QGIS API Documentation 3.27.0-Master (f261cc1f8b)
qgslinesegment.cpp
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1/***************************************************************************
2 qgslinesegment.cpp
3 -----------------
4 begin : April 2018
5 copyright : (C) 2018 by Nyall Dawson
6 email : nyall dot dawson at gmail dot com
7 ***************************************************************************/
8
9/***************************************************************************
10 * *
11 * This program is free software; you can redistribute it and/or modify *
12 * it under the terms of the GNU General Public License as published by *
13 * the Free Software Foundation; either version 2 of the License, or *
14 * (at your option) any later version. *
15 * *
16 ***************************************************************************/
17
18#include "qgslinesegment.h"
19#include "qgsgeometryutils.h"
20
22{
23 return QgsGeometryUtils::leftOfLine( point.x(), point.y(), mStart.x(), mStart.y(), mEnd.x(), mEnd.y() );
24}
25
static int leftOfLine(const double x, const double y, const double x1, const double y1, const double x2, const double y2) SIP_HOLDGIL
Returns a value < 0 if the point (x, y) is left of the line from (x1, y1) -> (x2, y2).
int pointLeftOfLine(const QgsPointXY &point) const SIP_HOLDGIL
Tests if a point is to the left of the line segment.
A class to represent a 2D point.
Definition: qgspointxy.h:59
double y
Definition: qgspointxy.h:63
Q_GADGET double x
Definition: qgspointxy.h:62