forked from josch/img2pdf
Test cases for transparency
This commit is contained in:
Tamás Zahola
Gogs
parent
7f216a8848
commit
f483638b17
1 changed files with 146 additions and 52 deletions
|
|
@ -419,6 +419,23 @@ def compare_pdfimages_tiff(tmpdir, img, pdf):
|
|||
|
||||
def compare_pdfimages_png(tmpdir, img, pdf, exact=True, icc=False):
|
||||
subprocess.check_call(["pdfimages", "-png", str(pdf), str(tmpdir / "images")])
|
||||
# images-001.png is the grayscale SMask image (the original alpha channel)
|
||||
if os.path.isfile(tmpdir / "images-001.png"):
|
||||
subprocess.check_call(
|
||||
[
|
||||
"convert",
|
||||
str(tmpdir / "images-000.png"),
|
||||
str(tmpdir / "images-001.png"),
|
||||
"-compose",
|
||||
"copy-opacity",
|
||||
"-composite",
|
||||
str(tmpdir / "composite.png")
|
||||
]
|
||||
)
|
||||
(tmpdir / "images-000.png").unlink()
|
||||
(tmpdir / "images-001.png").unlink()
|
||||
os.rename(tmpdir / "composite.png", tmpdir / "images-000.png")
|
||||
|
||||
if exact:
|
||||
if icc:
|
||||
raise Exception("not exact with icc")
|
||||
|
|
@ -4040,6 +4057,86 @@ def png_rgb8_pdf(tmp_path_factory, png_rgb8_img, request):
|
|||
out_pdf.unlink()
|
||||
|
||||
|
||||
@pytest.fixture(scope="session", params=["internal", "pikepdf", "pdfrw"])
|
||||
def png_rgba8_pdf(tmp_path_factory, png_rgba8_img, request):
|
||||
out_pdf = tmp_path_factory.mktemp("png_rgba8_pdf") / "out.pdf"
|
||||
subprocess.check_call(
|
||||
[
|
||||
"src/img2pdf.py",
|
||||
"--producer=",
|
||||
"--nodate",
|
||||
"--engine=" + request.param,
|
||||
"--output=" + str(out_pdf),
|
||||
str(png_rgba8_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
|
||||
assert p.pages[0].Resources.XObject.Im0.SMask is not None
|
||||
|
||||
assert p.pages[0].Resources.XObject.Im0.SMask.BitsPerComponent == 8
|
||||
assert p.pages[0].Resources.XObject.Im0.SMask.ColorSpace == "/DeviceGray"
|
||||
assert p.pages[0].Resources.XObject.Im0.SMask.DecodeParms.BitsPerComponent == 8
|
||||
assert p.pages[0].Resources.XObject.Im0.SMask.DecodeParms.Colors == 1
|
||||
assert p.pages[0].Resources.XObject.Im0.SMask.DecodeParms.Predictor == 15
|
||||
assert p.pages[0].Resources.XObject.Im0.SMask.Filter == "/FlateDecode"
|
||||
assert p.pages[0].Resources.XObject.Im0.SMask.Height == 60
|
||||
assert p.pages[0].Resources.XObject.Im0.SMask.Width == 60
|
||||
yield out_pdf
|
||||
out_pdf.unlink()
|
||||
|
||||
|
||||
@pytest.fixture(scope="session", params=["internal", "pikepdf", "pdfrw"])
|
||||
def gif_transparent_pdf(tmp_path_factory, gif_transparent_img, request):
|
||||
out_pdf = tmp_path_factory.mktemp("gif_transparent_pdf") / "out.pdf"
|
||||
subprocess.check_call(
|
||||
[
|
||||
"src/img2pdf.py",
|
||||
"--producer=",
|
||||
"--nodate",
|
||||
"--engine=" + request.param,
|
||||
"--output=" + str(out_pdf),
|
||||
str(gif_transparent_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
