map2fig 0.7.7

Fast, publication-quality HEALPix sky map visualization in Rust
Documentation 
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/// Utilities for creating uncompressed PDF output with Cairo
/// Cairo's PDF output is compressed with zlib by default. This module provides
/// ways to generate PDFs without compression for faster rendering.
use std::fs;
use std::path::Path;

/// Create an uncompressed PDF from a Cairo PDF by decompressing streams
/// This is a post-processing step that re-encodes the PDF without compression
pub fn decompress_pdf<P: AsRef<Path>>(pdf_path: P) -> std::io::Result<()> {
    let path = pdf_path.as_ref();
    let _data = fs::read(path)?;

    // For now, this is a placeholder
    // A full implementation would:
    // 1. Parse the PDF structure
    // 2. Find all FlateDecode streams
    // 3. Decompress them
    // 4. Remove the FlateDecode filter
    // 5. Write the uncompressed PDF

    // Alternatively, use an external tool: qpdf --stream-data=uncompress input.pdf output.pdf

    Ok(())
}

#[cfg(test)]
mod tests {

    #[test]
    fn test_decompress_placeholder() {
        // Placeholder for decompression tests
    }
}