<?php
namespace fphammerle\helpers\tests\colors;
use \fphammerle\helpers\colors\HSV;
use \fphammerle\helpers\colors\RGB;
class HSVTest extends \PHPUnit_Framework_TestCase
{
const comparison_precision = 0.00001;
public function testConstruct0()
{
$c = new HSV();
$this->assertEquals(0.0, $c->hue, '', self::comparison_precision);
$this->assertEquals(0.0, $c->saturation, '', self::comparison_precision);
$this->assertEquals(0.0, $c->value, '', self::comparison_precision);
}
public function testConstruct1()
{
$c = new HSV(pi());
$this->assertEquals(pi(), $c->hue, '', self::comparison_precision);
$this->assertEquals(0.0, $c->saturation, '', self::comparison_precision);
$this->assertEquals(0.0, $c->value, '', self::comparison_precision);
}
public function testConstruct2()
{
$c = new HSV(pi(), 0.2);
$this->assertEquals(pi(), $c->hue, '', self::comparison_precision);
$this->assertEquals(0.2, $c->saturation, '', self::comparison_precision);
$this->assertEquals(0.0, $c->value, '', self::comparison_precision);
}
public function testConstruct3()
{
$c = new HSV(pi(), 0.2, 1);
$this->assertEquals(pi(), $c->hue, '', self::comparison_precision);
$this->assertEquals(0.2, $c->saturation, '', self::comparison_precision);
$this->assertEquals(1.0, $c->value, '', self::comparison_precision);
}
public function equalsProvider()
{
return [
[new HSV(0, 0, 0.0 ), new HSV(0.0, 0.0, 0 )],
[new HSV(0.0, 0.0, 0.0 ), new HSV(0.0, 0.0, 0.0 )],
[new HSV(0.0, 0.4, 0.99), new HSV(0.0, 0.4, 0.99 )],
[new HSV(2.21, 0.4, 0.99), new HSV(2.21, 0.4, 0.99 )],
[new HSV(2.21, 0.9, 0.0 ), new HSV(2.21, 0.9, pow(10, -20))],
[new HSV(3, 0.3, 1 ), new HSV(1/2*6, 0.3, 1.0 )],
[new HSV(pi(), 0.0, 0.0 ), new HSV(deg2rad(180), 0.0, 0.0 )],
[new HSV(pi(), 0.7, 0.0 ), new HSV(deg2rad(180), 0.7, 0.0 )],
[new HSV(sqrt(pi()), sqrt(0.7), sqrt(1/33) ), new HSV(sqrt(deg2rad(180)), sqrt(7)/sqrt(10), 1/sqrt(33))],
];
}
/**
* @dataProvider equalsProvider
*/
public function testEquals($a, $b)
{
$this->assertTrue($a->equals($b));
$this->assertTrue($b->equals($a));
}
public function unequalsProvider()
{
return [
[new HSV(0.0, 0.0, 0.0), new HSV(0.0, 0.0, pow(10, -4) )],
[new HSV(0.0, 0.0, 0.0), new HSV(0.0, pow(10, -4), 0.0 )],
[new HSV(0.0, 0.0, 0.0), new HSV(pow(10, -4), 0.0, 0.0 )],
[new HSV(0.5, 0.5, 0.5), new HSV(0.5+1.0/9999, 0.5, 0.5 )],
