StackGenVis: Alignment of Data, Algorithms, and Models for Stacking Ensemble Learning Using Performance Metrics
https://doi.org/10.1109/TVCG.2020.3030352
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59 lines
1.1 KiB
59 lines
1.1 KiB
4 years ago
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'use strict';
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Object.defineProperty(exports, '__esModule', { value: true });
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function domCanvas(w, h) {
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if (typeof document !== 'undefined' && document.createElement) {
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var c = document.createElement('canvas');
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if (c && c.getContext) {
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c.width = w;
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c.height = h;
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return c;
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}
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}
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return null;
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}
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function domImage() {
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return typeof Image !== 'undefined' ? Image : null;
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}
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var NodeCanvas;
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try {
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NodeCanvas = require('canvas');
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if (!(NodeCanvas && NodeCanvas.createCanvas)) {
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NodeCanvas = null;
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}
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} catch (error) {
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// do nothing
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}
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function nodeCanvas(w, h, type) {
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if (NodeCanvas) {
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try {
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return new NodeCanvas.Canvas(w, h, type);
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} catch (e) {
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// do nothing, return null on error
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}
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}
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return null;
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}
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function nodeImage() {
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return (NodeCanvas && NodeCanvas.Image) || null;
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}
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function canvas(w, h, type) {
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return domCanvas(w, h) || nodeCanvas(w, h, type) || null;
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}
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function image() {
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return domImage() || nodeImage() || null;
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}
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exports.canvas = canvas;
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exports.image = image;
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exports.domCanvas = domCanvas;
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exports.nodeCanvas = nodeCanvas;
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