feat: interactive GUI for pixel_match

.github/workflows/rust.yml

@@ -18,6 +18,10 @@ jobs:
       - uses: actions-rs/toolchain@v1
         with:
           toolchain: stable
+      - name: Setup SDL2
+        run: |
+          cargo install cargo-vcpkg
+          cargo vcpkg -v build
       - name: Build
         run: cargo build --release --verbose
       - name: Run tests
@@ -31,6 +35,10 @@ jobs:
       - uses: actions-rs/toolchain@v1
         with:
           toolchain: stable
+      - name: Setup SDL2
+        run: |
+          cargo install cargo-vcpkg
+          cargo vcpkg -v build
       - run: rustup component add clippy
       - uses: actions-rs/clippy-check@v1
         with:

Cargo.toml

@@ -11,6 +11,7 @@ default-run = "procon2021_comp"
 anyhow = "1.0.40"
 easy-parallel = "3.1.0"
 image = "0.23.14"
+bitflags = "1.3.2"
 
 reqwest = { version = "0.11.4", features = ["blocking"], optional = true }
 dotenv = { version = "0.15.0", optional = true }
@@ -28,3 +29,17 @@ rand = "0.8.4"
 [profile.release]
 codegen-units = 1
 lto = "fat"
+debug = true
+
+[dependencies.sdl2]
+version = "0.34"
+default-features = false
+features = ["ttf", "static-link", "use-vcpkg"]
+
+[package.metadata.vcpkg]
+dependencies = ["sdl2", "sdl2-ttf"]
+git = "https://github.com/microsoft/vcpkg"
+rev = "261c458af6e3eed5d099144aff95d2b5035f656b"
+
+[package.metadata.vcpkg.target]
+x86_64-pc-windows-msvc = { triplet = "x64-windows-static-md" }

src/basis.rs

@@ -107,7 +107,7 @@ pub(crate) struct Operation {
 }
 
 /// `Rot` はある断片画像を原画像の状態から時計回りに回転させた角度を表す.
-#[derive(Debug, Clone, Copy)]
+#[derive(Debug, Clone, Copy, PartialEq, Eq)]
 pub(crate) enum Rot {
     R0,
     R90,
@@ -117,7 +117,7 @@ pub(crate) enum Rot {
 
 impl Rot {
     #[inline]
-    fn as_num(self) -> u8 {
+    pub(crate) fn as_num(self) -> u8 {
         match self {
             Rot::R0 => 0,
             Rot::R90 => 1,
@@ -127,7 +127,7 @@ impl Rot {
     }
 
     #[inline]
-    fn from_num(rot: u8) -> Self {
+    pub(crate) fn from_num(rot: u8) -> Self {
         assert!(rot <= 3, "rot must be lower than 4");
         match rot {
             0 => Rot::R0,
@@ -147,7 +147,7 @@ impl AddAssign for Rot {
 }
 
 /// `Dir` はある断片画像において辺が位置する向きを表す.
-#[derive(Debug, Clone, Copy, PartialEq)]
+#[derive(Debug, Clone, Copy, PartialEq, Eq)]
 pub(crate) enum Dir {
     North,
     East,