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perimeter_round_corners: keep clipper::mitter for first perimeter

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supermerill/superslicer#2046
This commit is contained in:
supermerill 2021-12-15 19:02:39 +01:00
parent b9e384519d
commit 773e059c39
1 changed files with 9 additions and 9 deletions
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18
src/libslic3r/PerimeterGenerator.cpp
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@ -492,15 +492,15 @@ void PerimeterGenerator::process()
next_onion = offset_ex( next_onion = offset_ex(
last, last,
-(float)(ext_perimeter_width / 2), -(float)(ext_perimeter_width / 2),
(round_peri ? ClipperLib::JoinType::jtRound : ClipperLib::JoinType::jtMiter), ClipperLib::JoinType::jtMiter,
(round_peri ? min_round_spacing : 3)); 3);
else else
next_onion = offset2_ex( next_onion = offset2_ex(
last, last,
-(float)(ext_perimeter_width / 2 + ext_min_spacing / 2 - 1), -(float)(ext_perimeter_width / 2 + ext_min_spacing / 2 - 1),
+(float)(ext_min_spacing / 2 - 1), +(float)(ext_min_spacing / 2 - 1),
(round_peri ? ClipperLib::JoinType::jtRound : ClipperLib::JoinType::jtMiter), ClipperLib::JoinType::jtMiter,
(round_peri ? min_round_spacing : 3)); 3);
// look for thin walls // look for thin walls
if (this->config->thin_walls) { if (this->config->thin_walls) {
@ -569,20 +569,20 @@ void PerimeterGenerator::process()
} }
} }
// use perimeters to extrude area that can't be printed by thin walls // use perimeters to extrude area that can't be printed by thin walls
// it's a bit like re-add thin area in to perimeter area. // it's a bit like re-add thin area into perimeter area.
// it can over-extrude a bit, but it's for a better good. // it can over-extrude a bit, but it's for a better good.
{ {
if (thin_perimeter) if (thin_perimeter)
next_onion = union_ex(next_onion, offset_ex(diff_ex(last, thins, true), next_onion = union_ex(next_onion, offset_ex(diff_ex(last, thins, true),
-(float)(ext_perimeter_width / 2), -(float)(ext_perimeter_width / 2),
(round_peri ? ClipperLib::JoinType::jtRound : ClipperLib::JoinType::jtMiter), ClipperLib::JoinType::jtMiter,
(round_peri ? min_round_spacing : 3))); 3));
else else
next_onion = union_ex(next_onion, offset2_ex(diff_ex(last, thins, true), next_onion = union_ex(next_onion, offset2_ex(diff_ex(last, thins, true),
-(float)((ext_perimeter_width / 2) + (ext_min_spacing / 4)), -(float)((ext_perimeter_width / 2) + (ext_min_spacing / 4)),
(float)(ext_min_spacing / 4), (float)(ext_min_spacing / 4),
(round_peri ? ClipperLib::JoinType::jtRound : ClipperLib::JoinType::jtMiter), ClipperLib::JoinType::jtMiter,
(round_peri ? min_round_spacing : 3))); 3));
next_onion = intersection_ex(next_onion, last); next_onion = intersection_ex(next_onion, last);
} }