Example usage for org.apache.poi.hssf.usermodel HSSFPicture resize

Introduction

In this page you can find the example usage for org.apache.poi.hssf.usermodel HSSFPicture resize.

Prototype

@Override
public void resize(double scaleX, double scaleY) 

Source Link

Document

Resize the image

Please note, that this method works correctly only for workbooks with default font size (Arial 10pt for .xls).

Usage

From source file:com.haulmont.yarg.formatters.impl.inline.AbstractInliner.java

License:Apache License

@Override
public void inlineToXls(HSSFPatriarch patriarch, HSSFCell resultCell, Object paramValue,
        Matcher paramsMatcher) {//from  www.  ja  v a2  s . co  m
    try {
        Image image = new Image(paramValue, paramsMatcher);
        if (image.isValid()) {
            HSSFSheet sheet = resultCell.getSheet();
            HSSFWorkbook workbook = sheet.getWorkbook();

            int pictureIdx = workbook.addPicture(image.imageContent, Workbook.PICTURE_TYPE_JPEG);

            CreationHelper helper = workbook.getCreationHelper();
            ClientAnchor anchor = helper.createClientAnchor();
            anchor.setCol1(resultCell.getColumnIndex());
            anchor.setRow1(resultCell.getRowIndex());
            anchor.setCol2(resultCell.getColumnIndex());
            anchor.setRow2(resultCell.getRowIndex());
            if (patriarch == null) {
                throw new IllegalArgumentException(String.format(
                        "No HSSFPatriarch object provided. Charts on this sheet could cause this effect. Please check sheet %s",
                        resultCell.getSheet().getSheetName()));
            }
            HSSFPicture picture = patriarch.createPicture(anchor, pictureIdx);
            Dimension size = ImageUtils.getDimensionFromAnchor(picture);
            double actualHeight = size.getHeight() / EMU_PER_PIXEL;
            double actualWidth = size.getWidth() / EMU_PER_PIXEL;
            picture.resize((double) image.width / actualWidth, (double) image.height / actualHeight);
        }
    } catch (IllegalArgumentException e) {
        throw new ReportFormattingException("An error occurred while inserting bitmap to xls file", e);
    }
}

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