void
TracingItem::setStroke(Chart::Style, QColor color, bool)
{
const QColor black(Qt::black);
const QPen outline(black);
QColor alphaColor(color);
QColor darkColor;
darkColor = color.darker(180);
alphaColor.setAlpha(196);
QBrush alphaBrush(alphaColor);
my.pointCurve->setLegendColor(color);
my.spanSymbol->setWidth(6);
my.spanSymbol->setBrush(alphaBrush);
my.spanSymbol->setPen(outline);
my.dropSymbol->setWidth(1);
my.dropSymbol->setBrush(Qt::NoBrush);
my.dropSymbol->setPen(outline);
my.pointSymbol->setSize(8);
my.pointSymbol->setColor(color);
my.pointSymbol->setPen(outline);
my.selectionSymbol->setSize(8);
my.selectionSymbol->setColor(color.dark(180));
my.selectionSymbol->setPen(outline);
}
QPixmap BrushStyle::getSample(qreal scale, qreal alpha, bool selected, const QColor &color, bool emptyBackground)
{
QPixmap backgroundPixmap( (selected) ? BRUSH_SAMPLE_SELECTED_BG : BRUSH_SAMPLE_BACKGROUND);
if (emptyBackground)
backgroundPixmap.fill(Qt::transparent);
// Scale the sample
QSizeF pointSize(BRUSH_SAMPLE_SIDE, BRUSH_SAMPLE_SIDE);
if (scale != 1.0)
{
pointSize.setWidth(pointSize.width() * scale);
pointSize.setHeight(pointSize.height() * scale);
}
// Apply color and alpha
QColor alphaColor(Qt::black);
if (color.isValid())
alphaColor = color;
if (alpha != 1.0)
alphaColor.setAlphaF(alpha);
// Draw sample in the middle of background
QPainter painter(&backgroundPixmap);
painter.setRenderHint(QPainter::Antialiasing);
QRectF pointRect(QPointF(0, 0), pointSize);
pointRect.moveTo(backgroundPixmap.width() / 2 - pointSize.width() / 2, backgroundPixmap.height() / 2 - pointSize.height() / 2);
if (color.isValid() && color.value() > 210 && color.saturation() < 50)
painter.setPen("#d0d0d0");
else
painter.setPen(Qt::NoPen);
painter.setBrush(alphaColor);
painter.drawEllipse(pointRect);
painter.end();
return backgroundPixmap;
}
