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* Paper.js - The Swiss Army Knife of Vector Graphics Scripting.
* http://paperjs.org/
*
* Copyright (c) 2011 - 2020, Jürg Lehni & Jonathan Puckey
* http://juerglehni.com/ & https://puckey.studio/
*
* Distributed under the MIT license. See LICENSE file for details.
*
* All rights reserved.
*/
// TODO: remove eslint-disable comment and deal with errors over time
/* eslint-disable */
import { Point } from '~/basic/Point';
import { Rectangle } from '~/basic/Rectangle';
import { Size } from '~/basic/Size';
import { Item } from '~/item/Item';
import { Shape } from '~/item/Shape';
import { Base } from '~/straps';
import { Numerical } from '~/util/Numerical';
import { Path } from './Path';
import { Segment } from './Segment';
Path.inject({
// @ts-expect-error
statics: new (function () {
var kappa = /*#=*/ Numerical.KAPPA,
ellipseSegments = [
new Segment([-1, 0], [0, kappa], [0, -kappa]),
new Segment([0, -1], [-kappa, 0], [kappa, 0]),
new Segment([1, 0], [0, -kappa], [0, kappa]),
new Segment([0, 1], [kappa, 0], [-kappa, 0]),
];
function createPath(segments, closed, args) {
var props = Base.getNamed(args),
path = new Path(props && (props.insert == true ? Item.INSERT : props.insert == false ? Item.NO_INSERT : null));
path._add(segments);
// No need to use setter for _closed since _add() called _changed().
path._closed = closed;
// Set named arguments at the end, since some depend on geometry to be
// defined (e.g. #clockwise)
return path.set(props, Item.INSERT);
}
function createEllipse(center, radius, args) {
var segments = new Array(4);
for (var i = 0; i < 4; i++) {
var segment = ellipseSegments[i];
segments[i] = new Segment(
segment._point.multiply(radius).add(center),
segment._handleIn.multiply(radius),
segment._handleOut.multiply(radius)
);
}
return createPath(segments, true, args);
}
return /** @lends Path */ {
/**
* {@grouptitle Shaped Paths}
*
* Creates a linear path item from two points describing a line.
*
* @name Path.Line
* @param {Point} from the line's starting point
* @param {Point} to the line's ending point
* @return {Path} the newly created path
*
* @example {@paperscript}
* var from = new Point(20, 20);
* var to = new Point(80, 80);
* var path = new Path.Line(from, to);
* path.strokeColor = 'black';
*/
/**
* Creates a linear path item from the properties described by an object
* literal.
*
* @name Path.Line
* @param {Object} object an object containing properties describing the
* path's attributes
* @return {Path} the newly created path
*
* @example {@paperscript}
* var path = new Path.Line({
* from: [20, 20],
* to: [80, 80],
* strokeColor: 'black'
* });
*/
Line: function (/* from, to */) {
var args = arguments;
return createPath(
[new Segment(Point.readNamed(args, 'from')), new Segment(Point.readNamed(args, 'to'))],
false,
args
);
},
/**
* Creates a circular path item.
*
* @name Path.Circle
* @param {Point} center the center point of the circle
* @param {Number} radius the radius of the circle
* @return {Path} the newly created path
*
* @example {@paperscript}
* var path = new Path.Circle(new Point(80, 50), 30);
* path.strokeColor = 'black';
*/
/**
* Creates a circular path item from the properties described by an
* object literal.
*
* @name Path.Circle
* @param {Object} object an object containing properties describing the
* path's attributes
* @return {Path} the newly created path
*
* @example {@paperscript}
* var path = new Path.Circle({
* center: [80, 50],
* radius: 30,
* strokeColor: 'black'
* });
*/
Circle: function (/* center, radius */) {
var args = arguments,
center = Point.readNamed(args, 'center'),
radius = Base.readNamed(args, 'radius');
return createEllipse(center, new Size(radius), args);
},
/**
* Creates a rectangular path item, with optionally rounded corners.
*
* @name Path.Rectangle
* @param {Rectangle} rectangle the rectangle object describing the
* geometry of the rectangular path to be created
* @param {Size} [radius=null] the size of the rounded corners
* @return {Path} the newly created path
*
* @example {@paperscript}
* var rectangle = new Rectangle(new Point(20, 20), new Size(60, 60));
* var path = new Path.Rectangle(rectangle);
* path.strokeColor = 'black';
*
* @example {@paperscript} // The same, with rounder corners
* var rectangle = new Rectangle(new Point(20, 20), new Size(60, 60));
* var cornerSize = new Size(10, 10);
* var path = new Path.Rectangle(rectangle, cornerSize);
* path.strokeColor = 'black';
*/
/**
* Creates a rectangular path item from a point and a size object.
