def main():
"""
Entry point for readdxf.py.
"""
args = process_arguments()
for f in ut.xpand(args.files):
print('Filename: {}'.format(f))
try:
data = dx.parse(f)
if args.verbose:
for d in data:
pprint.pprint(d)
entities = dx.entities(data)
except Exception as ex:
logging.info('skipping file {}: {}'.format(f, ex))
continue
if not args.all:
numbered = dx.numberedlayers(entities)
bylayer = {nm: dx.fromlayer(entities, nm) for nm in numbered}
entities = []
for layerent in bylayer.values():
entities += layerent
num = len(entities)
if num == 0:
logging.warning('no entities found!')
continue
print('Contains: {} entities'.format(num))
if args.verbose:
for e in entities:
pprint.pprint(e)
layers = dx.layernames(entities)
for layer in layers:
print('Layer: "{}"'.format(layer))
for e in dx.fromlayer(entities, layer):
printent(e, args.verbose)
def main():
"""
Entry point for readdxf.py.
"""
args = process_arguments()
for f in ut.xpand(args.files):
print('Filename: {}'.format(f))
try:
data = dx.parse(f)
if args.verbose:
for d in data:
pprint.pprint(d)
entities = dx.entities(data)
except Exception as ex:
logging.info('skipping file {}: {}'.format(f, ex))
continue
if not args.all:
numbered = dx.numberedlayers(entities)
bylayer = {nm: dx.fromlayer(entities, nm) for nm in numbered}
entities = []
for layerent in bylayer.values():
entities += layerent
num = len(entities)
if num == 0:
logging.warning('no entities found!')
continue
print('Contains: {} entities'.format(num))
if args.verbose:
for e in entities:
pprint.pprint(e)
layers = dx.layernames(entities)
for layer in layers:
print('Layer: "{}"'.format(layer))
for e in dx.fromlayer(entities, layer):
printent(e, args.verbose)
def main():
"""
Entry point for dxf2nc.py.
"""
args = process_arguments()
sorters = {'xy': utils.bbxykey, 'yx': utils.bbyxkey, 'dist': utils.distkey}
sortkey = sorters[args.sort]
lines.epsilon = args.dist
for f in utils.xpand(args.files):
logging.info('Starting file "{}"'.format(f))
try:
ofn = utils.outname(f, extension='.nc')
data = dx.parse(f)
entities = dx.entities(data)
except ValueError as ex:
logging.info(str(ex))
fns = "error during processing. Skipping file '{}'."
logging.error(fns.format(f))
continue
except IOError as ex:
logging.info(str(ex))
logging.error("i/o error in file '{}'. Skipping it.".format(f))
continue
layers = dx.numberedlayers(entities)
entities = [e for e in entities if dx.bycode(e, 8) in layers]
num = len(entities)
if num == 0:
logging.info("no entities found! Skipping file '{}'.".format(f))
continue
logging.info('{} entities found.'.format(num))
out = gerbernc.Writer(ofn)
for layername in layers:
out.newpiece()
thislayer = dx.fromlayer(entities, layername)
ls = '{} entities found in layer "{}".'
logging.info(ls.format(len(thislayer), layername))
segments = lines.mksegments(thislayer)
fs = '{} segments in layer "{}"'
logging.info(fs.format(len(segments), layername))
if args.contours:
cut_contours(segments, out, layername, sortkey)
else:
segments.sort(key=sortkey)
cut_segments(segments, out)
out.write()
def main():
"""
Entry point for dxf2nc.py.
"""
args = process_arguments()
sorters = {'xy': utils.bbxykey, 'yx': utils.bbyxkey, 'dist': utils.distkey}
sortkey = sorters[args.sort]
lines.epsilon = args.dist
for f in utils.xpand(args.files):
logging.info('Starting file "{}"'.format(f))
try:
ofn = utils.outname(f, extension='.nc')
data = dx.parse(f)
entities = dx.entities(data)
except ValueError as ex:
logging.info(str(ex))
fns = "error during processing. Skipping file '{}'."
logging.error(fns.format(f))
continue
except IOError as ex:
logging.info(str(ex))
logging.error("i/o error in file '{}'. Skipping it.".format(f))
continue
layers = dx.numberedlayers(entities)
entities = [e for e in entities if dx.bycode(e, 8) in layers]
num = len(entities)
if num == 0:
logging.info("no entities found! Skipping file '{}'.".format(f))
continue
logging.info('{} entities found.'.format(num))
out = gerbernc.Writer(ofn)
for layername in layers:
out.newpiece()
thislayer = dx.fromlayer(entities, layername)
ls = '{} entities found in layer "{}".'
logging.info(ls.format(len(thislayer), layername))
segments = lines.mksegments(thislayer)
fs = '{} segments in layer "{}"'
logging.info(fs.format(len(segments), layername))
if args.contours:
cut_contours(segments, out, layername, sortkey)
else:
segments.sort(key=sortkey)
cut_segments(segments, out)
out.write()
def main():
"""
Entry point for dxfgerber.py.
