From a4a142dc5346e11a485ebc9790b70f73d98268ed Mon Sep 17 00:00:00 2001
From: Peter Majchrak <petoknm@gmail.com>
Date: Tue, 4 Sep 2018 23:04:17 +0200
Subject: [PATCH 1/2] Add read_frame

---
 src/lib.rs | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/lib.rs b/src/lib.rs
index 8ae0106..ade73da 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -9,7 +9,7 @@ use libc::ioctl;
 use std::error::Error;
 use std::fmt;
 use std::fs::{File, OpenOptions};
-use std::io::Write;
+use std::io::{Read, Write};
 use std::os::unix::io::AsRawFd;
 use std::path::Path;
 
@@ -201,6 +201,13 @@ impl Framebuffer {
             .unwrap();
     }
 
+    ///Reads a frame from the Framebuffer.
+    pub fn read_frame(&mut self, frame: &mut Vec<u8>) {
+        unsafe { self.frame.as_slice() }
+            .read_to_end(frame)
+            .unwrap();
+    }
+
     ///Creates a FixScreeninfo struct and fills it using ioctl.
     pub fn get_fix_screeninfo(device: &File) -> Result<FixScreeninfo, FramebufferError> {
         let mut info: FixScreeninfo = Default::default();

From fb04219ae3815a3df94d7920fa4b481c229f7dbf Mon Sep 17 00:00:00 2001
From: Peter Majchrak <pm@lix.com>
Date: Wed, 5 Sep 2018 13:30:36 +0200
Subject: [PATCH 2/2] Impl Index for Framebuffer

---
 src/lib.rs | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/src/lib.rs b/src/lib.rs
index ade73da..6cd83fe 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -12,6 +12,7 @@ use std::fs::{File, OpenOptions};
 use std::io::{Read, Write};
 use std::os::unix::io::AsRawFd;
 use std::path::Path;
+use std::ops::Index;
 
 use memmap::{Mmap, Protection};
 
@@ -202,7 +203,7 @@ impl Framebuffer {
     }
 
     ///Reads a frame from the Framebuffer.
-    pub fn read_frame(&mut self, frame: &mut Vec<u8>) {
+    pub fn read_frame(&self, frame: &mut Vec<u8>) {
         unsafe { self.frame.as_slice() }
             .read_to_end(frame)
             .unwrap();
@@ -259,3 +260,12 @@ impl Framebuffer {
         }
     }
 }
+
+impl Index<usize> for Framebuffer {
+    type Output = u8;
+
+    fn index(&self, index: usize) -> &u8 {
+        unsafe { self.frame.as_slice() }
+            .index(index)
+    }
+}