[new HSV(0.5, 0.5, 0.5), new HSV(0.5, 0.5+1.0/9999, 0.5 )],
[new HSV(0.5, 0.5, 0.5), new HSV(0.5, 0.5, 0.5+1.0/9999)],
[new HSV(pi(), 1/33, 0.1), new HSV(1.53, pow(10, -4), 0.32 )],
[new HSV(pi(), 1/33, 0.1), new HSV(2.32, 0.32, pow(10, -4) )],
[new HSV(pi(), 1/33, 0.1), new HSV(2.32, 1/33, pow(10, -4) )],
[new HSV(pi(), 1/33, 0.1), new HSV(pi(), 1/33, pow(10, -4) )],
[new HSV(pi(), 1/33, 0.1), new HSV(pi(), pow(10, -4), 0.1 )],
[new HSV(pi(), 1/33, 0.1), new HSV(pi(), pow(10, -4), 0.32 )],
[new HSV(pi(), 1/33, 0.1), new HSV(pow(10, -4), 0.92, 0.1 )],
[new HSV(pi(), 1/33, 0.1), new HSV(pow(10, -4), 0.92, 0.4 )],
[new HSV(pi(), 1/33, 0.1), new HSV(pow(10, -4), 1/33, 0.1 )],
];
}
/**
* @dataProvider unequalsProvider
*/
public function testUnequals($a, $b)
{
$this->assertFalse($a->equals($b));
$this->assertFalse($b->equals($a));
}
public function getHueProvider()
{
return [
[new HSV(0, 0, 0.0 ), 0.0, ],
[new HSV(0.0, 0.0, 0.0 ), 0.0, ],
[new HSV(2.21, 0.4, 0.99 ), 2.21, ],
[new HSV(3, 0.3, 1 ), 1/2*6, ],
[new HSV(pi(), 0.7, 0.0 ), deg2rad(180) ],
[new HSV(sqrt(pi()), sqrt(0.7), 1), sqrt(deg2rad(180))],
];
}
/**
* @dataProvider getHueProvider
*/
public function testGetHue($c, $h)
{
$this->assertEquals($h, $c->hue, '', self::comparison_precision);
$this->assertEquals($h, $c->getHue(), '', self::comparison_precision);
}
public function setHueProvider()
{
return [
[0, 0.0, ],
[0.0, 0.0, ],
[2.21, 2.21, ],
[3, 1/2*6, ],
[pi(), deg2rad(180) ],
[sqrt(pi()), sqrt(deg2rad(180))],
];
}
/**
* @dataProvider setHueProvider
*/
public function testSetHue($s, $g)
{
$c = new HSV(0, 0, 0);
$c->setHue($s);
$this->assertEquals($g, $c->hue, '', self::comparison_precision);
$c = new HSV(0, 0, 0);
$c->hue = $s;
$this->assertEquals($g, $c->hue, '', self::comparison_precision);
}
public function getSaturationProvider()
{
return [
[new HSV(0, 0, 0.0 ), 0.0, ],
[new HSV(0.0, 0.0, 0.0 ), 0.0, ],
[new HSV(2.21, 0.4, 0.99 ), 0.4, ],
[new HSV(3, pi()/2/pi(), 1 ), 0.5, ],
[new HSV(pi(), 1, 0.0 ), 1.0 ],
[new HSV(pi(), sqrt(0.7), 1 ), sqrt(0.7)],
];
}
/**
* @dataProvider getSaturationProvider
*/
public function testGetSaturation($c, $h)
{
$this->assertEquals($h, $c->saturation, '', self::comparison_precision);
$this->assertEquals($h, $c->getSaturation(), '', self::comparison_precision);
}
