From a6f3a7b9a5640a0754e1ebf48c1545e62c2c4982 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tim=20Vis=C3=A9e?= <timvisee@gmail.com>
Date: Sat, 30 Dec 2017 02:39:21 +0100
Subject: [PATCH] Check if the input image exists

---
 src/main.rs | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/src/main.rs b/src/main.rs
index c1c15c9..a6bd7f8 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -164,7 +164,10 @@ fn load_image(path: &str, size: &(u32, u32)) -> DynamicImage {
     // Create a path instance
     let path = Path::new(&path);
 
-    // TODO: make sure the path exists.
+    // Check whether the path exists
+    if !path.is_file(path) {
+        panic!("The given path does not exist or is not a file");
+    }
 
     // Load the image
     println!("Loading image...");
@@ -371,7 +374,7 @@ impl PixClient {
     //     let size = self
     //         .write_read_command("SIZE".into())
     //         .expect("Failed to read screen size");
-
+    //
     //     // TODO: Remove this after debugging
     //     println!("Read size: {}", size);
     // }
@@ -390,13 +393,13 @@ impl PixClient {
     // fn write_read_command(&mut self, cmd: String) -> Result<String, Error> {
     //     // Write the command
     //     self.write_command(cmd);
-
+    //
     //     // Read the output
     //     let mut buffer = String::with_capacity(CMD_READ_BUFFER_SIZE);
     //     println!("Reading line...");
     //     self.stream.read_line(&mut buffer)?;
     //     println!("Done reading");
-
+    //
     //     // Return the read string
     //     Ok(buffer)
     // }