add miff tests for cmyk8 and rgb8
This commit is contained in:
Johannes Schauer Marin Rodrigues
parent
af6fe27d53
commit
c857f1c748
2 changed files with 185 additions and 5 deletions
|
|
@ -1664,12 +1664,21 @@ def parse_miff(data):
|
|||
hdata["rows"],
|
||||
lenimgdata,
|
||||
)
|
||||
if colorspace == Colorspace.RGB and hdata["depth"] == 8:
|
||||
newimg = Image.frombytes("RGB", (hdata["columns"], hdata["rows"]), rest[:lenimgdata])
|
||||
imgdata, palette, depth = to_png_data(newimg)
|
||||
assert palette == b""
|
||||
assert depth == hdata["depth"]
|
||||
imgfmt = ImageFormat.PNG
|
||||
else:
|
||||
imgdata = zlib.compress(rest[:lenimgdata])
|
||||
imgfmt = ImageFormat.MIFF
|
||||
results.append(
|
||||
(
|
||||
colorspace,
|
||||
hdata.get("resolution") or (default_dpi, default_dpi),
|
||||
ImageFormat.MIFF,
|
||||
zlib.compress(rest[:lenimgdata]),
|
||||
imgfmt,
|
||||
imgdata,
|
||||
None, # smask
|
||||
hdata["columns"],
|
||||
hdata["rows"],
|
||||
|
|
|
|||
|
|
@ -291,7 +291,7 @@ def write_png(data, path, bitdepth, colortype, palette=None, iccp=None):
|
|||
for j in range(valsperbyte):
|
||||
if x + j >= data.shape[1]:
|
||||
break
|
||||
val |= (data[y, x + j].astype(">u2") & (2 ** bitdepth - 1)) << (
|
||||
val |= (data[y, x + j].astype(">u2") & (2**bitdepth - 1)) << (
|
||||
(valsperbyte - j - 1) * bitdepth
|
||||
)
|
||||
raw += struct.pack(">B", val)
|
||||
|
|
@ -3875,6 +3875,53 @@ def tiff_ccitt_nometa2_img(tmp_path_factory, tmp_gray1_png):
|
|||
yield in_img
|
||||
in_img.unlink()
|
||||
|
||||
|
||||
@pytest.fixture(scope="session")
|
||||
def miff_cmyk8_img(tmp_path_factory, tmp_normal_png):
|
||||
in_img = tmp_path_factory.mktemp("miff_cmyk8") / "in.miff"
|
||||
subprocess.check_call(
|
||||
CONVERT
|
||||
+ [
|
||||
str(tmp_normal_png),
|
||||
"-colorspace",
|
||||
"cmyk",
|
||||
str(in_img),
|
||||
]
|
||||
)
|
||||
identify = json.loads(subprocess.check_output(CONVERT + [str(in_img), "json:"]))
|
||||
assert len(identify) == 1
|
||||
# somewhere between imagemagick 6.9.7.4 and 6.9.9.34, the json output was
|
||||
# put into an array, here we cater for the older version containing just
|
||||
# the bare dictionary
|
||||
if "image" in identify:
|
||||
identify = [identify]
|
||||
assert "image" in identify[0]
|
||||
assert identify[0]["image"].get("format") == "MIFF", str(identify)
|
||||
assert identify[0]["image"].get("class") == "DirectClass"
|
||||
assert identify[0]["image"].get("baseType") == "ColorSeparation"
|
||||
assert identify[0]["image"].get("geometry") == {
|
||||
"width": 60,
|
||||
"height": 60,
|
||||
"x": 0,
|
||||
"y": 0,
|
||||
}, str(identify)
|
||||
assert identify[0]["image"].get("colorspace") == "CMYK", str(identify)
|
||||
assert identify[0]["image"].get("type") == "ColorSeparation", str(identify)
|
||||
endian = "endianess" if identify[0].get("version", "0") < "1.0" else "endianness"
|
||||
assert identify[0]["image"].get(endian) in ["Undefined", "LSB",], str(
|
||||
identify
|
||||
) # FIXME: should be LSB
|
||||
assert identify[0]["image"].get("depth") == 8, str(identify)
|
||||
assert identify[0]["image"].get("pageGeometry") == {
|
||||
"width": 60,
|
||||
"height": 60,
|
||||
"x": 0,
|
||||
"y": 0,
|
||||
}, str(identify)
|
||||
yield in_img
|
||||
in_img.unlink()
|
||||
|
||||
|
||||
@pytest.fixture(scope="session")
|
||||
def miff_cmyk16_img(tmp_path_factory, tmp_normal_png):
|
||||
in_img = tmp_path_factory.mktemp("miff_cmyk16") / "in.miff"
|
||||
|
|
@ -3898,6 +3945,8 @@ def miff_cmyk16_img(tmp_path_factory, tmp_normal_png):
|
|||
identify = [identify]
|
||||
