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#!/usr/bin/env python
"""\
Demonstration code for aafigure use as python module.
"""
import sys
import aafigure
import aafigure.aa
ascii_art = u"""\
---> | ^| |
<--- | || --+--
<--> | |V |
__ __
| |__ +---+ |__|
|box| ..
+---+ Xenophon
"""
# Show what we're parsing.
print(u" input ".center(78, '='))
print(ascii_art)
# Parse the image.
aaimg = aafigure.AsciiArtImage(ascii_art)
aaimg.recognize()
# For fun, output the ASCII version in the console.
print(u" output ".center(78, '='))
aav = aafigure.aa.AsciiOutputVisitor({'file_like': sys.stdout, 'scale': 2})
aav.visit_image(aaimg)
print(u"="*78)
# Writing an SVG file would be possible in a similar way, but there is the much
# easier render function for that.
# A stringIO object is returned for the output when the output parameter is not
# given. If it were, the output would be directly written to that object.
visitor, output = aafigure.render(ascii_art, options={'format': 'svg'})
# The process method can be used for a lower level access. The visitor class
# has to be specified by the user in this case. To get output, a file like
# object has to be passed in the options:
# {'file_like' = open("somefile.svg", "wb")}
import aafigure.svg
from io import StringIO
fl = StringIO()
visitor = aafigure.process(
ascii_art,
aafigure.svg.SVGOutputVisitor,
options={'file_like': fl}
)
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