From 9081c157d60e56bcad2ca53ed8af15d28a4a419b Mon Sep 17 00:00:00 2001
From: Max Bradbury <max@tinybird.info>
Date: Mon, 20 Jul 2020 19:52:31 +0100
Subject: [PATCH] flip/mirror/rotate functions for tiles

---
 src/image.rs |  6 +++---
 src/tile.rs  | 26 ++++++++++++++++++++++++++
 2 files changed, 29 insertions(+), 3 deletions(-)

diff --git a/src/image.rs b/src/image.rs
index 47f3adf..3090a69 100644
--- a/src/image.rs
+++ b/src/image.rs
@@ -5,7 +5,7 @@ pub struct Image {
 
 impl Image {
     /// flip image vertically
-    fn flip(&mut self) {
+    pub fn flip(&mut self) {
         let mut pixels = Vec::with_capacity(64);
 
         for row in self.pixels.chunks(8).rev() {
@@ -18,7 +18,7 @@ impl Image {
     }
 
     /// mirror image horizontally
-    fn mirror(&mut self) {
+    pub fn mirror(&mut self) {
         let mut pixels = Vec::with_capacity(64);
 
         for row in self.pixels.chunks(8) {
@@ -31,7 +31,7 @@ impl Image {
     }
 
     /// rotate image 90° clockwise
-    fn rotate(&mut self) {
+    pub fn rotate(&mut self) {
         let mut pixels = Vec::with_capacity(64);
 
         // start from bottom-left corner, work upward in that column,
diff --git a/src/tile.rs b/src/tile.rs
index 7ad36c4..0f49ab1 100644
--- a/src/tile.rs
+++ b/src/tile.rs
@@ -40,6 +40,32 @@ impl Tile {
             "".to_string()
         }
     }
+
+    // todo refactor
+
+    pub fn flip(&mut self) {
+        self.animation_frames = self.animation_frames.iter().map(|frame: &Image| {
+            let mut image = frame.clone();
+            image.flip();
+            image
+        }).collect()
+    }
+
+    pub fn mirror(&mut self) {
+        self.animation_frames = self.animation_frames.iter().map(|frame: &Image| {
+            let mut image = frame.clone();
+            image.mirror();
+            image
+        }).collect()
+    }
+
+    pub fn rotate(&mut self) {
+        self.animation_frames = self.animation_frames.iter().map(|frame: &Image| {
+            let mut image = frame.clone();
+            image.rotate();
+            image
+        }).collect()
+    }
 }
 
 impl From<String> for Tile {