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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 Osimis, 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 "ILayerRenderer.h"
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25
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26 namespace OrthancStone
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27 {
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28 class MissingLayerRenderer : public ILayerRenderer
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29 {
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30 private:
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31 double x1_;
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32 double y1_;
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33 double x2_;
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34 double y2_;
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35 RenderStyle style_;
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36
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37 public:
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38 MissingLayerRenderer(double x1,
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39 double y1,
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40 double x2,
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41 double y2) :
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42 x1_(x1),
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43 y1_(y1),
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44 x2_(x2),
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45 y2_(y2)
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46 {
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47 if (x1_ > x2_)
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48 {
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49 std::swap(x1_, x2_);
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50 }
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51
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52 if (y1_ > y2_)
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53 {
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54 std::swap(y1_, y2_);
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55 }
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56 }
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57
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58 virtual bool RenderLayer(CairoContext& context,
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59 const ViewportGeometry& view,
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60 const SliceGeometry& viewportSlice)
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61 {
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62 if (style_.visible_)
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63 {
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64 view.ApplyTransform(context);
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65 context.SetSourceColor(style_.drawColor_);
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66
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67 cairo_t *cr = context.GetObject();
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68 cairo_set_line_width(cr, 1.0 / view.GetZoom());
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69 cairo_rectangle(cr, x1_, y1_, x2_ - x1_, y2_ - y1_);
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70
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71 double handleSize = 10.0f / view.GetZoom();
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72 cairo_move_to(cr, x1_ + handleSize, y1_);
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73 cairo_line_to(cr, x1_, y1_ + handleSize);
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74
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75 cairo_stroke(cr);
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76 }
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77
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78 return true;
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79 }
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80
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81 virtual void SetLayerStyle(const RenderStyle& style)
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82 {
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83 style_ = style;
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84 }
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85
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86 virtual bool IsFullQuality()
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87 {
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88 return true;
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89 }
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90 };
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91 }
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