Rename draw methods

- Rename `draw_iter` to `draw_raw_iter` to avoid conflict with
`embedded_graphics_core::DrawTarget::draw_iter`

- Rename `draw_raw` to `draw_raw_slice` for consistency

src/graphics.rs

@@ -31,7 +31,7 @@ where
             return Ok(());
         }
 
-        self.draw_raw(
+        self.draw_raw_slice(
             pos.x as u16,
             pos.y as u16,
             pos.x as u16,
@@ -64,7 +64,7 @@ where
         let y0 = clamp(y0, h - 1);
         let x1 = clamp(x1, w - 1);
         let y1 = clamp(y1, h - 1);
-        self.draw_iter(
+        self.draw_raw_iter(
             x0,
             y0,
             x1,
@@ -81,7 +81,7 @@ where
     fn clear(&mut self, color: Rgb565) -> Result<(), Self::Error> {
         let color = RawU16::from(color).into_inner();
 
-        self.draw_iter(
+        self.draw_raw_iter(
             0,
             0,
             (self.width - 1) as u16,

src/lib.rs

@@ -49,8 +49,7 @@ pub enum Orientation {
 }
 
 /// There are two method for drawing to the screen:
-/// [draw_raw](struct.Ili9341.html#method.draw_raw) and
-/// [draw_iter](struct.Ili9341.html#method.draw_iter).
+/// [Ili9341::draw_raw_iter] and [Ili9341::draw_raw_slice]
 ///
 /// In both cases the expected pixel format is rgb565.
 ///
@@ -219,7 +218,7 @@ where
     ///
     /// The iterator is useful to avoid wasting memory by holding a buffer for
     /// the whole screen when it is not necessary.
-    pub fn draw_iter<I: IntoIterator<Item = u16>>(
+    pub fn draw_raw_iter<I: IntoIterator<Item = u16>>(
         &mut self,
         x0: u16,
         y0: u16,
@@ -240,9 +239,8 @@ where
     /// video memory.
     ///
     /// The expected format is rgb565.
-    pub fn draw_raw(&mut self, x0: u16, y0: u16, x1: u16, y1: u16, data: &[u16]) -> Result {
-        self.set_window(x0, y0, x1, y1)?;
-        self.write_iter(data.iter().cloned())
+    pub fn draw_raw_slice(&mut self, x0: u16, y0: u16, x1: u16, y1: u16, data: &[u16]) -> Result {
+        self.draw_raw_iter(x0, y0, x1, y1, data.iter().copied())
     }
 
     /// Change the orientation of the screen