paper/img2pdf
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add error and warning output

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josch 2013-10-23 08:49:43 +02:00
parent 19781f21bd
commit 4bca045e64
1 changed files with 8 additions and 3 deletions
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11
img2pdf.py
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@ -63,6 +63,10 @@ def main(images, dpi, title=None, author=None, creator=None, producer=None,
def debug_out(message):
if verbose:
sys.stderr.write("D: "+message+"\n")
def error_out(message):
sys.stderr.write("E: "+message+"\n")
def warning_out(message):
sys.stderr.write("W: "+message+"\n")
info = dict()
if title:
@ -103,8 +107,8 @@ def main(images, dpi, title=None, author=None, creator=None, producer=None,
except IOError as e:
# test if it is a jpeg2000 image
if rawdata[:12] != "\x00\x00\x00\x0C\x6A\x50\x20\x20\x0D\x0A\x87\x0A":
print "cannot read input image (not jpeg2000)"
print "PIL: %s"%e
error_out("cannot read input image (not jpeg2000)")
error_out("PIL: %s"%e)
exit(1)
# image is jpeg2000
width, height, ics = parsejp2(rawdata)
@ -113,6 +117,7 @@ def main(images, dpi, title=None, author=None, creator=None, producer=None,
color = colorspace
else:
color = ics
debug_out("input colorspace = %s"%(ics))
if dpi:
dpi_x, dpi_y = dpi, dpi
else:
@ -142,7 +147,7 @@ def main(images, dpi, title=None, author=None, creator=None, producer=None,
imgdata = imgdata.convert('L')
color = "/DeviceGray"
else:
print "unsupported color space:", color
error_out("unsupported color space: %s"%color)
exit(1)
pdf_x, pdf_y = 72.0*width/dpi_x, 72.0*height/dpi_y # pdf units = 1/72 inch