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https://issues.apache.org/jira/browse/PDFBOX-1735?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Paulo R C Mello Junior closed PDFBOX-1735.
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> Convert page pdf to image
> -------------------------
>
> Key: PDFBOX-1735
> URL: https://issues.apache.org/jira/browse/PDFBOX-1735
> Project: PDFBox
> Issue Type: Bug
> Affects Versions: 1.8.2
> Environment: Windows 8
> JDK 1.7
> Jboss 7.1
> Reporter: Paulo R C Mello Junior
> Assignee: Andreas Lehmkühler
> Labels: JPEG2000, JPXDecode
> Fix For: 1.8.3, 2.0.0
>
>
> I'm in the fight to perfectly convert a PDF to an image.
> But the stacktrace below breaks my application!
> ---
> Out 02, 2013 3:22:35 PM org.apache.pdfbox.pdmodel.graphics.xobject.PDPixelMap
> getRGBImage
> SEVERE: Something went wrong ... the pixelmap doesn't contain any data.
> Out 02, 2013 3:22:35 PM org.apache.pdfbox.util.operator.pagedrawer.Invoke
> process
> WARNING: getRGBImage returned NULL
> Out 02, 2013 3:22:35 PM org.apache.pdfbox.util.PDFStreamEngine processOperator
> INFO: unsupported/disabled operation: i
> ---
> I really need to fix this problem in order to succeed in converting
> You know why this error occurs?
> You know how I can fix this error?
> is some dependence of my environment that i forgot? or a failure of PDFBox
> framewor ?
> Follow my code below:
> ---
> public static List<BufferedImage> getPdfPagesAsImages(String pdfPath,
> int i)
> throws FileNotFoundException, IOException {
> List<BufferedImage> bImages = new ArrayList<BufferedImage>();
>
> File f = new File(pdfPath);
> if (f.exists()) {
> int resolution = 185;
> PDDocument pdfDocument = null;
> pdfDocument = PDDocument.loadNonSeq(f, null);
> if (pdfDocument != null) {
> @SuppressWarnings("unchecked")
> List<PDPage> pages = (List<PDPage>) pdfDocument
> .getDocumentCatalog().getAllPages();
> int j = 1;
> for (PDPage p : pages) {
> System.out.println(j);
> BufferedImage convertedImage = p.convertToImage(
> BufferedImage.TYPE_INT_BGR ,
> resolution);
> saveImageToRepository(i, j, convertedImage);
>
> j++;
> if (isNegativeImage(convertedImage)) {
>
> bImages.add(invertNegativeImage(convertedImage));
> } else {
> bImages.add(convertedImage);
> }
>
> }
> System.out.println(pdfPath +" sucess");
> }
> pdfDocument.close();
> }else{
> System.out.println(pdfPath +" nao existe");
> }
> return bImages;
> }
> private static void saveImageToRepository(int i, int j,
> BufferedImage convertedImage) throws IOException {
> File outputfile = new File("C:/Desenvolvimento/bkp/convertido/"
> + i + j+ ".png");
> ImageIO.write(convertedImage, "png", outputfile);
> }
> ---
> I create a list of images
> these images are saved to be loaded in the browser later on a JSF component.
> Thank you!
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