annotate Framework/Viewport/CairoFont.cpp @ 334:c34784e5f299 am-2

compatibility fixes
author Sebastien Jodogne <s.jodogne@gmail.com>
date Thu, 18 Oct 2018 09:02:24 +0200
parents 5412adf19980
children b70e9be013e4
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1 /**
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2 * Stone of Orthanc
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3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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4 * Department, University Hospital of Liege, Belgium
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4cff7b1ed31d upgrade to year 2018
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5 * Copyright (C) 2017-2018 Osimis S.A., Belgium
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6 *
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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 Affero General Public License
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9 * as published by the Free Software Foundation, either version 3 of
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10 * the License, or (at your option) any later version.
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11 *
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12 * This program is distributed in the hope that it will be useful, but
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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 * Affero 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 Affero General Public License
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18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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19 **/
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22 #include "CairoFont.h"
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24 #include <Core/Logging.h>
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25 #include <Core/OrthancException.h>
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27 namespace OrthancStone
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28 {
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29 CairoFont::CairoFont(const char* family,
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30 cairo_font_slant_t slant,
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31 cairo_font_weight_t weight)
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32 {
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33 font_ = cairo_toy_font_face_create(family, slant, weight);
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34 if (font_ == NULL)
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35 {
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36 LOG(ERROR) << "Unknown font: " << family;
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37 throw Orthanc::OrthancException(Orthanc::ErrorCode_UnknownResource);
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38 }
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39 }
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42 CairoFont::~CairoFont()
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43 {
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44 if (font_ != NULL)
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45 {
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46 cairo_font_face_destroy(font_);
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47 }
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48 }
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51 void CairoFont::Draw(CairoContext& context,
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52 const std::string& text,
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53 double size)
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54 {
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55 if (size <= 0)
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56 {
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57 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
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58 }
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60 cairo_t* cr = context.GetObject();
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61 cairo_set_font_face(cr, font_);
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62 cairo_set_font_size(cr, size);
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63 cairo_show_text(cr, text.c_str());
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64 }
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65 }