71e7faed0d
Conflicts: tests/python_tests/image_test.py tests/python_tests/image_tiff_test.py tests/visual_tests/images/tiff-opaque-edge-raster2-600-400-1.0-agg-reference.png tests/visual_tests/images/tiff-opaque-edge-raster2-600-400-2.0-agg-reference.png
335 lines
16 KiB
Python
335 lines
16 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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import os, mapnik
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import hashlib
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from nose.tools import eq_
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from utilities import execution_path, run_all
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def hashstr(var):
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return hashlib.md5(var).hexdigest()
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def setup():
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# All of the paths used are relative, if we run the tests
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# from another directory we need to chdir()
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os.chdir(execution_path('.'))
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def test_tiff_round_trip_scanline():
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filepath = '/tmp/mapnik-tiff-io-scanline.tiff'
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im = mapnik.Image(255,267)
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im.fill(mapnik.Color('rgba(12,255,128,.5)'))
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org_str = hashstr(im.tostring())
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im.save(filepath,'tiff:method=scanline')
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im2 = mapnik.Image.open(filepath)
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im3 = mapnik.Image.fromstring(open(filepath,'r').read())
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eq_(im.width(),im2.width())
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eq_(im.height(),im2.height())
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eq_(im.width(),im3.width())
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eq_(im.height(),im3.height())
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eq_(hashstr(im.tostring()), org_str)
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# This won't be the same the first time around because the im is not premultiplied and im2 is
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assert_not_equal(hashstr(im.tostring()),hashstr(im2.tostring()))
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assert_not_equal(hashstr(im.tostring('tiff:method=scanline')),hashstr(im2.tostring('tiff:method=scanline')))
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# Now premultiply
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im.premultiply()
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eq_(hashstr(im.tostring()),hashstr(im2.tostring()))
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eq_(hashstr(im.tostring('tiff:method=scanline')),hashstr(im2.tostring('tiff:method=scanline')))
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eq_(hashstr(im2.tostring()),hashstr(im3.tostring()))
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eq_(hashstr(im2.tostring('tiff:method=scanline')),hashstr(im3.tostring('tiff:method=scanline')))
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def test_tiff_round_trip_stripped():
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filepath = '/tmp/mapnik-tiff-io-stripped.tiff'
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im = mapnik.Image(255,267)
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im.fill(mapnik.Color('rgba(12,255,128,.5)'))
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org_str = hashstr(im.tostring())
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im.save(filepath,'tiff:method=stripped')
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im2 = mapnik.Image.open(filepath)
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im2.save('/tmp/mapnik-tiff-io-stripped2.tiff','tiff:method=stripped')
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im3 = mapnik.Image.fromstring(open(filepath,'r').read())
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eq_(im.width(),im2.width())
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eq_(im.height(),im2.height())
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eq_(im.width(),im3.width())
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eq_(im.height(),im3.height())
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# Because one will end up with UNASSOC alpha tag which internally the TIFF reader will premultiply, the first to string will not be the same due to the
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# difference in tags.
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assert_not_equal(hashstr(im.tostring()),hashstr(im2.tostring()))
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assert_not_equal(hashstr(im.tostring('tiff:method=stripped')),hashstr(im2.tostring('tiff:method=stripped')))
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# Now if we premultiply they will be exactly the same
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im.premultiply()
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eq_(hashstr(im.tostring()),hashstr(im2.tostring()))
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eq_(hashstr(im.tostring('tiff:method=stripped')),hashstr(im2.tostring('tiff:method=stripped')))
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eq_(hashstr(im2.tostring()),hashstr(im3.tostring()))
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# Both of these started out premultiplied, so this round trip should be exactly the same!
