- working to add virtual units to SVG parser

CHANGELOG.md

@@ -11,6 +11,7 @@ CHANGELOG for FlatCAM beta
 
 - fixed an error in importing SVG that has a single line
 - updated the POT file and the PO/MO files for Turkish language
+- working to add virtual units to SVG parser
 
 20.09.2020
 

appParsers/ParseSVG.py

@@ -58,6 +58,21 @@ def svgparselength(lengthstr):
     return
 
 
+def svgparse_viewbox(root):
+    val = root.get('viewBox')
+    if val is None:
+        return 1.0
+
+    res = [float(x) for x in val.split()] or [float(x) for x in val.split(',')]
+    w = svgparselength(root.get('width'))[0]
+    # h = svgparselength(root.get('height'))[0]
+
+    v_w = res[2]
+    # v_h = res[3]
+
+    return w / v_w
+
+
 def path2shapely(path, object_type, res=1.0, units='MM'):
     """
     Converts an svg.path.Path into a Shapely
@@ -369,9 +384,10 @@ def getsvggeo(node, object_type, root=None, units='MM', res=64):
             subgeo = getsvggeo(child, object_type, root=root, units=units, res=res)
             if subgeo is not None:
                 geo += subgeo
-
+    else:
+        factor = svgparse_viewbox(node)
         # Parse
-    elif kind == 'path':
+        if kind == 'path':
             log.debug("***PATH***")
             P = parse_path(node.get('d'))
             P = path2shapely(P, object_type, units=units)