diff options
Diffstat (limited to 'lib/elements/satin_column.py')
| -rw-r--r-- | lib/elements/satin_column.py | 71 |
1 files changed, 65 insertions, 6 deletions
diff --git a/lib/elements/satin_column.py b/lib/elements/satin_column.py index 2ceb38de..834509fd 100644 --- a/lib/elements/satin_column.py +++ b/lib/elements/satin_column.py @@ -17,18 +17,34 @@ class SatinColumn(EmbroideryElement): def satin_column(self): return self.get_boolean_param("satin_column") + # I18N: "E" stitch is so named because it looks like the letter E. + @property + @param('e_stitch', _('"E" stitch'), type='boolean', default='false') + def e_stitch(self): + return self.get_boolean_param("e_stitch") + @property def color(self): return self.get_style("stroke") @property - @param('zigzag_spacing_mm', _('Zig-zag spacing (peak-to-peak)'), unit='mm', type='float', default=0.4) + @param('zigzag_spacing_mm', + _('Zig-zag spacing (peak-to-peak)'), + tooltip=_('Peak-to-peak distance between zig-zags.'), + unit='mm', + type='float', + default=0.4) def zigzag_spacing(self): # peak-to-peak distance between zigzags return max(self.get_float_param("zigzag_spacing_mm", 0.4), 0.01) @property - @param('pull_compensation_mm', _('Pull compensation'), unit='mm', type='float') + @param('pull_compensation_mm', + _('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.'), + unit='mm', + type='float', + default=0) def pull_compensation(self): # In satin stitch, the stitches have a tendency to pull together and # narrow the entire column. We can compensate for this by stitching @@ -48,7 +64,13 @@ class SatinColumn(EmbroideryElement): return max(self.get_float_param("contour_underlay_stitch_length_mm", 1.5), 0.01) @property - @param('contour_underlay_inset_mm', _('Contour underlay inset amount'), unit='mm', group=_('Contour Underlay'), type='float', default=0.4) + @param('contour_underlay_inset_mm', + _('Contour underlay inset amount'), + tooltip=_('Shrink the outline, to prevent the underlay from showing around the outside of the satin column.'), + unit='mm', + group=_('Contour Underlay'), + type='float', + default=0.4) def contour_underlay_inset(self): # how far inside the edge of the column to stitch the underlay return self.get_float_param("contour_underlay_inset_mm", 0.4) @@ -71,12 +93,24 @@ class SatinColumn(EmbroideryElement): return self.get_boolean_param("zigzag_underlay") @property - @param('zigzag_underlay_spacing_mm', _('Zig-Zag spacing (peak-to-peak)'), unit='mm', group=_('Zig-zag Underlay'), type='float', default=3) + @param('zigzag_underlay_spacing_mm', + _('Zig-Zag spacing (peak-to-peak)'), + tooltip=_('Distance between peaks of the zig-zags.'), + unit='mm', + group=_('Zig-zag Underlay'), + type='float', + default=3) def zigzag_underlay_spacing(self): return max(self.get_float_param("zigzag_underlay_spacing_mm", 3), 0.01) @property - @param('zigzag_underlay_inset_mm', _('Inset amount (default: half of contour underlay inset)'), unit='mm', group=_('Zig-zag Underlay'), type='float') + @param('zigzag_underlay_inset_mm', + _('Inset amount'), + tooltip=_('default: half of contour underlay inset'), + unit='mm', + group=_('Zig-zag Underlay'), + type='float', + default="") def zigzag_underlay_inset(self): # how far in from the edge of the satin the points in the zigzags # should be @@ -388,6 +422,28 @@ class SatinColumn(EmbroideryElement): return patch + def do_e_stitch(self): + # e stitch: do a pattern that looks like the letter "E". It looks like + # this: + # + # _|_|_|_|_|_|_|_|_|_|_|_| + + # print >> dbg, "satin", self.zigzag_spacing, self.pull_compensation + + patch = Patch(color=self.color) + + sides = self.walk_paths(self.zigzag_spacing, self.pull_compensation) + + # "left" and "right" here are kind of arbitrary designations meaning + # a point from the first and second rail repectively + for left, right in izip(*sides): + patch.add_stitch(left) + patch.add_stitch(right) + patch.add_stitch(left) + + return patch + + def to_patches(self, last_patch): # Stitch a variable-width satin column, zig-zagging between two paths. @@ -411,6 +467,9 @@ class SatinColumn(EmbroideryElement): # zigzags sit on the contour walk underlay like rail ties on rails. patches.append(self.do_zigzag_underlay()) - patches.append(self.do_satin()) + if self.e_stitch: + patches.append(self.do_e_stitch()) + else: + patches.append(self.do_satin()) return patches |