56 lines
1.7 KiB
Python
56 lines
1.7 KiB
Python
# coding=utf-8
|
|
#
|
|
# Copyright (C) 2018 Martin Owens
|
|
#
|
|
# This program is free software; you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation; either version 2 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program; if not, write to the Free Software
|
|
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA.
|
|
#
|
|
"""
|
|
SVG specific utilities for tests.
|
|
"""
|
|
|
|
from lxml import etree
|
|
|
|
from inkex import SVG_PARSER
|
|
|
|
|
|
def svg(svg_attrs=""):
|
|
"""Returns xml etree based on a simple SVG element.
|
|
|
|
svg_attrs: A string containing attributes to add to the
|
|
root <svg> element of a minimal SVG document.
|
|
"""
|
|
return etree.fromstring(
|
|
str.encode(
|
|
'<?xml version="1.0" encoding="UTF-8" standalone="no"?>'
|
|
f"<svg {svg_attrs}></svg>"
|
|
),
|
|
parser=SVG_PARSER,
|
|
)
|
|
|
|
|
|
def svg_unit_scaled(width_unit):
|
|
"""Same as svg, but takes a width unit (top-level transform) for the new document.
|
|
|
|
The transform is the ratio between the SVG width and the viewBox width.
|
|
"""
|
|
return svg(f'width="1{width_unit}" viewBox="0 0 1 1"')
|
|
|
|
|
|
def svg_file(filename):
|
|
"""Parse an svg file and return it's document root"""
|
|
with open(filename, "r", encoding="utf-8") as fhl:
|
|
doc = etree.parse(fhl, parser=SVG_PARSER)
|
|
return doc.getroot()
|