mirror of
https://github.com/scratchfoundation/paper.js.git
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64 lines
2.3 KiB
JavaScript
64 lines
2.3 KiB
JavaScript
/*
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* Paper.js - The Swiss Army Knife of Vector Graphics Scripting.
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* http://paperjs.org/
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*
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* Copyright (c) 2011 - 2014, Juerg Lehni & Jonathan Puckey
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* http://scratchdisk.com/ & http://jonathanpuckey.com/
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*
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* Distributed under the MIT license. See LICENSE file for details.
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*
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* All rights reserved.
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*/
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module('Path Drawing Commands');
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test('path.lineTo(point);', function() {
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var path = new Path();
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path.moveTo([50, 50]);
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path.lineTo([100, 100]);
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equals(path.segments.toString(), '{ point: { x: 50, y: 50 } },{ point: { x: 100, y: 100 } }');
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});
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test('path.arcTo(from, through, to);', function() {
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var path = new Path();
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path.moveTo([0, 20]);
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path.arcTo([75, 75], [100, 0]);
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equals(path.segments.toString(), '{ point: { x: 0, y: 20 }, handleOut: { x: -2.62559, y: 23.01251 } },{ point: { x: 30.89325, y: 74.75812 }, handleIn: { x: -21.05455, y: -9.65273 }, handleOut: { x: 21.05455, y: 9.65273 } },{ point: { x: 92.54397, y: 62.42797 }, handleIn: { x: -15.72238, y: 17.00811 }, handleOut: { x: 15.72238, y: -17.00811 } },{ point: { x: 100, y: 0 }, handleIn: { x: 11.27458, y: 20.23247 } }');
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});
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test('path.arcTo(from, through, to); where from, through and to all share the same y position and through lies in between from and to', function() {
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var path = new Path();
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path.strokeColor = 'black';
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path.add([40, 75]);
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path.arcTo([50, 75], [100, 75]);
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equals(path.lastSegment.point.toString(), '{ x: 100, y: 75 }', 'We expect the last segment point to be at the position where we wanted to draw the arc to.');
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});
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test('path.arcTo(from, through, to); where from, through and to all share the same y position and through lies to the right of to', function() {
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var path = new Path();
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path.strokeColor = 'black';
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path.add([40, 75]);
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var error = null;
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try {
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path.arcTo([150, 75], [100, 75]);
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} catch (e) {
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error = e;
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}
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equals(error != null, true, 'We expect this arcTo() command to throw an error');
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});
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test('path.arcTo(from, through, to); where from, through and to all share the same y position and through lies to the left of to', function() {
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var path = new Path();
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path.strokeColor = 'black';
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path.add([40, 75]);
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var error = null;
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try {
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path.arcTo([10, 75], [100, 75]);
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} catch (e) {
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error = e;
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}
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equals(error != null, true, 'We expect this arcTo() command to throw an error');
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});
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