//
  //  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