Fix #119055: GPv3: Set end caps correctly with hard eraser #119151
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Pratik Borhade
Amélie Fondevilla
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Reference: blender/blender#119151
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Delete Branch "LukasTonne/blender:fix-gp3-eraser-end-caps"
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The hard eraser changes end caps to "flat" when cutting strokes. This
requires detecting when the start or end points of a stroke have been
cut.
The previous method relied on checking the next curve's start point for
cuts to determine end point cuts, but this only holds true for cutting
strokes in the middle. When only the start point is cut the preceding
curve should not be affected.
The new test uses local properties of the
PointTransferDatato detectunchanged source curve end points, instead of doing a look-ahead for the
next curve. This works using the source point indices, which are
inverted for end points. Combined with checking for the
is_cutflagthis gives a reliable answer to when a stroke end point is cut.
@blender-bot build
Works correctly :D
I read/debug this code yesterday so I think all cases are handled now
@blender-bot build
Looks good to me.
Thank you for finding and fixing this issue !