using System;
using System.Drawing;
using System.Runtime.InteropServices;

using Bentley.ResourceManagement;

namespace ShrlAlgo.MsAddins.Views
{
    /// <summary>
    /// CustomTool.xaml 的交互逻辑
    /// </summary>
    public partial class CustomToolSettings : Bentley.MstnPlatformNET.WPF.ToolSettingsHost
    {
        public CustomToolSettings()
        {
            InitializeComponent();
        }
        [DllImport("stdmdlbltin.dll", SetLastError = true)]
        public static extern int mdlNativeWindow_getToolSettingsWindow(out IntPtr windowPp);


        [DllImport("nativewindow.dll", SetLastError = true)]
        public static extern int mdlNativeWindow_setSize(IntPtr windowP, int width, int height);
        public override void Attach(IMatchLifetime addIn)
        {
            base.Attach(addIn);

            //   ElementHost.Width = (int)RenderSize.Width;
            //  ElementHost.Height = (int)RenderSize.Height;
            mdlNativeWindow_getToolSettingsWindow(out IntPtr windowPp);
            mdlNativeWindow_setSize(windowPp, ElementHost.Width, ElementHost.Height);
        }
        /// <summary>
        /// 根据缩放比重新调整控件大小
        /// </summary>
        public new void AdjustWidthAndHeight()
        {
            double dipScale = GetDipScale();
            Width *= dipScale;
            Height *= dipScale;
        }


        /// <summary>
        /// 获取显示器缩放比
        /// </summary>
        /// <returns></returns>
        public double GetDipScale()
        {
            Graphics g = Graphics.FromHwnd(IntPtr.Zero);
            double dipScale = 1;
            switch (g.DpiX)
            {
                case 96: dipScale = 1; break;
                case 120: dipScale = 1.25; break;
                case 144: dipScale = 1.5; break;
                case 168: dipScale = 1.75; break;
                case 192: dipScale = 2; break;
            }

            return dipScale;

        }
    }
}