NetAutoGUI.Windows/WindowsScreenshotController.cs

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using NetAutoGUI.Internals;
using System.Drawing;
using System.Drawing.Imaging;
using System.IO;
using System.Runtime.Versioning;
using System.Threading;
using System.Windows.Forms;
using Vanara.PInvoke;

namespace NetAutoGUI.Windows
{
    [SupportedOSPlatform("windows")]
    internal class WindowsScreenshotController : AbstractScreenshotController
	{
		public override BitmapData Screenshot(Rectangle? region = null, uint screenIndex = 0)
		{
			Screen screen = Screen.AllScreens[screenIndex];
			if (region == null)
			{
				region = ScreenshotHelper.ToAutoRect(screen.Bounds);
			}
			using Bitmap bitmap = new Bitmap(region.Width, region.Height);
			using Graphics g = Graphics.FromImage(bitmap);
			g.CopyFromScreen(region.X, region.Y, 0, 0, new(region.Width, region.Height));
			return ToBitmapData(bitmap);
		}

		private static BitmapData ToBitmapData(Bitmap bitmap)
		{
			using MemoryStream memSteam = new MemoryStream();
			bitmap.Save(memSteam, ImageFormat.Bmp);
			memSteam.Position = 0;
			byte[] data = memSteam.ToArray();
			return new BitmapData(data, bitmap.Width, bitmap.Height);
		}

		protected override BitmapData LoadImageFromFile(string imageFile)
		{
			using var image = Image.FromFile(imageFile);
			using Bitmap bitmap = new Bitmap(image);
			return ToBitmapData(bitmap);
        }

		private static PRECT ToPRECT(Rectangle r)
		{
			return new PRECT(r.X, r.Y, r.X + r.Width, r.Y + r.Height);
		}

		public override void Highlight(double waitSeconds = 0.5, params Rectangle[] rectangles)
		{
			HDC hDC_Desktop = User32.GetDC(HWND.NULL);
			foreach (var rect in rectangles)
			{
				HBRUSH blueBrush = User32.GetSysColorBrush(SystemColorIndex.COLOR_ACTIVEBORDER);
				User32.FillRect(hDC_Desktop, new RECT(rect.X, rect.Y, rect.X + rect.Width, rect.Y + rect.Height), blueBrush);
			}
			Thread.Sleep((int)(waitSeconds * 1000));
			foreach (var rect in rectangles)
			{
				User32.InvalidateRect(HWND.NULL, ToPRECT(rect), true);