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annotate Framework/Messages/ObserverBase.h @ 1327:4f8db2d202c8 broker

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OrthancSeriesProgressiveLoader now has two modes that can be selected at object creation : - progressive (will first load jpeg50, then jpeg90 then PAM) - non-progressive (will directly load PAM (uncompressed)) Please note that the slice loading order remains dynamic and depending upon the slice that the client code wishes to extract from the volume.
author Benjamin Golinvaux <bgo@osimis.io>
date Wed, 25 Mar 2020 14:34:27 +0100
parents 0ca50d275b9a
children 30deba7bc8e2
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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 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
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22 #pragma once
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23
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24 #include "ICallable.h"
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25 #include "IObserver.h"
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26 #include "IObservable.h"
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28 #include <Core/OrthancException.h>
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30 #include <boost/enable_shared_from_this.hpp>
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32 namespace OrthancStone
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33 {
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34 template <typename TObserver>
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35 class ObserverBase :
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36 public IObserver,
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37 public boost::enable_shared_from_this<TObserver>
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38 {
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39 public:
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40 boost::shared_ptr<TObserver> GetSharedObserver()
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41 {
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42 try
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43 {
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44 return this->shared_from_this();
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45 }
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46 catch (boost::bad_weak_ptr&)
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47 {
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48 throw Orthanc::OrthancException(
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49 Orthanc::ErrorCode_InternalError,
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50 "Cannot get a shared pointer to an observer from its constructor, "
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51 "or the observer is not created as a shared pointer");
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52 }
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53 }
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54
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55 template <typename TMessage>
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56 ICallable* CreateCallable(void (TObserver::* MemberMethod) (const TMessage&))
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57 {
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58 return new Callable<TObserver, TMessage>(GetSharedObserver(), MemberMethod);
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59 }
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60
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61 template <typename TMessage>
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62 void Register(IObservable& observable,
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63 void (TObserver::* MemberMethod) (const TMessage&))
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64 {
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65 observable.RegisterCallable(CreateCallable(MemberMethod));
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66 }
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67 };
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68 }