本文整理汇总了C++中QwtPlotCurve::setBrush方法的典型用法代码示例。如果您正苦于以下问题：C++ QwtPlotCurve::setBrush方法的具体用法？C++ QwtPlotCurve::setBrush怎么用？C++ QwtPlotCurve::setBrush使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类QwtPlotCurve的用法示例。
在下文中一共展示了QwtPlotCurve::setBrush方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: WorkoutPlot
WorkoutPlot()
{
workoutCurve = new QwtPlotCurve();
setTitle("Workout Chart");
QPen pen = QPen(Qt::blue,1.0);
workoutCurve->setPen(pen);
QColor brush_color = QColor(124, 91, 31);
brush_color.setAlpha(64);
workoutCurve->setBrush(brush_color);
workoutCurve->attach(this);
}示例2: pen
void
CpintPlot::plot_allCurve(CpintPlot *thisPlot,
int n_values,
const double *power_values)
{
clear_CP_Curves();
QVector<double> energyBests(n_values);
QVector<double> time_values(n_values);
// generate an array of time values
for (int t = 0; t < n_values; t++) {
time_values[t] = (t + 1) / 60.0;
energyBests[t] = power_values[t] * time_values[t] * 60.0 / 1000.0;
}
// generate zones from derived CP value
if (cp > 0) {
QList <int> power_zone;
int n_zones = zones->lowsFromCP(&power_zone, (int) int(cp));
int high = n_values - 1;
int zone = 0;
while (zone < n_zones && high > 0) {
int low = high - 1;
int nextZone = zone + 1;
if (nextZone >= power_zone.size())
low = 0;
else {
while ((low > 0) && (power_values[low] < power_zone[nextZone]))
--low;
}
QColor color = zoneColor(zone, n_zones);
QString name = zones->getDefaultZoneName(zone);
QwtPlotCurve *curve = new QwtPlotCurve(name);
if (appsettings->value(this, GC_ANTIALIAS, false).toBool() == true)
curve->setRenderHint(QwtPlotItem::RenderAntialiased);
QPen pen(color.darker(200));
pen.setWidth(appsettings->value(this, GC_LINEWIDTH, 2.0).toDouble());
curve->setPen(pen);
curve->attach(thisPlot);
// use a linear gradient
color.setAlpha(180);
QColor color1 = color;
color1.setAlpha(64);
QLinearGradient linearGradient(0, 0, 0, height());
linearGradient.setColorAt(0.0, color);
linearGradient.setColorAt(1.0, color1);
linearGradient.setSpread(QGradient::PadSpread);
curve->setBrush(linearGradient); // fill below the line
if (series == RideFile::none) { // this is Energy mode
curve->setData(time_values.data() + low,
energyBests.data() + low, high - low + 1);
} else {
curve->setData(time_values.data() + low,
power_values + low, high - low + 1);
}
allCurves.append(curve);
if (series != RideFile::none || energyBests[high] > 100.0) {
QwtText text(name);
text.setFont(QFont("Helvetica", 20, QFont::Bold));
color.setAlpha(255);
text.setColor(color);
QwtPlotMarker *label_mark = new QwtPlotMarker();
// place the text in the geometric mean in time, at a decent power
double x, y;
if (series == RideFile::none) {
x = (time_values[low] + time_values[high]) / 2;
y = (energyBests[low] + energyBests[high]) / 5;
}
else {
x = sqrt(time_values[low] * time_values[high]);
y = (power_values[low] + power_values[high]) / 5;
}
label_mark->setValue(x, y);
label_mark->setLabel(text);
label_mark->attach(thisPlot);
allZoneLabels.append(label_mark);
}
high = low;
++zone;
}
}
// no zones available: just plot the curve without zones
else {
QwtPlotCurve *curve = new QwtPlotCurve(tr("maximal power"));
if (appsettings->value(this, GC_ANTIALIAS, false).toBool() == true)
curve->setRenderHint(QwtPlotItem::RenderAntialiased);
QPen pen(GColor(CCP));
pen.setWidth(appsettings->value(this, GC_LINEWIDTH, 2.0).toDouble());
curve->setPen(pen);
QColor brush_color = GColor(CCP);
brush_color.setAlpha(200);
curve->setBrush(brush_color); // brush fills below the line
if (series == RideFile::none)
curve->setData(time_values.data(), energyBests.data(), n_values);
else
//.........这里部分代码省略.........
