def testTileRedirects():
# Test redirects, use a JPEG
imagePath = utilities.externaldata('data/sample_Easy1.jpeg.sha512')
rawimage = open(imagePath, 'rb').read()
source = large_image_source_pil.PILFileTileSource(imagePath)
# No encoding or redirect should just get a JPEG
image = source.getTile(0, 0, 0)
assert image == rawimage
# quality 75 should work
source = large_image_source_pil.PILFileTileSource(imagePath,
jpegQuality=95)
image = source.getTile(0, 0, 0)
assert image == rawimage
# redirect with a different quality shouldn't
source = large_image_source_pil.PILFileTileSource(imagePath,
jpegQuality=75)
image = source.getTile(0, 0, 0)
assert image != rawimage
# redirect with a different encoding shouldn't
source = large_image_source_pil.PILFileTileSource(imagePath,
encoding='PNG')
image = source.getTile(0, 0, 0)
assert image != rawimage
def testTilesFromPIL():
imagePath = utilities.externaldata('data/sample_Easy1.png.sha512')
# Test with different max size options.
config.setConfig('max_small_image_size', 100)
assert large_image_source_pil.PILFileTileSource.canRead(imagePath) is False
# Allow images bigger than our test
config.setConfig('max_small_image_size', 2048)
assert large_image_source_pil.PILFileTileSource.canRead(imagePath) is True
source = large_image_source_pil.PILFileTileSource(imagePath)
tileMetadata = source.getMetadata()
assert tileMetadata['tileWidth'] == 1790
assert tileMetadata['tileHeight'] == 1046
assert tileMetadata['sizeX'] == 1790
assert tileMetadata['sizeY'] == 1046
assert tileMetadata['levels'] == 1
assert tileMetadata['magnification'] is None
assert tileMetadata['mm_x'] is None
assert tileMetadata['mm_y'] is None
utilities.checkTilesZXY(source, tileMetadata)
def testInternalMetadata():
imagePath = utilities.externaldata('data/sample_Easy1.png.sha512')
source = large_image_source_pil.PILFileTileSource(imagePath)
metadata = source.getInternalMetadata()
assert 'pil' in metadata