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Return sizes from optimize

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Andrew 2025-08-04 14:22:26 +12:00
parent 2a3aa83928
commit 8d75a6acfe
1 changed files with 6 additions and 4 deletions
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10
src/lib.rs
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@ -181,7 +181,9 @@ impl RawImage {
} }
/// Perform optimization on the input file using the options provided /// Perform optimization on the input file using the options provided
pub fn optimize(input: &InFile, output: &OutFile, opts: &Options) -> PngResult<()> { ///
/// Returns the original and optimized file sizes
pub fn optimize(input: &InFile, output: &OutFile, opts: &Options) -> PngResult<(usize, usize)> {
// Read in the file and try to decode as PNG. // Read in the file and try to decode as PNG.
info!("Processing: {input}"); info!("Processing: {input}");
@ -230,14 +232,14 @@ pub fn optimize(input: &InFile, output: &OutFile, opts: &Options) -> PngResult<(
let in_length = in_data.len(); let in_length = in_data.len();
if is_fully_optimized(in_data.len(), optimized_output.len(), opts) { if is_fully_optimized(in_length, optimized_output.len(), opts) {
match (output, input) { match (output, input) {
// If output path is None, it also means same as the input path // If output path is None, it also means same as the input path
(OutFile::Path { path, .. }, InFile::Path(input_path)) (OutFile::Path { path, .. }, InFile::Path(input_path))
if path.as_ref().is_none_or(|p| p == input_path) => if path.as_ref().is_none_or(|p| p == input_path) =>
{ {
info!("{input}: Could not optimize further, no change written"); info!("{input}: Could not optimize further, no change written");
return Ok(()); return Ok((in_length, in_length));
} }
_ => { _ => {
optimized_output = in_data; optimized_output = in_data;
@ -305,7 +307,7 @@ pub fn optimize(input: &InFile, output: &OutFile, opts: &Options) -> PngResult<(
info!("{}: {}", savings, output_path.display()); info!("{}: {}", savings, output_path.display());
} }
} }
Ok(()) Ok((in_length, optimized_output.len()))
} }
/// Perform optimization on the input file using the options provided, where the file is already /// Perform optimization on the input file using the options provided, where the file is already