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authorLex Neva <github.com@lexneva.name>2018-07-25 21:39:39 -0400
committerLex Neva <github.com@lexneva.name>2018-07-25 21:39:39 -0400
commit6c5e256d73500be4674e8778d80b12c5b6228335 (patch)
tree979795c683ae5dbf683cfe53c9eece4939955246 /lib/stitch_plan/stop.py
parent5b5188ef9918d196173a4a543532c497140e639c (diff)
parentd14880db5820ce2175bda7bbe761c21fd6c454d0 (diff)
Merge remote-tracking branch 'origin/master' into lexelby-mac-build-mk2
Diffstat (limited to 'lib/stitch_plan/stop.py')
-rw-r--r--lib/stitch_plan/stop.py43
1 files changed, 0 insertions, 43 deletions
diff --git a/lib/stitch_plan/stop.py b/lib/stitch_plan/stop.py
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--- a/lib/stitch_plan/stop.py
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-def process_stop(color_block):
- """Handle the "stop after" checkbox.
-
- The user wants the machine to pause after this patch. This can
- be useful for applique and similar on multi-needle machines that
- normally would not stop between colors.
-
- In machine embroidery files, there's no such thing as an actual
- "STOP" instruction. All that exists is a "color change" command
- (which libembroidery calls STOP just to be confusing).
-
- On multi-needle machines, the user assigns needles to the colors in
- the design before starting stitching. C01, C02, etc are normal
- needles, but C00 is special. For a block of stitches assigned
- to C00, the machine will continue sewing with the last color it
- had and pause after it completes the C00 block.
-
- That means we need to add an artificial color change instruction
- shortly before the current stitch so that the user can set that color
- block to C00. We'll go back 3 stitches and mark the start of the C00
- block:
- """
-
- if len(color_block.stitches) >= 3:
- # make a copy of the stitch and set it as a color change
- stitch = color_block.stitches[-3].copy()
- stitch.color_change = True
-
- # mark this stitch as a "stop" so that we can avoid
- # adding tie stitches in ties.py
- stitch.stop = True
-
- # insert it after the stitch
- color_block.stitches.insert(-2, stitch)
-
- # and also add a color change on this stitch, completing the C00
- # block:
-
- stitch = color_block.stitches[-1].copy()
- stitch.color_change = True
- color_block.add_stitch(stitch)
-
- # reference for the above: https://github.com/lexelby/inkstitch/pull/29#issuecomment-359175447