Mercurial > hg > orthanc-stone
annotate Framework/Layers/LineMeasureTracker.cpp @ 585:b9ce24c606ae
TextSceneLayer
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Fri, 19 Apr 2019 17:57:58 +0200 |
parents | 3b4df9925db6 |
children | 4f2416d519b4 |
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 | |
439 | 5 * Copyright (C) 2017-2019 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 #include "LineMeasureTracker.h" | |
23 | |
24 #include <stdio.h> | |
25 | |
26 namespace OrthancStone | |
27 { | |
28 LineMeasureTracker::LineMeasureTracker(IStatusBar* statusBar, | |
110
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29 const CoordinateSystem3D& slice, |
0 | 30 double x, |
31 double y, | |
32 uint8_t red, | |
33 uint8_t green, | |
34 uint8_t blue, | |
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35 const Orthanc::Font& font) : |
0 | 36 statusBar_(statusBar), |
37 slice_(slice), | |
38 x1_(x), | |
39 y1_(y), | |
40 x2_(x), | |
41 y2_(y), | |
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42 font_(font) |
0 | 43 { |
44 color_[0] = red; | |
45 color_[1] = green; | |
46 color_[2] = blue; | |
47 } | |
48 | |
49 | |
50 void LineMeasureTracker::Render(CairoContext& context, | |
51 double zoom) | |
52 { | |
53 context.SetSourceColor(color_[0], color_[1], color_[2]); | |
54 | |
55 cairo_t* cr = context.GetObject(); | |
56 cairo_set_line_width(cr, 2.0 / zoom); | |
57 cairo_move_to(cr, x1_, y1_); | |
58 cairo_line_to(cr, x2_, y2_); | |
59 cairo_stroke(cr); | |
60 | |
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61 if (y2_ - y1_ < 0) |
0 | 62 { |
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63 context.DrawText(font_, FormatLength(), x2_, y2_ - 5, BitmapAnchor_BottomCenter); |
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64 } |
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65 else |
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66 { |
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67 context.DrawText(font_, FormatLength(), x2_, y2_ + 5, BitmapAnchor_TopCenter); |
0 | 68 } |
69 } | |
70 | |
71 | |
72 double LineMeasureTracker::GetLength() const // In millimeters | |
73 { | |
74 Vector a = slice_.MapSliceToWorldCoordinates(x1_, y1_); | |
75 Vector b = slice_.MapSliceToWorldCoordinates(x2_, y2_); | |
76 return boost::numeric::ublas::norm_2(b - a); | |
77 } | |
78 | |
79 | |
80 std::string LineMeasureTracker::FormatLength() const | |
81 { | |
82 char buf[64]; | |
83 sprintf(buf, "%0.01f cm", GetLength() / 10.0); | |
84 return buf; | |
85 } | |
86 | |
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87 void LineMeasureTracker::MouseMove(int displayX, |
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88 int displayY, |
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89 double x, |
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90 double y, |
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91 const std::vector<Touch>& displayTouches, |
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92 const std::vector<Touch>& sceneTouches) |
0 | 93 { |
94 x2_ = x; | |
95 y2_ = y; | |
96 | |
97 if (statusBar_ != NULL) | |
98 { | |
99 statusBar_->SetMessage("Line length: " + FormatLength()); | |
100 } | |
101 } | |
102 } |