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Code Issues Projects Releases Packages Wiki Activity Actions 5

renderer/shape: fixed a regression bug

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the bug was introduced in 9bf8bb018d.

Migrated the circle commands to the rectangle, which is currently necessary.
Retained the previous circle commands for backward compatibility.
This commit is contained in:
Hermet Park 2024-01-12 18:37:30 +09:00
parent 5d9f8c36a2
commit 4675b25d9a
1 changed files with 13 additions and 3 deletions
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16
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 + rx, cy);
pImpl->moveTo(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->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;
@ -217,7 +217,17 @@ Result Shape::appendRect(float x, float y, float w, float h, float rx, float ry)
pImpl->close();
//circle
} else if (mathEqual(rx, halfW) && mathEqual(ry, halfH)) {
return appendCircle(x + (w * 0.5f), y + (h * 0.5f), rx, ry);
auto rxKappa = rx * PATH_KAPPA;
auto ryKappa = ry * PATH_KAPPA;
auto cx = x + (w * 0.5f);
auto cy = y + (h * 0.5f);
pImpl->grow(6, 13);
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();
} else {
auto hrx = rx * PATH_KAPPA;
auto hry = ry * PATH_KAPPA;