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60 lines
1.9 KiB
60 lines
1.9 KiB
export default ImageCanvas;
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/**
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* A function that is called to trigger asynchronous canvas drawing. It is
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* called with a "done" callback that should be called when drawing is done.
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* If any error occurs during drawing, the "done" callback should be called with
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* that error.
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*/
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export type Loader = (arg0: (arg0: Error | undefined) => void) => void;
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/**
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* A function that is called to trigger asynchronous canvas drawing. It is
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* called with a "done" callback that should be called when drawing is done.
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* If any error occurs during drawing, the "done" callback should be called with
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* that error.
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*
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* @typedef {function(function(Error=): void): void} Loader
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*/
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declare class ImageCanvas extends ImageBase {
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/**
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* @param {import("./extent.js").Extent} extent Extent.
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* @param {number} resolution Resolution.
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* @param {number} pixelRatio Pixel ratio.
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* @param {HTMLCanvasElement} canvas Canvas.
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* @param {Loader} [loader] Optional loader function to
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* support asynchronous canvas drawing.
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*/
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constructor(extent: import("./extent.js").Extent, resolution: number, pixelRatio: number, canvas: HTMLCanvasElement, loader?: Loader | undefined);
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/**
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* Optional canvas loader function.
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* @type {?Loader}
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* @private
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*/
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private loader_;
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/**
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* @private
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* @type {HTMLCanvasElement}
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*/
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private canvas_;
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/**
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* @private
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* @type {?Error}
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*/
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private error_;
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/**
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* Get any error associated with asynchronous rendering.
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* @return {?Error} Any error that occurred during rendering.
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*/
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getError(): Error | null;
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/**
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* Handle async drawing complete.
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* @param {Error} [err] Any error during drawing.
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* @private
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*/
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private handleLoad_;
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/**
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* @return {HTMLCanvasElement} Canvas element.
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*/
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getImage(): HTMLCanvasElement;
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}
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import ImageBase from "./ImageBase.js";
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//# sourceMappingURL=ImageCanvas.d.ts.map
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