Struct RenderContext 

pub struct RenderContext<'a> {
    pub graph: &'a Graph,
    pub viewport: &'a Viewport,
    pub window: &'a Window,
    pub layer: RenderLayer,
}

Fields

graph: &'a Graph

viewport: &'a Viewport

window: &'a Window

layer: RenderLayer

Implementations

impl<'a> RenderContext<'a>

pub fn new( graph: &'a Graph, viewport: &'a Viewport, window: &'a Window, layer: RenderLayer, ) -> Self

pub fn create_node(&self, node_type: &str) -> NodeBuilder

pub fn next_node_id(&self) -> NodeId

pub fn next_port_id(&self) -> PortId

pub fn next_edge_id(&self) -> EdgeId

pub fn get_node(&self, id: &NodeId) -> Option<&Node>

pub fn nodes(&self) -> &HashMap<NodeId, Node>

pub fn node_order(&self) -> &Vec<NodeId>

pub fn new_edge(&self) -> Edge

pub fn selection_bounds(&self) -> Option<Bounds<Pixels>>

pub fn selected_nodes_with_positions(&self) -> HashMap<NodeId, Point<Pixels>>

pub fn hit_node(&self, mouse: Point<Pixels>) -> Option<NodeId>

pub fn world_to_screen(&self, p: Point<Pixels>) -> Point<Pixels>

pub fn screen_to_world(&self, p: Point<Pixels>) -> Point<Pixels>