public static Image FrameSonogram(Image image, Image titleBar, TimeSpan minuteOffset, TimeSpan xAxisTicInterval, TimeSpan xAxisPixelDuration,
TimeSpan labelInterval, int nyquist, int herzInterval)
{
double secondsDuration = xAxisPixelDuration.TotalSeconds * image.Width;
var fullDuration = TimeSpan.FromSeconds(secondsDuration);
// init frequency scale
int frameSize = image.Height;
var freqScale = new FrequencyScale(nyquist, frameSize, herzInterval);
SpectrogramTools.DrawGridLinesOnImage((Bitmap)image, minuteOffset, fullDuration, xAxisTicInterval, freqScale);
int imageWidth = image.Width;
int trackHeight = 20;
int imageHt = image.Height + trackHeight + trackHeight + trackHeight;
var timeBmp = DrawTimeTrack(minuteOffset, xAxisPixelDuration, xAxisTicInterval, labelInterval, imageWidth, trackHeight, "Seconds");
var compositeBmp = new Bitmap(imageWidth, imageHt); //get canvas for entire image
var gr = Graphics.FromImage(compositeBmp);
gr.Clear(Color.Black);
int offset = 0;
gr.DrawImage(titleBar, 0, offset); //draw in the top time scale
offset += timeBmp.Height;
gr.DrawImage(timeBmp, 0, offset); //draw
offset += titleBar.Height;
gr.DrawImage(image, 0, offset); //draw
offset += image.Height;
gr.DrawImage(timeBmp, 0, offset); //draw
return(compositeBmp);
}
/// <summary>
/// This method assumes that the height of the passed sonogram image is half of the original frame size.
/// This assumption allows the frequency scale grid lines to be placed at the correct intervals.
/// </summary>
public static Image FrameSonogram(
Image sonogramImage,
Image titleBar,
TimeSpan minuteOffset,
TimeSpan xAxisTicInterval,
TimeSpan xAxisPixelDuration,
TimeSpan labelInterval,
int nyquist,
int hertzInterval)
{
double secondsDuration = xAxisPixelDuration.TotalSeconds * sonogramImage.Width;
var fullDuration = TimeSpan.FromSeconds(secondsDuration);
// init frequency scale
int frameSize = sonogramImage.Height * 2;
var freqScale = new FrequencyScale(nyquist, frameSize, hertzInterval);
SpectrogramTools.DrawGridLinesOnImage((Bitmap)sonogramImage, minuteOffset, fullDuration, xAxisTicInterval, freqScale);
int imageWidth = sonogramImage.Width;
var timeBmp = ImageTrack.DrawShortTimeTrack(minuteOffset, xAxisPixelDuration, xAxisTicInterval, labelInterval, imageWidth, "Seconds");
Image[] imageArray = { titleBar, timeBmp, sonogramImage, timeBmp };
return(ImageTools.CombineImagesVertically(imageArray));
}