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RS_Snapper::drawSnapper

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ravas

Oct 17, 2015; 5:55pm

RS_Snapper::drawSnapper

870 posts

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
}
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dxli

Oct 17, 2015; 7:05pm

Re: RS_Snapper::drawSnapper

2004 posts

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
}
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ravas

Oct 17, 2015; 7:17pm

Re: RS_Snapper::drawSnapper

870 posts

Maybe we don't need it anymore.
When I comment out that block nothing seems to change.
And we have:

// Circle to show snap area
RS_Circle *circle=new RS_Circle(nullptr, RS_CircleData(snapCoord, 4/graphicView->getFactor().x));
circle->setPen(circle_pen);

container->addEntity(circle);