Legend icon not scaled with renderLegend

Hi,
I am rendering a QwtPlot on a pixmap using QwtPlotRenderer and a painter with painter.scale(8,8).
The whole plot is scaled correctly including the line on the plot and the legend text, but the legend line/icon is not scaled up.
The QwtPlotCurve pen is set to a width of 3.

Code:

---

const int scale = 8;
QPixmap pixmap(width*scale, height*scale);
QPainter painter(&pixmap);
painter.scale(scale,scale);
QRect rect(0,0,width,height);
QwtPlotRenderer rend;
rend.render(plot, &painter, rect);
pixmap.save("pixmap.png");

---

I am using Qwt-6.1.0.
/Claus

Hi,

it works for me (Qwt 6.3.0 from trunk) (see attached screenshot).

Please check if your pen has the cosmetic property set - in my case I specifically disable the cosmetic pen property when exporting the diagram to bitmap/vector.

Attachment 12857

Recently I made a couple of fixes around pens and scaling of pens. Most of them went in all branches >= 6.2.
We also crossed a bug in the PDF engine, that should be fixed with Qt 5.11.1 ( see https://bugreports.qt.io/browse/QTBUG-68537 ).

Uwe