/*!
\brief Calculate the bounding rect of the plot area
The plot area depends on the zoom parameters.
\param canvasRect Rectangle of the canvas
\return Rectangle for displaying 100% of the plot
*/
QRectF QwtPolarPlot::plotRect( const QRectF &canvasRect ) const
{
const QwtScaleDiv *sd = scaleDiv( QwtPolar::Radius );
const QwtScaleEngine *se = scaleEngine( QwtPolar::Radius );
const int margin = plotMarginHint();
const QRectF cr = canvasRect;
const int radius = qMin( cr.width(), cr.height() ) / 2 - margin;
QwtScaleMap map;
map.setTransformation( se->transformation() );
map.setPaintInterval( 0.0, radius / d_data->zoomFactor );
map.setScaleInterval( sd->lowerBound(), sd->upperBound() );
double v = map.s1();
if ( map.s1() <= map.s2() )
v += d_data->zoomPos.radius();
else
v -= d_data->zoomPos.radius();
v = map.transform( v );
const QPointF off =
QwtPointPolar( d_data->zoomPos.azimuth(), v ).toPoint();
QPointF center( cr.center().x(), cr.top() + margin + radius );
center -= QPointF( off.x(), -off.y() );
QRectF rect( 0, 0, 2 * map.p2(), 2 * map.p2() );
rect.moveCenter( center );
return rect;
}
void ScaleDraw::drawBreak(QPainter *painter) const {
ScaleEngine *sc_engine =
static_cast<ScaleEngine *>(d_plot->axisScaleEngine(axis()));
/*const QwtScaleEngine * qwtsc_engine=d_plot->axisScaleEngine(axis());
const ScaleEngine *sc_engine =dynamic_cast<const ScaleEngine*>(qwtsc_engine);
if(sc_engine!=NULL)
{*/
if (!sc_engine->hasBreak() || !sc_engine->hasBreakDecoration())
return;
painter->save();
painter->setRenderHint(QPainter::Antialiasing);
int len = majTickLength();
QwtScaleMap scaleMap = map();
const QwtMetricsMap metricsMap = QwtPainter::metricsMap();
QPoint pos = this->pos();
if (!metricsMap.isIdentity()) {
QwtPainter::resetMetricsMap();
pos = metricsMap.layoutToDevice(pos);
if (orientation() == Qt::Vertical) {
scaleMap.setPaintInterval(metricsMap.layoutToDeviceY((int)scaleMap.p1()),
metricsMap.layoutToDeviceY((int)scaleMap.p2()));
len = metricsMap.layoutToDeviceX(len);
} else {
scaleMap.setPaintInterval(metricsMap.layoutToDeviceX((int)scaleMap.p1()),
metricsMap.layoutToDeviceX((int)scaleMap.p2()));
len = metricsMap.layoutToDeviceY(len);
}
}
int lval = scaleMap.transform(sc_engine->axisBreakLeft());
int rval = scaleMap.transform(sc_engine->axisBreakRight());
switch (alignment()) {
case LeftScale:
QwtPainter::drawLine(painter, pos.x(), lval, pos.x() - len, lval + len);
QwtPainter::drawLine(painter, pos.x(), rval, pos.x() - len, rval + len);
break;
case RightScale:
QwtPainter::drawLine(painter, pos.x(), lval, pos.x() + len, lval - len);
QwtPainter::drawLine(painter, pos.x(), rval, pos.x() + len, rval - len);
break;
case BottomScale:
QwtPainter::drawLine(painter, lval, pos.y(), lval - len, pos.y() + len);
QwtPainter::drawLine(painter, rval, pos.y(), rval - len, pos.y() + len);
break;
case TopScale:
QwtPainter::drawLine(painter, lval, pos.y(), lval + len, pos.y() - len);
QwtPainter::drawLine(painter, rval, pos.y(), rval + len, pos.y() - len);
break;
}
QwtPainter::setMetricsMap(metricsMap); // restore metrics map
painter->restore();
//}
}
void ScaleDraw::drawBreak(QPainter *painter) const
{
ScaleEngine *sc_engine = (ScaleEngine *)d_plot->axisScaleEngine(axis());
if (!sc_engine->hasBreak() || !sc_engine->hasBreakDecoration())
return;
painter->save();
painter->setRenderHint(QPainter::Antialiasing);
QPen pen = painter->pen();
pen.setColor(d_plot->axisWidget(axis())->palette().color(QPalette::Active, QColorGroup::Foreground));
painter->setPen(pen);
int len = d_plot->majorTickLength();
QwtScaleMap scaleMap = map();
const QwtMetricsMap metricsMap = QwtPainter::metricsMap();
QPoint pos = this->pos();
