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PATH: home / lab2454c / crypto.keyreum.com / vendor / intervention / image / src / Intervention / Image / Imagick / Commands

<?php

namespace Intervention\Image\Imagick\Commands;

use Intervention\Image\Commands\AbstractCommand;

class ColorizeCommand extends AbstractCommand
{
    /**
     * Changes balance of different RGB color channels
     *
     * @param  \Intervention\Image\Image $image
     * @return boolean
     */
    public function execute($image)
    {
        $red = $this->argument(0)->between(-100, 100)->required()->value();
        $green = $this->argument(1)->between(-100, 100)->required()->value();
        $blue = $this->argument(2)->between(-100, 100)->required()->value();

// normalize colorize levels
        $red = $this->normalizeLevel($red);
        $green = $this->normalizeLevel($green);
        $blue = $this->normalizeLevel($blue);

$qrange = $image->getCore()->getQuantumRange();

// apply
        $image->getCore()->levelImage(0, $red, $qrange['quantumRangeLong'], \Imagick::CHANNEL_RED);
        $image->getCore()->levelImage(0, $green, $qrange['quantumRangeLong'], \Imagick::CHANNEL_GREEN);
        $image->getCore()->levelImage(0, $blue, $qrange['quantumRangeLong'], \Imagick::CHANNEL_BLUE);

return true;
    }

private function normalizeLevel($level)
    {
        if ($level > 0) {
            return $level/5;
        } else {
            return ($level+100)/100;
        }
    }
}

[-] InsertCommand.php [edit]
[-] HeightenCommand.php [edit]
[-] BlurCommand.php [edit]
[-] LimitColorsCommand.php [edit]
[-] ResetCommand.php [edit]
[-] SharpenCommand.php [edit]
[-] TrimCommand.php [edit]
[+] ..
[-] ColorizeCommand.php [edit]
[-] PixelateCommand.php [edit]
[-] GammaCommand.php [edit]
[-] FitCommand.php [edit]
[-] BrightnessCommand.php [edit]
[-] InterlaceCommand.php [edit]
[-] ContrastCommand.php [edit]
[-] OpacityCommand.php [edit]
[-] WidenCommand.php [edit]
[-] InvertCommand.php [edit]
[-] DestroyCommand.php [edit]
[-] ResizeCommand.php [edit]
[-] MaskCommand.php [edit]
[-] CropCommand.php [edit]
[-] GetSizeCommand.php [edit]
[-] GreyscaleCommand.php [edit]
[-] BackupCommand.php [edit]
[-] ResizeCanvasCommand.php [edit]
[-] ExifCommand.php [edit]
[-] FillCommand.php [edit]
[-] FlipCommand.php [edit]
[-] RotateCommand.php [edit]
[-] PickColorCommand.php [edit]
[-] PixelCommand.php [edit]