Add "the tartan universe" (#2782)

1 files changed, 24 insertions, 0 deletions

diff --git a/lib/tartan/fill_element.py b/lib/tartan/fill_element.py
new file mode 100644
index 00000000..34139e6c
--- /dev/null
+++ b/lib/tartan/fill_element.py
@@ -0,0 +1,24 @@
+# Authors: see git history
+#
+# Copyright (c) 2023 Authors
+# Licensed under the GNU GPL version 3.0 or later.  See the file LICENSE for details.
+
+from inkex import BaseElement
+
+
+def prepare_tartan_fill_element(element: BaseElement) -> None:
+    """Prepares an svg element to be rendered as a tartan_fill embroidery element
+
+    :param element: svg element with a fill color (path, rectangle, or circle)
+    """
+    parent_group = element.getparent()
+    if parent_group.get_id().startswith('inkstitch-tartan'):
+        # apply tartan group transform to element
+        transform = element.transform @ parent_group.transform
+        element.set('transform', transform)
+        # remove tartan group and place element in parent group
+        outer_group = parent_group.getparent()
+        outer_group.insert(outer_group.index(parent_group), element)
+        outer_group.remove(parent_group)
+    # make sure the element is invisible
+    element.style['display'] = 'inline'