Re: RS_Snapper::drawSnapper
Posted by
dxli on
URL: https://forum.librecad.org/RS-Snapper-drawSnapper-tp5712450p5712451.html
our ugly way of drawing a small circle around the the snap spot.
it's actually a square with side size of 5*sqrt(2)
ravas wrote
What is this for
if (snapCoord.valid && snapCoord!=snapSpot)
{
RS_OverlayLine *line=new RS_OverlayLine(nullptr,
{graphicView->toGui(snapSpot)+RS_Vector{-5.,0.},
graphicView->toGui(snapSpot)+RS_Vector{-1.,4.}});
line->setPen(line_pen);
container->addEntity(line);
line=new RS_OverlayLine(nullptr,
{graphicView->toGui(snapSpot)+RS_Vector{0.,5.},
graphicView->toGui(snapSpot)+RS_Vector{4.,1.}});
line->setPen(line_pen);
container->addEntity(line);
line=new RS_OverlayLine(nullptr,
{graphicView->toGui(snapSpot)+RS_Vector{5.,0.},
graphicView->toGui(snapSpot)+RS_Vector{1.,-4.}});
line->setPen(line_pen);
container->addEntity(line);
line=new RS_OverlayLine(nullptr,
{graphicView->toGui(snapSpot)+RS_Vector{0.,-5.},
graphicView->toGui(snapSpot)+RS_Vector{-4.,-1.}});
line->setPen(line_pen);
container->addEntity(line);
graphicView->redraw(RS2::RedrawOverlay); // redraw will happen in the mouse movement event
}