public function setSaturationProvider()
{
return [
[0, 0.0, ],
[0.0, 0.0, ],
[0.4, 0.4, ],
[pi()/2/pi(), 0.5, ],
[1, 1.0 ],
[sqrt(0.7), sqrt(0.7)],
];
}
/**
* @dataProvider setSaturationProvider
*/
public function testSetSaturation($s, $g)
{
$c = new HSV(0, 0, 0);
$c->setSaturation($s);
$this->assertEquals($g, $c->saturation, '', self::comparison_precision);
$c = new HSV(0, 0, 0);
$c->saturation = $s;
$this->assertEquals($g, $c->saturation, '', self::comparison_precision);
}
public function getValueProvider()
{
return [
[new HSV(0, 0.0, 0 ), 0.0 ],
[new HSV(0.0, 0, 0.0 ), 0.0 ],
[new HSV(2.21, 0.3, 0.4 ), 0.4 ],
[new HSV(3, 1.0, pi()/2/pi()), 0.5 ],
[new HSV(pi(), 0.4, 1 ), 1.0 ],
[new HSV(pi(), 1, sqrt(0.7) ), sqrt(0.7)],
];
}
/**
* @dataProvider getValueProvider
*/
public function testGetValue($c, $h)
{
$this->assertEquals($h, $c->value, '', self::comparison_precision);
$this->assertEquals($h, $c->getValue(), '', self::comparison_precision);
}
public function setValueProvider()
{
return [
[0, 0.0, ],
[0.0, 0.0, ],
[0.4, 0.4, ],
[pi()/2/pi(), 0.5, ],
[1, 1.0 ],
[sqrt(0.7), sqrt(0.7)],
];
}
/**
* @dataProvider setValueProvider
*/
public function testSetValue($s, $g)
{
$c = new HSV(0, 0, 0);
$c->setValue($s);
$this->assertEquals($g, $c->value, '', self::comparison_precision);
$c = new HSV(0, 0, 0);
$c->value = $s;
$this->assertEquals($g, $c->value, '', self::comparison_precision);
}
public function getTupleProvider()
{
return [
[new HSV(0, 0, 0.0 ), [0.0, 0.0, 0.0 ]],
[new HSV(0.0, 0.0, 0.0 ), [0.0, 0.0, 0.0 ]],
[new HSV(2.21, 0.4, 0.99 ), [2.21, 0.4, 0.99 ]],
[new HSV(3, 0.3, 1 ), [3.0, 0.3, 1.0 ]],
[new HSV(pi(), 0.7, 0.0 ), [pi(), 0.7, 0.0 ]],
[new HSV(sqrt(pi()), sqrt(0.7), 1), [sqrt(pi()), sqrt(0.7), 1.0]],
];
}
/**
* @dataProvider getTupleProvider
*/
public function testGetTuple($c, $h)
{
$this->assertEquals($h, $c->tuple, '', self::comparison_precision);
$this->assertEquals($h, $c->getTuple(), '', self::comparison_precision);
}
public function toRGBProvider()
{
return [
[new HSV(0.0, 0.0, 0.0), new RGB(0.0, 0.0, 0.0)],
[new HSV(0.0, 0.0, 1/4), new RGB(1/4, 1/4, 1/4)],
[new HSV(0.0, 0.0, 1.0), new RGB(1.0, 1.0, 1.0)],
[new HSV(0.0, 1.0, 0.0), new RGB(0.0, 0.0, 0.0)],
[new HSV(0.0, 1/5, 0.0), new RGB(0.0, 0.0, 0.0)],
[new HSV(1.0, 0.0, 0.0), new RGB(0.0, 0.0, 0.0)],
