feat: put_pixel

This commit is contained in:
Kevin 2024-03-30 17:36:54 -04:00
parent 20f46098ec
commit 27ea16d171
5 changed files with 111 additions and 0 deletions

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@ -14,6 +14,10 @@ path = "examples/hwa.rs"
name = "con"
path = "examples/con.rs"
[[example]]
name = "sqr"
path = "examples/sqr.rs"
[profile.release]
opt-level = "z"
lto = "thin"

88
examples/sqr.rs Normal file
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@ -0,0 +1,88 @@
#![no_std]
#![no_main]
use alloc::vec::Vec;
use cstr_core::{cstr, CStr};
use kos::{
graphics::{display_message, Color, Dot, Size},
input::fetch_key,
system::{get_lang, Lang},
threads::{exit, fetch_event, Event},
windows::{
define_button, define_window, end_window_draw, get_button_id, put_pixel, start_window_draw,
WindowKind, WindowParams, CLOSE_BUTTON,
},
};
const HEADER: &CStr = cstr!("Hey Kolibri");
const MSG: &CStr = cstr!("Hello GSoC 2024");
const BTN: u32 = 42;
const COLORS: [(u8, u8, u8); 3] = [(255, 0, 0), (0, 255, 0), (0, 0, 255)];
#[macro_use]
extern crate alloc;
fn draw_window(c: usize) {
start_window_draw();
define_window(
Dot { x: 50, y: 50 },
Size {
width: 500,
height: 500,
},
WindowParams {
color: Color::rgb(0xff, 0xff, 0xff),
kind: WindowKind::Themed,
title: Some(HEADER),
},
);
for i in 60..300 {
for j in 60..300 {
put_pixel(Dot { x: i, y: j }, Some(Color::rgb(255, 0, 0)), None);
}
}
for i in 200..440 {
for j in 200..440 {
put_pixel(Dot { x: i, y: j }, None, Some(true));
}
}
end_window_draw();
return;
}
fn button_handler(c: &mut usize) {
let btn_id = get_button_id();
if btn_id.is_some() {
match btn_id.unwrap() {
CLOSE_BUTTON => exit(),
BTN => {
*c += 1;
draw_window(*c);
}
_ => {}
}
}
}
#[no_mangle]
fn kol_main() {
let mut c = 0;
while let Some(ev) =
fetch_event((Event::Redraw as u32) | (Event::KeyPress as u32) | (Event::BtnPress as u32))
{
match ev {
Event::Redraw => draw_window(c),
Event::KeyPress => drop(fetch_key()),
Event::BtnPress => button_handler(&mut c),
_ => break,
}
}
}

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@ -39,6 +39,12 @@ pub fn define_window(start: Dot, size: Size, params: WindowParams<'_>) {
}
}
pub fn put_pixel(pos: Dot, color: Option<Color>, invert: Option<bool>) {
let invert: u32 = invert.unwrap_or(false) as u32;
let color: u32 = color.unwrap_or(Color::rgb(255, 255, 255)).as_rgb_val();
unsafe { sys::put_pixel(pos.x, pos.y, invert << 24 | color) }
}
pub fn define_button(
start: Dot,
size: Size,

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@ -8,6 +8,10 @@ extern "C" {
#[link_name = "_define_window"]
pub fn define_window(ebx: u32, ecx: u32, edx: u32, esi: u32, edi: u32);
// 1
#[link_name = "_put_pixel"]
pub fn put_pixel(ebx: u32, ecx: u32, edx: u32);
// 2
#[link_name = "_pressed_key"]
pub fn pressed_key() -> u32;

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@ -7,6 +7,7 @@ section '.text'
public _start_window_draw
public _end_window_draw
public _define_window
public _put_pixel
public _display_message
public _wait_event
public _pressed_key
@ -50,6 +51,14 @@ _define_window:
pop edi
ret
_put_pixel:
mov eax, SF_PUT_PIXEL
mov ebx, dword [esp + 4 * 1]
mov ecx, dword [esp + 4 * 2]
mov edx, dword [esp + 4 * 3]
int 0x40
ret
_display_message:
push esi edi
mov eax, SF_DRAW_TEXT