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comparison Framework/Layers/MissingLayerRenderer.h @ 88:90bf4116a23c wasm

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ISlicedVolume
author Sebastien Jodogne <s.jodogne@gmail.com>
date Fri, 26 May 2017 16:11:52 +0200
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87:4a541cd4fa83 88:90bf4116a23c
1 /**
2 * Stone of Orthanc
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
4 * Department, University Hospital of Liege, Belgium
5 * Copyright (C) 2017 Osimis, Belgium
6 *
7 * This program is free software: you can redistribute it and/or
8 * modify it under the terms of the GNU Affero General Public License
9 * as published by the Free Software Foundation, either version 3 of
10 * the License, or (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Affero General Public License for more details.
16 *
17 * You should have received a copy of the GNU Affero General Public License
18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
19 **/
20
21
22 #pragma once
23
24 #include "ILayerRenderer.h"
25
26 namespace OrthancStone
27 {
28 class MissingLayerRenderer : public ILayerRenderer
29 {
30 private:
31 double x1_;
32 double y1_;
33 double x2_;
34 double y2_;
35 RenderStyle style_;
36
37 public:
38 MissingLayerRenderer(double x1,
39 double y1,
40 double x2,
41 double y2) :
42 x1_(x1),
43 y1_(y1),
44 x2_(x2),
45 y2_(y2)
46 {
47 if (x1_ > x2_)
48 {
49 std::swap(x1_, x2_);
50 }
51
52 if (y1_ > y2_)
53 {
54 std::swap(y1_, y2_);
55 }
56 }
57
58 virtual bool RenderLayer(CairoContext& context,
59 const ViewportGeometry& view,
60 const SliceGeometry& viewportSlice)
61 {
62 if (style_.visible_)
63 {
64 view.ApplyTransform(context);
65 context.SetSourceColor(style_.drawColor_);
66
67 cairo_t *cr = context.GetObject();
68 cairo_set_line_width(cr, 1.0 / view.GetZoom());
69 cairo_rectangle(cr, x1_, y1_, x2_ - x1_, y2_ - y1_);
70
71 double handleSize = 10.0f / view.GetZoom();
72 cairo_move_to(cr, x1_ + handleSize, y1_);
73 cairo_line_to(cr, x1_, y1_ + handleSize);
74
75 cairo_stroke(cr);
76 }
77
78 return true;
79 }
80
81 virtual void SetLayerStyle(const RenderStyle& style)
82 {
83 style_ = style;
84 }
85
86 virtual bool IsFullQuality()
87 {
88 return true;
89 }
90 };
91 }