commit 8ed6bb232598dd57a35f8969e224163e9aa4521e · drubery.com/icfp2007

+2 -1

.gitignore

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       task/endo.dna

     

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       dna2rna/target/
     

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       dna2rna/target/

     

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       rna2bmp/target/

rna2bmp/.dir-locals.el

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       ((nil . ((default-directory . "~/repos/endo/rna2bmp/"))))

rna2bmp/Cargo.lock

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       # This file is automatically @generated by Cargo.

     

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       # It is not intended for manual editing.

     

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       version = 4

     

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       [[package]]

     

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       name = "rna2bmp"

     

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       version = "0.1.0"

+58

rna2bmp/src/bitmap.rs

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       // TODO: Better wrapper here

     

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       pub const SIZE: usize = 600;

     

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       pub type Bitmap = [[(u8, u8, u8, u8); SIZE]; SIZE];

     

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       pub fn new_bitmap() -> Bitmap {

     

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           [[(0, 0, 0, 0); SIZE]; SIZE]

     

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       }

     

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       fn output_u8(vec: &mut Vec<u8>, n: u8) {

     

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           vec.push(n);

     

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       }

     

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       fn output_u16(vec: &mut Vec<u8>, n: u16) {

     

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           vec.push(n as u8);

     

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           vec.push((n >> 8) as u8);

     

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       }

     

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       fn output_u32(vec: &mut Vec<u8>, n: u32) {

     

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           vec.push(n as u8);

     

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           vec.push((n >> 8) as u8);

     

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           vec.push((n >> 16) as u8);

     

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           vec.push((n >> 24) as u8);

     

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       }

     

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       pub fn to_data(bmp: &Bitmap) -> Vec<u8> {

     

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           let mut ret = Vec::new();

     

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           let row_padding = 3 - (3 * SIZE % 4);

     

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           output_u16(&mut ret, 0x4d42); // BM 

     

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           output_u32(&mut ret, (0x36 + SIZE * (3 * SIZE + row_padding)) as u32); // Size

     

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           output_u16(&mut ret, 0x0); // Reserved

     

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           output_u16(&mut ret, 0x0); // Reserved

     

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           output_u32(&mut ret, 0x36); // Offset of pixel array

     

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           output_u32(&mut ret, 0x28); // Length of DIB header

     

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           output_u32(&mut ret, SIZE as u32); // Width

     

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           output_u32(&mut ret, SIZE as u32); // Height

     

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           output_u16(&mut ret, 0x1); // Color planes

     

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           output_u16(&mut ret, 0x18); // Bits per pixel

     

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           output_u32(&mut ret, 0x0); // No pixel array compression

     

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           output_u32(&mut ret, 0x0); // Horizontal resolution

     

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           output_u32(&mut ret, 0x0); // Vertical resolution

     

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           output_u32(&mut ret, 0x0); // Colors in the palette

     

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           output_u32(&mut ret, 0x0); // All colors are important

     

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           for y in (0..SIZE).rev() {

     

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               for x in 0..SIZE {

     

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                   let (r, g, b, _) = bmp[x][y];

     

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                   output_u8(&mut ret, b);

     

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                   output_u8(&mut ret, g);

     

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                   output_u8(&mut ret, r);

     

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               }

     

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               for _ in 0..row_padding {

     

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                   output_u8(&mut ret, 0);

     

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               }

     

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           }

     

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           return ret;

     

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       }

+26 -1

rna2bmp/src/main.rs

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       mod bitmap;

     

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       mod rna_processor;

     

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       use crate::rna_processor::RnaProcessor;

     

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       use std::env;

     

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       use std::fs;

     

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       fn main() {

     

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           println!("Hello, world!");

     

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           let args: Vec<String> = env::args().collect();

     

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           if args.len() < 3 {

     

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               println!("Usage: {} <rna file> <bmp file>", args[0]);

     

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               return;

     

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           }

     

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           let contents = fs::read_to_string(&args[1]);

     

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           if let Ok(rna) = contents {

     

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               let mut processor = RnaProcessor::new();

     

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               processor.process_rna(rna.lines().collect());

     

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               if let Some(bmp) = processor.bitmap() {

     

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                   if fs::write(&args[2], bitmap::to_data(bmp)).is_err() {

     

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                       println!("Could not write to {}", args[2]);

     

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                   }

     

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               }

     

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           } else {

     

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               println!("Could not open {}", args[1]);

     

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               return;

     

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           }

     

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       }

+227

rna2bmp/src/rna_processor.rs

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       use crate::bitmap::Bitmap;

     

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       use crate::bitmap::SIZE;

     

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       use crate::bitmap::new_bitmap;

     

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       use std::cmp::max;

     

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       struct Bucket {

     

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           total_r: usize,

     

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           total_g: usize,

     

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           total_b: usize,

     

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           total_a: usize,

     

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           count_rgb: usize,

     

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           count_a: usize,

     

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       }

     

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       pub struct RnaProcessor {

     

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           bucket: Bucket,

     

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           position: (usize, usize),

     

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           mark: (usize, usize),

     

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           dir: (usize, usize),

     

