check_ocrmypdf(
resources / 'crom.png',
outpdf,
'--image-dpi',
'200',
'--optimize',
'3',
'--jpg-quality',
'50',
'--png-quality',
'20',
env=spoof_tesseract_noop,
)
@pytest.mark.skipif(not jbig2enc.available(), reason='need jbig2enc')
@pytest.mark.parametrize('lossy', [False, True])
def test_jbig2_lossy(lossy, resources, outpdf, spoof_tesseract_noop):
args = [
resources / 'ccitt.pdf',
outpdf,
'--image-dpi',
'200',
'--optimize',
3,
'--jpg-quality',
'50',
'--png-quality',
'20',
]
if lossy:
def test_jpg_png_params(resources, outpdf, spoof_tesseract_noop):
check_ocrmypdf(resources / 'crom.png',
outpdf,
'--image-dpi',
'200',
'--optimize',
'3',
'--jpg-quality',
'50',
'--png-quality',
'20',
env=spoof_tesseract_noop)
@pytest.mark.skipif(not jbig2enc.available(), reason='need jbig2enc')
@pytest.mark.parametrize('lossy', [False, True])
def test_jbig2_lossy(lossy, resources, outpdf, spoof_tesseract_noop):
args = [
resources / 'ccitt.pdf', outpdf, '--image-dpi', '200', '--optimize', 3,
'--jpg-quality', '50', '--png-quality', '20'
]
if lossy:
args.append('--jbig2-lossy')
check_ocrmypdf(*args, env=spoof_tesseract_noop)
pdf = pikepdf.open(outpdf)
pim = pikepdf.PdfImage(next(iter(pdf.pages[0].images.values())))
assert pim.filters[0] == '/JBIG2Decode'
def test_mono_not_inverted(resources, outdir):
infile = resources / '2400dpi.pdf'
opt.main(infile, outdir / 'out.pdf', level=3)
rasterize_pdf(outdir / 'out.pdf',
outdir / 'im.png',
xres=10,
yres=10,
raster_device='pnggray',
log=logging.getLogger(name='test_mono_flip'))
im = Image.open(fspath(outdir / 'im.png'))
assert im.getpixel((0, 0)) == 255, "Expected white background"
@pytest.mark.skipif(not jbig2enc.available(), reason='need jbig2enc')
def test_jpg_png_params(resources, outpdf, spoof_tesseract_noop):
check_ocrmypdf(resources / 'crom.png',
outpdf,
'--image-dpi',
'200',
'--optimize',
'2',
'--jpg-quality',
'50',
'--png-quality',
'20',
env=spoof_tesseract_noop)