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Don't overload --oversample, use --image-dpi instead for images

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This commit is contained in:
James R. Barlow
2016-07-31 02:09:30 -07:00
parent 4356983707
commit bc5d3824bd
1 changed files with 9 additions and 6 deletions
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ocrmypdf/main.py
+9 -6
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@@ -123,6 +123,9 @@ parser.add_argument(
parser.add_argument(
'-j', '--jobs', metavar='N', type=int,
help="Use up to N CPU cores simultaneously (default: use all)")
parser.add_argument(
'--image-dpi', metavar='DPI', type=int,
help="for input image instead of PDF, use this DPI instead of file's")
metadata = parser.add_argument_group(
"Metadata options",
@@ -399,20 +402,20 @@ def triage_image_file(input_file, output_file, log):
log.info("Input file is an image")
if 'dpi' in im.info:
if im.info['dpi'] <= (96, 96) and not options.oversample:
if im.info['dpi'] <= (96, 96) and not options.image_dpi:
log.info("Image size: (%d, %d)" % im.size)
log.info("Image resolution: (%d, %d)" % im.info['dpi'])
log.error(
"Input file is an image, but the resolution (DPI) is "
"not credible. Estimate the resolution at which the "
"image was scanned and specify it using --oversample.")
"image was scanned and specify it using --image-dpi.")
sys.exit(ExitCode.input_file)
elif not options.oversample:
elif not options.image_dpi:
log.info("Image size: (%d, %d)" % im.size)
log.error(
"Input file is an image, but has no resolution (DPI) "
"in its metadata. Estimate the resolution at which "
"image was scanned and specify it using --oversample.")
"image was scanned and specify it using --image-dpi.")
sys.exit(ExitCode.input_file)
finally:
im.close()
@@ -420,9 +423,9 @@ def triage_image_file(input_file, output_file, log):
try:
log.info("Image seems valid. Try converting to PDF...")
layout_fun = img2pdf.default_layout_fun
if options.oversample:
if options.image_dpi:
layout_fun = img2pdf.get_fixed_dpi_layout_fun(
(options.oversample, options.oversample))
(options.image_dpi, options.image_dpi))
with open(output_file, 'wb') as outf:
img2pdf.convert(
input_file,