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           bitmaps: Vec<Bitmap>,

     

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       }

     

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       impl Bucket {

     

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           fn new() -> Bucket {

     

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               Bucket {

     

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                   total_r: 0,

     

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                   total_g: 0,

     

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                   total_b: 0,

     

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                   total_a: 0,

     

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                   count_rgb: 0,

     

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                   count_a: 0,

     

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               }

     

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           }

     

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           fn current_pixel(&self) -> (u8, u8, u8, u8) {

     

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               let r = if self.count_rgb == 0 {

     

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                   0

     

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               } else {

     

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                   self.total_r / self.count_rgb

     

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               };

     

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               let g = if self.count_rgb == 0 {

     

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                   0

     

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               } else {

     

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                   self.total_g / self.count_rgb

     

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               };

     

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               let b = if self.count_rgb == 0 {

     

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                   0

     

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               } else {

     

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                   self.total_b / self.count_rgb

     

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               };

     

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               let a = if self.count_a == 0 {

     

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                   255

     

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               } else {

     

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                   self.total_a / self.count_a

     

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               };

     

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               return (

     

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                   (r * a / 255) as u8,

     

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                   (r * g / 255) as u8,

     

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                   (r * b / 255) as u8,

     

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                   a as u8,

     

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               );

     

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           }

     

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           fn add_rgb(&mut self, r: usize, g: usize, b: usize) {

     

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               self.total_r += r;

     

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               self.total_g += g;

     

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               self.total_b += b;

     

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               self.count_rgb += 1;

     

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           }

     

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           fn add_a(&mut self, a: usize) {

     

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               self.total_a += a;

     

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               self.count_a += 1;

     

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           }

     

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           fn clear(&mut self) {

     

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               self.total_r = 0;

     

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               self.total_g = 0;

     

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               self.total_b = 0;

     

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               self.total_a = 0;

     

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               self.count_rgb = 0;

     

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               self.count_a = 0;

     

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           }

     

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       }

     

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       impl RnaProcessor {

     

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           pub fn new() -> RnaProcessor {

     

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               RnaProcessor {

     

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                   bucket: Bucket::new(),

     

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                   position: (0, 0),

     

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                   mark: (0, 0),

     

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                   dir: (1, 0),

     

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                   bitmaps: Vec::new(),

     

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               }

     

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           }

     

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           fn set_pixel(&mut self, x: usize, y: usize) {

     

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               if let Some(b) = self.bitmaps.last_mut() {

     

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                   b[x][y] = self.bucket.current_pixel();

     

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               }

     

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           }

     

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           pub fn process_rna(&mut self, rna: Vec<&str>) {

     

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               for r in rna {

     

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                   if r == "PIPIIIC" {

     

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                       self.bucket.add_rgb(0, 0, 0);

     

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                   } else if r == "PIPIIIP" {

     

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                       self.bucket.add_rgb(255, 0, 0);

     

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                   } else if r == "PIPIICC" {

     

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                       self.bucket.add_rgb(0, 255, 0);

     

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                   } else if r == "PIPIICF" {

     

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                       self.bucket.add_rgb(255, 255, 0);

     

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                   } else if r == "PIPIICP" {

     

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                       self.bucket.add_rgb(0, 0, 255);

     

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                   } else if r == "PIPIIFC" {

     

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                       self.bucket.add_rgb(255, 0, 255);

     

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                   } else if r == "PIPIIFF" {

     

       119
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                       self.bucket.add_rgb(0, 255, 255);

     

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       +
                   } else if r == "PIPIIPC" {

     

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                       self.bucket.add_rgb(255, 255, 255);

     

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                   } else if r == "PIPIIPF" {

     

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                       self.bucket.add_a(0);

     

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                   } else if r == "PIPIIPP" {

     

       125
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                       self.bucket.add_a(255);

     

       126
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       +
                   } else if r == "PIIPICP" {

     

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                       self.bucket.clear();

     

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       +
                   } else if r == "PIIIIIP" {

     

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                       let (x, y) = self.position;

     

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       +
                       let (dx, dy) = self.dir;

     

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       +
                       self.position = ((x + dx) % SIZE, (y + dy) % SIZE);

     

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       +
                   } else if r == "PCCCCCP" {

     

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       +
                       let (dx, dy) = self.dir;

     

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       +
                       self.dir = (dy, SIZE - dx);

     

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       +
                   } else if r == "PFFFFFP" {

     

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       +
                       let (dx, dy) = self.dir;

     

       137
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       +
                       self.dir = (SIZE - dy, dx);

     

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       +
                   } else if r == "PCCIFFP" {

     

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       +
                       self.mark = self.position;

     

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       +
                   } else if r == "PFFICCP" {

     

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       +
                       let x0 = self.position.0 as isize;

     

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       +
                       let y0 = self.position.1 as isize;

     

       143
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       +
                       let x1 = self.mark.0 as isize;

     

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       +
                       let y1 = self.mark.1 as isize;

     

       145
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       +
                       let dx = x1 - x0;

     

       146
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       +
                       let dy = y1 - y0;

     

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       +
                       let d = max(dx.abs(), dy.abs());

