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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
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22 #include "OpenGLInfoPanelRenderer.h"
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23
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24 namespace OrthancStone
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25 {
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26 namespace Internals
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27 {
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28 void OpenGLInfoPanelRenderer::LoadTexture(const InfoPanelSceneLayer& layer)
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29 {
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30 context_.MakeCurrent();
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31 texture_.reset(new OpenGL::OpenGLTexture);
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32 texture_->Load(layer.GetTexture(), layer.IsLinearInterpolation());
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33 anchor_ = layer.GetAnchor();
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34 }
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35
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36
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37 OpenGLInfoPanelRenderer::OpenGLInfoPanelRenderer(OpenGL::IOpenGLContext& context,
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38 OpenGLColorTextureProgram& program,
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39 const InfoPanelSceneLayer& layer) :
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40 context_(context),
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41 program_(program)
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42 {
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43 LoadTexture(layer);
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44 }
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45
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46
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47 void OpenGLInfoPanelRenderer::Render(const AffineTransform2D& transform)
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48 {
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49 if (texture_.get() != NULL)
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50 {
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51 int dx, dy;
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52 InfoPanelSceneLayer::ComputeAnchorLocation(
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53 dx, dy, anchor_, texture_->GetWidth(), texture_->GetHeight(),
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54 context_.GetCanvasWidth(), context_.GetCanvasHeight());
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55
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56 // The position of this type of layer is layer: Ignore the
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57 // "transform" coming from the scene
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58 program_.Apply(*texture_, AffineTransform2D::CreateOffset(dx, dy), true);
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59 }
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60 }
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61 }
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62 }
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