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#!/usr/bin/python
# don't expect too much.
# this is a really simple&stupid svg parser, which will use rectangles
# and text fields to produce <widget> snippets for a skin.
# use object "id" fields for source names if you want.
# extracting font information is buggy.
# if you want text fields, please use flow text regions, instead of simple
# text. otherwise, width and height are unknown.
#
# tested only with a single inkscape-generated SVG.
import sys
import os
import string
from xml.sax import make_parser
from xml.sax.handler import ContentHandler
def getattrs(attrs, *a):
res = []
for x in a:
res.append(float(attrs[x]))
return res
def parsedict(attrs):
if not attrs:
return []
d = attrs.split(';')
r = { }
for x in d:
(key, val) = x.split(':')
r[key] = val
return r
def px(x):
return int(float(x[:-2]) + .5)
def contains(box_o, box_i):
return box_o[0] <= box_i[0] and box_o[1] <= box_i[1] and box_o[2] >= box_i[2] and box_o[3] >= box_i[3]
class parseXML(ContentHandler):
def __init__(self):
self.isPointsElement, self.isReboundsElement = 0, 0
self.bbox = None
self.find_bbox = False
self.flow = None
def startElement(self, name, attrs):
if self.find_bbox:
if name != "rect":
return
box = getattrs(attrs, "x", "y", "width", "height")
if not self.bbox or contains(box, self.bbox):
self.bbox = box
return
if name == "rect":
(x, y, width, height) = getattrs(attrs, "x", "y", "width", "height")
x -= self.bbox[0]
y -= self.bbox[1]
id = attrs["id"]
if self.flow:
id = self.flow
self.flow = None
styles = parsedict(attrs.get("style", ""))
elif name == "text":
(x, y) = getattrs(attrs, "x", "y")
x -= self.bbox[0]
y -= self.bbox[1]
width, height = 0, 0
styles = parsedict(attrs["style"])
id = attrs["id"]
elif name == "flowRoot":
self.flow = attrs["id"]
return
else:
return
if "font-size" in styles:
font = ' font="Regular;%d"' % px(styles["font-size"])
else:
font = ""
print """\t\t<widget source="%s" render="Label" position="%d,%d" size="%d,%d" %s />""" % (id, x, y, width, height, font)
parser = make_parser()
contentHandler = parseXML()
parser.setContentHandler(contentHandler)
contentHandler.find_bbox = True
parser.parse(sys.argv[1])
bboxi = tuple([int(x) for x in contentHandler.bbox])
contentHandler.find_bbox = False
print '\t<screen name="" position="%d,%d" size="%d,%d" title="">' % bboxi
parser.parse(sys.argv[1])
print '\t</screen>'
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