private void XY_Point_Panel_MouseMove(object sender, MouseEventArgs e)
{
Point p = XY_Point_Panel.PointToClient(Cursor.Position);
if (XYgraph.Map[XYgraph.ConvertToArray(p)] != -1)
{
if (XYgraph.last != p)
{
Point tmp = XYgraph.ConvertToXY(p);
XY_Tip.SetToolTip(XY_Point_Panel, (tmp.X * 0.5) + "," + (tmp.Y * 0.5) + " value = " + XYgraph.Map[XYgraph.ConvertToArray(p)]);
XYgraph.last = p;
}
}
else
{
XY_Tip.SetToolTip(XY_Panel, "");
}
}
private void XY_Point_Panel_MouseDown(object sender, MouseEventArgs e)
{
if (locked)
{
return;
}
Point p = XY_Point_Panel.PointToClient(Cursor.Position);
Graphics g = XY_Point_Panel.CreateGraphics();
SolidBrush brush;
int value = -1;
if (e.Button == MouseButtons.Left)
{
value = 1;
brush = new SolidBrush(Color.Red);
}
else
{
value = 0;
brush = new SolidBrush(Color.Yellow);
}
if (XYgraph.Map[XYgraph.ConvertToArray(p)] == value)
{
XY_Point_Panel.Refresh();
XYgraph.Map[XYgraph.ConvertToArray(p)] = -1;
RedrawPoint();
}
else
{
Point tmp = XYgraph.ConvertToPanel(p);
//繪製的起點為左上角,因為要減到1/2的pixel
g.FillEllipse(brush, tmp.X - XYgraph.pixel / 2, tmp.Y - XYgraph.pixel / 2, XYgraph.pixel, XYgraph.pixel);
Console.WriteLine((tmp.X - XYgraph.pixel / 2) + " " + (tmp.Y - XYgraph.pixel / 2));
XYgraph.Map[XYgraph.ConvertToArray(p)] = value;
}
brush.Dispose();
g.Dispose();
}