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[pre-commit.ci] auto fixes from pre-commit.com hooks
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REDxEYE
parent
df3c025cbc
commit
9223c06482
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@ -11,7 +11,7 @@ Full text of the CC0 license:
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"""
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import struct
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from enum import IntFlag, IntEnum
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from enum import IntEnum, IntFlag
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from typing import NamedTuple
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from . import Image, ImageFile
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@ -99,39 +99,51 @@ class VtfPF(IntEnum):
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UVLX8888 = 26
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VTFHeader = NamedTuple("VTFHeader", [
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("header_size", int),
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("width", int),
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("height", int),
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("flags", int),
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("frames", int),
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("first_frames", int),
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("padding0", int),
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("reflectivity_r", float),
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("reflectivity_g", float),
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("reflectivity_b", float),
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("padding1", int),
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("bumpmap_scale", float),
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("pixel_format", int),
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("mipmap_count", int),
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("lowres_format", int),
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("lowres_width", int),
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("lowres_height", int),
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# V 7.2+
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('depth', int),
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# V 7.3+
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('padding2', int),
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('padding2_', int),
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('resource_count', int),
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('padding3', int),
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])
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VTFHeader = NamedTuple(
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"VTFHeader",
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[
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("header_size", int),
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("width", int),
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("height", int),
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("flags", int),
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("frames", int),
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("first_frames", int),
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("padding0", int),
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("reflectivity_r", float),
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("reflectivity_g", float),
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("reflectivity_b", float),
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("padding1", int),
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("bumpmap_scale", float),
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("pixel_format", int),
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("mipmap_count", int),
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("lowres_format", int),
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("lowres_width", int),
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("lowres_height", int),
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# V 7.2+
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("depth", int),
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# V 7.3+
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("padding2", int),
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("padding2_", int),
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("resource_count", int),
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("padding3", int),
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],
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)
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RGB_FORMATS = (VtfPF.RGB888,)
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RGBA_FORMATS = (VtfPF.DXT1, VtfPF.DXT1_ONEBITALPHA, VtfPF.DXT3, VtfPF.DXT5, VtfPF.RGBA8888)
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L_FORMATS = (VtfPF.A8, VtfPF.I8,)
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LA_FORMATS = (VtfPF.IA88, VtfPF.UV88,)
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RGBA_FORMATS = (
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VtfPF.DXT1,
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VtfPF.DXT1_ONEBITALPHA,
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VtfPF.DXT3,
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VtfPF.DXT5,
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VtfPF.RGBA8888,
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)
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L_FORMATS = (
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VtfPF.A8,
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VtfPF.I8,
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)
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LA_FORMATS = (
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VtfPF.IA88,
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VtfPF.UV88,
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)
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SUPPORTED_FORMATS = RGBA_FORMATS + RGB_FORMATS + LA_FORMATS + L_FORMATS
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@ -139,7 +151,14 @@ SUPPORTED_FORMATS = RGBA_FORMATS + RGB_FORMATS + LA_FORMATS + L_FORMATS
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def _get_texture_size(pixel_format: VtfPF, width, height):
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if pixel_format in (VtfPF.DXT1, VtfPF.DXT1_ONEBITALPHA):
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return width * height // 2
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elif pixel_format in (VtfPF.DXT3, VtfPF.DXT5,) + L_FORMATS:
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elif (
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pixel_format
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in (
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VtfPF.DXT3,
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VtfPF.DXT5,
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)
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+ L_FORMATS
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):
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return width * height
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elif pixel_format in LA_FORMATS:
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return width * height * 2
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@ -147,7 +166,7 @@ def _get_texture_size(pixel_format: VtfPF, width, height):
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return width * height * 3
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elif pixel_format in (VtfPF.RGBA8888,):
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return width * height * 4
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raise VTFException(f'Unsupported VTF pixel format: {pixel_format}')
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raise VTFException(f"Unsupported VTF pixel format: {pixel_format}")
