Added reading BGR;15 images

This commit is contained in:
Andrew Murray 2023-11-27 19:26:58 +11:00
parent f9c7bd8611
commit 4ae3ce2571
4 changed files with 11 additions and 7 deletions

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Tests/images/bgr15.dds Normal file

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Tests/images/bgr15.png Normal file

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Width:  |  Height:  |  Size: 18 KiB

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@ -26,6 +26,7 @@ TEST_FILE_DX10_R8G8B8A8_UNORM_SRGB = "Tests/images/DXGI_FORMAT_R8G8B8A8_UNORM_SR
TEST_FILE_UNCOMPRESSED_L = "Tests/images/uncompressed_l.dds"
TEST_FILE_UNCOMPRESSED_L_WITH_ALPHA = "Tests/images/uncompressed_la.dds"
TEST_FILE_UNCOMPRESSED_RGB = "Tests/images/hopper.dds"
TEST_FILE_UNCOMPRESSED_BGR15 = "Tests/images/bgr15.dds"
TEST_FILE_UNCOMPRESSED_RGB_WITH_ALPHA = "Tests/images/uncompressed_rgb.dds"
@ -211,6 +212,7 @@ def test_unimplemented_dxgi_format():
("L", (128, 128), TEST_FILE_UNCOMPRESSED_L),
("LA", (128, 128), TEST_FILE_UNCOMPRESSED_L_WITH_ALPHA),
("RGB", (128, 128), TEST_FILE_UNCOMPRESSED_RGB),
("RGB", (128, 128), TEST_FILE_UNCOMPRESSED_BGR15),
("RGBA", (800, 600), TEST_FILE_UNCOMPRESSED_RGB_WITH_ALPHA),
],
)

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@ -148,15 +148,17 @@ class DdsImageFile(ImageFile.ImageFile):
self.tile = [("raw", (0, 0) + self.size, 0, (self.mode, 0, 1))]
elif pfflags & DDPF_RGB:
# Texture contains uncompressed RGB data
masks = {mask: ["R", "G", "B", "A"][i] for i, mask in enumerate(masks)}
rawmode = ""
if pfflags & DDPF_ALPHAPIXELS:
rawmode += masks[0xFF000000]
else:
if not pfflags & DDPF_ALPHAPIXELS:
self._mode = "RGB"
rawmode += masks[0xFF0000] + masks[0xFF00] + masks[0xFF]
if masks[:3] == (31744, 992, 31) and self.mode == "RGB":
rawmode = "BGR;15"
else:
masks = {mask: ["R", "G", "B", "A"][i] for i, mask in enumerate(masks)}
rawmode = masks[0xFF] + masks[0xFF00] + masks[0xFF0000]
if self.mode == "RGBA":
rawmode += masks[0xFF000000]
self.tile = [("raw", (0, 0) + self.size, 0, (rawmode[::-1], 0, 1))]
self.tile = [("raw", (0, 0) + self.size, 0, (rawmode, 0, 1))]
elif pfflags & DDPF_PALETTEINDEXED8:
self._mode = "P"
self.palette = ImagePalette.raw("RGBA", self.fp.read(1024))