if (!d_plot->isPrinting()){
QwtPainter::resetMetricsMap();
pos = metricsMap.layoutToDevice(pos);
if ( orientation() == Qt::Vertical ){
scaleMap.setPaintInterval(
metricsMap.layoutToDeviceY((int)scaleMap.p1()),
metricsMap.layoutToDeviceY((int)scaleMap.p2()));
len = metricsMap.layoutToDeviceX(len);
} else {
scaleMap.setPaintInterval(
metricsMap.layoutToDeviceX((int)scaleMap.p1()),
metricsMap.layoutToDeviceX((int)scaleMap.p2()));
len = metricsMap.layoutToDeviceY(len);
}
}
int lval = scaleMap.transform(sc_engine->axisBreakLeft());
int rval = scaleMap.transform(sc_engine->axisBreakRight());
switch(alignment()){
case LeftScale:
case RightScale:
QwtPainter::drawLine(painter, pos.x() + len, lval - len, pos.x() - len, lval + len);
QwtPainter::drawLine(painter, pos.x() + len, rval - len, pos.x() - len, rval + len);
break;
case TopScale:
case BottomScale:
QwtPainter::drawLine(painter, lval + len, pos.y() - len, lval - len, pos.y() + len);
QwtPainter::drawLine(painter, rval + len, pos.y() - len, rval - len, pos.y() + len);
break;
}
if (!d_plot->isPrinting())
QwtPainter::setMetricsMap(metricsMap); // restore metrics map
painter->restore();
}
static void qwtTransformMaps( const QTransform &tr,
const QwtScaleMap &xMap, const QwtScaleMap &yMap,
QwtScaleMap &xxMap, QwtScaleMap &yyMap )
{
const QPointF p1 = tr.map( QPointF( xMap.p1(), yMap.p1() ) );
const QPointF p2 = tr.map( QPointF( xMap.p2(), yMap.p2() ) );
xxMap = xMap;
xxMap.setPaintInterval( p1.x(), p2.x() );
yyMap = yMap;
yyMap.setPaintInterval( p1.y(), p2.y() );
}
QDebug operator<<( QDebug debug, const QwtScaleMap &map )
{
debug.nospace() << "QwtScaleMap("
<< static_cast<int>( map.transformation()->type() )
<< ", s:" << map.s1() << "->" << map.s2()
<< ", p:" << map.p1() << "->" << map.p2()
<< ")";
return debug.space();
}
void PeakPickerTool::draw(QPainter *p, const QwtScaleMap &xMap,
const QwtScaleMap &yMap, const QRect &) const {
try {
MantidQt::MantidWidgets::PropertyHandler *h =
m_fitPropertyBrowser->getHandler();
if (!h)
return;
QList<MantidQt::MantidWidgets::PropertyHandler *> peaks = h->getPeakList();
foreach (MantidQt::MantidWidgets::PropertyHandler *peak, peaks) {
double c = peak->centre();
if (c >= xMap.s1() && c <= xMap.s2()) {
int ic = xMap.transform(c);
if (peak ==
m_fitPropertyBrowser->currentHandler()) { // draw current peak
double width = peak->fwhm();
QPen pen;
pen.setColor(QColor(255, 0, 0));
pen.setStyle(Qt::DashLine);
p->setPen(pen);
int x1 = xMap.transform(c - width / 2);
int x2 = xMap.transform(c + width / 2);
QwtPainter::drawLine(p, x1, int(yMap.p1()), x1, int(yMap.p2()));
QwtPainter::drawLine(p, x2, int(yMap.p1()), x2, int(yMap.p2()));
pen.setStyle(Qt::SolidLine);
p->setPen(pen);
int ih = yMap.transform(peak->height() + peak->base());
int ib = yMap.transform(peak->base());
QwtPainter::drawLine(p, ic, ib, ic, ih);
QwtPainter::drawLine(p, x1, ib, x2, ib);
} else {
p->setPen(QPen(QColor(200, 200, 200)));
QwtPainter::drawLine(p, ic, int(yMap.p1()), ic, int(yMap.p2()));
}
}
}
} catch (...) {
// Do nothing
}
QPen pen;
pen.setColor(QColor(0, 0, 255));
pen.setStyle(Qt::DashLine);
p->setPen(pen);
int x1 = xMap.transform(xMin());
int x2 = xMap.transform(xMax());
QwtPainter::drawLine(p, x1, int(yMap.p1()), x1, int(yMap.p2()));
QwtPainter::drawLine(p, x2, int(yMap.p1()), x2, int(yMap.p2()));
pen.setColor(QColor(0, 0, 255));
pen.setStyle(Qt::SolidLine);
p->setPen(pen);
QwtPainter::drawLine(p, x1, int(yMap.p1()), x1 + 3, int(yMap.p1()));
QwtPainter::drawLine(p, x1, int(yMap.p2()), x1 + 3, int(yMap.p2()));
QwtPainter::drawLine(p, x2, int(yMap.p1()), x2 - 3, int(yMap.p1()));
QwtPainter::drawLine(p, x2, int(yMap.p2()), x2 - 3, int(yMap.p2()));
}
/*!
