[TEECHART/WINFORM] ChartImage 클래스 : 시리즈 배경 이미지 사용하기

TestProject.zip

3.97MB

▶ MainForm.cs

using System;
using System.Drawing;
using System.Windows.Forms;

using Steema.TeeChart.Drawing;
using Steema.TeeChart.Styles;
using Steema.TeeChart.Tools;

namespace TestProject
{
    /// <summary>
    /// 메인 폼
    /// </summary>
    public partial class MainForm : Form
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Field
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region Field

        /// <summary>
        /// 등고선 지도
        /// </summary>
        private Contour contour;

        /// <summary>
        /// 포인트 시리즈
        /// </summary>
        private Points points;

        /// <summary>
        /// 차트 이미지
        /// </summary>
        private ChartImage chartImage;

        /// <summary>
        /// 이전 확대/축소
        /// </summary>
        private int previousZoom = -1;

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - MainForm()

        /// <summary>
        /// 생성자
        /// </summary>
        public MainForm()
        {
            InitializeComponent();

            this.zoomHScrollBar.Maximum = 200;
            this.zoomHScrollBar.Value   = 100;
            this.zoomHScrollBar.Minimum = 50;

            Text = "ChartImage 클래스 : 시리즈 배경 이미지 사용하기";

            this.tChart.Panel.Pen = new ChartPen(Color.Black);

            this.contour = new Contour(this.tChart.Chart);

            this.contour.ColorEach   = true;
            this.contour.Brush.Color = Color.Red;

            this.contour.FillSampleValues(20);

            this.points = new Points(this.tChart.Chart);

            this.points.ColorEach = true;

            Random random = new Random();

            for(int i = 0; i < 50; i++)
            {
                this.points.Add(1.0 + random.Next(20), 1.0 + random.Next(20));
            }

            this.points.Pointer.InflateMargins = false;

            this.chartImage = new ChartImage(this.tChart.Chart);

            this.chartImage.Series = this.contour;
            this.chartImage.Image  = Properties.Resources.background;

            this.zoomHScrollBar.ValueChanged += zoomHScrollBar_ValueChanged;
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region 확대/축소 수평 스크롤바 값 변경시 처리하기 - zoomHScrollBar_ValueChanged(sender, e)

        /// <summary>
        /// 확대/축소 수평 스크롤바 값 변경시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void zoomHScrollBar_ValueChanged(object sender, EventArgs e)
        {
            if(this.zoomHScrollBar.Value > this.previousZoom)
            {
                this.tChart.Zoom.ZoomPercent(105);
            }
            else if(this.zoomHScrollBar.Value < this.previousZoom)
            {
                this.tChart.Zoom.ZoomPercent(95);
            }

            this.previousZoom = this.zoomHScrollBar.Value;
        }

        #endregion
    }
}