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#!/usr/bin/env python
# vim: set expandtab ts=4:
import cairo, pango, pangocairo
import pttarget, ptlayout
from ptlayout import PTLText
import time, sys
import usb.core
layout = ptlayout.PTLHSeq()
layout.spacing = 0
layout.add(ptlayout.PTLHSpace()).spacing = 5
text = layout.add(ptlayout.PTLText())
layout.add(ptlayout.PTLHSpace()).spacing = 5
pttarget.PTUSB.scan()
print 'device list:'
for dev in pttarget.PTUSB.printers:
print str(dev)
if len(pttarget.PTUSB.printers) != 1:
print 'no idea which printer to use!'
sys.exit(1)
dev = pttarget.PTUSB.printers[0]
dev.setup()
dev.refresh_status()
mtype = pttarget.media_types.get(dev.media_type, 'unknown (%02x)' % (dev.media_type))
msize = '%dx%dmm' % (dev.media_width, dev.media_length) if dev.media_length != 0 else \
'%dmm continuous tape' % (dev.media_width)
print 'Status: %s, %s %s' % (dev.get_errstr(), mtype, msize)
tape = dev.find_tape()
for line in sys.stdin.readlines():
line = line.strip()
# insert code here
text.text = line
w, h = layout.prep_size(tape.pixels)
if w < 32:
w = 32
label_surface = cairo.ImageSurface(cairo.FORMAT_A1, w, tape.pixels)
ctx = cairo.Context(label_surface)
ctx.set_operator(cairo.OPERATOR_SOURCE)
final_w = layout.render(ctx, tape.pixels)
print 'text: "%s" label width: %d' % (line, final_w)
data = pttarget.PTLabelData()
data.addcairo(label_surface, offset = tape.offset)
dev.send(data.get(True))
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