@nativescript-community/ui-chart/components/ComponentBase.js

A powerful chart / graph plugin, supporting line, bar, pie, radar, bubble, and candlestick charts as well as scaling, panning and animations.

import { Font } from '@nativescript/core/ui/styling/font';
const DEFAULT_FONT = Font.default.withFontSize(10);
/**
 * This class encapsulates everything both Axis, Legend and LimitLines have in common.
 *

 */
export class ComponentBase {
    constructor() {
        /**
         * flag that indicates if this axis / legend is enabled or not
         */
        this.enabled = true;
        /**
         * the offset in pixels this component has on the x-axis
         */
        this.xOffset = 5;
        /**
         * the offset in pixels this component has on the Y-axis
         */
        this.yOffset = 5;
        /**
         * the typeface used for the labels
         */
        this.typeface = DEFAULT_FONT;
        /**
         * the text size of the labels
         */
        this.mTextSize = 10;
        /**
         * the text color to use for the labels
         */
        this.textColor = 'black';
        /**
         * Defines if the renderer should ensure we always see the component fully
         */
        this.ensureVisible = false;
    }
    ComponentBase() { }
    /**
     * returns the Typeface used for the labels, returns null if none is set
     *
     * @return {@link Font}
     */
    get font() {
        return this.typeface;
    }
    /**
     * sets a specific Typeface for the labels
     *
     * @param tf
     */
    set font(tf) {
        if (tf.fontSize <= 0) {
            tf = tf.withFontSize(this.textSize);
        }
        this.typeface = tf;
    }
    /**
     * sets the size of the label text in density pixels min = 6f, max = 24f, default
     * 10
     *
     * @param size the text size, in DP
     */
    set textSize(size) {
        this.mTextSize = size;
        // this bit is important to make sure we dont create crazy amount of native fonts on render
        this.typeface = this.typeface.withFontSize(size);
    }
    /**
     * returns the text size that is currently set for the labels, in pixels
     */
    get textSize() {
        return this.mTextSize;
    }
}
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