Display_D_HP/TeamAAS-VM/Core/ImageHelper.cs

using Cognex.VisionPro;
using OpenCvSharp;
using OpenCvSharp.Extensions;
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Drawing.Imaging;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Media.Imaging;

namespace TeamAAS_VP.Core
{
    public class ImageHelper
    {
        /// <summary>
        /// 压缩并保存图片
        /// </summary>
        /// <param name="bitmap"></param>
        /// <param name="path">目标图像存储路径JPEG</param>
        /// <param name="quality">压缩等级，0到100，0 最差质量，100 最佳</param>
        public static void CompressImage(Bitmap bitmap, string path, long quality = 20)
        {
            ImageCodecInfo codecInfo = GetEncoderInfo("image/jpeg");
            System.Drawing.Imaging.Encoder encoder = System.Drawing.Imaging.Encoder.Quality;
            EncoderParameters parameters = new EncoderParameters(1);
            EncoderParameter parameter = new EncoderParameter(encoder, quality);
            parameters.Param[0] = parameter;
            bitmap.Save(path, codecInfo, parameters);
            bitmap.Dispose();
            parameter.Dispose();
            parameters.Dispose();
        }

        private static ImageCodecInfo GetEncoderInfo(String mimeType)
        {
            int j;
            ImageCodecInfo[] encoders;
            encoders = ImageCodecInfo.GetImageEncoders();
            for (j = 0; j < encoders.Length; ++j)
            {
                if (encoders[j].MimeType == mimeType)
                    return encoders[j];
            }
            return null;
        }

        public static Bitmap ICogImageConvertBitmap(ICogImage image)
        {
            return image.ToBitmap();
        }

        public static Mat ICogImageConvertMat(ICogImage image)
        {
            var im = image.ToBitmap();
            Mat im1 = OpenCvSharp.Extensions.BitmapConverter.ToMat(im);
            im.Dispose();
            return im1;
        }

        public static Bitmap MatConvertBitmap(Mat image)
        {
            return OpenCvSharp.Extensions.BitmapConverter.ToBitmap(image);
        }

        public static ICogImage MatConvertICogImage(Mat image, bool color = false)
        {
            var im = OpenCvSharp.Extensions.BitmapConverter.ToBitmap(image);
            ICogImage cogImage = null;
            if (color)
            {
                cogImage = new CogImage24PlanarColor(im);
            }
            else
            {
                cogImage = new CogImage8Grey(im);
            }
            im.Dispose();
            return cogImage;
        }

        public static BitmapImage ConvertToBitmapImage(System.Drawing.Bitmap bitmap)
        {
            using (MemoryStream memoryStream = new MemoryStream())
            {
                // 将 System.Drawing.Bitmap 保存到内存流中
                bitmap.Save(memoryStream, System.Drawing.Imaging.ImageFormat.Png);

                // 重置内存流的位置，以便从头开始读取
                memoryStream.Seek(0, SeekOrigin.Begin);

                // 创建 BitmapImage 对象并加载内存流中的图像数据
                BitmapImage bitmapImage = new BitmapImage();
                bitmapImage.BeginInit();
                bitmapImage.StreamSource = memoryStream;
                bitmapImage.EndInit();

                return bitmapImage;
            }
        }

        public static BitmapImage ConvertToBitmapImage(ICogImage image)
        {
            var bitmap = image.ToBitmap();
            using (MemoryStream memoryStream = new MemoryStream())
            {
                // 将 System.Drawing.Bitmap 保存到内存流中
                bitmap.Save(memoryStream, System.Drawing.Imaging.ImageFormat.Png);

                // 重置内存流的位置，以便从头开始读取
                memoryStream.Seek(0, SeekOrigin.Begin);

                // 创建 BitmapImage 对象并加载内存流中的图像数据
                BitmapImage bitmapImage = new BitmapImage();
                bitmapImage.BeginInit();
                bitmapImage.StreamSource = memoryStream;
                bitmapImage.EndInit();
                bitmap.Dispose();
                return bitmapImage;
            }
        }

        public static BitmapImage BitmapToBitmapImage(System.Drawing.Bitmap bitmap)
        {
            BitmapImage bitmapImage = new BitmapImage();
            using (System.IO.MemoryStream ms = new System.IO.MemoryStream())
            {
                bitmap.Save(ms, bitmap.RawFormat);
                bitmapImage.BeginInit();
                bitmapImage.StreamSource = ms;
                bitmapImage.CacheOption = BitmapCacheOption.OnLoad;
                bitmapImage.EndInit();
                bitmapImage.Freeze();
            }
            return bitmapImage;
        }
    }
}