gl_capture/
image.rs

1pub mod prelude {
2    pub use super::ImageData;
3}
4
5use crate::pixel::Pixel;
6
7#[derive(Clone)]
8pub struct ImageData<P>
9where
10    P: Pixel,
11{
12    pub size: (u32, u32),
13    pub data: Vec<P>,
14}
15
16impl<P> ImageData<P>
17where
18    P: Pixel,
19{
20    pub fn new(size: (u32, u32)) -> Self {
21        let pixel_count = (size.0 as usize) * (size.1 as usize);
22        let mut data = vec![P::DEFAULT; pixel_count];
23        data.shrink_to_fit();
24
25        Self { size, data }
26    }
27
28    pub fn resize(&mut self, size: (u32, u32)) {
29        self.size = size;
30
31        let pixel_count = (size.0 as usize) * (size.1 as usize);
32        self.data.resize(pixel_count, P::DEFAULT);
33    }
34
35    pub(crate) fn flip_vertically(&mut self) {
36        let (w, h) = self.size;
37        for y in 0..(h / 2) {
38            for x in 0..w {
39                let top = (x + y * w) as usize;
40                let bottom = (x + (h - y - 1) * w) as usize;
41                self.data.swap(top, bottom);
42            }
43        }
44    }
45}
gl_capture/image.rs

gl_capture/
image.rs
