using System;
using System.Windows;
using Microsoft.Win32;
using System.Drawing;
using System.Runtime.InteropServices;


namespace ImageProcessUtilsTest
{
    /// <summary>
    /// MainWindow.xaml 的交互逻辑
    /// </summary>
    public partial class MainWindow : Window
    {
        private ImageUtils _aaa = new ImageUtils();

        public MainWindow()
        {
            InitializeComponent();
        }

        private void OnTestResizeOnlyClick(object sender, RoutedEventArgs e)
        {
            OpenFileDialog ofd = new OpenFileDialog();
            ofd.Filter = "图片文件|*.png;*.bmp;*.jpg;*.jpeg";
            ofd.Multiselect = false;
            if (ofd.ShowDialog() == true)
            {
                Bitmap image = new Bitmap(ofd.FileName);
                var rawImg = _aaa.BitmapToRawImage(image);
                var resizedRawImg = _aaa.ResizeBilinearWithCpp(rawImg, _aaa.NetImgW, _aaa.NetImgH);
                var resizedBitmap = _aaa.RawImageToBitmap(resizedRawImg);
                resizedBitmap.Save("aaa.jpg", System.Drawing.Imaging.ImageFormat.Jpeg);
                MessageBox.Show("完成");
            }
        }

        private void OnTestResizeCompareClick(object sender, RoutedEventArgs e)
        {
            OpenFileDialog ofd = new OpenFileDialog();
            ofd.Filter = "图片文件|*.png;*.bmp;*.jpg;*.jpeg";
            ofd.Multiselect = false;
            if (ofd.ShowDialog() == true)
            {
                Bitmap image = new Bitmap(ofd.FileName);
                var rawImg = _aaa.BitmapToRawImage(image);
                _aaa.DoResize(rawImg, new MyRect(10, 10, image.Width - 20, image.Height - 20), new MyRect(0, 0, _aaa.NetImgW, _aaa.NetImgH));
                if (_aaa.NetImgC == 3)
                {
                    _aaa.ExtractRGB24AsColor(0);
                }
                else
                {
                    _aaa.ExtractRGB24AsGray(0);
                }
                string path = "resize_orig.txt";
                System.IO.FileStream fs = new System.IO.FileStream(path, System.IO.FileMode.OpenOrCreate);
                fs.Write(_aaa.ResizedImageDataBuffer, 0, _aaa.ResizedImageDataBuffer.Length);
                fs.Close();
                string pathExtract = "extract_orig.txt";
                System.IO.FileStream fsExtract = new System.IO.FileStream(pathExtract, System.IO.FileMode.OpenOrCreate);
                byte[] dataBuffer = new byte[_aaa.DataBuffer.Length * 4];
                GCHandle hObjectDst = GCHandle.Alloc(dataBuffer, GCHandleType.Pinned);
                IntPtr pDataDst = hObjectDst.AddrOfPinnedObject();
                Marshal.Copy(_aaa.DataBuffer, 0, pDataDst, _aaa.DataBuffer.Length);
                fsExtract.Write(dataBuffer, 0, dataBuffer.Length);
                fsExtract.Close();

                _aaa.DoResizeCpp(rawImg, new MyRect(10, 10, image.Width - 20, image.Height - 20), new MyRect(0, 0, _aaa.NetImgW, _aaa.NetImgH));
                if (_aaa.NetImgC == 3)
                {
                    _aaa.ExtractRGB24AsColorCpp(0);
                }
                else
                {
                    _aaa.ExtractRGB24AsGrayCpp(0);
                }
                string pathCpp = "resize_cpp.txt";
                System.IO.FileStream fsCpp = new System.IO.FileStream(pathCpp, System.IO.FileMode.OpenOrCreate);
                fsCpp.Write(_aaa.ResizedImageDataBuffer, 0, _aaa.ResizedImageDataBuffer.Length);
                fsCpp.Close();
                string pathExtractCpp = "extract_cpp.txt";
                System.IO.FileStream fsExtractCpp = new System.IO.FileStream(pathExtractCpp, System.IO.FileMode.OpenOrCreate);
                byte[] dataBufferCpp = new byte[_aaa.DataBuffer.Length * 4];
                GCHandle hObjectDstCpp = GCHandle.Alloc(dataBufferCpp, GCHandleType.Pinned);
                IntPtr pDataDstCpp = hObjectDstCpp.AddrOfPinnedObject();
                Marshal.Copy(_aaa.DataBuffer, 0, pDataDstCpp, _aaa.DataBuffer.Length);
                fsExtractCpp.Write(dataBufferCpp, 0, dataBufferCpp.Length);
                fsExtractCpp.Close();
                MessageBox.Show("完成");
            }
        }
    }
}