From 869866d9973a25eb79b2ecfcaf7e94ebdc616888 Mon Sep 17 00:00:00 2001
From: Chris <Caemor@users.noreply.github.com>
Date: Mon, 28 May 2018 00:18:38 +0200
Subject: [PATCH] for further testing purposes, draw_byte is still not stable

---
 examples/embedded_linux/src/main.rs | 2 ++
 src/drawing/mod.rs                  | 4 ++--
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/examples/embedded_linux/src/main.rs b/examples/embedded_linux/src/main.rs
index c5728ab..223840d 100644
--- a/examples/embedded_linux/src/main.rs
+++ b/examples/embedded_linux/src/main.rs
@@ -150,6 +150,8 @@ fn main() {
     epd4in2.delay_ms(3000);
     //pub fn draw_string(&self, buffer: &mut[u8], x0: u16, y0: u16, input: String, color: &Color) {
     graphics.draw_string(&mut buffer, 16, 16, &['h', 'e', 'l', 'l', 'o'], &Color::Black);
+    graphics.draw_char(&mut buffer, 250, 250, '#', &Color::Black);
+    graphics.draw_char(&mut buffer, 300, 16, '7', &Color::Black);
     epd4in2.display_and_transfer_frame(&buffer, None).expect("display and transfer error");
 
     epd4in2.delay_ms(3000);
diff --git a/src/drawing/mod.rs b/src/drawing/mod.rs
index 0e2eb59..8c56679 100644
--- a/src/drawing/mod.rs
+++ b/src/drawing/mod.rs
@@ -132,10 +132,10 @@ impl Graphics {
 
         match color {
             Color::Black => {
-                buffer[idx] = !filling; 
+                buffer[idx] = filling; 
             },
             Color::White => {
-                buffer[idx] = filling;
+                buffer[idx] = !filling;
             }
         }
     }