// Redraw vertical gridlines for the exposed area.
void DrawVerticalGrid(Gdk.Window win, Gdk.Rectangle rect)
{
SampleQueue data = debugManager.PowerData;
if (data == null)
{
return;
}
int usPerPx = scale * data.Period;
int t = rect.X * usPerPx;
// Find the first time divison before the exposed area
t -= t % hSpacingUs;
for (;;)
{
int x = t / usPerPx;
if (x >= rect.X + rect.Width)
{
break;
}
win.DrawLine(gcGrid, x, 0, x, allocation.Height - 1);
t += hSpacingUs;
}
}
void updateSizing()
{
SampleQueue data = debugManager.PowerData;
vertMax = 10;
if (data != null)
{
drawer.SetSizeRequest(data.Count / scale, -1);
// Calculate a scale for the vertical axis.
while (vertMax < data.Max)
{
vertMax *= 10;
}
// Calculate a good time-division spacing
int usPerPx = scale * data.Period;
hSpacingUs = 1;
while (hSpacingUs / usPerPx < 20)
{
hSpacingUs *= 10;
}
}
drawer.QueueResize();
updateStatus();
}
public void ZoomFit()
{
SampleQueue data = debugManager.PowerData;
if (data == null)
{
scale = 1;
}
else
{
scale = 1;
while ((scale < maxScale) &&
(scrollAllocation.Width * scale) < data.Count)
{
scale *= 2;
}
}
updateSizing();
}
// Redraw power samples for the exposed area.
void DrawPower(Gdk.Window win, Gdk.Rectangle rect)
{
SampleQueue data = debugManager.PowerData;
if (data == null)
{
return;
}
int[] slice = new int[rect.Width];
int len;
len = data.Fetch(rect.X * scale, slice, scale);
for (int i = 0; i < len; i++)
{
int x = rect.X + i;
int h = slice[i] * allocation.Height / vertMax;
win.DrawLine(gcBar, x, allocation.Height - 1 - h,
x, allocation.Height - 1);
}
}
// Process a shell message
void HandleShell(Debugger.Message msg)
{
int spc = msg.Text.IndexOf(' ');
if (spc < 0)
{
return;
}
string kind = msg.Text.Substring(0, spc);
string arg = msg.Text.Substring(spc + 1,
msg.Text.Length - spc - 1);
if (kind.Equals("power-sample-us"))
{
int period = XmlConvert.ToInt32(arg);
powerData = new SampleQueue(period, 131072);
if (PowerChanged != null)
{
PowerChanged(this, null);
}
}
else if (kind.Equals("power-samples"))
{
if (powerData != null)
{
int[] samples = DecodeSamples(arg);
powerData.Push(samples);
if (PowerChanged != null)
{
PowerChanged(this, null);
}
}
}
}
// Process a shell message
void HandleShell(Debugger.Message msg)
{
int spc = msg.Text.IndexOf(' ');
if (spc < 0)
return;
string kind = msg.Text.Substring(0, spc);
string arg = msg.Text.Substring(spc + 1,
msg.Text.Length - spc - 1);
if (kind.Equals("power-sample-us"))
{
int period = XmlConvert.ToInt32(arg);
powerData = new SampleQueue(period, 131072);
if (PowerChanged != null)
PowerChanged(this, null);
}
else if (kind.Equals("power-samples"))
{
if (powerData != null)
{
int[] samples = DecodeSamples(arg);
powerData.Push(samples);
if (PowerChanged != null)
PowerChanged(this, null);
}
}
}