|
||||
assert p.pages[0].Resources.XObject.Im0.SMask is not None
|
||||
|
||||
assert p.pages[0].Resources.XObject.Im0.SMask.BitsPerComponent == 8
|
||||
assert p.pages[0].Resources.XObject.Im0.SMask.ColorSpace == "/DeviceGray"
|
||||
assert p.pages[0].Resources.XObject.Im0.SMask.DecodeParms.BitsPerComponent == 8
|
||||
assert p.pages[0].Resources.XObject.Im0.SMask.DecodeParms.Colors == 1
|
||||
assert p.pages[0].Resources.XObject.Im0.SMask.DecodeParms.Predictor == 15
|
||||
assert p.pages[0].Resources.XObject.Im0.SMask.Filter == "/FlateDecode"
|
||||
assert p.pages[0].Resources.XObject.Im0.SMask.Height == 60
|
||||
assert p.pages[0].Resources.XObject.Im0.SMask.Width == 60
|
||||
yield out_pdf
|
||||
out_pdf.unlink()
|
||||
|
||||
|
||||
@pytest.fixture(scope="session", params=["internal", "pikepdf", "pdfrw"])
|
||||
def png_rgb16_pdf(tmp_path_factory, png_rgb16_img, request):
|
||||
out_pdf = tmp_path_factory.mktemp("png_rgb16_pdf") / "out.pdf"
|
||||
|
|
@ -4220,6 +4317,46 @@ def png_gray8_pdf(tmp_path_factory, tmp_gray8_png, request):
|
|||
out_pdf.unlink()
|
||||
|
||||
|
||||
@pytest.fixture(scope="session", params=["internal", "pikepdf", "pdfrw"])
|
||||
def png_gray8a_pdf(tmp_path_factory, png_gray8a_img, request):
|
||||
out_pdf = tmp_path_factory.mktemp("png_gray8a_pdf") / "out.pdf"
|
||||
subprocess.check_call(
|
||||
[
|
||||
"src/img2pdf.py",
|
||||
"--producer=",
|
||||
"--nodate",
|
||||
"--engine=" + request.param,
|
||||
"--output=" + str(out_pdf),
|
||||
str(png_gray8a_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 == "/DeviceGray"
|
||||
assert p.pages[0].Resources.XObject.Im0.DecodeParms.BitsPerComponent == 8
|
||||
assert p.pages[0].Resources.XObject.Im0.DecodeParms.Colors == 1
|
||||
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
|
||||
assert p.pages[0].Resources.XObject.Im0.SMask is not None
|
||||
|
||||
assert p.pages[0].Resources.XObject.Im0.SMask.BitsPerComponent == 8
|
||||
assert p.pages[0].Resources.XObject.Im0.SMask.ColorSpace == "/DeviceGray"
|
||||
assert p.pages[0].Resources.XObject.Im0.SMask.DecodeParms.BitsPerComponent == 8
|
||||
assert p.pages[0].Resources.XObject.Im0.SMask.DecodeParms.Colors == 1
|
||||
assert p.pages[0].Resources.XObject.Im0.SMask.DecodeParms.Predictor == 15
|
||||
assert p.pages[0].Resources.XObject.Im0.SMask.Filter == "/FlateDecode"
|
||||
assert p.pages[0].Resources.XObject.Im0.SMask.Height == 60
|
||||
assert p.pages[0].Resources.XObject.Im0.SMask.Width == 60
|
||||
yield out_pdf
|
||||
out_pdf.unlink()
|
||||
|
||||
|
||||
@pytest.fixture(scope="session", params=["internal", "pikepdf", "pdfrw"])
|
||||
def png_gray16_pdf(tmp_path_factory, tmp_gray16_png, request):
|
||||
out_pdf = tmp_path_factory.mktemp("png_gray16_pdf") / "out.pdf"
|
||||
|
|
@ -5226,24 +5363,9 @@ def test_png_rgb16(tmp_path_factory, png_rgb16_img, png_rgb16_pdf):
