Struct Browser 

pub struct Browser { /* private fields */ }

Implementations

impl Browser

pub async fn new() -> Result<Self>

Launches a new headless browser instance.

pub async fn new_with_head() -> Result<Self>

Launches a new browser instance with head visible.

pub async fn new_tab(&self) -> Result<Tab>

Opens a new blank tab.

pub async fn capture_html(&self, html: &str, selector: &str) -> Result<String>

Captures a screenshot of HTML content clipped to the given selector using default options.

pub async fn capture_html_with_options( &self, html: &str, selector: &str, opts: CaptureOptions, ) -> Result<String>

Captures a screenshot with options such as format, quality, and viewport.

Example

let options = CaptureOptions::new()
    .with_format(ImageFormat::Png)
    .with_viewport(Viewport::new(1920, 1080).with_device_scale_factor(2.0));

let base64 = browser.capture_html_with_options(html, "body", options).await?;

pub async fn capture_html_hidpi( &self, html: &str, selector: &str, scale: f64, ) -> Result<String>

Captures a high-DPI screenshot with the specified scale factor.

Convenience method for getting sharper images without manually configuring viewport and options.

Arguments

• html - HTML content to render
• selector - CSS selector for the element to capture
• scale - Device scale factor (2.0 for retina, 3.0 for ultra-high DPI)

pub async fn close_async(&self) -> Result<()>

Closes the browser process and cleans up resources asynchronously.

pub async fn instance() -> Self

Returns a shared singleton browser instance, launching if necessary. Automatically recreates the instance if it becomes invalid.

Trait Implementations

impl Clone for Browser

fn clone(&self) -> Browser

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.