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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.Threading.Tasks;
using System.Windows.Forms;
namespace Проект_моделі_Шуліка
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
double[] pt = new double[8];
int i1, j1, i2, j2, move_x, move_y;
double x1, y1, x2, y2;
bool line, circle, move_point, draw;
private void button4_Click(object sender, EventArgs e)
{
++x1;
++x2;
Axis();
if (pt[0] != 0 && pt[1] != 0 && pt[2] != 0 && pt[3] != 0)
DrawCirlce();
if (pt[4] != 0 && pt[5] != 0 && pt[6] != 0 && pt[7] != 0)
DrawEllipse();
pictureBox1.Image = (Image)myBitmap;
}
private void button3_Click(object sender, EventArgs e)
{
++y1;
++y2;
Axis();
if (pt[0] != 0 && pt[1] != 0 && pt[2] != 0 && pt[3] != 0)
DrawCirlce();
if (pt[4] != 0 && pt[5] != 0 && pt[6] != 0 && pt[7] != 0)
DrawEllipse();
pictureBox1.Image = (Image)myBitmap;
}
private void button2_Click(object sender, EventArgs e)
{
--x1;
--x2;
Axis();
if (pt[0] != 0 && pt[1] != 0 && pt[2] != 0 && pt[3] != 0)
DrawCirlce();
if (pt[4] != 0 && pt[5] != 0 && pt[6] != 0 && pt[7] != 0)
DrawEllipse();
pictureBox1.Image = (Image)myBitmap;
}
private void button5_Click(object sender, EventArgs e)
{
--y1;
--y2;
Axis();
if (pt[0] != 0 && pt[1] != 0 && pt[2] != 0 && pt[3] != 0)
DrawCirlce();
if (pt[4] != 0 && pt[5] != 0 && pt[6] != 0 && pt[7] != 0)
DrawEllipse();
pictureBox1.Image = (Image)myBitmap;
}
private void button6_Click(object sender, EventArgs e)
{
if (x2 - x1 <= 2 && y2 - y1 <= 2)
return;
--y1;
++y2;
++x1;
--x2;
Axis();
if (pt[0] != 0 && pt[1] != 0 && pt[2] != 0 && pt[3] != 0)
DrawCirlce();
if (pt[4] != 0 && pt[5] != 0 && pt[6] != 0 && pt[7] != 0)
DrawEllipse();
pictureBox1.Image = (Image)myBitmap;
}
private void button7_Click(object sender, EventArgs e)
{
++y1;
--y2;
--x1;
++x2;
Axis();
if (pt[0] != 0 && pt[1] != 0 && pt[2] != 0 && pt[3] != 0)
DrawCirlce();
if (pt[4] != 0 && pt[5] != 0 && pt[6] != 0 && pt[7] != 0)
DrawEllipse();
pictureBox1.Image = (Image)myBitmap;
}
private void pictureBox1_MouseDown(object sender, MouseEventArgs e)
{
move_point = false;
if (pt[0] != 0 && pt[1] != 0 && pt[2] != 0 && pt[3] != 0)
line = true;
if (pt[4] != 0 && pt[5] != 0 && pt[6] != 0 && pt[7] != 0)
circle = true;
if (!line)
{
pt[0] = ItoX(e.Location.X);
pt[1] = JtoY(e.Location.Y);
}
else if (!circle && line)
{
pt[4] = ItoX(e.Location.X);
pt[5] = JtoY(e.Location.Y);
}
double num1 = ItoX(e.Location.X);
double num2 = JtoY(e.Location.Y);
//for (int i = 0; i < ((IEnumerable<double>)pt).Count<double>() - 1; i += 2)
//{
// if (pt[i] < num1 + 0.2 && pt[i] > num1 - 0.2 && (pt[i + 1] < num2 + 0.2 && pt[i + 1] > num2 - 0.2) && (line || circle))
// {
// move_point = true;
// move_x = i;
// move_y = i + 1;
// }
//}
}
private void pictureBox1_MouseMove(object sender, MouseEventArgs e)
{
Point location = e.Location;
if (e.Button != MouseButtons.Left)
return;
if (move_point && draw && line && circle)
{
g.Clear(Color.White);
Axis();
pt[move_x] = ItoX(e.Location.X);
pt[move_y] = JtoY(e.Location.Y);
DrawEllipse();
DrawCirlce();
pictureBox1.Image = (Image)myBitmap;
}
else if (!line)
{
Axis();
pt[2] = ItoX(e.Location.X);
pt[3] = JtoY(e.Location.Y);
Pen pen = new Pen(Brushes.Black, 2f);
DrawCirlce();
double num = Math.Round(Math.Sqrt((pt[2] - pt[0]) * (pt[2] - pt[0]) + (pt[3] - pt[1]) * (pt[3] - pt[1])), 2);
DrawEllipse();
pictureBox1.Image = (Image)myBitmap;
draw = true;
}
else if (!circle)
{
g.Clear(Color.White);
Axis();
pt[6] = ItoX(e.Location.X);
pt[7] = JtoY(e.Location.Y);
Pen pen = new Pen(Brushes.Black, 2f);
DrawCirlce();
