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switch to PNG when images too large #12667

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Aug 21, 2023
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switch to PNG when images too large #12667

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5 changes: 5 additions & 0 deletions modules/images.py
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Original file line number Diff line number Diff line change
Expand Up @@ -600,6 +600,11 @@ def save_image(image, path, basename, seed=None, prompt=None, extension='png', i
"""
namegen = FilenameGenerator(p, seed, prompt, image)

# WebP and JPG formats have maximum dimension limits of 16383 and 65535 respectively. switch to PNG which has a much higher limit
if (image.height > 65535 or image.width > 65535) and extension.lower() in ("jpg", "jpeg") or (image.height > 16383 or image.width > 16383) and extension.lower() == "webp":
print('Image dimensions too large; saving as PNG')
extension = ".png"

if save_to_dirs is None:
save_to_dirs = (grid and opts.grid_save_to_dirs) or (not grid and opts.save_to_dirs and not no_prompt)

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