示例3: i
void
PfPvPlot::refreshZoneItems()
{
// clear out any zone curves which are presently defined
if (zoneCurves.size()) {
QListIterator<QwtPlotCurve *> i(zoneCurves);
while (i.hasNext()) {
QwtPlotCurve *curve = i.next();
curve->detach();
//delete curve;
}
}
zoneCurves.clear();
// delete any existing power zone labels
if (zoneLabels.size()) {
QListIterator<PfPvPlotZoneLabel *> i(zoneLabels);
while (i.hasNext()) {
PfPvPlotZoneLabel *label = i.next();
label->detach();
delete label;
}
}
zoneLabels.clear();
// set zones from ride or athlete and date of
// first item in the compare set
const Zones *zones;
int zone_range = -1;
// comparing does zones for items selected not current ride
if (context->isCompareIntervals) {
zones = context->athlete->zones();
// no athlete zones anyway!
if (!zones) return;
// use first compare interval date
if (context->compareIntervals.count()) {
zone_range = zones->whichRange(context->compareIntervals[0].data->startTime().date());
}
// still not set
if (zone_range == -1) {
zone_range = zones->whichRange(QDate::currentDate());
}
} else if (rideItem) {
zones = rideItem->zones;
zone_range = rideItem->zoneRange();
} else {
return; // null ride and not compare etc
}
if (zone_range >= 0) {
setCP(zones->getCP(zone_range));
// populate the zone curves
QList <int> zone_power = zones->getZoneLows(zone_range);
QList <QString> zone_name = zones->getZoneNames(zone_range);
int num_zones = zone_power.size();
if (zone_name.size() != num_zones) return;
if (num_zones > 0) {
QPen *pen = new QPen();
pen->setStyle(Qt::NoPen);
QwtArray<double> yvalues;
// generate x values
for (int z = 0; z < num_zones; z ++) {
QwtPlotCurve *curve = new QwtPlotCurve(zone_name[z]);
curve->setPen(*pen);
QColor brush_color = zoneColor(z, num_zones);
brush_color.setHsv(brush_color.hue(), brush_color.saturation() / 4, brush_color.value());
curve->setBrush(brush_color); // fill below the line
curve->setZ(1 - 1e-6 * zone_power[z]);
// generate data for curve
if (z < num_zones - 1) {
QwtArray <double> contour_yvalues;
int watts = zone_power[z + 1];
int dwatts = (double) watts;
for (int i = 0; i < contour_xvalues.size(); i ++) {
contour_yvalues.append( (1e6 * contour_xvalues[i] < watts) ? 1e6 : dwatts / contour_xvalues[i]);
}
curve->setSamples(contour_xvalues, contour_yvalues);
} else {
// top zone has a curve at "infinite" power
QwtArray <double> contour_x;
//.........这里部分代码省略.........
示例4: i
void
PfPvPlot::refreshZoneItems()
{
// clear out any zone curves which are presently defined
if (zoneCurves.size()) {
QListIterator<QwtPlotCurve *> i(zoneCurves);
while (i.hasNext()) {
QwtPlotCurve *curve = i.next();
curve->detach();
delete curve;
}
}
zoneCurves.clear();
// delete any existing power zone labels
if (zoneLabels.size()) {
QListIterator<PfPvPlotZoneLabel *> i(zoneLabels);
while (i.hasNext()) {
PfPvPlotZoneLabel *label = i.next();
label->detach();
delete label;
}
}
zoneLabels.clear();
// give up for a null ride
if (! rideItem) return;
const Zones *zones = rideItem->zones;
int zone_range = rideItem->zoneRange();
if (zone_range >= 0) {
setCP(zones->getCP(zone_range));
// populate the zone curves
QList <int> zone_power = zones->getZoneLows(zone_range);
QList <QString> zone_name = zones->getZoneNames(zone_range);
int num_zones = zone_power.size();
assert(zone_name.size() == num_zones);
if (num_zones > 0) {
QPen *pen = new QPen();
pen->setStyle(Qt::NoPen);
QwtArray<double> yvalues;
// generate x values
for (int z = 0; z < num_zones; z ++) {
QwtPlotCurve *curve = new QwtPlotCurve(zone_name[z]);
curve->setPen(*pen);
QColor brush_color = zoneColor(z, num_zones);
brush_color.setHsv(brush_color.hue(), brush_color.saturation() / 4, brush_color.value());
curve->setBrush(brush_color); // fill below the line
curve->setZ(1 - 1e-6 * zone_power[z]);
// generate data for curve
if (z < num_zones - 1) {
QwtArray <double> contour_yvalues;
int watts = zone_power[z + 1];
int dwatts = (double) watts;
for (int i = 0; i < contour_xvalues.size(); i ++) {
contour_yvalues.append( (1e6 * contour_xvalues[i] < watts) ? 1e6 : dwatts / contour_xvalues[i]);
}
curve->setData(contour_xvalues, contour_yvalues);
} else {
// top zone has a curve at "infinite" power
QwtArray <double> contour_x;
QwtArray <double> contour_y;
contour_x.append(contour_xvalues[0]);
contour_x.append(contour_xvalues[contour_xvalues.size() - 1]);
contour_y.append(1e6);
contour_y.append(1e6);
curve->setData(contour_x, contour_y);
}
curve->setVisible(shade_zones);
curve->attach(this);
zoneCurves.append(curve);
}
delete pen;
// generate labels for existing zones
for (int z = 0; z < num_zones; z ++) {
PfPvPlotZoneLabel *label = new PfPvPlotZoneLabel(this, z);
label->setVisible(shade_zones);
label->attach(this);
zoneLabels.append(label);
}
}
}
}