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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;
using System.Drawing.Drawing2D;
namespace WinVersalitePath
{
public enum Figure
{
none, rect,ellipse
}
public partial class Form1 : Form
{
GraphicsPath pthRect =new GraphicsPath ();
GraphicsPath pthEllip = new GraphicsPath();
public Form1()
{
InitializeComponent();
UpDownRect.Maximum = 180;
UpDownRect.Minimum = -180;
UpDownRect.Value=45;
UpDownEllipse.Maximum = 180;
UpDownEllipse.Minimum = -180;
UpDownEllipse.Value = 15;
}
Point ancrage;
SolidBrush fillNormal = new SolidBrush(Color.Blue);
SolidBrush fillSelection = new SolidBrush(Color.Magenta );
Pen penRect = new Pen(Color.Black , 2.0f);
float angleRect;
float angleEllip;
private void button1_Click(object sender, EventArgs e)
{
int w = 100;
int h = 70;
Rectangle rect = new Rectangle(50, 80, w, h);
ancrage = new Point(rect.Left+w/2, rect.Top+h/2);
Matrix myMatrixRect = new Matrix();
myMatrixRect.RotateAt(angleRect, ancrage, MatrixOrder.Append);
pthRect.Reset();
pthRect.AddRectangle(rect);
pthRect.Transform(myMatrixRect);
rect = new Rectangle(100, 120, w, h);
ancrage = new Point(rect.Left + w / 2, rect.Top + h / 2);
Matrix myMatrixEllip = new Matrix();
myMatrixEllip.RotateAt(angleEllip, ancrage, MatrixOrder.Append);
pthEllip.Reset();
pthEllip.AddEllipse(rect);
pthEllip.Transform(myMatrixEllip);
this.Invalidate();
}
Figure cliquedFigure;
private void Form1_MouseDown(object sender, MouseEventArgs e)
{
Point pointClicked = e.Location;
if ( pthRect.IsVisible(e.Location) )
{
cliquedFigure =Figure.rect ;
}
else if (pthEllip.IsVisible(e.Location))
{
cliquedFigure = Figure.ellipse;
}
else
{
cliquedFigure=Figure.none ;
}
this.Invalidate();
}
private void Form1_Paint(object sender, PaintEventArgs e)
{
Graphics g = e.Graphics;
switch (cliquedFigure)
{
case Figure.rect :
g.FillPath(fillSelection, pthRect);
g.FillPath(fillNormal, pthEllip);
break;
case Figure.ellipse:
g.FillPath(fillSelection, pthEllip );
g.FillPath(fillNormal, pthRect);
break;
default:
g.FillPath(fillNormal, pthRect);
g.FillPath(fillNormal, pthEllip);
break;
}
g.DrawPath(penRect, pthRect );
g.DrawPath(penRect, pthEllip);
}
private void UpDownRect_ValueChanged_1(object sender, EventArgs e)
{
angleRect = (float)UpDownRect.Value;
}
private void UpDownEllipse_ValueChanged(object sender, EventArgs e)
{
angleEllip = (float)UpDownEllipse.Value;
}
}
} |
