/// <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 PlotFloatLogic(
OscChannel channel,
int smpBeg,
int smpEnd,
float pxStart,
float pxPerSample,
Color color)
{
// do not render empty buffer
const int CHAR_OFFSET_Y = -10;
const int CHAR_OFFSET_X = -66;
var position = channel.Position;
var texCenterY = oscSettings.textureCenter.y;
var pixPerDivs = oscSettings.pixelsPerDivision;
var topY = Mathf.RoundToInt((position + channel.Scale) * pixPerDivs + texCenterY);
var botY = Mathf.RoundToInt(position * pixPerDivs + texCenterY);
// first sample position
var fpx = pxStart;
var x1 = Mathf.RoundToInt(pxStart - pxPerSample);
var v1 = (int)(channel.GetFloat(smpBeg - 1) - position);
// iterate over all samples (starts from sample 2)
for (var i = smpBeg; i <= smpEnd; i++)
{
var x2 = Mathf.RoundToInt(fpx);
var v2 = (int)(channel.GetFloat(i) - position);
if (v1 == v2)
{
if (i != smpEnd)
{
v1 = v2;
fpx += pxPerSample;
continue; // skip
}
else
{
// horizontal lines
OscUtils.PlotLine(screenTexture, x1, topY, x2 - 1, topY, color);
OscUtils.PlotLine(screenTexture, x1, botY, x2 - 1, botY, color);
return;
}
}
// horizontal lines
OscUtils.PlotLine(screenTexture, x1, topY, x2 - 2, topY, color);
OscUtils.PlotLine(screenTexture, x1, botY, x2 - 2, botY, color);
// cross over lines
OscUtils.PlotLine(screenTexture, x2 - 2, topY, x2, botY, color);
OscUtils.PlotLine(screenTexture, x2 - 2, botY, x2, topY, color);
// display value (previous value)
OscFont.DrawText(screenTexture, v1.ToString("x8"), x2 + CHAR_OFFSET_X, botY + CHAR_OFFSET_Y, color);
x1 = x2;
v1 = v2;
fpx += pxPerSample;
}
}
/// <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 PlotVector2(
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 sample = channel.GetVector2(smpBeg - 1);
var y1a = Mathf.RoundToInt(sample.x * pixPerDivs + texCenterY);
var y1b = Mathf.RoundToInt(sample.y * pixPerDivs + texCenterY);
// iterate over all samples (starts from sample 2)
for (var i = smpBeg; i <= smpEnd; i++)
{
var x2 = Mathf.RoundToInt(fpx);
sample = channel.GetVector2(i);
var y2a = Mathf.RoundToInt(sample.x * pixPerDivs + texCenterY);
var y2b = Mathf.RoundToInt(sample.y * pixPerDivs + texCenterY);
// first line at the sample 2
var dx = Math.Abs(x1 - x2);
var dya = Math.Abs(y1a - y2a);
if (dx > 1 || dya > 1)
{
OscUtils.PlotLine(screenTexture, x1, y1a, x2, y2a, colorX);
}
else
{
screenTexture.SetPixel(x2, y2a, colorX);
}
var dyb = Math.Abs(y1b - y2b);
if (dx > 1 || dyb > 1)
{
OscUtils.PlotLine(screenTexture, x1, y1b, x2, y2b, colorY);
}
else
{
screenTexture.SetPixel(x2, y2b, colorY);
}
x1 = x2;
y1a = y2a;
y1b = y2b;
fpx += pxPerSample;
}
}
// ============================================================================================
// Draw grid
// ============================================================================================
/// <summary>
/// Draw oscilloscope grid
/// </summary>
/// <param name="color"></param>
public void PlotGrid(Color color)
{
var w = oscSettings.textureSize.x;
var h = oscSettings.textureSize.y;
var xcenter = oscSettings.textureCenter.x;
var ycenter = oscSettings.textureCenter.y;
var pxDiv = oscSettings.pixelsPerDivision;
var pxSub = oscSettings.pixelsPerSubdivision;
if (drawGrid)
{
// -- draw main grid
for (var x = xcenter; x < w; x += pxDiv)
{
PlotDotedLineVertical(screenTexture, x, ycenter, pxSub, color);
}
for (var x = xcenter - pxDiv; x >= 0; x -= pxDiv)
{
PlotDotedLineVertical(screenTexture, x, ycenter, pxSub, color);
}
for (var y = ycenter; y < h; y += pxDiv)
{
PlotDotedLineHorizontal(screenTexture, xcenter, y, pxSub, color);
}
for (var y = ycenter - pxDiv; y >= 0; y -= pxDiv)
{
PlotDotedLineHorizontal(screenTexture, xcenter, y, pxSub, color);
}
}
if (drawRulerX)
{
// -- draw horizontal ruler bar in center
PlotDotedLineHorizontal(screenTexture, xcenter, ycenter + 2, pxSub, color);
PlotDotedLineHorizontal(screenTexture, xcenter, ycenter + 1, pxSub, color);
PlotDotedLineHorizontal(screenTexture, xcenter, ycenter - 1, pxSub, color);
PlotDotedLineHorizontal(screenTexture, xcenter, ycenter - 2, pxSub, color);
}
if (drawRulerY)
{
// -- draw verticals ruler bar in center
PlotDotedLineVertical(screenTexture, xcenter + 2, ycenter, pxSub, color);
PlotDotedLineVertical(screenTexture, xcenter + 1, ycenter, pxSub, color);
PlotDotedLineVertical(screenTexture, xcenter - 1, ycenter, pxSub, color);
PlotDotedLineVertical(screenTexture, xcenter - 2, ycenter, pxSub, color);
}
// -- draw frame around
OscUtils.PlotRectangle(screenTexture, 0, 0, w - 1, h - 1, color);
}
// ============================================================================================
// 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);
}
}
/// <summary>
/// Draw horizontal line at position Y
/// </summary>
/// <param name="color"></param>
/// <param name="y"></param>
/// <param name="scale"></param>
/// <param name="position"></param>
public void DrawHorizontalLine(float y, Color color)
{
var pxY = oscSettings.GetPixelPositionIntY(y);
OscUtils.PlotLine(screenTexture, 1, pxY, oscSettings.textureSize.x - 1, pxY, color);
}