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use webp::AnimEncoder;
use webp::AnimFrame;
use webp::WebPConfig;
fn main() {
let width = 32u32;
let height = 32u32;
fn dumy_image(width: u32, height: u32, color: [u8; 4]) -> Vec<u8> {
let mut pixels = Vec::with_capacity(width as usize * height as usize * 4);
for _ in 0..(width * height) {
pixels.push(color[0]); //red
pixels.push(color[1]); //green
pixels.push(color[2]); //blue
pixels.push(color[3]); //alpha
}
pixels
}
let mut config = WebPConfig::new().unwrap();
config.lossless = 1;
config.alpha_compression = 0;
config.quality = 75f32;
let mut encoder = AnimEncoder::new(width as u32, height as u32, &config);
encoder.set_bgcolor([255, 0, 0, 255]);
encoder.set_loop_count(3);
let mut time_ms = 1000;
let v = dumy_image(width, height, [255, 0, 0, 255]);
encoder.add_frame(AnimFrame::from_rgba(&v, width, height, time_ms));
time_ms += 750;
let v = dumy_image(width, height, [0, 255, 0, 255]);
encoder.add_frame(AnimFrame::from_rgba(&v, width, height, time_ms));
time_ms += 500;
let v = dumy_image(width, height, [0, 0, 255, 255]);
encoder.add_frame(AnimFrame::from_rgba(&v, width, height, time_ms));
time_ms += 250;
let v = dumy_image(width, height, [0, 0, 0, 0]);
encoder.add_frame(AnimFrame::from_rgba(&v, width, height, time_ms));
let webp = encoder.encode();
let output_path = std::path::Path::new("assets")
.join("dumy_anim")
.with_extension("webp");
std::fs::write(&output_path, &*webp).unwrap();
}
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