62 lines
2.0 KiB
C++
62 lines
2.0 KiB
C++
/* -*-c++-*- */
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/* osgEarth - Geospatial SDK for OpenSceneGraph
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* Copyright 2020 Pelican Mapping
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* http://osgearth.org
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*
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* osgEarth is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*/
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#pragma once
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#include <osgEarth/Common>
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#include <osg/BoundingBox>
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namespace osgEarth
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{
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using Bounds = osg::BoundingBoxd;
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inline double width(const Bounds& b) {
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return b.xMax() - b.xMin();
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}
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inline double height(const Bounds& b) {
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return b.yMax() - b.yMin();
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}
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inline double area2d(const Bounds& b) {
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return b.valid() ? width(b) * height(b) : -1.0;
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}
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inline bool contains(const Bounds& b, double x, double y) {
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return
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b.valid() &&
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x >= b.xMin() && x <= b.xMax() &&
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y >= b.yMin() && y <= b.yMax();
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}
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inline bool intersects2d(const Bounds& lhs, const Bounds& rhs) {
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return
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lhs.xMax() >= rhs.xMin() && lhs.xMin() <= rhs.xMax() &&
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lhs.yMax() >= rhs.yMin() && lhs.yMin() <= rhs.yMax();
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}
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extern OSGEARTH_EXPORT bool contains(const Bounds& lhs, const Bounds& rhs);
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extern OSGEARTH_EXPORT Bounds intersectionOf(const Bounds& lhs, const Bounds& rhs);
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extern OSGEARTH_EXPORT Bounds unionOf(const Bounds& lhs, const Bounds& rhs);
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}
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