Struct LayerManager 

pub struct LayerManager { /* private fields */ }

Layer manager for organizing and rendering multiple layers

Implementations

impl LayerManager

pub fn new() -> Self

Create a new empty layer manager

pub fn add_layer(&mut self, layer: Box<dyn Layer>)

Add a layer to the manager

pub fn remove_layer(&mut self, name: &str) -> Option<Box<dyn Layer>>

Remove a layer by name

pub fn get_layer_mut(&mut self, name: &str) -> Option<&mut (dyn Layer + '_)>

Get a mutable reference to a layer by name

pub fn get_layer(&self, name: &str) -> Option<&dyn Layer>

Get an immutable reference to a layer by name

pub fn update_all( &mut self, data: &ChartData, viewport: &Viewport, theme: &ChartTheme, style: &ChartStyle, )

Update all layers with new data

pub fn render_all( &self, context: &mut RenderContext, render_pass: &mut RenderPass<'_>, ) -> Result<()>

Render all enabled layers in Z-order

pub fn needs_render(&self) -> bool

Check if any layer needs rendering

pub fn mark_clean(&mut self)

Mark the layer manager as clean (after rendering)

pub fn layer_count(&self) -> usize

Get the number of layers

pub fn enabled_layer_count(&self) -> usize

Get the number of enabled layers

pub fn layer_names(&self) -> Vec<&str>

List all layer names

pub fn set_layer_enabled(&mut self, name: &str, enabled: bool) -> bool

Enable or disable a layer by name

pub fn clear(&mut self)

Clear all layers

Trait Implementations

impl Default for LayerManager

fn default() -> Self

Returns the “default value” for a type.

impl LayerBuilder for LayerManager

fn basic_range_chart() -> LayerManager

Create a basic range bar chart with grid and axes

fn basic_financial_chart() -> LayerManager

Backwards compatibility alias

fn chart_with_watermark(label: String) -> LayerManager

Create a chart with watermark