private void points_comboBox_SelectedValueChanged(object sender, System.EventArgs e)
{
if (!bDrawing && thread != null)
{
thread.Join();
ExamplePoint p = new ExamplePoint();
if (p.FromString(points_comboBox.SelectedItem.ToString()))
{
xmin = p.xmin;
xmax = p.xmax;
ymin = p.ymin;
ymax = p.ymax;
nMax = p.max_iter;
if (p.name != null && p.name != "")
{
Text = "Mandelbrot Viewer - " + p.name;
}
else
{
Text = "Mandelbrot Viewer";
}
bDrawing = true;
ThreadStart threadProc = new ThreadStart(work_thread);
thread = new Thread(threadProc);
thread.Start();
rBox = new Rectangle(0, 0, 0, 0);
outputBox.Invalidate();
}
}
}
private void demo_button_Click(object sender, System.EventArgs e)
{
if (demo_list == null)
{
demo_list = new ArrayList();
}
OpenFileDialog dlg = new OpenFileDialog();
dlg.InitialDirectory = "c:\\";
dlg.Filter = "txt files (*.txt)|*.txt|All files (*.*)|*.*";
dlg.FilterIndex = 1;
dlg.RestoreDirectory = true;
if (dlg.ShowDialog() == DialogResult.OK)
{
using (StreamReader sr = new StreamReader(dlg.OpenFile()))
{
String line;
bool first = true;
while ((line = sr.ReadLine()) != null)
{
line.Trim();
if (line.Length > 0 && line[0] != '#')
{
ExamplePoint node = new ExamplePoint();
if (node.FromString(line))
{
if (first)
{
demo_list.Clear(); // new list replaces the old
first = false;
}
demo_list.Add(node);
}
}
}
sr.Close();
points_comboBox.Items.Clear();
for (int i = 0; i < demo_list.Count; i++)
{
//MessageBox.Show(((ExamplePoint)demo_list[i]).ToString(), String.Format("demo: {0}", i));
points_comboBox.Items.Add(((ExamplePoint)demo_list[i]).ToString());
}
points_comboBox.SelectedIndex = 0;
if (connect_button.Enabled == false)
{
go_stop_button.Enabled = true;
}
}
}
}
private void outputBox_MouseUp(object sender, System.Windows.Forms.MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
{
if (!bDrawing && thread != null)
{
Rectangle r;
double x1, y1, x2, y2;
double width, height, pixel_width, pixel_height;
int x, y;
if (p1.X == e.X && p1.Y == e.Y)
{
return;
}
p2 = new Point(e.X, e.Y);
x = Math.Min(p1.X, p2.X);
y = Math.Min(p1.Y, p2.Y);
thread.Join();
r = new Rectangle(x, y, Math.Max(p1.X, p2.X) - x, Math.Max(p1.Y, p2.Y) - y);
width = xmax - xmin;
height = ymax - ymin;
pixel_width = outputBox.Width;
pixel_height = outputBox.Height;
x1 = xmin + ((double)r.Left * width / pixel_width);
x2 = xmin + ((double)r.Right * width / pixel_width);
y2 = ymin + ((double)(pixel_height - r.Top) * height / pixel_height);
y1 = ymin + ((double)(pixel_height - r.Bottom) * height / pixel_height);
xmin = x1;
xmax = x2;
ymin = y1;
ymax = y2;
ExamplePoint ep = new ExamplePoint(xmin, ymin, xmax, ymax, nMax, "dragged");
Text = "Mandelbrot Viewer" + ep.ToShortString();
bDrawing = true;
ThreadStart threadProc = new ThreadStart(work_thread);
thread = new Thread(threadProc);
thread.Start();
rBox = new Rectangle(x, y, 0, 0);
outputBox.Invalidate();
}
}
if (e.Button == MouseButtons.Right)
{
if (!bDrawing && thread != null)
{
thread.Join();
xmin = -1.0;
xmax = 1.0;
ymin = -1.0;
ymax = 1.0;
bDrawing = true;
ThreadStart threadProc = new ThreadStart(work_thread);
thread = new Thread(threadProc);
thread.Start();
rBox = new Rectangle(0, 0, 0, 0);
outputBox.Invalidate();
