Crate pngmeta 

pngmeta: Read and write PNG tEXt metadata chunks.

Low-level library for PNG tEXt chunk I/O without image decoding. Operates directly on the binary PNG structure using only std.

Functions

contains_in_text_chunks

Search tEXt chunk data for a byte pattern without decoding.

read_text_chunks

Extract all tEXt chunks from a PNG file.

scan_text_chunks

Scan tEXt chunks with a caller-supplied predicate on raw bytes.

write_text_chunk

Write a tEXt chunk into an existing PNG file.