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use pixman::FormatCode;
const WIDTH: usize = 200;
const HEIGHT: usize = 200;
pub fn main() {
let mut bits = [0u32; WIDTH * HEIGHT];
pixman::fill(
&mut bits,
WIDTH as u32,
FormatCode::bpp(FormatCode::A8R8G8B8),
0,
0,
WIDTH as u32,
HEIGHT as u32,
0xff000000, // ABGR
)
.unwrap();
let bits =
unsafe { std::slice::from_raw_parts_mut(&mut bits as *mut _ as *mut _, bits.len() * 4) };
let image_buffer =
image::ImageBuffer::<image::Rgba<u8>, _>::from_raw(WIDTH as u32, HEIGHT as u32, bits)
.unwrap();
image_buffer
.save_with_format("out.png", image::ImageFormat::Png)
.unwrap();
}
|
