Java Code Examples for org.apache.pdfbox.pdmodel.common.PDRectangle#getUpperRightY()

/**
    * Transform the rectangle in order to match the page rotation
    * @param rect the rectangle.
    * @param page the page.
    * @return the transformed rectangle.
    */
   public static PDRectangle transformToPageRotation(
    final PDRectangle rect, final PDPage page) {
AffineTransform transform = transformToPageRotation(page);
if (transform == null) {
    return rect;
}
float[] points = new float[] {rect.getLowerLeftX(), rect.getLowerLeftY(), rect.getUpperRightX(), rect.getUpperRightY()};
float[] rotatedPoints = new float[4]; 
transform.transform(points, 0, rotatedPoints, 0, 2);
PDRectangle rotated = new PDRectangle();
rotated.setLowerLeftX(rotatedPoints[0]);
rotated.setLowerLeftY(rotatedPoints[1]);
rotated.setUpperRightX(rotatedPoints[2]);
rotated.setUpperRightY(rotatedPoints[3]);
return rotated;
   }
 

private BoundingBox generateBoundingBox() throws IOException
{
    if (getFontDescriptor() != null)
    {
        PDRectangle bbox = getFontDescriptor().getFontBoundingBox();
        if (bbox != null &&
                (Float.compare(bbox.getLowerLeftX(), 0) != 0 || 
                 Float.compare(bbox.getLowerLeftY(), 0) != 0 ||
                 Float.compare(bbox.getUpperRightX(), 0) != 0 ||
                 Float.compare(bbox.getUpperRightY(), 0) != 0))
        {
            return new BoundingBox(bbox.getLowerLeftX(), bbox.getLowerLeftY(),
                                   bbox.getUpperRightX(), bbox.getUpperRightY());
        }
    }
    return ttf.getFontBBox();
}
 

/**
    * Transform the rectangle in order to match the page rotation
    * @param rect the rectangle.
    * @param page the page.
    * @return the transformed rectangle.
    */
   public static PDRectangle transformToPageRotation(
    final PDRectangle rect, final PDPage page) {
AffineTransform transform = transformToPageRotation(page);
if (transform == null) {
    return rect;
}
float[] points = new float[] {rect.getLowerLeftX(), rect.getLowerLeftY(), rect.getUpperRightX(), rect.getUpperRightY()};
float[] rotatedPoints = new float[4]; 
transform.transform(points, 0, rotatedPoints, 0, 2);
PDRectangle rotated = new PDRectangle();
rotated.setLowerLeftX(rotatedPoints[0]);
rotated.setLowerLeftY(rotatedPoints[1]);
rotated.setUpperRightX(rotatedPoints[2]);
rotated.setUpperRightY(rotatedPoints[3]);
return rotated;
   }
 

private BoundingBox generateBoundingBox()
{
    if (getFontDescriptor() != null) {
        PDRectangle bbox = getFontDescriptor().getFontBoundingBox();
        if (bbox.getLowerLeftX() != 0 || bbox.getLowerLeftY() != 0 ||
            bbox.getUpperRightX() != 0 || bbox.getUpperRightY() != 0) {
            return new BoundingBox(bbox.getLowerLeftX(), bbox.getLowerLeftY(),
                                   bbox.getUpperRightX(), bbox.getUpperRightY());
        }
    }
    if (cidFont != null)
    {
        return cidFont.getFontBBox();
    }
    else
    {
        try
        {
            return t1Font.getFontBBox();
        }
        catch (IOException e)
        {
            return new BoundingBox();
        }
    }
}
 

/**
 * <a href="http://stackoverflow.com/questions/40611736/rotate-pdf-around-its-center-using-pdfbox-in-java">
 * Rotate PDF around its center using PDFBox in java
 * </a>
 * <p>
 * This test shows how to rotate the page content and then move its crop box and
 * media box accordingly to make it appear as if the content was rotated around
 * the center of the crop box.
 * </p>
 */
@Test
public void testRotateMoveBox() throws IOException
{
    try (   InputStream resource = getClass().getResourceAsStream("IRJET_Copy_Right_form.pdf")  )
    {
        PDDocument document = Loader.loadPDF(resource);
        PDPage page = document.getDocumentCatalog().getPages().get(0);
        PDPageContentStream cs = new PDPageContentStream(document, page, PDPageContentStream.AppendMode.PREPEND, false, false);
        Matrix matrix = Matrix.getRotateInstance(Math.toRadians(45), 0, 0);
        cs.transform(matrix);
        cs.close();

        PDRectangle cropBox = page.getCropBox();
        float cx = (cropBox.getLowerLeftX() + cropBox.getUpperRightX()) / 2;
        float cy = (cropBox.getLowerLeftY() + cropBox.getUpperRightY()) / 2;
        Point2D.Float newC = matrix.transformPoint(cx, cy);
        float tx = (float)newC.getX() - cx;
        float ty = (float)newC.getY() - cy;
        page.setCropBox(new PDRectangle(cropBox.getLowerLeftX() + tx, cropBox.getLowerLeftY() + ty, cropBox.getWidth(), cropBox.getHeight()));
        PDRectangle mediaBox = page.getMediaBox();
        page.setMediaBox(new PDRectangle(mediaBox.getLowerLeftX() + tx, mediaBox.getLowerLeftY() + ty, mediaBox.getWidth(), mediaBox.getHeight()));

        document.save(new File(RESULT_FOLDER, "IRJET_Copy_Right_form-rotated-move-box.pdf"));
    }
}
 

