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src/img2pdf.py: do not overwrite imgformat variable in loop as this will then affect later loop iterations and we need to retain its original value

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Johannes 'josch' Schauer 2018-08-20 10:27:27 +02:00
parent 03bdc33053
commit 50a3109c43
Signed by untrusted user: josch
GPG key ID: F2CBA5C78FBD83E1
1 changed files with 2 additions and 4 deletions
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src/img2pdf.py
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@ -957,10 +957,9 @@ def read_images(rawdata, colorspace, first_frame_only=False):
if color == Colorspace['1']: if color == Colorspace['1']:
try: try:
ccittdata = transcode_monochrome(imgdata) ccittdata = transcode_monochrome(imgdata)
imgformat = ImageFormat.CCITTGroup4
logging.debug( logging.debug(
"read_images() encoded a B/W image as CCITT group 4") "read_images() encoded a B/W image as CCITT group 4")
result.append((color, ndpi, imgformat, ccittdata, result.append((color, ndpi, ImageFormat.CCITTGroup4, ccittdata,
imgwidthpx, imgheightpx, [], False, 1)) imgwidthpx, imgheightpx, [], False, 1))
img_page_count += 1 img_page_count += 1
continue continue
@ -990,7 +989,6 @@ def read_images(rawdata, colorspace, first_frame_only=False):
pngbuffer = BytesIO() pngbuffer = BytesIO()
newimg.save(pngbuffer, format="png") newimg.save(pngbuffer, format="png")
pngidat, palette = parse_png(pngbuffer.getvalue()) pngidat, palette = parse_png(pngbuffer.getvalue())
imgformat = ImageFormat.PNG
# PIL does not provide the information about the original bits per # PIL does not provide the information about the original bits per
# sample. Thus, we retrieve that info manually by looking at byte 9 in # sample. Thus, we retrieve that info manually by looking at byte 9 in
# the IHDR chunk. We know where to find that in the file because the # the IHDR chunk. We know where to find that in the file because the
@ -1000,7 +998,7 @@ def read_images(rawdata, colorspace, first_frame_only=False):
if depth not in [1, 2, 4, 8, 16]: if depth not in [1, 2, 4, 8, 16]:
raise ValueError("invalid bit depth: %d" % depth) raise ValueError("invalid bit depth: %d" % depth)
logging.debug("read_images() encoded an image as PNG") logging.debug("read_images() encoded an image as PNG")
result.append((color, ndpi, imgformat, pngidat, imgwidthpx, result.append((color, ndpi, ImageFormat.PNG, pngidat, imgwidthpx,
imgheightpx, palette, False, depth)) imgheightpx, palette, False, depth))
img_page_count += 1 img_page_count += 1
# the python-pil version 2.3.0-1ubuntu3 in Ubuntu does not have the # the python-pil version 2.3.0-1ubuntu3 in Ubuntu does not have the