private void draw_area_MouseUp(object sender, MouseEventArgs e)
{
figure fig;
switch (activeTool)
{
case Tool.Line:
graphics.DrawLine(pen, first_p, second_p);
fig = new figure(first_p, second_p, "line", pen);
figures.Add(fig);
break;
case Tool.Rectangle:
graphics.DrawRectangle(pen, GetRectangle(first_p, second_p));
fig = new figure(first_p, second_p, "rectangle", pen);
figures.Add(fig);
break;
case Tool.Ellipse:
graphics.DrawEllipse(pen, first_p.X, first_p.Y, second_p.X - first_p.X, second_p.Y - first_p.Y);
fig = new figure(first_p, second_p, "ellipse", pen);
figures.Add(fig);
break;
case Tool.Star:
graphics.DrawPolygon(pen, Star(first_p, second_p));
fig = new figure(first_p, second_p, "star", pen);
figures.Add(fig);
break;
case Tool.Triangle:
graphics.DrawPolygon(pen, Triangle(first_p, second_p));
fig = new figure(first_p, second_p, "triangle", pen);
figures.Add(fig);
break;
case Tool.Right_Triangle:
graphics.DrawPolygon(pen, Right_Triangle(first_p, second_p));
fig = new figure(first_p, second_p, "right-triangle", pen);
figures.Add(fig);
break;
case Tool.Cursor:
if (moving.NULL == false)
{
figures.Add(moving);
moving = new figure();
first_p = new Point();
second_p = new Point();
Draw(graphics);
}
break;
default:
break;
}
}
private void draw_area_MouseMove(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
{
second_p = e.Location;
switch (activeTool)
{
case Tool.Pencil:
graphics.DrawLine(pen, first_p, second_p);
figure fig = new figure(first_p, second_p, "pencil", pen);
figures.Add(fig);
first_p = second_p;
break;
default:
break;
}
draw_area.Refresh();
}
}
private void draw_area_Paint(object sender, PaintEventArgs e)
{
switch (activeTool)
{
case Tool.Pencil:
break;
case Tool.Line:
e.Graphics.DrawLine(pen, first_p, second_p);
break;
case Tool.Rectangle:
e.Graphics.DrawRectangle(pen, GetRectangle(first_p, second_p));
break;
case Tool.Ellipse:
e.Graphics.DrawEllipse(pen, first_p.X, first_p.Y, second_p.X - first_p.X, second_p.Y - first_p.Y);
break;
case Tool.Star:
e.Graphics.DrawPolygon(pen, Star(first_p, second_p));
break;
case Tool.Triangle:
e.Graphics.DrawPolygon(pen, Triangle(first_p, second_p));
break;
case Tool.Right_Triangle:
e.Graphics.DrawPolygon(pen, Right_Triangle(first_p, second_p));
break;
case Tool.Cursor:
if (moving.NULL == true)
{
for (int i = 0; i < figures.Count; i++)
{
if (figures[i].type != "pencil")
{
if (first_p.X >= figures[i].first.X && first_p.X <= figures[i].second.X && first_p.Y >= figures[i].first.Y && first_p.Y <= figures[i].second.Y)
{
moving = new figure(figures[i].first, figures[i].second, figures[i].type, figures[i].pen);
figures.RemoveAt(i);
break;
}
}
}
}
else
{
int h = Math.Abs(moving.second.Y - moving.first.Y);
int w = Math.Abs(moving.second.X - moving.first.X);
moving.first = second_p;
moving.second.X = moving.first.X + w;
moving.second.Y = moving.first.Y + h;
first_p = second_p;
Figure_Draw(moving.first, moving.second, moving.type, e.Graphics, moving.pen);
}
break;
default:
break;
}
}