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tile converter

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Jared Roberts
2016-03-15 05:32:11 -07:00
parent c8f4be119b
commit 3198e50822
2 changed files with 69 additions and 0 deletions
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3
Cargo.toml
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@@ -6,3 +6,6 @@ authors = ["Jared Roberts <jaredr@gmail.com>"]
[dependencies]
itertools = ">=0.4"
memmap = "~0.2"
sdl2 = "0.15"
sdl2_image = "1.0"

66
src/bin/tileview.rs Normal file
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@@ -0,0 +1,66 @@
extern crate itertools;
extern crate sdl2;
extern crate sdl2_image;
use std::env;
use std::io::Read;
use std::path::Path;
use itertools::Itertools;
use sdl2::surface::Surface;
use sdl2::pixels::PixelFormatEnum;
use sdl2_image::SaveSurface;
static EGA_PALETTE: [[u8; 4]; 16] = [[0x00u8, 0x00, 0x00, 0x00],
[0x00, 0xAA, 0x00, 0x00],
[0x00, 0x00, 0xAA, 0x00],
[0x00, 0xAA, 0xAA, 0x00],
[0x00, 0x00, 0x00, 0xAA],
[0x00, 0xAA, 0x00, 0xAA],
[0x00, 0x00, 0x55, 0xAA],
[0x00, 0xAA, 0xAA, 0xAA],
[0x00, 0x55, 0x55, 0x55],
[0x00, 0xFF, 0x55, 0x55],
[0x00, 0x55, 0xFF, 0x55],
[0x00, 0xFF, 0xFF, 0x55],
[0x00, 0x55, 0x55, 0xFF],
[0x00, 0xFF, 0x55, 0xFF],
[0x00, 0x55, 0xFF, 0xFF],
[0x00, 0xFF, 0xFF, 0xFF]];
pub fn main() {
let args: Vec<String> = env::args().collect();
let filename;
if args.len() > 1 {
filename = &args[1] as &str;
} else {
filename = "data/SHAPES.EGA";
}
let _sdl_context = ::sdl2::init().unwrap();
let _image_context = ::sdl2_image::init(::sdl2_image::INIT_PNG).unwrap();
let mut file = std::fs::File::open(Path::new(filename)).unwrap();
let mut tile_buf = [0u8; 128];
let mut surface = Surface::new(16, 16, PixelFormatEnum::RGBX8888).unwrap();
let mut i = 0;
while file.read_exact(&mut tile_buf).is_ok() {
surface.with_lock_mut(|pixel_bytes| {
pixel_bytes.iter_mut().set_from(tile_buf.iter()
.flat_map(|tile_byte| {
EGA_PALETTE[(tile_byte >> 4u8 & 0xF) as usize]
.into_iter()
.chain(EGA_PALETTE[(tile_byte & 0xF) as usize]
.into_iter())
})
.map(|x| *x));
});
let out_name = format!("out/{}.png", i);
surface.save(Path::new(&out_name)).ok();
i += 1;
}
}