win-screenshot

Take a screenshot from specified window or entire screen on Windows platform

Known Issues

capture_window() draws black border for some windows
If you call capture_window() and got GetDCIsNull make sure captured window is not minimized

Minimum requirements

capture_window() uses undocumented PW_RENDERFULLCONTENT which first appeared in Windows 8.1

Examples

```rust use image::{ImageBuffer, Rgba}; use regex::Regex; use win_screenshot::prelude::*;

fn main() { // capture entire screen let buf = capture_display().unwrap();

// capture window by known id
let buf = capture_window(11996706, Area::Full).unwrap();

// capture window client area
let buf = capture_window(11996706, Area::ClientOnly).unwrap();

// capture window if you know the exact name
let hwnd = find_window("Notepad").unwrap();
let buf = capture_window(hwnd, Area::Full).unwrap();

// if you don't know the exact name, try to find it
let re = Regex::new(r"Firefox").unwrap();
let hwnd = window_list()
    .unwrap()
    .iter()
    .find(|i| re.is_match(&i.window_name))
    .unwrap()
    .hwnd;
let buf = capture_window(hwnd, Area::Full).unwrap();

// convert to image and save
let img: ImageBuffer<Rgba<u8>, Vec<u8>> =
    ImageBuffer::from_raw(buf.width, buf.height, buf.pixels).unwrap();
img.save("screenshot.jpg").unwrap();

} ```