from helper import unittest, PillowTestCase, hopper, py3

from PIL import Image, TiffImagePlugin


class TestFileTiff(PillowTestCase):

    def test_sanity(self):

        file = self.tempfile("temp.tif")

        hopper("RGB").save(file)

        im = Image.open(file)
        im.load()
        self.assertEqual(im.mode, "RGB")
        self.assertEqual(im.size, (128, 128))
        self.assertEqual(im.format, "TIFF")

        hopper("1").save(file)
        im = Image.open(file)

        hopper("L").save(file)
        im = Image.open(file)

        hopper("P").save(file)
        im = Image.open(file)

        hopper("RGB").save(file)
        im = Image.open(file)

        hopper("I").save(file)
        im = Image.open(file)

    def test_mac_tiff(self):
        # Read RGBa images from Mac OS X [@PIL136]

        file = "Tests/images/pil136.tiff"
        im = Image.open(file)

        self.assertEqual(im.mode, "RGBA")
        self.assertEqual(im.size, (55, 43))
        self.assertEqual(im.tile, [('raw', (0, 0, 55, 43), 8, ('RGBa', 0, 1))])
        im.load()

    def test_gimp_tiff(self):
        # Read TIFF JPEG images from GIMP [@PIL168]

        codecs = dir(Image.core)
        if "jpeg_decoder" not in codecs:
            self.skipTest("jpeg support not available")

        file = "Tests/images/pil168.tif"
        im = Image.open(file)

        self.assertEqual(im.mode, "RGB")
        self.assertEqual(im.size, (256, 256))
        self.assertEqual(
            im.tile, [
                ('jpeg', (0, 0, 256, 64), 8, ('RGB', '')),
                ('jpeg', (0, 64, 256, 128), 1215, ('RGB', '')),
                ('jpeg', (0, 128, 256, 192), 2550, ('RGB', '')),
                ('jpeg', (0, 192, 256, 256), 3890, ('RGB', '')),
                ])
        im.load()

    def test_xyres_tiff(self):
        from PIL.TiffImagePlugin import X_RESOLUTION, Y_RESOLUTION
        file = "Tests/images/pil168.tif"
        im = Image.open(file)
        assert isinstance(im.tag.tags[X_RESOLUTION][0], tuple)
        assert isinstance(im.tag.tags[Y_RESOLUTION][0], tuple)
        # Try to read a file where X,Y_RESOLUTION are ints
        im.tag.tags[X_RESOLUTION] = (72,)
        im.tag.tags[Y_RESOLUTION] = (72,)
        im._setup()
        self.assertEqual(im.info['dpi'], (72., 72.))

    def test_little_endian(self):
        im = Image.open('Tests/images/16bit.cropped.tif')
        self.assertEqual(im.getpixel((0, 0)), 480)
        self.assertEqual(im.mode, 'I;16')

        b = im.tobytes()
        # Bytes are in image native order (little endian)
        if py3:
            self.assertEqual(b[0], ord(b'\xe0'))
            self.assertEqual(b[1], ord(b'\x01'))
        else:
            self.assertEqual(b[0], b'\xe0')
            self.assertEqual(b[1], b'\x01')

    def test_big_endian(self):
        im = Image.open('Tests/images/16bit.MM.cropped.tif')
        self.assertEqual(im.getpixel((0, 0)), 480)
        self.assertEqual(im.mode, 'I;16B')

        b = im.tobytes()

        # Bytes are in image native order (big endian)
        if py3:
            self.assertEqual(b[0], ord(b'\x01'))
            self.assertEqual(b[1], ord(b'\xe0'))
        else:
            self.assertEqual(b[0], b'\x01')
            self.assertEqual(b[1], b'\xe0')

    def test_12bit_rawmode(self):
        """ Are we generating the same interpretation
        of the image as Imagemagick is? """

        # Image.DEBUG = True
        im = Image.open('Tests/images/12bit.cropped.tif')

        # to make the target --
        # convert 12bit.cropped.tif -depth 16 tmp.tif
        # convert tmp.tif -evaluate RightShift 4 12in16bit2.tif
        # imagemagick will auto scale so that a 12bit FFF is 16bit FFF0,
        # so we need to unshift so that the integer values are the same.

