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| using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace final_graphic
{
public partial class Form1 : Form
{
uint mouse_X ;
uint mouse_Y ;
int SegSelected = -1;
public Segment[] SegmentArray;
public Form1()
{
InitializeComponent();
SegmentArray = new Segment[5];
for (int i = 0; i < SegmentArray.Length; i++)
{
SegmentArray[i] = new Segment(1, 1);
}
SegmentArray[0].H = 20;
SegmentArray[0].L = 50;
SegmentArray[1].H = 50;
SegmentArray[1].L = 50;
SegmentArray[2].H = 90;
SegmentArray[2].L = 50;
SegmentArray[3].H = 70;
SegmentArray[3].L = 50;
SegmentArray[4].H = 30;
SegmentArray[4].L = 50;
}
//********************* creation of the rectangle ********************//
private void draw_background(Graphics g)
{
Pen BorderPen = new Pen(Color.Black, 2);
Pen MiddlePen = new Pen(Color.Gray, 1);
MiddlePen.DashStyle = System.Drawing.Drawing2D.DashStyle.Dash;
g.DrawRectangle(BorderPen, 10, 10, 400, 300);
g.DrawLine(MiddlePen, 10, 160, 410, 160);
}
//********************************************************************//
//***************** creation of graph with segment ********************//
private void draw_segment(Graphics g, Segment[] list)
{
uint start_X = 10;
uint start_Y = 10;
uint prev_Y = list[0].H + start_Y;
uint prev_X = list[0].L + start_X;
Pen SegPen = new Pen(Color.Black, 1);
Pen SegSelectedPen = new Pen(Color.Pink, 1);
for (int i = 0; i < list.Length; i++)
{
g.DrawLine(SegPen, start_X, prev_Y, start_X, start_Y + list[i].H); // vertical connection lines
if (i == SegSelected)
{
g.DrawLine(SegSelectedPen, start_X, start_Y + list[i].H, start_X + list[i].L, start_Y + list[i].H);
}
else
{
g.DrawLine(SegPen, start_X, start_Y + list[i].H, start_X + list[i].L, start_Y + list[i].H);
}
start_X += list[i].L;
prev_Y = start_Y + list[i].H;
prev_X = start_X + list[i].L;
}
}
//*********************************************************************//
//*********************** find the nearest segment ********************//
private void find_nearest_segment(int X, int Y)
{
uint start_X = 10;
if ((X < 10) || (X > 390) || (Y < 20) || (Y > 300))
{
SegSelected = -1;
return;
}
int i = 0;
while (i < SegmentArray.Length)
{
if (X < start_X + SegmentArray[i].L)
{
SegSelected = i;
return;
}
start_X += SegmentArray[i].L;
i++;
}
}
//*********************************************************************//
//*************** call all function for drawing grpah *****************//
protected override void OnPaint(PaintEventArgs e)
{
draw_background(e.Graphics);
draw_segment(e.Graphics, SegmentArray);
}
//*********************************************************************//
private void Form1_MouseMove(object sender, MouseEventArgs e)
{
mouse_X = (uint)e.X;
mouse_Y = (uint)e.Y;
find_nearest_segment(e.X, e.Y);
if (e.Button == MouseButtons.Left)
{
if (SegSelected != -1)
{
SegmentArray[SegSelected].H = mouse_Y-10;
}
}
Invalidate();
}
private void Form1_MouseDown(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
{
if (SegSelected != -1)
{
SegmentArray[SegSelected].H = mouse_Y - 10;
}
}
Invalidate();
}
}
} |
