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Posted to dev@pdfbox.apache.org by "Tilman Hausherr (Jira)" <ji...@apache.org> on 2021/04/11 09:11:00 UTC
[jira] [Closed] (PDFBOX-5140) Can't change PDF including some
Chinese font to JPG correctly
[ https://issues.apache.org/jira/browse/PDFBOX-5140?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Tilman Hausherr closed PDFBOX-5140.
-----------------------------------
Resolution: Duplicate
Closing as duplicate of PDFBOX-3293, I've added you as a watcher there.
> Can't change PDF including some Chinese font to JPG correctly
> -------------------------------------------------------------
>
> Key: PDFBOX-5140
> URL: https://issues.apache.org/jira/browse/PDFBOX-5140
> Project: PDFBox
> Issue Type: Bug
> Components: Rendering
> Affects Versions: 2.0.22
> Environment: Windows 10
> Reporter: Shigeru Okada
> Priority: Major
> Attachments: TC_DFKaiShuSB.pdf, TC_DFKaiShuSB_001.jpg, TC_MingLiu.pdf, TC_MingLiu_001.jpg, TC_PMingLiU.pdf, TC_PMingLiU_001.jpg
>
>
> I tried to change PDF file including Chinese font to JPG file.
> Source code is as below.
> {code}
> private List<String> convertPdf2Jpg(File pdfFile) {
> List<String> jpgList = new ArrayList<String>();
> try {
> PDDocument document = PDDocument.load(pdfFile);
> PDFRenderer pdfRenderer = new PDFRenderer(document);
> for (int i = 0; i < document.getNumberOfPages(); i++) {
> BufferedImage image = null;
> try{
> image = pdfRenderer.renderImageWithDPI(i, 300 ,ImageType.RGB);
> String jpgName = pdfFile.getPath().split(".pdf")[0] + "_" + String.format("%03d", i+1) + ".jpg";
> ImageIOUtil.writeImage(image, jpgName, 300);
> jpgList.add(jpgName);
> }
> catch(Exception e) {
> document.close();
> LOG.error(pdfFile + "(" + i + " page) " + " can't convert pdf to jpg file (convertPdf2Jpg())." + e.toString());
> throwPdfBoxException("convertPdf2Jpg():" + pdfFile + "(" + i + " page) " + " can't convert pdf to jpg file." + e.toString());
> }
> }
> document.close();
> }
> catch(Exception e){
> LOG.error(pdfFile + "Can't load PDF file (convertPdf2Jpg()).");
> }
> return jpgList;
> }
> {code}
> I attached example of PDF and JPG. Chinese characters are broken.
> It seems that it depends on font.
> If you need more information, please let me know.
> Thanks
> //Okada
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