/*
 * Paper.js - The Swiss Army Knife of Vector Graphics Scripting.
 * http://paperjs.org/
 *
 * Copyright (c) 2011 - 2014, Juerg Lehni & Jonathan Puckey
 * http://scratchdisk.com/ & http://jonathanpuckey.com/
 *
 * Distributed under the MIT license. See LICENSE file for details.
 *
 * All rights reserved.
 */

module('Path Bounds');

test('path.bounds', function() {
	var path = new Path([
		new Segment(new Point(121, 334), new Point(-19, 38), new Point(30.7666015625, -61.53369140625)),
		new Segment(new Point(248, 320), new Point(-42, -74), new Point(42, 74)),
		new Segment(new Point(205, 420.94482421875), new Point(66.7890625, -12.72802734375), new Point(-79, 15.05517578125))
	]);
	// Test both closed and open paths, as the bounds for them differ
	path.closed = false;
	compareRectangles(path.bounds,
			{ x: 121, y: 275.068, width: 149.49305, height: 145.87682 },
			'open path.bounds');
	comparePoints(path.position,
			{ x: 195.74653, y: 348.00641 },
			'open path.position');

	// Test both closed and open paths, as the bounds for them differ
	path.closed = true;
	compareRectangles(path.bounds,
			{ x: 114.82725, y: 275.068, width: 155.6658, height: 148.12773 },
			'closed path.bounds');
	comparePoints(path.position,
			{ x: 192.66015, y: 349.13186 },
			'closed path.position');

	// Scale the path by 0.5 and check bounds
	path.scale(0.5);
	compareRectangles(path.bounds,
			{ x: 153.7437, y: 312.09993, width: 77.8329, height: 74.06386 },
			'scaled path.bounds');

	// Move the path to another position and check bounds
	path.position = [100, 100];
	compareRectangles(path.bounds,
			{ x: 61.08355, y: 62.96807, width: 77.8329, height: 74.06386 },
			'moved path.bounds');

	// Set new bounds and check segment list as result of resizing / positioning
	path.bounds = { x: 100, y: 100, width: 200, height: 200 };
	equals(path.segments.toString(),
			'{ point: { x: 107.93077, y: 179.56917 }, handleIn: { x: -24.41127, y: 51.30707 }, handleOut: { x: 39.52904, y: -83.08194 } },{ point: { x: 271.10084, y: 160.66656 }, handleIn: { x: -53.96176, y: -99.91377 }, handleOut: { x: 53.96176, y: 99.91377 } },{ point: { x: 215.85428, y: 296.96086 }, handleIn: { x: 85.81084, y: -17.18521 }, handleOut: { x: -101.49949, y: 20.32729 } }',
			'resized path.segments');

	// Now rotate by 40 degrees and test bounds and segments again.
	path.rotate(40);
	compareRectangles(path.bounds,
			{ x: 92.38102, y: 106.78972, width: 191.48071, height: 203.66876 },
			'rotated path.bounds');

	equals(path.segments.toString(),
			'{ point: { x: 142.60356, y: 125.16811 }, handleIn: { x: -51.67967, y: 23.61224 }, handleOut: { x: 83.68504, y: -38.23568 } },{ point: { x: 279.74945, y: 215.57158 }, handleIn: { x: 22.88623, y: -111.22434 }, handleOut: { x: -22.88623, y: 111.22434 } },{ point: { x: 149.81984, y: 284.46726 }, handleIn: { x: 76.78135, y: 41.99351 }, handleOut: { x: -90.81925, y: -49.67101 } }',
			'roated path.segments');
});

test('path.strokeBounds on path without stroke', function() {
	var path = new Path([
		new Segment(new Point(121, 334), new Point(-19, 38), new Point(30.7666015625, -61.53369140625)),
		new Segment(new Point(248, 320), new Point(-42, -74), new Point(42, 74)),
		new Segment(new Point(205, 420.94482421875), new Point(66.7890625, -12.72802734375), new Point(-79, 15.05517578125))
	]);
	compareRectangles(path.strokeBounds, { x: 121, y: 275.068, width: 149.49305, height: 145.87682 });
});

test('path.strokeBounds on path with single segment and stroke color', function() {
	var path = new Path([
		new Segment(new Point(121, 334), new Point(-19, 38), new Point(30.7666015625, -61.53369140625))
	]);
	path.strokeColor = 'black';
	compareRectangles(path.strokeBounds, { x: 121, y: 334, width: 0, height: 0 });
});

test('path.strokeBounds on closed path with single segment and stroke color', function() {
	var path = new Path([
		new Segment(new Point(121, 334), new Point(19, 38), new Point(30.7666015625, -61.53369140625))
	]);
	path.strokeColor = 'black';
	path.closed = true;
	compareRectangles(path.strokeBounds, { x: 120.5, y: 312.88324 , width: 19.91643, height: 30.53977 });
});

