void
TraceHistoryRenderer::ScaleChart(ChartRenderer &chart,
const TraceVariableHistory& var,
const bool centered) const
{
chart.padding_bottom = 0;
chart.padding_left = 0;
chart.ScaleXFromValue(fixed(0));
chart.ScaleXFromValue(fixed(var.capacity()-1));
fixed vmin = fixed(0);
fixed vmax = fixed(0);
for (auto it = var.begin(); it != var.end(); ++it) {
vmin = std::min(*it, vmin);
vmax = std::max(*it, vmax);
}
if (!(vmax>vmin)) {
vmax += fixed(1);
}
if (centered) {
vmax = std::max(vmax, -vmin);
vmin = std::min(vmin, -vmax);
}
chart.ScaleYFromValue(vmax);
chart.ScaleYFromValue(vmin);
}
void
InfoBoxContentSpark::SetVSpeedComment(InfoBoxData &data,
const TraceVariableHistory &var)
{
if (var.empty())
return;
TCHAR sTmp[32];
FormatUserVerticalSpeed(var.last(), sTmp,
ARRAY_SIZE(sTmp));
data.SetComment(sTmp);
data.SetCustom();
}
void
InfoBoxContentSpark::label_vspeed(InfoBoxWindow &infobox,
const TraceVariableHistory& var)
{
if (var.empty())
return;
TCHAR sTmp[32];
Units::FormatUserVSpeed(var.last(), sTmp,
sizeof(sTmp) / sizeof(sTmp[0]));
infobox.SetComment(sTmp);
infobox.SetValue(_T(""));
infobox.invalidate();
}
void
TraceHistoryRenderer::render_line(ChartRenderer &chart,
const TraceVariableHistory& var) const
{
fixed x_last, y_last;
unsigned i=0;
for (auto it = var.begin(); it != var.end(); ++it, ++i) {
fixed x= fixed(i);
fixed y= *it;
if (i)
chart.DrawLine(x_last, y_last, x, y, look.line_pen);
x_last = x;
y_last = y;
}
}
void
TraceHistoryRenderer::RenderAxis(ChartRenderer &chart,
const TraceVariableHistory& var) const
{
chart.DrawLine(fixed(0), fixed(0),
fixed(var.capacity()-1), fixed(0),
look.axis_pen);
}
void
InfoBoxContentSpark::do_paint(InfoBoxWindow &infobox, Canvas &canvas,
const TraceVariableHistory& var,
const bool center)
{
if (var.empty())
return;
TraceHistoryRenderer::RenderVario(canvas, get_spark_rect(infobox), var, center,
CommonInterface::SettingsComputer().glide_polar_task.get_mc());
}
void
InfoBoxContentSpark::Paint(Canvas &canvas, const PixelRect &rc,
const TraceVariableHistory &var, const bool center)
{
if (var.empty())
return;
const Look &look = UIGlobals::GetLook();
TraceHistoryRenderer renderer(look.trace_history, look.vario, look.chart);
renderer.RenderVario(canvas, GetSparkRect(rc), var, center,
CommonInterface::GetComputerSettings().polar.glide_polar_task.GetMC());
}
void
TraceHistoryRenderer::render_filled_posneg(ChartRenderer &chart,
const TraceVariableHistory& var) const
{
fixed x_last(fixed(0)), y_last(fixed(0));
unsigned i=0;
for (auto it = var.begin(); it != var.end(); ++it, ++i) {
fixed x= fixed(i);
fixed y= *it;
if (i) {
if (sgn(y)*sgn(y_last)<0) {
if (positive(y_last))
chart.DrawFilledLine(x_last, y_last, x_last+fixed(0.5), fixed(0),
vario_look.lift_brush);
else if (negative(y_last))
chart.DrawFilledLine(x_last, y_last, x_last+fixed(0.5), fixed(0),
vario_look.sink_brush);
x_last = x-fixed(0.5);
y_last = fixed(0);
}
if (positive(y) || positive(y_last))
chart.DrawFilledLine(x_last, y_last, x, y, vario_look.lift_brush);
else if (negative(y) || negative(y_last))
chart.DrawFilledLine(x_last, y_last, x, y, vario_look.sink_brush);
}
x_last = x;
y_last = y;
}
if (look.inverse)
chart.GetCanvas().SelectWhiteBrush();
else
chart.GetCanvas().SelectBlackBrush();
chart.DrawDot(x_last, y_last, Layout::Scale(2));
}
void
TraceHistoryRenderer::RenderVario(Canvas& canvas,
const PixelRect rc,
const TraceVariableHistory& var,
const bool centered,
const fixed mc) const
{
ChartRenderer chart(chart_look, canvas, rc);
ScaleChart(chart, var, centered);
chart.ScaleYFromValue(mc);
if (positive(mc)) {
canvas.SetBackgroundTransparent();
chart.DrawLine(fixed(0), mc,
fixed(var.capacity()-1), mc,
ChartLook::STYLE_DASHGREEN);
}
render_filled_posneg(chart, var);
RenderAxis(chart, var);
}
