/**
* Test distance
*/
public function testDistance()
{
$this->assertGreaterThan(0.8, Color::create('ff0000')->distance('0000ff'));
$this->assertLessThan(0.1, Color::create('ff0000')->distance('f80800'));
}
/**
* Filter method: colorize
*
* @param string|\Zork\Image\Color $color
* @return \Zork\Image\Image
* @throws \Zork\Image\FilterException
* @codeCoverageIgnore
*/
public function filterColorize($color = 'gray')
{
if (!$color instanceof Color) {
$color = Color::create($color);
}
if (!imagefilter($this->resource, IMG_FILTER_COLORIZE, $color->getRed(), $color->getGreen(), $color->getBlue(), intval($color->getAlpha() * 127 / 255))) {
throw new Exception\FilterException('Filter cannot execute');
}
}
/**
* Test color fill & crop
*/
public function testColorFillCrop()
{
$image = Image::create(200, 150, false);
$this->assertTrue($image->getTransparent()->isTransparent());
$image = Image::create(200, 150);
$this->assertTrue($image->getTransparent()->isTransparent());
$color = Color::create('red');
$image->fill($color);
$this->assertEquals($color, $image->colorAt(100, 75));
$color = Color::create('green');
$image->fill($color, 50, 50, 100, 50);
$this->assertEquals($color, $image->colorAt(100, 75));
$color = '0000ffff';
$image->fill($color, -150, -50);
$this->assertEquals(Color::create($color), $image->colorAt(-100, -25));
$image->cropTo(50, 50, 100, 50);
$this->assertEquals(100, $image->getWidth());
$this->assertEquals(50, $image->getHeight());
$this->assertEquals(Color::create('green'), $image->colorAt(50, 25));
$image = null;
}