"""
args = process_arguments()
sorters = {'xy': utils.bbxykey, 'yx': utils.bbyxkey, 'dist': utils.distkey}
sortkey = sorters[args.sort]
lines.epsilon = args.dist
for f in utils.xpand(args.files):
logging.info('starting file "{}"'.format(f))
try:
ofn = utils.outname(f, extension='.dxf', addenum='_mod')
data = dx.parse(f)
entities = dx.entities(data)
except ValueError as ex:
logging.info(str(ex))
fns = "error during processing. Skipping file '{}'."
logging.error(fns.format(f))
continue
except IOError as ex:
logging.info(str(ex))
logging.error("i/o error in file '{}'. Skipping it.".format(f))
continue
layers = dx.numberedlayers(entities)
entities = [e for e in entities if dx.bycode(e, 8) in layers]
num = len(entities)
if num == 0:
logging.info("no entities found! Skipping file '{}'.".format(f))
continue
logging.info('{} entities found.'.format(num))
with open(ofn, 'w') as out:
out.write(dxfheader)
for layername in layers:
thislayer = dx.fromlayer(entities, layername)
ls = '{} entities found in layer "{}".'
logging.info(ls.format(num, layername))
segments = lines.mksegments(thislayer)
fs = '{} segments in layer "{}"'
logging.info(fs.format(len(segments), layername))
write_allseg(segments, out, layername, sortkey)
out.write(dxffooter)
def main():
"""
Entry point for dxfgerber.py.
"""
args = process_arguments()
sorters = {'xy': utils.bbxykey, 'yx': utils.bbyxkey, 'dist': utils.distkey}
sortkey = sorters[args.sort]
lines.epsilon = args.dist
for f in utils.xpand(args.files):
logging.info('starting file "{}"'.format(f))
try:
ofn = utils.outname(f, extension='.dxf', addenum='_mod')
data = dx.parse(f)
entities = dx.entities(data)
except ValueError as ex:
logging.info(str(ex))
fns = "error during processing. Skipping file '{}'."
logging.error(fns.format(f))
continue
except IOError as ex:
logging.info(str(ex))
logging.error("i/o error in file '{}'. Skipping it.".format(f))
continue
layers = dx.numberedlayers(entities)
entities = [e for e in entities if dx.bycode(e, 8) in layers]
num = len(entities)
if num == 0:
logging.info("no entities found! Skipping file '{}'.".format(f))
continue
logging.info('{} entities found.'.format(num))
with open(ofn, 'w') as out:
out.write(dxfheader)
for layername in layers:
thislayer = dx.fromlayer(entities, layername)
ls = '{} entities found in layer "{}".'
logging.info(ls.format(num, layername))
segments = lines.mksegments(thislayer)
fs = '{} segments in layer "{}"'
logging.info(fs.format(len(segments), layername))
write_allseg(segments, out, layername, sortkey)
out.write(dxffooter)
def main():
"""
Entry point for dxf2pdf.py.
"""
args = process_arguments()
for f in utils.xpand(args.files):
logging.info('starting file "{}"'.format(f))
try:
ofn = utils.outname(f, extension='.pdf', addenum='_dxf')
data = dxf.parse(f)
entities = dxf.entities(data)
except ValueError as ex:
logging.info(str(ex))
fns = "cannot construct output filename. Skipping file '{}'."
logging.error(fns.format(f))
continue
except IOError as ex:
logging.info(str(ex))
logging.error("cannot open the file '{}'. Skipping it.".format(f))
continue
output(f, ofn, entities, args)
def main():
"""
Entry point for dxf2pdf.py.
"""
args = process_arguments()
for f in utils.xpand(args.files):
logging.info('starting file "{}"'.format(f))
try:
ofn = utils.outname(f, extension='.pdf', addenum='_dxf')
data = dxf.parse(f)
entities = dxf.entities(data)
except ValueError as ex:
logging.info(str(ex))
fns = "cannot construct output filename. Skipping file '{}'."
logging.error(fns.format(f))
continue
except IOError as ex:
logging.info(str(ex))
logging.error("cannot open the file '{}'. Skipping it.".format(f))
continue
output(f, ofn, entities, args)
def main():
"""
Entry point for nc2pdf.py.
