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<?php
namespace Grafika;

/**
 * Interface ImageInterface
 * @package Grafika
 */
interface ImageInterface
{

/**
     * Output a binary raw dump of an image in a specified format.
     *
     * @param string|ImageType $type Image format of the dump. See Grafika\ImageType for supported formats.
     */
    public function blob($type);

/**
     * Create a blank image.
     *
     * @param int $width Width of image in pixels.
     * @param int $height Height of image in pixels.
     *
     * @return ImageInterface Instance of image.
     */
    public static function createBlank($width = 1, $height = 1);

/**
     * Create Image from core.
     *
     * @param resource|\Imagick $core GD resource for GD editor or Imagick instance for Imagick editor
     *
     * @return ImageInterface Instance of image.
     */
    public static function createFromCore($core);

/**
     * Create Image from image file.
     *
     * @param string $imageFile Path to image file.
     *
     * @return ImageInterface Instance of image.
     */
    public static function createFromFile($imageFile);

/**
     * Get Image core.
     *
     * @return resource|\Imagick GD resource or Imagick instance
     */
    public function getCore();

/**
     * @return int Height in pixels.
     */
    public function getHeight();

/**
     * @return string File path to image if Image was created from an image file.
     */
    public function getImageFile();

/**
     * @return string Type of image. See ImageType.
     */
    public function getType();

/**
     * @return int Width in pixels.
     */
    public function getWidth();

/**
     * Returns animated flag.
     *
     * @return bool True if animated GIF or false otherwise.
     */
    public function isAnimated();

}