Added support for embedded-graphics

src/embedded_graphics_impl.rs

@@ -0,0 +1,38 @@
+use embedded_graphics::{
+    pixelcolor::BinaryColor,
+    prelude::{DrawTarget, OriginDimensions, Size},
+};
+impl<PartialWindow: crate::ApplyPartialWindow> OriginDimensions
+    for crate::DoubleFrame<PartialWindow>
+{
+    fn size(&self) -> Size {
+        Size {
+            width: crate::EPD_WIDTH as u32,
+            height: crate::EPD_HEIGHT as u32,
+        }
+    }
+}
+
+impl<PartialWindow: crate::ApplyPartialWindow> DrawTarget for crate::DoubleFrame<PartialWindow> {
+    type Color = BinaryColor;
+
+    type Error = core::convert::Infallible;
+
+    fn draw_iter<I>(&mut self, pixels: I) -> Result<(), Self::Error>
+    where
+        I: IntoIterator<Item = embedded_graphics::Pixel<Self::Color>>,
+    {
+        for pixel in pixels {
+            self.draw_pixel(pixel.0.x as u16, pixel.0.y as u16, convert_colour(pixel.1));
+        }
+
+        Ok(())
+    }
+}
+
+fn convert_colour(colour: BinaryColor) -> crate::PixelColour {
+    match colour {
+        BinaryColor::Off => crate::PixelColour::Black,
+        BinaryColor::On => crate::PixelColour::White,
+    }
+}

src/lib.rs

@@ -5,6 +5,9 @@
 //! **Note**: 9-bit SPI mode (where the data/command is designated with an extra bit for each byte)
 //! is not supported by this driver. Only the mode with a dedicated data/command line is supported.
 
+#[cfg(feature = "embedded-graphics")]
+mod embedded_graphics_impl;
+
 use embedded_hal::{
     delay::DelayNs,
     digital::{InputPin, OutputPin},