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intervention_image/tests/GdColorTest.php

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<?php
use Intervention\Image\Gd\Color;
// alpha - A value between 0 and 127. 0 indicates completely opaque while 127 indicates completely transparent.
class GdColorTest extends PHPUnit_Framework_TestCase
{
public function testConstructor()
{
$c = new Color;
$this->validateColor($c, 255, 255, 255, 127);
}
public function testParseNull()
{
$c = new Color;
$c->parse(null);
$this->validateColor($c, 255, 255, 255, 127);
}
public function testParseInteger()
{
$c = new Color;
$c->parse(850736919);
$this->validateColor($c, 181, 55, 23, 50);
}
public function testParseArray()
{
$c = new Color;
$c->parse(array(181, 55, 23, 0.5));
$this->validateColor($c, 181, 55, 23, 64);
}
public function testParseHexString()
{
$c = new Color;
$c->parse('#b53717');
$this->validateColor($c, 181, 55, 23, 0);
}
public function testParseRgbaString()
{
$c = new Color;
$c->parse('rgba(181, 55, 23, 1)');
$this->validateColor($c, 181, 55, 23, 0);
}
public function testInitFromInteger()
{
$c = new Color;
$c->initFromInteger(0);
$this->validateColor($c, 0, 0, 0, 0);
$c->initFromInteger(2147483647);
$this->validateColor($c, 255, 255, 255, 127);
$c->initFromInteger(16777215);
$this->validateColor($c, 255, 255, 255, 0);
$c->initFromInteger(2130706432);
$this->validateColor($c, 0, 0, 0, 127);
$c->initFromInteger(850736919);
$this->validateColor($c, 181, 55, 23, 50);
}
public function testInitFromArray()
{
$c = new Color;
$c->initFromArray(array(0, 0, 0, 0));
$this->validateColor($c, 0, 0, 0, 127);
$c->initFromArray(array(0, 0, 0, 1));
$this->validateColor($c, 0, 0, 0, 0);
$c->initFromArray(array(255, 255, 255, 1));
$this->validateColor($c, 255, 255, 255, 0);
$c->initFromArray(array(255, 255, 255, 0));
$this->validateColor($c, 255, 255, 255, 127);
$c->initFromArray(array(255, 255, 255, 0.5));
$this->validateColor($c, 255, 255, 255, 64);
$c->initFromArray(array(0, 0, 0));
$this->validateColor($c, 0, 0, 0, 0);
$c->initFromArray(array(255, 255, 255));
$this->validateColor($c, 255, 255, 255, 0);
$c->initFromArray(array(181, 55, 23));
$this->validateColor($c, 181, 55, 23, 0);
$c->initFromArray(array(181, 55, 23, 0.5));
$this->validateColor($c, 181, 55, 23, 64);
}
public function testInitFromHexString()
{
$c = new Color;
$c->initFromString('#cccccc');
$this->validateColor($c, 204, 204, 204, 0);
$c->initFromString('#b53717');
$this->validateColor($c, 181, 55, 23, 0);
$c->initFromString('ffffff');
$this->validateColor($c, 255, 255, 255, 0);
$c->initFromString('ff00ff');
$this->validateColor($c, 255, 0, 255, 0);
$c->initFromString('#000');
$this->validateColor($c, 0, 0, 0, 0);
$c->initFromString('000');
$this->validateColor($c, 0, 0, 0, 0);
}
public function testInitFromRgbString()
{
$c = new Color;
$c->initFromString('rgb(1, 14, 144)');
$this->validateColor($c, 1, 14, 144, 0);
$c->initFromString('rgb (255, 255, 255)');
$this->validateColor($c, 255, 255, 255, 0);
$c->initFromString('rgb(0,0,0)');
$this->validateColor($c, 0, 0, 0, 0);
$c->initFromString('rgba(0,0,0,0)');
$this->validateColor($c, 0, 0, 0, 127);
$c->initFromString('rgba(0,0,0,0.5)');
$this->validateColor($c, 0, 0, 0, 64);
$c->initFromString('rgba(255, 0, 0, 0.5)');
$this->validateColor($c, 255, 0, 0, 64);
$c->initFromString('rgba(204, 204, 204, 0.9)');
$this->validateColor($c, 204, 204, 204, 13);
}
public function testInitFromRgb()
{
$c = new Color;
$c->initFromRgb(0, 0, 0);
$this->validateColor($c, 0, 0, 0, 0);
$c->initFromRgb(255, 255, 255);
$this->validateColor($c, 255, 255, 255, 0);
$c->initFromRgb(181, 55, 23);
$this->validateColor($c, 181, 55, 23, 0);
}
public function testInitFromRgba()
{
$c = new Color;
$c->initFromRgba(0, 0, 0, 1);
$this->validateColor($c, 0, 0, 0, 0);
$c->initFromRgba(255, 255, 255, 1);
$this->validateColor($c, 255, 255, 255, 0);
$c->initFromRgba(181, 55, 23, 1);
$this->validateColor($c, 181, 55, 23, 0);