test('path.bounds & path.strokeBounds with stroke styles', function() {
	function makePath() {
		var path = new Path();
		path.moveTo(200, 50);
		path.lineTo(230, 100);
		path.lineTo(250, 50);
		path.lineTo(280, 110);
		path.arcTo([250, 20], false);
		path.rotate(-5);
		path.strokeWidth = 30;
		path.miterLimit = 3;
		return path;
	}

	var path = makePath();
	path.fullySelected = true;
	path.strokeColor = 'black';
	path.strokeCap = 'butt';
	path.strokeJoin = 'round';
	compareRectangles(path.bounds,
			{ x: 199.01325, y: 16.78419, width: 113.50622, height: 90.96766 },
			'butt/round path.bounds');
	compareRectangles(path.strokeBounds,
			{ x: 186.87242, y: 1.78419, width: 140.64705, height: 120.96766 },
			'butt/round path.strokeBounds');

	var path = makePath().translate(150, 0);
	path.strokeColor = 'black';
	path.strokeCap = 'butt';
	path.strokeJoin = 'bevel';
	compareRectangles(path.bounds,
			{ x: 349.01325, y: 16.78419, width: 113.50622, height: 90.96766 },
			'butt/bevel path.bounds');
	compareRectangles(path.strokeBounds,
			{ x: 336.87242, y: 1.78419, width: 140.64705, height: 119.73034 },
			'butt/bevel path.strokeBounds');

	var path = makePath().translate(300, 0);
	path.strokeColor = 'black';
	path.strokeCap = 'butt';
	path.strokeJoin = 'miter';
	compareRectangles(path.bounds,
			{ x: 499.01325, y: 16.78419, width: 113.50622, height: 90.96766 },
			'butt/miter path.bounds');
	compareRectangles(path.strokeBounds,
			{ x: 486.87242, y: 1.78419, width: 140.64705, height: 133.64882 },
			'butt/miter path.strokeBounds');

	var path = makePath().translate(0, 150);
	path.strokeColor = 'black';
	path.strokeCap = 'square';
	path.strokeJoin = 'round';
	compareRectangles(path.bounds,
			{ x: 199.01325, y: 166.78419, width: 113.50622, height: 90.96766 },
			'square/round path.bounds');
	compareRectangles(path.strokeBounds, 
		 	{ x: 178.06332, y: 151.78419, width: 149.45615, height: 120.96766 },
			'square/strokeBounds path.bounds');

	var path = makePath().translate(150, 150);
	path.strokeColor = 'black';
	path.strokeCap = 'square';
	path.strokeJoin = 'bevel';
	compareRectangles(path.bounds,
			{ x: 349.01325, y: 166.78419, width: 113.50622, height: 90.96766 },
			'square/bevel path.bounds');
	compareRectangles(path.strokeBounds,
			{ x: 328.06332, y: 151.78419, width: 149.45615, height: 119.73034 },
			'square/bevel path.strokeBounds');

	var path = makePath().translate(300, 150);
	path.strokeColor = 'black';
	path.strokeCap = 'square';
	path.strokeJoin = 'miter';
	compareRectangles(path.bounds,
			{ x: 499.01325, y: 166.78419, width: 113.50622, height: 90.96766 },
			'square/miter path.bounds');
	compareRectangles(path.strokeBounds,
			{ x: 478.06332, y: 151.78419, width: 149.45615, height: 133.64882 },
			'square/miter path.strokeBounds');

	var path = makePath().translate(0, 300);
	path.strokeColor = 'black';
	path.strokeCap = 'round';
	path.strokeJoin = 'round';
	compareRectangles(path.bounds,
			{ x: 199.01325, y: 316.78419, width: 113.50622, height: 90.96766 },
			'round/round path.bounds');
	compareRectangles(path.strokeBounds,
			{ x: 184.01325, y: 301.78419, width: 143.50622, height: 120.96766 },
			'round/round path.strokeBounds');

	var path = makePath().translate(150, 300);
	path.strokeColor = 'black';
	path.strokeCap = 'round';
	path.strokeJoin = 'bevel';
	compareRectangles(path.bounds,
			{ x: 349.01325, y: 316.78419, width: 113.50622, height: 90.96766 },
			'round/bevel path.bounds');
	compareRectangles(path.strokeBounds,
			{ x: 334.01325, y: 301.78419, width: 143.50622, height: 119.73034 },
			'round/bevel path.strokeBounds');

	var path = makePath().translate(300, 300);
	path.strokeColor = 'black';
	path.strokeCap = 'round';
	path.strokeJoin = 'miter';
	compareRectangles(path.bounds,
			{ x: 499.01325, y: 316.78419, width: 113.50622, height: 90.96766 },
			'round/miter path.bounds');
	compareRectangles(path.strokeBounds,
			{ x: 484.01325, y: 301.78419, width: 143.50622, height: 133.64882 },
			'round/miter path.strokeBounds');
});

test('path.strokeBounds with rectangles', function() {
	var path = new paper.Path.Rectangle({
		point: [100, 100],
		size: [100, 100],
		strokeWidth: 50,
		strokeColor: 'black'
	});
	compareRectangles(path.strokeBounds,
			{ x: 75, y: 75, width: 150, height: 150 },
			'path.strokeBounds');
});