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Support black and white drawing using e_g 0.4.4

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This commit is contained in:
James Waples 2018-10-25 19:38:22 +01:00
parent 12649e377a
commit 303b1da769
1 changed files with 12 additions and 7 deletions
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19
src/lib.rs
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@ -276,13 +276,13 @@ where
} }
} }
#[cfg(feature = "graphics")]
use embedded_graphics::Drawing;
#[cfg(feature = "graphics")] #[cfg(feature = "graphics")]
use embedded_graphics::drawable; use embedded_graphics::drawable;
#[cfg(feature = "graphics")]
use embedded_graphics::{drawable::Pixel, pixelcolor::PixelColorU16, Drawing};
#[cfg(feature = "graphics")] #[cfg(feature = "graphics")]
impl<E, SPI, CS, DC, RESET> Drawing for Ili9341<SPI, CS, DC, RESET> impl<E, SPI, CS, DC, RESET> Drawing<PixelColorU16> for Ili9341<SPI, CS, DC, RESET>
where where
SPI: spi::Transfer<u8, Error = E> + spi::Write<u8, Error = E>, SPI: spi::Transfer<u8, Error = E> + spi::Write<u8, Error = E>,
CS: OutputPin, CS: OutputPin,
@ -292,16 +292,21 @@ where
{ {
fn draw<T>(&mut self, item_pixels: T) fn draw<T>(&mut self, item_pixels: T)
where where
T: Iterator<Item = drawable::Pixel>, T: Iterator<Item = drawable::Pixel<PixelColorU16>>,
{ {
for (pos, color) in item_pixels { for Pixel(pos, color) in item_pixels {
self.draw_raw( self.draw_raw(
pos.0 as u16, pos.0 as u16,
pos.1 as u16, pos.1 as u16,
pos.0 as u16, pos.0 as u16,
pos.1 as u16, pos.1 as u16,
if color == 0 { &[0xff,0xff] } else { &[0,0] }, if color == PixelColorU16(0) {
).expect("Failed to communicate with device"); &[0xff, 0xff]
} else {
&[0, 0]
},
)
.expect("Failed to communicate with device");
} }
} }
} }