"""
args = process_arguments()
for fn in utils.xpand(args.files):
logging.info('starting file "{}"'.format(fn))
try:
ofn = utils.outname(fn, extension='.pdf', addenum='_nc')
cuts = list(gerbernc.segments(fn))
except ValueError as e:
logging.info(str(e))
fns = "cannot construct output filename. Skipping file '{}'."
logging.error(fns.format(fn))
continue
except IOError as e:
logging.info("cannot read file: {}".format(e))
logging.error("i/o error, skipping file '{}'".format(fn))
continue
cnt = len(cuts)
logging.info('got {} cuts'.format(cnt))
xvals = [pnt[0] for s in cuts for pnt in s]
yvals = [pnt[1] for s in cuts for pnt in s]
minx, maxx = min(xvals), max(xvals)
miny, maxy = min(yvals), max(yvals)
bs = '{} range from {:.1f} mm to {:.1f} mm'
logging.info(bs.format('X', minx, maxx))
logging.info(bs.format('Y', miny, maxy))
logging.info('plotting the cuts')
out, ctx = plot.setup(ofn, minx, miny, maxx, maxy)
plot.grid(ctx, minx, miny, maxx, maxy)
plot.lines(ctx, cuts)
plot.title(ctx, 'nc2pdf', ofn, maxy - miny)
out.show_page()
logging.info('writing output file "{}"'.format(ofn))
out.finish()
logging.info('file "{}" done.'.format(fn))
def main(argv):
"""Main program for the readnc utility.
:param argv: command line arguments
"""
parser = argparse.ArgumentParser(description=__doc__)
group = parser.add_mutually_exclusive_group()
group.add_argument('-L',
'--license',
action=LicenseAction,
nargs=0,
help="print the license")
group.add_argument('-V',
'--version',
action='version',
version=__version__)
parser.add_argument('files',
nargs='*',
help='one or more file names',
metavar='file')
pv = parser.parse_args(argv)
if not pv.files:
parser.print_help()
sys.exit(0)
for fn in utils.xpand(pv.files):
try:
rd = gerbernc.Reader(fn)
except IOError as e:
utils.skip(e, fn)
continue
except ValueError as e:
utils.skip(e, fn)
continue
# print the file
for cmd, _ in rd:
print(cmd)
def main(argv):
"""Main program for the dxfgerber utility.
:param argv: command line arguments
"""
parser = argparse.ArgumentParser(description=__doc__)
argtxt = """maximum distance between two points considered equal when
searching for contours (defaults to 0.5 mm)"""
parser.add_argument('-l',
'--limit',
nargs=1,
help=argtxt,
dest='limit',
metavar='F',
type=float,
default=0.5)
group = parser.add_mutually_exclusive_group()
group.add_argument('-L',
'--license',
action=LicenseAction,
nargs=0,
help="print the license")
group.add_argument('-V',
'--version',
action='version',
version=__version__)
parser.add_argument('-v', '--verbose', dest='verbose', action="store_true")
parser.add_argument('files',
nargs='*',
help='one or more file names',
metavar='file')
pv = parser.parse_args(argv)
msg = utils.Msg(pv.verbose)
lim = pv.limit**2
if not pv.files:
parser.print_help()
sys.exit(0)
for f in utils.xpand(pv.files):
msg.say('Starting file "{}"'.format(f))
try:
ofn = utils.outname(f, extension='.dxf', addenum='_mod')
entities = dxf.reader(f)
except Exception as ex: # pylint: disable=W0703
utils.skip(ex, f)
continue
num = len(entities)
if num == 0:
msg.say('No entities found!')
