Mercurial > hg > orthanc-stone
annotate Framework/Layers/CircleMeasureTracker.cpp @ 467:22b80f5c3a1c am-touch-events
fix for SDL builds
author | am@osimis.io |
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date | Tue, 12 Feb 2019 10:01:49 +0100 |
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 "CircleMeasureTracker.h" | |
23 | |
24 #include <stdio.h> | |
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25 #include <boost/math/constants/constants.hpp> |
0 | 26 |
27 namespace OrthancStone | |
28 { | |
29 CircleMeasureTracker::CircleMeasureTracker(IStatusBar* statusBar, | |
110
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30 const CoordinateSystem3D& slice, |
0 | 31 double x, |
32 double y, | |
33 uint8_t red, | |
34 uint8_t green, | |
35 uint8_t blue, | |
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36 const Orthanc::Font& font) : |
0 | 37 statusBar_(statusBar), |
38 slice_(slice), | |
39 x1_(x), | |
40 y1_(y), | |
41 x2_(x), | |
42 y2_(y), | |
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43 font_(font) |
0 | 44 { |
45 color_[0] = red; | |
46 color_[1] = green; | |
47 color_[2] = blue; | |
48 } | |
49 | |
50 | |
51 void CircleMeasureTracker::Render(CairoContext& context, | |
52 double zoom) | |
53 { | |
54 double x = (x1_ + x2_) / 2.0; | |
55 double y = (y1_ + y2_) / 2.0; | |
56 | |
57 Vector tmp; | |
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LinearAlgebra toolbox
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58 LinearAlgebra::AssignVector(tmp, x2_ - x1_, y2_ - y1_); |
0 | 59 double r = boost::numeric::ublas::norm_2(tmp) / 2.0; |
60 | |
61 context.SetSourceColor(color_[0], color_[1], color_[2]); | |
62 | |
63 cairo_t* cr = context.GetObject(); | |
64 cairo_save(cr); | |
65 cairo_set_line_width(cr, 2.0 / zoom); | |
66 cairo_translate(cr, x, y); | |
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67 cairo_arc(cr, 0, 0, r, 0, 2.0 * boost::math::constants::pi<double>()); |
0 | 68 cairo_stroke_preserve(cr); |
69 cairo_stroke(cr); | |
70 cairo_restore(cr); | |
71 | |
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72 context.DrawText(font_, FormatRadius(), x, y, BitmapAnchor_Center); |
0 | 73 } |
74 | |
75 | |
76 double CircleMeasureTracker::GetRadius() const // In millimeters | |
77 { | |
78 Vector a = slice_.MapSliceToWorldCoordinates(x1_, y1_); | |
79 Vector b = slice_.MapSliceToWorldCoordinates(x2_, y2_); | |
80 return boost::numeric::ublas::norm_2(b - a) / 2.0; | |
81 } | |
82 | |
83 | |
84 std::string CircleMeasureTracker::FormatRadius() const | |
85 { | |
86 char buf[64]; | |
87 sprintf(buf, "%0.01f cm", GetRadius() / 10.0); | |
88 return buf; | |
89 } | |
90 | |
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91 void CircleMeasureTracker::MouseMove(int displayX, |
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92 int displayY, |
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93 double x, |
457
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added support for 'touch' in mouse trackers. This is still a bit hacky and we need to refactor it to make it clean. Thanks to that, Pan and zoom are available together with 2 touches
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94 double y, |
3b4df9925db6
added support for 'touch' in mouse trackers. This is still a bit hacky and we need to refactor it to make it clean. Thanks to that, Pan and zoom are available together with 2 touches
Alain Mazy <alain@mazy.be>
parents:
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95 const std::vector<Touch>& displayTouches, |
3b4df9925db6
added support for 'touch' in mouse trackers. This is still a bit hacky and we need to refactor it to make it clean. Thanks to that, Pan and zoom are available together with 2 touches
Alain Mazy <alain@mazy.be>
parents:
439
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96 const std::vector<Touch>& sceneTouches) |
0 | 97 { |
98 x2_ = x; | |
99 y2_ = y; | |
100 | |
101 if (statusBar_ != NULL) | |
102 { | |
103 statusBar_->SetMessage("Circle radius: " + FormatRadius()); | |
104 } | |
105 } | |
106 } |