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eq_(hashstr(im2.tostring('tiff:method=stripped')),hashstr(im3.tostring('tiff:method=stripped')))
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def test_tiff_round_trip_rows_stripped():
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filepath = '/tmp/mapnik-tiff-io-rows_stripped.tiff'
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filepath2 = '/tmp/mapnik-tiff-io-rows_stripped2.tiff'
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im = mapnik.Image(255,267)
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im.fill(mapnik.Color('rgba(12,255,128,.5)'))
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c = im.get_pixel_color(0,0)
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eq_(c.r, 12)
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eq_(c.g, 255)
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eq_(c.b, 128)
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eq_(c.a, 128)
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eq_(c.get_premultiplied(), False)
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im.save(filepath,'tiff:method=stripped:rows_per_strip=8')
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im2 = mapnik.Image.open(filepath)
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c2 = im2.get_pixel_color(0,0)
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eq_(c2.r, 6)
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eq_(c2.g, 128)
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eq_(c2.b, 64)
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eq_(c2.a, 128)
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eq_(c2.get_premultiplied(), True)
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im2.save(filepath2,'tiff:method=stripped:rows_per_strip=8')
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im3 = mapnik.Image.fromstring(open(filepath,'r').read())
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eq_(im.width(),im2.width())
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eq_(im.height(),im2.height())
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eq_(im.width(),im3.width())
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eq_(im.height(),im3.height())
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# Because one will end up with UNASSOC alpha tag which internally the TIFF reader will premultiply, the first to string will not be the same due to the
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# difference in tags.
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assert_not_equal(hashstr(im.tostring()),hashstr(im2.tostring()))
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assert_not_equal(hashstr(im.tostring('tiff:method=stripped:rows_per_strip=8')),hashstr(im2.tostring('tiff:method=stripped:rows_per_strip=8')))
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# Now premultiply the first image and they will be the same!
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im.premultiply()
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eq_(hashstr(im.tostring('tiff:method=stripped:rows_per_strip=8')),hashstr(im2.tostring('tiff:method=stripped:rows_per_strip=8')))
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eq_(hashstr(im2.tostring()),hashstr(im3.tostring()))
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# Both of these started out premultiplied, so this round trip should be exactly the same!
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eq_(hashstr(im2.tostring('tiff:method=stripped:rows_per_strip=8')),hashstr(im3.tostring('tiff:method=stripped:rows_per_strip=8')))
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def test_tiff_round_trip_buffered_tiled():
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filepath = '/tmp/mapnik-tiff-io-buffered-tiled.tiff'
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filepath2 = '/tmp/mapnik-tiff-io-buffered-tiled2.tiff'
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filepath3 = '/tmp/mapnik-tiff-io-buffered-tiled3.tiff'
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im = mapnik.Image(255,267)
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im.fill(mapnik.Color('rgba(33,255,128,.5)'))
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c = im.get_pixel_color(0,0)
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eq_(c.r, 33)
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eq_(c.g, 255)
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eq_(c.b, 128)
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eq_(c.a, 128)
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eq_(c.get_premultiplied(), False)
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im.save(filepath,'tiff:method=tiled:tile_width=32:tile_height=32')
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im2 = mapnik.Image.open(filepath)
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c2 = im2.get_pixel_color(0,0)
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eq_(c2.r, 17)
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eq_(c2.g, 128)
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eq_(c2.b, 64)
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eq_(c2.a, 128)
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eq_(c2.get_premultiplied(), True)
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im3 = mapnik.Image.fromstring(open(filepath,'r').read())
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im2.save(filepath2, 'tiff:method=tiled:tile_width=32:tile_height=32')
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im3.save(filepath3, 'tiff:method=tiled:tile_width=32:tile_height=32')
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eq_(im.width(),im2.width())
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eq_(im.height(),im2.height())
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eq_(im.width(),im3.width())
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eq_(im.height(),im3.height())
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# Because one will end up with UNASSOC alpha tag which internally the TIFF reader will premultiply, the first to string will not be the same due to the
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# difference in tags.
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assert_not_equal(hashstr(im.tostring()),hashstr(im2.tostring()))
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assert_not_equal(hashstr(im.tostring('tiff:method=tiled:tile_width=32:tile_height=32')),hashstr(im2.tostring('tiff:method=tiled:tile_width=32:tile_height=32')))
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# Now premultiply the first image and they should be the same
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im.premultiply()
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eq_(hashstr(im.tostring()),hashstr(im2.tostring()))
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eq_(hashstr(im.tostring('tiff:method=tiled:tile_width=32:tile_height=32')),hashstr(im2.tostring('tiff:method=tiled:tile_width=32:tile_height=32')))
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eq_(hashstr(im2.tostring()),hashstr(im3.tostring()))
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# Both of these started out premultiplied, so this round trip should be exactly the same!
