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103 lines
2.4 KiB
Python
103 lines
2.4 KiB
Python
import pytest
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from PIL import Image
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from .helper import assert_image_equal, hopper
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try:
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import tkinter as tk
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from PIL import ImageTk
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dir(ImageTk)
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HAS_TK = True
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except (OSError, ImportError):
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# Skipped via pytestmark
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HAS_TK = False
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TK_MODES = ("1", "L", "P", "RGB", "RGBA")
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pytestmark = pytest.mark.skipif(not HAS_TK, reason="Tk not installed")
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def setup_module():
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try:
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# setup tk
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tk.Frame()
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# root = tk.Tk()
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except RuntimeError as v:
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pytest.skip(f"RuntimeError: {v}")
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except tk.TclError as v:
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pytest.skip(f"TCL Error: {v}")
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def test_kw():
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TEST_JPG = "Tests/images/hopper.jpg"
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TEST_PNG = "Tests/images/hopper.png"
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with Image.open(TEST_JPG) as im1:
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with Image.open(TEST_PNG) as im2:
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with open(TEST_PNG, "rb") as fp:
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data = fp.read()
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kw = {"file": TEST_JPG, "data": data}
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# Test "file"
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im = ImageTk._get_image_from_kw(kw)
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assert_image_equal(im, im1)
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# Test "data"
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im = ImageTk._get_image_from_kw(kw)
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assert_image_equal(im, im2)
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# Test no relevant entry
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im = ImageTk._get_image_from_kw(kw)
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assert im is None
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@pytest.mark.parametrize("mode", TK_MODES)
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def test_photoimage(mode):
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# test as image:
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im = hopper(mode)
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# this should not crash
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im_tk = ImageTk.PhotoImage(im)
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assert im_tk.width() == im.width
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assert im_tk.height() == im.height
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reloaded = ImageTk.getimage(im_tk)
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assert_image_equal(reloaded, im.convert("RGBA"))
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def test_photoimage_apply_transparency():
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with Image.open("Tests/images/pil123p.png") as im:
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im_tk = ImageTk.PhotoImage(im)
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reloaded = ImageTk.getimage(im_tk)
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assert_image_equal(reloaded, im.convert("RGBA"))
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@pytest.mark.parametrize("mode", TK_MODES)
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def test_photoimage_blank(mode):
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# test a image using mode/size:
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im_tk = ImageTk.PhotoImage(mode, (100, 100))
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assert im_tk.width() == 100
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assert im_tk.height() == 100
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im = Image.new(mode, (100, 100))
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reloaded = ImageTk.getimage(im_tk)
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assert_image_equal(reloaded.convert(mode), im)
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def test_bitmapimage():
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im = hopper("1")
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# this should not crash
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im_tk = ImageTk.BitmapImage(im)
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assert im_tk.width() == im.width
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assert im_tk.height() == im.height
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# reloaded = ImageTk.getimage(im_tk)
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# assert_image_equal(reloaded, im)
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