// ============================================================================================
// Draw time diagram on screen
// ============================================================================================
/// <summary>
/// Draw waveform. Argument's units are grid divisions (GD)
/// </summary>
/// <param name="channel">Channel</param>
/// <param name="smpBeg">Index of first sample</param>
/// <param name="smpEnd">Index of last sample</param>
/// <param name="pxStart">Start pixel</param>
/// <param name="pxPerSample">Pixels per sample</param>
/// <param name="color">Waveform color</param>
public void PlotFloat(
OscChannel channel,
int smpBeg,
int smpEnd,
float pxStart,
float pxPerSample,
Color color)
{
// do not render empty buffer
var texCenterY = oscSettings.textureCenter.y;
var pixPerDivs = oscSettings.pixelsPerDivision;
// first sample position
var fpx = pxStart;
var x1 = Mathf.RoundToInt(pxStart - pxPerSample);
var y1 = Mathf.RoundToInt(channel.GetFloat(smpBeg - 1) * pixPerDivs + texCenterY);
y1 = oscSettings.ClampPixelInsideScreenY(y1);
// iterate over all samples (starts from sample 2)
for (var i = smpBeg; i <= smpEnd; i++)
{
var x2 = Mathf.RoundToInt(fpx);
var y2 = Mathf.RoundToInt(channel.GetFloat(i) * pixPerDivs + texCenterY);
y2 = oscSettings.ClampPixelInsideScreenY(y2);
// first line at the sample 2
var absDx = Math.Abs(x1 - x2);
var absDy = Math.Abs(y1 - y2);
if (absDx > 1 || absDy > 1)
{
OscUtils.PlotLine(screenTexture, x1, y1, x2, y2, color);
}
else
{
screenTexture.SetPixel(x2, y2, color);
}
x1 = x2;
y1 = y2;
fpx += pxPerSample;
}
}
/// <summary>
/// Draw marker at the x,y position in the division units
/// </summary>
/// <param name="text"></param>
/// <param name="color"></param>
/// <param name="x"></param>
/// <param name="y"></param>
/// <param name="scale">Vertical scale</param>
/// <param name="position">Vertical position</param>
/// <param name="clampPosition">If label does not fit on screen render it with blinking</param>
public void DrawLabel(string text, float x, float y, Color color, bool clampPosition = false)
{
var pxX = oscSettings.GetPixelPositionIntX(x);
var pxY = oscSettings.GetPixelPositionIntY(y);
var isNotFit = !oscSettings.TestPixelInsideScreenY(pxY);
if (isNotFit)
{
// if the label outside it modify name
if (clampPosition)
{
pxY = oscSettings.ClampPixelInsideScreenY(pxY);
text += '!'; // mark it clamped
}
else
{
return; // do not render label outside
}
}
// Render little cross hor. and vert. lines.
OscUtils.PlotLine(screenTexture, pxX, pxY, pxX + 16, pxY, color);
OscUtils.PlotLine(screenTexture, pxX, pxY - 8, pxX, pxY + 8, color);
// Render text (if text is not fit move it below the line)
const int CHAR_HEIGHT = 8;
const int CHAR_OFFSET = 2;
if (pxY < oscSettings.textureSize.y - (CHAR_HEIGHT + CHAR_OFFSET))
{
// fit on screen
OscFont.DrawText(screenTexture, text, pxX + 1, pxY + CHAR_OFFSET, color);
}
else
{
// does not fit on screen
OscFont.DrawText(screenTexture, text, pxX + 1, pxY - (CHAR_HEIGHT + CHAR_OFFSET), color);
}
}
