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LibGfx: Fix elliptical arcs after non orientation preserving transform
That is flipping/reflecting the arc.
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1 changed files with 4 additions and 3 deletions
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@ -347,15 +347,16 @@ Path Path::copy_transformed(Gfx::AffineTransform const& transform) const
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}
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case Segment::Type::EllipticalArcTo: {
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auto const& arc_segment = static_cast<EllipticalArcSegment const&>(*segment);
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auto det_negative = transform.determinant() < 0;
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result.elliptical_arc_to(
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transform.map(segment->point()),
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transform.map(arc_segment.center()),
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transform.map(arc_segment.radii()),
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arc_segment.x_axis_rotation() + transform.rotation(),
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arc_segment.theta_1(),
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arc_segment.theta_delta(),
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det_negative ? AK::Pi<float> * 2 - arc_segment.theta_1() : arc_segment.theta_1(),
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det_negative ? -arc_segment.theta_delta() : arc_segment.theta_delta(),
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arc_segment.large_arc(),
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arc_segment.sweep());
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det_negative ? !arc_segment.sweep() : arc_segment.sweep());
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break;
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}
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case Segment::Type::Invalid:
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