293 lines
14 KiB
Python
293 lines
14 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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import sys
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import os, mapnik
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from timeit import Timer, time
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from nose.tools import *
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from utilities import execution_path, run_all
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#mapnik.logger.set_severity(mapnik.severity_type.Debug)
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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.background(mapnik.Color('rgba(12,255,128,.5)'))
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org_str = len(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_(len(im.tostring()), org_str)
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eq_(len(im.tostring()),len(im2.tostring()))
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eq_(len(im.tostring('tiff:method=scanline')),len(im2.tostring('tiff:method=scanline')))
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eq_(len(im.tostring()),len(im3.tostring()))
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eq_(len(im.tostring('tiff:method=scanline')),len(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.background(mapnik.Color('rgba(12,255,128,.5)'))
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org_str = len(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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eq_(len(im.tostring()), org_str)
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eq_(len(im.tostring()),len(im2.tostring()))
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# Because one will end up with UNASSOC alpha tag which internally the TIFF will multiply, the first to string will not be the same due to the
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# difference in tags. But size should still be the same
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eq_(len(im.tostring('tiff:method=stripped')),len(im2.tostring('tiff:method=stripped')))
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eq_(len(im2.tostring()),len(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_(len(im2.tostring('tiff:method=stripped')),len(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.background(mapnik.Color('rgba(12,255,128,.5)'))
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#im.premultiply()
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org_str = len(im.tostring())
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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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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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eq_(len(im.tostring()), org_str)
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eq_(len(im.tostring()),len(im2.tostring()))
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# Because one will end up with UNASSOC alpha tag which internally the TIFF will multiply, the first to string will not be the same due to the
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# difference in tags. But size should still be the same
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eq_(len(im.tostring('tiff:method=stripped:rows_per_strip=8')),len(im2.tostring('tiff:method=stripped:rows_per_strip=8')))
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eq_(len(im2.tostring()),len(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_(len(im2.tostring('tiff:method=stripped:rows_per_strip=8')),len(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.background(mapnik.Color('rgba(33,255,128,.5)'))
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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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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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eq_(len(im.tostring()),len(im2.tostring()))
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# Because one will end up with UNASSOC alpha tag which internally the TIFF will multiply, the first to string will not be the same due to the
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# difference in tags. But size should still be the same
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eq_(len(im.tostring('tiff:method=tiled:tile_width=32:tile_height=32')),len(im2.tostring('tiff:method=tiled:tile_width=32:tile_height=32')))
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eq_(len(im2.tostring()),len(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_(len(im2.tostring('tiff:method=tiled:tile_width=32:tile_height=32')),len(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.background(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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eq_(len(im.tostring()),len(im2.tostring()))
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# Because one will end up with UNASSOC alpha tag which internally the TIFF will multiply, the first to string will not be the same due to the
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# difference in tags. HOWEVER for this type they have the same size? Perhaps is a bad test?
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eq_(len(im.tostring('tiff:method=tiled')),len(im2.tostring('tiff:method=tiled')))
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eq_(len(im2.tostring()),len(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_(len(im2.tostring('tiff:method=tiled')),len(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:method=stripped:rows_per_strip=10')
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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_(len(im.tostring()),len(im2.tostring()))
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eq_(len(im.tostring('tiff')),len(im2.tostring('tiff')))
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# should not be a blank image
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eq_(len(im.tostring("tiff")) != len(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_(len(im.tostring()),len(im2.tostring()))
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eq_(len(im.tostring('tiff:method=scanline')),len(im2.tostring('tiff:method=scanline')))
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# should not be a blank image
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eq_(len(im.tostring("tiff")) != len(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_(len(im.tostring()),len(im2.tostring()))
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eq_(len(im.tostring('tiff:method=stripped')),len(im2.tostring('tiff:method=stripped')))
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# should not be a blank image
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eq_(len(im.tostring("tiff")) != len(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_(len(im.tostring()),len(im2.tostring()))
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eq_(len(im.tostring('tiff:method=tiled')),len(im2.tostring('tiff:method=tiled')))
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# should not be a blank image
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eq_(len(im.tostring("tiff")) != len(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_(len(im.tostring()),len(im2.tostring()))
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eq_(len(im.tostring('tiff:method=scanline')),len(im2.tostring('tiff:method=scanline')))
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# should not be a blank image
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eq_(len(im.tostring("tiff")) != len(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_(len(im.tostring()),len(im2.tostring()))
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eq_(len(im.tostring('tiff:method=stripped')),len(im2.tostring('tiff:method=stripped')))
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# should not be a blank image
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eq_(len(im.tostring("tiff")) != len(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_(len(im.tostring()),len(im2.tostring()))
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eq_(len(im.tostring('tiff:method=tiled')),len(im2.tostring('tiff:method=tiled')))
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# should not be a blank image
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eq_(len(im.tostring("tiff")) != len(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_(len(im.tostring()),len(im2.tostring()))
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eq_(len(im.tostring('tiff:method=scanline')),len(im2.tostring('tiff:method=scanline')))
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# should not be a blank image
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eq_(len(im.tostring("tiff")) != len(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_(len(im.tostring()),len(im2.tostring()))
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eq_(len(im.tostring('tiff:method=stripped')),len(im2.tostring('tiff:method=stripped')))
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# should not be a blank image
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eq_(len(im.tostring("tiff")) != len(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_(len(im.tostring()),len(im2.tostring()))
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eq_(len(im.tostring('tiff:method=tiled')),len(im2.tostring('tiff:method=tiled')))
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# should not be a blank image
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eq_(len(im.tostring("tiff")) != len(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_(len(im.tostring()),len(im2.tostring()))
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eq_(len(im.tostring('tiff:method=scanline')),len(im2.tostring('tiff:method=scanline')))
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# should not be a blank image
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eq_(len(im.tostring("tiff")) != len(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())
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eq_(len(im.tostring()),len(im2.tostring()))
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eq_(len(im.tostring('tiff:method=stripped')),len(im2.tostring('tiff:method=stripped')))
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# should not be a blank image
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eq_(len(im.tostring("tiff")) != len(mapnik.Image(im.width(),im.height(),mapnik.ImageType.gray32f).tostring("tiff")),True)
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def test_tiff_gray32f_compare_tiled():
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filepath1 = '../data/tiff/ndvi_256x256_gray32f_striped.tif'
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filepath2 = '/tmp/mapnik-tiff-gray32f-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_(len(im.tostring()),len(im2.tostring()))
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eq_(len(im.tostring('tiff:method=tiled')),len(im2.tostring('tiff:method=tiled')))
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# should not be a blank image
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eq_(len(im.tostring("tiff")) != len(mapnik.Image(im.width(),im.height(),mapnik.ImageType.gray32f).tostring("tiff")),True)
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if __name__ == "__main__":
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setup()
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exit(run_all(eval(x) for x in dir() if x.startswith("test_")))
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