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-rw-r--r--lib/svg/svg.py128
1 files changed, 15 insertions, 113 deletions
diff --git a/lib/svg/svg.py b/lib/svg/svg.py
index 3fceebfb..464a2a18 100644
--- a/lib/svg/svg.py
+++ b/lib/svg/svg.py
@@ -1,124 +1,26 @@
-import inkex
-import simplestyle
-import simpletransform
+from inkex import etree
-from ..i18n import _
from ..utils import cache
-from .realistic_rendering import realistic_stitch, realistic_filter
-from .tags import SVG_GROUP_TAG, INKSCAPE_LABEL, INKSCAPE_GROUPMODE, SVG_PATH_TAG, SVG_DEFS_TAG
-from .units import get_viewbox_transform
-
-
-def color_block_to_point_lists(color_block):
- point_lists = [[]]
-
- for stitch in color_block:
- if stitch.trim:
- if point_lists[-1]:
- point_lists.append([])
- continue
-
- if not stitch.jump and not stitch.color_change:
- point_lists[-1].append(stitch.as_tuple())
-
- # filter out empty point lists
- point_lists = [p for p in point_lists if p]
-
- return point_lists
@cache
-def get_correction_transform(svg):
- transform = get_viewbox_transform(svg)
-
- # we need to correct for the viewbox
- transform = simpletransform.invertTransform(transform)
- transform = simpletransform.formatTransform(transform)
-
- return transform
-
-
-def color_block_to_realistic_stitches(color_block, svg):
- paths = []
+def get_document(node):
+ return node.getroottree().getroot()
- for point_list in color_block_to_point_lists(color_block):
- if not point_list:
- continue
- color = color_block.color.visible_on_white.darker.to_hex_str()
- start = point_list[0]
- for point in point_list[1:]:
- paths.append(inkex.etree.Element(
- SVG_PATH_TAG,
- {'style': simplestyle.formatStyle(
- {
- 'fill': color,
- 'stroke': 'none',
- 'filter': 'url(#realistic-stitch-filter)'
- }),
- 'd': realistic_stitch(start, point),
- 'transform': get_correction_transform(svg)
- }))
- start = point
-
- return paths
-
-
-def color_block_to_paths(color_block, svg):
- paths = []
- # We could emit just a single path with one subpath per point list, but
- # emitting multiple paths makes it easier for the user to manipulate them.
- for point_list in color_block_to_point_lists(color_block):
- color = color_block.color.visible_on_white.to_hex_str()
- paths.append(inkex.etree.Element(
- SVG_PATH_TAG,
- {'style': simplestyle.formatStyle(
- {'stroke': color,
- 'stroke-width': "0.4",
- 'fill': 'none'}),
- 'd': "M" + " ".join(" ".join(str(coord) for coord in point) for point in point_list),
- 'transform': get_correction_transform(svg),
- 'embroider_manual_stitch': 'true',
- 'embroider_trim_after': 'true',
- }))
-
- # no need to trim at the end of a thread color
- if paths:
- paths[-1].attrib.pop('embroider_trim_after')
-
- return paths
-
-
-def render_stitch_plan(svg, stitch_plan, realistic=False):
- layer = svg.find(".//*[@id='__inkstitch_stitch_plan__']")
- if layer is None:
- layer = inkex.etree.Element(SVG_GROUP_TAG,
- {'id': '__inkstitch_stitch_plan__',
- INKSCAPE_LABEL: _('Stitch Plan'),
- INKSCAPE_GROUPMODE: 'layer'})
+def generate_unique_id(document_or_element, prefix="path"):
+ if isinstance(document_or_element, etree._ElementTree):
+ document = document_or_element.getroot()
else:
- # delete old stitch plan
- del layer[:]
-
- # make sure the layer is visible
- layer.set('style', 'display:inline')
-
- for i, color_block in enumerate(stitch_plan):
- group = inkex.etree.SubElement(layer,
- SVG_GROUP_TAG,
- {'id': '__color_block_%d__' % i,
- INKSCAPE_LABEL: "color block %d" % (i + 1)})
- if realistic:
- group.extend(color_block_to_realistic_stitches(color_block, svg))
- else:
- group.extend(color_block_to_paths(color_block, svg))
-
- svg.append(layer)
+ document = get_document(document_or_element)
- if realistic:
- defs = svg.find(SVG_DEFS_TAG)
+ doc_ids = {node.get('id') for node in document.iterdescendants() if 'id' in node.attrib}
- if defs is None:
- defs = inkex.etree.SubElement(svg, SVG_DEFS_TAG)
+ i = 1
+ while True:
+ new_id = "%s%d" % (prefix, i)
+ if new_id not in doc_ids:
+ break
+ i += 1
- defs.append(inkex.etree.fromstring(realistic_filter))
+ return new_id