\brief Calculate the bounding rect of the plot area
The plot area depends on the zoom parameters.
\param canvasRect Rectangle of the canvas
\return Rectangle for displaying 100% of the plot
*/
QwtDoubleRect QwtPolarPlot::plotRect( const QRect &canvasRect ) const
{
const QwtScaleDiv *sd = scaleDiv( QwtPolar::Radius );
const QwtScaleEngine *se = scaleEngine( QwtPolar::Radius );
const int margin = plotMarginHint();
const QRect cr = canvasRect;
const int radius = qwtMin( cr.width(), cr.height() ) / 2 - margin;
QwtScaleMap map;
map.setTransformation( se->transformation() );
map.setPaintXInterval( 0.0, radius / d_data->zoomFactor );
#if QWT_VERSION < 0x050200
map.setScaleInterval( sd->lBound(), sd->hBound() );
#else
map.setScaleInterval( sd->lowerBound(), sd->upperBound() );
#endif
double v = map.s1();
if ( map.s1() <= map.s2() )
v += d_data->zoomPos.radius();
else
v -= d_data->zoomPos.radius();
v = map.xTransform( v );
const QwtDoublePoint off =
QwtPolarPoint( d_data->zoomPos.azimuth(), v ).toPoint();
QwtDoublePoint center( cr.center().x(), cr.top() + margin + radius );
center -= QwtDoublePoint( off.x(), -off.y() );
QwtDoubleRect rect( 0, 0, 2 * map.p2(), 2 * map.p2() );
rect.moveCenter( center );
return rect;
}
QRectF
Annotations::boundingRect( double x, double y, const QwtText& label, Qt::Alignment align ) const
{
QSizeF sz = label.textSize();
const QwtScaleMap xMap = plot_.canvasMap( QwtPlot::xBottom );
const QwtScaleMap yMap = plot_.canvasMap( QwtPlot::yLeft );
#if 0
double p1 = xMap.p1(); // device left
double p2 = xMap.p2(); // device right
double s1 = xMap.s1(); // axis left
double s2 = xMap.s2(); // axis right
#endif
QPointF pt( QwtScaleMap::transform( xMap, yMap, QPointF( x, y ) ) );
QRectF rc( QwtScaleMap::transform( xMap, yMap, QRectF( pt, sz ) ) );
adjust( rc, align );
return rc;
}
/*!
Draw a tick
\param painter Painter
\param value Value of the tick
\param len Lenght of the tick
\sa drawBackbone(), drawLabel()
*/
void QwtScaleDraw::drawTick(QPainter *painter, double value, int len) const
{
if ( len <= 0 )
return;
int pw2 = qwtMin((int)painter->pen().width(), len) / 2;
QwtScaleMap scaleMap = map();
const QwtMetricsMap metricsMap = QwtPainter::metricsMap();
QPoint pos = d_data->pos;
if ( !metricsMap.isIdentity() )
{
/*
The perfect position of the ticks is important.
To avoid rounding errors we have to use
device coordinates.
