Mercurial > hg > orthanc-stone
annotate Framework/Layers/CircleMeasureTracker.cpp @ 47:28956ed68280
agpl license
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Thu, 27 Apr 2017 11:00:15 +0200 |
| parents | 7207a407bcd8 |
| children | 53025eecbc95 4cff7b1ed31d |
| 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 | |
|
40
7207a407bcd8
shared copyright with osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
0
diff
changeset
|
5 * Copyright (C) 2017 Osimis, 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 "../Viewport/CairoFont.h" | |
| 28 | |
| 29 #include <stdio.h> | |
| 30 | |
| 31 namespace OrthancStone | |
| 32 { | |
| 33 CircleMeasureTracker::CircleMeasureTracker(IStatusBar* statusBar, | |
| 34 const SliceGeometry& slice, | |
| 35 double x, | |
| 36 double y, | |
| 37 uint8_t red, | |
| 38 uint8_t green, | |
| 39 uint8_t blue, | |
| 40 unsigned int fontSize) : | |
| 41 statusBar_(statusBar), | |
| 42 slice_(slice), | |
| 43 x1_(x), | |
| 44 y1_(y), | |
| 45 x2_(x), | |
| 46 y2_(y), | |
| 47 fontSize_(fontSize) | |
| 48 { | |
| 49 color_[0] = red; | |
| 50 color_[1] = green; | |
| 51 color_[2] = blue; | |
| 52 } | |
| 53 | |
| 54 | |
| 55 void CircleMeasureTracker::Render(CairoContext& context, | |
| 56 double zoom) | |
| 57 { | |
| 58 double x = (x1_ + x2_) / 2.0; | |
| 59 double y = (y1_ + y2_) / 2.0; | |
| 60 | |
| 61 Vector tmp; | |
| 62 GeometryToolbox::AssignVector(tmp, x2_ - x1_, y2_ - y1_); | |
| 63 double r = boost::numeric::ublas::norm_2(tmp) / 2.0; | |
| 64 | |
| 65 context.SetSourceColor(color_[0], color_[1], color_[2]); | |
| 66 | |
| 67 cairo_t* cr = context.GetObject(); | |
| 68 cairo_save(cr); | |
| 69 cairo_set_line_width(cr, 2.0 / zoom); | |
| 70 cairo_translate(cr, x, y); | |
| 71 cairo_arc(cr, 0, 0, r, 0, 2 * M_PI); | |
| 72 cairo_stroke_preserve(cr); | |
| 73 cairo_stroke(cr); | |
| 74 cairo_restore(cr); | |
| 75 | |
| 76 if (fontSize_ != 0) | |
| 77 { | |
| 78 cairo_move_to(cr, x, y); | |
| 79 CairoFont font("sans-serif", CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_NORMAL); | |
| 80 font.Draw(context, FormatRadius(), static_cast<double>(fontSize_) / zoom); | |
| 81 } | |
| 82 } | |
| 83 | |
| 84 | |
| 85 double CircleMeasureTracker::GetRadius() const // In millimeters | |
| 86 { | |
| 87 Vector a = slice_.MapSliceToWorldCoordinates(x1_, y1_); | |
| 88 Vector b = slice_.MapSliceToWorldCoordinates(x2_, y2_); | |
| 89 return boost::numeric::ublas::norm_2(b - a) / 2.0; | |
| 90 } | |
| 91 | |
| 92 | |
| 93 std::string CircleMeasureTracker::FormatRadius() const | |
| 94 { | |
| 95 char buf[64]; | |
| 96 sprintf(buf, "%0.01f cm", GetRadius() / 10.0); | |
| 97 return buf; | |
| 98 } | |
| 99 | |
| 100 void CircleMeasureTracker::MouseMove(double x, | |
| 101 double y) | |
| 102 { | |
| 103 x2_ = x; | |
| 104 y2_ = y; | |
| 105 | |
| 106 if (statusBar_ != NULL) | |
| 107 { | |
| 108 statusBar_->SetMessage("Circle radius: " + FormatRadius()); | |
| 109 } | |
| 110 } | |
| 111 } |