}
}
}
private void outputBox_MouseUp(object sender, System.Windows.Forms.MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
{
if (!bDrawing && thread != null)
{
Rectangle r;
double x1,y1,x2,y2;
double width, height, pixel_width, pixel_height;
int x, y;
if (p1.X == e.X && p1.Y == e.Y)
{
return;
}
p2 = new Point(e.X, e.Y);
x = Math.Min(p1.X, p2.X);
y = Math.Min(p1.Y, p2.Y);
thread.Join();
r = new Rectangle(x, y, Math.Max(p1.X, p2.X) - x, Math.Max(p1.Y, p2.Y) - y);
width = xmax - xmin;
height = ymax - ymin;
pixel_width = outputBox.Width;
pixel_height = outputBox.Height;
x1 = xmin + ((double)r.Left * width / pixel_width);
x2 = xmin + ((double)r.Right * width / pixel_width);
y2 = ymin + ((double)(pixel_height - r.Top) * height / pixel_height);
y1 = ymin + ((double)(pixel_height - r.Bottom) * height / pixel_height);
xmin = x1;
xmax = x2;
ymin = y1;
ymax = y2;
ExamplePoint ep = new ExamplePoint(xmin, ymin, xmax, ymax, nMax, "dragged");
Text = "Mandelbrot Viewer" + ep.ToShortString();
bDrawing = true;
ThreadStart threadProc = new ThreadStart(work_thread);
thread = new Thread(threadProc);
thread.Start();
rBox = new Rectangle(x, y, 0, 0);
outputBox.Invalidate();
}
}
if (e.Button == MouseButtons.Right)
{
if (!bDrawing && thread != null)
{
thread.Join();
xmin = -1.0;
xmax = 1.0;
ymin = -1.0;
ymax = 1.0;
bDrawing = true;
ThreadStart threadProc = new ThreadStart(work_thread);
thread = new Thread(threadProc);
thread.Start();
rBox = new Rectangle(0, 0, 0, 0);
outputBox.Invalidate();
}
}
}
private void demo_button_Click(object sender, System.EventArgs e)
{
if (demo_list == null)
demo_list = new ArrayList();
OpenFileDialog dlg = new OpenFileDialog();
dlg.InitialDirectory = "c:\\";
dlg.Filter = "txt files (*.txt)|*.txt|All files (*.*)|*.*";
dlg.FilterIndex = 1;
dlg.RestoreDirectory = true;
if(dlg.ShowDialog() == DialogResult.OK)
{
using (StreamReader sr = new StreamReader(dlg.OpenFile()))
{
String line;
bool first = true;
while ((line = sr.ReadLine()) != null)
{
line.Trim();
if (line.Length > 0 && line[0] != '#')
{
ExamplePoint node = new ExamplePoint();
if (node.FromString(line))
{
if (first)
{
demo_list.Clear(); // new list replaces the old
first = false;
}
demo_list.Add(node);
}
}
}
sr.Close();
points_comboBox.Items.Clear();
for (int i=0; i<demo_list.Count; i++)
{
//MessageBox.Show(((ExamplePoint)demo_list[i]).ToString(), String.Format("demo: {0}", i));
points_comboBox.Items.Add(((ExamplePoint)demo_list[i]).ToString());
}
points_comboBox.SelectedIndex = 0;
if (connect_button.Enabled == false)
{
go_stop_button.Enabled = true;
}
}
}
}
private void points_comboBox_SelectedValueChanged(object sender, System.EventArgs e)
{
if (!bDrawing && thread != null)
{
thread.Join();
ExamplePoint p = new ExamplePoint();
if (p.FromString(points_comboBox.SelectedItem.ToString()))
{
xmin = p.xmin;
xmax = p.xmax;
ymin = p.ymin;
ymax = p.ymax;
nMax = p.max_iter;
if (p.name != null && p.name != "")
Text = "Mandelbrot Viewer - " + p.name;
else
Text = "Mandelbrot Viewer";
bDrawing = true;
ThreadStart threadProc = new ThreadStart(work_thread);
thread = new Thread(threadProc);
thread.Start();
rBox = new Rectangle(0, 0, 0, 0);
outputBox.Invalidate();
}
}
}
