Add profiling with Remotery

vis/Code/PixelTimeRange.js

@@ -0,0 +1,61 @@
+
+class PixelTimeRange
+{
+	constructor(start_us, span_us, span_px)
+	{
+		this.Span_px = span_px;
+		this.Set(start_us, span_us);
+	}
+
+	Set(start_us, span_us)
+	{
+		this.Start_us = start_us;
+		this.Span_us = span_us;
+		this.End_us = this.Start_us + span_us;
+		this.usPerPixel = this.Span_px / this.Span_us;
+	}
+
+	SetStart(start_us)
+	{
+		this.Start_us = start_us;
+		this.End_us = start_us + this.Span_us;
+	}
+
+	SetEnd(end_us)
+	{
+		this.End_us = end_us;
+		this.Start_us = end_us - this.Span_us;
+	}
+
+	SetPixelSpan(span_px)
+	{
+		this.Span_px = span_px;
+		this.usPerPixel = this.Span_px / this.Span_us;
+	}
+
+	PixelOffset(time_us)
+	{
+		return Math.floor((time_us - this.Start_us) * this.usPerPixel);
+	}
+
+	PixelSize(time_us)
+	{
+		return Math.floor(time_us * this.usPerPixel);
+	}
+
+	TimeAtPosition(position)
+	{
+		return this.Start_us + position / this.usPerPixel;
+	}
+
+	Clone()
+	{
+		return new PixelTimeRange(this.Start_us, this.Span_us, this.Span_px);
+	}
+
+	SetAsUniform(gl, program)
+	{
+		glSetUniform(gl, program, "inTimeRange.usStart", this.Start_us);
+		glSetUniform(gl, program, "inTimeRange.usPerPixel", this.usPerPixel);
+	}
+}