diff options
Diffstat (limited to 'lib/elements/satin_column.py')
| -rw-r--r-- | lib/elements/satin_column.py | 38 |
1 files changed, 5 insertions, 33 deletions
diff --git a/lib/elements/satin_column.py b/lib/elements/satin_column.py index c031f229..dd04b507 100644 --- a/lib/elements/satin_column.py +++ b/lib/elements/satin_column.py @@ -20,7 +20,7 @@ from ..metadata import InkStitchMetadata from ..stitch_plan import StitchGroup from ..stitches import running_stitch from ..svg import line_strings_to_csp, point_lists_to_csp -from ..utils import Point, cache, cut, cut_multiple, prng +from ..utils import Point, cache, cut, cut_multiple, offset_points, prng from ..utils.param import ParamOption from ..utils.threading import check_stop_flag from .element import PIXELS_PER_MM, EmbroideryElement, param @@ -260,7 +260,7 @@ class SatinColumn(EmbroideryElement): 'pull_compensation_percent', _('Pull compensation percentage'), tooltip=_('Additional pull compensation which varies as a percentage of stitch width. ' - 'Two values separated by a space may be used for an aysmmetric effect.'), + 'Two values separated by a space may be used for an asymmetric effect.'), unit=_('% (each side)'), type='float', default=0, @@ -276,7 +276,7 @@ class SatinColumn(EmbroideryElement): _('Pull compensation'), tooltip=_('Satin stitches pull the fabric together, resulting in a column narrower than you draw in Inkscape. ' 'This setting expands each pair of needle penetrations outward from the center of the satin column by a fixed length. ' - 'Two values separated by a space may be used for an aysmmetric effect.'), + 'Two values separated by a space may be used for an asymmetric effect.'), unit=_('mm (each side)'), type='float', default=0, @@ -1015,34 +1015,6 @@ class SatinColumn(EmbroideryElement): center_walk = [center_walk[0], center_walk[0]] return shgeo.LineString(center_walk) - def offset_points(self, pos1, pos2, offset_px, offset_proportional): - # Expand or contract two points about their midpoint. This is - # useful for pull compensation and insetting underlay. - - distance = (pos1 - pos2).length() - - if distance < 0.0001: - # if they're the same point, we don't know which direction - # to offset in, so we have to just return the points - return pos1, pos2 - - # calculate the offset for each side - offset_a = offset_px[0] + (distance * offset_proportional[0]) - offset_b = offset_px[1] + (distance * offset_proportional[1]) - offset_total = offset_a + offset_b - - # don't contract beyond the midpoint, or we'll start expanding - if offset_total < -distance: - scale = -distance / offset_total - offset_a = offset_a * scale - offset_b = offset_b * scale - - # convert offset to float before using because it may be a numpy.float64 - out1 = pos1 + (pos1 - pos2).unit() * float(offset_a) - out2 = pos2 + (pos2 - pos1).unit() * float(offset_b) - - return out1, out2 - def _stitch_distance(self, pos0, pos1, previous_pos0, previous_pos1): """Return the distance from one stitch to the next.""" @@ -1567,7 +1539,7 @@ class SatinColumn(EmbroideryElement): offset_px[0] = -inset_px if b.distance(pairs[i-1][1]) < min_dist: offset_px[1] = -inset_px - shortened.append(self.offset_points(a, b, offset_px, (0, 0))) + shortened.append(offset_points(a, b, offset_px, (0, 0))) return shortened def _get_inset_point(self, point1, point2, distance_fraction): @@ -1656,7 +1628,7 @@ class SatinProcessor: else: offset_prop = self.offset_proportional - a, b = self.satin.offset_points(pos0, pos1, self.offset_px, offset_prop) + a, b = offset_points(pos0, pos1, self.offset_px, offset_prop) return a, b def get_stitch_spacing_multiple(self): |