draw_helper takes IntoIterator

Update other display types

src/epd1in54/graphics.rs

@@ -25,7 +25,7 @@ impl Default for Display1in54 {
 impl Drawing<Color> for Display1in54 {
     fn draw<T>(&mut self, item_pixels: T)
     where
-        T: Iterator<Item = Pixel<Color>>,
+        T: IntoIterator<Item = Pixel<Color>>,
     {
         self.draw_helper(WIDTH, HEIGHT, item_pixels);
     }

src/epd2in9/graphics.rs

@@ -25,7 +25,7 @@ impl Default for Display2in9 {
 impl Drawing<Color> for Display2in9 {
     fn draw<T>(&mut self, item_pixels: T)
     where
-        T: Iterator<Item = Pixel<Color>>,
+        T: IntoIterator<Item = Pixel<Color>>,
     {
         self.draw_helper(WIDTH, HEIGHT, item_pixels);
     }

src/epd4in2/graphics.rs

@@ -27,7 +27,7 @@ impl Drawing<Color> for Display4in2 {
     where
         T: IntoIterator<Item = Pixel<Color>>,
     {
-        self.draw_helper(WIDTH, HEIGHT, item_pixels.into_iter());
+        self.draw_helper(WIDTH, HEIGHT, item_pixels);
     }
 }
 

src/graphics.rs

@@ -47,7 +47,7 @@ pub trait Display: Drawing<Color> {
     /// Becomes uneccesary when const_generics become stablised
     fn draw_helper<T>(&mut self, width: u32, height: u32, item_pixels: T)
     where
-        T: Iterator<Item = Pixel<Color>>,
+        T: IntoIterator<Item = Pixel<Color>>,
     {
         let rotation = self.rotation();
         let buffer = self.get_mut_buffer();
@@ -124,7 +124,7 @@ impl<'a> Drawing<Color> for VarDisplay<'a> {
     where
         T: IntoIterator<Item = Pixel<Color>>,
     {
-        self.draw_helper(self.width, self.height, item_pixels.into_iter());
+        self.draw_helper(self.width, self.height, item_pixels);
     }
 }