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renderer/shape: refine the circle draw commands.

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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 • committed by Hermet Park
parent 2954353fac
commit 9bf8bb018d
1 changed files with 2 additions and 2 deletions
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4
src/renderer/tvgShape.cpp
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@ -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;