16 lines
533 B
Rust
16 lines
533 B
Rust
use crate::{PngError, PngResult};
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use std::num::NonZeroU8;
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pub fn deflate(data: &[u8], iterations: NonZeroU8) -> PngResult<Vec<u8>> {
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let mut output = Vec::with_capacity(data.len());
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let options = zopfli::Options {
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iteration_count: iterations.into(),
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..Default::default()
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};
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match zopfli::compress(options, zopfli::Format::Zlib, data, &mut output) {
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Ok(_) => (),
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Err(_) => return Err(PngError::new("Failed to compress in zopfli")),
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};
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output.shrink_to_fit();
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Ok(output)
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}
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