add commands framework

3 files changed, 26 insertions, 0 deletions

diff --git a/lib/svg/__init__.py b/lib/svg/__init__.py
index 1895bba4..50543b1b 100644
--- a/lib/svg/__init__.py
+++ b/lib/svg/__init__.py
@@ -1,2 +1,3 @@
 from .svg import color_block_to_point_lists, render_stitch_plan
 from .units import *
+from .path import apply_transforms
diff --git a/lib/svg/path.py b/lib/svg/path.py
new file mode 100644
index 00000000..a8012774
--- /dev/null
+++ b/lib/svg/path.py
@@ -0,0 +1,20 @@
+import simpletransform
+import cubicsuperpath
+
+from .units import get_viewbox_transform
+
+def apply_transforms(path, node):
+    # start with the identity transform
+    transform = [[1.0, 0.0, 0.0], [0.0, 1.0, 0.0]]
+
+    # combine this node's transform with all parent groups' transforms
+    transform = simpletransform.composeParents(node, transform)
+
+    # add in the transform implied by the viewBox
+    viewbox_transform = get_viewbox_transform(node.getroottree().getroot())
+    transform = simpletransform.composeTransform(viewbox_transform, transform)
+
+    # apply the combined transform to this node's path
+    simpletransform.applyTransformToPath(transform, path)
+
+    return path
diff --git a/lib/svg/tags.py b/lib/svg/tags.py
index fee59957..5488608c 100644
--- a/lib/svg/tags.py
+++ b/lib/svg/tags.py
@@ -5,8 +5,13 @@ SVG_PATH_TAG = inkex.addNS('path', 'svg')
 SVG_POLYLINE_TAG = inkex.addNS('polyline', 'svg')
 SVG_DEFS_TAG = inkex.addNS('defs', 'svg')
 SVG_GROUP_TAG = inkex.addNS('g', 'svg')
+SVG_SYMBOL_TAG = inkex.addNS('symbol', 'svg')
+SVG_USE_TAG = inkex.addNS('use', 'svg')
 
 INKSCAPE_LABEL = inkex.addNS('label', 'inkscape')
 INKSCAPE_GROUPMODE = inkex.addNS('groupmode', 'inkscape')
+CONNECTION_START = inkex.addNS('connection-start', 'inkscape')
+CONNECTION_END = inkex.addNS('connection-end', 'inkscape')
+XLINK_HREF = inkex.addNS('href', 'xlink')
 
 EMBROIDERABLE_TAGS = (SVG_PATH_TAG, SVG_POLYLINE_TAG)