diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/gui/painting/qdrawhelper_p.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/gui/painting/qdrawhelper_p.h b/src/gui/painting/qdrawhelper_p.h index 482a2da206e..eeef60d793b 100644 --- a/src/gui/painting/qdrawhelper_p.h +++ b/src/gui/painting/qdrawhelper_p.h @@ -432,7 +432,11 @@ const BlendType * QT_FASTCALL qt_fetch_radial_gradient_template(BlendType *buffe qreal delta_det = (b_delta_b + delta_bb + 4 * op->radial.a * (rx_plus_ry + delta_rxrxryry)) * inv_a; const qreal delta_delta_det = (delta_b_delta_b + 4 * op->radial.a * delta_rx_plus_ry) * inv_a; - RadialFetchFunc::fetch(buffer, end, op, data, det, delta_det, delta_delta_det, b, delta_b); + if (std::isfinite(float(det)) && std::isfinite(float(delta_det)) + && std::isfinite(float(delta_delta_det))) + RadialFetchFunc::fetch(buffer, end, op, data, det, delta_det, delta_delta_det, b, delta_b); + else + RadialFetchFunc::memfill(buffer, RadialFetchFunc::null(), length); } else { qreal rw = data->m23 * (y + qreal(0.5)) + data->m33 + data->m13 * (x + qreal(0.5)); |