[new HSV(1.0, 0.0, 1/4), new RGB(1/4, 1/4, 1/4)],
[new HSV(1.0, 0.0, 1.0), new RGB(1.0, 1.0, 1.0)],
[new HSV(1.0, 1.0, 0.0), new RGB(0.0, 0.0, 0.0)],
[new HSV(1.0, 1/5, 0.0), new RGB(0.0, 0.0, 0.0)],
[new HSV(pi()*3/2, 0.0, 0.0), new RGB(0.0, 0.0, 0.0)],
[new HSV(pi()*3/2, 0.0, 1/4), new RGB(1/4, 1/4, 1/4)],
[new HSV(pi()*3/2, 0.0, 1.0), new RGB(1.0, 1.0, 1.0)],
[new HSV(pi()*3/2, 1.0, 0.0), new RGB(0.0, 0.0, 0.0)],
[new HSV(pi()*3/2, 1/5, 0.0), new RGB(0.0, 0.0, 0.0)],
[new HSV(pi(), 0.0, 0.0), new RGB(0.0, 0.0, 0.0)],
[new HSV(pi(), 0.0, 1/4), new RGB(1/4, 1/4, 1/4)],
[new HSV(pi(), 0.0, 1.0), new RGB(1.0, 1.0, 1.0)],
[new HSV(pi(), 1.0, 0.0), new RGB(0.0, 0.0, 0.0)],
[new HSV(pi(), 1/5, 0.0), new RGB(0.0, 0.0, 0.0)],
[new HSV(pi()/2, 0.0, 0.0), new RGB(0.0, 0.0, 0.0)],
[new HSV(pi()/2, 0.0, 1/4), new RGB(1/4, 1/4, 1/4)],
[new HSV(pi()/2, 0.0, 1.0), new RGB(1.0, 1.0, 1.0)],
[new HSV(pi()/2, 1.0, 0.0), new RGB(0.0, 0.0, 0.0)],
[new HSV(pi()/2, 1/5, 0.0), new RGB(0.0, 0.0, 0.0)],
[new HSV(pi()/6*0, 1.0, 1.0), new RGB(1.0, 0.0, 0.0)],
[new HSV(pi()/6*0, 1.0, 0.6), new RGB(0.6, 0.0, 0.0)],
[new HSV(pi()/6*0, 1.0, 0.2), new RGB(0.2, 0.0, 0.0)],
[new HSV(pi()/6*0, 1.0, 0.0), new RGB(0.0, 0.0, 0.0)],
[new HSV(pi()/6*1, 1.0, 1.0), new RGB(1.0, 0.5, 0.0)],
[new HSV(pi()/6*1, 1.0, 0.6), new RGB(0.6, 0.3, 0.0)],
[new HSV(pi()/6*1, 1.0, 0.2), new RGB(1/5, 0.1, 0.0)],
[new HSV(pi()/6*2, 1.0, 1.0), new RGB(1.0, 1.0, 0.0)],
[new HSV(pi()/6*2, 1.0, 0.6), new RGB(0.6, 0.6, 0.0)],
[new HSV(pi()/6*2, 1.0, 0.2), new RGB(0.2, 0.2, 0.0)],
[new HSV(pi()/6*3, 1.0, 1.0), new RGB(0.5, 1.0, 0.0)],
[new HSV(pi()/6*3, 1.0, 0.6), new RGB(0.3, 0.6, 0.0)],
[new HSV(pi()/6*3, 1.0, 0.2), new RGB(0.1, 0.2, 0.0)],
[new HSV(pi()/6*4, 1.0, 1.0), new RGB(0.0, 1.0, 0.0)],
[new HSV(pi()/6*4, 1.0, 0.6), new RGB(0.0, 0.6, 0.0)],
[new HSV(pi()/6*4, 1.0, 0.2), new RGB(0.0, 0.2, 0.0)],
[new HSV(pi()/6*5, 1.0, 1.0), new RGB(0.0, 1.0, 0.5)],
[new HSV(pi()/6*5, 1.0, 0.6), new RGB(0.0, 0.6, 0.3)],
[new HSV(pi()/6*5, 1.0, 0.2), new RGB(0.0, 0.2, 0.1)],
[new HSV(pi()/6*6, 1.0, 1.0), new RGB(0.0, 1.0, 1.0)],
[new HSV(pi()/6*6, 1.0, 0.6), new RGB(0.0, 0.6, 0.6)],
[new HSV(pi()/6*6, 1.0, 0.2), new RGB(0.0, 0.2, 0.2)],
[new HSV(pi()/6*7, 1.0, 1.0), new RGB(0.0, 0.5, 1.0)],
[new HSV(pi()/6*7, 1.0, 0.6), new RGB(0.0, 0.3, 0.6)],
