Question

private void button4_Click(object sender, EventArgs e)
{
    string originalPathFile = @"C:\Users\user\Downloads\CaptchaCollection\Small\Sorting\";
    string newPathFile = @"C:\Users\user\Downloads\CaptchaCollection\Small\Sorted\";


    bool endInner = false;
    int count2 = 1;
    while (!endInner)
    {
        var files = Directory.GetFiles(originalPathFile).Select(nameWithExtension => Path.GetFileNameWithoutExtension(nameWithExtension)).Where(name => { int number; return int.TryParse(name, out number); }).Select(name => int.Parse(name)).OrderBy(number => number).ToArray();

        Bitmap im1 = new Bitmap(originalPathFile + files[0].ToString() + ".png");
        Bitmap im2 = new Bitmap(originalPathFile + files[count2].ToString() + ".png");

        if (compare(im1, im2))
        {
            // if it's equal
            File.Move(originalPathFile + files[count2].ToString() + ".png", newPathFile + files[count2].ToString() + ".png");
            MessageBox.Show(files[count2].ToString() + " was removed");
        }

        if (count2 >= files.Length - 1) // checks if reached last file in directory
        {
            endInner = true;
        }

        count2++;
    }
}

这是我的按钮，它将移动所有可视化复制的图像，比较第一个索引（将嵌套的图像转到下一个图像，以后再过）。我创建了2个路径文件字符串。然后我使用while循环来检查我的计数是否已达到目录中的文件数量。之后它将结束循环。

private bool compare(Bitmap bmp1, Bitmap bmp2)
{
    bool equals = true;
    Rectangle rect = new Rectangle(0, 0, bmp1.Width, bmp1.Height);
    BitmapData bmpData1 = bmp1.LockBits(rect, ImageLockMode.ReadOnly, bmp1.PixelFormat);
    BitmapData bmpData2 = bmp2.LockBits(rect, ImageLockMode.ReadOnly, bmp2.PixelFormat);
    unsafe
    {
        byte* ptr1 = (byte*)bmpData1.Scan0.ToPointer();
        byte* ptr2 = (byte*)bmpData2.Scan0.ToPointer();
        int width = rect.Width * 3; // for 24bpp pixel data
        for (int y = 0; equals && y < rect.Height; y++)
        {
            for (int x = 0; x < width; x++)
            {
                if (*ptr1 != *ptr2)
                {
                    equals = false;
                    break;
                }
                ptr1++;
                ptr2++;
            }
            ptr1 += bmpData1.Stride - width;
            ptr2 += bmpData2.Stride - width;
        }
    }
    bmp1.UnlockBits(bmpData1);
    bmp2.UnlockBits(bmpData2);

    return equals;
}

此方法可视地检查图像是否重复。如果是，则返回true。

我得到了这个例外：

The process cannot access the file because it is being used by another process.

它出现在这一行：

File.Move(originalPathFile + files[count2].ToString() + ".png", newPathFile + files[count2].ToString() + ".png");

Answer 1

使用new Bitmap(fileName)打开文件时，由于文件正在使用，因此无法移动文件。所以首先处理该对象，然后尝试移动文件。你也可以使用以下approch，你可以发送文件名而不是Bitmap，并在比较函数使用时使用keywork自动处理对象。

compare(originalPathFile + files[0].ToString() + ".png", originalPathFile + files[count2].ToString() + ".png")


private bool compare(String bmp1Path, String bmp2Path)
{
    bool equals = true;
    Rectangle rect = new Rectangle(0, 0, bmp1.Width, bmp1.Height);

using(Bitmap im1 = new Bitmap(bmp1Path)
{
using(Bitmap im2 = new Bitmap(bmp2Path)
{

BitmapData bmpData1 = bmp1.LockBits(rect, ImageLockMode.ReadOnly, bmp1.PixelFormat);
BitmapData bmpData2 = bmp2.LockBits(rect, ImageLockMode.ReadOnly, bmp2.PixelFormat);
unsafe
{
    byte* ptr1 = (byte*)bmpData1.Scan0.ToPointer();
    byte* ptr2 = (byte*)bmpData2.Scan0.ToPointer();
    int width = rect.Width * 3; // for 24bpp pixel data
    for (int y = 0; equals && y < rect.Height; y++)
    {
        for (int x = 0; x < width; x++)
        {
            if (*ptr1 != *ptr2)
            {
                equals = false;
                break;
            }
            ptr1++;
            ptr2++;
        }
        ptr1 += bmpData1.Stride - width;
        ptr2 += bmpData2.Stride - width;
    }
}
bmp1.UnlockBits(bmpData1);
bmp2.UnlockBits(bmpData2);
}
}
return equals;

}

为什么我的图像被视为开放？

1 个答案: