diff options
Diffstat (limited to 'lib/elements/satin_column.py')
| -rw-r--r-- | lib/elements/satin_column.py | 41 |
1 files changed, 35 insertions, 6 deletions
diff --git a/lib/elements/satin_column.py b/lib/elements/satin_column.py index 83080003..b944bee5 100644 --- a/lib/elements/satin_column.py +++ b/lib/elements/satin_column.py @@ -166,6 +166,11 @@ class SatinColumn(EmbroideryElement): return max(self.get_float_param("center_walk_underlay_stitch_length_mm", 1.5), 0.01) @property + @param('center_walk_underlay_repeats', _('Repeats'), group=_('Center-Walk Underlay'), type='int', default=2, sort_index=2) + def center_walk_underlay_repeats(self): + return max(self.get_int_param("center_walk_underlay_repeats", 2), 1) + + @property @param('zigzag_underlay', _('Zig-zag underlay'), type='toggle', group=_('Zig-zag Underlay')) def zigzag_underlay(self): return self.get_boolean_param("zigzag_underlay") @@ -432,6 +437,9 @@ class SatinColumn(EmbroideryElement): if not self.to_stitch_groups(): yield NotStitchableError(self.shape.centroid) + def _center_walk_is_odd(self): + return self.center_walk_underlay_repeats % 2 == 1 + def reverse(self): """Return a new SatinColumn like this one but in the opposite direction. @@ -736,24 +744,34 @@ class SatinColumn(EmbroideryElement): def do_contour_underlay(self): # "contour walk" underlay: do stitches up one side and down the # other. - forward, back = self.plot_points_on_rails(self.contour_underlay_stitch_length, - -self.contour_underlay_inset) + forward, back = self.plot_points_on_rails(self.contour_underlay_stitch_length, -self.contour_underlay_inset) + stitches = (forward + list(reversed(back))) + if self._center_walk_is_odd(): + stitches = (list(reversed(back)) + forward) + return StitchGroup( color=self.color, tags=("satin_column", "satin_column_underlay", "satin_contour_underlay"), - stitches=(forward + list(reversed(back)))) + stitches=stitches) def do_center_walk(self): # Center walk underlay is just a running stitch down and back on the # center line between the bezier curves. # Do it like contour underlay, but inset all the way to the center. - forward, back = self.plot_points_on_rails(self.center_walk_underlay_stitch_length, - -100000) + forward, back = self.plot_points_on_rails(self.center_walk_underlay_stitch_length, -100000) + + stitches = [] + for i in range(self.center_walk_underlay_repeats): + if i % 2 == 0: + stitches += forward + else: + stitches += list(reversed(back)) + return StitchGroup( color=self.color, tags=("satin_column", "satin_column_underlay", "satin_center_walk"), - stitches=(forward + list(reversed(back)))) + stitches=stitches) def do_zigzag_underlay(self): # zigzag underlay, usually done at a much lower density than the @@ -771,6 +789,9 @@ class SatinColumn(EmbroideryElement): sides = self.plot_points_on_rails(self.zigzag_underlay_spacing / 2.0, -self.zigzag_underlay_inset) + if self._center_walk_is_odd(): + sides = [list(reversed(sides[0])), list(reversed(sides[1]))] + # This organizes the points in each side in the order that they'll be # visited. sides = [sides[0][::2] + list(reversed(sides[0][1::2])), @@ -811,6 +832,9 @@ class SatinColumn(EmbroideryElement): for point in chain.from_iterable(zip(*sides)): patch.add_stitch(point) + if self._center_walk_is_odd(): + patch.stitches = list(reversed(patch.stitches)) + patch.add_tags(("satin_column", "satin_column_edge")) return patch @@ -833,6 +857,9 @@ class SatinColumn(EmbroideryElement): patch.add_stitch(right) patch.add_stitch(left) + if self._center_walk_is_odd(): + patch.stitches = list(reversed(patch.stitches)) + patch.add_tags(("satin_column", "e_stitch")) return patch @@ -857,6 +884,8 @@ class SatinColumn(EmbroideryElement): for point in points: patch.add_stitch(point) patch.stitches[-1].add_tags(("satin_column", "satin_split_stitch")) + if self._center_walk_is_odd(): + patch.stitches = list(reversed(patch.stitches)) return patch def _get_split_points(self, left, right, max_stitch_length, count=None): |