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da9643e7e3
Strip 'YCbCr' from compression tags before returning the compression method name. Closes #617
51 lines
2.0 KiB
Python
51 lines
2.0 KiB
Python
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import rasterio
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from rasterio.enums import ColorInterp, PhotometricInterp
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def test_cmyk_interp(tmpdir):
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"""A CMYK TIFF has cyan, magenta, yellow, black bands."""
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with rasterio.drivers():
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with rasterio.open('tests/data/RGB.byte.tif') as src:
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meta = src.meta
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meta['photometric'] = 'CMYK'
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meta['count'] = 4
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tiffname = str(tmpdir.join('foo.tif'))
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with rasterio.open(tiffname, 'w', **meta) as dst:
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assert dst.profile['photometric'] == 'cmyk'
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assert dst.colorinterp(1) == ColorInterp.cyan
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assert dst.colorinterp(2) == ColorInterp.magenta
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assert dst.colorinterp(3) == ColorInterp.yellow
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assert dst.colorinterp(4) == ColorInterp.black
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def test_ycbcr_interp(tmpdir):
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"""A YCbCr TIFF has red, green, blue bands."""
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with rasterio.drivers():
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with rasterio.open('tests/data/RGB.byte.tif') as src:
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meta = src.meta
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meta['photometric'] = 'ycbcr'
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meta['compress'] = 'jpeg'
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meta['count'] = 3
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tiffname = str(tmpdir.join('foo.tif'))
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with rasterio.open(tiffname, 'w', **meta) as dst:
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assert dst.colorinterp(1) == ColorInterp.red
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assert dst.colorinterp(2) == ColorInterp.green
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assert dst.colorinterp(3) == ColorInterp.blue
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def test_ycbcr_no_convert(tmpdir):
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"""An unconverted YCbCr TIFF has Y, Cb, Cr bands."""
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with rasterio.drivers(GDAL_JPEG_TO_RGB=False):
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with rasterio.open('tests/data/RGB.byte.tif') as src:
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meta = src.meta
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meta['photometric'] = 'ycbcr'
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meta['compress'] = 'jpeg'
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meta['count'] = 3
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tiffname = str(tmpdir.join('foo.tif'))
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with rasterio.open(tiffname, 'w', **meta) as dst:
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assert dst.profile['photometric'] == 'ycbcr'
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assert dst.colorinterp(1) == ColorInterp.red
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assert dst.colorinterp(2) == ColorInterp.green
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assert dst.colorinterp(3) == ColorInterp.blue
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