94 lines
2.8 KiB
Python
94 lines
2.8 KiB
Python
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import inkex
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import simplestyle
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from lxml import etree
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def _format_1st(command, is_absolute):
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"""Small helper function for the Path class"""
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return command.upper() if is_absolute else command.lower()
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default_style = str(inkex.Style(
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{'stroke': '#000000',
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'stroke-width': '0.1',
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'fill': 'none'
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}))
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red_style = str(inkex.Style(
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{'stroke': '#FF0000',
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'stroke-width': '0.1',
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'fill': 'none'
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}))
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green_style = str(inkex.Style(
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{'stroke': '#00FF00',
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'stroke-width': '0.1',
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'fill': 'none'
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}))
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blue_style = str(inkex.Style(
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{'stroke': '#0000FF',
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'stroke-width': '0.1',
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'fill': 'none'
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}))
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def layer(parent, layer_name):
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layer = etree.SubElement(parent, 'g')
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layer.set(inkex.addNS('label', 'inkscape'), layer_name)
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layer.set(inkex.addNS('groupmode', 'inkscape'), 'layer')
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return layer
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def group(parent):
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return etree.SubElement(parent, 'g')
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def text(parent, coordinate, txt, style=default_style):
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text = etree.Element(inkex.addNS('text', 'svg'))
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text.text = txt
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text.set('x', str(coordinate.x))
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text.set('y', str(coordinate.y))
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style = {'text-align': 'center', 'text-anchor': 'middle'}
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text.set('style', str(inkex.Style(style)))
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parent.append(text)
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class Path(object):
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"""
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Generates SVG paths
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"""
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def __init__(self):
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self.nodes = []
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def move_to(self, coord, absolute=False):
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self.nodes.append("{0} {1} {2}".format(_format_1st('m', absolute), coord.x, coord.y))
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def line_to(self, coord, absolute=False):
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self.nodes.append("{0} {1} {2}".format(_format_1st('l', absolute), coord.x, coord.y))
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def h_line_to(self, dist, absolute=False):
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self.nodes.append("{0} {1}".format(_format_1st('h', absolute), dist))
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def v_line_to(self, dist, absolute=False):
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self.nodes.append("{0} {1}".format(_format_1st('v', absolute), dist))
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def arc_to(self, radius, coord, rotation=0, pos_sweep=True, large_arc=False, absolute=False):
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self.nodes.append("{0} {1} {2} {3} {4} {5} {6} {7}"
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.format(_format_1st('a', absolute), radius.x, radius.y, rotation,
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1 if large_arc else 0, 1 if pos_sweep else 0, coord.x, coord.y))
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def close(self):
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self.nodes.append('z')
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def path(self, parent, style=default_style):
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attribs = {'style': style,
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'd': ' '.join(self.nodes)}
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etree.SubElement(parent, inkex.addNS('path', 'svg'), attribs)
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def curve(self, parent, segments, style, closed=True):
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pathStr = ' '.join(segments)
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if closed:
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pathStr += ' z'
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attributes = {
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'style': style,
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'd': pathStr}
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etree.SubElement(parent, inkex.addNS('path', 'svg'), attributes)
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def remove_last(self):
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self.nodes.pop()
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