33 lines
972 B
Rust
33 lines
972 B
Rust
//
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// Copyright (c) 2024 Nathan Fiedler
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//
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extern crate magick_rust;
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use magick_rust::{magick_wand_genesis, MagickError, MagickWand};
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use std::fs;
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use std::sync::Once;
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// Used to make sure MagickWand is initialized exactly once. Note that we do not
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// bother shutting down, we simply exit when we're done.
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static START: Once = Once::new();
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// Read the named file and create a thumbnail bound by a rectangle that is 240
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// by 240 pixels (for snow-covered-cat.jpg it will be 240x191 pixels).
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fn resize(filepath: &str) -> Result<Vec<u8>, MagickError> {
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START.call_once(|| {
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magick_wand_genesis();
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});
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let wand = MagickWand::new();
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wand.read_image(filepath)?;
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wand.fit(240, 240);
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wand.write_image_blob("jpeg")
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}
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fn main() {
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match resize("tests/data/snow-covered-cat.jpg") {
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Ok(bytes) => {
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fs::write("thumbnail-cat.jpg", bytes).expect("write failed");
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}
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Err(err) => println!("error: {}", err),
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}
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}
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