50 lines
1.4 KiB
Rust
50 lines
1.4 KiB
Rust
extern crate tiff;
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use tiff::ColorType;
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use tiff::decoder::{Decoder, DecodingResult, ifd::Tag, ifd::Value};
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use tiff::encoder::{TiffEncoder, RGB8};
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use std::fs::File;
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#[test]
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fn encode_decode() {
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let mut image_data = Vec::new();
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for x in 0..100 {
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for y in 0..100u8 {
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let val = x + y;
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image_data.push(val);
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image_data.push(val);
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image_data.push(val);
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}
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}
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{
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let file = std::fs::File::create("test.tiff").unwrap();
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let mut tiff = TiffEncoder::new(file).unwrap();
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let mut image = tiff.new_image::<RGB8>(100, 100).unwrap();
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let mut idx = 0;
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while image.next_strip_sample_count() > 0 {
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let sample_count = image.next_strip_sample_count() as usize;
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image.write_strip(&image_data[idx..idx+sample_count]).unwrap();
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idx += sample_count;
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}
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image.finish().unwrap();
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}
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{
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let file = File::open("test.tiff").unwrap();
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let mut decoder = Decoder::new(file).unwrap();
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assert_eq!(decoder.colortype().unwrap(), ColorType::RGB(8));
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assert_eq!(decoder.dimensions().unwrap(), (100, 100));
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if let DecodingResult::U8(img_res) = decoder.read_image().unwrap() {
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assert_eq!(image_data, img_res);
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}
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else {
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panic!("Wrong data type");
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}
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}
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std::fs::remove_file("test.tiff").unwrap();
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}
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