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fbscreenshot mod #24

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fbscreenshot mod #24

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14 changes: 7 additions & 7 deletions fbscreenshot/src/main.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -85,18 +85,18 @@ fn fbscreenshot(output: &str, rotation: Rotation) -> Result<(), Box<dyn std::err
let line_length = width_virtual as usize * bytes_per_pixel;
let fb_size = line_length * height as usize;
let mut fb_data = vec![0u8; fb_size];
fb_file.read_exact(&mut fb_data)?;
let _ = fb_file.read(&mut fb_data)?;

let img: RgbaImage = ImageBuffer::from_fn(width, height, |x, y| {
let idx = (y as usize * line_length) + (x as usize * bytes_per_pixel);

if bpp == 32 {
let b = fb_data[idx];
let g = fb_data[idx + 1];
let r = fb_data[idx + 2];
let a = fb_data[idx + 3];
let b = fb_data.get(idx).cloned().unwrap_or(0);
let g = fb_data.get(idx + 1).cloned().unwrap_or(0);
let r = fb_data.get(idx + 2).cloned().unwrap_or(0);
let _a = fb_data.get(idx + 3).cloned().unwrap_or(255);

image::Rgba([r, g, b, a])
image::Rgba([r, g, b, 255])
} else if bpp == 16 {
let pixel = u16::from_le_bytes([fb_data[idx], fb_data[idx + 1]]);
let r = ((pixel >> 11) & 0x1F) as u8;
Expand Down Expand Up @@ -131,7 +131,7 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
match fbscreenshot(&args.output, args.rotation) {
Ok(()) => {
println!("fbscreenshot: Saved screenshot to '{}'", &args.output);
Ok(())
unsafe { nix::libc::_exit(0); }
}
Err(e) => {
eprintln!("fbscreenshot: Failed saving screenshot to '{}': {e}", &args.output);
Expand Down