migrate minimum set of drivers to make tests pass

src/epd2in9/graphics.rs

@@ -1,7 +1,7 @@
 use crate::epd2in9::{DEFAULT_BACKGROUND_COLOR, HEIGHT, WIDTH};
 use crate::graphics::{Display, DisplayRotation};
 use embedded_graphics::pixelcolor::BinaryColor;
-use embedded_graphics::prelude::*;
+use embedded_graphics_core::prelude::*;
 
 /// Display with Fullsize buffer for use with the 2in9 EPD
 ///
@@ -22,13 +22,21 @@ impl Default for Display2in9 {
     }
 }
 
-impl DrawTarget<BinaryColor> for Display2in9 {
+impl DrawTarget for Display2in9 {
+    type Color = BinaryColor;
     type Error = core::convert::Infallible;
 
-    fn draw_pixel(&mut self, pixel: Pixel<BinaryColor>) -> Result<(), Self::Error> {
-        self.draw_helper(WIDTH, HEIGHT, pixel)
+    fn draw_iter<I>(&mut self, pixels: I) -> Result<(), Self::Error>
+    where
+        I: IntoIterator<Item = Pixel<Self::Color>>,
+    {
+        for pixel in pixels {
+            self.draw_helper(WIDTH, HEIGHT, pixel)?;
+        }
+        Ok(())
     }
-
+}
+impl OriginDimensions for Display2in9 {
     fn size(&self) -> Size {
         Size::new(WIDTH, HEIGHT)
     }

src/epd2in9/mod.rs

@@ -7,7 +7,7 @@
 //!# use embedded_hal_mock::*;
 //!# fn main() -> Result<(), MockError> {
 //!use embedded_graphics::{
-//!    pixelcolor::BinaryColor::On as Black, prelude::*, primitives::Line, style::PrimitiveStyle,
+//!    pixelcolor::BinaryColor::On as Black, prelude::*, primitives::{Line, PrimitiveStyleBuilder},
 //!};
 //!use epd_waveshare::{epd2in9::*, prelude::*};
 //!#
@@ -27,8 +27,12 @@
 //!let mut display = Display2in9::default();
 //!
 //!// Use embedded graphics for drawing a line
+//!let style = PrimitiveStyleBuilder::new()
+//!  .stroke_color(Black)
+//!  .stroke_width(1)
+//!  .build();
 //!let _ = Line::new(Point::new(0, 120), Point::new(0, 295))
-//!    .into_styled(PrimitiveStyle::with_stroke(Black, 1))
+//!    .into_styled(style)
 //!    .draw(&mut display);
 //!
 //!    // Display updated frame