C#将Color32[]转到byte[]及其反转

    public static byte[] Color32ArrayToByteArray(Color32[] colors)
    {
        if (colors == null || colors.Length == 0)
            return null;

        int lengthOfColor32 = Marshal.SizeOf(typeof(Color32));
        int length = lengthOfColor32 * colors.Length;
        byte[] bytes = new byte[length];

        GCHandle handle = default(GCHandle);
        try
        {
            handle = GCHandle.Alloc(colors, GCHandleType.Pinned);
            IntPtr ptr = handle.AddrOfPinnedObject();
            Marshal.Copy(ptr, bytes, 0, length);
        }
        finally
        {
            if (handle != default(GCHandle))
                handle.Free();
        }

        return bytes;
    }





    public static byte[] ConvertColor32ArrayToByteArray(Color32[] colors)
    {
        if (colors == null || colors.Length == 0)
            return null;

        int lengthOfColor32 = Marshal.SizeOf(typeof(Color32));
        int length = lengthOfColor32 * colors.Length;
        byte[] bytes = new byte[length];

        GCHandle handle = default(GCHandle);
        try
        {
            handle = GCHandle.Alloc(colors, GCHandleType.Pinned);
            IntPtr ptr = handle.AddrOfPinnedObject();
            Marshal.Copy(ptr, bytes, 0, length);
        }
        finally
        {
            if (handle != default(GCHandle))
                handle.Free();
        }

        return bytes;
    }


    public static Color32[] ConvertByteArrayToColor32Array(byte[] bytes)
    {
        if (bytes == null || bytes.Length == 0)
            return null;

        int length = bytes.Length;
        int lengthOfColor32 = Marshal.SizeOf(typeof(Color32));
        Color32[] colors = new Color32[length / lengthOfColor32];

        GCHandle handle = default(GCHandle);
        try
        {
            handle = GCHandle.Alloc(colors, GCHandleType.Pinned);
            IntPtr ptr = handle.AddrOfPinnedObject();
            Marshal.Copy(bytes, 0, ptr, length);
        }
        finally
        {
            if (handle != default(GCHandle))
                handle.Free();
        }

        return colors;
    }

__EOF__

本文作者：艾孜尔江
本文链接：https://www.cnblogs.com/ezhar/p/13651274.html
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