using System;
using System.Collections.Generic;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Linq;
using System.Text;
using Eventech.Utils.Images;

namespace TProduct.PumpGraph.Picture
{
    public partial class LxpSeriesChart
    {
        #region 坐标
        protected Eventech.Model.QhCoordinateParas _coordinateParas = null;
        public void SetCoordinate(string strChartCoord)
        {
            SetCoordinate(Eventech.Model.QhCoordinateParas.ToParameter(strChartCoord));
        }
        public void SetCoordinate(Eventech.Model.QhCoordinateParas coordinateParas)
        {
            this._coordinateParas = coordinateParas;
        }
        #endregion


        #region 显示设置

        protected bool _isDispAxisTitle = true;

        //刻度线颜色
        protected Color _axisTitleLineColor = Color.FromArgb(120, Color.Black);

        //网格线Y颜色
        protected Color _gridLineColor = Color.FromArgb(60, Color.Black);
        public Color GridLineColor
        {
            get { return _gridLineColor; }
            set { _gridLineColor = value; }
        }

        /// <summary>
        /// 
        /// </summary>
        protected float _gridLineWidth = 1f;
        public float GridLineWidthY
        {
            get { return _gridLineWidth; }
            set { _gridLineWidth = value; }
        }

        /// <summary>
        /// 
        /// </summary>
        protected Color _axisLabelColor = Color.Black;
        public Color AxisLabelColor
        {
            get { return _axisLabelColor; }
            set { _axisLabelColor = value; }
        }



        /// <summary>
        /// 长刻度线的长度
        /// </summary>
        public float AxisMajorTickLength
        {
            get { return _axisMajorTickLength; }
            set { _axisMajorTickLength = value; }
        }
        protected float _axisMajorTickLength = 10;

        /// <summary>
        /// 
        /// </summary>
        private float _axisLabelSizeQ = 12f;
        public float AxisLabelSizeQ
        {
            get { return _axisLabelSizeQ; }
            set { _axisLabelSizeQ = value; }
        }

        /// <summary>
        /// 
        /// </summary>
        private float _axisLabelSize = 12f;
        public float AxisLabelSizeH
        {
            get { return _axisLabelSize; }
            set { _axisLabelSize = value; }
        }


        protected float _axisTitleDistanceH = 55;//文字离X轴的距离
        protected float _axisTitleDistanceQ = 75;//文字离Y轴的距离

        protected float _axisLabelDistanceH = 10;//文字离X轴的距离
        protected float _axisLabelDistanceQ = 35;//文字离Y轴的距离

        private float _axisTitleTextSizeQ = 16f;
        private float _axisTitleTextSizeH = 16f;

        private Color _axisTitleTextColorQ = Color.Black;
        private Color _axisTitleTextColorH = Color.Black;



        #endregion


        protected void DrawDiagram()
        {
            DrawGridLineQ();

            DrawGridLineH();

            using (System.Drawing.Pen pen = new System.Drawing.Pen(_axisTitleLineColor, 1.5f))
                _graphics.DrawRectangle(pen, this._chartDiagramSize.X, _chartDiagramSize.Y, _chartDiagramSize.Width, _chartDiagramSize.Height);
        }


        /// <summary>
        /// 绘制流量曲线网格(竖直)
        /// </summary>
        protected void DrawGridLineQ()
        {
            using (var brush = new System.Drawing.SolidBrush(_axisLabelColor))
            using (var font = new System.Drawing.Font("Arial", _axisLabelSize, System.Drawing.FontStyle.Regular))
            using (var grid_pen = new System.Drawing.Pen(_gridLineColor, _gridLineWidth))
            using (var tick_pen = new System.Drawing.Pen(_axisTitleLineColor, 1.5f))
            {
                float[] dashValues = { 7, 3 };
                grid_pen.DashPattern = dashValues;
                for (int i = 0; i < _coordinateParas.AxisLabelQ.Count; i++)
                {
                    double Q = _coordinateParas.AxisLabelQ[i];
                    string content = Math.Round(Eventech.Common.UnitQHelper.fromM3H(_coordinateParas.UnitQ, Q), 2).ToString();

                    float px = MapRealToPictQ(Q);  
                    if (float.IsNaN(px)){ //do 
                        return;
                    } 
                    PointF pt0 = new PointF();
                    pt0.X = px;
                    pt0.Y = _chartDiagramSize.Bottom ;

