File size: 2,375 Bytes
41f85e5 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 | # Copyright (c) 2023, Shukant Pal and Contributors
# SPDX-License-Identifier: Apache-2.0
from pyktx import *
from tempfile import NamedTemporaryFile
from test_config import __test_images__
import os
import unittest
class TestKtxTexture1(unittest.TestCase):
def test_create_from_named_file(self):
test_ktx_file = os.path.join(__test_images__, 'etc1.ktx')
texture = KtxTexture1.create_from_named_file(test_ktx_file)
self.assertEqual(texture.gl_internalformat, GlInternalformat.ETC1_RGB8_OES)
self.assertFalse(texture.is_array)
self.assertFalse(texture.generate_mipmaps)
self.assertEqual(texture.num_levels, 1)
def test_write_to_named_file(self):
test_ktx_file = os.path.join(__test_images__, 'etc2-rgb.ktx')
copy_file = NamedTemporaryFile(delete=False)
copy_file.close()
texture = KtxTexture1.create_from_named_file(test_ktx_file, KtxTextureCreateFlagBits.LOAD_IMAGE_DATA_BIT)
texture.write_to_named_file(copy_file.name)
with open(test_ktx_file, 'rb') as original, open(copy_file.name, 'rb') as copy:
self.assertEqual(original.read(), copy.read())
os.unlink(copy_file.name)
def test_write_to_memory(self):
test_ktx_file = os.path.join(__test_images__, 'etc2-rgba1.ktx')
texture = KtxTexture1.create_from_named_file(test_ktx_file, KtxTextureCreateFlagBits.LOAD_IMAGE_DATA_BIT)
texture_bytes = texture.write_to_memory()
with open(test_ktx_file, 'rb') as original:
self.assertEqual(original.read(), texture_bytes)
def test_get_data(self):
test_ktx_file = os.path.join(__test_images__, 'etc2-rgba1.ktx')
texture = KtxTexture1.create_from_named_file(test_ktx_file, KtxTextureCreateFlagBits.LOAD_IMAGE_DATA_BIT)
data = texture.data()
with open(test_ktx_file, 'rb') as file:
level_0_size = texture.image_size(0)
self.assertEqual(file.read()[-level_0_size:], data[:])
def test_create(self):
info = KtxTextureCreateInfo(
gl_internal_format=GlInternalformat.COMPRESSED_RGBA_ASTC_4x4_KHR,
base_width=10,
base_height=10,
base_depth=1)
texture = KtxTexture1.create(info, KtxTextureCreateStorage.ALLOC)
texture.set_image_from_memory(0, 0, 0, bytes(texture.data_size))
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