annotate Framework/Scene2D/Internals/FixedPointAligner.h @ 847:df6c52402484

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author Benjamin Golinvaux <bgo@osimis.io>
date Sat, 15 Jun 2019 20:37:48 +0200
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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 #pragma once
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23 #include "../../Scene2DViewport/PredeclaredTypes.h"
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24 #include "../../Scene2D/ScenePoint2D.h"
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26 namespace OrthancStone
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27 {
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28 namespace Internals
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29 {
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30 // During a mouse event that modifies the view of a scene, keeps
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31 // one point (the pivot) at a fixed position on the canvas
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32 class FixedPointAligner : public boost::noncopyable
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33 {
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34 private:
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35 boost::weak_ptr<ViewportController> controllerW_;
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36 ScenePoint2D pivot_;
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37 ScenePoint2D canvas_;
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39 public:
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40 FixedPointAligner(boost::weak_ptr<ViewportController> controllerW,
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41 const ScenePoint2D& p);
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43 void Apply();
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44 };
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45 }
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46 }