*
* @name Path.Rectangle
* @param {Point} point the rectangle's top-left corner.
* @param {Size} size the rectangle's size.
* @return {Path} the newly created path
*
* @example {@paperscript}
* var point = new Point(20, 20);
* var size = new Size(60, 60);
* var path = new Path.Rectangle(point, size);
* path.strokeColor = 'black';
*/
/**
* Creates a rectangular path item from the passed points. These do not
* necessarily need to be the top left and bottom right corners, the
* constructor figures out how to fit a rectangle between them.
*
* @name Path.Rectangle
* @param {Point} from the first point defining the rectangle
* @param {Point} to the second point defining the rectangle
* @return {Path} the newly created path
*
* @example {@paperscript}
* var from = new Point(20, 20);
* var to = new Point(80, 80);
* var path = new Path.Rectangle(from, to);
* path.strokeColor = 'black';
*/
/**
* Creates a rectangular path item from the properties described by an
* object literal.
*
* @name Path.Rectangle
* @param {Object} object an object containing properties describing the
* path's attributes
* @return {Path} the newly created path
*
* @example {@paperscript}
* var path = new Path.Rectangle({
* point: [20, 20],
* size: [60, 60],
* strokeColor: 'black'
* });
*
* @example {@paperscript}
* var path = new Path.Rectangle({
* from: [20, 20],
* to: [80, 80],
* strokeColor: 'black'
* });
*
* @example {@paperscript}
* var path = new Path.Rectangle({
* rectangle: {
* topLeft: [20, 20],
* bottomRight: [80, 80]
* },
* strokeColor: 'black'
* });
*
* @example {@paperscript}
* var path = new Path.Rectangle({
* topLeft: [20, 20],
* bottomRight: [80, 80],
* radius: 10,
* strokeColor: 'black'
* });
*/
Rectangle: function (/* rectangle */) {
var args = arguments,
rect = Rectangle.readNamed(args, 'rectangle'),
radius = Size.readNamed(args, 'radius', 0, { readNull: true }),
bl = rect.getBottomLeft(true),
tl = rect.getTopLeft(true),
tr = rect.getTopRight(true),
br = rect.getBottomRight(true),
segments;
if (!radius || radius.isZero()) {
segments = [new Segment(bl), new Segment(tl), new Segment(tr), new Segment(br)];
} else {
radius = Size.min(radius, rect.getSize(true).divide(2));
var rx = radius.width,
ry = radius.height,
hx = rx * kappa,
hy = ry * kappa;
segments = [
new Segment(bl.add(rx, 0), null, [-hx, 0]),
new Segment(bl.subtract(0, ry), [0, hy]),
new Segment(tl.add(0, ry), null, [0, -hy]),
new Segment(tl.add(rx, 0), [-hx, 0], null),
new Segment(tr.subtract(rx, 0), null, [hx, 0]),
new Segment(tr.add(0, ry), [0, -hy], null),
new Segment(br.subtract(0, ry), null, [0, hy]),
new Segment(br.subtract(rx, 0), [hx, 0]),
];
}
return createPath(segments, true, args);
},
/**
* @deprecated use {@link #Path.Rectangle(rectangle, size)} instead.
*/
RoundRectangle: '#Rectangle',
/**
* Creates an elliptical path item.
*
* @name Path.Ellipse
* @param {Rectangle} rectangle the rectangle circumscribing the ellipse
* @return {Path} the newly created path
*
* @example {@paperscript}
* var rectangle = new Rectangle(new Point(20, 20), new Size(180, 60));
* var path = new Path.Ellipse(rectangle);
* path.fillColor = 'black';
*/
/**
* Creates an elliptical path item from the properties described by an
* object literal.
*
* @name Path.Ellipse
* @param {Object} object an object containing properties describing the
* path's attributes
* @return {Path} the newly created path
*
* @example {@paperscript}
* var path = new Path.Ellipse({
* point: [20, 20],
* size: [180, 60],
* fillColor: 'black'
* });
*
* @example {@paperscript} // Placing by center and radius
* var shape = new Path.Ellipse({
* center: [110, 50],
* radius: [90, 30],
* fillColor: 'black'
* });
*/
Ellipse: function (/* rectangle */) {
var args = arguments,
ellipse = Shape._readEllipse(args);
return createEllipse(ellipse.center, ellipse.radius, args);
},
/**
* @deprecated use {@link #Path.Ellipse(rectangle)} instead.
