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mightyscape-0.92-deprecated/extensions/fablabchemnitz_fill_row.py

87 lines
2.4 KiB
Python

#!/usr/bin/env python2
import sys
sys.path.append('/usr/share/inkscape/extensions')
from inkex import Effect as InkscapeEffect
from inkex import etree, addNS
from copy import deepcopy
from simpletransform import computeBBox, applyTransformToNode
from simplepath import parsePath, translatePath, formatPath
class FillRow(InkscapeEffect):
def __init__(self):
InkscapeEffect.__init__(self)
self.filename = sys.argv[-1]
def effect(self):
if len(self.selected) > 0:
# bboxes = self.calculate_bboxes(self.selected)
self.total_height = 0
for id, node in self.selected.items():
self.fill_row(node)
def fill_row(self, node):
max_line_width = self.unittouu('450mm')
x_gap = y_gap = self.unittouu('10mm')
x_start = self.unittouu('3mm')
y_start = self.unittouu('1600mm') - self.unittouu('3mm')
total_width = 0
total_height = self.total_height
group = etree.SubElement(self.current_layer, addNS('g','svg'))
bbox = computeBBox([node])
x, _, y, _ = bbox
node_width = x_gap + self.width(bbox)
while total_width + node_width < max_line_width:
node_copy = deepcopy(node)
group.append(node_copy)
x_dest = x_start + total_width
y_dest = y_start - (total_height + self.height(bbox))
# translation logic
if node_copy.tag == addNS('path','svg'):
x_delta = x_dest - x
y_delta = y_dest - y
path = parsePath(node_copy.attrib['d'])
translatePath(path, x_delta, y_delta)
node_copy.attrib['d'] = formatPath(path)
elif node_copy.tag == addNS('g','svg'):
x_delta = x_dest - x
y_delta = y_dest - y
translation_matrix = [[1.0, 0.0, x_delta], [0.0, 1.0, y_delta]]
applyTransformToNode(translation_matrix, node_copy)
else:
node_copy.attrib['x'] = str(x_dest)
node_copy.attrib['y'] = str(y_dest)
total_width += node_width
self.total_height += self.height(computeBBox(group)) + y_gap
def width(self,bbox):
(x1, x2, y1, y2) = bbox
width = x2 - x1
return width
def height(self,bbox):
(x1, x2, y1, y2) = bbox
height = y2 - y1
return height
effect = FillRow()
effect.affect()