private static Image Render(IPeakProvider peakProvider, WaveFormRendererSettings settings)
{
if (settings.DecibelScale)
{
peakProvider = new DecibelPeakProvider(peakProvider, 48);
}
var b = new Bitmap(settings.Width, settings.TopHeight + settings.BottomHeight);
if (settings.BackgroundColor == Color.Transparent)
{
b.MakeTransparent();
}
using (var g = Graphics.FromImage(b))
using (var backgroundBrush = settings.BackgroundBrush.Clone() as Brush)
using (var topPeakPen = settings.TopPeakPen.Clone() as Pen)
using (var bottomPeakPen = settings.BottomPeakPen.Clone() as Pen)
//using (var topSpacerPen = settings.TopSpacerPen.Clone() as Pen)
//using (var bottomSpacerPen = settings.BottomSpacerPen.Clone() as Pen)
{
g.FillRectangle(backgroundBrush, 0, 0, b.Width, b.Height);
var midPoint = settings.TopHeight;
var x = 0;
var currentPeak = peakProvider.GetNextPeak();
while (x < settings.Width)
{
var nextPeak = peakProvider.GetNextPeak();
for (var n = 0; n < settings.PixelsPerPeak; n++)
{
var lineHeight = settings.TopHeight * currentPeak.Max;
g.DrawLine(topPeakPen, x, midPoint, x, midPoint - lineHeight);
lineHeight = settings.BottomHeight * currentPeak.Min;
g.DrawLine(bottomPeakPen, x, midPoint, x, midPoint - lineHeight);
x++;
}
for (var n = 0; n < settings.SpacerPixels; n++)
{
// spacer bars are always the lower of the
var max = Math.Min(currentPeak.Max, nextPeak.Max);
var min = Math.Max(currentPeak.Min, nextPeak.Min);
var lineHeight = settings.TopHeight * max;
g.DrawLine(settings.TopSpacerPen, x, midPoint, x, midPoint - lineHeight);
lineHeight = settings.BottomHeight * min;
g.DrawLine(settings.BottomSpacerPen, x, midPoint, x, midPoint - lineHeight);
x++;
}
currentPeak = nextPeak;
}
}
return(b);
}
public Image Render(WaveStream sampleProvider, IPeakProvider peakProvider, WaveFormRendererSettings settings)
{
int bytesPerSample = (sampleProvider.WaveFormat.BitsPerSample / 8);
var samples = sampleProvider.Length / (bytesPerSample);
var samplesPerPixel = (int)(samples / settings.Width);
var stepSize = settings.PixelsPerPeak + settings.SpacerPixels;
peakProvider.Init((ISampleProvider)sampleProvider, samplesPerPixel * stepSize);
return(Render(peakProvider, settings));
}
public Image Render(string selectedFile, IPeakProvider peakProvider, WaveFormRendererSettings settings)
{
using (var reader = new AudioFileReader(selectedFile))
{
int bytesPerSample = (reader.WaveFormat.BitsPerSample / 8);
var samples = reader.Length / (bytesPerSample);
var samplesPerPixel = (int)(samples / settings.Width);
var stepSize = settings.PixelsPerPeak + settings.SpacerPixels;
peakProvider.Init(reader, samplesPerPixel * stepSize);
return(Render(peakProvider, settings));
}
}
private static Image Render(IPeakProvider peakProvider, WaveFormRendererSettings settings)
{
Log.Information(rrender + "Render started");
if (settings.DecibelScale)
{
peakProvider = new DecibelPeakProvider(peakProvider, 48);
}
var b = new Bitmap(settings.Width, settings.TopHeight + settings.BottomHeight);
if (settings.BackgroundColor == Color.Transparent)
{
b.MakeTransparent();
}
using (var g = Graphics.FromImage(b))
{
g.FillRectangle(settings.BackgroundBrush, 0, 0, b.Width, b.Height);
var midPoint = settings.TopHeight;
int x = 0;
var currentPeak = peakProvider.GetNextPeak();
while (x < settings.Width)
{
var nextPeak = peakProvider.GetNextPeak();
//for (int n = 0; n < settings.PixelsPerPeak; n++)
//{
var lineHeight = settings.TopHeight * currentPeak.Max;
g.DrawLine(settings.TopPeakPen, x, midPoint, x, midPoint - lineHeight);
lineHeight = settings.BottomHeight * currentPeak.Min;
g.DrawLine(settings.BottomPeakPen, x, midPoint, x, midPoint - lineHeight);
x++;
//}
/*for (int n = 0; n < settings.SpacerPixels; n++)
* {
* // spacer bars are always the lower of the
* var max = Math.Min(currentPeak.Max, nextPeak.Max);
* var min = Math.Max(currentPeak.Min, nextPeak.Min);
*
* var lineHeight = settings.TopHeight * max;
* g.DrawLine(settings.TopSpacerPen, x, midPoint, x, midPoint - lineHeight);
* lineHeight = settings.BottomHeight * min;
* g.DrawLine(settings.BottomSpacerPen, x, midPoint, x, midPoint - lineHeight);
* x++;
* }*/
currentPeak = nextPeak;
}
}
Log.Information(rrender + "Render finished");
return(b);
}
public Image Render(string selectedFile, IPeakProvider peakProvider, WaveFormRendererSettings settings, ILogger log)
{
Log.Logger = log;
using (reader = new AudioFileReader(selectedFile))
{
int bytesPerSample = (reader.WaveFormat.BitsPerSample / 8);
Log.Information(rrender + "Bytes Per Sample: {0}", bytesPerSample);
var samples = reader.Length / (bytesPerSample);
Log.Information(rrender + "Samples: {0}", samples);
var samplesPerPixel = (int)(samples / settings.Width);
Log.Information(rrender + "Samples Per Pixel: {0}", samplesPerPixel);
var stepSize = settings.PixelsPerPeak + settings.SpacerPixels;
Log.Information(rrender + "Step Size: {0}", stepSize);
peakProvider.Init(reader, samplesPerPixel * stepSize);
return(Render(peakProvider, settings));
}
}
public Image Render(string selectedFile, WaveFormRendererSettings settings)
{
return(Render(selectedFile, new MaxPeakProvider(), settings));
}
