public void func()
{
rgb = null;
gg = null;
}
private void pictureBox1_MouseDown(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)//如果按下鼠标左键
{
isMove = true;
x = Cursor.Position.X;//把移动之后的光标的位置赋给Point_XY便于下一个位置的计算
y = Cursor.Position.Y;
}
//显示像素值
if (bands == 3)
{
if (rgb == null)
{
rgb = new pixel3();
int ex = e.X / pictureBox1.Width * newBitmap.Width - pictureBox1.Location.X;
int ey = e.Y / pictureBox1.Height * newBitmap.Height - pictureBox1.Location.X;
if (ex >= cols || ey >= rows || ex < 0 || ey < 0)
{
rgb.label2.Text = "error!";
rgb.label3.Text = "error!";
rgb.label5.Text = "error!";
return;
}
rgb.label2.Text = newdata[0, ey, ex].ToString();
rgb.label3.Text = newdata[1, ey, ex].ToString();
rgb.label5.Text = newdata[2, ey, ex].ToString();
}
else if (rgb.Visible == true)
{
int ex = e.X / pictureBox1.Width * newBitmap.Width - pictureBox1.Location.X;
int ey = e.Y / pictureBox1.Height * newBitmap.Height - pictureBox1.Location.X;
if (ex >= cols || ey >= rows || ex < 0 || ey < 0)
{
rgb.label2.Text = "error!";
rgb.label3.Text = "error!";
rgb.label5.Text = "error!";
return;
}
rgb.label2.Text = newdata[0, ey, ex].ToString();
rgb.label3.Text = newdata[1, ey, ex].ToString();
rgb.label5.Text = newdata[2, ey, ex].ToString();
}
}
if (bands == 1)
{
if (gg == null)
{
gg = new gray();
int ex = (int)((double)e.X / (double)pictureBox1.Width * (double)newBitmap.Width - (double)pictureBox1.Location.X);
int ey = (int)((double)e.Y / (double)pictureBox1.Height * (double)newBitmap.Height - (double)pictureBox1.Location.Y);
if (ex >= cols || ey >= rows || ex < 0 || ey < 0)
{
gg.label2.Text = "error!";
return;
}
gg.label2.Text = newdata[0, ey, ex].ToString();
}
else if (gg.Visible == true)
{
int ex = (int)((double)e.X / (double)pictureBox1.Width * (double)newBitmap.Width - (double)pictureBox1.Location.X);
int ey = (int)((double)e.Y / (double)pictureBox1.Height * (double)newBitmap.Height - (double)pictureBox1.Location.Y);
if (ex >= cols || ey >= rows || ex < 0 || ey < 0)
{
gg.label2.Text = "error!";
return;
}
gg.label2.Text = newdata[0, ey, ex].ToString();
}
}
if (rgb != null)
{
rgb.FormClosing += (ss, ee) => { func(); };
}
if (gg != null)
{
gg.FormClosing += (ss, ee) => { func(); };
}
}