ImageManagementClass图片类

一、类名Class

类名：PublicFunctions.ImageManagementClass

二、属性Properties

无

三、方法Methods

1、为图片创建缩略图

函数：public static bool CreatePreviewImage(int PreviewImageWidth, int PreviewImageHeight, string OriginImagePath, string PreviewImagePath, Int16 QualitySetting = 100, string MimeType = "image/jpeg")

返回： true/false

2、为图片创建缩略图（重载）同时获得原图片的宽度及高度

函数：public static bool CreatePreviewImage(int PreviewImageWidth, int PreviewImageHeight, string OriginImagePath, string PreviewImagePath, ref int OriginImageWidth, ref int OriginImageHeight, Int16 QualitySetting = 100, string MimeType = "image/jpeg")

返回： true/false

3、为图片创建缩略图（重载）同时获得原图片的宽度及高度

函数：ppublic static bool CreatePreviewImage(Stream stream, int MaxWidth, int MaxHeight, string PreviewImagePath, ref int OriginImageWidth, ref int OriginImageHeight, Int16 QualitySetting = 100, string MimeType = "image/jpeg")

返回： true/false

4、更改图片尺寸

函数：public static System.Drawing.Bitmap ResizeImage(System.Drawing.Image image, int width, int height)

返回： System.Drawing.Bitmap

5、为图片添加图片水印

函数：public static bool AddWaterImage(string OriginImagePath, string LogoImagePath, string WaterImageResultPath)

返回： true/false

6、在图片上面添加文字

函数：public static void AddText(string ImagePath, int MinWidth, int MinHeight, string text, Brush brush, string FontFamily = "宋体", float FontSize = 8)

返回： 无

7、获得图片的编码信息

函数：public static ImageCodecInfo GetCodecInfo(string mimeType)

返回： ImageCodecInfo

8、检测扩展名是否为图片

函数：public static bool CheckIsPhoto(string Extension)

返回： true/false

9、获得图片的尺寸

函数：public static Size GetImageSize(string path)

返回： Size

10、CropCircleImage裁剪圆形区域图形

函数：public static System.Drawing.Image CropCircleImage(string sourceFile, int circleUpperLeftX, int circleUpperLeftY, int circleDiameter, out string ErrorMsg, int PreviewImageWidth = 0, int PreviewImageHeight = 0)

返回： System.Drawing.Image

11、CreateThumbnail创建缩略图

函数：public static AjaxResultModel CreateThumbnail(string DataTableName, string UniqueKey, string SoureImageURL, int Width, int Height)

返回： string；AjaxResultModel

12、Rotate以逆时针为方向对图像进行旋转

函数：public static AjaxResultModel Rotate(string ImagePath, int angle)

返回： AjaxResultModel