Function test_3050

tests/test_pixmap.py:166–203

This is known to fail if MuPDF is built without it's default third-party libraries, e.g. in Linux system installs.

()

    pm4 = pymupdf.Pixmap(pm, pm3)

def test_3050():
    '''
    This is known to fail if MuPDF is built without it's default third-party
    libraries, e.g. in Linux system installs.
    '''
    path = os.path.normpath(f'{__file__}/../../tests/resources/001003ED.pdf')
    with pymupdf.open(path) as pdf_file:
        page_no = 0
        page = pdf_file[page_no]
        zoom_x = 4.0
        zoom_y = 4.0
        matrix = pymupdf.Matrix(zoom_x, zoom_y)
        pix = page.get_pixmap(matrix=matrix)
        path_out = os.path.normpath(f'{__file__}/../../tests/test_3050_out.png')
        pix.save(path_out)
        print(f'{pix.width=} {pix.height=}')
        def product(x, y):
            for yy in y:
                for xx in x:
                    yield (xx, yy)
        n = 0
        # We use a small subset of the image because non-optimised build gets
        # very slow.
        for pos in product(range(100), range(100)):
            if sum(pix.pixel(pos[0], pos[1])) >= 600:
                n += 1
                pix.set_pixel(pos[0], pos[1], (255, 255, 255))
        path_out2 = os.path.normpath(f'{__file__}/../../tests/test_3050_out2.png')
        pix.save(path_out2)
        path_expected = os.path.normpath(f'{__file__}/../../tests/resources/test_3050_expected.png')
        rms = gentle_compare.pixmaps_rms(path_expected, path_out2)
        print(f'{rms=}')
        assert rms == 0
        wt = pymupdf.TOOLS.mupdf_warnings()
        if (1, 26, 0) <= pymupdf.mupdf_version_tuple < (1, 27):
            assert wt == 'bogus font ascent/descent values (0 / 0)\nPDF stream Length incorrect'
        else:
            assert wt == 'PDF stream Length incorrect'

def test_3058():
    doc = pymupdf.Document(os.path.abspath(f'{__file__}/../../tests/resources/test_3058.pdf'))