c++ - Can I add padding to a QwtText object? -


i adding qwtplotmarker qwtplot using following code:

qwtplotmarker *tooltip = new qwtplotmarker(tr("tooltip"));  qwttext label("02/01/17\n06:00:00\nvoltage: 4.02"); qcolor blue(qcolor(30, 140, 220)); label.setcolor(blue); label.setborderpen(qpen(blue, 1)); label.setborderradius(5); label.setbackgroundbrush(qcolor(65, 177, 225, 50));  qfont font("ms shell dlg 2", 8); label.setfont(font);  tooltip->setlabel(label); tooltip->setlabelalignment(qt::aligncenter | qt::aligntop);     tooltip->attach(this);  this->replot();

where this points qwtplot object.

with code above i'm getting following result:

enter image description here

note in image letter v voltage overlapped border.

is possible add padding qwttext (or maybe qwtplotmarker!?), can result following one?

enter image description here

i'm using qt 5.3.2 , qwt 6.1.0.


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