/**
* 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(\GmagickPixel $pixel)
{
static $colorMapping = array(ColorInterface::COLOR_RED => \Gmagick::COLOR_RED, ColorInterface::COLOR_GREEN => \Gmagick::COLOR_GREEN, ColorInterface::COLOR_BLUE => \Gmagick::COLOR_BLUE, ColorInterface::COLOR_CYAN => \Gmagick::COLOR_CYAN, ColorInterface::COLOR_MAGENTA => \Gmagick::COLOR_MAGENTA, ColorInterface::COLOR_YELLOW => \Gmagick::COLOR_YELLOW, ColorInterface::COLOR_KEYLINE => \Gmagick::COLOR_BLACK);
if ($this->palette->supportsAlpha()) {
try {
$alpha = (int) round($pixel->getcolorvalue(\Gmagick::COLOR_ALPHA) * 100);
} catch (\GmagickPixelException $e) {
$alpha = null;
}
} else {
$alpha = 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 \GmagickPixel $pixel
*
* @return ColorInterface
*
* @throws InvalidArgumentException In case a unknown color is requested
*/
public function pixelToColor(\GmagickPixel $pixel)
{
static $colorMapping = array(ColorInterface::COLOR_RED => \Gmagick::COLOR_RED, ColorInterface::COLOR_GREEN => \Gmagick::COLOR_GREEN, ColorInterface::COLOR_BLUE => \Gmagick::COLOR_BLUE, ColorInterface::COLOR_CYAN => \Gmagick::COLOR_CYAN, ColorInterface::COLOR_MAGENTA => \Gmagick::COLOR_MAGENTA, ColorInterface::COLOR_YELLOW => \Gmagick::COLOR_YELLOW, ColorInterface::COLOR_KEYLINE => \Gmagick::COLOR_BLACK, ColorInterface::COLOR_GRAY => \Gmagick::COLOR_RED);
if ($this->palette->supportsAlpha()) {
try {
$alpha = (int) round($pixel->getcolorvalue(\Gmagick::COLOR_ALPHA) * 100);
} catch (\GmagickPixelException $e) {
$alpha = null;
}
} else {
$alpha = 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 Gmagick', $color));
}
$multiplier = 255;
if ($palette->name() === PaletteInterface::PALETTE_CMYK) {
$multiplier = 100;
}
return $pixel->getcolorvalue($colorMapping[$color]) * $multiplier;
}, $this->palette->pixelDefinition()), $alpha);
}
