/**
* Indicates if read the image's Exif Orientation information,
* and then rotate or flip the image automatically.
* @type {boolean}
*/
checkOrientation: true,
/**
* The max width of the output image.
* @type {number}
*/
maxWidth: Infinity,
/**
* The max height of the output image.
* @type {number}
*/
maxHeight: Infinity,
/**
* The min width of the output image.
* @type {number}
*/
minWidth: 0,
/**
* The min height of the output image.
* @type {number}
*/
minHeight: 0,
/**
* The width of the output image.
* If not specified, the natural width of the source image will be used.
* @type {number}
*/
width: undefined,
/**
* The height of the output image.
* If not specified, the natural height of the source image will be used.
* @type {number}
*/
height: undefined,
/**
* The quality of the output image.
* It must be a number between `0` and `1`,
* and only available for `image/jpeg` and `image/webp` images.
* Check out {@link https://developer.mozilla.org/en-US/docs/Web/API/HTMLCanvasElement/toBlob canvas.toBlob}.
* @type {number}
*/
quality: 0.8,
/**
* The mime type of the output image.
* By default, the original mime type of the source image file will be used.
* @type {string}
*/
mimeType: 'auto',
/**
* PNG files over this value (5M by default) will be converted to JPEGs.
* To disable this, just set the value to `Infinity`.
* Check out {@link https://github.com/xkeshi/image-compressor/issues/2 #2}.
* @type {number}
*/
convertSize: 5000000,
/**
* The hook function to execute before draw the image into the canvas for compression.
* @type {Function}
* @param {CanvasRenderingContext2D} context - The 2d rendering context of the canvas.
* @param {HTMLCanvasElement} canvas - The canvas for compression.
* @example
* function (context, canvas) { context.fillStyle = '#fff' }
*/
beforeDraw: null,
/**
* The hook function to execute after drew the image into the canvas for compression.
* @type {Function}
* @param {CanvasRenderingContext2D} context - The 2d rendering context of the canvas.
* @param {HTMLCanvasElement} canvas - The canvas for compression.
* @example
* function (context, canvas) { context.filter = grayscale(100%) }
*/
drew: null,
/**
* The hook function to execute when success to compress the image.
* @type {Function}
* @param {File} file - The compressed image File object.
* @example
* function (file) { console.log(file) }
*/
success: null,
/**
* The hook function to execute when fail to compress the image.
* @type {Function}
* @param {Error} err - An Error object.
* @example
* function (err) { console.log(err.message) }
*/
error: null,