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eq_(hashstr(im2.tostring('tiff:method=tiled:tile_width=32:tile_height=32')),hashstr(im3.tostring('tiff:method=tiled:tile_width=32:tile_height=32')))
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def test_tiff_round_trip_tiled():
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filepath = '/tmp/mapnik-tiff-io-tiled.tiff'
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im = mapnik.Image(256,256)
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im.fill(mapnik.Color('rgba(1,255,128,.5)'))
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im.save(filepath,'tiff:method=tiled')
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im2 = mapnik.Image.open(filepath)
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im3 = mapnik.Image.fromstring(open(filepath,'r').read())
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eq_(im.width(),im2.width())
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eq_(im.height(),im2.height())
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eq_(im.width(),im3.width())
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eq_(im.height(),im3.height())
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# Because one will end up with UNASSOC alpha tag which internally the TIFF reader will premultiply, the first to string will not be the same due to the
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# difference in tags.
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assert_not_equal(hashstr(im.tostring()),hashstr(im2.tostring()))
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assert_not_equal(hashstr(im.tostring('tiff:method=tiled')),hashstr(im2.tostring('tiff:method=tiled')))
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# Now premultiply the first image and they will be exactly the same.
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im.premultiply()
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eq_(hashstr(im.tostring()),hashstr(im2.tostring()))
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eq_(hashstr(im.tostring('tiff:method=tiled')),hashstr(im2.tostring('tiff:method=tiled')))
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eq_(hashstr(im2.tostring()),hashstr(im3.tostring()))
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# Both of these started out premultiplied, so this round trip should be exactly the same!
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eq_(hashstr(im2.tostring('tiff:method=tiled')),hashstr(im3.tostring('tiff:method=tiled')))
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def test_tiff_rgb8_compare():
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filepath1 = '../data/tiff/ndvi_256x256_rgb8_striped.tif'
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filepath2 = '/tmp/mapnik-tiff-rgb8.tiff'
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im = mapnik.Image.open(filepath1)
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im.save(filepath2,'tiff')
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im2 = mapnik.Image.open(filepath2)
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eq_(im.width(),im2.width())
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eq_(im.height(),im2.height())
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eq_(hashstr(im.tostring()),hashstr(im2.tostring()))
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eq_(hashstr(im.tostring('tiff')),hashstr(im2.tostring('tiff')))
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# should not be a blank image
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eq_(hashstr(im.tostring("tiff")) != hashstr(mapnik.Image(im.width(),im.height(),mapnik.ImageType.rgba8).tostring("tiff")),True)
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def test_tiff_rgba8_compare_scanline():
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filepath1 = '../data/tiff/ndvi_256x256_rgba8_striped.tif'
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filepath2 = '/tmp/mapnik-tiff-rgba8-scanline.tiff'
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im = mapnik.Image.open(filepath1)
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im.save(filepath2,'tiff:method=scanline')
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im2 = mapnik.Image.open(filepath2)
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eq_(im.width(),im2.width())
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eq_(im.height(),im2.height())
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eq_(hashstr(im.tostring()),hashstr(im2.tostring()))
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eq_(hashstr(im.tostring('tiff:method=scanline')),hashstr(im2.tostring('tiff:method=scanline')))
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# should not be a blank image
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eq_(hashstr(im.tostring("tiff")) != hashstr(mapnik.Image(im.width(),im.height(),mapnik.ImageType.rgba8).tostring("tiff")),True)
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def test_tiff_rgba8_compare_stripped():
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filepath1 = '../data/tiff/ndvi_256x256_rgba8_striped.tif'
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filepath2 = '/tmp/mapnik-tiff-rgba8-stripped.tiff'
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im = mapnik.Image.open(filepath1)
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im.save(filepath2,'tiff:method=stripped')
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im2 = mapnik.Image.open(filepath2)
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eq_(im.width(),im2.width())
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eq_(im.height(),im2.height())
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eq_(hashstr(im.tostring()),hashstr(im2.tostring()))
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eq_(hashstr(im.tostring('tiff:method=stripped')),hashstr(im2.tostring('tiff:method=stripped')))
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# should not be a blank image
