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Fix alpha channel missing #2917

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Fix alpha channel missing #2917

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b73c0df
Fix alpha channel missing
hben35096 Jun 6, 2025
9b94cf9
Merge branch 'lllyasviel:main' into alpha_fix
hben35096 Jun 7, 2025
5a9a0f9
Merge branch 'lllyasviel:main' into alpha_fix
hben35096 Jul 5, 2025
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5 changes: 5 additions & 0 deletions modules/stealth_infotext.py
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Original file line number Diff line number Diff line change
Expand Up @@ -12,7 +12,12 @@ def add_stealth_pnginfo(params: ImageSaveParams):
return
if 'parameters' not in params.pnginfo:
return
original_alpha = None
if params.image.mode == 'RGBA':
original_alpha = params.image.split()[-1].copy()
add_data(params, str(stealth_pnginfo_option), True)
if original_alpha is not None:
params.image.putalpha(original_alpha)

def prepare_data(params, mode='Alpha', compressed=True):
signature = f"stealth_{'png' if mode == 'Alpha' else 'rgb'}{'info' if not compressed else 'comp'}"
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