continue
if num > 1:
msg.say('Contains {} entities'.format(num))
bbe = [e.bbox for e in entities]
bb = bbox.merge(bbe)
msg.say('Gathering connected entities into contours')
contours, rement = ent.findcontours(entities, lim)
ncon = 'Found {} contours, {} remaining single entities'
msg.say(ncon.format(len(contours), len(rement)))
entities = contours + rement
msg.say('Sorting entities')
entities.sort(key=lambda e: (e.bbox.minx, e.bbox.miny))
else:
msg.say('Contains: 1 entity')
bb = entities[0].bbox
es = 'Original extents: {:.1f} ≤ x ≤ {:.1f} mm,' \
' {:.1f} ≤ y ≤ {:.1f} mm'
msg.say(es.format(bb.minx, bb.maxx, bb.miny, bb.maxy))
# move entities so that the bounding box begins at 0,0
if bb.minx != 0 or bb.miny != 0:
ms = 'Moving all entities by ({:.1f}, {:.1f}) mm'
msg.say(ms.format(-bb.minx, -bb.miny))
for e in entities:
e.move(-bb.minx, -bb.miny)
length = sum(e.length for e in entities)
msg.say('Total length of entities: {:.0f} mm'.format(length))
msg.say('Writing output to "{}"'.format(ofn))
dxf.writer(ofn, 'dxfgerber', entities)
msg.say('File "{}" done.'.format(f))
def main(argv):
"""Main program for the dxf2nc utility.
:param argv: command line arguments
"""
parser = argparse.ArgumentParser(description=__doc__)
argtxt = """maximum distance between two points considered equal when
searching for contours (defaults to 0.5 mm)"""
argtxt2 = u"""minimum rotation angle in degrees where the knife needs
to be lifted to prevent breaking (defaults to 60°)"""
argtxt4 = "assemble connected lines into contours (off by default)"
parser.add_argument('-l',
'--limit',
help=argtxt,
dest='limit',
metavar='F',
type=float,
default=0.5)
parser.add_argument('-a',
'--angle',
help=argtxt2,
dest='ang',
metavar='F',
type=float,
default=60)
parser.add_argument('-c',
'--contours',
help=argtxt4,
dest='contours',
action="store_true")
group = parser.add_mutually_exclusive_group()
group.add_argument('-L',
'--license',
action=LicenseAction,
nargs=0,
help="print the license")
group.add_argument('-V',
'--version',
action='version',
version=__version__)
parser.add_argument('-v', '--verbose', dest='verbose', action="store_true")
parser.add_argument('files',
nargs='*',
help='one or more file names',
metavar='file')
pv = parser.parse_args(argv)
msg = utils.Msg(pv.verbose)
lim = pv.limit**2
if not pv.files:
parser.print_help()
sys.exit(0)
for f in utils.xpand(pv.files):
parts = []
msg.say('Starting file "{}"'.format(f))
try:
ofn = utils.outname(f, extension='')
entities = dxf.reader(f)
except Exception as ex: # pylint: disable=W0703
utils.skip(ex, f)
continue
# separate entities into parts according to their layers
layers = {e.layer for e in entities}
# Delete layer names that are not numbers
layers = [la for la in layers if re.search('^[0-9]+', la)]
layers.sort(key=lambda x: int(x)) # sort by integer value!
# remove entities from unused layers.
entities = [e for e in entities if e.layer in layers]
num = len(entities)
if num == 0:
msg.say('No entities found!')
continue
if num > 1:
msg.say('Contains {} entities'.format(num))
bbe = [e.bbox for e in entities]
bb = bbox.merge(bbe)
es = 'Original extents: {:.1f} ≤ x ≤ {:.1f} mm,' \
' {:.1f} ≤ y ≤ {:.1f} mm'
msg.say(es.format(bb.minx, bb.maxx, bb.miny, bb.maxy))
for layer in layers:
msg.say('Found layer: "{}"'.format(layer))
le = [e for e in entities if e.layer == layer]
if pv.contours:
msg.say('Gathering connected entities into contours')
contours, rement = ent.findcontours(le, lim)
for c in contours:
c.layer = layer
ncon = 'Found {} contours, {} remaining single entities'
msg.say(ncon.format(len(contours), len(rement)))
le = contours + rement
msg.say('Sorting entities')
le.sort(key=lambda e: (e.bbox.minx, e.bbox.miny))
parts.append(le)
msg.say('Sorting pieces')
parts.sort(key=lambda p: bbox.merge([e.bbox for e in p]).minx)
length = sum(e.length for e in entities)
msg.say('Total length of entities: {:.0f} mm'.format(length))
msg.say('Writing output to "{}"'.format(ofn))
write_entities(ofn, parts, pv.ang)
msg.say('File "{}" done.'.format(f))
def main(argv):
"""Main program for the readdxf utility.
