Mercurial > hg > orthanc-stone
view Framework/Toolbox/Extent.cpp @ 104:eccd64f8e297 wasm
VolumeImageInteractor
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Thu, 01 Jun 2017 10:33:49 +0200 |
parents | efd9ef2b67f1 |
children | 53bd9277b025 |
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/** * Stone of Orthanc * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics * Department, University Hospital of Liege, Belgium * Copyright (C) 2017 Osimis, 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 "Extent.h" #include <algorithm> #include <cassert> namespace OrthancStone { void Extent::Reset() { empty_ = true; x1_ = 0; y1_ = 0; x2_ = 0; y2_ = 0; } void Extent::AddPoint(double x, double y) { if (empty_) { x1_ = x; y1_ = y; x2_ = x; y2_ = y; empty_ = false; } else { x1_ = std::min(x1_, x); y1_ = std::min(y1_, y); x2_ = std::max(x2_, x); y2_ = std::max(y2_, y); } assert(x1_ <= x2_ && y1_ <= y2_); // This is the invariant of the structure } void Extent::Union(const Extent& other) { if (other.IsEmpty()) { return; } if (IsEmpty()) { *this = other; return; } assert(!IsEmpty()); x1_ = std::min(x1_, other.x1_); y1_ = std::min(y1_, other.y1_); x2_ = std::max(x2_, other.x2_); y2_ = std::max(y2_, other.y2_); assert(x1_ <= x2_ && y1_ <= y2_); // This is the invariant of the structure } }