private void cmd_clear_Click(object sender, EventArgs e)
{
points.Clear(); // clear input points
polygon = null;
m = null; // clear shape
listBox1.Items.Clear();
cmb_minumum.Items.Clear();
cmb_other.Items.Clear();
Graphics g = panel_screen.CreateGraphics();
g.Clear(Color.White);
cmd_3color.Enabled = false;
cmd_animate.Enabled = false;
cmd_cut.Enabled = false;
cmd_scan1.Enabled = false;
cmd_scan2.Enabled = false;
button5.Text = "-";
button6.Text = "-";
button7.Text = "-";
button5.Enabled = false;
button6.Enabled = false;
button7.Enabled = false;
label1.Visible = false;
status = prosess_status.WAITING_USER_INPUT;
}
private void panel_screen_MouseUp(object sender, MouseEventArgs e)
{
// fires when mouse button is released after click
if (e.Button == MouseButtons.Left) // if left-click
{
// we're getting point input from user
Point p = new Point(e.X, e.Y);
points.Add(p);
status = prosess_status.DRAWING;
}
else if (e.Button == MouseButtons.Right) // right-click
{
if (points.Count < 3) // polygon needs at least 3 points
{
MessageBox.Show("You have to click at least 3 points!");
return;
}
// construct the polygon from entered points
polygon = new Point[points.Count];
for (int i = 0; i < points.Count; i++)
{
polygon[i] = (Point)points[i];
}
Graphics g = panel_screen.CreateGraphics();
g.Clear(Color.White); // clear background
//Szin
draw_polygon(); // draw the polygon
status = prosess_status.POLYGON_READY;
cmd_cut.Enabled = true; // enable the triangulate button
}
}
// triangulate button
private void cmd_cut_Click(object sender, EventArgs e)
{
// if there's not a complete polygon yet
if (polygon == null | status != prosess_status.POLYGON_READY)
{
return; // cancel prosessing
}
if (polygon.Length < 3)
{
return;
}
m = new mPolygonShape(polygon); // initialize a new polygon-shape
m.triangulate(); // triangualete
m.lb = listBox1; // assign reference of listbox
listBox1.Items.Clear(); // clear listbox
Graphics g = panel_screen.CreateGraphics(); // Graphics handle
g.Clear(Color.White); // cls screen
// draw the result
draw_ears(false); // wire_frame_only=false, allows filling of polygons
draw_polygon(); // top of it, draw polygon, vertex markers
status = prosess_status.TRIANGULATION_COMPLETED;
cmd_3color.Enabled = true;
}
private void button9_Click(object sender, EventArgs e)
{
// we're getting point input from user
Point p = new Point(226, 88);
points.Add(p);
Point a = new Point(180, 150);
points.Add(a);
Point b = new Point(111, 104);
points.Add(b);
Point c = new Point(65, 201);
points.Add(c);
Point d = new Point(101, 276);
points.Add(d);
Point r = new Point(219, 328);
points.Add(r);
Point t = new Point(317, 303);
points.Add(t);
Point z = new Point(373, 241);
points.Add(z);
Point x = new Point(259, 220);
points.Add(x);
Point m = new Point(321, 130);
points.Add(m);
status = prosess_status.DRAWING;
polygon = new Point[points.Count];
for (int i = 0; i < points.Count; i++)
{
polygon[i] = (Point)points[i];
}
Graphics g = panel_screen.CreateGraphics();
g.Clear(Color.White); // clear background
//Szin
draw_polygon(); // draw the polygon
status = prosess_status.POLYGON_READY;
cmd_cut.Enabled = true; // enable the triangulate button
}
// animate the 3-coloring
private void cmd_animate_Click(object sender, EventArgs e)
{
status = prosess_status.ANIMATING;
m.animated = new Boolean[m.input_vertices.Length]; // animation construct
for (int i = 0; i < m.animated.Length; i++)
{
m.animated[i] = false; // none of guards shown yet
}
for (int i = 0; i < listBox1.Items.Count; i++) // loop through listbox
{
listBox1.SelectedIndex = i; // let listbox select the item and show
if (i != listBox1.Items.Count - 1)
{
Application.DoEvents();
Thread.Sleep(750); // wait 750 ms for next animation step
}
}
Graphics g = panel_screen.CreateGraphics();
g.Clear(Color.White);
draw_polygon(); // draw markers
draw_ears(false); // draw wireframe-only triangles
draw_3colors();
label1.Text = "Minumul de paznici: " + m.count_colors(m.get_minumum_color()).ToString(); // minimum color count
label1.Visible = true;
button5.Text = (cmb_minumum.Items[cmb_minumum.SelectedIndex].ToString());
button5.Enabled = true;
if (cmb_other.Items.Count == 1)
{