$c->initFromRgba(181, 55, 23, 0);
$this->validateColor($c, 181, 55, 23, 127);
$c->initFromRgba(181, 55, 23, 0.5);
$this->validateColor($c, 181, 55, 23, 64);
}
public function testGetInt()
{
$c = new Color;
$i = $c->getInt();
$this->assertInternalType('int', $i);
$this->assertEquals(2147483647, $i);
$c = new Color(array(255, 255, 255));
$i = $c->getInt();
$this->assertInternalType('int', $i);
$this->assertEquals($i, 16777215);
$c = new Color(array(255, 255, 255, 1));
$i = $c->getInt();
$this->assertInternalType('int', $i);
$this->assertEquals($i, 16777215);
$c = new Color(array(181, 55, 23, 0.5));
$i = $c->getInt();
$this->assertInternalType('int', $i);
$this->assertEquals($i, 1085617943);
$c = new Color(array(181, 55, 23, 1));
$i = $c->getInt();
$this->assertInternalType('int', $i);
$this->assertEquals($i, 11876119);
$c = new Color(array(0, 0, 0, 0));
$i = $c->getInt();
$this->assertInternalType('int', $i);
$this->assertEquals($i, 2130706432);
}
public function testGetHex()
{
$c = new Color;
$i = $c->getHex();
$this->assertInternalType('string', $i);
$this->assertEquals($i, 'ffffff');
$c = new Color(array(255, 255, 255, 1));
$i = $c->getHex();
$this->assertInternalType('string', $i);
$this->assertEquals($i, 'ffffff');
$c = new Color(array(181, 55, 23, 0.5));
$i = $c->getHex();
$this->assertInternalType('string', $i);
$this->assertEquals($i, 'b53717');
$c = new Color(array(0, 0, 0, 0));
$i = $c->getHex('#');
$this->assertInternalType('string', $i);
$this->assertEquals($i, '#000000');
}
public function testGetArray()
{
$c = new Color;
$i = $c->getArray();
$this->assertInternalType('array', $i);
$this->assertEquals($i, array(255, 255, 255, 0));
$c = new Color(array(255, 255, 255, 1));
$i = $c->getArray();
$this->assertInternalType('array', $i);
$this->assertEquals($i, array(255, 255, 255, 1));
$c = new Color(array(181, 55, 23, 0.5));
$i = $c->getArray();
$this->assertInternalType('array', $i);
$this->assertEquals($i, array(181, 55, 23, 0.5));
$c = new Color(array(0, 0, 0, 1));
$i = $c->getArray();
$this->assertInternalType('array', $i);
$this->assertEquals($i, array(0, 0, 0, 1));
}
public function testGetRgba()
{
$c = new Color;
$i = $c->getRgba();
$this->assertInternalType('string', $i);
$this->assertEquals($i, 'rgba(255, 255, 255, 0.00)');
$c = new Color(array(255, 255, 255, 1));
$i = $c->getRgba();
$this->assertInternalType('string', $i);
$this->assertEquals($i, 'rgba(255, 255, 255, 1.00)');
$c = new Color(array(181, 55, 23, 0.5));
$i = $c->getRgba();
$this->assertInternalType('string', $i);
$this->assertEquals($i, 'rgba(181, 55, 23, 0.50)');
$c = new Color(array(0, 0, 0, 1));
$i = $c->getRgba();
$this->assertInternalType('string', $i);
$this->assertEquals($i, 'rgba(0, 0, 0, 1.00)');
}
public function testDiffers()
{
$c1 = new Color(array(0, 0, 0));
$c2 = new Color(array(0, 0, 0));
$this->assertEquals(false, $c1->differs($c2));
$c1 = new Color(array(1, 0, 0));
$c2 = new Color(array(0, 0, 0));
$this->assertEquals(true, $c1->differs($c2));
$c1 = new Color(array(1, 0, 0));
$c2 = new Color(array(0, 0, 0));
$this->assertEquals(false, $c1->differs($c2, 10));
$c1 = new Color(array(127, 127, 127));
$c2 = new Color(array(0, 0, 0));
$this->assertEquals(true, $c1->differs($c2, 49));
$c1 = new Color(array(127, 127, 127));
$c2 = new Color(array(0, 0, 0));
$this->assertEquals(false, $c1->differs($c2, 50));
}
/**
* @expectedException \Intervention\Image\Exception\NotReadableException
*/
public function testParseUnknown()
{
$c = new Color('xxxxxxxxxxxxxxxxxxxx');
}
private function validateColor($obj, $r, $g, $b, $a)
{
$this->assertInstanceOf('Intervention\Image\Gd\Color', $obj);
$this->assertInternalType('int', $r);
$this->assertInternalType('int', $g);
$this->assertInternalType('int', $b);
$this->assertInternalType('int', $a);
$this->assertEquals($obj->r, $r);
$this->assertEquals($obj->g, $g);
$this->assertEquals($obj->b, $b);
$this->assertEquals($obj->a, $a);
}
}
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