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#[macro_use] extern crate serde_derive;
#[macro_use] extern crate lazy_static;
extern crate rawloader;
extern crate image;
mod buffer;
use self::buffer::*;
mod hasher;
mod ops;
mod opbasics;
mod pipeline;
pub use self::pipeline::*;
pub use self::ops::*;
use std::sync::Arc;
use std::path::Path;
fn simple_decode_full<P: AsRef<Path>>(img: P, maxwidth: usize, maxheight: usize, linear: bool) -> Result<OpBuffer, String> {
let img = try!(rawloader::decode(img));
let buf = {
let mut pipeline = Pipeline::new(&img, maxwidth, maxheight, linear);
pipeline.run()
};
Ok(Arc::try_unwrap(buf).unwrap())
}
#[derive(Debug, Clone)]
pub struct SRGBImage {
pub width: usize,
pub height: usize,
pub data: Vec<u8>,
}
pub fn simple_decode<P: AsRef<Path>>(img: P, maxwidth: usize, maxheight: usize) -> Result<OpBuffer, String> {
simple_decode_full(img, maxwidth, maxheight, false)
}
pub fn simple_decode_linear<P: AsRef<Path>>(img: P, maxwidth: usize, maxheight: usize) -> Result<OpBuffer, String> {
simple_decode_full(img, maxwidth, maxheight, true)
}
pub fn simple_decode_8bit<P: AsRef<Path>>(img: P, maxwidth: usize, maxheight: usize) -> Result<SRGBImage, String> {
if let Ok(buffer) = simple_decode(&img, maxwidth, maxheight) {
let mut image = vec![0 as u8; buffer.width*buffer.height*3];
for (o, i) in image.chunks_mut(1).zip(buffer.data.iter()) {
o[0] = (i*255.0).max(0.0).min(255.0) as u8;
}
return Ok(SRGBImage{
width: buffer.width,
height: buffer.height,
data: image,
})
}
if let Ok(img) = image::open(&img) {
let rgb = img.to_rgb();
let width = rgb.width() as usize;
let height = rgb.height() as usize;
return Ok(SRGBImage {
data: rgb.into_raw(),
width: width,
height: height,
})
}
Err("Don't know how to load this image".to_string())
}