*/
QwtPainter::resetMetricsMap();
pos = metricsMap.layoutToDevice(pos);
if ( orientation() == Qt::Vertical )
{
scaleMap.setPaintInterval(
metricsMap.layoutToDeviceY((int)scaleMap.p1()),
metricsMap.layoutToDeviceY((int)scaleMap.p2())
);
len = metricsMap.layoutToDeviceX(len);
}
else
{
scaleMap.setPaintInterval(
metricsMap.layoutToDeviceX((int)scaleMap.p1()),
metricsMap.layoutToDeviceX((int)scaleMap.p2())
);
len = metricsMap.layoutToDeviceY(len);
}
}
const int tval = scaleMap.transform(value);
switch(alignment())
{
case LeftScale:
{
#if QT_VERSION < 0x040000
QwtPainter::drawLine(painter, pos.x() + pw2, tval,
pos.x() - len - 2 * pw2, tval);
#else
QwtPainter::drawLine(painter, pos.x() - pw2, tval,
pos.x() - len, tval);
#endif
break;
}
case RightScale:
{
#if QT_VERSION < 0x040000
QwtPainter::drawLine(painter, pos.x(), tval,
pos.x() + len + pw2, tval);
#else
QwtPainter::drawLine(painter, pos.x() + pw2, tval,
pos.x() + len, tval);
#endif
break;
}
case BottomScale:
{
#if QT_VERSION < 0x040000
QwtPainter::drawLine(painter, tval, pos.y(),
tval, pos.y() + len + 2 * pw2);
#else
QwtPainter::drawLine(painter, tval, pos.y() + pw2,
tval, pos.y() + len);
#endif
break;
}
case TopScale:
{
#if QT_VERSION < 0x040000
QwtPainter::drawLine(painter, tval, pos.y() + pw2,
tval, pos.y() - len - 2 * pw2);
#else
QwtPainter::drawLine(painter, tval, pos.y() - pw2,
tval, pos.y() - len);
#endif
break;
}
}
QwtPainter::setMetricsMap(metricsMap); // restore metrics map
}
void ScaleDraw::drawBackbone(QPainter *painter) const
{
ScaleEngine *sc_engine = (ScaleEngine *)d_plot->axisScaleEngine(axis());
/*QwtScaleEngine *qwtsc_engine=d_plot->axisScaleEngine(axis());
ScaleEngine *sc_engine =dynamic_cast<ScaleEngine*>(qwtsc_engine);
if(sc_engine!=NULL)
{*/
if (!sc_engine->hasBreak()){
const int len = length();
const int bw = painter->pen().width();
const int bw2 = bw / 2;
QPoint pos = this->pos();
switch(alignment()){
case LeftScale:
QwtPainter::drawLine(painter, pos.x() - bw2,
pos.y(), pos.x() - bw2, pos.y() + len );
break;
case RightScale:
QwtPainter::drawLine(painter, pos.x() + bw2,
pos.y(), pos.x() + bw2, pos.y() + len);
break;
case TopScale:
QwtPainter::drawLine(painter, pos.x(), pos.y() - bw2,
pos.x() + len, pos.y() - bw2);
break;
case BottomScale:
QwtPainter::drawLine(painter, pos.x(), pos.y() + bw2,
pos.x() + len, pos.y() + bw2);
break;
}
return;
}
QwtScaleMap scaleMap = map();
const QwtMetricsMap metricsMap = QwtPainter::metricsMap();
QPoint pos = this->pos();
if ( !metricsMap.isIdentity() ){
QwtPainter::resetMetricsMap();
pos = metricsMap.layoutToDevice(pos);
if ( orientation() == Qt::Vertical ){
scaleMap.setPaintInterval(
metricsMap.layoutToDeviceY((int)scaleMap.p1()),
metricsMap.layoutToDeviceY((int)scaleMap.p2()));
} else {
scaleMap.setPaintInterval(
metricsMap.layoutToDeviceX((int)scaleMap.p1()),
metricsMap.layoutToDeviceX((int)scaleMap.p2()));
}
}
const int start = scaleMap.transform(sc_engine->axisBreakLeft());
const int end = scaleMap.transform(sc_engine->axisBreakRight());
int lb = start, rb = end;
if (sc_engine->testAttribute(QwtScaleEngine::Inverted)){
lb = end;
rb = start;
}
const int bw = painter->pen().width();
const int bw2 = bw / 2;
const int len = length() - 1;
int aux;
switch(alignment())
{
case LeftScale:
aux = pos.x() - bw2;
QwtPainter::drawLine(painter, aux, pos.y(), aux, rb);
