using Dinah.Core.WindowsDesktop.Drawing;
using LibationFileManager;
using System.Drawing;
using System.Windows.Forms;

namespace LibationWinForms
{
	internal static class WinFormsUtil
	{
		private const float BaseDpi = 96;

		private static Bitmap defaultImage;
		public static Image TryLoadImageOrDefault(byte[] picture, PictureSize defaultSize = PictureSize.Native)
		{
			try
			{
				return ImageReader.ToImage(picture);
			}
			catch
			{
				using var ms = new System.IO.MemoryStream(PictureStorage.GetDefaultImage(defaultSize));
				return defaultImage ??= new Bitmap(ms);
			}
		}

		public static int DpiScale(this Control control, int value, float additionalScaleFactor = 1)
			=> (int)float.Round(control.DeviceDpi / BaseDpi * value * additionalScaleFactor);

		public static int DpiUnscale(this Control control, int value)
			=> (int)float.Round(BaseDpi / control.DeviceDpi * value);

		public static int ScaleX(this Graphics control, int value)
			=> (int)float.Round(control.DpiX / BaseDpi * value);
		public static int ScaleY(this Graphics control, int value)
			=> (int)float.Round(control.DpiY / BaseDpi * value);
	}
}