Mercurial > hg > orthanc-stone
annotate Framework/Layers/LineMeasureTracker.cpp @ 585:b9ce24c606ae
TextSceneLayer
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Fri, 19 Apr 2019 17:57:58 +0200 |
| parents | 3b4df9925db6 |
| children | 4f2416d519b4 |
| rev | line source |
|---|---|
| 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, | |
|
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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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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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90 double y, |
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parents:
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91 const std::vector<Touch>& displayTouches, |
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3b4df9925db6
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Alain Mazy <alain@mazy.be>
parents:
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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 } |