QwtPainter::drawLine(painter, aux, lb + bw, aux, pos.y() + len);
break;
case RightScale:
aux = pos.x() + bw2;
QwtPainter::drawLine(painter, aux, pos.y(), aux, rb - bw - 1);
QwtPainter::drawLine(painter, aux, lb - bw2, aux, pos.y() + len);
break;
case TopScale:
aux = pos.y() - bw2;
QwtPainter::drawLine(painter, pos.x(), aux, lb - bw2, aux);
QwtPainter::drawLine(painter, rb + bw, aux, pos.x() + len, aux);
break;
case BottomScale:
aux = pos.y() + bw2;
QwtPainter::drawLine(painter, pos.x(), aux, lb - bw, aux);
QwtPainter::drawLine(painter, rb, aux, pos.x() + len, aux);
break;
}
//}
}
void ScaleDraw::drawInwardTick(QPainter *painter, double value, int len) const
{
ScaleEngine *sc_engine = (ScaleEngine *)d_plot->axisScaleEngine(axis());
if (sc_engine->hasBreak() && (sc_engine->axisBreakLeft() <= value && sc_engine->axisBreakRight() >= value))
return;
int pw2 = qwtMin((int)painter->pen().width(), len) / 2;
QwtScaleMap scaleMap = map();
const QwtMetricsMap metricsMap = QwtPainter::metricsMap();
QPoint pos = this->pos();
int majLen = tickLength(QwtScaleDiv::MajorTick);
if ( !metricsMap.isIdentity() ){
/*
The perfect position of the ticks is important.
To avoid rounding errors we have to use
device coordinates.
*/
QwtPainter::resetMetricsMap();
pos = metricsMap.layoutToDevice(pos);
if ( orientation() == Qt::Vertical ){
scaleMap.setPaintInterval(
metricsMap.layoutToDeviceY((int)scaleMap.p1()),
metricsMap.layoutToDeviceY((int)scaleMap.p2())
);
len = metricsMap.layoutToDeviceX(len);
majLen = metricsMap.layoutToDeviceX(majLen);
} else {
scaleMap.setPaintInterval(
metricsMap.layoutToDeviceX((int)scaleMap.p1()),
metricsMap.layoutToDeviceX((int)scaleMap.p2())
);
len = metricsMap.layoutToDeviceY(len);
majLen = metricsMap.layoutToDeviceY(majLen);
}
}
const int clw = d_plot->canvasLineWidth();
const int tval = scaleMap.transform(value);
bool draw = false;
if ( orientation() == Qt::Vertical ){
int low = (int)scaleMap.p2() + majLen;
int high = (int)scaleMap.p1() - majLen;
if ((tval > low && tval < high) ||
(tval > high && !d_plot->axisEnabled (QwtPlot::xBottom) && !clw) ||
(tval < low && !d_plot->axisEnabled(QwtPlot::xTop) && !clw)) draw = true;
} else {
int low = (int)scaleMap.p1() + majLen;
int high = (int)scaleMap.p2() - majLen;
if ((tval > low && tval < high) ||
(tval > high && !d_plot->axisEnabled(QwtPlot::yRight) && !clw) ||
(tval < low && !d_plot->axisEnabled(QwtPlot::yLeft) && !clw)) draw = true;
}
if (draw){
switch(alignment()){
case LeftScale:
{
QwtPainter::drawLine(painter, pos.x() + pw2, tval, pos.x() + len, tval);
break;
}
case RightScale:
{
QwtPainter::drawLine(painter, pos.x() - pw2, tval, pos.x() - len, tval);
break;
}
case BottomScale:
{
QwtPainter::drawLine(painter, tval, pos.y() - pw2, tval, pos.y() - len);
break;
}
case TopScale:
{
QwtPainter::drawLine(painter, tval, pos.y() + pw2, tval, pos.y() + len);
break;
}
}
}
QwtPainter::setMetricsMap(metricsMap); // restore metrics map
}
void QwtPieCurve::drawDisk(QPainter *painter, const QwtScaleMap &xMap,
const QwtScaleMap &yMap) const {
const double x_width = fabs(xMap.p1() - xMap.p2());
const double x_center =
(xMap.p1() + xMap.p2()) * 0.5 + d_horizontal_offset * 0.01 * x_width;
const double y_center = (yMap.p1() + yMap.p2()) * 0.5;
const double ray_x =
d_pie_ray * 0.005 * qMin(x_width, fabs(yMap.p1() - yMap.p2()));