*/
Oval: '#Ellipse',
/**
* Creates a circular arc path item.
*
* @name Path.Arc
* @param {Point} from the starting point of the circular arc
* @param {Point} through the point the arc passes through
* @param {Point} to the end point of the arc
* @return {Path} the newly created path
*
* @example {@paperscript}
* var from = new Point(20, 20);
* var through = new Point(60, 20);
* var to = new Point(80, 80);
* var path = new Path.Arc(from, through, to);
* path.strokeColor = 'black';
*
*/
/**
* Creates an circular arc path item from the properties described by an
* object literal.
*
* @name Path.Arc
* @param {Object} object an object containing properties describing the
* path's attributes
* @return {Path} the newly created path
*
* @example {@paperscript}
* var path = new Path.Arc({
* from: [20, 20],
* through: [60, 20],
* to: [80, 80],
* strokeColor: 'black'
* });
*/
Arc: function (/* from, through, to */) {
var args = arguments,
from = Point.readNamed(args, 'from'),
through = Point.readNamed(args, 'through'),
to = Point.readNamed(args, 'to'),
props = Base.getNamed(args),
// See createPath() for an explanation of the following sequence
path = new Path(props && props.insert == false && Item.NO_INSERT);
path.moveTo(from);
path.arcTo(through, to);
return path.set(props);
},
/**
* Creates a regular polygon shaped path item.
*
* @name Path.RegularPolygon
* @param {Point} center the center point of the polygon
* @param {Number} sides the number of sides of the polygon
* @param {Number} radius the radius of the polygon
* @return {Path} the newly created path
*
* @example {@paperscript}
* var center = new Point(50, 50);
* var sides = 3;
* var radius = 40;
* var triangle = new Path.RegularPolygon(center, sides, radius);
* triangle.fillColor = 'black';
*/
/**
* Creates a regular polygon shaped path item from the properties
* described by an object literal.
*
* @name Path.RegularPolygon
* @param {Object} object an object containing properties describing the
* path's attributes
* @return {Path} the newly created path
*
* @example {@paperscript}
* var triangle = new Path.RegularPolygon({
* center: [50, 50],
* sides: 10,
* radius: 40,
* fillColor: 'black'
* });
*/
RegularPolygon: function (/* center, sides, radius */) {
var args = arguments,
center = Point.readNamed(args, 'center'),
sides = Base.readNamed(args, 'sides'),
radius = Base.readNamed(args, 'radius'),
step = 360 / sides,
three = sides % 3 === 0,
vector = new Point(0, three ? -radius : radius),
offset = three ? -1 : 0.5,
segments = new Array(sides);
for (var i = 0; i < sides; i++) segments[i] = new Segment(center.add(vector.rotate((i + offset) * step)));
return createPath(segments, true, args);
},
/**
* Creates a star shaped path item.
*
* The largest of `radius1` and `radius2` will be the outer radius of
* the star. The smallest of radius1 and radius2 will be the inner
* radius.
*
* @name Path.Star
* @param {Point} center the center point of the star
* @param {Number} points the number of points of the star
* @param {Number} radius1
* @param {Number} radius2
* @return {Path} the newly created path
*
* @example {@paperscript}
* var center = new Point(50, 50);
* var points = 12;
* var radius1 = 25;
* var radius2 = 40;
* var path = new Path.Star(center, points, radius1, radius2);
* path.fillColor = 'black';
*/
/**
* Creates a star shaped path item from the properties described by an
* object literal.
*
* @name Path.Star
* @param {Object} object an object containing properties describing the
* path's attributes
* @return {Path} the newly created path
*
* @example {@paperscript}
* var path = new Path.Star({
* center: [50, 50],
* points: 12,
* radius1: 25,
* radius2: 40,
* fillColor: 'black'
* });
*/
Star: function (/* center, points, radius1, radius2 */) {
var args = arguments,
center = Point.readNamed(args, 'center'),
points = Base.readNamed(args, 'points') * 2,
radius1 = Base.readNamed(args, 'radius1'),
radius2 = Base.readNamed(args, 'radius2'),
step = 360 / points,
vector = new Point(0, -1),
segments = new Array(points);
for (var i = 0; i < points; i++)
segments[i] = new Segment(center.add(vector.rotate(step * i).multiply(i % 2 ? radius2 : radius1)));
return createPath(segments, true, args);
},
};
})(),
});
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