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Reader

Struct Reader 

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pub struct Reader;
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Decode a QR code from various input formats.

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impl Reader

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pub fn from_png(data: &[u8]) -> Result<Code, Error>

Decode from PNG bytes.

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pub fn from_pbm(data: &[u8]) -> Result<Code, Error>

Decode from PBM bytes (P1 ASCII or P4 binary, auto-detected).

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pub fn from_image_bytes(data: &[u8]) -> Result<Code, Error>

Decode from image bytes, auto-detecting PNG vs PBM via magic bytes.

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impl<T> Any for T
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type Error = <U as TryFrom<T>>::Error

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