48 lines
1.3 KiB
JavaScript
48 lines
1.3 KiB
JavaScript
/**
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* @module ol/render/Event
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*/
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import Event from '../events/Event.js';
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class RenderEvent extends Event {
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/**
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* @param {import("./EventType.js").default} type Type.
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* @param {import("../transform.js").Transform=} opt_inversePixelTransform Transform for
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* CSS pixels to rendered pixels.
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* @param {import("../PluggableMap.js").FrameState=} opt_frameState Frame state.
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* @param {?CanvasRenderingContext2D=} opt_context Context.
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*/
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constructor(type, opt_inversePixelTransform, opt_frameState, opt_context) {
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super(type);
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/**
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* Transform from CSS pixels (relative to the top-left corner of the map viewport)
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* to rendered pixels on this event's `context`.
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* @type {import("../transform.js").Transform|undefined}
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* @api
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*/
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this.inversePixelTransform = opt_inversePixelTransform;
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/**
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* An object representing the current render frame state.
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* @type {import("../PluggableMap.js").FrameState|undefined}
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* @api
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*/
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this.frameState = opt_frameState;
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/**
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* Canvas context. Not available when the event is dispatched by the map. Only available
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* when a Canvas renderer is used, null otherwise.
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* @type {CanvasRenderingContext2D|null|undefined}
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* @api
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*/
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this.context = opt_context;
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}
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}
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export default RenderEvent;
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