diff options
Diffstat (limited to 'embroider.py')
| -rw-r--r-- | embroider.py | 42 |
1 files changed, 34 insertions, 8 deletions
diff --git a/embroider.py b/embroider.py index cad82bc2..7e121f63 100644 --- a/embroider.py +++ b/embroider.py @@ -24,6 +24,7 @@ import os import subprocess from copy import deepcopy import time +from itertools import chain, izip import inkex import simplepath import simplestyle @@ -1207,6 +1208,9 @@ class Embroider(inkex.Effect): underlay_inset = get_float_param(node, "satin_underlay_inset", 0) underlay_stitch_len_px = get_float_param(node, "stitch_length", self.running_stitch_len_px) underlay = get_boolean_param(node, "satin_underlay", False) + center_walk = get_boolean_param(node, "satin_center_walk", False) + zigzag_underlay_spacing = get_float_param(node, "satin_zigzag_underlay_spacing", 0) + zigzag_underlay_inset = underlay_inset / 2.0 # A path is a collection of tuples, each of the form: # @@ -1390,18 +1394,40 @@ class Embroider(inkex.Effect): add_satin_stitch(end1, end2) - return zigs, zags + return [zigs, zags] - if underlay: - forward, back = calculate_satin(underlay_stitch_len_px, -underlay_inset) + def calculate_underlay(inset): + forward, back = calculate_satin(underlay_stitch_len_px, -inset) + return Patch(color=threadcolor, sortorder=sortorder, stitches=(forward + list(reversed(back)))) + + def satin_to_patch(zigzag_spacing, pull_compensation, reverse=False): + patch = Patch(color=threadcolor, sortorder=sortorder) + + sides = calculate_satin(zigzag_spacing, pull_compensation) + + if reverse: + sides.reverse() + + for point in chain.from_iterable(izip(*sides)): + patch.addStitch(point) - patch = Patch(color=threadcolor, sortorder=sortorder, stitches=(forward + list(reversed(back)))) + if reverse: + patch = patch.reverse() + + return patch + + if center_walk: + # inset will be clamped to the center point between the stitches + patch += calculate_underlay(10000) + + if underlay: + patch += calculate_underlay(underlay_inset) - left_points, right_points = calculate_satin(zigzag_spacing_px, pull_compensation_px) + if zigzag_underlay_spacing: + patch += satin_to_patch(zigzag_underlay_spacing, -zigzag_underlay_inset) + patch += satin_to_patch(zigzag_underlay_spacing, -zigzag_underlay_inset, reverse=True) - for i in xrange(len(left_points)): - patch.addStitch(left_points[i]) - patch.addStitch(right_points[i]) + patch += satin_to_patch(zigzag_spacing_px, pull_compensation_px) return [patch] |