Python PdfImage.__eq__の例

コード例 #1

ファイル: test_image_access.py プロジェクト: knobix/pikepdf

def test_jp2(resources):
    pdf = Pdf.open(resources / 'pike-jp2.pdf')
    xobj = next(iter(pdf.pages[0].images.values()))
    pim = PdfImage(xobj)
    assert isinstance(pim, PdfJpxImage)

    assert '/JPXDecode' in pim.filters
    assert pim.colorspace == '/DeviceRGB'
    assert not pim.is_inline
    assert not pim.indexed
    assert pim.mode == 'RGB'
    assert pim.bits_per_component == 8
    assert pim.__eq__(42) is NotImplemented
    assert pim == PdfImage(xobj)

    outstream = BytesIO()
    pim.extract_to(stream=outstream)
    del pim
    del xobj.ColorSpace

    # If there is no explicit ColorSpace metadata we should get it from the
    # compressed data stream
    pim = PdfImage(xobj)
    assert pim.colorspace == '/DeviceRGB'
    assert pim.bits_per_component == 8

コード例 #2

def test_jp2(first_image_in):
    xobj, pdf = first_image_in('pike-jp2.pdf')
    pim = PdfImage(xobj)
    assert isinstance(pim, PdfJpxImage)

    assert '/JPXDecode' in pim.filters
    assert pim.colorspace == '/DeviceRGB'
    assert not pim.is_inline
    assert not pim.indexed
    assert pim.mode == 'RGB'
    assert pim.bits_per_component == 8
    assert pim.__eq__(42) is NotImplemented
    assert pim == PdfImage(xobj)

    outstream = BytesIO()
    pim.extract_to(stream=outstream)
    del pim
    del xobj.ColorSpace

    # If there is no explicit ColorSpace metadata we should get it from the
    # compressed data stream
    pim = PdfImage(xobj)
    assert pim.colorspace == '/DeviceRGB'
    assert pim.bits_per_component == 8