From be93c858a4b7bdd771521502c3c1195a01b32fbf Mon Sep 17 00:00:00 2001
From: Kaalleen <36401965+kaalleen@users.noreply.github.com>
Date: Tue, 25 Jan 2022 16:41:30 +0100
Subject: markers and lettering (#1559)

---
 lib/lettering/font.py | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'lib/lettering')

diff --git a/lib/lettering/font.py b/lib/lettering/font.py
index 09b772c3..f0aac11e 100644
--- a/lib/lettering/font.py
+++ b/lib/lettering/font.py
@@ -15,6 +15,7 @@ from ..elements import nodes_to_elements
 from ..exceptions import InkstitchException
 from ..extensions.lettering_custom_font_dir import get_custom_font_dir
 from ..i18n import _, get_languages
+from ..marker import MARKER, ensure_marker
 from ..stitches.auto_satin import auto_satin
 from ..svg.tags import (CONNECTION_END, CONNECTION_START, INKSCAPE_LABEL,
                         SVG_PATH_TAG, SVG_USE_TAG, XLINK_HREF)
@@ -218,7 +219,9 @@ class Font(object):
                         style += inkex.Style("stroke-width:0.5px")
                 element.set('style', '%s' % style.to_str())
 
+        # make sure necessary marker and command symbols are in the defs section
         self._ensure_command_symbols(destination_group)
+        self._ensure_marker_symbols(destination_group)
 
         return destination_group
 
@@ -336,6 +339,12 @@ class Font(object):
         for command in commands:
             ensure_symbol(group.getroottree().getroot(), command)
 
+    def _ensure_marker_symbols(self, group):
+        for marker in MARKER:
+            xpath = ".//*[contains(@style, 'marker-start:url(#inkstitch-%s-marker)')]" % marker
+            if group.xpath(xpath, namespaces=inkex.NSS):
+                ensure_marker(group.getroottree().getroot(), marker)
+
     def _apply_auto_satin(self, group, trim):
         """Apply Auto-Satin to an SVG XML node tree with an svg:g at its root.
 
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