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Thanks, it worked. I just have another question, about the quality of the images generated by the ChartUtilities.writeChartAsPNG. Is there a way to get better image quality than with this method. I ve seen the method getHiResChartImage on the forum but I don't find the way to make it work as expecte...

Hello, I am generating a Stacked bar graph and I put it in an excel file via apache POI. I use the ChartUtilities.writeChartAsPNG method, but as the result has not a good quality, I generate a bug chart and resize it to put it in the excel file. So I changed the size of the fonts of th graph, but I ...