private void DrawGraph(FFTService.FFTImageDataModel data)
{
for (int i = 0; i < data.R.frequency.Count; ++i)
{
chart1.Series["SeriesR"].Points.AddXY
(data.R.frequency[i], data.G.magnitude[i]);
chart1.Series["SeriesG"].Points.AddXY
(data.G.frequency[i], data.G.magnitude[i]);
chart1.Series["SeriesB"].Points.AddXY
(data.B.frequency[i], data.B.magnitude[i]);
}
chart1.Series["SeriesR"].ChartType = SeriesChartType.Line;
chart1.Series["SeriesR"].Color = Color.Red;
chart1.Series["SeriesR"].LegendText = "Channel R";
chart1.ChartAreas["R"].AxisX.Title = "Frequency [ju]";
chart1.ChartAreas["R"].AxisY.Title = "Magnitude [ju]";
chart1.Series["SeriesG"].ChartType = SeriesChartType.Line;
chart1.Series["SeriesG"].Color = Color.Green;
chart1.Series["SeriesG"].LegendText = "Channel G";
chart1.ChartAreas["G"].AxisX.Title = "Frequency [ju]";
chart1.ChartAreas["G"].AxisY.Title = "Magnitude [ju]";
chart1.Series["SeriesB"].ChartType = SeriesChartType.Line;
chart1.Series["SeriesB"].Color = Color.Blue;
chart1.Series["SeriesB"].LegendText = "Channel B";
chart1.ChartAreas["B"].AxisX.Title = "Frequency [ju]";
chart1.ChartAreas["B"].AxisY.Title = "Magnitude [ju]";
}
private void button1_Click(object sender, EventArgs e)
{
Stream myStream = null;
OpenFileDialog openFileDialog1 = new OpenFileDialog();
JpegModel jpegModel;
JpegReader jpegReader = new JpegReader();
openFileDialog1.InitialDirectory = Environment.GetFolderPath(Environment.SpecialFolder.CommonPictures);
openFileDialog1.Filter = "images (*.jpg)|*.jpg";
openFileDialog1.FilterIndex = 2;
openFileDialog1.RestoreDirectory = true;
if (openFileDialog1.ShowDialog() == DialogResult.OK)
{
try {
if ((myStream = openFileDialog1.OpenFile()) != null)
{
using (myStream) {
// Insert code to read the stream here.
jpegModel = jpegReader.ReadImage(myStream);
jpegModel.file = (myStream as FileStream).Name;
FFTService.FFTImageDataModel fftImageDataModel = FFTService.FFT(jpegModel);
SetImageDetails(jpegModel);
ClearGraph();
DrawGraph(fftImageDataModel);
}
}
}
catch (Exception ex) {
MessageBox.Show("Error: Could not read file from disk. Original error: " + ex.Message);
}
}
}