const double view_angle_rad = d_view_angle * M_PI / 180.0;
const double ray_y = ray_x * sin(view_angle_rad);
const double thick = 0.01 * d_thickness * ray_x * cos(view_angle_rad);
QRectF pieRect;
pieRect.setX(x_center - ray_x);
pieRect.setY(y_center - ray_y);
pieRect.setWidth(2 * ray_x);
pieRect.setHeight(2 * ray_y);
QRectF pieRect2 = pieRect;
pieRect2.translate(0, thick);
painter->save();
painter->setPen(QwtPlotCurve::pen());
painter->setBrush(QBrush(color(0), QwtPlotCurve::brush().style()));
QPointF start(x_center + ray_x, y_center);
QPainterPath path(start);
path.lineTo(start.x(), start.y() + thick);
path.arcTo(pieRect2, 0, -180.0);
QPointF aux = path.currentPosition();
path.lineTo(aux.x(), aux.y() - thick);
path.arcTo(pieRect, -180.0, 180.0);
painter->drawPath(path);
painter->drawEllipse(pieRect);
if (d_texts_list.size() > 0) {
PieLabel *l = d_texts_list[0];
if (l) {
QString s;
if (d_auto_labeling) {
if (d_categories)
s += QString::number(d_table_rows[0]) + "\n";
if (d_values && d_percentages)
s += (static_cast<Plot *>(plot()))->locale().toString(y(0), 'g', 4) +
" (100%)";
else if (d_values)
s += (static_cast<Plot *>(plot()))->locale().toString(y(0), 'g', 4);
else if (d_percentages)
s += "100%";
l->setText(s);
if (l->isHidden())
l->show();
} else
l->setText(l->customText());
if (d_fixed_labels_pos) {
double a_deg = d_start_azimuth + 180.0;
if (a_deg > 360)
a_deg -= 360;
double a_rad = a_deg * M_PI / 180.0;
double rx = ray_x * (1 + 0.01 * d_edge_dist);
const double x = x_center + rx * cos(a_rad);
double ry = ray_y * (1 + 0.01 * d_edge_dist);
double y = y_center + ry * sin(a_rad);
if (a_deg > 0 && a_deg < 180)
y += thick;
double dx = xMap.invTransform(x - l->width() / 2);
double dy = yMap.invTransform(y - l->height() / 2);
l->setOriginCoord(dx, dy);
}
}
}
painter->restore();
}
void QwtPieCurve::drawSlices(QPainter *painter, const QwtScaleMap &xMap,
const QwtScaleMap &yMap, int from, int to) const {
const double x_width = fabs(xMap.p1() - xMap.p2());
const double x_center =
(xMap.p1() + xMap.p2()) * 0.5 + d_horizontal_offset * 0.01 * x_width;
const double y_center = (yMap.p1() + yMap.p2()) * 0.5;
const double ray_x =
d_pie_ray * 0.005 * qMin(x_width, fabs(yMap.p1() - yMap.p2()));
const double view_angle_rad = d_view_angle * M_PI / 180.0;
const double ray_y = ray_x * sin(view_angle_rad);
const double thick = 0.01 * d_thickness * ray_x * cos(view_angle_rad);
QRectF pieRect;
pieRect.setX(x_center - ray_x);
pieRect.setY(y_center - ray_y);
pieRect.setWidth(2 * ray_x);
pieRect.setHeight(2 * ray_y);
QRectF pieRect2 = pieRect;
pieRect2.translate(0, thick);
double sum = 0.0;
for (int i = from; i <= to; i++)
sum += y(i);
const int sign = d_counter_clockwise ? 1 : -1;
const int size = dataSize();
double *start_angle = new double[size];
double *end_angle = new double[size];
double aux_angle = d_start_azimuth;
for (int i = from; i <= to; i++) {
double a = -sign * y(i) / sum * 360.0;
start_angle[i] = aux_angle;
double end = aux_angle + a;
if (end >= 360)
end -= 360;
else if (end < 0)
end += 360;
end_angle[i] = end;
aux_angle = end;
}
int angle = (int)(5760 * d_start_azimuth / 360.0);
if (d_counter_clockwise)
angle = (int)(5760 * (1 - d_start_azimuth / 360.0));
painter->save();
QLocale locale = (static_cast<Plot *>(plot()))->locale();
for (int i = from; i <= to; i++) {
const double yi = y(i);
