renderer/shape: refine the circle draw commands.

Adjusted the path's start point to 90 degrees
to align the origin consistently with other path commands.

No compatibility issue, this only could affect the trimpath effects.
This commit is contained in:
Hermet Park 2024-01-08 23:03:48 +09:00
parent 74c04bc747
commit 16b9b940c8

View file

@ -130,11 +130,11 @@ Result Shape::appendCircle(float cx, float cy, float rx, float ry) noexcept
auto ryKappa = ry * PATH_KAPPA;
pImpl->grow(6, 13);
pImpl->moveTo(cx, cy - ry);
pImpl->cubicTo(cx + rxKappa, cy - ry, cx + rx, cy - ryKappa, cx + rx, cy);
pImpl->moveTo(cx + rx, cy);
pImpl->cubicTo(cx + rx, cy + ryKappa, cx + rxKappa, cy + ry, cx, cy + ry);
pImpl->cubicTo(cx - rxKappa, cy + ry, cx - rx, cy + ryKappa, cx - rx, cy);
pImpl->cubicTo(cx - rx, cy - ryKappa, cx - rxKappa, cy - ry, cx, cy - ry);
pImpl->cubicTo(cx + rxKappa, cy - ry, cx + rx, cy - ryKappa, cx + rx, cy);
pImpl->close();
return Result::Success;