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eq_(hashstr(im.tostring("tiff")) != hashstr(mapnik.Image(im.width(),im.height(),mapnik.ImageType.rgba8).tostring("tiff")),True)
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def test_tiff_rgba8_compare_tiled():
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filepath1 = '../data/tiff/ndvi_256x256_rgba8_striped.tif'
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filepath2 = '/tmp/mapnik-tiff-rgba8-stripped.tiff'
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im = mapnik.Image.open(filepath1)
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im.save(filepath2,'tiff:method=tiled')
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im2 = mapnik.Image.open(filepath2)
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eq_(im.width(),im2.width())
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eq_(im.height(),im2.height())
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eq_(hashstr(im.tostring()),hashstr(im2.tostring()))
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eq_(hashstr(im.tostring('tiff:method=tiled')),hashstr(im2.tostring('tiff:method=tiled')))
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# should not be a blank image
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eq_(hashstr(im.tostring("tiff")) != hashstr(mapnik.Image(im.width(),im.height(),mapnik.ImageType.rgba8).tostring("tiff")),True)
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def test_tiff_gray8_compare_scanline():
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filepath1 = '../data/tiff/ndvi_256x256_gray8_striped.tif'
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filepath2 = '/tmp/mapnik-tiff-gray8-scanline.tiff'
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im = mapnik.Image.open(filepath1)
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im.save(filepath2,'tiff:method=scanline')
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im2 = mapnik.Image.open(filepath2)
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eq_(im.width(),im2.width())
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eq_(im.height(),im2.height())
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eq_(hashstr(im.tostring()),hashstr(im2.tostring()))
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eq_(hashstr(im.tostring('tiff:method=scanline')),hashstr(im2.tostring('tiff:method=scanline')))
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# should not be a blank image
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eq_(hashstr(im.tostring("tiff")) != hashstr(mapnik.Image(im.width(),im.height(),mapnik.ImageType.gray8).tostring("tiff")),True)
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def test_tiff_gray8_compare_stripped():
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filepath1 = '../data/tiff/ndvi_256x256_gray8_striped.tif'
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filepath2 = '/tmp/mapnik-tiff-gray8-stripped.tiff'
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im = mapnik.Image.open(filepath1)
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im.save(filepath2,'tiff:method=stripped')
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im2 = mapnik.Image.open(filepath2)
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eq_(im.width(),im2.width())
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eq_(im.height(),im2.height())
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eq_(hashstr(im.tostring()),hashstr(im2.tostring()))
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eq_(hashstr(im.tostring('tiff:method=stripped')),hashstr(im2.tostring('tiff:method=stripped')))
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# should not be a blank image
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eq_(hashstr(im.tostring("tiff")) != hashstr(mapnik.Image(im.width(),im.height(),mapnik.ImageType.gray8).tostring("tiff")),True)
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def test_tiff_gray8_compare_tiled():
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filepath1 = '../data/tiff/ndvi_256x256_gray8_striped.tif'
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filepath2 = '/tmp/mapnik-tiff-gray8-tiled.tiff'
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im = mapnik.Image.open(filepath1)
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im.save(filepath2,'tiff:method=tiled')
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im2 = mapnik.Image.open(filepath2)
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eq_(im.width(),im2.width())
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eq_(im.height(),im2.height())
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eq_(hashstr(im.tostring()),hashstr(im2.tostring()))
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eq_(hashstr(im.tostring('tiff:method=tiled')),hashstr(im2.tostring('tiff:method=tiled')))
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# should not be a blank image
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eq_(hashstr(im.tostring("tiff")) != hashstr(mapnik.Image(im.width(),im.height(),mapnik.ImageType.gray8).tostring("tiff")),True)
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def test_tiff_gray16_compare_scanline():
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filepath1 = '../data/tiff/ndvi_256x256_gray16_striped.tif'
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filepath2 = '/tmp/mapnik-tiff-gray16-scanline.tiff'
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im = mapnik.Image.open(filepath1)
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im.save(filepath2,'tiff:method=scanline')
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im2 = mapnik.Image.open(filepath2)
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eq_(im.width(),im2.width())
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eq_(im.height(),im2.height())
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eq_(hashstr(im.tostring()),hashstr(im2.tostring()))
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eq_(hashstr(im.tostring('tiff:method=scanline')),hashstr(im2.tostring('tiff:method=scanline')))
