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annotate OrthancStone/Sources/Scene2D/Internals/FixedPointAligner.cpp @ 1608:646e581e115b

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replacing nullptr by NULL for VS2008 compatibility
author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 28 Oct 2020 22:21:06 +0100
parents 874e178f34e9
children 9ac2a65d4172
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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) 2017-2020 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 Lesser 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 * Lesser 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 Lesser General Public
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18 * License along with this program. If not, see
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19 * <http://www.gnu.org/licenses/>.
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20 **/
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21
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22 #include "../../Scene2DViewport/ViewportController.h"
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23 #include "FixedPointAligner.h"
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25 namespace OrthancStone
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26 {
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27 namespace Internals
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28 {
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29 FixedPointAligner::FixedPointAligner(boost::weak_ptr<IViewport> viewport,
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30 const ScenePoint2D& p)
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31 : viewport_(viewport)
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32 , canvas_(p)
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33 {
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34 std::unique_ptr<IViewport::ILock> lock(GetViewportLock());
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35 pivot_ = canvas_.Apply(lock->GetController().GetCanvasToSceneTransform());
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36 }
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37
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38 IViewport::ILock* FixedPointAligner::GetViewportLock()
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39 {
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40 boost::shared_ptr<IViewport> viewport = viewport_.lock();
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41 if (viewport)
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42 return viewport->Lock();
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43 else
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44 return NULL;
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45 }
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47 void FixedPointAligner::Apply()
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48 {
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49 std::unique_ptr<IViewport::ILock> lock(GetViewportLock());
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50 ScenePoint2D p = canvas_.Apply(
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51 lock->GetController().GetCanvasToSceneTransform());
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52
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53 lock->GetController().SetSceneToCanvasTransform(
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54 AffineTransform2D::Combine(
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55 lock->GetController().GetSceneToCanvasTransform(),
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56 AffineTransform2D::CreateOffset(p.GetX() - pivot_.GetX(),
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57 p.GetY() - pivot_.GetY())));
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58 lock->Invalidate();
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59 }
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60 }
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61 }