using Microsoft.Win32;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using System.Windows.Forms;
using MouseEventArgs = System.Windows.Input.MouseEventArgs;
using OpenFileDialog = System.Windows.Forms.OpenFileDialog;
using System.Threading;
using DataFormats = System.Windows.DataFormats;
using System.IO;
using OpenCvSharp;
using System.Runtime.InteropServices;
using Point = System.Windows.Point;
namespace 拼图排序
{
/// <summary>
/// MainWindow.xaml 的交互逻辑
/// </summary>
public partial class MainWindow : System.Windows.Window {
Point previousPoint;
bool isTranslateStart = false;
ImageMerge imageMerge = new ImageMerge();
ushort[] gray;
ushort[] mat_gray;
ushort slider_value = 0;
Image[] Images = new Image[100];
OpenCvSharp.Mat OriginalMat = new OpenCvSharp.Mat();
int UpDateTime = 1000;
public BitmapSource MatToBitmapSource(Mat mat, ref ushort[] gray) {
PixelFormat pf = PixelFormats.Gray16;
int rawStride = (mat.Width * pf.BitsPerPixel + 7) / 8;
mat.GetArray(out gray);
return BitmapSource.Create(mat.Width, mat.Height, 96, 96, pf, null, gray, rawStride);
}
private void OpenImages(string[] files) {
OriginalMat = Cv2.ImRead(files[0], ImreadModes.Unchanged);
mat_gray = new ushort[OriginalMat.Height * OriginalMat.Width];
OriginalMat.GetArray(out mat_gray);
imageMerge.ImageHeight = OriginalMat.Height / 4;
imageMerge.ImageWidth = OriginalMat.Width / 4;
gray = new ushort[imageMerge.ImageHeight * imageMerge.ImageWidth];
for (int i = 0; i < 16; i++) {
BitmapImage bmp = new BitmapImage();
Image img = new Image();
img.Source = bmp;
img.Stretch = Stretch.Uniform;
img.Width = imageMerge.ImageWidth;
img.Height = imageMerge.ImageHeight;
img.SetValue(RenderOptions.BitmapScalingModeProperty, BitmapScalingMode.NearestNeighbor);//取消抗锯齿
inside.Children.Add(img);
Images[imageMerge.ImageTotalPages] = img;
imageMerge.ImageRow = imageMerge.ImageTotalPages / imageMerge.ImageColumnPages;//该照片所在行
imageMerge.ImageColumn = imageMerge.ImageTotalPages % imageMerge.ImageColumnPages;//该照片所在列
Canvas.SetTop(img, 0 + imageMerge.ImageRow * (imageMerge.ImageHeight + imageMerge.ImageMargin.Bottom));
Canvas.SetLeft(img, 0 + imageMerge.ImageColumn * (imageMerge.ImageWidth + imageMerge.ImageMargin.Right));
imageMerge.ImageTotalPages++;
}
}
private void TaskImage(int i) {
while (true) {
Thread.Sleep(UpDateTime);
if (imageMerge.ImageTotalPages > 0) {
OpenCvSharp.Rect rect = new OpenCvSharp.Rect(imageMerge.ImageWidth * (i % 4), imageMerge.ImageHeight * (i / 4), imageMerge.ImageWidth, imageMerge.ImageHeight);//设置范围
Mat cropped_image = new Mat(OriginalMat, rect);//裁剪图像
cropped_image = cropped_image * slider_value;
this.Dispatcher.Invoke(new Action(() =>
{
Images[i].Source = MatToBitmapSource(cropped_image, ref gray);
}));
}
}
}
public MainWindow()
{
InitializeComponent();
imageMerge.ImageMargin.Left = 0;
imageMerge.ImageMargin.Right = 0;
imageMerge.ImageMargin.Top = 0;
imageMerge.ImageMargin.Bottom = 0;
imageMerge.ImageTotalPages = 0;
imageMerge.ImageRowPages = 4;//行图片张数
imageMerge.ImageColumnPages = 4;//列图片张数
List<int> list = new List<int>();
int taskCount = 16;
for (int i = 0; i < taskCount; i++) {
list.Add(i);
}
var tasks = list.Select(i => {
return Task.Run(() => TaskImage(i));
});
Task.WhenAll(tasks);
}
private void outsidewrapper_PreviewMouseDown(object sender, MouseButtonEventArgs e)
{
if (e.MiddleButton == MouseButtonState.Pressed && e.LeftButton == MouseButtonState.Released && e.RightButton == MouseButtonState.Released)
{
