using System;

using ImageCore.Enums;

using ImageCore.Models;

using ImageCore.Persistence.EntityFramework;

namespace ImageApi.Core

{

public static class ImageFileInfoExtensions

{

public static ImageDto ToImage(this ImageFileInfo fileInfo)

{

ImageFormat imageFormat;

switch (fileInfo.Extension)

{

case ".jpg":

imageFormat = ImageFormat.Jpeg;

break;

case ".gif":

imageFormat = ImageFormat.Gif;

break;

case ".bmp":

imageFormat = ImageFormat.Bmp;

break;

case ".png":

imageFormat = ImageFormat.Png;

break;

default:

throw new Exception("此文件不是图片类型");

}

var image = new ImageDto()

{

Format = imageFormat,

Length = fileInfo.Length,

Bytes = fileInfo.FileBytes,

CreateTime = DateTime.Now,

Name = fileInfo.FileName,

BusinessType = BusinessType.Default,

Width = fileInfo.Size.Width,

Height = fileInfo.Size.Height

};

return image;

}

}

}