kopia lustrzana https://github.com/inkstitch/inkstitch
129 wiersze
4.3 KiB
Python
129 wiersze
4.3 KiB
Python
import math
|
|
|
|
from shapely import geometry as shgeo
|
|
|
|
from ..i18n import _
|
|
from ..stitches import legacy_fill
|
|
from ..svg import PIXELS_PER_MM
|
|
from ..utils import cache
|
|
from .element import param, EmbroideryElement, Patch
|
|
|
|
|
|
class Fill(EmbroideryElement):
|
|
element_name = _("Fill")
|
|
|
|
def __init__(self, *args, **kwargs):
|
|
super(Fill, self).__init__(*args, **kwargs)
|
|
|
|
@property
|
|
@param('auto_fill',
|
|
_('Manually routed fill stitching'),
|
|
tooltip=_('AutoFill is the default method for generating fill stitching.'),
|
|
type='toggle',
|
|
inverse=True,
|
|
default=True)
|
|
def auto_fill(self):
|
|
return self.get_boolean_param('auto_fill', True)
|
|
|
|
@property
|
|
@param('angle',
|
|
_('Angle of lines of stitches'),
|
|
tooltip=_('The angle increases in a counter-clockwise direction. 0 is horizontal. Negative angles are allowed.'),
|
|
unit='deg',
|
|
type='float',
|
|
default=0)
|
|
@cache
|
|
def angle(self):
|
|
return math.radians(self.get_float_param('angle', 0))
|
|
|
|
@property
|
|
def color(self):
|
|
# SVG spec says the default fill is black
|
|
return self.get_style("fill", "#000000")
|
|
|
|
@property
|
|
@param(
|
|
'skip_last',
|
|
_('Skip last stitch in each row'),
|
|
tooltip=_('The last stitch in each row is quite close to the first stitch in the next row. '
|
|
'Skipping it decreases stitch count and density.'),
|
|
type='boolean',
|
|
default=False)
|
|
def skip_last(self):
|
|
return self.get_boolean_param("skip_last", False)
|
|
|
|
@property
|
|
@param(
|
|
'flip',
|
|
_('Flip fill (start right-to-left)'),
|
|
tooltip=_('The flip option can help you with routing your stitch path. '
|
|
'When you enable flip, stitching goes from right-to-left instead of left-to-right.'),
|
|
type='boolean',
|
|
default=False)
|
|
def flip(self):
|
|
return self.get_boolean_param("flip", False)
|
|
|
|
@property
|
|
@param('row_spacing_mm',
|
|
_('Spacing between rows'),
|
|
tooltip=_('Distance between rows of stitches.'),
|
|
unit='mm',
|
|
type='float',
|
|
default=0.25)
|
|
def row_spacing(self):
|
|
return max(self.get_float_param("row_spacing_mm", 0.25), 0.1 * PIXELS_PER_MM)
|
|
|
|
@property
|
|
def end_row_spacing(self):
|
|
return self.get_float_param("end_row_spacing_mm")
|
|
|
|
@property
|
|
@param('max_stitch_length_mm',
|
|
_('Maximum fill stitch length'),
|
|
tooltip=_('The length of each stitch in a row. Shorter stitch may be used at the start or end of a row.'),
|
|
unit='mm',
|
|
type='float',
|
|
default=3.0)
|
|
def max_stitch_length(self):
|
|
return max(self.get_float_param("max_stitch_length_mm", 3.0), 0.1 * PIXELS_PER_MM)
|
|
|
|
@property
|
|
@param('staggers',
|
|
_('Stagger rows this many times before repeating'),
|
|
tooltip=_('Setting this dictates how many rows apart the stitches will be before they fall in the same column position.'),
|
|
type='int',
|
|
default=4)
|
|
def staggers(self):
|
|
return self.get_int_param("staggers", 4)
|
|
|
|
@property
|
|
@cache
|
|
def paths(self):
|
|
return self.flatten(self.parse_path())
|
|
|
|
@property
|
|
@cache
|
|
def shape(self):
|
|
# shapely's idea of "holes" are to subtract everything in the second set
|
|
# from the first. So let's at least make sure the "first" thing is the
|
|
# biggest path.
|
|
paths = self.paths
|
|
paths.sort(key=lambda point_list: shgeo.Polygon(point_list).area, reverse=True)
|
|
polygon = shgeo.MultiPolygon([(paths[0], paths[1:])])
|
|
|
|
if not polygon.is_valid:
|
|
self.fatal(_("shape is not valid. This can happen if the border crosses over itself."))
|
|
|
|
return polygon
|
|
|
|
def to_patches(self, last_patch):
|
|
stitch_lists = legacy_fill(self.shape,
|
|
self.angle,
|
|
self.row_spacing,
|
|
self.end_row_spacing,
|
|
self.max_stitch_length,
|
|
self.flip,
|
|
self.staggers,
|
|
self.skip_last)
|
|
return [Patch(stitches=stitch_list, color=self.color) for stitch_list in stitch_lists]
|