Mercurial > hg > orthanc-stone
view Framework/Layers/CircleMeasureTracker.cpp @ 429:c7fb700a7d12 am-vsol-upgrade
cleanup
author | am@osimis.io |
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date | Wed, 28 Nov 2018 10:46:32 +0100 |
parents | 70256a53ff21 |
children | b70e9be013e4 |
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/** * Stone of Orthanc * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics * Department, University Hospital of Liege, Belgium * Copyright (C) 2017-2018 Osimis S.A., Belgium * * This program is free software: you can redistribute it and/or * modify it under the terms of the GNU Affero General Public License * as published by the Free Software Foundation, either version 3 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. **/ #include "CircleMeasureTracker.h" #include <stdio.h> #include <boost/math/constants/constants.hpp> namespace OrthancStone { CircleMeasureTracker::CircleMeasureTracker(IStatusBar* statusBar, const CoordinateSystem3D& slice, double x, double y, uint8_t red, uint8_t green, uint8_t blue, const Orthanc::Font& font) : statusBar_(statusBar), slice_(slice), x1_(x), y1_(y), x2_(x), y2_(y), font_(font) { color_[0] = red; color_[1] = green; color_[2] = blue; } void CircleMeasureTracker::Render(CairoContext& context, double zoom) { double x = (x1_ + x2_) / 2.0; double y = (y1_ + y2_) / 2.0; Vector tmp; LinearAlgebra::AssignVector(tmp, x2_ - x1_, y2_ - y1_); double r = boost::numeric::ublas::norm_2(tmp) / 2.0; context.SetSourceColor(color_[0], color_[1], color_[2]); cairo_t* cr = context.GetObject(); cairo_save(cr); cairo_set_line_width(cr, 2.0 / zoom); cairo_translate(cr, x, y); cairo_arc(cr, 0, 0, r, 0, 2.0 * boost::math::constants::pi<double>()); cairo_stroke_preserve(cr); cairo_stroke(cr); cairo_restore(cr); context.DrawText(font_, FormatRadius(), x, y, BitmapAnchor_Center); } double CircleMeasureTracker::GetRadius() const // In millimeters { Vector a = slice_.MapSliceToWorldCoordinates(x1_, y1_); Vector b = slice_.MapSliceToWorldCoordinates(x2_, y2_); return boost::numeric::ublas::norm_2(b - a) / 2.0; } std::string CircleMeasureTracker::FormatRadius() const { char buf[64]; sprintf(buf, "%0.01f cm", GetRadius() / 10.0); return buf; } void CircleMeasureTracker::MouseMove(int displayX, int displayY, double x, double y) { x2_ = x; y2_ = y; if (statusBar_ != NULL) { statusBar_->SetMessage("Circle radius: " + FormatRadius()); } } }