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author | Valentin Popov <valentin@popov.link> | 2024-07-19 15:37:58 +0300 |
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committer | Valentin Popov <valentin@popov.link> | 2024-07-19 15:37:58 +0300 |
commit | a990de90fe41456a23e58bd087d2f107d321f3a1 (patch) | |
tree | 15afc392522a9e85dc3332235e311b7d39352ea9 /vendor/gif/README.md | |
parent | 3d48cd3f81164bbfc1a755dc1d4a9a02f98c8ddd (diff) | |
download | fparkan-a990de90fe41456a23e58bd087d2f107d321f3a1.tar.xz fparkan-a990de90fe41456a23e58bd087d2f107d321f3a1.zip |
Deleted vendor folder
Diffstat (limited to 'vendor/gif/README.md')
-rw-r--r-- | vendor/gif/README.md | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/vendor/gif/README.md b/vendor/gif/README.md deleted file mode 100644 index 3202b8d..0000000 --- a/vendor/gif/README.md +++ /dev/null @@ -1,83 +0,0 @@ -# GIF en- and decoding library [![Build Status](https://github.com/image-rs/image-gif/workflows/Rust%20CI/badge.svg)](https://github.com/image-rs/image-gif/actions) - -GIF en- and decoder written in Rust ([API Documentation](https://docs.rs/gif/)). - -# GIF encoding and decoding library - -This library provides all functions necessary to de- and encode GIF files. - -## High level interface - -The high level interface consists of the two types -[`Encoder`](https://docs.rs/gif/*/gif/struct.Encoder.html) and [`Decoder`](https://docs.rs/gif/*/gif/struct.Decoder.html). - -### Decoding GIF files - -```rust -// Open the file -use std::fs::File; -let input = File::open("tests/samples/sample_1.gif").unwrap(); -// Configure the decoder such that it will expand the image to RGBA. -let mut options = gif::DecodeOptions::new(); -options.set_color_output(gif::ColorOutput::RGBA); -// Read the file header -let mut decoder = options.read_info(input).unwrap(); -while let Some(frame) = decoder.read_next_frame().unwrap() { - // Process every frame -} -``` - -### Encoding GIF files - -The encoder can be used to save simple computer generated images: - -```rust -use gif::{Frame, Encoder, Repeat}; -use std::fs::File; -use std::borrow::Cow; - -let color_map = &[0xFF, 0xFF, 0xFF, 0, 0, 0]; -let (width, height) = (6, 6); -let beacon_states = [[ - 0, 0, 0, 0, 0, 0, - 0, 1, 1, 0, 0, 0, - 0, 1, 1, 0, 0, 0, - 0, 0, 0, 1, 1, 0, - 0, 0, 0, 1, 1, 0, - 0, 0, 0, 0, 0, 0, -], [ - 0, 0, 0, 0, 0, 0, - 0, 1, 1, 0, 0, 0, - 0, 1, 0, 0, 0, 0, - 0, 0, 0, 0, 1, 0, - 0, 0, 0, 1, 1, 0, - 0, 0, 0, 0, 0, 0, -]]; -let mut image = File::create("target/beacon.gif").unwrap(); -let mut encoder = Encoder::new(&mut image, width, height, color_map).unwrap(); -encoder.set_repeat(Repeat::Infinite).unwrap(); -for state in &beacon_states { - let mut frame = Frame::default(); - frame.width = width; - frame.height = height; - frame.buffer = Cow::Borrowed(&*state); - encoder.write_frame(&frame).unwrap(); -} -``` - -[`Frame::from_*`](https://docs.rs/gif/*/gif/struct.Frame.html) can be used to convert a true color image to a paletted -image with a maximum of 256 colors: - -```rust -use std::fs::File; - -// Get pixel data from some source -let mut pixels: Vec<u8> = vec![0; 30_000]; -// Create frame from data -let frame = gif::Frame::from_rgb(100, 100, &mut *pixels); -// Create encoder -let mut image = File::create("target/indexed_color.gif").unwrap(); -let mut encoder = gif::Encoder::new(&mut image, frame.width, frame.height, &[]).unwrap(); -// Write frame to file -encoder.write_frame(&frame).unwrap(); -``` |