assert "image" in identify[0]
|
||||
assert identify[0]["image"].get("format") == "MIFF", str(identify)
|
||||
assert identify[0]["image"].get("class") == "DirectClass"
|
||||
assert identify[0]["image"].get("baseType") == "ColorSeparation"
|
||||
assert identify[0]["image"].get("geometry") == {
|
||||
"width": 60,
|
||||
"height": 60,
|
||||
|
|
@ -3921,6 +3970,45 @@ def miff_cmyk16_img(tmp_path_factory, tmp_normal_png):
|
|||
yield in_img
|
||||
in_img.unlink()
|
||||
|
||||
|
||||
@pytest.fixture(scope="session")
|
||||
def miff_rgb8_img(tmp_path_factory, tmp_normal_png):
|
||||
in_img = tmp_path_factory.mktemp("miff_rgb8") / "in.miff"
|
||||
subprocess.check_call(CONVERT + [str(tmp_normal_png), str(in_img)])
|
||||
identify = json.loads(subprocess.check_output(CONVERT + [str(in_img), "json:"]))
|
||||
assert len(identify) == 1
|
||||
# somewhere between imagemagick 6.9.7.4 and 6.9.9.34, the json output was
|
||||
# put into an array, here we cater for the older version containing just
|
||||
# the bare dictionary
|
||||
if "image" in identify:
|
||||
identify = [identify]
|
||||
assert "image" in identify[0]
|
||||
assert identify[0]["image"].get("format") == "MIFF", str(identify)
|
||||
assert identify[0]["image"].get("class") == "DirectClass"
|
||||
assert identify[0]["image"].get("baseType") == "TrueColor"
|
||||
assert identify[0]["image"].get("geometry") == {
|
||||
"width": 60,
|
||||
"height": 60,
|
||||
"x": 0,
|
||||
"y": 0,
|
||||
}, str(identify)
|
||||
assert identify[0]["image"].get("colorspace") == "sRGB", str(identify)
|
||||
assert identify[0]["image"].get("type") == "TrueColor", str(identify)
|
||||
endian = "endianess" if identify[0].get("version", "0") < "1.0" else "endianness"
|
||||
assert identify[0]["image"].get(endian) in ["Undefined", "LSB",], str(
|
||||
identify
|
||||
) # FIXME: should be LSB
|
||||
assert identify[0]["image"].get("depth") == 8, str(identify)
|
||||
assert identify[0]["image"].get("pageGeometry") == {
|
||||
"width": 60,
|
||||
"height": 60,
|
||||
"x": 0,
|
||||
"y": 0,
|
||||
}, str(identify)
|
||||
yield in_img
|
||||
in_img.unlink()
|
||||
|
||||
|
||||
@pytest.fixture(scope="session")
|
||||
def png_icc_img(tmp_icc_png):
|
||||
in_img = tmp_icc_png
|
||||
|
|
@ -5306,6 +5394,32 @@ def tiff_ccitt_nometa2_pdf(tmp_path_factory, tiff_ccitt_nometa2_img, request):
|
|||
out_pdf.unlink()
|
||||
|
||||
|
||||
@pytest.fixture(scope="session", params=["internal", "pikepdf"])
|
||||
def miff_cmyk8_pdf(tmp_path_factory, miff_cmyk8_img, request):
|
||||
out_pdf = tmp_path_factory.mktemp("miff_cmyk8_pdf") / "out.pdf"
|
||||
subprocess.check_call(
|
||||
[
|
||||
img2pdfprog,
|
||||
"--producer=",
|
||||
"--nodate",
|
||||
"--engine=" + request.param,
|
||||
"--output=" + str(out_pdf),
|
||||
str(miff_cmyk8_img),
|
||||
]
|
||||
)
|
||||
with pikepdf.open(str(out_pdf)) as p:
|
||||
assert (
|
||||
p.pages[0].Contents.read_bytes()
|
||||
== b"q\n45.0000 0 0 45.0000 0.0000 0.0000 cm\n/Im0 Do\nQ"
|
||||
)
|
||||
assert p.pages[0].Resources.XObject.Im0.BitsPerComponent == 8
|
||||
assert p.pages[0].Resources.XObject.Im0.ColorSpace == "/DeviceCMYK"
|
||||
assert p.pages[0].Resources.XObject.Im0.Filter == "/FlateDecode"
|
||||
assert p.pages[0].Resources.XObject.Im0.Height == 60
|
||||
assert p.pages[0].Resources.XObject.Im0.Width == 60
|
||||
yield out_pdf
|
||||
out_pdf.unlink()
|
||||
|
||||
|
||||
@pytest.fixture(scope="session", params=["internal", "pikepdf"])
|
||||
def miff_cmyk16_pdf(tmp_path_factory, miff_cmyk16_img, request):
|
||||
|
|
@ -5334,6 +5448,35 @@ def miff_cmyk16_pdf(tmp_path_factory, miff_cmyk16_img, request):
