Example usage for com.lowagie.text.pdf PdfName CROPBOX

Introduction

In this page you can find the example usage for com.lowagie.text.pdf PdfName CROPBOX.

Prototype

PdfName CROPBOX

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Document

A name

Usage

From source file:org.jpedal.examples.simpleviewer.utils.ItextFunctions.java

License:Open Source License

public void setCrop(int pageCount, PdfPageData currentPageData, CropPDFPages cropPage) {
    File tempFile = null;//from   ww w.j  a v a2  s.co m

    try {
        tempFile = File.createTempFile("temp", null);

        ObjectStore.copy(selectedFile, tempFile.getAbsolutePath());
    } catch (Exception e) {
        return;
    }

    try {

        int[] pgsToEdit = cropPage.getPages();

        if (pgsToEdit == null)
            return;

        List pagesToEdit = new ArrayList();
        for (int i = 0; i < pgsToEdit.length; i++)
            pagesToEdit.add(new Integer(pgsToEdit[i]));

        PdfReader reader = new PdfReader(tempFile.getAbsolutePath());

        boolean applyToCurrent = cropPage.applyToCurrentCrop();

        for (int page = 1; page <= pageCount; page++) {
            if (pagesToEdit.contains(new Integer(page))) {

                float currentLeftCrop = currentPageData.getCropBoxX(page);
                float currentBottomCrop = currentPageData.getCropBoxY(page);
                float currentRightCrop = currentPageData.getCropBoxWidth(page) + currentLeftCrop;
                float currentTopCrop = currentPageData.getCropBoxHeight(page) + currentBottomCrop;

                float[] newCrop = cropPage.getCrop();

                if (applyToCurrent) {
                    newCrop[0] = currentLeftCrop + newCrop[0];
                    newCrop[1] = currentBottomCrop + newCrop[1];
                    newCrop[2] = currentRightCrop - newCrop[2];
                    newCrop[3] = currentTopCrop - newCrop[3];
                } else {
                    newCrop[2] = reader.getPageSize(page).width() - newCrop[2];
                    newCrop[3] = reader.getPageSize(page).height() - newCrop[3];
                }

                reader.getPageN(page).put(PdfName.CROPBOX, new PdfArray(newCrop));
            }
        }

        PdfStamper stamp = new PdfStamper(reader, new FileOutputStream(selectedFile));
        stamp.close();

    } catch (Exception e) {

        ObjectStore.copy(tempFile.getAbsolutePath(), selectedFile);

        e.printStackTrace();

    } finally {
        tempFile.delete();
    }
}

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From source file:org.sejda.impl.itext.CropTask.java

License:Apache License

public void execute(CropParameters parameters) throws TaskException {
    PdfSource<?> source = parameters.getSource();
    LOG.debug("Opening {} ", source);
    reader = source.open(sourceOpener);//  ww  w. j a va2  s  .  co  m
    int totalPages = reader.getNumberOfPages();

    File tmpFile = createTemporaryPdfBuffer();
    LOG.debug("Created output temporary buffer {} ", tmpFile);

    copier = new DefaultPdfCopier(reader, tmpFile, parameters.getVersion());
    copier.setCompression(parameters.isCompress());

    Set<PdfRectangle> cropAreas = getPdfRectangles(parameters.getCropAreas());
    for (int page = 1; page <= totalPages; page++) {
        PdfDictionary dictionary = reader.getPageN(page);
        for (PdfRectangle cropBox : cropAreas) {
            LOG.trace("Applying crop box {} to page {}", cropBox, page);
            dictionary.put(PdfName.MEDIABOX, cropBox);
            dictionary.put(PdfName.CROPBOX, cropBox);
            copier.addPage(reader, page);
        }
        notifyEvent(getNotifiableTaskMetadata()).stepsCompleted(page).outOf(totalPages);
    }
    nullSafeCloseQuietly(copier);
    nullSafeClosePdfReader(reader);

    outputWriter.setOutput(file(tmpFile).name(parameters.getOutputName()));
    parameters.getOutput().accept(outputWriter);
    LOG.debug("Crop areas applied to {}", parameters.getOutput());
}

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From source file:questions.importpages.ExportArea.java

public static void main(String[] args) {
    try {//from w  w  w  .  j  a va2s .c  om
        PdfReader reader = new PdfReader(SOURCE);
        PdfDictionary pagedict = reader.getPageN(1);
        PdfRectangle rect = new PdfRectangle(45, 610, 603, 906);
        pagedict.put(PdfName.MEDIABOX, rect);
        pagedict.put(PdfName.CROPBOX, rect);
        PdfStamper stamper = new PdfStamper(reader, new FileOutputStream(RESULT));
        stamper.close();
    } catch (IOException e) {
        e.printStackTrace();
    } catch (DocumentException e) {
        e.printStackTrace();
    }
}

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From source file:questions.stamppages.AddCropbox.java

public static void main(String[] args) {
    try {/*from  w ww.  j  a  v a 2  s  . co  m*/
        PdfImportedPage page;
        PdfDictionary pageDict;
        PdfReader reader = new PdfReader(RESOURCE);
        Document document = new Document(reader.getPageSizeWithRotation(1));
        PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream(RESULT2));
        document.open();
        PdfContentByte cb = writer.getDirectContent();
        int n = reader.getNumberOfPages();
        for (int i = 1; i <= n; i++) {
            page = writer.getImportedPage(reader, 1);
            cb.rectangle(0, 52, 612, 668);
            cb.clip();
            cb.newPath();
            cb.addTemplate(page, 0, 0);
            pageDict = reader.getPageN(i);
            PdfArray crop = new PdfRectangle(0, 52, 612, 720);
            pageDict.put(PdfName.CROPBOX, crop);
        }
        document.close();
        PdfStamper stamper = new PdfStamper(reader, new FileOutputStream(RESULT1));
        stamper.close();
    } catch (IOException e) {
        e.printStackTrace();
    } catch (DocumentException e) {
        e.printStackTrace();
    }
}

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