//
//  VKImageParameters.h
//
//  Copyright (c) 2014 VK.com
//
//  Permission is hereby granted, free of charge, to any person obtaining a copy of
//  this software and associated documentation files (the "Software"), to deal in
//  the Software without restriction, including without limitation the rights to
//  use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
//  the Software, and to permit persons to whom the Software is furnished to do so,
//  subject to the following conditions:
//
//  The above copyright notice and this permission notice shall be included in all
//  copies or substantial portions of the Software.
//
//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
//  FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
//  COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
//  IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
//  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

#import "VKObject.h"

/**
 Describes image representation type
 */
typedef enum VKImageType {
	/// Sets jpeg representation of image
	VKImageTypeJpg,
	/// Sets png representation of image
	VKImageTypePng
} VKImageType;

/**
 Parameters used for uploading image into VK servers
 */
@interface VKImageParameters : VKObject

/// Type of image compression. Can be <b>VKImageTypeJpg</b> or <b>VKImageTypePng</b>.
@property (nonatomic, assign) VKImageType imageType;
/// Quality used for jpg compression. From 0.0 to 1.0
@property (nonatomic, assign) CGFloat jpegQuality;

/**
 Creates new parameters instance for png image.
 @return New instance of parameters
 */
+ (instancetype)pngImage;
/**
 Creates new parameters instance for jpeg image.
 @param quality Used only for <b>VKImageTypeJpg</b> representation. From 0.0 to 1.0
 @return New instance with passed parameters
 */
+ (instancetype)jpegImageWithQuality:(float)quality;

/**
 Return file extension for selected type
 @return png for VKImageTypePng image type, jpg for VKImageTypeJpg image type
 */
- (NSString *)fileExtension;
/**
 Return mime type
 @return parameters mime type
 */
- (NSString *)mimeType;
@end


