159 lines
5.4 KiB
Python
159 lines
5.4 KiB
Python
#!/usr/bin/env python3
|
|
#
|
|
# License: GPL2
|
|
# Copyright Mark "Klowner" Riedesel
|
|
# https://github.com/Klowner/inkscape-applytransforms
|
|
#
|
|
import inkex
|
|
import math
|
|
from inkex.paths import CubicSuperPath, Path
|
|
from inkex.transforms import Transform
|
|
from inkex.styles import Style
|
|
|
|
NULL_TRANSFORM = Transform([[1.0, 0.0, 0.0], [0.0, 1.0, 0.0]])
|
|
|
|
|
|
class ApplyTransform(inkex.Effect):
|
|
def __init__(self):
|
|
inkex.Effect.__init__(self)
|
|
|
|
def effect(self):
|
|
if self.svg.selected:
|
|
for id, shape in self.svg.selected.items():
|
|
self.recursiveFuseTransform(shape)
|
|
else:
|
|
self.recursiveFuseTransform(self.document.getroot())
|
|
|
|
@staticmethod
|
|
def objectToPath(node):
|
|
if node.tag == inkex.addNS('g', 'svg'):
|
|
return node
|
|
|
|
if node.tag == inkex.addNS('path', 'svg') or node.tag == 'path':
|
|
for attName in node.attrib.keys():
|
|
if ("sodipodi" in attName) or ("inkscape" in attName):
|
|
del node.attrib[attName]
|
|
return node
|
|
|
|
return node
|
|
|
|
def scaleStrokeWidth(self, node, transf):
|
|
if 'style' in node.attrib:
|
|
style = node.attrib.get('style')
|
|
style = dict(Style.parse_str(style))
|
|
update = False
|
|
|
|
if 'stroke-width' in style:
|
|
try:
|
|
stroke_width = float(style.get('stroke-width').strip().replace("px", ""))
|
|
stroke_width *= math.sqrt(abs(transf.a * transf.d))
|
|
style['stroke-width'] = str(stroke_width)
|
|
update = True
|
|
except AttributeError:
|
|
pass
|
|
|
|
if update:
|
|
node.attrib['style'] = Style(style).to_str()
|
|
|
|
def recursiveFuseTransform(self, node, transf=[[1.0, 0.0, 0.0], [0.0, 1.0, 0.0]]):
|
|
|
|
transf = Transform(transf) * Transform(node.get("transform", None))
|
|
|
|
if 'transform' in node.attrib:
|
|
del node.attrib['transform']
|
|
|
|
node = ApplyTransform.objectToPath(node)
|
|
|
|
if transf == NULL_TRANSFORM:
|
|
# Don't do anything if there is effectively no transform applied
|
|
# reduces alerts for unsupported nodes
|
|
pass
|
|
elif 'd' in node.attrib:
|
|
d = node.get('d')
|
|
p = CubicSuperPath(d)
|
|
p = Path(p).to_absolute().transform(transf, True)
|
|
node.set('d', Path(CubicSuperPath(p).to_path()))
|
|
|
|
self.scaleStrokeWidth(node, transf)
|
|
|
|
elif node.tag in [inkex.addNS('polygon', 'svg'),
|
|
inkex.addNS('polyline', 'svg')]:
|
|
points = node.get('points')
|
|
points = points.strip().split(' ')
|
|
for k, p in enumerate(points):
|
|
if ',' in p:
|
|
p = p.split(',')
|
|
p = [float(p[0]), float(p[1])]
|
|
p = transf.apply_to_point(p)
|
|
p = [str(p[0]), str(p[1])]
|
|
p = ','.join(p)
|
|
points[k] = p
|
|
points = ' '.join(points)
|
|
node.set('points', points)
|
|
|
|
self.scaleStrokeWidth(node, transf)
|
|
|
|
elif node.tag in [inkex.addNS("ellipse", "svg"), inkex.addNS("circle", "svg")]:
|
|
|
|
def isequal(a, b):
|
|
return abs(a - b) <= transf.absolute_tolerance
|
|
|
|
if node.TAG == "ellipse":
|
|
rx = float(node.get("rx"))
|
|
ry = float(node.get("ry"))
|
|
else:
|
|
rx = float(node.get("r"))
|
|
ry = rx
|
|
|
|
cx = float(node.get("cx"))
|
|
cy = float(node.get("cy"))
|
|
sqxy1 = (cx - rx, cy - ry)
|
|
sqxy2 = (cx + rx, cy - ry)
|
|
sqxy3 = (cx + rx, cy + ry)
|
|
newxy1 = transf.apply_to_point(sqxy1)
|
|
newxy2 = transf.apply_to_point(sqxy2)
|
|
newxy3 = transf.apply_to_point(sqxy3)
|
|
|
|
node.set("cx", (newxy1[0] + newxy3[0]) / 2)
|
|
node.set("cy", (newxy1[1] + newxy3[1]) / 2)
|
|
edgex = math.sqrt(
|
|
abs(newxy1[0] - newxy2[0]) ** 2 + abs(newxy1[1] - newxy2[1]) ** 2
|
|
)
|
|
edgey = math.sqrt(
|
|
abs(newxy2[0] - newxy3[0]) ** 2 + abs(newxy2[1] - newxy3[1]) ** 2
|
|
)
|
|
|
|
if not isequal(edgex, edgey) and (
|
|
node.TAG == "circle"
|
|
or not isequal(newxy2[0], newxy3[0])
|
|
or not isequal(newxy1[1] != newxy2[1])
|
|
):
|
|
inkex.utils.errormsg(
|
|
"Warning: Shape %s (%s) is approximate only, try Object to path first for better results"
|
|
% (node.TAG, node.get("id"))
|
|
)
|
|
|
|
if node.TAG == "ellipse":
|
|
node.set("rx", edgex / 2)
|
|
node.set("ry", edgey / 2)
|
|
else:
|
|
node.set("r", edgex / 2)
|
|
|
|
elif node.tag in [inkex.addNS('rect', 'svg'),
|
|
inkex.addNS('text', 'svg'),
|
|
inkex.addNS('image', 'svg'),
|
|
inkex.addNS('use', 'svg')]:
|
|
inkex.utils.errormsg(
|
|
"Shape %s (%s) not yet supported, try Object to path first"
|
|
% (node.TAG, node.get("id"))
|
|
)
|
|
|
|
else:
|
|
# e.g. <g style="...">
|
|
self.scaleStrokeWidth(node, transf)
|
|
|
|
for child in node.getchildren():
|
|
self.recursiveFuseTransform(child, transf)
|
|
|
|
if __name__ == '__main__':
|
|
ApplyTransform().run() |