private void OpenPic_Button_Click(object sender, EventArgs e)
{
OpenFileDialog openFileDialog = new()
{
RestoreDirectory = true,
Filter = "*.jpg,*.png,*.jpeg,*.bmp,*.gif|*.jpg;*.png;*.jpeg;*.bmp;*.gif|All files(*.*)|*.*"
};
if (openFileDialog.ShowDialog() == DialogResult.OK)
{
try
{
P_PictureBox.Image = System.Drawing.Image.FromFile(openFileDialog.FileName);
_isFirst = true;
_PCAResult = null;
this.ThresholdValue_Label.Text = (this.ThresholdValue_TrackBar.Value = 30).ToString();
Draw_PictureBox.Refresh();
}
catch (System.IO.FileNotFoundException)
{
MessageBox.Show(" 文件不存在");
}
catch (Exception)
{
MessageBox.Show(" 读取图片异常");
}
}
if (null != P_PictureBox.Image)
{
this.OpenPic_Button.Visible = true;
this.Analysis_Button.Enabled = true;
this.Analysis_Button.Visible = true;
this.Analysis_Button.Focus();
}
else
{
this.OpenPic_Button.Visible = true;
this.Analysis_Button.Enabled = false;
this.Analysis_Button.Visible = false;
}
}
private void Analysis_Button_Click(object sender, EventArgs e)
{
if (P_PictureBox.Image != null)
{
Stopwatch Sw = new Stopwatch();
Sw.Start();
_PCAResult = Lxy.Picture.PCA.Image.Analysis(P_PictureBox.Image, ColorNum_TrackBar.Value, _isFirst && true, Delta_TrackBar.Value, ThresholdValue_TrackBar.Value);
if (_isFirst && ThresholdValue_TrackBar.Value > _PCAResult.MaxThresholdValue && null != _PCAResult.HighlightColor)
{
_isFirst = false;
ThresholdValue_TrackBar.Value = _PCAResult.MaxThresholdValue;
ThresholdValue_Label.Text = _PCAResult.MaxThresholdValue.ToString();
}
Sw.Stop();
Elapsed_Label.Text = $"耗 时： {Sw.ElapsedMilliseconds} ms";
_pixelAmount = P_PictureBox.Image.Width * P_PictureBox.Image.Height;
Draw_PictureBox.Refresh();
}
}