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class VtfImageFile(ImageFile.ImageFile):
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@ -158,28 +177,34 @@ class VtfImageFile(ImageFile.ImageFile):
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if not _accept(self.fp.read(12)):
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raise SyntaxError("not a VTF file")
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self.fp.seek(4)
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version = struct.unpack('<2I', self.fp.read(8))
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version = struct.unpack("<2I", self.fp.read(8))
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if version <= (7, 2):
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header = VTFHeader(*struct.unpack('<I2HI2HI3fIfIbI2b', self.fp.read(51)), 0, 0, 0, 0, 0)
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header = VTFHeader(
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*struct.unpack("<I2HI2HI3fIfIbI2b", self.fp.read(51)), 0, 0, 0, 0, 0
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)
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elif (7, 2) <= version < (7, 3):
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header = VTFHeader(*struct.unpack('<I2HI2HI3fIfIbI2bH', self.fp.read(53)), 0, 0, 0, 0)
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header = VTFHeader(
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*struct.unpack("<I2HI2HI3fIfIbI2bH", self.fp.read(53)), 0, 0, 0, 0
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)
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elif (7, 3) <= version < (7, 5):
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header = VTFHeader(*struct.unpack('<I2HI2HI3fIfIbI2bHHBIQ', self.fp.read(68)))
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header = VTFHeader(
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*struct.unpack("<I2HI2HI3fIfIbI2bHHBIQ", self.fp.read(68))
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)
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self.fp.seek(header.resource_count * 8, 1)
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else:
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raise VTFException(f"Unsupported VTF version: {version}")
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flags = CompiledVtfFlags(header.flags)
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pixel_format = VtfPF(header.pixel_format)
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if pixel_format in RGB_FORMATS:
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self.mode = 'RGB'
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self.mode = "RGB"
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elif pixel_format in RGBA_FORMATS:
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self.mode = 'RGBA'
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self.mode = "RGBA"
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elif pixel_format in L_FORMATS:
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self.mode = 'L'
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self.mode = "L"
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elif pixel_format in LA_FORMATS:
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self.mode = 'LA'
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self.mode = "LA"
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else:
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raise VTFException(f'Unsupported VTF pixel format: {pixel_format}')
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raise VTFException(f"Unsupported VTF pixel format: {pixel_format}")
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# if flags & CompiledVtfFlags.EIGHTBITALPHA or flags & CompiledVtfFlags.ONEBITALPHA:
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# if 'A' not in self.mode:
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@ -191,19 +216,26 @@ class VtfImageFile(ImageFile.ImageFile):
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self._size = (header.width, header.height)
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data_start = self.fp.tell()
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data_start += _get_texture_size(header.lowres_format, header.lowres_width, header.lowres_height)
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min_res = 4 if pixel_format in (VtfPF.DXT1, VtfPF.DXT1_ONEBITALPHA, VtfPF.DXT3, VtfPF.DXT5) else 1
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for mip_id in range(header.mipmap_count - 1, 0, - 1):
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data_start += _get_texture_size(
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header.lowres_format, header.lowres_width, header.lowres_height
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)
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min_res = (
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4
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if pixel_format
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in (VtfPF.DXT1, VtfPF.DXT1_ONEBITALPHA, VtfPF.DXT3, VtfPF.DXT5)
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else 1
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)
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for mip_id in range(header.mipmap_count - 1, 0, -1):
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mip_width = max(header.width >> mip_id, min_res)
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mip_height = max(header.height >> mip_id, min_res)
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data_start += _get_texture_size(pixel_format, mip_width, mip_height)
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if pixel_format in (VtfPF.DXT1, VtfPF.DXT1_ONEBITALPHA):
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tile = ("bcn", (0, 0) + self.size, data_start, (1, 'DXT1'))
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tile = ("bcn", (0, 0) + self.size, data_start, (1, "DXT1"))
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elif pixel_format == VtfPF.DXT3:
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tile = ("bcn", (0, 0) + self.size, data_start, (2, 'DXT3'))
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tile = ("bcn", (0, 0) + self.size, data_start, (2, "DXT3"))
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elif pixel_format == VtfPF.DXT5:
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tile = ("bcn", (0, 0) + self.size, data_start, (3, 'DXT5'))
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tile = ("bcn", (0, 0) + self.size, data_start, (3, "DXT5"))
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elif pixel_format in (VtfPF.RGBA8888,):
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tile = ("raw", (0, 0) + self.size, data_start, ("RGBA", 0, 1))
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elif pixel_format in (VtfPF.RGB888,):
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@ -213,7 +245,7 @@ class VtfImageFile(ImageFile.ImageFile):
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elif pixel_format in LA_FORMATS:
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tile = ("raw", (0, 0) + self.size, data_start, ("LA", 0, 1))
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else:
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raise VTFException(f'Unsupported VTF pixel format: {pixel_format}')
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raise VTFException(f"Unsupported VTF pixel format: {pixel_format}")
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self.tile = [tile]
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@ -224,7 +256,7 @@ def _save(im, fp, filename):
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def _accept(prefix):
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valid_header = prefix[:4] == b"VTF\x00"
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valid_version = struct.unpack_from('<2I', prefix, 4) >= (7, 0)
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valid_version = struct.unpack_from("<2I", prefix, 4) >= (7, 0)
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return valid_header and valid_version
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