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avoid some conversion slice to iterator where possible

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Valentin Trophime 2024-03-06 14:23:34 +01:00 committed by Yuri Iozzelli
parent 693f0bdd8f
commit 7fa69abd72
2 changed files with 13 additions and 13 deletions
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10
src/graphics_core.rs
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@ -27,14 +27,8 @@ where
if self.bounding_box().contains(point) {
let x = point.x as u16;
let y = point.y as u16;
self.draw_raw_iter(
x,
y,
x,
y,
core::iter::once(RawU16::from(color).into_inner()),
)?;
let color = RawU16::from(color).into_inner();
self.draw_raw_slice(x, y, x, y, &[color])?;
}
}
Ok(())

16
src/lib.rs
View file

@ -28,8 +28,7 @@
use embedded_hal::delay::DelayNs;
use embedded_hal::digital::OutputPin;
use core::iter::once;
use display_interface::DataFormat::{U16BEIter, U8Iter};
use display_interface::DataFormat;
use display_interface::WriteOnlyDataCommand;
#[cfg(feature = "graphics")]
@ -198,15 +197,21 @@ where
IFACE: WriteOnlyDataCommand,
{
fn command(&mut self, cmd: Command, args: &[u8]) -> Result {
self.interface.send_commands(U8Iter(&mut once(cmd as u8)))?;
self.interface.send_data(U8Iter(&mut args.iter().cloned()))
self.interface.send_commands(DataFormat::U8(&[cmd as u8]))?;
self.interface.send_data(DataFormat::U8(args))
}
fn write_iter<I: IntoIterator<Item = u16>>(&mut self, data: I) -> Result {
self.command(Command::MemoryWrite, &[])?;
use DataFormat::U16BEIter;
self.interface.send_data(U16BEIter(&mut data.into_iter()))
}
fn write_slice(&mut self, data: &[u16]) -> Result {
self.command(Command::MemoryWrite, &[])?;
self.interface.send_data(DataFormat::U16(data))
}
fn set_window(&mut self, x0: u16, y0: u16, x1: u16, y1: u16) -> Result {
self.command(
Command::ColumnAddressSet,
@ -303,7 +308,8 @@ where
///
/// The expected format is rgb565.
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())
self.set_window(x0, y0, x1, y1)?;
self.write_slice(data)
}
/// Change the orientation of the screen