double num = Math.Round(Math.Sqrt((pt[6] - pt[4]) * (pt[6] - pt[4]) + (pt[7] - pt[5]) * (pt[7] - pt[5])), 2);
DrawEllipse();
pictureBox1.Image = (Image)myBitmap;
draw = true;
}
}
private void button8_Click(object sender, EventArgs e)
{
listBox1.Items.Add(pt[0]);
listBox1.Items.Add(pt[1]);
listBox1.Items.Add(pt[2]);
listBox1.Items.Add(pt[3]);
listBox1.Items.Add(pt[4]);
listBox1.Items.Add(pt[5]);
listBox1.Items.Add(pt[6]);
listBox1.Items.Add(pt[7]);
}
private void button1_Click(object sender, EventArgs e)
{
Axis();
if (pt[0] != 0 && pt[1] != 0 && pt[2] != 0 && pt[3] != 0)
DrawCirlce();
if (pt[4] != 0 && pt[5] != 0 && pt[6] != 0 && pt[7] != 0)
DrawEllipse();
pictureBox1.Image = (Image)myBitmap;
}
Bitmap myBitmap;
Graphics g;
int XtoI(double x)
{
return i1 + (int)((x - x1) * (double)(i2 - i1) / (x2 - x1));
}
int YtoJ(double y)
{
return j1 + (int)((y - y1) * (double)(j2 - j1) / (y2 - y1));
}
double ItoX(int i)
{
return Math.Round(x1 + (double)(i - i1) * (x2 - x1) / (double)(i2 - i1), 2);
}
double JtoY(int j)
{
return Math.Round(y1 + (double)(j - j1) * (y2 - y1) / (double)(j2 - j1), 2);
}
private void Form1_Load(object sender, EventArgs e)
{
myBitmap = new Bitmap(pictureBox1.Width, pictureBox1.Height);
g = Graphics.FromImage((Image)myBitmap);
i1 = 0;
j1 = 0;
i2 = pictureBox1.Width;
j2 = pictureBox1.Height;
x1 = -10;
y1 = 10;
x2 = 10;
y2 = -10;
Axis();
line = false;
circle = false;
move_point = false;
draw = false;
pictureBox1.Image = (Image)myBitmap;
}
private void Axis()
{
myBitmap = new Bitmap(pictureBox1.Width, pictureBox1.Height);
g = Graphics.FromImage((Image)myBitmap);
g.Clear(Color.White);
Pen pen = new Pen(Brushes.Black, 3f);
Font font = x2 - x1 <= 30 ? (x2 - x1 <= 20 ? new Font("Century Gothic", 11f, FontStyle.Bold, GraphicsUnit.Pixel) : new Font("Century Gothic", 9f, FontStyle.Bold, GraphicsUnit.Pixel)) : new Font("Century Gothic", 8f, FontStyle.Bold, GraphicsUnit.Pixel);
g.DrawLine(pen, XtoI(0), YtoJ(y1), XtoI(0), YtoJ(y2));
g.DrawLine(pen, XtoI(x1), YtoJ(0), XtoI(x2), YtoJ(0));
for (int i = 0; (double)i <= x2 - x1; ++i)
{
if (x1 + (double)i != 0)
{
g.DrawLine(pen, XtoI(x1 + (double)i), YtoJ(0.15), XtoI(x1 + (double)i), YtoJ(-0.15));
g.DrawString((x1 + (double)i).ToString(), font, (Brush)new SolidBrush(Color.Black), (float)(XtoI(x1 + (double)i) - 3), (float)(YtoJ(-0.15) + 5));
}
}
for (int i = 0; (double)i <= y1 - y2; ++i)
{
if (y2 + (double)i != 0)
{
g.DrawLine(pen, XtoI(0.15), YtoJ(y2 + (double)i), XtoI(-0.15), YtoJ(y2 + (double)i));
g.DrawString((y2 + (double)i).ToString(), font, (Brush)new SolidBrush(Color.Black), (float)(XtoI(-0.15) - 20), (float)(YtoJ(y2 + (double)i) - 5));
}
}
pictureBox1.Image = (Image)myBitmap;
}
private void DrawCirlce()
{
Pen pen = new Pen(Brushes.Red, 2f);
int num = (int)Math.Round(Math.Sqrt((double)((XtoI(pt[2]) - XtoI(pt[0])) * (XtoI(pt[2]) - XtoI(pt[0])) + (YtoJ(pt[3]) - YtoJ(pt[1])) * (YtoJ(pt[3]) - YtoJ(pt[1])))), 2);
g.DrawEllipse(pen, XtoI(pt[0]) - num, YtoJ(pt[1]) - num, 2 * num, 2 * num);
g.FillEllipse(Brushes.Black, XtoI(pt[0]) - 3, YtoJ(pt[1]) - 3, 6, 6);
g.FillEllipse(Brushes.Black, XtoI(pt[2]) - 3, YtoJ(pt[3]) - 3, 6, 6);
}
private void DrawEllipse()
{
Pen pen = new Pen(Brushes.Blue);
int num = (int)Math.Round(Math.Sqrt((double)((XtoI(pt[6]) - XtoI(pt[4])) * (XtoI(pt[6]) - XtoI(pt[4])) + (YtoJ(pt[7]) - YtoJ(pt[5])) * (YtoJ(pt[7]) - YtoJ(pt[5])))), 2);
g.DrawEllipse(pen, XtoI(pt[4]) - num, YtoJ(pt[5]) - num, 2 * num, 2 * num);
g.FillEllipse(Brushes.Black, XtoI(pt[4]) - 3, YtoJ(pt[5]) - 3, 6, 6);
g.FillEllipse(Brushes.Black, XtoI(pt[6]) - 3, YtoJ(pt[7]) - 3, 6, 6);
}
}
} |
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