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Add warnings about stripping APNGs

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Andrew 2023-05-31 08:43:07 +12:00 committed by Josh Holmer
parent 041e5f084b
commit ff06573c9f
2 changed files with 6 additions and 1 deletions
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2
src/main.rs
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@ -120,7 +120,7 @@ fn main() {
) )
.arg( .arg(
Arg::new("strip") Arg::new("strip")
.help("Strip metadata objects ['safe', 'all', or comma-separated list]") .help("Strip metadata objects ['safe', 'all', or comma-separated list]\nCAUTION: stripping 'all' will convert APNGs to standard PNGs")
.long("strip") .long("strip")
.value_name("mode") .value_name("mode")
.conflicts_with("strip-safe"), .conflicts_with("strip-safe"),

5
src/png/mod.rs
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@ -7,6 +7,7 @@ use crate::interlace::{deinterlace_image, interlace_image, Interlacing};
use crate::Options; use crate::Options;
use bitvec::bitarr; use bitvec::bitarr;
use libdeflater::{CompressionLvl, Compressor}; use libdeflater::{CompressionLvl, Compressor};
use log::warn;
use rgb::ComponentSlice; use rgb::ComponentSlice;
use rustc_hash::FxHashMap; use rustc_hash::FxHashMap;
use std::fs::File; use std::fs::File;
@ -112,6 +113,10 @@ impl PngData {
name: chunk.name, name: chunk.name,
data: chunk.data.to_owned(), data: chunk.data.to_owned(),
}) })
} else if chunk.name == *b"acTL" {
warn!(
"Stripping animation data from APNG - image will become standard PNG"
);
} }
} }
} }