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109 lines
3.4 KiB
Python
109 lines
3.4 KiB
Python
from tester import *
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from PIL import Image, EpsImagePlugin
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import sys
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import io
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if not EpsImagePlugin.gs_windows_binary:
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# already checked. Not there.
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skip()
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if not sys.platform.startswith('win'):
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import subprocess
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try:
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gs = subprocess.Popen(['gs','--version'], stdout=subprocess.PIPE)
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gs.stdout.read()
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except OSError:
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# no ghostscript
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skip()
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#Our two EPS test files (they are identical except for their bounding boxes)
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file1 = "Tests/images/zero_bb.eps"
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file2 = "Tests/images/non_zero_bb.eps"
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#Due to palletization, we'll need to convert these to RGB after load
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file1_compare = "Tests/images/zero_bb.png"
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file1_compare_scale2 = "Tests/images/zero_bb_scale2.png"
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file2_compare = "Tests/images/non_zero_bb.png"
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file2_compare_scale2 = "Tests/images/non_zero_bb_scale2.png"
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def test_sanity():
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#Regular scale
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image1 = Image.open(file1)
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image1.load()
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assert_equal(image1.mode, "RGB")
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assert_equal(image1.size, (460, 352))
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assert_equal(image1.format, "EPS")
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image2 = Image.open(file2)
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image2.load()
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assert_equal(image2.mode, "RGB")
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assert_equal(image2.size, (360, 252))
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assert_equal(image2.format, "EPS")
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#Double scale
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image1_scale2 = Image.open(file1)
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image1_scale2.load(scale=2)
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assert_equal(image1_scale2.mode, "RGB")
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assert_equal(image1_scale2.size, (920, 704))
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assert_equal(image1_scale2.format, "EPS")
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image2_scale2 = Image.open(file2)
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image2_scale2.load(scale=2)
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assert_equal(image2_scale2.mode, "RGB")
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assert_equal(image2_scale2.size, (720, 504))
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assert_equal(image2_scale2.format, "EPS")
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def test_file_object():
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#issue 479
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image1 = Image.open(file1)
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with open(tempfile('temp_file.eps'), 'wb') as fh:
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image1.save(fh, 'EPS')
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def test_iobase_object():
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#issue 479
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image1 = Image.open(file1)
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with io.open(tempfile('temp_iobase.eps'), 'wb') as fh:
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image1.save(fh, 'EPS')
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def test_render_scale1():
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#We need png support for these render test
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codecs = dir(Image.core)
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if "zip_encoder" not in codecs or "zip_decoder" not in codecs:
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skip("zip/deflate support not available")
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#Zero bounding box
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image1_scale1 = Image.open(file1)
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image1_scale1.load()
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image1_scale1_compare = Image.open(file1_compare).convert("RGB")
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image1_scale1_compare.load()
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assert_image_similar(image1_scale1, image1_scale1_compare, 5)
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#Non-Zero bounding box
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image2_scale1 = Image.open(file2)
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image2_scale1.load()
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image2_scale1_compare = Image.open(file2_compare).convert("RGB")
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image2_scale1_compare.load()
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assert_image_similar(image2_scale1, image2_scale1_compare, 10)
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def test_render_scale2():
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#We need png support for these render test
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codecs = dir(Image.core)
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if "zip_encoder" not in codecs or "zip_decoder" not in codecs:
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skip("zip/deflate support not available")
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#Zero bounding box
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image1_scale2 = Image.open(file1)
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image1_scale2.load(scale=2)
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image1_scale2_compare = Image.open(file1_compare_scale2).convert("RGB")
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image1_scale2_compare.load()
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assert_image_similar(image1_scale2, image1_scale2_compare, 5)
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#Non-Zero bounding box
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image2_scale2 = Image.open(file2)
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image2_scale2.load(scale=2)
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image2_scale2_compare = Image.open(file2_compare_scale2).convert("RGB")
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image2_scale2_compare.load()
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assert_image_similar(image2_scale2, image2_scale2_compare, 10)
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