button6.Text = cmb_other.Items[cmb_other.SelectedIndex].ToString();
button6.Enabled = true;
}
if (cmb_other.Items.Count == 2)
{
button6.Text = cmb_other.Items[cmb_other.SelectedIndex].ToString();
button7.Text = cmb_other.Items[cmb_other.SelectedIndex + 1].ToString();
button6.Enabled = true;
button7.Enabled = true;
}
status = prosess_status.TRICOLOR_COMPLETED;
}
private void cmd_clear_Click(object sender, EventArgs e)
{
points.Clear(); // clear input points
polygon = null;
m = null; // clear shape
listBox1.Items.Clear();
cmb_minumum.Items.Clear();
cmb_other.Items.Clear();
Graphics g = panel_screen.CreateGraphics();
g.Clear(Color.CornflowerBlue);
cmd_3color.Enabled = false;
cmd_animate.Enabled = false;
cmd_cut.Enabled = false;
cmd_scan1.Enabled = false;
cmd_scan2.Enabled = false;
status = prosess_status.WAITING_USER_INPUT;
}
// 3-color the polygons
private void cmd_3color_Click(object sender, EventArgs e)
{
// if triangulation is complete
if ((m != null) && (status == prosess_status.TRIANGULATION_COMPLETED))
{
m.traverse(); // start 3-coloring the graph
Graphics g = panel_screen.CreateGraphics();
g.Clear(Color.CornflowerBlue);
draw_polygon(); // draw markers
draw_ears(false); // draw wireframe-only triangles
draw_3colors(); // draw 3-coloring
// process minumu-guards
cmb_minumum.Items.Add(m.str_color(m.get_minumum_color())); // find minimum-color
cmb_minumum.SelectedIndex = 0;
lbl_min_guards.Text = "Minumum Guards: " + m.count_colors(m.get_minumum_color()).ToString(); // minimum color count
// process others
for (int i = 1; i <= 3; i++)
{
if ((vertex_color)i != m.get_minumum_color())
{
if (m.count_colors((vertex_color)i) == m.count_colors(m.get_minumum_color()))
{
cmb_minumum.Items.Add(m.str_color((vertex_color)i));
}
else
{
cmb_other.Items.Add(m.str_color((vertex_color)i));
}
}
}
if (cmb_other.Items.Count > 0)
{
cmb_other.SelectedIndex = 0;
}
status = prosess_status.TRICOLOR_COMPLETED;
cmd_animate.Enabled = true;
cmd_scan1.Enabled = true;
cmd_scan2.Enabled = true;
}
}
// animate the 3-coloring
private void cmd_animate_Click(object sender, EventArgs e)
{
status = prosess_status.ANIMATING;
m.animated = new Boolean[m.input_vertices.Length]; // animation construct
for (int i = 0; i < m.animated.Length; i++)
{
m.animated[i] = false; // none of guards shown yet
}
for (int i = 0; i < listBox1.Items.Count; i++) // loop through listbox
{
listBox1.SelectedIndex = i; // let listbox select the item and show
if (i != listBox1.Items.Count - 1)
{
Application.DoEvents();
Thread.Sleep(750); // wait 750 ms for next animation step
}
}
status = prosess_status.TRICOLOR_COMPLETED;
}
public Form1()
{
status = prosess_status.WAITING_USER_INPUT;
InitializeComponent(); // init window components
}
// scans selected guards vision
private void scan_colors(vertex_color c)
{
Point p;
Graphics g = panel_screen.CreateGraphics();
Brush b = Brushes.White;
// set guard colors
switch (c)
{
case vertex_color.Empty:
break;
case vertex_color.Red:
b = Brushes.Red; //Itt Firebrick
break;
case vertex_color.Green:
b = Brushes.Lime; //Itt DarkGreen
break;
case vertex_color.Blue:
b = Brushes.Blue; //Itt RoyalBlue
break;
default:
break;
}
g.Clear(Color.White);
status = prosess_status.ANIMATING;
draw_ears(true); // draw tringulated polygon - wireframe-only mode
for (int i = 0; i < m.vertex_colors.Length; i++) // loop through guards
{
if (m.vertex_colors[i] == c) // if this is the guard we'r looking for
{
p = m.input_vertices[i]; // get guard point
Rectangle r = new Rectangle(p.X - 10, p.Y - 10, 20, 20);
g.FillEllipse(b, r); // draw guard
g.DrawEllipse(new Pen(Color.White, 1), r);
Application.DoEvents();
Thread.Sleep(750); // wait 750 ms for next step
for (int j = 0; j < m.polygons.Length; j++) // loop through polygons and find related polygons to current point
{
if ((p == m.polygons[j][0]) || (p == m.polygons[j][1]) || (p == m.polygons[j][2])) // if related polygon
{
g.FillPolygon(b, m.polygons[j]); // draw the polygon
g.DrawPolygon(Pens.White, m.polygons[j]);
Application.DoEvents();
Thread.Sleep(750); // wait 750 ms for next step
}
}
g.FillEllipse(b, r);
g.DrawEllipse(new Pen(Color.White, 1), r);
}
}
status = prosess_status.TRICOLOR_COMPLETED;
}
