OFImageFormatHandler.h

/*
 * Copyright (c) 2008-2026 Jonathan Schleifer <js@nil.im>
 *
 * All rights reserved.
 *
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License version 3.0 only,
 * 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 Lesser General Public License
 * version 3.0 for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3.0 along with this program. If not, see
 * <https://www.gnu.org/licenses/>.
 */

#import "OFObject.h"
#import "OFImage.h"

OF_ASSUME_NONNULL_BEGIN

@interface OFImageFormatHandler: OFObject
{
    OFImageFormat _imageFormat;
    OF_RESERVE_IVARS(OFImageFormatHandler, 4)
}

@property (readonly, nonatomic) OFImageFormat imageFormat;

+ (bool)registerClass: (Class)class_ forImageFormat: (OFImageFormat)imageFormat;

+ (OFImageFormatHandler *)handlerForImageFormat: (OFImageFormat)imageFormat;

- (instancetype)init OF_UNAVAILABLE;

- (instancetype)initWithImageFormat: (OFImageFormat)imageFormat;

- (OFMutableImage *)readImageFromStream: (OFSeekableStream *)stream;

- (void)writeImage: (OFImage *)image
      toStream: (OFSeekableStream *)stream
       options: (nullable OFDictionary OF_GENERIC(OFString *, id) *)options;
@end

OF_ASSUME_NONNULL_END