screenshots 0.8.10

Move to [XCap](https://crates.io/crates/xcap)
Documentation 
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mod wayland;
mod wayland_screenshot;
mod xorg;

use anyhow::Result;
use display_info::DisplayInfo;
use image::RgbaImage;
use std::env::var_os;
use wayland::{wayland_capture_screen, wayland_capture_screen_area};
use xorg::{xorg_capture_screen, xorg_capture_screen_area};

fn wayland_detect() -> bool {
    let xdg_session_type = var_os("XDG_SESSION_TYPE")
        .unwrap_or_default()
        .to_string_lossy()
        .to_string();

    let wayland_display = var_os("WAYLAND_DISPLAY")
        .unwrap_or_default()
        .to_string_lossy()
        .to_string();

    xdg_session_type.eq("wayland") || wayland_display.to_lowercase().contains("wayland")
}

pub fn capture_screen(display_info: &DisplayInfo) -> Result<RgbaImage> {
    if wayland_detect() {
        wayland_capture_screen(display_info)
    } else {
        xorg_capture_screen(display_info)
    }
}

pub fn capture_screen_area(
    display_info: &DisplayInfo,
    x: i32,
    y: i32,
    width: u32,
    height: u32,
) -> Result<RgbaImage> {
    if wayland_detect() {
        wayland_capture_screen_area(display_info, x, y, width, height)
    } else {
        xorg_capture_screen_area(display_info, x, y, width, height)
    }
}