def test_set_dpi_on_tiff(sample_images):
test_jp2 = os.path.join(sample_images, "dummy.tif")
sample_image = core.Image(test_jp2)
assert sample_image.exif['Exif.Image.XResolution'] != "400/1"
assert sample_image.exif['Exif.Image.YResolution'] != "400/1"
assert sample_image.exif['Exif.Image.ResolutionUnit'] == "2"
# core.set_dpi(test_jp2, 300, 300)
core.set_dpi(image=str(test_jp2), x=300, y=300)
sample_image2 = core.Image(test_jp2)
assert sample_image2.exif['Exif.Image.XResolution'] == "300/1"
assert sample_image2.exif['Exif.Image.YResolution'] == "300/1"
assert sample_image2.exif['Exif.Image.ResolutionUnit'] == "2"
def generate_jp2(source_file: str, output_file_path: str):
in_args = [
"Clevels=5",
"Clayers=8",
"Corder=RLCP",
"Cuse_sop=yes",
"Cuse_eph=yes",
"Cmodes=RESET|RESTART|CAUSAL|ERTERM|SEGMARK",
"-no_weights",
"-slope",
"42988",
"-jp2_space",
"sRGB",
]
pykdu_compress.kdu_compress_cli2(source_file,
output_file_path,
in_args=in_args)
set_dpi(output_file_path, x=400, y=400)
def transform(self, source: str, destination: str,
logger: logging.Logger) -> str:
"""Transform jp2 hathi.
Args:
source:
destination:
logger: System logger. For debugging or passing processing data
"""
if destination.endswith(".jp2"):
new_file = destination
else:
dest = os.path.abspath(os.path.dirname(destination))
base_name = os.path.splitext(os.path.basename(source))[0]
new_name = f"{base_name}.jp2"
new_file = os.path.join(dest, new_name)
self.make_jp2(source, new_file)
logger.info(f"Fixing up {new_file} to 400 dpi")
set_dpi(new_file, x=400, y=400)
return new_file
def process(self, source_file, destination_path):
basename, ext = os.path.splitext(os.path.basename(source_file))
output_file_path = os.path.join(destination_path, basename + ".jp2")
in_args = [
"Clevels=5",
"Clayers=8",
"Corder=RLCP",
"Cuse_sop=yes",
"Cuse_eph=yes",
"Cmodes=RESET|RESTART|CAUSAL|ERTERM|SEGMARK",
"-no_weights",
"-slope",
"42988",
"-jp2_space",
"sRGB",
]
pykdu_compress.kdu_compress_cli2(source_file,
output_file_path,
in_args=in_args)
set_dpi(output_file_path, x=400, y=400)
self.status = "Generated {}".format(output_file_path)