|
|||
out_pdf.unlink()
|
||||
|
||||
|
||||
@pytest.fixture(scope="session", params=["internal", "pikepdf"])
|
||||
def miff_rgb8_pdf(tmp_path_factory, miff_rgb8_img, request):
|
||||
out_pdf = tmp_path_factory.mktemp("miff_rgb8_pdf") / "out.pdf"
|
||||
subprocess.check_call(
|
||||
[
|
||||
img2pdfprog,
|
||||
"--producer=",
|
||||
"--nodate",
|
||||
"--engine=" + request.param,
|
||||
"--output=" + str(out_pdf),
|
||||
str(miff_rgb8_img),
|
||||
]
|
||||
)
|
||||
with pikepdf.open(str(out_pdf)) as p:
|
||||
assert (
|
||||
p.pages[0].Contents.read_bytes()
|
||||
== b"q\n45.0000 0 0 45.0000 0.0000 0.0000 cm\n/Im0 Do\nQ"
|
||||
)
|
||||
assert p.pages[0].Resources.XObject.Im0.BitsPerComponent == 8
|
||||
assert p.pages[0].Resources.XObject.Im0.ColorSpace == "/DeviceRGB"
|
||||
assert p.pages[0].Resources.XObject.Im0.DecodeParms.BitsPerComponent == 8
|
||||
assert p.pages[0].Resources.XObject.Im0.DecodeParms.Colors == 3
|
||||
assert p.pages[0].Resources.XObject.Im0.DecodeParms.Predictor == 15
|
||||
assert p.pages[0].Resources.XObject.Im0.Filter == "/FlateDecode"
|
||||
assert p.pages[0].Resources.XObject.Im0.Height == 60
|
||||
assert p.pages[0].Resources.XObject.Im0.Width == 60
|
||||
yield out_pdf
|
||||
out_pdf.unlink()
|
||||
|
||||
|
||||
###############################################################################
|
||||
# TEST CASES #
|
||||
|
|
@ -6201,14 +6344,42 @@ def test_tiff_ccitt_nometa2(
|
|||
sys.platform in ["win32"],
|
||||
reason="test utilities not available on Windows and MacOS",
|
||||
)
|
||||
def test_miff_cmyk16(tmp_path_factory, miff_cmyk16_img, tiff_cmyk16_img, miff_cmyk16_pdf):
|
||||
def test_miff_cmyk8(tmp_path_factory, miff_cmyk8_img, tiff_cmyk8_img, miff_cmyk8_pdf):
|
||||
tmpdir = tmp_path_factory.mktemp("miff_cmyk8")
|
||||
compare_ghostscript(
|
||||
tmpdir, tiff_cmyk8_img, miff_cmyk8_pdf, gsdevice="tiff32nc", exact=False
|
||||
)
|
||||
# not testing with poppler as it cannot write CMYK images
|
||||
compare_mupdf(tmpdir, tiff_cmyk8_img, miff_cmyk8_pdf, exact=False, cmyk=True)
|
||||
compare_pdfimages_tiff(tmpdir, tiff_cmyk8_img, miff_cmyk8_pdf)
|
||||
|
||||
|
||||
@pytest.mark.skipif(
|
||||
sys.platform in ["win32"],
|
||||
reason="test utilities not available on Windows and MacOS",
|
||||
)
|
||||
def test_miff_cmyk16(
|
||||
tmp_path_factory, miff_cmyk16_img, tiff_cmyk16_img, miff_cmyk16_pdf
|
||||
):
|
||||
tmpdir = tmp_path_factory.mktemp("miff_cmyk16")
|
||||
compare_ghostscript(
|
||||
tmpdir, tiff_cmyk16_img, miff_cmyk16_pdf, gsdevice="tiff32nc", exact=False
|
||||
)
|
||||
# not testing with poppler as it cannot write CMYK images
|
||||
compare_mupdf(tmpdir, tiff_cmyk16_img, miff_cmyk16_pdf, exact=False, cmyk=True)
|
||||
#compare_pdfimages_tiff(tmpdir, tiff_cmyk16_img, miff_cmyk16_pdf)
|
||||
# compare_pdfimages_tiff(tmpdir, tiff_cmyk16_img, miff_cmyk16_pdf)
|
||||
|
||||
|
||||
@pytest.mark.skipif(
|
||||
sys.platform in ["win32"],
|
||||
reason="test utilities not available on Windows and MacOS",
|
||||
)
|
||||
def test_miff_rgb8(tmp_path_factory, miff_rgb8_img, tiff_rgb8_img, miff_rgb8_pdf):
|
||||
tmpdir = tmp_path_factory.mktemp("miff_rgb8")
|
||||
compare_ghostscript(tmpdir, tiff_rgb8_img, miff_rgb8_pdf, gsdevice="tiff24nc")
|
||||
compare_poppler(tmpdir, tiff_rgb8_img, miff_rgb8_pdf)
|
||||
compare_mupdf(tmpdir, tiff_rgb8_img, miff_rgb8_pdf)
|
||||
compare_pdfimages_tiff(tmpdir, tiff_rgb8_img, miff_rgb8_pdf)
|
||||
|
||||
|
||||
# we define some variables so that the table below can be narrower
|
||||
|
|
|
|||
Loading…
Reference in a new issue