Convert Chart to Image for Chinese Region with Node.js via C++

In this topic, we will show you how to set the Chinese region for a chart.

Define an Inheritance Class

First, define a class ChartChineseSettings that inherits from ChartGlobalizationSettings.
Then, by overriding the related functions, you can set the text of the chart elements in your own language.
Code example:

const AsposeCells = require("aspose.cells.node");

class ChartChineseSettings extends AsposeCells.ChartGlobalizationSettings {
    getAxisTitleName() {
        return "坐标轴标题";
    }

    getAxisUnitName(type) {
        switch (type) {
            case AsposeCells.DisplayUnitType.None:
                return '';
            case AsposeCells.DisplayUnitType.Hundreds:
                return '百';
            case AsposeCells.DisplayUnitType.Thousands:
                return '千';
            case AsposeCells.DisplayUnitType.TenThousands:
                return '万';
            case AsposeCells.DisplayUnitType.HundredThousands:
                return '十万';
            case AsposeCells.DisplayUnitType.Millions:
                return '百万';
            case AsposeCells.DisplayUnitType.TenMillions:
                return '千万';
            case AsposeCells.DisplayUnitType.HundredMillions:
                return '亿';
            case AsposeCells.DisplayUnitType.Billions:
                return '十亿';
            case AsposeCells.DisplayUnitType.Trillions:
                return '兆';
            default:
                return '';
        }
    }

    getChartTitleName() {
        return "图表标题";
    }

    getLegendDecreaseName() {
        return "减少";
    }

    getLegendIncreaseName() {
        return "增加";
    }

    getLegendTotalName() {
        return "汇总";
    }

    getOtherName() {
        return "其他";
    }

    getSeriesName() {
        return "系列";
    }
}

Configure Chinese Settings for Chart

In this step, you will use the ChartChineseSettings class you defined in the previous step.
Code example:

const Workbook = require('aspose.cells');
const wb = new Workbook("Chinese.xls");
wb.settings.globalizationSettings.chartSettings = new ChartChineseSettings();
const chart0 = wb.worksheets[0].charts[0];
chart0.toImage("Output.png");

You will see the effect in the output image: the chart elements are rendered according to your settings.

Conclusion

If you do not set the Chinese region for a chart, the following chart elements may be rendered in the default language (English).
After applying the steps above, you obtain an output chart image with Chinese region settings.

Supported elements	Value in this example	Default value in an English environment
Axis Title Name	坐标轴标题	Axis Title
Axis Unit Name	百,千…	Hundreds, Thousands…
Chart Title Name	图表标题	Chart Title
Legend Increase Name	增加	Increase
Legend Decrease Name	减少	Decrease
Legend Total Name	汇总	Total
Other Name	其他	Other
Series Name	系列	Series