/**
* @param ColorInterface $baseColor
* @return \Generator
*/
protected function generate(ColorInterface $baseColor)
{
(yield $baseColor);
(yield Color::complement($baseColor, 120));
(yield Color::complement($baseColor, 180));
(yield Color::complement($baseColor, -60));
}
public static function getHtml(PaletteInterface $palette, $columns = null, $width = null, $height = null)
{
$html = '';
foreach ($palette as $i => $color) {
$html .= Color::getHtml($color, $width, $height);
if ($columns !== null && ($i + 1) % $columns === 0) {
$html .= '<br>';
}
}
return $html;
}
public function offsetSet($offset, $color)
{
$color = Color::get($color);
if (!$color instanceof ColorInterface) {
throw new RuntimeException("The color you passed to PaletteTrait->offsetSet() is not valid");
}
if ($offset === null) {
$this->colors[] = $color;
} else {
$this->colors[$offset] = $color;
}
}
public function testFunctionStringConversion()
{
$c = Color::get('hsl(50%, 50%, 100%)')->getHsl();
$this->assertEquals(180, $c->getHue());
$c = Color::get('hsl(-180, 50%, 100%)')->getHsl();
$this->assertEquals(180, $c->getHue());
$c = Color::get('hsl(-150%, 50%, 100%)')->getHsl();
$this->assertEquals(180, $c->getHue());
$c = Color::get('hsl(150%, 50%, 100%)')->getHsl();
$this->assertEquals(180, $c->getHue());
$this->assertEquals(0.5, $c->getSaturation());
$this->assertEquals(1.0, $c->getLightness());
$c = Color::get('rgb(34.23%, 20%, 120)')->getRgb();
$this->assertEquals(87, $c->getRed());
$this->assertEquals(51, $c->getGreen());
$this->assertEquals(120, $c->getBlue());
$c = Color::get('hsla(0.872664626rad, .4, 90%, 22.3%)')->getHsla();
$this->assertEquals(50, $c->getHue());
$this->assertEquals(0.4, $c->getSaturation());
$this->assertEquals(0.9, $c->getLightness());
$this->assertEquals(0.223, $c->getAlpha());
}
public static function getHtml(ColorInterface $color, $width = null, $height = null)
{
$width = $width ?: 120;
$height = $height ?: 120;
$color = $color->getRgba();
$inversed = self::inverse($color)->getRgba();
$name = self::getName($color);
$hue = $color->getHsl()->getHue();
return sprintf('<div style="display: inline-block; vertical-align: middle; width: %dpx; height: %dpx; ' . 'background: %s; color: %s; font-size: 12px; font-family: Arial, sans-serif; ' . 'text-align: center; line-height: %dpx;">%s<br>%s<br>%s%s</div>', $width, $height, $color, $inversed, intval($height / 4), $color->getLab()->getRgb(), Color::getHexString($color->getRgb()), self::getHueRange($hue) . "->" . round($hue, 2), $name ? "<br>{$name}" : '');
}
$color = color_get($hex);
echo \Phim\color_get_html($color);
$mc = new \Phim\Color\Scheme\HueRotationScheme($color, 20, 5);
foreach ($mc as $compareColor) {
echo '<div style="display: inline-block; vertical-align: top; text-align: center;">';
echo \Phim\color_get_html($compareColor);
echo '<br>';
echo '<span style="padding: 10px;">' . \Phim\Color::getDifference($color, $compareColor) . '</span>';
echo '</div>';
}
echo '<br>';
}
echo '</div>';
echo '<h1>Finding visually similar colors (Tolerance: ' . $t . ', control with <url>?t=<tolerance>)</h1>';
echo '<div style="white-space: nowrap;">';
foreach ($names as $name => $hex) {
$color = color_get($hex);
echo \Phim\color_get_html($color);
foreach (\Phim\color_get_names() as $compareColor) {
$deltaE = \Phim\Color::getDifference($color, color_get($compareColor));
if ($deltaE < $t) {
echo '<div style="display: inline-block; vertical-align: top; text-align: center;">';
echo Phim\Color::getHtml(color_get($compareColor));
echo '<br>';
echo '<span style="padding: 10px;">' . $deltaE . '</span>';
echo '</div>';
}
}
echo '<br>';
}
echo '</div>';
protected function generateStep(ColorInterface $baseColor, $i, $step)
{
return Color::complement($baseColor, $i * $step);
}
protected function generateStep(ColorInterface $baseColor, $i, $step)
{
return Color::lighten($baseColor, $i * $step);
}
/**
* SchemeBase constructor.
* @param ColorInterface|string|int $baseColor
*/
public function __construct($baseColor)
{
$this->baseColor = Color::get($baseColor);
$colors = iterator_to_array($this->generate($this->baseColor));
parent::__construct($colors, count($colors));
}
function color_get_html($color, $width = null, $height = null)
{
return Color::getHtml(color_get($color), $width, $height);
}