                    PointF pt1 = new PointF();
                    pt1.X = px;
                    pt1.Y = _chartDiagramSize.Top;

                    PointF pt2 = new PointF();
                    pt2.X = px;
                    pt2.Y = _chartDiagramSize.Bottom + _axisMajorTickLength;

                    _graphics.DrawLine(grid_pen, pt0, pt1);
                    _graphics.DrawLine(tick_pen, pt0, pt2);

                    //刻度值       
                    PointF pt = new PointF();
                    pt.X = pt1.X;
                    pt.Y = _chartDiagramSize.Bottom + _axisLabelDistanceQ;

                    _graphics.DrawString(content, pt, font, _axisLabelColor, StringAlignment.Center, StringAlignment.Far, 0);
                }
            }
        }


        /// <summary>
        /// 绘制扬程曲线网格(水平)
        /// </summary>
        protected void DrawGridLineH()
        {
            using (var brush = new System.Drawing.SolidBrush(_axisLabelColor))
            using (var font = new System.Drawing.Font("Arial", _axisLabelSize, System.Drawing.FontStyle.Regular))
            using (var grid_pen = new System.Drawing.Pen(_gridLineColor, _gridLineWidth))
            using (var tick_pen = new System.Drawing.Pen(_axisTitleLineColor,1.5f))
            {
                float[] dashValues = { 7, 3 };
                grid_pen.DashPattern = dashValues;

                for (int i = 0; i < _coordinateParas.AxisLabelH.Count; i++)
                {
                    double h = _coordinateParas.AxisLabelH[i];
                    string content = Math.Round(Eventech.Common.UnitHHelper.fromM(_coordinateParas.UnitH, h), 2).ToString();

                    var py = MapRealToPictH(h);

                    PointF pt0 = new PointF();
                    pt0.X = _chartDiagramSize.Left  ;
                    pt0.Y = py;

                    PointF pt1 = new PointF();
                    pt1.X = _chartDiagramSize.Left - _axisMajorTickLength;
                    pt1.Y = py;

                    PointF pt2 = new PointF();
                    pt2.X = _chartDiagramSize.Right;
                    pt2.Y = py;

                    _graphics.DrawLine(grid_pen, pt0, pt2);
                    _graphics.DrawLine(tick_pen, pt0, pt1);

                    //刻度值       
                    PointF pt = new PointF();
                    pt.X = _chartDiagramSize.Left - _axisLabelDistanceH;
                    pt.Y = pt1.Y;
                    _graphics.DrawString(content, pt, font, _axisLabelColor, StringAlignment.Far, StringAlignment.Center, 0);
                }
            }
        }


        /// <summary>
        /// 画X坐标说明 
        /// </summary>
        protected void DrawAxisTitleQ()
        {
            string title = string.Format("{0}({1})", "Q", Eventech.Common.UnitQHelper.GetEnUnitName(this._coordinateParas.UnitQ));
            PointF pt = new PointF();
            pt.X = _chartDiagramSize.X + _chartDiagramSize.Width / 2 - 5;
            pt.Y = _chartDiagramSize.Bottom + _axisTitleDistanceQ;

            using (var font = new System.Drawing.Font("Arial", _axisTitleTextSizeQ, System.Drawing.FontStyle.Regular))
            {
                _graphics.DrawString(title, pt, font, _axisTitleTextColorQ, StringAlignment.Near, StringAlignment.Far, 0);
            }
        }




        /// <summary>
        /// /
        /// </summary>
        protected void DrawAxisTitleH()
        {
            string title = string.Format("{0}({1})", "H", Eventech.Common.UnitHHelper.GetEnUnitName(this._coordinateParas.UnitH));
            PointF pt = new PointF();
            pt.X = (float)(_chartDiagramSize.X - _axisTitleDistanceH);
            pt.Y = _chartDiagramSize.Y + _chartDiagramSize.Height / 2;

            using (var font = new Font("Arial", _axisTitleTextSizeH))
            {
                _graphics.DrawString(title, pt, font, _axisTitleTextColorQ, StringAlignment.Far, StringAlignment.Center, -90);
            }
            _graphics.ResetTransform();
        }

 

    }
}