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# encoding: utf-8
# Purpose: objects classes
# Created: 17.04.2016
# Copyright (C) 2016, Manfred Moitzi
# License: MIT License
from __future__ import unicode_literals
__author__ = "mozman <mozman@gmx.at>"
from datetime import datetime
from .juliandate import calendar_date
class DXFObject(object):
def __init__(self):
self.dxftype = 'ENTITY'
self.handle = None
self.owner = None
def setup_attributes(self, tags):
self.dxftype = tags.get_type()
for code, value in tags.plain_tags():
if code == 5: # special case 105 handled by STYLE TABLE
self.handle = value
elif code == 330:
self.owner = value
else:
yield code, value # chain of generators
def unpack_seconds(seconds):
seconds = int(seconds / 1000) # remove 1/1000 part
hours = int(seconds / 3600)
seconds = int(seconds % 3600)
minutes = int(seconds / 60)
seconds = int(seconds % 60)
return hours, minutes, seconds
class Sun(DXFObject):
def __init__(self):
super(Sun, self).__init__()
self.version = 1
self.status = False
self.sun_color = None
self.intensity = 0.
self.shadows = False
self.date = datetime.now()
self.daylight_savings_time = False
self.shadow_type = 0
self.shadow_map_size = 0
self.shadow_softness = 0.
def setup_attributes(self, tags):
date = 0
time = 0
for code, value in super(Sun, self).setup_attributes(tags):
if code == 40:
self.intensity = value
elif code == 63:
self.sun_color = value
elif code == 70:
self.shadow_type = value
elif code == 71:
self.shadow_map_size = value
elif code == 90:
self.version = value
elif code == 91:
date = value
elif code == 92:
time = value
elif code == 280:
self.shadow_softness = value
elif code == 290:
self.status = bool(value)
elif code == 291:
self.shadows = bool(value)
elif code == 292:
self.daylight_savings_time = bool(value)
else:
yield code, value # chain of generators
if date > 0:
date = calendar_date(date)
else:
date = datetime.now()
hours, minutes, seconds = unpack_seconds(time)
self.date = datetime(date.year, date.month, date.day, hours, minutes, seconds)
ObjectsTable = {
'SUN': Sun,
}
def objects_factory(tags):
dxftype = tags.get_type()
cls = ObjectsTable.get(dxftype, DXFObject) # get object class
entity = cls() # call constructor
list(entity.setup_attributes(tags)) # setup dxf attributes - chain of generators
return entity
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