fufesou c269d1c831 privacy_mode: win10 magnifier
Signed-off-by: fufesou <shuanglongchen@yeah.net>
2022-05-30 12:08:28 +08:00

143 lines
3.4 KiB
Rust

use crate::dxgi;
use std::io::ErrorKind::{NotFound, TimedOut, WouldBlock};
use std::{io, ops};
pub struct Capturer {
inner: dxgi::Capturer,
width: usize,
height: usize,
}
impl Capturer {
pub fn new(display: Display, yuv: bool) -> io::Result<Capturer> {
let width = display.width();
let height = display.height();
let inner = dxgi::Capturer::new(display.0, yuv)?;
Ok(Capturer {
inner,
width,
height,
})
}
pub fn is_gdi(&self) -> bool {
self.inner.is_gdi()
}
pub fn set_gdi(&mut self) -> bool {
self.inner.set_gdi()
}
pub fn cancel_gdi(&mut self) {
self.inner.cancel_gdi()
}
pub fn width(&self) -> usize {
self.width
}
pub fn height(&self) -> usize {
self.height
}
pub fn frame<'a>(&'a mut self, timeout_ms: u32) -> io::Result<Frame<'a>> {
match self.inner.frame(timeout_ms) {
Ok(frame) => Ok(Frame(frame)),
Err(ref error) if error.kind() == TimedOut => Err(WouldBlock.into()),
Err(error) => Err(error),
}
}
}
pub struct Frame<'a>(&'a [u8]);
impl<'a> ops::Deref for Frame<'a> {
type Target = [u8];
fn deref(&self) -> &[u8] {
self.0
}
}
pub struct Display(dxgi::Display);
impl Display {
pub fn primary() -> io::Result<Display> {
// not implemented yet
Err(NotFound.into())
}
pub fn all() -> io::Result<Vec<Display>> {
let tmp = Self::all_().unwrap_or(Default::default());
if tmp.is_empty() {
println!("Display got from gdi");
return Ok(dxgi::Displays::get_from_gdi()
.drain(..)
.map(Display)
.collect::<Vec<_>>());
}
Ok(tmp)
}
fn all_() -> io::Result<Vec<Display>> {
Ok(dxgi::Displays::new()?.map(Display).collect::<Vec<_>>())
}
pub fn width(&self) -> usize {
self.0.width() as usize
}
pub fn height(&self) -> usize {
self.0.height() as usize
}
pub fn name(&self) -> String {
use std::ffi::OsString;
use std::os::windows::prelude::*;
OsString::from_wide(self.0.name())
.to_string_lossy()
.to_string()
}
pub fn is_online(&self) -> bool {
self.0.is_online()
}
pub fn origin(&self) -> (i32, i32) {
self.0.origin()
}
pub fn is_primary(&self) -> bool {
// https://docs.microsoft.com/en-us/windows/win32/api/wingdi/ns-wingdi-devmodea
self.origin() == (0, 0)
}
}
pub struct CapturerMag {
inner: dxgi::mag::CapturerMag,
data: Vec<u8>,
}
impl CapturerMag {
pub fn is_supported() -> bool {
dxgi::mag::CapturerMag::is_supported()
}
pub fn new(origin: (i32, i32), width: usize, height: usize, use_yuv: bool) -> io::Result<Self> {
Ok(CapturerMag {
inner: dxgi::mag::CapturerMag::new(origin, width, height, use_yuv)?,
data: Vec::new(),
})
}
pub fn exclude(&mut self, cls: &str, name: &str) -> io::Result<bool> {
self.inner.exclude(cls, name)
}
// ((x, y), w, h)
pub fn get_rect(&self) -> ((i32, i32), usize, usize) {
self.inner.get_rect()
}
pub fn frame<'a>(&'a mut self, _timeout_ms: u32) -> io::Result<Frame<'a>> {
self.inner.frame(&mut self.data)?;
Ok(Frame(&self.data))
}
}