:param argv: command line arguments
"""
parser = argparse.ArgumentParser(description=__doc__)
group = parser.add_mutually_exclusive_group()
group.add_argument('-L',
'--license',
action=LicenseAction,
nargs=0,
help="print the license")
group.add_argument('-V',
'--version',
action='version',
version=__version__)
parser.add_argument('-v', '--verbose', dest='verbose', action="store_true")
parser.add_argument('files',
nargs='*',
help='one or more file names',
metavar='file')
pv = parser.parse_args(argv)
msg = utils.Msg(pv.verbose)
if not pv.files:
parser.print_help()
sys.exit(0)
offset = 40
for f in utils.xpand(pv.files):
msg.say('Starting file "{}"'.format(f))
try:
ofn = utils.outname(f, extension='.pdf', addenum='_dxf')
entities = dxf.reader(f)
except ValueError as ex:
msg.say(str(ex))
fns = "Cannot construct output filename. Skipping file '{}'."
msg.say(fns.format(f))
continue
except IOError as ex:
msg.say(str(ex))
msg.say("Cannot open the file '{}'. Skipping it.".format(f))
continue
# Output
num = len(entities)
if num == 0:
msg.say('No entities found!')
continue
if num > 1:
msg.say('Contains {} entities'.format(num))
bbx = [e.bbox for e in entities]
bb = bbox.merge(bbx)
else:
msg.say('Contains: 1 entity')
bb = entities[0].bbox
w = bb.width + offset
h = bb.height + offset
xf = cairo.Matrix(xx=1.0, yy=-1.0, y0=h)
out = cairo.PDFSurface(ofn, w, h)
ctx = cairo.Context(out)
ctx.set_matrix(xf)
ctx.set_line_cap(cairo.LINE_CAP_ROUND)
ctx.set_line_join(cairo.LINE_JOIN_ROUND)
ctx.set_line_width(0.5)
plot.plotgrid(ctx, w, h)
colors = plot.crange(380, 650, len(entities))
msg.say('Plotting the entities')
plot.plotentities(ctx, (offset / 2 - bb.minx, offset / 2 - bb.miny),
entities, colors)
# plot the color bar
plot.plotcolorbar(ctx, w, len(entities), colors)
# Plot the filename
ctx.save()
ctx.set_matrix(cairo.Matrix(xx=1.0, yy=1.0))
ctx.select_font_face('Sans')
fh = min(10, h / 40)
ctx.set_source_rgb(0.0, 0.0, 0.0)
ctx.set_font_size(fh)
ctx.move_to(5, fh + 5)
txt = ' '.join([
'Produced by: dxf2pdf', __version__, 'on',
str(datetime.datetime.now())[:-10]
])
ctx.show_text(txt)
ctx.stroke()
fh = min(30, h / 20)
ctx.move_to(5, h - 15)
txt = 'File: "{}", last modified: {}'
ctx.show_text(txt.format(f, time.ctime(os.path.getmtime(f))))
ctx.stroke()
ctx.restore()
# Finish the page.
out.show_page()
out.finish()
msg.say('File "{}" done.'.format(f))
def main(argv):
"""Main program for the readdxf utility.
:param argv: command line arguments
"""
parser = argparse.ArgumentParser(description=__doc__)
argtxt = """maximum distance between two points considered equal when
searching for contours (defaults to 0.5 mm)"""
parser.add_argument('-l',
'--limit',
nargs='?',
help=argtxt,
dest='limit',
type=float,
default=0.5)
group = parser.add_mutually_exclusive_group()
group.add_argument('-L',
'--license',
action=LicenseAction,
nargs=0,
help="print the license")
group.add_argument('-V',
'--version',
action='version',
version=__version__)
parser.add_argument('files',
metavar='file',
nargs='*',
help='one or more file names')
pv = parser.parse_args(argv)
msg = utils.Msg()
lim = pv.limit**2
parts = []
if not pv.files:
parser.print_help()
sys.exit(0)
for f in utils.xpand(pv.files):
try:
entities = dxf.reader(f)
except Exception as ex:
utils.skip(ex, f)
continue
num = len(entities)
msg.say('Filename: {}'.format(f))
if num == 0:
msg.say('No entities found!')
