Mercurial > hg > orthanc-stone

annotate Framework/Viewport/ViewportBase.cpp @ 1126:a8c3908ecba9 broker

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author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 05 Nov 2019 18:54:06 +0100
parents 6dd90b8d1589
children f3bb9a6dd949 2d8ab34c8c91
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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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5 * Copyright (C) 2017-2019 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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20
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21 #include "ViewportBase.h"
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22
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23 #include <Core/OrthancException.h>
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24
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25 #include <boost/make_shared.hpp>
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26
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27 namespace OrthancStone
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28 {
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29 ViewportBase::ViewportBase() :
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30 scene_(boost::make_shared<Scene2D>())
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31 {
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32 }
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33
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34
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35 ViewportBase::ViewportBase(boost::shared_ptr<Scene2D>& scene) :
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36 scene_(scene)
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37 {
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38 if (scene.get() == NULL)
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39 {
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40 throw Orthanc::OrthancException(Orthanc::ErrorCode_NullPointer);
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41 }
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42 }
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43
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44
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45 ScenePoint2D ViewportBase::GetPixelCenterCoordinates(int x, int y) const
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46 {
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47 if (HasCompositor())
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48 {
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49 const ICompositor& compositor = GetCompositor();
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50 return ScenePoint2D(
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51 static_cast<double>(x) + 0.5 - static_cast<double>(compositor.GetCanvasWidth()) / 2.0,
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52 static_cast<double>(y) + 0.5 - static_cast<double>(compositor.GetCanvasHeight()) / 2.0);
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53 }
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54 else
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55 {
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56 return ScenePoint2D(0, 0);
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57 }
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58 }
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59 }