/**
* Returns a color given a pixel, depending the Palette context
*
* Note : this method is public for PHP 5.3 compatibility
*
* @param \ImagickPixel $pixel
*
* @return ColorInterface
*
* @throws InvalidArgumentException In case a unknown color is requested
*/
public function pixelToColor(\ImagickPixel $pixel)
{
static $colorMapping = array(ColorInterface::COLOR_RED => \Imagick::COLOR_RED, ColorInterface::COLOR_GREEN => \Imagick::COLOR_GREEN, ColorInterface::COLOR_BLUE => \Imagick::COLOR_BLUE, ColorInterface::COLOR_CYAN => \Imagick::COLOR_CYAN, ColorInterface::COLOR_MAGENTA => \Imagick::COLOR_MAGENTA, ColorInterface::COLOR_YELLOW => \Imagick::COLOR_YELLOW, ColorInterface::COLOR_KEYLINE => \Imagick::COLOR_BLACK);
$alpha = $this->palette->supportsAlpha() ? (int) round($pixel->getColorValue(\Imagick::COLOR_ALPHA) * 100) : null;
return $this->palette->color(array_map(function ($color) use($pixel, $colorMapping) {
if (!isset($colorMapping[$color])) {
throw new InvalidArgumentException('Color %s is not mapped in Imagick');
}
return $pixel->getColorValue($colorMapping[$color]) * 255;
}, $this->palette->pixelDefinition()), $alpha);
}
/**
* Returns a color given a pixel, depending the Palette context
*
* Note : this method is public for PHP 5.3 compatibility
*
* @param \ImagickPixel $pixel
*
* @return ColorInterface
*
* @throws InvalidArgumentException In case a unknown color is requested
*/
public function pixelToColor(\ImagickPixel $pixel)
{
static $colorMapping = array(ColorInterface::COLOR_RED => \Imagick::COLOR_RED, ColorInterface::COLOR_GREEN => \Imagick::COLOR_GREEN, ColorInterface::COLOR_BLUE => \Imagick::COLOR_BLUE, ColorInterface::COLOR_CYAN => \Imagick::COLOR_CYAN, ColorInterface::COLOR_MAGENTA => \Imagick::COLOR_MAGENTA, ColorInterface::COLOR_YELLOW => \Imagick::COLOR_YELLOW, ColorInterface::COLOR_KEYLINE => \Imagick::COLOR_BLACK, ColorInterface::COLOR_GRAY => \Imagick::COLOR_RED);
$alpha = $this->palette->supportsAlpha() ? (int) round($pixel->getColorValue(\Imagick::COLOR_ALPHA) * 100) : null;
$palette = $this->palette();
return $this->palette->color(array_map(function ($color) use($palette, $pixel, $colorMapping) {
if (!isset($colorMapping[$color])) {
throw new InvalidArgumentException(sprintf('Color %s is not mapped in Imagick', $color));
}
$multiplier = 255;
if ($palette->name() === PaletteInterface::PALETTE_CMYK) {
$multiplier = 100;
}
return $pixel->getColorValue($colorMapping[$color]) * $multiplier;
}, $this->palette->pixelDefinition()), $alpha);
}