     

       148
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       +
                       let c = if dx * dy <= 0 { 1 } else { 0 };

     

       149
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       +
                       let mut x = x0 * d + (d - c) / 2;

     

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       +
                       let mut y = x0 * d + (d - c) / 2;

     

       151
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                       for _ in 0..d {

     

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       +
                           self.set_pixel((x / d) as usize, (y / d) as usize);

     

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       +
                           x += dx;

     

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                           y += dy;

     

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       +
                       }

     

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                       self.set_pixel(x1 as usize, y1 as usize);

     

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       +
                   } else if r == "PIIPIIP" {

     

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       +
                       let (x, y) = self.position;

     

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       +
                       if let Some(b) = self.bitmaps.last_mut() {

     

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       +
                           let old = b[x][y];

     

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       +
                           let new = self.bucket.current_pixel();

     

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       +
                           let mut to_fill = Vec::new();

     

       163
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                           to_fill.push(self.position);

     

       164
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                           while let Some((x, y)) = to_fill.pop() {

     

       165
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       +
                               if b[x][y] == old {

     

       166
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       +
                                   b[x][y] = new;

     

       167
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       +
                                   if x > 0 {

     

       168
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       +
                                       to_fill.push((x - 1, y));

     

       169
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       +
                                   }

     

       170
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       +
                                   if x < SIZE - 1 {

     

       171
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       +
                                       to_fill.push((x + 1, y));

     

       172
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       +
                                   }

     

       173
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       +
                                   if y > 0 {

     

       174
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       +
                                       to_fill.push((x, y - 1));

     

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       +
                                   }

     

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       +
                                   if y < SIZE - 1 {

     

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       +
                                       to_fill.push((x, y + 1));

     

       178
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       +
                                   }

     

       179
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       +
                               }

     

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       +
                           }

     

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       +
                       }

     

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       +
                   } else if r == "PCCPFFP" {

     

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       +
                       if self.bitmaps.len() < 10 {

     

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       +
                           self.bitmaps.push(new_bitmap());

     

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       +
                       }

     

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       +
                   } else if r == "PFFPCCP" {

     

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       +
                       if self.bitmaps.len() >= 2 {

     

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       +
                           let bmp0 = self.bitmaps[self.bitmaps.len() - 1];

     

       189
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       +
                           let mut bmp1 = self.bitmaps[self.bitmaps.len() - 2];

     

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                           for x in 0..SIZE {

     

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       +
                               for y in 0..SIZE {

     

       192
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       +
                                   let (r0, b0, g0, a0) = bmp0[x][y];

     

       193
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       +
                                   let (r1, b1, g1, a1) = bmp1[x][y];

     

       194
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       +
                                   let r = r0 + (((r1 as usize) * (255 - a0 as usize) / 255) as u8);

     

       195
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       +
                                   let g = g0 + (((g1 as usize) * (255 - a0 as usize) / 255) as u8);

     

       196
       196
       +
                                   let b = b0 + (((b1 as usize) * (255 - a0 as usize) / 255) as u8);

     

       197
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       +
                                   let a = a0 + (((a1 as usize) * (255 - a0 as usize) / 255) as u8);

     

       198
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       +
                                   bmp1[x][y] = (r, g, b, a);

     

       199
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       +
                               }

     

       200
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       +
                           }

     

       201
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       +
                           self.bitmaps.pop();

     

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       +
                       }

     

       203
       203
       +
                   } else if r == "PFFICCF" {

     

       204
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       +
                       if self.bitmaps.len() >= 2 {

     

       205
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       +
                           let bmp0 = self.bitmaps[self.bitmaps.len() - 1];

     

       206
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       +
                           let mut bmp1 = self.bitmaps[self.bitmaps.len() - 2];

     

       207
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       +
                           for x in 0..SIZE {

     

       208
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       +
                               for y in 0..SIZE {

     

       209
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       +
                                   let (_, _, _, a0) = bmp0[x][y];

     

       210
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       +
                                   let (r1, b1, g1, a1) = bmp1[x][y];

     

       211
       211
       +
                                   let r = ((r1 as usize) * (a0 as usize) / 255) as u8;

     

       212
       212
       +
                                   let g = ((g1 as usize) * (a0 as usize) / 255) as u8;

     

       213
       213
       +
                                   let b = ((b1 as usize) * (a0 as usize) / 255) as u8;

     

       214
       214
       +
                                   let a = ((a1 as usize) * (a0 as usize) / 255) as u8;

     

       215
       215
       +
                                   bmp1[x][y] = (r, g, b, a);

     

       216
       216
       +
                               }

     

       217
       217
       +
                           }

     

       218
       218
       +
                           self.bitmaps.pop();

     

       219
       219
       +
                       }

     

       220
       220
       +
                   }

     

       221
       221
       +
               }

     

       222
       222
       +
           }

     

       223
       223
       +
       

     

       224
       224
       +
           pub fn bitmap(&self) -> Option<&Bitmap> {

     

       225
       225
       +
               self.bitmaps.last()

     

       226
       226
       +
           }

     

       227
       227
       +
       }