sys.exit(1)
if num > 1:
msg.say('Contains: {} entities'.format(num))
bbe = [e.bbox for e in entities]
bb = bbox.merge(bbe)
layers = {e.layer for e in entities}
for layer in layers:
msg.say('Layer: "{}"'.format(layer))
le = [e for e in entities if e.layer == layer]
contours, rement = ent.findcontours(le, lim)
for c in contours:
c.layer = layer
ncon = 'Found {} contours, {} remaining single entities'
msg.say(ncon.format(len(contours), len(rement)))
le = contours + rement
le.sort(key=lambda x: x.bbox.minx)
parts.append(le)
else:
msg.say('Contains: 1 entity')
msg.say('Layer: "{}"'.format(entities[0].layer))
bb = entities[0].bbox
parts.append(entities)
es = 'Extents: {:.1f} ≤ x ≤ {:.1f}, {:.1f} ≤ y ≤ {:.1f}'
msg.say(es.format(bb.minx, bb.maxx, bb.miny, bb.maxy))
length = sum(e.length for e in entities)
msg.say('Total length of entities: {:.0f} mm'.format(length))
for p in parts:
msg.say('Layer: "{}"'.format(p[0].layer))
for e in p:
msg.say(e)
if isinstance(e, ent.Contour):
for c in e.entities:
msg.say('..', c)
def main(argv):
"""Main program for the nc2pdf utility.
:argv: command line arguments
"""
parser = argparse.ArgumentParser(description=__doc__)
group = parser.add_mutually_exclusive_group()
group.add_argument('-L',
'--license',
action=LicenseAction,
nargs=0,
help="print the license")
group.add_argument('-V',
'--version',
action='version',
version=__version__)
parser.add_argument('-v', '--verbose', dest='verbose', action="store_true")
parser.add_argument('files',
nargs='*',
help='one or more file names',
metavar='file')
pv = parser.parse_args(argv)
msg = utils.Msg(pv.verbose)
offset = 40
if not pv.files:
parser.print_help()
sys.exit(0)
for fn in utils.xpand(pv.files):
msg.say('Starting file "{}"'.format(fn))
try:
ofn = utils.outname(fn, extension='.pdf', addenum='_nc')
rd = gerbernc.Reader(fn)
except ValueError as e:
msg.say(str(e))
fns = "Cannot construct output filename. Skipping file '{}'."
msg.say(fns.format(fn))
continue
except IOError as e:
msg.say("Cannot read file: {}".format(e))
msg.say("Skipping file '{}'".format(fn))
continue
cuts, xvals, yvals = getcuts(rd)
cnt = len(cuts)
msg.say('Got {} cuts'.format(cnt))
minx, maxx = min(xvals), max(xvals)
miny, maxy = min(yvals), max(yvals)
bs = '{} range from {:.1f} mm to {:.1f} mm'
msg.say(bs.format('X', minx, maxx))
msg.say(bs.format('Y', miny, maxy))
w = maxx - minx + offset
h = maxy - miny + offset
msg.say('Plotting the cuts')
# Produce PDF output. Scale factor is 1 mm real =
# 1 PostScript point in the PDF file
xf = cairo.Matrix(xx=1.0, yy=-1.0, y0=h)
out = cairo.PDFSurface(ofn, w, h)
ctx = cairo.Context(out)
ctx.set_matrix(xf)
ctx.set_line_cap(cairo.LINE_CAP_ROUND)
ctx.set_line_join(cairo.LINE_JOIN_ROUND)
ctx.set_line_width(0.5)
# Plot a grid in red
plot.plotgrid(ctx, w, h)
# Plot the cutlines
colors = plot.crange(380, 650, cnt)
# Plot in colors
ctx.save()
ctx.translate(offset / 2 - minx, offset / 2 - miny)
for section, (r, g, b) in zip(cuts, colors):
x1, y1 = section.pop(0)
ctx.move_to(x1, y1)
ctx.set_source_rgb(r / 255.0, g / 255.0, b / 255.0)
for x2, y2 in section:
ctx.line_to(x2, y2)
ctx.stroke()
ctx.restore()
# plot the color bar
plot.plotcolorbar(ctx, w, cnt, colors)
# Plot the filename
ctx.save()
ctx.set_matrix(cairo.Matrix(xx=1.0, yy=1.0))
ctx.select_font_face('Sans')
fh = min(10, h / 40)
ctx.set_source_rgb(0.0, 0.0, 0.0)
ctx.set_font_size(fh)
ctx.move_to(5, fh + 5)
txt = ' '.join([
'Produced by: nc2pdf', __version__, 'on',
str(datetime.datetime.now())[:-10]
])
ctx.show_text(txt)
ctx.stroke()
fh = min(30, h / 20)
ctx.move_to(5, h - 15)
txt = 'File: "{}", last modified: {}'
ctx.show_text(txt.format(fn, time.ctime(os.path.getmtime(fn))))
ctx.stroke()
ctx.restore()
# Finish the page.
out.show_page()
msg.say('Writing output file "{}"'.format(ofn))
out.finish()
msg.say('File "{}" done.'.format(fn))