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vtf.py
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vtf.py
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# Heavily inspired by https://github.com/Ganonmaster/io_texture_VTF/blob/blender280/vtf.py
import bpy
from pathlib import Path
from typing import Tuple, Optional
import numpy as np
from .libraries.VTFLibWrapper import VTFLib
from .libraries.VTFLibWrapper import VTFLibEnums
vtf_lib = VTFLib.VTFLib()
def import_image(path: Path) -> bpy.types.Image:
name = path.stem
vtf_lib.image_load(str(path))
try:
if vtf_lib.image_is_loaded():
print('VTF: Image loaded successfully')
pass
else:
raise Exception("VTF: Failed to load image :{}".format(vtf_lib.get_last_error()))
rgba_data = vtf_lib.get_rgba8888()
print('VTF: Converted')
rgba_data = vtf_lib.flip_image_external(rgba_data, vtf_lib.width(), vtf_lib.height())
print('VTF: Flipped')
pixels = np.array(rgba_data.contents, np.uint8)
pixels = pixels.astype(np.float16, copy=False)
print("VTF: Saving rgb")
flags = vtf_lib.get_image_flags()
alpha = flags.get_flag(VTFLibEnums.ImageFlag.ImageFlagOneBitAlpha) or flags.get_flag(VTFLibEnums.ImageFlag.ImageFlagEightBitAlpha)
image = bpy.data.images.new(name, width=vtf_lib.width(), height=vtf_lib.height(), alpha=alpha)
pixels = np.divide(pixels, 255)
image.pixels = pixels
image.file_format = "PNG"
image.pack()
return image
finally:
vtf_lib.image_destroy()