mirror of
https://github.com/python-pillow/Pillow.git
synced 2024-12-26 09:56:17 +03:00
149 lines
4.5 KiB
Python
149 lines
4.5 KiB
Python
import os
|
|
from glob import glob
|
|
from itertools import product
|
|
|
|
from helper import unittest, PillowTestCase
|
|
|
|
from PIL import Image
|
|
|
|
|
|
_TGA_DIR = os.path.join("Tests", "images", "tga")
|
|
_TGA_DIR_COMMON = os.path.join(_TGA_DIR, "common")
|
|
|
|
|
|
class TestFileTga(PillowTestCase):
|
|
|
|
_MODES = ("L", "LA", "P", "RGB", "RGBA")
|
|
_ORIGINS = ("tl", "bl")
|
|
|
|
_ORIGIN_TO_ORIENTATION = {
|
|
"tl": 1,
|
|
"bl": -1
|
|
}
|
|
|
|
def test_sanity(self):
|
|
for mode in self._MODES:
|
|
png_paths = glob(
|
|
os.path.join(
|
|
_TGA_DIR_COMMON, "*x*_{}.png".format(mode.lower())))
|
|
|
|
for png_path in png_paths:
|
|
reference_im = Image.open(png_path)
|
|
self.assertEqual(reference_im.mode, mode)
|
|
|
|
path_no_ext = os.path.splitext(png_path)[0]
|
|
for origin, rle in product(self._ORIGINS, (True, False)):
|
|
tga_path = "{}_{}_{}.tga".format(
|
|
path_no_ext, origin, "rle" if rle else "raw")
|
|
|
|
original_im = Image.open(tga_path)
|
|
if rle:
|
|
self.assertEqual(
|
|
original_im.info["compression"], "tga_rle")
|
|
self.assertEqual(
|
|
original_im.info["orientation"],
|
|
self._ORIGIN_TO_ORIENTATION[origin])
|
|
if mode == "P":
|
|
self.assertEqual(
|
|
original_im.getpalette(),
|
|
reference_im.getpalette())
|
|
|
|
self.assert_image_equal(original_im, reference_im)
|
|
|
|
# Generate a new test name every time so the
|
|
# test will not fail with permission error
|
|
# on Windows.
|
|
test_file = self.tempfile("temp.tga")
|
|
|
|
original_im.save(test_file, rle=rle)
|
|
saved_im = Image.open(test_file)
|
|
if rle:
|
|
self.assertEqual(
|
|
saved_im.info["compression"],
|
|
original_im.info["compression"])
|
|
self.assertEqual(
|
|
saved_im.info["orientation"],
|
|
original_im.info["orientation"])
|
|
if mode == "P":
|
|
self.assertEqual(
|
|
saved_im.getpalette(),
|
|
original_im.getpalette())
|
|
|
|
self.assert_image_equal(saved_im, original_im)
|
|
|
|
def test_id_field(self):
|
|
# tga file with id field
|
|
test_file = "Tests/images/tga_id_field.tga"
|
|
|
|
# Act
|
|
im = Image.open(test_file)
|
|
|
|
# Assert
|
|
self.assertEqual(im.size, (100, 100))
|
|
|
|
def test_id_field_rle(self):
|
|
# tga file with id field
|
|
test_file = "Tests/images/rgb32rle.tga"
|
|
|
|
# Act
|
|
im = Image.open(test_file)
|
|
|
|
# Assert
|
|
self.assertEqual(im.size, (199, 199))
|
|
|
|
def test_save(self):
|
|
test_file = "Tests/images/tga_id_field.tga"
|
|
im = Image.open(test_file)
|
|
|
|
test_file = self.tempfile("temp.tga")
|
|
|
|
# Save
|
|
im.save(test_file)
|
|
test_im = Image.open(test_file)
|
|
self.assertEqual(test_im.size, (100, 100))
|
|
|
|
# RGBA save
|
|
im.convert("RGBA").save(test_file)
|
|
test_im = Image.open(test_file)
|
|
self.assertEqual(test_im.size, (100, 100))
|
|
|
|
def test_save_rle(self):
|
|
test_file = "Tests/images/rgb32rle.tga"
|
|
im = Image.open(test_file)
|
|
|
|
test_file = self.tempfile("temp.tga")
|
|
|
|
# Save
|
|
im.save(test_file)
|
|
test_im = Image.open(test_file)
|
|
self.assertEqual(test_im.size, (199, 199))
|
|
|
|
# RGBA save
|
|
im.convert("RGBA").save(test_file)
|
|
test_im = Image.open(test_file)
|
|
self.assertEqual(test_im.size, (199, 199))
|
|
|
|
def test_save_l_transparency(self):
|
|
# There are 559 transparent pixels in la.tga.
|
|
num_transparent = 559
|
|
|
|
in_file = "Tests/images/la.tga"
|
|
im = Image.open(in_file)
|
|
self.assertEqual(im.mode, "LA")
|
|
self.assertEqual(
|
|
im.getchannel("A").getcolors()[0][0], num_transparent)
|
|
|
|
test_file = self.tempfile("temp.tga")
|
|
im.save(test_file)
|
|
|
|
test_im = Image.open(test_file)
|
|
self.assertEqual(test_im.mode, "LA")
|
|
self.assertEqual(
|
|
test_im.getchannel("A").getcolors()[0][0], num_transparent)
|
|
|
|
self.assert_image_equal(im, test_im)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
unittest.main()
|