/*
* This file is part of LaTeXDraw.
* Copyright (c) 2005-2017 Arnaud BLOUIN
* LaTeXDraw is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option) any later version.
* LaTeXDraw is distributed without any warranty; without even the implied
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
package net.sf.latexdraw.models.interfaces.shape;
/**
* The API for modifiable points.
* @author Arnaud BLOUIN
*/
public interface IModifiablePointsShape extends ISingleShape {
/**
* Adds a point to the shape model.
* @param pt The point to add. Must be valid.
* @since 3.0
*/
void addPoint(final IPoint pt);
/**
* Adds the given point to the points list at the given position. The model is not updated!
* @param pt The point to add.
* @param position The position of insertion (-1 corresponds to the last point).
* @since 3.0
*/
void addPoint(final IPoint pt, final int position);
/**
* Removes the given point of the shape.
* @param pt The point to remove.
* @return True if the point is removed. False otherwise.
* @since 3.0
*/
boolean removePoint(final IPoint pt);
/**
* Removes the point at the given position.
* @param position The position of the point to remove (-1 corresponds to the last point).
* @return The removed point or null.
* @since 3.0
*/
IPoint removePoint(final int position);
/**
* Sets the point at the given position to the given coordinate. The model is not updated!
* @param p The new position of the wanted point.
* @param position The position of the point to move in the points list (-1 corresponds to the last point).
* @return true if the operation is successful.
* @since 3.0
*/
boolean setPoint(final IPoint p, final int position);
/**
* Sets the point at the given position to the given coordinate.
* @param x The new X-coordinate. The model is not updated!
* @param y The new Y-coordinate.
* @param position The position of the point to move in the points list (-1 corresponds to the last point).
* @return true if the operation is successful.
* @since 3.0
*/
boolean setPoint(final double x, final double y, final int position);
/**
* Replaces the point at the given position by the given point.
* @param pt The new point. Must not be a point of the shape.
* @param position The position of the point to remove (-1 corresponds to the last point).
* @return The removed point or null.
* @since 3.0
*/
IPoint replacePoint(final IPoint pt, final int position);
}