From a34bd81290b5070801033c1b2c013ebafc34cefa Mon Sep 17 00:00:00 2001
From: Valentin Popov <valentin@popov.link>
Date: Sun, 17 Sep 2023 03:22:54 +0400
Subject: Первая версия декоратора текстур
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---
 texture-decoder/Cargo.toml  |  8 ++++++++
 texture-decoder/src/main.rs | 41 +++++++++++++++++++++++++++++++++++++++++
 2 files changed, 49 insertions(+)
 create mode 100644 texture-decoder/Cargo.toml
 create mode 100644 texture-decoder/src/main.rs

(limited to 'texture-decoder')

diff --git a/texture-decoder/Cargo.toml b/texture-decoder/Cargo.toml
new file mode 100644
index 0000000..6694196
--- /dev/null
+++ b/texture-decoder/Cargo.toml
@@ -0,0 +1,8 @@
+[package]
+name = "texture-decoder"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+byteorder = "1.4.3"
+image = "0.24.7"
diff --git a/texture-decoder/src/main.rs b/texture-decoder/src/main.rs
new file mode 100644
index 0000000..d12d71a
--- /dev/null
+++ b/texture-decoder/src/main.rs
@@ -0,0 +1,41 @@
+use std::io::Read;
+
+use byteorder::ReadBytesExt;
+use image::Rgba;
+
+fn decode_texture(file_path: &str, output_path: &str) -> Result<(), std::io::Error> {
+    // Читаем файл
+    let mut file = std::fs::File::open(file_path)?;
+    let mut buffer: Vec<u8> = Vec::new();
+    file.read_to_end(&mut buffer)?;
+
+    // Декодируем метаданные
+    let mut cursor = std::io::Cursor::new(&buffer[4..]);
+    let img_width = cursor.read_u32::<byteorder::LittleEndian>()?;
+    let img_height = cursor.read_u32::<byteorder::LittleEndian>()?;
+
+    // Пропустить оставшиеся байты метаданных
+    cursor.set_position(20);
+
+    // Извлекаем данные изображения
+    let image_data = buffer[cursor.position() as usize..].to_vec();
+    let img =
+        image::ImageBuffer::<Rgba<u8>, _>::from_raw(img_width, img_height, image_data.to_vec())
+            .expect("Failed to decode image");
+
+    // Сохраняем изображение
+    img.save(output_path).unwrap();
+
+    Ok(())
+}
+
+fn main() {
+    let args: Vec<String> = std::env::args().collect();
+
+    let input = &args[1];
+    let output = &args[2];
+
+    if let Err(err) = decode_texture(&input, &output) {
+        eprintln!("Error: {}", err)
+    }
+}
-- 
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