using System.Drawing;

namespace Dongke.IBOSS.Basics.FlowSetting
{
    internal static class Consts
    {
        #region 画布
        /// <summary>
        /// Canvas余白(Pixel)
        /// </summary>
        public const int CANVAS_MARGIN = 4;
        /// <summary>
        /// 画布默认尺寸
        /// </summary>
        public static readonly Size CANVAS_SIZE_DEFAULT = new Size(800, 600);
        /// <summary>
        /// 画布最小尺寸
        /// </summary>
        public static readonly Size CANVAS_SIZE_MIN = new Size(100, 100);
        /// <summary>
        /// 默认字体
        /// </summary>
        public static readonly Font FONT_DEFAULT = new Font("宋体", 10);
        /// <summary>
        /// 默认字体颜色
        /// </summary>
        public static readonly Color FONT_COLOR_DEFAULT = Color.Black;
        #endregion 画布

        #region 节点
        /// <summary>
        /// 节点默认位置和尺寸
        /// </summary>
        public static readonly Rectangle NODE_BOUNDS_DEFAULT = new Rectangle(10, 10, 50, 50);
        /// <summary>
        /// 节点最小尺寸
        /// </summary>
        public static readonly Size NODE_SIZE_MIN = new Size(10, 10);
        /// <summary>
        /// 节点默认填充颜色
        /// </summary>
        public static readonly Color? NODE_FILLCOLOR_DEFAULT = null;//Color.Transparent;
        /// <summary>
        /// 节点默认边框颜色
        /// </summary>
        public static readonly Color NODE_BORDERCOLOR_DEFAULT = Color.Black;
        /// <summary>
        /// 节点默认边框宽度
        /// </summary>
        public const int NODE_BORDERWIDTH_DEFAULT = 0;
        /// <summary>
        /// 文字同节点的间隔
        /// </summary>
        public const int NODE_STRING_MARGIN = 3;
        #endregion 节点

        #region 线段
        /// <summary>
        /// 线的默认颜色
        /// </summary>
        public static readonly Color LINE_COLOR_DEFAULT = Color.Black;
        /// <summary>
        /// 线的默认宽度
        /// </summary>
        public const int LINE_WIDTH_DEFAULT = 1;
        /// <summary>
        /// 线段默认位置1
        /// </summary>
        public static readonly Point LINE_POINT_Begin_DEFAULT = new Point(10, 10);
        /// <summary>
        /// 线段默认位置2
        /// </summary>
        public static readonly Point LINE_POINT_END_DEFAULT = new Point(50, 50);
        #endregion 线段

        #region 选择状态
        /// <summary>
        /// double误差精度
        /// </summary>
        public const double DOUBLE_PRECISION = 0.00001;
        /// <summary>
        /// 点选线段的范围（Pixel）
        /// </summary>
        public const double P2L_PRECISION = 3;
        /// <summary>
        /// 选择状态，鼠标操作点的宽度
        /// </summary>
        public const int SELECTEDSTYLE_WIDTH = 6;
        /// <summary>
        /// 选择状态，鼠标操作点的宽度的一半
        /// </summary>
        public const int SELECTEDSTYLE_WIDTH_HALF = 3;
        /// <summary>
        /// 绘制选择状态边框的笔
        /// </summary>
        public static readonly Pen SELECT_POINT_PEN = Pens.Black;
        /// <summary>
        /// 绘制选择状态内部的笔刷
        /// </summary>
        public static readonly Brush SELECT_POINT_BRUSH = Brushes.White;
        /// <summary>
        /// 绘制选择状态线段连接到节点的笔刷
        /// </summary>
        public static readonly Brush SELECT_POINT_BRUSH_LINE_TO_NODE = Brushes.Red;
        /// <summary>
        /// 线段连接到节点的提示锚点范围（Pixel）
        /// </summary>
        public const int L2N_PRECISION_EDGE = 4;
        /// <summary>
        /// 线段端点自动停靠到锚点的范围（Pixel）
        /// </summary>
        public const int P2NR_PRECISION = 4;

        #endregion 选择状态


    }
}