Files
stgsharp/源代码/StgSharp/Graphics/Image.cs
T

59 lines
1.3 KiB
C#

using StgSharp.Math;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading.Tasks;
namespace StgSharp.Graphics
{
public class Image
{
[StructLayout(LayoutKind.Sequential)]
internal struct ImageInfo
{
internal int width;
internal int height;
internal int channel;
internal IntPtr pixelPtr;
}
internal byte[] pixelArray;
internal ImageInfo info;
public int Width { get => info.width; }
public int Height { get => info.height; }
public int Channel { get => info.channel; }
internal Image(ImageInfo information)
{
info = information;
Marshal.Copy(
source: info.pixelPtr,
destination: pixelArray,
startIndex: 0,
length: info.width * info.height * info.channel
);
Marshal.FreeHGlobal(info.pixelPtr);
}
public unsafe Image()
{
#if NET5_0_OR_GREATER
Unsafe.SkipInit(out pixelArray);
#endif
info = new ImageInfo();
}
~Image()
{
Marshal.FreeHGlobal(info.pixelPtr);
}
}
}