Function needDrawBackground

libs/echarts/echarts.simple.js:8763–8768

(style)

}

function needDrawBackground(style) {
    return !!(
        style.textBackgroundColor
        || (style.textBorderWidth && style.textBorderColor)
    );
}

// style: {textBackgroundColor, textBorderWidth, textBorderColor, textBorderRadius, text}
// shape: {x, y, width, height}