Mercurial > hg > orthanc-stone
comparison Framework/Viewport/CairoFont.cpp @ 0:351ab0da0150
initial commit
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Fri, 14 Oct 2016 15:34:11 +0200 |
parents | |
children | ff1e935768e7 |
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1 /** | |
2 * Stone of Orthanc | |
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
4 * Department, University Hospital of Liege, Belgium | |
5 * | |
6 * This program is free software: you can redistribute it and/or | |
7 * modify it under the terms of the GNU General Public License as | |
8 * published by the Free Software Foundation, either version 3 of the | |
9 * License, or (at your option) any later version. | |
10 * | |
11 * In addition, as a special exception, the copyright holders of this | |
12 * program give permission to link the code of its release with the | |
13 * OpenSSL project's "OpenSSL" library (or with modified versions of it | |
14 * that use the same license as the "OpenSSL" library), and distribute | |
15 * the linked executables. You must obey the GNU General Public License | |
16 * in all respects for all of the code used other than "OpenSSL". If you | |
17 * modify file(s) with this exception, you may extend this exception to | |
18 * your version of the file(s), but you are not obligated to do so. If | |
19 * you do not wish to do so, delete this exception statement from your | |
20 * version. If you delete this exception statement from all source files | |
21 * in the program, then also delete it here. | |
22 * | |
23 * This program is distributed in the hope that it will be useful, but | |
24 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
26 * General Public License for more details. | |
27 * | |
28 * You should have received a copy of the GNU General Public License | |
29 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
30 **/ | |
31 | |
32 | |
33 #include "CairoFont.h" | |
34 | |
35 #include "../Orthanc/Core/Logging.h" | |
36 #include "../Orthanc/Core/OrthancException.h" | |
37 | |
38 namespace OrthancStone | |
39 { | |
40 CairoFont::CairoFont(const char* family, | |
41 cairo_font_slant_t slant, | |
42 cairo_font_weight_t weight) | |
43 { | |
44 font_ = cairo_toy_font_face_create(family, slant, weight); | |
45 if (font_ == NULL) | |
46 { | |
47 LOG(ERROR) << "Unknown font: " << family; | |
48 throw Orthanc::OrthancException(Orthanc::ErrorCode_UnknownResource); | |
49 } | |
50 } | |
51 | |
52 | |
53 CairoFont::~CairoFont() | |
54 { | |
55 if (font_ != NULL) | |
56 { | |
57 cairo_font_face_destroy(font_); | |
58 } | |
59 } | |
60 | |
61 | |
62 void CairoFont::Draw(CairoContext& context, | |
63 const std::string& text, | |
64 double size) | |
65 { | |
66 if (size <= 0) | |
67 { | |
68 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); | |
69 } | |
70 | |
71 cairo_t* cr = context.GetObject(); | |
72 cairo_set_font_face(cr, font_); | |
73 cairo_set_font_size(cr, size); | |
74 cairo_show_text(cr, text.c_str()); | |
75 } | |
76 } |