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drop dependence on PyXML and use standard lib methods

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mfranz 2008-07-25 20:22:36 +00:00
parent d9bfd5a425
commit e2899588c7
1 changed files with 16 additions and 14 deletions
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30
utils/Modeller/uv_import_svg.py
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@ -9,7 +9,7 @@
__author__ = "Melchior FRANZ < mfranz # aon : at >"
__url__ = "http://www.flightgear.org/"
__version__ = "0.1"
__version__ = "0.2"
__bpydoc__ = """\
Imports an SVG file containing UV maps, which has been saved by the
uv_export.svg script. This allows to move, scale, and rotate object
@ -42,7 +42,7 @@ ID_SEPARATOR = '_.:._'
import Blender, BPyMessages, sys, math, re
from xml.sax import saxexts
from xml.sax import handler, make_parser
numwsp = re.compile('(?<=[\d.])\s+(?=[-+.\d])')
@ -73,9 +73,7 @@ class Matrix:
self.a = a; self.b = b; self.c = c; self.d = d; self.e = e; self.f = f
def transform(self, u, v):
x = u * self.a + v * self.c + self.e
y = u * self.b + v * self.d + self.f
return (x, y)
return u * self.a + v * self.c + self.e, u * self.b + v * self.d + self.f
def translate(self, dx, dy):
self.multiply(Matrix(1, 0, 0, 1, dx, dy))
@ -167,7 +165,7 @@ def parse_transform(s):
return matrix
class import_svg:
class import_svg(handler.ContentHandler):
# err_handler
def error(self, exception):
raise Abort(str(exception))
@ -200,29 +198,32 @@ class import_svg:
def endDocument(self):
pass
def characters(self, data, start, length):
def characters(self, data):
if not self.scandesc:
return
if data[start:start + length].startswith("uv_export_svg.py"):
if data.startswith("uv_export_svg.py"):
self.verified = True
def ignorableWhitespace(self, data, start, length):
pass
def processingInstruction(self, target, data):
pass
def startElement(self, name, attrs):
currmat = self.matrices[-1]
if "transform" in attrs:
try:
m = parse_transform(attrs["transform"])
if currmat != None:
m.multiply(currmat)
self.matrices.append(m)
else:
except:
self.matrices.append(currmat)
if name == "polygon":
self.handlePolygon(attrs)
elif name == "svg":
if "viewBox" in attrs:
try:
x, y, w, h = commawsp.split(attrs["viewBox"], 4)
if int(x) or int(y):
raise Abort("bad viewBox")
@ -230,7 +231,7 @@ class import_svg:
self.height = int(h)
if self.width != self.height:
raise Abort("viewBox isn't a square")
else:
except:
raise Abort("no viewBox")
elif name == "desc" and not self.verified:
self.scandesc = True
@ -275,6 +276,7 @@ class import_svg:
uv[1] = transuv[i][1]
def run_parser(path):
if BPyMessages.Error_NoFile(path):
return
@ -285,8 +287,8 @@ def run_parser(path):
Blender.Window.WaitCursor(1)
try:
svg = saxexts.ParserFactory().make_parser("xml.sax.drivers.drv_xmlproc")
svg.setDocumentHandler(import_svg())
svg = make_parser()
svg.setContentHandler(import_svg())
svg.setErrorHandler(import_svg())
svg.parse(path)
Blender.Registry.SetKey("UVImportExportSVG", { "path" : path }, False)