private void GenerateWaveform()
{
var generator = new WaveFormPointsGenerator();
Brush strokeBrush = new SolidColorBrush(colorPickerOutline.SelectedColor);
Brush fillBrush = new SolidColorBrush(colorPickerFill.SelectedColor);
Brush bottomBrush = new SolidColorBrush(colorPickerBottom.SelectedColor);
canvas.Children.Clear();
var topPoints = mipMap.Peaks.Select(p => p.Channels[0].Max / 32768.0);
var bottomPoints = mipMap.Peaks.Select(p => p.Channels[0].Min / 32768.0);
if (radioButtonVertical.IsChecked.Value)
{
double xOffset = 0.5;
var path = generator.GetAsVerticalLines(topPoints, bottomPoints, xOffset, 110, -100, strokeBrush);
canvas.Children.Add(path);
}
else
{
if (!checkBoxOutline.IsChecked.Value)
{
strokeBrush = null;
}
double xStep = 1; // was 2
double yMultTop = -100;
double yMultBottom = -25;
var topPath = radioButtonBezier.IsChecked.Value ? generator.GetBezierPath(topPoints, 0, xStep, 110, yMultTop, strokeBrush, fillBrush) : generator.GetLinearPath(topPoints, 0, xStep, 110, yMultTop, strokeBrush, fillBrush);
var bottomPath = radioButtonBezier.IsChecked.Value ? generator.GetBezierPath(bottomPoints, 0, xStep, 110, yMultBottom, strokeBrush, bottomBrush) : generator.GetLinearPath(bottomPoints, 0, xStep, 110, yMultBottom, strokeBrush, bottomBrush);
canvas.Children.Add(topPath);
canvas.Children.Add(bottomPath);
}
}
private void Button_Click(object sender, RoutedEventArgs e)
{
OpenFileDialog ofd = new OpenFileDialog();
ofd.Filter = "All supported files|*.wav;*.mp3;*.ReaPeaks";
bool?result = ofd.ShowDialog();
if (result.HasValue && result.Value)
{
var generator = new WaveFormPointsGenerator();
// 4100 = 10 points per second
this.mipMap = generator.GetPeaks(ofd.FileName, 22050);
GenerateWaveform();
}
}