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# should not be a blank image
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eq_(hashstr(im.tostring("tiff")) != hashstr(mapnik.Image(im.width(),im.height(),mapnik.ImageType.gray16).tostring("tiff")),True)
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def test_tiff_gray16_compare_stripped():
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filepath1 = '../data/tiff/ndvi_256x256_gray16_striped.tif'
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filepath2 = '/tmp/mapnik-tiff-gray16-stripped.tiff'
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im = mapnik.Image.open(filepath1)
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im.save(filepath2,'tiff:method=stripped')
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im2 = mapnik.Image.open(filepath2)
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eq_(im.width(),im2.width())
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eq_(im.height(),im2.height())
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eq_(hashstr(im.tostring()),hashstr(im2.tostring()))
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eq_(hashstr(im.tostring('tiff:method=stripped')),hashstr(im2.tostring('tiff:method=stripped')))
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# should not be a blank image
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eq_(hashstr(im.tostring("tiff")) != hashstr(mapnik.Image(im.width(),im.height(),mapnik.ImageType.gray16).tostring("tiff")),True)
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def test_tiff_gray16_compare_tiled():
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filepath1 = '../data/tiff/ndvi_256x256_gray16_striped.tif'
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filepath2 = '/tmp/mapnik-tiff-gray16-tiled.tiff'
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im = mapnik.Image.open(filepath1)
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im.save(filepath2,'tiff:method=tiled')
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im2 = mapnik.Image.open(filepath2)
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eq_(im.width(),im2.width())
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eq_(im.height(),im2.height())
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eq_(hashstr(im.tostring()),hashstr(im2.tostring()))
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eq_(hashstr(im.tostring('tiff:method=tiled')),hashstr(im2.tostring('tiff:method=tiled')))
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# should not be a blank image
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eq_(hashstr(im.tostring("tiff")) != hashstr(mapnik.Image(im.width(),im.height(),mapnik.ImageType.gray16).tostring("tiff")),True)
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def test_tiff_gray32f_compare_scanline():
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filepath1 = '../data/tiff/ndvi_256x256_gray32f_striped.tif'
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filepath2 = '/tmp/mapnik-tiff-gray32f-scanline.tiff'
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im = mapnik.Image.open(filepath1)
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im.save(filepath2,'tiff:method=scanline')
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im2 = mapnik.Image.open(filepath2)
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eq_(im.width(),im2.width())
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eq_(im.height(),im2.height())
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eq_(hashstr(im.tostring()),hashstr(im2.tostring()))
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eq_(hashstr(im.tostring('tiff:method=scanline')),hashstr(im2.tostring('tiff:method=scanline')))
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# should not be a blank image
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eq_(hashstr(im.tostring("tiff")) != hashstr(mapnik.Image(im.width(),im.height(),mapnik.ImageType.gray32f).tostring("tiff")),True)
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def test_tiff_gray32f_compare_stripped():
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filepath1 = '../data/tiff/ndvi_256x256_gray32f_striped.tif'
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filepath2 = '/tmp/mapnik-tiff-gray32f-stripped.tiff'
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im = mapnik.Image.open(filepath1)
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im.save(filepath2,'tiff:method=stripped')
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im2 = mapnik.Image.open(filepath2)
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eq_(im.width(),im2.width())
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eq_(im.height(),im2.height())
|
|
eq_(hashstr(im.tostring()),hashstr(im2.tostring()))
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eq_(hashstr(im.tostring('tiff:method=stripped')),hashstr(im2.tostring('tiff:method=stripped')))
|
|
# should not be a blank image
|
|
eq_(hashstr(im.tostring("tiff")) != hashstr(mapnik.Image(im.width(),im.height(),mapnik.ImageType.gray32f).tostring("tiff")),True)
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|
|
|
def test_tiff_gray32f_compare_tiled():
|
|
filepath1 = '../data/tiff/ndvi_256x256_gray32f_striped.tif'
|
|
filepath2 = '/tmp/mapnik-tiff-gray32f-tiled.tiff'
|
|
im = mapnik.Image.open(filepath1)
|
|
im.save(filepath2,'tiff:method=tiled')
|
|
im2 = mapnik.Image.open(filepath2)
|
|
eq_(im.width(),im2.width())
|
|
eq_(im.height(),im2.height())
|
|
eq_(hashstr(im.tostring()),hashstr(im2.tostring()))
|
|
eq_(hashstr(im.tostring('tiff:method=tiled')),hashstr(im2.tostring('tiff:method=tiled')))
|
|
# should not be a blank image
|
|
eq_(hashstr(im.tostring("tiff")) != hashstr(mapnik.Image(im.width(),im.height(),mapnik.ImageType.gray32f).tostring("tiff")),True)
|
|
|
|
if __name__ == "__main__":
|
|
setup()
|
|
exit(run_all(eval(x) for x in dir() if x.startswith("test_")))
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