public void updateBitmap(ColorTable colortable, GridCalculator gridF, GridCalculator gridY, GridCalculator gridCol)
{
// Check whethter there is really something new
if (missingLines == 0)
{
return;
}
// Check whether complete redo is necessary
Boolean redo = false;
int newWidth = (int)Math.Floor(gridF.high - gridF.low + 0.5);
int newHeight = (int)Math.Floor(gridY.low - gridY.high + 0.5);
if ((newWidth != map.Width) || (newHeight != map.Height))
{
redo = true;
}
if (colortable.changed)
{
redo = true;
}
if ((gridF.min != gridFMin) || (gridF.max != gridFMax) || (gridF.logScale != gridFLogScale))
{
redo = true;
}
if ((gridCol.min != gridColMin) || (gridCol.max != gridColMax))
{
redo = true;
}
if (redo)
{
redrawBitmap(colortable, gridF, gridY, gridCol);
return;
}
// Just an update
// Shift Content
Array.Copy(mapdata, missingLines * mapstride, mapdata, 0, (map.Height - missingLines) * mapstride);
int y = map.Height - 1;
int f = missingLines;
int i = 0;
while (f > 0)
{
WaterfallLine wfl = get(i);
if (wfl != null)
{
wfl.drawToMap(colortable, gridF, gridCol, mapdata, y * mapstride, map.Width);
}
i++;
y--;
f--;
}
missingLines = 0;
}
public WaterfallLineFIFO(WaterfallSpectrumScreen _root, int _size, int _initialblocksize, double _initialfmax, int _width, int _height)
{
size = _size;
root = _root;
lines = new WaterfallLine[size];
for (int i = 0; i < size; i++)
{
lines[i] = new WaterfallLine(_root, _initialblocksize, _initialfmax);
}
write = 0;
fill = 0;
newBitmap(_width, _height);
missingLines = 0;
}
private void Timer_Tick(object sender, EventArgs e)
{
if (!ready)
{
return;
}
if (waterfallSpectrum == null)
{
return;
}
if (waterfallSpectrum.owner == null)
{
return;
}
int ipfill = input.fill();
while (ipfill >= _blockSize)
{
if ((inputData == null) || (inputData.Length != _blockSize))
{
inputData = new double[_blockSize];
}
input.retrieve(ref inputData);
if (run)
{
WaterfallLine l = waterfallLines.NewforWrite();
l.setSize(_blockSize / 2, waterfallSpectrum.owner.sampleRate / 2);
fftProcessor.runFFTdBFS(ref inputData, ref l.data);
}
ipfill -= _blockSize;
}
if (waterfallLines.missingLines > 0)
{
waterfallLines.updateBitmap(waterfallSpectrumScreen.colorTable,
waterfallSpectrumScreen.gridF, waterfallSpectrumScreen.gridY,
waterfallSpectrumScreen.gridCol);
waterfallSpectrumScreen.Invalidate();
}
}
public void redrawBitmap(ColorTable colorTable, GridCalculator gridF, GridCalculator gridY, GridCalculator gridCol)
{
int newWidth = (int)Math.Floor(gridF.high - gridF.low + 0.5);
int newHeight = (int)Math.Floor(gridY.low - gridY.high + 0.5);
if ((newWidth != map.Width) || (newHeight != map.Height))
{
newBitmap(newWidth, newHeight);
}
gridFMin = gridF.min;
gridFMax = gridF.max;
gridFLogScale = gridF.logScale;
gridColMin = gridCol.min;
gridColMax = gridCol.max;
colorTable.changed = false;
// Clear Map
System.Array.Clear(mapdata, 0, mapdata.Length);
int y = map.Height - 1;
int f = fill;
int i = 0;
while ((y >= 0) && (f > 0))
{
WaterfallLine wfl = get(i);
if (wfl != null)
{
wfl.drawToMap(colorTable, gridF, gridCol, mapdata, y * mapstride, map.Width);
}
i++;
y--;
f--;
}
missingLines = 0;
}