Mercurial > hg > orthanc-stone
annotate Framework/Layers/CircleMeasureTracker.cpp @ 372:17d1814c2fd4 am-2
integration default->am-2
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Mon, 05 Nov 2018 10:05:33 +0100 |
parents | a7de01c8fd29 |
children | 70256a53ff21 |
rev | line source |
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0 | 1 /** |
2 * Stone of Orthanc | |
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
4 * Department, University Hospital of Liege, Belgium | |
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5 * Copyright (C) 2017-2018 Osimis S.A., Belgium |
0 | 6 * |
7 * This program is free software: you can redistribute it and/or | |
47 | 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. | |
0 | 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 | |
47 | 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 | |
0 | 18 * along with this program. If not, see <http://www.gnu.org/licenses/>. |
19 **/ | |
20 | |
21 | |
22 #define _USE_MATH_DEFINES // To access M_PI in Visual Studio | |
23 #include <cmath> | |
24 | |
25 #include "CircleMeasureTracker.h" | |
26 | |
27 #include <stdio.h> | |
28 | |
29 namespace OrthancStone | |
30 { | |
31 CircleMeasureTracker::CircleMeasureTracker(IStatusBar* statusBar, | |
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32 const CoordinateSystem3D& slice, |
0 | 33 double x, |
34 double y, | |
35 uint8_t red, | |
36 uint8_t green, | |
37 uint8_t blue, | |
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38 const Orthanc::Font& font) : |
0 | 39 statusBar_(statusBar), |
40 slice_(slice), | |
41 x1_(x), | |
42 y1_(y), | |
43 x2_(x), | |
44 y2_(y), | |
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45 font_(font) |
0 | 46 { |
47 color_[0] = red; | |
48 color_[1] = green; | |
49 color_[2] = blue; | |
50 } | |
51 | |
52 | |
53 void CircleMeasureTracker::Render(CairoContext& context, | |
54 double zoom) | |
55 { | |
56 double x = (x1_ + x2_) / 2.0; | |
57 double y = (y1_ + y2_) / 2.0; | |
58 | |
59 Vector tmp; | |
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60 LinearAlgebra::AssignVector(tmp, x2_ - x1_, y2_ - y1_); |
0 | 61 double r = boost::numeric::ublas::norm_2(tmp) / 2.0; |
62 | |
63 context.SetSourceColor(color_[0], color_[1], color_[2]); | |
64 | |
65 cairo_t* cr = context.GetObject(); | |
66 cairo_save(cr); | |
67 cairo_set_line_width(cr, 2.0 / zoom); | |
68 cairo_translate(cr, x, y); | |
69 cairo_arc(cr, 0, 0, r, 0, 2 * M_PI); | |
70 cairo_stroke_preserve(cr); | |
71 cairo_stroke(cr); | |
72 cairo_restore(cr); | |
73 | |
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74 context.DrawText(font_, FormatRadius(), x, y, BitmapAnchor_Center); |
0 | 75 } |
76 | |
77 | |
78 double CircleMeasureTracker::GetRadius() const // In millimeters | |
79 { | |
80 Vector a = slice_.MapSliceToWorldCoordinates(x1_, y1_); | |
81 Vector b = slice_.MapSliceToWorldCoordinates(x2_, y2_); | |
82 return boost::numeric::ublas::norm_2(b - a) / 2.0; | |
83 } | |
84 | |
85 | |
86 std::string CircleMeasureTracker::FormatRadius() const | |
87 { | |
88 char buf[64]; | |
89 sprintf(buf, "%0.01f cm", GetRadius() / 10.0); | |
90 return buf; | |
91 } | |
92 | |
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93 void CircleMeasureTracker::MouseMove(int displayX, |
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94 int displayY, |
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95 double x, |
0 | 96 double y) |
97 { | |
98 x2_ = x; | |
99 y2_ = y; | |
100 | |
101 if (statusBar_ != NULL) | |
102 { | |
103 statusBar_->SetMessage("Circle radius: " + FormatRadius()); | |
104 } | |
105 } | |
106 } |