[new HSV(pi()/6*7, 1.0, 0.2), new RGB(0.0, 0.1, 0.2)],
[new HSV(pi()/6*8, 1.0, 1.0), new RGB(0.0, 0.0, 1.0)],
[new HSV(pi()/6*8, 1.0, 0.6), new RGB(0.0, 0.0, 0.6)],
[new HSV(pi()/6*8, 1.0, 0.2), new RGB(0.0, 0.0, 0.2)],
[new HSV(pi()/6*9, 1.0, 1.0), new RGB(0.5, 0.0, 1.0)],
[new HSV(pi()/6*9, 1.0, 0.6), new RGB(0.3, 0.0, 0.6)],
[new HSV(pi()/6*9, 1.0, 0.2), new RGB(0.1, 0.0, 0.2)],
[new HSV(pi()/6*10, 1.0, 1.0), new RGB(1.0, 0.0, 1.0)],
[new HSV(pi()/6*10, 1.0, 0.6), new RGB(0.6, 0.0, 0.6)],
[new HSV(pi()/6*10, 1.0, 0.2), new RGB(0.2, 0.0, 0.2)],
[new HSV(pi()/6*11, 1.0, 1.0), new RGB(1.0, 0.0, 0.5)],
[new HSV(pi()/6*11, 1.0, 0.6), new RGB(0.6, 0.0, 0.3)],
[new HSV(pi()/6*11, 1.0, 0.2), new RGB(0.2, 0.0, 0.1)],
[new HSV(deg2rad(10), 0.8, 0.4), new RGB(102/255, 34/255, 20.4/255 )],
[new HSV(deg2rad(35), 0.8, 0.4), new RGB(102/255, 68/255, 20.4/255 )],
[new HSV(deg2rad(35), 0.3, 0.6), new RGB(153/255, 133.875/255, 107.1/255 )],
[new HSV(deg2rad(100), 0.3, 0.6), new RGB(122.4/255, 153/255, 107.1/255 )],
[new HSV(deg2rad(130), 0.6, 0.2), new RGB(20.4/255, 51/255, 25.5/255 )],
[new HSV(deg2rad(155), 0.6, 0.9), new RGB(91.8/255, 229.5/255, 172.125/255)],
[new HSV(deg2rad(200), 0.8, 0.6), new RGB(30.6/255, 112.2/255, 153/255 )],
[new HSV(deg2rad(226), 0.8, 0.6), new RGB(30.6/255, 59.16/255, 153/255 )],
[new HSV(deg2rad(226), 0.1, 0.5), new RGB(114.75/255, 117.725/255, 127.5/255 )],
[new HSV(deg2rad(250), 0.9, 0.9), new RGB(57.373/255, 22.95/255, 229.5/255 )],
[new HSV(deg2rad(270), 0.9, 0.9), new RGB(126.225/255, 22.95/255, 229.5/255 )],
[new HSV(deg2rad(295), 0.7, 0.9), new RGB(216.11/255, 68.85/255, 229.5/255 )],
[new HSV(deg2rad(322), 0.7, 0.9), new RGB(229.5/255, 68.85/255, 170.595/255)],
[new HSV(deg2rad(322), 0.8, 0.4), new RGB(102/255, 20.4/255, 72.08/255 )],
[new HSV(deg2rad(340), 0.8, 0.4), new RGB(102/255, 20.4/255, 47.6/255 )],
[new HSV(deg2rad(359), 0.8, 0.4), new RGB(102/255, 20.4/255, 21.76/255 )],
[new HSV(deg2rad(359), 0.5, 0.1), new RGB(25.5/255, 12.75/255, 12.96/255 )],
];
}
/**
* @dataProvider toRGBProvider
*/
public function testToRGB($hsv, $rgb_e)
{
$rgb_r = $hsv->toRGB();
$this->assertTrue(
$rgb_e->equals($rgb_r),
sprintf(
"\$hsv = %s\n\$hsv->toRGB() = %s\n\$rgb_e = %s",
print_r($hsv, true),
print_r($rgb_r, true),
print_r($rgb_e, true)
)
);
}
}