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Raise an error if map depth is unknown

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This commit is contained in:
Andrew Murray 2024-02-14 07:10:44 +11:00
parent 63987b7aba
commit 818500b329
3 changed files with 9 additions and 1 deletions
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Tests/images/p_8.tga Normal file
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7
Tests/test_file_tga.py
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@ -7,7 +7,7 @@ from pathlib import Path
import pytest import pytest
from PIL import Image from PIL import Image, UnidentifiedImageError
from .helper import assert_image_equal, assert_image_equal_tofile, hopper from .helper import assert_image_equal, assert_image_equal_tofile, hopper
@ -65,6 +65,11 @@ def test_sanity(mode, tmp_path: Path) -> None:
roundtrip(original_im) roundtrip(original_im)
def test_palette_depth_8(tmp_path: Path) -> None:
with pytest.raises(UnidentifiedImageError):
Image.open("Tests/images/p_8.tga")
def test_palette_depth_16(tmp_path: Path) -> None: def test_palette_depth_16(tmp_path: Path) -> None:
with Image.open("Tests/images/p_16.tga") as im: with Image.open("Tests/images/p_16.tga") as im:
assert_image_equal_tofile(im.convert("RGB"), "Tests/images/p_16.png") assert_image_equal_tofile(im.convert("RGB"), "Tests/images/p_16.png")

3
src/PIL/TgaImagePlugin.py
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@ -128,6 +128,9 @@ class TgaImageFile(ImageFile.ImageFile):
self.palette = ImagePalette.raw( self.palette = ImagePalette.raw(
"BGRA", b"\0" * 4 * start + self.fp.read(4 * size) "BGRA", b"\0" * 4 * start + self.fp.read(4 * size)
) )
else:
msg = "unknown TGA map depth"
raise SyntaxError(msg)
# setup tile descriptor # setup tile descriptor
try: try: