Model/JuSNS.Common/ReDrawImg.cs

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using System;
using System.Drawing;
using System.Drawing.Imaging;
using System.Drawing.Drawing2D;
using System.Drawing.Text;

namespace JuSNS.Common
{
    public enum DealType { NONE, WaterImage, WaterFont, DoubleDo, Title, Copyright }; //枚举命令 
    /// <summary>
    /// 水印图片处理类
    /// </summary>
    public class ReDrawImg
    {
        private string ImageName = string.Empty; //被处理的图片物理路径
        private string ImageWater = string.Empty; //水印图片物理路径
        private string FontString = string.Empty; //水印文字 
        private string targetImagePath = string.Empty;
        public Image inputImage = null; //输入image
        public Image outImage = null;  //输出image


        private DealType dealtype;

        /// <summary>
        /// 生成水印图片
        /// </summary>
        /// <param name="imagePath">被处理的图片物理路径</param>
        /// <param name="imageWaterPath">水印图片物理路径</param>
        /// <param name="fontString">水印文字</param>
        /// <param name="targetImagePath">要生成的图片物理路径，扩展名为jpg</param>
        public static void DealImage(string imagePath, string imageWaterPath, string fontString, string targetImagePath)
        {
            if (string.IsNullOrEmpty(imagePath))
                throw new Exception("被处理的图片物理路径 未指定");
            if (string.IsNullOrEmpty(imageWaterPath) && string.IsNullOrEmpty(fontString))
                throw new Exception("未指定水印图片或文字");

            ReDrawImg reDrawImg = new ReDrawImg();
            reDrawImg.ImageName = imagePath;
            reDrawImg.ImageWater = imageWaterPath;
            reDrawImg.FontString = fontString;
            reDrawImg.targetImagePath = targetImagePath;
            reDrawImg.DealImage();
        }
        /// <summary>
        /// 生成水印图片 返回 image类型
        /// </summary>
        /// <param name="imagePath"></param>
        /// <param name="imageWaterPath"></param>
        /// <param name="fontString"></param>
        public static Image DealImage(Image image, string imageWaterPath, string fontString, DealType dealType)
        {
            if (image == null)
                throw new Exception("被处理的图片未指定");
            ReDrawImg reDrawImg = new ReDrawImg();
            reDrawImg.inputImage = image;
            reDrawImg.ImageWater = imageWaterPath;
            reDrawImg.FontString = fontString;
            reDrawImg.targetImagePath = string.Empty;