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Tweak api a little bit

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This commit is contained in:
Sofia 2025-09-13 14:05:08 +03:00
parent 6a999e3db8
commit 0ad742df48
2 changed files with 11 additions and 29 deletions
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12
src/main.rs
View File

@ -20,7 +20,7 @@ use panic_halt as _;
use crate::{
display::{Display, Position},
peripherals::Button,
qoi::{Image, LARGE_CAT_UNSAFE, PRESS_BTN_UNSAFE, RICK_UNSAFE, XP_DESKTOP_UNSAFE, draw_image},
qoi::{Image, LARGE_CAT_UNSAFE, PRESS_BTN_UNSAFE, draw_image},
};
mod display;
@ -78,16 +78,12 @@ fn main() -> ! {
let mut button = Button::from(pins.pd5.into_pull_up_input());
let mut idx = 0;
let images = [
Image::from(addr_of!(LARGE_CAT_UNSAFE)),
Image::from(addr_of!(XP_DESKTOP_UNSAFE)),
Image::from(addr_of!(RICK_UNSAFE)),
];
let images = [Image::from(addr_of!(LARGE_CAT_UNSAFE))];
let len = images.len();
match draw_image(
&mut serial,
&Image::from(addr_of!(PRESS_BTN_UNSAFE)),
&mut Image::from(addr_of!(PRESS_BTN_UNSAFE)).iter(),
&mut display,
Position { x: 0, y: 0 },
) {
@ -99,7 +95,7 @@ fn main() -> ! {
if button.poll() {
match draw_image(
&mut serial,
&images[idx],
&mut images[idx].iter(),
&mut display,
Position { x: 0, y: 0 },
) {

28
src/qoi.rs
View File

@ -18,10 +18,6 @@ use crate::{
#[unsafe(link_section = ".progmem.data")]
pub static LARGE_CAT_UNSAFE: [u8; 8765] = *include_bytes!("../images/cat.qoi");
#[unsafe(link_section = ".progmem.data")]
pub static XP_DESKTOP_UNSAFE: [u8; 7360] = *include_bytes!("../images/xp_desktop.qoi");
#[unsafe(link_section = ".progmem.data")]
pub static RICK_UNSAFE: [u8; 2391] = *include_bytes!("../images/rick.qoi");
#[unsafe(link_section = ".progmem.data")]
pub static PRESS_BTN_UNSAFE: [u8; 1225] = *include_bytes!("../images/press_btn.qoi");
pub struct Image {
@ -81,11 +77,10 @@ pub enum QoiErr {
pub fn draw_image<T: DelayNs, DCPin: PinOps, RSTPin: PinOps>(
serial: &mut Usart<USART0, Pin<mode::Input, PD0>, Pin<mode::Output, PD1>, CoreClock>,
image: &Image,
iter: &mut dyn Iterator<Item = u8>,
display: &mut Display<T, DCPin, RSTPin>,
position: Position,
) -> Result<(), QoiErr> {
let mut iter = image.iter();
if let (Some(113), Some(111), Some(105), Some(102)) =
(iter.next(), iter.next(), iter.next(), iter.next())
{
@ -93,20 +88,11 @@ pub fn draw_image<T: DelayNs, DCPin: PinOps, RSTPin: PinOps>(
iter.next().ok_or(QoiErr::UnexpectedEOF)
}
let width = u32::from_be_bytes([
next(&mut iter)?,
next(&mut iter)?,
next(&mut iter)?,
next(&mut iter)?,
]) as u16;
let height = u32::from_be_bytes([
next(&mut iter)?,
next(&mut iter)?,
next(&mut iter)?,
next(&mut iter)?,
]) as u16;
let _channels = next(&mut iter)?;
let _colorspace = next(&mut iter)?;
let width = u32::from_be_bytes([next(iter)?, next(iter)?, next(iter)?, next(iter)?]) as u16;
let height =
u32::from_be_bytes([next(iter)?, next(iter)?, next(iter)?, next(iter)?]) as u16;
let _channels = next(iter)?;
let _colorspace = next(iter)?;
ufmt::uwriteln!(serial, "Successfully read QOI header").unwrap();
@ -120,7 +106,7 @@ pub fn draw_image<T: DelayNs, DCPin: PinOps, RSTPin: PinOps>(
},
);
let qoi_iter = QoiIterator::from(&mut iter, width * height);
let qoi_iter = QoiIterator::from(iter, width * height);
let scale_iter = ScaleIterator {
qoi: qoi_iter,
last_row: [Rgb565::yellow(); 120],