maurice_lib/hardware/screen/
mod.rs

1pub(crate) mod color;
2
3use crate::hardware::memory::Memory;
4use crate::hardware::screen::color::{COLOR_DEPTH, PALETTE};
5use crate::int;
6use crate::raw_image::RawImage;
7
8pub const WIDTH: usize = 320;
9pub const HEIGHT: usize = 200;
10
11pub const DEFAULT_PIXEL_SIZE: usize = 3;
12
13#[derive(Debug)]
14pub struct Screen {
15    pub(crate) mouse_clic: bool,
16    pub(crate) mouse_x: int,
17    pub(crate) mouse_y: int,
18    pixels: Vec<u8>,
19    pub(crate) led: u8,
20    pub(crate) show_led: u8,
21    ratio: usize,
22}
23
24impl Screen {
25    pub fn new(ratio: usize) -> Self {
26        Screen {
27            mouse_clic: false,
28            mouse_x: -1,
29            mouse_y: -1,
30            pixels: vec![0; WIDTH * ratio * HEIGHT * ratio * COLOR_DEPTH],
31            led: 0,
32            show_led: 0,
33            ratio,
34        }
35    }
36
37    pub(crate) fn new_size(&mut self, new_size: crate::dimension::Dimension) {
38        let x_ratio = new_size.width / WIDTH;
39        let y_ratio = new_size.height / HEIGHT;
40        self.set_ratio(std::cmp::min(x_ratio, y_ratio));
41    }
42
43    fn set_ratio(&mut self, mut ratio: usize) {
44        if ratio == 0 {
45            ratio = 1;
46        }
47        self.ratio = ratio;
48        self.pixels = vec![0; WIDTH * ratio * HEIGHT * ratio * COLOR_DEPTH];
49    }
50
51    pub(crate) fn paint(&mut self, mem: &mut Memory) {
52        self.dopaint(mem);
53        if self.show_led > 0 {
54            self.show_led -= 1;
55            let sec = if self.led != 0 {
56                [0xFF, 0x00, 0x00]
57            } else {
58                [0x00, 0x00, 0x00]
59            };
60            let mut line = Vec::with_capacity(16 * self.ratio * sec.len());
61            for _ in 0..16 * self.ratio {
62                line.extend(sec);
63            }
64            let pixels = &mut self.pixels;
65            for y in 1..17 {
66                let start = y * WIDTH * self.ratio * self.ratio * COLOR_DEPTH - line.len();
67                let slice = &mut pixels[start..start + line.len()];
68                slice.copy_from_slice(&line);
69            }
70        }
71    }
72
73    pub fn get_pixels(&mut self) -> RawImage {
74        RawImage::new_with_data(WIDTH * self.ratio, HEIGHT * self.ratio, &self.pixels)
75    }
76
77    pub(crate) fn dopaint(&mut self, mem: &mut Memory) {
78        let mut i = 0;
79
80        let pixels = &mut self.pixels;
81        for y in 0..HEIGHT {
82            let offset = y * WIDTH * self.ratio * self.ratio * COLOR_DEPTH;
83            if !mem.is_dirty(y) {
84                i += 40;
85            } else {
86                let mut x = 0;
87                for _ in 0..40 {
88                    let col = mem.COLOR(i);
89                    let c2 = (col & 0x0F) as usize;
90                    let c1 = (col >> 4) as usize;
91                    let cc2 = &PALETTE[c1];
92                    let cc1 = &PALETTE[c2];
93
94                    let pt = mem.POINT(i);
95                    const PATTERN: [int; 8] = [0x80, 0x40, 0x20, 0x10, 0x08, 0x04, 0x02, 0x01];
96                    for v in PATTERN {
97                        for _ in 0..self.ratio {
98                            let range_start = x * COLOR_DEPTH + offset;
99                            let pixel_range = range_start..range_start + COLOR_DEPTH;
100                            if (v & pt) != 0 {
101                                pixels[pixel_range].copy_from_slice(cc2);
102                            } else {
103                                pixels[pixel_range].copy_from_slice(cc1);
104                            }
105                            x += 1;
106                        }
107                    }
108                    i += 1;
109                }
110            }
111            for a in 1..self.ratio {
112                pixels.copy_within(
113                    offset..offset + WIDTH * COLOR_DEPTH * self.ratio,
114                    offset + WIDTH * self.ratio * COLOR_DEPTH * a,
115                );
116            }
117        }
118    }
119}
maurice_lib/hardware/screen/mod.rs

maurice_lib/hardware/screen/
mod.rs