previousPoint = e.GetPosition(outside);
isTranslateStart = true;
}
e.Handled = true;
}
private void outsidewrapper_PreviewMouseMove(object sender, MouseEventArgs e)
{
if (e.MiddleButton == MouseButtonState.Pressed && e.LeftButton == MouseButtonState.Released && e.RightButton == MouseButtonState.Released)
{
if (isTranslateStart)
{
Point currentPoint = e.GetPosition(outside); //不能用 inside，必须用outside
System.Windows.Vector v = currentPoint - previousPoint;
TransformGroup tg = inside.RenderTransform as TransformGroup;
tg.Children.Add(new TranslateTransform(v.X, v.Y)); //centerX和centerY用外部包装元素的坐标，不能用内部被变换的Canvas元素的坐标
previousPoint = currentPoint;
}
}
else
{
//适用于静止图像
Point point2 = Mouse.GetPosition(inside);//获取Canvas坐标
UInt32 x, y;
x = (UInt32)point2.X;
y = (UInt32)point2.Y;
//xyGray.Text = $"x:{x} y:{y}";//显示坐标值
if (x >= 0 && x < OriginalMat.Width && y >= 0 && y < OriginalMat.Height)
xyGray.Text = $"x:{x} y:{y} gray:{mat_gray[y * OriginalMat.Width + x]}";
else
xyGray.Text = $"x:{x} y:{y} gray:- ";
}
e.Handled = true;
}
private void outside_PreviewMouseUp(object sender, MouseButtonEventArgs e)
{
if (e.MiddleButton == MouseButtonState.Pressed && e.LeftButton == MouseButtonState.Released && e.RightButton == MouseButtonState.Released)
{
if (isTranslateStart)
{
isTranslateStart = false;
}
}
e.Handled = true;
}
private void outside_PreviewMouseWheel(object sender, MouseWheelEventArgs e)
{
Point currentPoint = e.GetPosition(outside); //不能用 inside，必须用outside
TransformGroup tg = inside.RenderTransform as TransformGroup;
double s = ((double)e.Delta) / 1000.0 + 1.0;
if (OriginalMat.Height * tg.Value.M22 < 200 || OriginalMat.Width * tg.Value.M11 < 200)
{
if (s > 1.0)//当图像像素宽度和高度小于200的时候只能放大，不再缩小
tg.Children.Add(new ScaleTransform(s, s, currentPoint.X, currentPoint.Y));
}
else
tg.Children.Add(new ScaleTransform(s, s, currentPoint.X, currentPoint.Y));
e.Handled = true;
}
private void BtnClickLoadPic(object sender, RoutedEventArgs e)
{
OpenFileDialog openFileDialog1 = new OpenFileDialog();
//openFileDialog1.InitialDirectory = "E:\\"; //打开默认路径
openFileDialog1.Filter = "All Files|*.*|PNG Files|*.png|JPG Files|*.jpg|TIF Files|*.tif";
openFileDialog1.FilterIndex = 1;
openFileDialog1.RestoreDirectory = true;
openFileDialog1.Multiselect = true;
if (openFileDialog1.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
try
{
OpenImages(openFileDialog1.FileNames);
}
catch (Exception ex)
{
System.Windows.MessageBox.Show("Error: Could not read file from disk. Original error: " + ex.Message);
}
}
}
private void BtnClickFullScreen(object sender, RoutedEventArgs e)
{
TransformGroup tg = inside.RenderTransform as TransformGroup;
System.Windows.Media.Matrix value = new System.Windows.Media.Matrix();
value.M11 = outside.ActualWidth / OriginalMat.Width / tg.Value.M11;//缩放倍数为Border的尺寸
value.M22 = outside.ActualHeight / OriginalMat.Height / tg.Value.M22;
value.OffsetX = (0 - tg.Value.OffsetX) * value.M11;//调整偏移XY到（0，0）
value.OffsetY = (0 - tg.Value.OffsetY) * value.M22;
MatrixTransform matrixTransform = new MatrixTransform(value);//添加矩阵变换
tg.Children.Add(matrixTransform);
e.Handled = true;
}
private void BtnClickClearScreen(object sender, RoutedEventArgs e)
{
imageMerge.ImageTotalPages = 0;
inside.Children.Clear();
inside.Children.RemoveRange(0, inside.Children.Count);
}
private void ImagePanel_Drop(object sender, System.Windows.DragEventArgs e)
{
if (e.Data.GetDataPresent(DataFormats.FileDrop))
{
// Note that you can have more than one file.