|
|||
sys.platform in ["win32"],
|
||||
reason="test utilities not available on Windows and MacOS",
|
||||
)
|
||||
@pytest.mark.parametrize("engine", ["internal", "pikepdf", "pdfrw"])
|
||||
def test_png_rgba8(tmp_path_factory, png_rgba8_img, engine):
|
||||
out_pdf = tmp_path_factory.mktemp("png_rgba8") / "out.pdf"
|
||||
assert (
|
||||
0
|
||||
!= subprocess.run(
|
||||
[
|
||||
"src/img2pdf.py",
|
||||
"--producer=",
|
||||
"--nodate",
|
||||
"--engine=" + engine,
|
||||
"--output=" + str(out_pdf),
|
||||
str(png_rgba8_img),
|
||||
]
|
||||
).returncode
|
||||
)
|
||||
out_pdf.unlink()
|
||||
|
||||
def test_png_rgba8(tmp_path_factory, png_rgba8_img, png_rgba8_pdf):
|
||||
tmpdir = tmp_path_factory.mktemp("png_rgba8")
|
||||
compare_pdfimages_png(tmpdir, png_rgba8_img, png_rgba8_pdf)
|
||||
|
||||
@pytest.mark.skipif(
|
||||
sys.platform in ["win32"],
|
||||
|
|
@ -5272,23 +5394,9 @@ def test_png_rgba16(tmp_path_factory, png_rgba16_img, engine):
|
|||
sys.platform in ["win32"],
|
||||
reason="test utilities not available on Windows and MacOS",
|
||||
)
|
||||
@pytest.mark.parametrize("engine", ["internal", "pikepdf", "pdfrw"])
|
||||
def test_png_gray8a(tmp_path_factory, png_gray8a_img, engine):
|
||||
out_pdf = tmp_path_factory.mktemp("png_gray8a") / "out.pdf"
|
||||
assert (
|
||||
0
|
||||
!= subprocess.run(
|
||||
[
|
||||
"src/img2pdf.py",
|
||||
"--producer=",
|
||||
"--nodate",
|
||||
"--engine=" + engine,
|
||||
"--output=" + str(out_pdf),
|
||||
str(png_gray8a_img),
|
||||
]
|
||||
).returncode
|
||||
)
|
||||
out_pdf.unlink()
|
||||
def test_png_gray8a(tmp_path_factory, png_gray8a_img, png_gray8a_pdf):
|
||||
tmpdir = tmp_path_factory.mktemp("png_gray8a")
|
||||
compare_pdfimages_png(tmpdir, png_gray8a_img, png_gray8a_pdf)
|
||||
|
||||
|
||||
@pytest.mark.skipif(
|
||||
|
|
@ -5454,23 +5562,9 @@ def test_png_icc(tmp_path_factory, png_icc_img, png_icc_pdf):
|
|||
sys.platform in ["win32"],
|
||||
reason="test utilities not available on Windows and MacOS",
|
||||
)
|
||||
@pytest.mark.parametrize("engine", ["internal", "pikepdf", "pdfrw"])
|
||||
def test_gif_transparent(tmp_path_factory, gif_transparent_img, engine):
|
||||
out_pdf = tmp_path_factory.mktemp("gif_transparent") / "out.pdf"
|
||||
assert (
|
||||
0
|
||||
!= subprocess.run(
|
||||
[
|
||||
"src/img2pdf.py",
|
||||
"--producer=",
|
||||
"--nodate",
|
||||
"--engine=" + engine,
|
||||
"--output=" + str(out_pdf),
|
||||
str(gif_transparent_img),
|
||||
]
|
||||
).returncode
|
||||
)
|
||||
out_pdf.unlink()
|
||||
def test_gif_transparent(tmp_path_factory, gif_transparent_img, gif_transparent_pdf):
|
||||
tmpdir = tmp_path_factory.mktemp("gif_transparent")
|
||||
compare_pdfimages_png(tmpdir, gif_transparent_img, gif_transparent_pdf)
|
||||
|
||||
|
||||
@pytest.mark.skipif(
|
||||
|
|
|
|||
Loading…
Reference in a new issue