use micro_png::*;
fn main() {
// load an image
let image = read_png("tmp/test.png").expect("can't load test.png");
println!("{} x {}", image.width(), image.height());
let data = image.data();
(0 .. image.height()).for_each(|y| {
(0 .. image.width()).for_each(|x| {
let _pixel = data[y][x]; // (u16, u16, u16, u16)
});
});
// now write it back as one-frame image
write_apng("tmp/back.png",
ImageData::RGBA16(vec![data]),
None ,// automatically select filtering
None, // no progress callback
false // no Adam-7
).expect("can't save back.png");
// write 2x2 pattern image
let data: Vec<Vec<RGBA>> = vec![
vec![(255, 0, 0, 255), (0, 0, 0, 255)],// the 1st line
vec![(0, 0, 0, 255), (255, 0, 0, 255)],// the 2nd line
];
write_apng("tmp/2x2.png",
ImageData::RGBA(vec![data]), // write one frame
None ,// automatically select filtering
None, // no progress callback
false // no Adam-7
).expect("can't save back.png");
// write single-framed image usize builder
let data_1: Vec<Vec<RGBA>> = vec![
vec![(255, 0, 0, 255), (0, 0, 0, 255)],// the 1st line
vec![(0, 0, 0, 255), (255, 0, 0, 255)],// the 2nd line
];
let builder = APNGBuilder::new("tmp/foo.png", ImageData::RGBA(vec![data_1]))
.set_adam_7(true);
build_apng(builder).unwrap();
// write some animations
let data_2 = vec![
vec![// frame #0
vec![(255, 0, 0, 255), (0, 0, 0, 255)],// the 1st line
vec![(0, 0, 0, 255), (255, 0, 0, 255)],// the 2nd line
],
vec![// frame #1
vec![(0, 0, 0, 255), (255, 0, 0, 255)],// the 1st line
vec![(255, 0, 0, 255), (0, 0, 0, 255)],// the 2nd line
],
vec![// frame #2
vec![(0, 0, 0, 255), (255, 0, 0, 255)],// the 1st line
vec![(255, 255, 0, 255), (0, 255, 0, 255)],// the 2nd line
],
];
build_apng(
APNGBuilder::new("tmp/bar.png", ImageData::RGBA(data_2))
.set_def_dur((100, 1000)) // default frame duration: 100 / 1000 [sec]
.set_dur(1, (500, 1000)) // duration for frame #1: 500 / 1000 [sec]
).unwrap();
}