const double q = yi / sum;
const int value = (int)(q * 5760);
painter->setPen(QwtPlotCurve::pen());
painter->setBrush(QBrush(color(i), QwtPlotCurve::brush().style()));
double deg = q * 360;
double start_3D_view_angle = start_angle[i];
double end_3D_view_angle = end_angle[i];
if (d_counter_clockwise) {
start_3D_view_angle = end_angle[i];
end_3D_view_angle = start_angle[i];
}
bool draw3D = false;
if (deg <= 180 && start_3D_view_angle >= 0 && start_3D_view_angle < 180) {
if ((end_3D_view_angle > 180 &&
end_3D_view_angle > start_3D_view_angle)) {
deg = 180 - start_3D_view_angle;
end_3D_view_angle = 180.0;
}
draw3D = true;
} else if (start_3D_view_angle >= 180 &&
end_3D_view_angle < start_3D_view_angle) {
if (end_3D_view_angle > 180)
end_3D_view_angle = 180;
deg = end_3D_view_angle;
start_3D_view_angle = 0;
draw3D = true;
} else if (deg > 180 && start_3D_view_angle >= 180) {
deg = 180;
end_3D_view_angle = 180;
start_3D_view_angle = 0;
draw3D = true;
}
if (draw3D) {
double rad = start_3D_view_angle / 180.0 * M_PI;
QPointF start(x_center + ray_x * cos(rad), y_center + ray_y * sin(rad));
QPainterPath path(start);
path.lineTo(start.x(), start.y() + thick);
path.arcTo(pieRect2, -start_3D_view_angle, -deg);
QPointF aux = path.currentPosition();
path.lineTo(aux.x(), aux.y() - thick);
path.arcTo(pieRect, -end_3D_view_angle, deg);
painter->drawPath(path);
} else {
if (start_3D_view_angle >= 0 && start_3D_view_angle < 180) {
if (end_3D_view_angle > 180)
end_3D_view_angle = 0;
double rad = start_3D_view_angle / 180.0 * M_PI;
QPointF start(x_center + ray_x * cos(rad), y_center + ray_y * sin(rad));
QPainterPath path(start);
path.lineTo(start.x(), start.y() + thick);
deg = 180 - start_3D_view_angle;
path.arcTo(pieRect2, -start_3D_view_angle, -deg);
QPointF aux = path.currentPosition();
path.lineTo(aux.x(), aux.y() - thick);
path.arcTo(pieRect, -180, deg);
painter->drawPath(path);
path.moveTo(QPointF(x_center + ray_x, y_center));
aux = path.currentPosition();
path.lineTo(aux.x(), aux.y() + thick);
path.arcTo(pieRect2, 0, -end_3D_view_angle);
aux = path.currentPosition();
path.lineTo(aux.x(), aux.y() - thick);
path.arcTo(pieRect, -end_3D_view_angle, end_3D_view_angle);
painter->drawPath(path);
}
}
painter->drawPie(pieRect, sign * angle, sign * value);
angle += value;
if (i >= d_texts_list.size())
continue;
PieLabel *l = d_texts_list[i];
if (l) {
QString s;
if (d_auto_labeling) {
if (d_categories)
s += QString::number(d_table_rows[i]) + "\n";
if (d_values && d_percentages)
s += locale.toString(yi, 'g', 4) + " (" +
locale.toString(q * 100, 'g', 4) + "%)";
else if (d_values)
s += locale.toString(yi, 'g', 4);
else if (d_percentages)
s += locale.toString(q * 100, 'g', 4) + "%";
l->setText(s);
if (l->isHidden())
l->show();
} else
l->setText(l->customText());
if (d_fixed_labels_pos) {
double a_deg = start_angle[i] - sign * q * 180.0;
if (a_deg > 360)
a_deg -= 360.0;
double a_rad = a_deg * M_PI / 180.0;
double rx = ray_x * (1 + 0.01 * d_edge_dist);
const double x = x_center + rx * cos(a_rad);
double ry = ray_y * (1 + 0.01 * d_edge_dist);
double y = y_center + ry * sin(a_rad);
if (a_deg > 0 && a_deg < 180)
y += thick;
double dx = xMap.invTransform(x - l->width() / 2);
double dy = yMap.invTransform(y - l->height() / 2);
l->setOriginCoord(dx, dy);
}
}
}
painter->restore();
delete[] start_angle;
delete[] end_angle;
}