sawyer/picocalc-os-rs
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sawyer bristol
2025-11-04 13:43:48 -07:00
parent dd26e3528b
commit 375b5d1d47
12 changed files with 318 additions and 69 deletions
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63
user-apps/gallery/src/main.rs
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@@ -5,12 +5,12 @@
extern crate alloc;
use abi::{
display::{Display, SCREEN_HEIGHT, SCREEN_WIDTH},
fs::{list_dir, read_file},
fs::{Entries, list_dir, read_file},
get_key,
keyboard::{KeyCode, KeyState},
print,
};
use alloc::{format, string::ToString, vec};
use alloc::{format, vec};
use core::panic::PanicInfo;
use embedded_graphics::{
Drawable, image::Image, mono_font::MonoTextStyle, mono_font::ascii::FONT_6X10,
@@ -34,7 +34,6 @@ pub fn main() {
let mut bmp_buf = vec![0_u8; 100_000];
let mut display = Display;
// Grid parameters
let grid_cols = 3;
let grid_rows = 3;
let cell_width = SCREEN_WIDTH as i32 / grid_cols;
@@ -42,50 +41,44 @@ pub fn main() {
let mut images_drawn = 0;
let mut files = [const { None }; 18];
let files_num = list_dir("/images", &mut files);
let mut entries = Entries::new();
let files_num = list_dir("/images", &mut entries);
for file in &files[2..files_num] {
for file in &entries.entries()[2..files_num] {
if images_drawn >= grid_cols * grid_rows {
break; // only draw 3x3
}
if let Some(f) = file {
print!("file: {}", f.name);
if f.name.extension() == b"bmp" || f.name.extension() == b"BMP" {
let file = format!("/images/{}", f.name);
print!("file: {}", file);
if file.extension().unwrap_or("") == "bmp" || file.extension().unwrap_or("") == "BMP" {
let file_path = format!("/images/{}", file);
let read = read_file(&file, 0, &mut &mut bmp_buf[..]);
if read > 0 {
let bmp = Bmp::from_slice(&bmp_buf).expect("failed to parse bmp");
let read = read_file(&file_path, 0, &mut &mut bmp_buf[..]);
if read > 0 {
let bmp = Bmp::from_slice(&bmp_buf).expect("failed to parse bmp");
let row = images_drawn / grid_cols;
let col = images_drawn % grid_cols;
let cell_x = col * cell_width;
let cell_y = row * cell_height;
let row = images_drawn / grid_cols;
let col = images_drawn % grid_cols;
let cell_x = col * cell_width;
let cell_y = row * cell_height;
// Center image inside cell
let bmp_w = bmp.size().width as i32;
let bmp_h = bmp.size().height as i32;
let x = cell_x + (cell_width - bmp_w) / 2;
let y = cell_y + 5; // 5px top margin
// Center image inside cell
let bmp_w = bmp.size().width as i32;
let bmp_h = bmp.size().height as i32;
let x = cell_x + (cell_width - bmp_w) / 2;
let y = cell_y + 5; // 5px top margin
Image::new(&bmp, Point::new(x, y))
.draw(&mut display)
.unwrap();
let text_style = MonoTextStyle::new(&FONT_6X10, Rgb565::WHITE);
let text_y = y + bmp_h + 2; // 2px gap under image
Text::new(
f.name.to_string().as_str(),
Point::new(cell_x + 2, text_y),
text_style,
)
Image::new(&bmp, Point::new(x, y))
.draw(&mut display)
.unwrap();
images_drawn += 1;
}
let text_style = MonoTextStyle::new(&FONT_6X10, Rgb565::WHITE);
let text_y = y + bmp_h + 2; // 2px gap under image
Text::new(&file.base(), Point::new(cell_x + 2, text_y), text_style)
.draw(&mut display)
.unwrap();
images_drawn += 1;
}
}
}