107 lines
2.8 KiB
Python
107 lines
2.8 KiB
Python
# SPDX-FileCopyrightText: 2026 Blender Authors
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#
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# SPDX-License-Identifier: Apache-2.0
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import pathlib
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import sys
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def argparse_create():
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import argparse
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parser = argparse.ArgumentParser(
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prog=pathlib.Path(sys.argv[0]).name + " --command maketx",
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description=(
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"Generate Cycles texture cache (.tx) files.\n"
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"\n"
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"When a file path is given, generate a tx file for that image.\n"
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"When no file path is given, a blend file must be loaded and tx\n"
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"files are generated for all images used by shader node trees."
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),
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formatter_class=argparse.RawDescriptionHelpFormatter,
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)
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parser.add_argument(
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"filepath",
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type=str,
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nargs="?",
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default=None,
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help="Source image file path. If omitted, generate for all images in the blend file.",
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)
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parser.add_argument(
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"--colorspace",
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dest="colorspace",
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type=str,
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default="auto",
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help="Color space name. Auto-detected if omitted. Only used with a file path.",
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)
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parser.add_argument(
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"--alpha-type",
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dest="alpha_type",
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type=str,
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default="auto",
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choices=["straight", "premultiplied", "channel_packed", "none", "auto"],
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help="Alpha type. Auto-detected if omitted. Only used with a file path.",
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)
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parser.add_argument(
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"--cache-dir",
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dest="cache_dir",
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type=str,
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default="",
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help="Output directory for tx files, relative to source image or absolute.",
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)
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return parser
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def maketx_command(argv):
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parser = argparse_create()
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args = parser.parse_args(argv)
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if args.filepath is not None:
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return maketx_file(args)
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else:
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return maketx_blend(args, parser)
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def maketx_file(args):
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import _cycles
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filepath = str(pathlib.Path(args.filepath).absolute())
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try:
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out_filepath = _cycles.maketx(
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filepath,
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colorspace=args.colorspace,
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alpha_type=args.alpha_type,
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cache_dir=args.cache_dir,
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)
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except RuntimeError as ex:
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sys.stderr.write("Error: {:s}\n".format(str(ex)))
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return 1
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print(out_filepath)
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return 0
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def maketx_blend(args, parser):
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import bpy
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if not bpy.data.filepath:
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parser.error("No image file path given and no blend file loaded.")
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if args.colorspace != "auto":
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parser.error("--colorspace is only used with an image file path argument.")
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if args.alpha_type != "auto":
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parser.error("--alpha-type is only used with an image file path argument.")
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if args.cache_dir:
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bpy.context.preferences.filepaths.texture_cache_directory = args.cache_dir
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bpy.ops.render.generate_texture_cache()
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return 0
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