        im2 = Image.open('Tests/images/12in16bit.tif')

        if Image.DEBUG:
            print (im.getpixel((0, 0)))
            print (im.getpixel((0, 1)))
            print (im.getpixel((0, 2)))

            print (im2.getpixel((0, 0)))
            print (im2.getpixel((0, 1)))
            print (im2.getpixel((0, 2)))

        self.assert_image_equal(im, im2)

    def test_32bit_float(self):
        # Issue 614, specific 32 bit float format
        path = 'Tests/images/10ct_32bit_128.tiff'
        im = Image.open(path)
        im.load()

        self.assertEqual(im.getpixel((0, 0)), -0.4526388943195343)
        self.assertEqual(
            im.getextrema(), (-3.140936851501465, 3.140684127807617))

    def test_multipage(self):
        # issue #862
        im = Image.open('Tests/images/multipage.tiff')
        # file is a multipage tiff,  10x10 green, 10x10 red, 20x20 blue

        im.seek(0)
        self.assertEqual(im.size, (10, 10))
        self.assertEqual(im.convert('RGB').getpixel((0, 0)), (0, 128, 0))

        im.seek(1)
        im.load()
        self.assertEqual(im.size, (10, 10))
        self.assertEqual(im.convert('RGB').getpixel((0, 0)), (255, 0, 0))

        im.seek(2)
        im.load()
        self.assertEqual(im.size, (20, 20))
        self.assertEqual(im.convert('RGB').getpixel((0, 0)), (0, 0, 255))

    def test_multipage_last_frame(self):
        im = Image.open('Tests/images/multipage-lastframe.tif')
        im.load()
        self.assertEqual(im.size, (20, 20))
        self.assertEqual(im.convert('RGB').getpixel((0, 0)), (0, 0, 255))

    def test___str__(self):
        # Arrange
        file = "Tests/images/pil136.tiff"
        im = Image.open(file)

        # Act
        ret = str(im.ifd)

        # Assert
        self.assertIsInstance(ret, str)
        self.assertEqual(
            ret,
            '{256: (55,), 257: (43,), 258: (8, 8, 8, 8), 259: (1,), '
            '262: (2,), 296: (2,), 273: (8,), 338: (1,), 277: (4,), '
            '279: (9460,), 282: ((720000, 10000),), '
            '283: ((720000, 10000),), 284: (1,)}')

    def test__delitem__(self):
        # Arrange
        file = "Tests/images/pil136.tiff"
        im = Image.open(file)
        len_before = len(im.ifd.as_dict())

        # Act
        del im.ifd[256]

        # Assert
        len_after = len(im.ifd.as_dict())
        self.assertEqual(len_before, len_after + 1)

    def test_load_byte(self):
        # Arrange
        ifd = TiffImagePlugin.ImageFileDirectory()
        data = b"abc"

        # Act
        ret = ifd.load_byte(data)

        # Assert
        self.assertEqual(ret, b"abc")

    def test_load_string(self):
        # Arrange
        from PIL import TiffImagePlugin
        ifd = TiffImagePlugin.ImageFileDirectory()
        data = b"abc\0"

        # Act
        ret = ifd.load_string(data)

        # Assert
        self.assertEqual(ret, "abc")

    def test_load_float(self):
        # Arrange
        ifd = TiffImagePlugin.ImageFileDirectory()
        data = b"abcdabcd"

        # Act
        ret = ifd.load_float(data)

        # Assert
        self.assertEqual(ret, (1.6777999408082104e+22, 1.6777999408082104e+22))

    def test_load_double(self):
        # Arrange
        ifd = TiffImagePlugin.ImageFileDirectory()
        data = b"abcdefghabcdefgh"

        # Act
        ret = ifd.load_double(data)

        # Assert
        self.assertEqual(ret, (8.540883223036124e+194, 8.540883223036124e+194))

    def test_seek(self):
        # Arrange
        file = "Tests/images/pil136.tiff"
        im = Image.open(file)

        # Act
        im.seek(-1)

        # Assert
        self.assertEqual(im.tell(), 0)

    def test_seek_eof(self):
        # Arrange
        file = "Tests/images/pil136.tiff"
        im = Image.open(file)
        self.assertEqual(im.tell(), 0)

        # Act / Assert
        self.assertRaises(EOFError, lambda: im.seek(1))

    def test__cvt_res_int(self):
        # Arrange
        from PIL.TiffImagePlugin import _cvt_res
        value = 34

        # Act
        ret = _cvt_res(value)

        # Assert
        self.assertEqual(ret, (34, 1))

    def test__cvt_res_float(self):
        # Arrange
        from PIL.TiffImagePlugin import _cvt_res
        value = 22.3

        # Act
        ret = _cvt_res(value)

        # Assert
        self.assertEqual(ret, (1461452, 65536))

    def test__cvt_res_sequence(self):
        # Arrange
        from PIL.TiffImagePlugin import _cvt_res
        value = [0, 1]

        # Act
        ret = _cvt_res(value)

        # Assert
        self.assertEqual(ret, [0, 1])

    def test_save_tiff_with_jpegtables(self):
        # Arrange
        outfile = self.tempfile("temp.tif")

        # Created with ImageMagick: convert hopper.jpg hopper_jpg.tif
        # Contains JPEGTables (347) tag
        infile = "Tests/images/hopper_jpg.tif"
        im = Image.open(infile)

        # Act / Assert
        # Should not raise UnicodeDecodeError or anything else
        im.save(outfile)


if __name__ == '__main__':
    unittest.main()

# End of file