List of renderImageWithDPI() Examples

Examples of renderImageWithDPI()

org.apache.pdfbox.rendering.PDFRenderer.renderImageWithDPI()
Returns the given page as an RGB image at the given DPI. @param pageIndex the zero-based index of the page to be converted @param dpi the DPI (dots per inch) to render at @return the rendered page image @throws IOException if the PDF cannot be read

Examples of org.apache.pdfbox.rendering.PDFRenderer.renderImageWithDPI()

                boolean success = true;
                int numPages = document.getNumberOfPages();
                PDFRenderer renderer = new PDFRenderer(document);
                for (int i = startPage - 1; i < endPage && i < numPages; i++)
                {
                    BufferedImage image = renderer.renderImageWithDPI(i, dpi, imageType);
                    String fileName = outputPrefix + (i + 1) + "." + imageFormat;                    
                    success &= ImageIOUtil.writeImage(image, fileName, dpi);
                }


                if (!success)

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Examples of org.apache.pdfbox.rendering.PDFRenderer.renderImageWithDPI()


    private void writeImage(PDDocument document, String imageFormat, String outputPrefix,
            ImageType imageType, float dpi) throws IOException
    {
        PDFRenderer renderer = new PDFRenderer(document);
        BufferedImage image = renderer.renderImageWithDPI(0, dpi, imageType);
        String fileName = outputPrefix + 1;
        LOG.info("Writing: " + fileName + "." + imageFormat);
        System.out.println("  " + fileName + "." + imageFormat); // for Maven (keep me!)
        boolean res = ImageIOUtil.writeImage(image, fileName + "." + imageFormat, Math.round(dpi));
        assertTrue("ImageIOUtil.writeImage() failed for file " + fileName, res);

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Examples of org.apache.pdfbox.rendering.PDFRenderer.renderImageWithDPI()

            PDFRenderer renderer = new PDFRenderer(document);
            for (int i = 0; i < numPages; i++)
            {
                String fileName = outputPrefix + (i + 1) + ".png";
                new FileOutputStream(new File(fileName + ".rendererror")).close();
                BufferedImage image = renderer.renderImageWithDPI(i, 96); // Windows native DPI
                new File(fileName + ".rendererror").delete();
                LOG.info("Writing: " + fileName);
                new FileOutputStream(new File(fileName + ".writeerror")).close();
                ImageIO.write(image, "PNG", new File(fileName));
                new File(fileName + ".writeerror").delete();

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Examples of org.apache.pdfbox.rendering.PDFRenderer.renderImageWithDPI()

        int src1PageCount = srcDoc1.getNumberOfPages();
        PDFRenderer src1PdfRenderer = new PDFRenderer(srcDoc1);
        BufferedImage[] src1ImageTab = new BufferedImage[src1PageCount];
        for (int page = 0; page < src1PageCount; ++page)
        {
            src1ImageTab[page] = src1PdfRenderer.renderImageWithDPI(page, DPI);
        }
        srcDoc1.close();


        PDDocument srcDoc2 = PDDocument.loadNonSeq(new File(SRCDIR, filename2), null);
        int src2PageCount = srcDoc2.getNumberOfPages();

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Examples of org.apache.pdfbox.rendering.PDFRenderer.renderImageWithDPI()

        int src2PageCount = srcDoc2.getNumberOfPages();
        PDFRenderer src2PdfRenderer = new PDFRenderer(srcDoc2);
        BufferedImage[] src2ImageTab = new BufferedImage[src2PageCount];
        for (int page = 0; page < src2PageCount; ++page)
        {
            src2ImageTab[page] = src2PdfRenderer.renderImageWithDPI(page, DPI);
        }
        srcDoc2.close();


        PDFMergerUtility pdfMergerUtility = new PDFMergerUtility();
        pdfMergerUtility.addSource(new File(SRCDIR, filename1));

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Examples of org.apache.pdfbox.rendering.PDFRenderer.renderImageWithDPI()

        PDFRenderer mergePdfRenderer = new PDFRenderer(mergedDoc);
        int mergePageCount = mergedDoc.getNumberOfPages();
        assertEquals(src1PageCount + src2PageCount, mergePageCount);
        for (int page = 0; page < src1PageCount; ++page)
        {
            BufferedImage bim = mergePdfRenderer.renderImageWithDPI(page, DPI);
            checkImagesIdentical(bim, src1ImageTab[page]);
        }
        for (int page = 0; page < src2PageCount; ++page)
        {
            int mergePage = page + src1PageCount;

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Examples of org.apache.pdfbox.rendering.PDFRenderer.renderImageWithDPI()

            checkImagesIdentical(bim, src1ImageTab[page]);
        }
        for (int page = 0; page < src2PageCount; ++page)
        {
            int mergePage = page + src1PageCount;
            BufferedImage bim = mergePdfRenderer.renderImageWithDPI(mergePage, DPI);
            checkImagesIdentical(bim, src2ImageTab[page]);
        }
        mergedDoc.close();
    }

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