Function save_image 

pub fn save_image(
    filename: &str,
    data: &[u8],
    width: u32,
    height: u32,
) -> Result<(), ScreenshotError>

Saves raw BGRA pixel data to an image file.

Arguments

• filename - Output filename (supports .png, .jpg, .jpeg)
• data - Raw BGRA pixel data (4 bytes per pixel, as from wgpu Bgra8UnormSrgb format)
• width - Image width in pixels
• height - Image height in pixels

Errors

Returns an error if the file cannot be written or format is unsupported.