/*!
\return the font of a marker
*/
QFont QwtPlot::markerFont(long key) const
{
QwtPlotMarker *m = d_markers->find(key);
if (m)
return m->font();
else
return QFont();
}
/*!
Change color and fonts of a plot
\sa QwtPlotPrintFilter::apply
*/
void QwtPlotPrintFilter::apply(QwtPlot *plot) const
{
QwtPlotPrintFilter *that = (QwtPlotPrintFilter *)this;
delete that->d_cache;
that->d_cache = new QwtPlotPrintFilterCache;
QwtPlotPrintFilterCache &cache = *that->d_cache;
if ( plot->d_lblTitle )
{
QPalette palette = plot->d_lblTitle->palette();
cache.titleColor = palette.color(
QPalette::Active, QColorGroup::Foreground);
palette.setColor(QPalette::Active, QColorGroup::Foreground,
color(cache.titleColor, Title));
plot->d_lblTitle->setPalette(palette);
cache.titleFont = plot->d_lblTitle->font();
plot->d_lblTitle->setFont(font(cache.titleFont, Title));
}
if ( plot->d_legend )
{
QIntDictIterator<QWidget> it = plot->d_legend->itemIterator();
for ( QWidget *w = it.toFirst(); w != 0; w = ++it)
{
const int key = it.currentKey();
cache.legendFonts.insert(it.currentKey(), new QFont(w->font()));
w->setFont(font(w->font(), Legend, key));
if ( w->inherits("QwtLegendButton") )
{
QwtLegendButton *btn = (QwtLegendButton *)w;
QwtSymbol symbol = btn->symbol();
QPen pen = symbol.pen();
QBrush brush = symbol.brush();
pen.setColor(color(pen.color(), CurveSymbol, key));
brush.setColor(color(brush.color(), CurveSymbol, key));
symbol.setPen(pen);
symbol.setBrush(brush);
btn->setSymbol(symbol);
pen = btn->curvePen();
pen.setColor(color(pen.color(), Curve, key));
btn->setCurvePen(pen);
}
}
}
for ( int axis = 0; axis < QwtPlot::axisCnt; axis++ )
{
QwtScale *scale = plot->d_scale[axis];
if ( scale )
{
cache.scaleColor[axis] = scale->palette().color(
QPalette::Active, QColorGroup::Foreground);
QPalette palette = scale->palette();
palette.setColor(QPalette::Active, QColorGroup::Foreground,
color(cache.scaleColor[axis], AxisScale, axis));
scale->setPalette(palette);
cache.scaleFont[axis] = scale->font();
scale->setFont(font(cache.scaleFont[axis], AxisScale, axis));
cache.scaleTitleColor[axis] = scale->titleColor();
scale->setTitleColor(
color(cache.scaleTitleColor[axis], AxisTitle, axis));
cache.scaleTitleFont[axis] = scale->titleFont();
scale->setTitleFont(
font(cache.scaleTitleFont[axis], AxisTitle, axis));
int startDist, endDist;
scale->minBorderDist(startDist, endDist);
scale->setBorderDist(startDist, endDist);
}
}
cache.widgetBackground = plot->backgroundColor();
plot->setBackgroundColor(color(cache.widgetBackground, WidgetBackground));
cache.canvasBackground = plot->canvasBackground();
plot->setCanvasBackground(color(cache.canvasBackground, CanvasBackground));
QPen pen = plot->d_grid->majPen();
cache.gridColors[0] = pen.color();
pen.setColor(color(pen.color(), MajorGrid));
plot->d_grid->setMajPen(pen);
pen = plot->d_grid->minPen();
cache.gridColors[1] = pen.color();
pen.setColor(color(pen.color(), MinorGrid));
plot->d_grid->setMinPen(pen);
QIntDictIterator<QwtPlotCurve> itc(*plot->d_curves);
for (QwtPlotCurve *c = itc.toFirst(); c != 0; c = ++itc )
{
const int key = itc.currentKey();
QwtSymbol symbol = c->symbol();
QPen pen = symbol.pen();
cache.curveSymbolPenColors.insert(key, new QColor(pen.color()));
pen.setColor(color(pen.color(), CurveSymbol, key));
symbol.setPen(pen);
QBrush brush = symbol.brush();
cache.curveSymbolBrushColors.insert(key, new QColor(brush.color()));
brush.setColor(color(brush.color(), CurveSymbol, key));
symbol.setBrush(brush);
c->setSymbol(symbol);
pen = c->pen();
cache.curveColors.insert(key, new QColor(pen.color()));
pen.setColor(color(pen.color(), Curve, key));
c->setPen(pen);
}
QIntDictIterator<QwtPlotMarker> itm(*plot->d_markers);
for (QwtPlotMarker *m = itm.toFirst(); m != 0; m = ++itm )
{
const int key = itm.currentKey();
cache.markerFonts.insert(key, new QFont(m->font()));
m->setFont(font(m->font(), Marker, key));
QPen pen = m->labelPen();
cache.markerLabelColors.insert(key, new QColor(pen.color()));
pen.setColor(color(pen.color(), Marker, key));
m->setLabelPen(pen);
pen = m->linePen();
cache.markerLineColors.insert(key, new QColor(pen.color()));
pen.setColor(color(pen.color(), Marker, key));
m->setLinePen(pen);
QwtSymbol symbol = m->symbol();
pen = symbol.pen();
cache.markerSymbolPenColors.insert(key, new QColor(pen.color()));
pen.setColor(color(pen.color(), MarkerSymbol, key));
symbol.setPen(pen);
QBrush brush = symbol.brush();
cache.markerSymbolBrushColors.insert(key, new QColor(brush.color()));
brush.setColor(color(brush.color(), MarkerSymbol, key));
symbol.setBrush(brush);
m->setSymbol(symbol);
}
}
