Function assembleFont

src/component/tooltip/TooltipHTMLContent.ts:150–180

* @param {Object} textStyle * @return {string} * @inner

(textStyleModel: Model<TooltipOption['textStyle']>)

 * @inner
 */
function assembleFont(textStyleModel: Model<TooltipOption['textStyle']>): string {
    const cssText = [];

    const fontSize = textStyleModel.get('fontSize');
    const color = textStyleModel.getTextColor();

    color && cssText.push('color:' + color);

    cssText.push('font:' + textStyleModel.getFont());

    // @ts-ignore, leave it to the tooltip refactor.
    const lineHeight = retrieve2(textStyleModel.get('lineHeight'), Math.round(fontSize * 3 / 2));

    fontSize
        && cssText.push('line-height:' + lineHeight + 'px');

    const shadowColor = textStyleModel.get('textShadowColor');
    const shadowBlur = textStyleModel.get('textShadowBlur') || 0;
    const shadowOffsetX = textStyleModel.get('textShadowOffsetX') || 0;
    const shadowOffsetY = textStyleModel.get('textShadowOffsetY') || 0;
    shadowColor && shadowBlur
        && cssText.push('text-shadow:' + shadowOffsetX + 'px ' + shadowOffsetY + 'px '
            + shadowBlur + 'px ' + shadowColor);

    each(['decoration', 'align'] as const, function (name) {
        const val = textStyleModel.get(name);
        val && cssText.push('text-' + name + ':' + val);
    });

    return cssText.join(';');
}

function assembleCssText(
    tooltipModel: Model<TooltipOption>,