (at your option) any later version. | |
| 0 | 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 | |
| 47 | 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 15 * Affero General Public License for more details. | |
| 16 * | |
| 17 * You should have received a copy of the GNU Affero General Public License | |
| 0 | 18 * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 19 **/ | |
| 20 | |
| 21 | |
| 22 #include "CairoFont.h" | |
| 23 | |
|
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24 #include <Core/Logging.h> |
|
5412adf19980
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25 #include <Core/OrthancException.h> |
| 0 | 26 |
| 27 namespace OrthancStone | |
| 28 { | |
| 29 CairoFont::CairoFont(const char* family, | |
| 30 cairo_font_slant_t slant, | |
| 31 cairo_font_weight_t weight) | |
| 32 { | |
| 33 font_ = cairo_toy_font_face_create(family, slant, weight); | |
| 34 if (font_ == NULL) | |
| 35 { | |
| 36 LOG(ERROR) << "Unknown font: " << family; | |
| 37 throw Orthanc::OrthancException(Orthanc::ErrorCode_UnknownResource); | |
| 38 } | |
| 39 } | |
| 40 | |
| 41 | |
| 42 CairoFont::~CairoFont() | |
| 43 { | |
| 44 if (font_ != NULL) | |
| 45 { | |
| 46 cairo_font_face_destroy(font_); | |
| 47 } | |
| 48 } | |
| 49 | |
| 50 | |
| 51 void CairoFont::Draw(CairoContext& context, | |
| 52 const std::string& text, | |
| 53 double size) | |
| 54 { | |
| 55 if (size <= 0) | |
| 56 { | |
| 57 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
| 58 } | |
| 59 | |
| 60 cairo_t* cr = context.GetObject(); | |
| 61 cairo_set_font_face(cr, font_); | |
| 62 cairo_set_font_size(cr, size); | |
| 63 cairo_show_text(cr, text.c_str()); | |
| 64 } | |
| 65 } |