string[] files = (string[])e.Data.GetData(DataFormats.FileDrop);
OpenImages(files);
}
}
private void SliderValueChanged(object sender, RoutedPropertyChangedEventArgs<double> e)
{
slider_value = (ushort)SliderGray.Value;
}
}
//图像合并
public class ImageMerge
{
public int ImageWidth;
public int ImageHeight;
public UInt32 ImageTotalPages;//图像总共张数
public UInt32 ImageSelectPage;//选中的图片
public UInt32 ImageRowPages;//一行存放照片的张数
public UInt32 ImageColumnPages;//一列存放照片的张数
public Margin ImageMargin;//相邻照片之间的边距
public UInt32 ImageRow;//照片所在行
public UInt32 ImageColumn;//照片所在列
public bool IsBusy;
}
public struct Margin
{
public UInt32 Left;
public UInt32 Right;
public UInt32 Top;
public UInt32 Bottom;
}
}
MainWindow.xaml.cs
<Window x:Class="拼图排序.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:local="clr-namespace:拼图排序"
mc:Ignorable="d"
Title="MainWindow" Height="800" Width="1000">
<Grid>
<Grid.RowDefinitions>
<RowDefinition Height="*"/>
<RowDefinition Height="40"/>
<RowDefinition Height="40"/>
</Grid.RowDefinitions>
<Border x:Name="outside" Background="Gray"
PreviewMouseDown="outsidewrapper_PreviewMouseDown"
PreviewMouseMove="outsidewrapper_PreviewMouseMove"
PreviewMouseUp="outside_PreviewMouseUp"
PreviewMouseWheel="outside_PreviewMouseWheel"
Drop="ImagePanel_Drop" AllowDrop="true"
ClipToBounds="True" ScrollViewer.HorizontalScrollBarVisibility="Visible" >
<Canvas x:Name="inside" Width="{Binding ActualWidth, RelativeSource={RelativeSource AncestorType={x:Type Border}}}"
Height="{Binding ActualHeight, RelativeSource={RelativeSource AncestorType={x:Type Border}}}" ScrollViewer.HorizontalScrollBarVisibility="Visible">
<Canvas.RenderTransform>
<TransformGroup/>
</Canvas.RenderTransform>
</Canvas>
</Border>
<Slider x:Name="SliderGray" Minimum ="1" Maximum="100" SmallChange="1" LargeChange="1" Grid.Row="1" VerticalAlignment="Center" Margin="40,0,60,0" ValueChanged="SliderValueChanged" ></Slider>
<TextBlock Text="{Binding ElementName=SliderGray,Path=Value, StringFormat=0}" Grid.Row="1" HorizontalAlignment="Right" VerticalAlignment="Center" Margin="0,0,10,0" ></TextBlock>
<TextBlock x:Name="xyGray" Grid.Row="2" HorizontalAlignment="Left" VerticalAlignment="Center" Margin="20,0,0,0" ></TextBlock>
<Button Click="BtnClickLoadPic" Grid.Row="2" HorizontalAlignment="Right" Content="加载图片" />
<Button Click="BtnClickFullScreen" Grid.Row="2" HorizontalAlignment="Right" Content=" 全屏 " Margin="0,0,60,0" />
<Button Click="BtnClickClearScreen" Grid.Row="2" HorizontalAlignment="Right" Content=" 清屏 " Margin="0,0,120,0" />
</Grid>
</Window>
MainWindow.xaml
本程序使用了OpenCvSharp第三方库
标签：Task,Windows,System,new,图像,using,WPF,public,imageMerge From： https://www.cnblogs.com/lizhiqiang0204/p/17129658.html