vmann
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pixlers
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use kame turtle

development
Thomas Lindner 2023-12-30 04:03:24 +01:00
parent 019d87ba62
commit 20c591769c
3 changed files with 18 additions and 3 deletions
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ipv4_nein_danke.png Normal file
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Width:  |  Height:  |  Size: 28 KiB

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kame-mosaic.apng Normal file
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21
src/main.rs
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@ -8,7 +8,7 @@ use std::net::TcpStream;
use std::thread;
fn main() -> Result<(), Box<dyn Error>> {
let decoder = Decoder::new(File::open("nopslide.png")?);
let decoder = Decoder::new(File::open("kame-mosaic.apng")?);
let mut reader = decoder.read_info()?;
let mut pixelbuf = vec![0; reader.output_buffer_size()];
let info = reader.next_frame(&mut pixelbuf)?;
@ -28,6 +28,7 @@ fn main() -> Result<(), Box<dyn Error>> {
// XXX sscanf does not like \n after numbers ... O_o
// XXX sscanf returns Result<(), Box<dyn Error>> which is not + Send + Sync
let size = sscanf!(&buf[..buf.len() - 1], "SIZE {u32} {u32}").unwrap();
println!("SIZE {} {}", size.0, size.1);
let mut rng = thread_rng();
loop {
@ -35,9 +36,23 @@ fn main() -> Result<(), Box<dyn Error>> {
rng.gen_range(0..size.0 - info.width),
rng.gen_range(0..size.1 - info.height),
);
for x in 0..info.width {
for y in 0..info.height {
for y in 0..info.height {
for x in 0..info.width {
match info.color_type {
ColorType::Rgba => {
let offset = ((x + y * info.width) * 4) as usize;
if pixelbuf[offset + 3] != 0 {
write!(
writer,
"PX {} {} {:02x}{:02x}{:02x}\n",
x + pos.0,
y + pos.1,
pixelbuf[offset],
pixelbuf[offset + 1],
pixelbuf[offset + 2]
)?;
}
}
ColorType::GrayscaleAlpha => {
let offset = ((x + y * info.width) * 2) as usize;
if pixelbuf[offset + 1] != 0 {