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// Copyright (C) 2016 Jochen Becher
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#pragma once
#include <QtGlobal>
#include <QList>
QT_BEGIN_NAMESPACE
class QPolygonF;
class QLineF;
class QPointF;
class QRectF;
class QSizeF;
QT_END_NAMESPACE
namespace qmt {
class GeometryUtilities
{
GeometryUtilities() = delete;
public:
enum Side {
SideUnspecified,
SideTop,
SideBottom,
SideLeft,
SideRight
};
static QLineF stretch(const QLineF &line, double p1Extension, double p2Extension);
static bool intersect(const QPolygonF &polygon, const QLineF &line,
QPointF *intersectionPoint = nullptr, QLineF *intersectionLine = nullptr,
int nearestPoint = 1);
static bool intersect(const QList<QPolygonF> &polygons, const QLineF &line,
int *intersectionPolygon, QPointF *intersectionPoint = nullptr, QLineF *intersectionLine = nullptr,
int nearestPoint = 1);
static bool placeRectAtLine(const QRectF &rect, const QLineF &line, double lineOffset,
double distance, const QLineF &intersectionLine, QPointF *placement,
Side *horizontalAlignedSide);
static double calcAngle(const QLineF &line);
static double calcDistancePointToLine(const QPointF &point, const QLineF &line);
static QPointF calcProjection(const QLineF &line, const QPointF &point);
static QPointF calcPrimaryAxisDirection(const QLineF &line);
static QPointF calcSecondaryAxisDirection(const QLineF &line);
static void adjustPosAndRect(QPointF *pos, QRectF *rect, const QPointF &topLeftDelta,
const QPointF &bottomRightDelta, const QPointF &relativeAlignment);
static QSizeF ensureMinimumRasterSize(const QSizeF &size, double rasterWidth,
double rasterHeight);
};
} // namespace qmt
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