/// <summary>
/// sets graph data
/// </summary>
public void SetAudioData(float[] audioData)
{
this.audioData = audioData;
bmp = AudioAnalyzer.DrawWaveform(audioData,
new Size(this.Width, this.Height),
waveDisplayResolution,
waveDisplayAmplitude,
waveDisplayStartPosition,
sampleRate);
// force redraw
this.Invalidate();
}
private void WaveDisplayUserControl_Paint(object sender, PaintEventArgs e)
{
Graphics g = e.Graphics;
int height = Height;
int width = Width;
// if selected, highlight
if (this.Selected)
{
drawingProperties.FillColor = Color.Gray;
}
else
{
drawingProperties.FillColor = Color.White;
}
float[] waveData;
if (this.parentForm.DoShowRAWWaves)
{
waveData = this.waveData;
}
else
{
waveData = this.morphedData;
}
// get the waveform
Bitmap _offlineBitmap = AudioAnalyzer.DrawWaveform(waveData,
new Size(this.Width, this.Height),
1,
-1, -1,
-1, -1,
-1,
44100,
1,
drawingProperties);
if (_offlineBitmap != null)
{
// draw the offline bitmap
g.DrawImage(_offlineBitmap, 0, 0);
}
var drawFileNameFont = new Font("Arial", 9);
string fileName = Path.GetFileNameWithoutExtension(this.FileName);
SizeF drawFileNameTextSize = g.MeasureString(fileName, drawFileNameFont);
g.DrawString(fileName, drawFileNameFont, Brushes.Black, Width - drawFileNameTextSize.Width - 2, 1);
}
private void UpdateWaveform()
{
if (soundPlayer == null || soundPlayer.WaveformData == null)
{
return;
}
if (soundPlayer.WaveformData != null && soundPlayer.WaveformData.Length > 1)
{
this.offlineBitmap = AudioAnalyzer.DrawWaveform(soundPlayer.WaveformData, new Size(this.Width, this.Height), amplitude, startZoomSamplePosition, endZoomSamplePosition, soundPlayer.SampleRate, true);
// force redraw
this.Invalidate();
}
}
void PictureBox1Paint(object sender, PaintEventArgs e)
{
int width = pictureBox1.Size.Width;
int height = pictureBox1.Size.Height;
Graphics g = e.Graphics;
// get the waveform
Bitmap _offlineBitmap = AudioAnalyzer.DrawWaveform(waveData,
new Size(width, height),
1,
-1, -1,
-1, -1,
-1,
44100,
1,
drawingProperties);
if (_offlineBitmap != null)
{
// draw the offline bitmap
g.DrawImage(_offlineBitmap, 0, 0);
}
}
