Struct ScreenshotComparison 

pub struct ScreenshotComparison {
    pub threshold: f64,
    pub max_diff_pixels: Option<usize>,
    pub max_diff_pixel_ratio: Option<f64>,
    pub mask_regions: Vec<MaskRegion>,
}

Screenshot comparison configuration (Playwright API parity)

Fields

threshold: f64

Threshold for comparison (0.0-1.0)

max_diff_pixels: Option<usize>

Maximum number of pixels that can differ

max_diff_pixel_ratio: Option<f64>

Maximum ratio of pixels that can differ (0.0-1.0)

mask_regions: Vec<MaskRegion>

Regions to mask (exclude from comparison)

Implementations

impl ScreenshotComparison

pub fn new() -> Self

Create a new screenshot comparison config

pub const fn with_threshold(self, threshold: f64) -> Self

Set threshold for comparison

pub const fn with_max_diff_pixels(self, pixels: usize) -> Self

Set maximum number of differing pixels

pub const fn with_max_diff_pixel_ratio(self, ratio: f64) -> Self

Set maximum ratio of differing pixels

pub fn with_mask(self, mask: MaskRegion) -> Self

Add a mask region to exclude from comparison

Trait Implementations

impl Clone for ScreenshotComparison

fn clone(&self) -> ScreenshotComparison

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ScreenshotComparison

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for ScreenshotComparison

fn default() -> ScreenshotComparison

Returns the “default value” for a type.