josch/img2pdf
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only use jp2 to parse jpeg2000 if PIL doesn't support jpeg2000

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This commit is contained in:
Johannes 'josch' Schauer 2016-02-17 20:31:46 +01:00
parent e5b0ffee6c
commit c158585618
1 changed files with 11 additions and 4 deletions
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15
src/img2pdf.py
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@ -542,11 +542,17 @@ class pdfdoc(object):
def get_imgmetadata(imgdata, imgformat, default_dpi, colorspace, rawdata=None):
if imgformat == ImageFormat.JPEG2000 and rawdata is not None:
imgwidthpx, imgheightpx, ics = parsejp2(rawdata)
if imgformat == ImageFormat.JPEG2000 \
and rawdata is not None and imgdata is None:
# this codepath gets called if the PIL installation is not able to
# handle JPEG2000 files
imgwidthpx, imgheightpx, ics, hdpi, vdpi = parsejp2(rawdata)
# TODO: read real dpi from input jpeg2000 image
ndpi = (default_dpi, default_dpi)
if hdpi is None:
hdpi = default_dpi
if vdpi is None:
vdpi = default_dpi
ndpi = (hdpi, vdpi)
else:
imgwidthpx, imgheightpx = imgdata.size
@ -591,6 +597,7 @@ def get_imgmetadata(imgdata, imgformat, default_dpi, colorspace, rawdata=None):
def read_images(rawdata, colorspace, first_frame_only=False):
im = BytesIO(rawdata)
im.seek(0)
imgdata = None
try:
imgdata = Image.open(im)
except IOError as e: