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<?php
/**
* @copyright Copyright (c) 2016, ownCloud, Inc.
*
* @author Joas Schilling <coding@schilljs.com>
* @author Morris Jobke <hey@morrisjobke.de>
* @author Olivier Paroz <github@oparoz.com>
*
* @license AGPL-3.0
*
* This code is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License, version 3,
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
namespace OCP;
/**
* Class for basic image manipulation
* @since 8.1.0
*/
interface IImage {
/**
* Determine whether the object contains an image resource.
*
* @return bool
* @since 8.1.0
*/
public function valid();
/**
* Returns the MIME type of the image or an empty string if no image is loaded.
*
* @return string
* @since 8.1.0
*/
public function mimeType();
/**
* Returns the width of the image or -1 if no image is loaded.
*
* @return int
* @since 8.1.0
*/
public function width();
/**
* Returns the height of the image or -1 if no image is loaded.
*
* @return int
* @since 8.1.0
*/
public function height();
/**
* Returns the width when the image orientation is top-left.
*
* @return int
* @since 8.1.0
*/
public function widthTopLeft();
/**
* Returns the height when the image orientation is top-left.
*
* @return int
* @since 8.1.0
*/
public function heightTopLeft();
/**
* Outputs the image.
*
* @param string $mimeType
* @return bool
* @since 8.1.0
*/
public function show($mimeType = null);
/**
* Saves the image.
*
* @param string $filePath
* @param string $mimeType
* @return bool
* @since 8.1.0
*/
public function save($filePath = null, $mimeType = null);
/**
* @return resource Returns the image resource in any.
* @since 8.1.0
*/
public function resource();
/**
* @return string Returns the raw data mimetype
* @since 13.0.0
*/
public function dataMimeType();
/**
* @return string Returns the raw image data.
* @since 8.1.0
*/
public function data();
/**
* (I'm open for suggestions on better method name ;)
* Get the orientation based on EXIF data.
*
* @return int The orientation or -1 if no EXIF data is available.
* @since 8.1.0
*/
public function getOrientation();
/**
* (I'm open for suggestions on better method name ;)
* Fixes orientation based on EXIF data.
*
* @return bool
* @since 8.1.0
*/
public function fixOrientation();
/**
* Resizes the image preserving ratio.
*
* @param integer $maxSize The maximum size of either the width or height.
* @return bool
* @since 8.1.0
*/
public function resize($maxSize);
/**
* @param int $width
* @param int $height
* @return bool
* @since 8.1.0
*/
public function preciseResize(int $width, int $height): bool;
/**
* Crops the image to the middle square. If the image is already square it just returns.
*
* @param int $size maximum size for the result (optional)
* @return bool for success or failure
* @since 8.1.0
*/
public function centerCrop($size = 0);
/**
* Crops the image from point $x$y with dimension $wx$h.
*
* @param int $x Horizontal position
* @param int $y Vertical position
* @param int $w Width
* @param int $h Height
* @return bool for success or failure
* @since 8.1.0
*/
public function crop(int $x, int $y, int $w, int $h): bool;
/**
* Resizes the image to fit within a boundary while preserving ratio.
*
* @param integer $maxWidth
* @param integer $maxHeight
* @return bool
* @since 8.1.0
*/
public function fitIn($maxWidth, $maxHeight);
/**
* Shrinks the image to fit within a boundary while preserving ratio.
*
* @param integer $maxWidth
* @param integer $maxHeight
* @return bool
* @since 8.1.0
*/
public function scaleDownToFit($maxWidth, $maxHeight);
}