/// <summary>
/// 利用 GetScreenData 截图，并体现在 pictureBox 上
/// </summary>
/// <param name="dm">大漠对象</param>
/// <param name="x1">截图左上角X</param>
/// <param name="y1">截图左上角Y</param>
/// <param name="x2">截图右下角X</param>
/// <param name="y2">截图右下角Y</param>
/// <returns></returns>
public static Bitmap GetBitMap(this DmPlugin dm, int x1, int y1, int x2, int y2)
{
int bmpdata = dm.GetScreenData(x1, y1, x2, y2);
Logger.Info(bmpdata);
int width = x2 - x1;
int size = (x2 - x1) * (y2 - y1);
Bitmap bmp = new Bitmap(x2 - x1, y2 - y1);
Color c;
for (int i = 0; i < size; i++)
{
int bb = System.Runtime.InteropServices.Marshal.ReadByte((IntPtr)(bmpdata + i * 4));
int gg = System.Runtime.InteropServices.Marshal.ReadByte((IntPtr)(bmpdata + i * 4 + 1));
int rr = System.Runtime.InteropServices.Marshal.ReadByte((IntPtr)(bmpdata + i * 4 + 2));
c = Color.FromArgb(rr, gg, bb);
//备用方案 上述方案生成不成功选用下面的
//int cc = System.Runtime.InteropServices.Marshal.ReadInt32((IntPtr)(bmpdata + i * 4));
//c = Color.FromArgb(cc);
bmp.SetPixel(i % width, i / width, c);
}
// System.Runtime.InteropServices.Marshal.FreeHGlobal((IntPtr)bmpdata);
return(bmp);
}