make ripple stitch use even stitching when not staggering or randomizing.

lib/elements/stroke.py

@@ -227,10 +227,11 @@ class Stroke(EmbroideryElement):
            _('Stagger lines this many times before repeating'),
            tooltip=_('Length of the cycle by which successive stitch lines are staggered. '
                      'Fractional values are allowed and can have less visible diagonals than integer values. '
+                     'A value of 0 (default) disables staggering and instead stitches evenly.'
                      'For linear ripples only.'),
            type='int',
            select_items=[('stroke_method', 'ripple_stitch')],
-           default=1,
+           default=0,
            sort_index=9)
     def staggers(self):
         return self.get_float_param("staggers", 1)

lib/stitches/ripple_stitch.py

@@ -11,7 +11,7 @@ from ..utils import prng
 from ..utils.geometry import line_string_to_point_list
 from ..utils.threading import check_stop_flag
 from .guided_fill import apply_stitches
-from .running_stitch import even_running_stitch, random_running_stitch, running_stitch
+from .running_stitch import even_running_stitch, running_stitch
 
 
 def ripple_stitch(stroke):
@@ -77,14 +77,13 @@ def _get_staggered_stitches(stroke, lines, skip_start):
         elif stroke.join_style == 1:
             should_reverse = (i + skip_start) % 2 == 1
 
-        if enable_random:
-            min_length = max(stitch_length - length_delta, 0)
-            max_length = stitch_length + length_delta
+        if enable_random or stroke.staggers == 0:
             if should_reverse:
                 line.reverse()
-            points = random_running_stitch(line, min_length, max_length, tolerance, prng.join_args(random_seed, i))
+            points = running_stitch(line, stitch_length, tolerance, enable_random, length_delta, prng.join_args(random_seed, i))
             stitched_line = connector + points
         else:
+            # uses the guided fill alforithm to stagger rows of stitches
             points = list(apply_stitches(LineString(line), stitch_length, stroke.staggers, 0.5, i, tolerance).coords)
             stitched_line = [InkstitchPoint(*point) for point in points]
             if should_reverse: