diff options
Diffstat (limited to 'support/inkscape')
| -rw-r--r-- | support/inkscape/__main__.py | 1 | ||||
| -rw-r--r-- | support/inkscape/effect.py | 21 |
2 files changed, 22 insertions, 0 deletions
diff --git a/support/inkscape/__main__.py b/support/inkscape/__main__.py index e68341e..78ffb55 100644 --- a/support/inkscape/__main__.py +++ b/support/inkscape/__main__.py @@ -41,6 +41,7 @@ def main(in_path, out_path): try: _, out_suffix = os.path.splitext(out_path) + effect.ExportEffect.check_document_units(in_path) with util.TemporaryDirectory() as temp_dir: temp_svg_path = os.path.join(temp_dir, os.path.basename(in_path)) diff --git a/support/inkscape/effect.py b/support/inkscape/effect.py index 513169d..7d95193 100644 --- a/support/inkscape/effect.py +++ b/support/inkscape/effect.py @@ -3,6 +3,8 @@ Based on code from Aaron Spike. See http://www.bobcookdev.com/inkscape/inkscape- """ import pkgutil, os, re, collections, itertools +from lxml import etree +from lib import util from . import inkex, simpletransform, cubicsuperpath, cspsubdiv, inkscape @@ -241,3 +243,22 @@ class ExportEffect(inkex.Effect): return '_' else: return re.sub('[^a-zA-Z0-9]', '_', layer.export_name) + + @classmethod + def check_document_units(cls, path): + with open(path, 'r') as file: + p = etree.XMLParser(huge_tree = True) + document = etree.parse(file, parser = p) + + height_attr = document.getroot().get('height') + + if height_attr is None: + raise util.UserError('SVG document has no height attribute. See https://github.com/Feuermurmel/openscad-template/wiki/Absolute-Measurements') + + _, height_unit = cls._parse_measure(height_attr) + + if height_unit is None or height_unit == 'px': + raise util.UserError('Height of SVG document is not an absolute measure. See https://github.com/Feuermurmel/openscad-template/wiki/Absolute-Measurements') + + if document.getroot().get('viewBox') is None: + raise util.UserError('SVG document has no viewBox attribute. See https://github.com/Feuermurmel/openscad-template/wiki/Absolute-Measurements') |