/**
 * <a href="http://stackoverflow.com/questions/40611736/rotate-pdf-around-its-center-using-pdfbox-in-java">
 * Rotate PDF around its center using PDFBox in java
 * </a>
 * <p>
 * This test shows how to rotate the page content around the center of its crop box
 * and then crop it to make all previously visible content fit.
 * </p>
 */
@Test
public void testRotateCenterScale() throws IOException
{
    try (   InputStream resource = getClass().getResourceAsStream("IRJET_Copy_Right_form.pdf")  )
    {
        PDDocument document = Loader.loadPDF(resource);
        PDPage page = document.getDocumentCatalog().getPages().get(0);
        PDPageContentStream cs = new PDPageContentStream(document, page, PDPageContentStream.AppendMode.PREPEND, false, false);

        Matrix matrix = Matrix.getRotateInstance(Math.toRadians(45), 0, 0);
        PDRectangle cropBox = page.getCropBox();
        float tx = (cropBox.getLowerLeftX() + cropBox.getUpperRightX()) / 2;
        float ty = (cropBox.getLowerLeftY() + cropBox.getUpperRightY()) / 2;

        Rectangle rectangle = cropBox.transform(matrix).getBounds();
        float scale = Math.min(cropBox.getWidth() / (float)rectangle.getWidth(), cropBox.getHeight() / (float)rectangle.getHeight());

        cs.transform(Matrix.getTranslateInstance(tx, ty));
        cs.transform(matrix);
        cs.transform(Matrix.getScaleInstance(scale, scale));
        cs.transform(Matrix.getTranslateInstance(-tx, -ty));
        cs.close();
        document.save(new File(RESULT_FOLDER, "IRJET_Copy_Right_form-rotated-center-scale.pdf"));
    }
}
 

private AffineTransform calculateMatrix(PDRectangle bbox, int rotation)
{
    if (rotation == 0)
    {
        return new AffineTransform();
    }
    float tx = 0, ty = 0;
    switch (rotation)
    {
        case 90:
            tx = bbox.getUpperRightY();
            break;
        case 180:
            tx = bbox.getUpperRightY();
            ty = bbox.getUpperRightX();
            break;
        case 270:
            ty = bbox.getUpperRightX();
            break;
        default:
            break;
    }
    Matrix matrix = Matrix.getRotateInstance(Math.toRadians(rotation), tx, ty);
    return matrix.createAffineTransform();

}
 

/**
 * <a href="http://stackoverflow.com/questions/40611736/rotate-pdf-around-its-center-using-pdfbox-in-java">
 * Rotate PDF around its center using PDFBox in java
 * </a>
 * <p>
 * This test shows how to rotate the page content around the center of its crop box.
 * </p>
 */
@Test
public void testRotateCenter() throws IOException
{
    try (   InputStream resource = getClass().getResourceAsStream("IRJET_Copy_Right_form.pdf")  )
    {
        PDDocument document = Loader.loadPDF(resource);
        PDPage page = document.getDocumentCatalog().getPages().get(0);
        PDPageContentStream cs = new PDPageContentStream(document, page, PDPageContentStream.AppendMode.PREPEND, false, false); 
        PDRectangle cropBox = page.getCropBox();
        float tx = (cropBox.getLowerLeftX() + cropBox.getUpperRightX()) / 2;
        float ty = (cropBox.getLowerLeftY() + cropBox.getUpperRightY()) / 2;
        cs.transform(Matrix.getTranslateInstance(tx, ty));
        cs.transform(Matrix.getRotateInstance(Math.toRadians(45), 0, 0));
        cs.transform(Matrix.getTranslateInstance(-tx, -ty));
        cs.close();
        document.save(new File(RESULT_FOLDER, "IRJET_Copy_Right_form-rotated-center.pdf"));
    }
}
 

/**
 * Returns the updated <code>RD</code> entry for Square and Circle annotations.
 *
 * @return Annotation <code>RD</code> value.
 */
PDRectangle getRectDifference()
{
    if (annotRect == null)
    {
        float d = (float)lineWidth / 2;
        return new PDRectangle(d, d, (float)lineWidth, (float)lineWidth);
    }

    PDRectangle re = (rectWithDiff != null) ? rectWithDiff : annotRect;

    float left = re.getLowerLeftX() - (float)bboxMinX;
    float bottom = re.getLowerLeftY() - (float)bboxMinY;
    float right = (float)bboxMaxX - re.getUpperRightX();
    float top = (float)bboxMaxY - re.getUpperRightY();

    return new PDRectangle(left, bottom, right - left, top - bottom);
}
 

private void fillBeadRectangles(PDPage page)
{
    beadRectangles = new ArrayList<PDRectangle>();
    for (PDThreadBead bead : page.getThreadBeads())
    {
        if (bead == null)
        {
            // can't skip, because of null entry handling in processTextPosition()
            beadRectangles.add(null);
            continue;
        }
        
        PDRectangle rect = bead.getRectangle();
        
        // bead rectangle is in PDF coordinates (y=0 is bottom),
        // glyphs are in image coordinates (y=0 is top),
        // so we must flip
        PDRectangle mediaBox = page.getMediaBox();
        float upperRightY = mediaBox.getUpperRightY() - rect.getLowerLeftY();
        float lowerLeftY = mediaBox.getUpperRightY() - rect.getUpperRightY();
        rect.setLowerLeftY(lowerLeftY);
        rect.setUpperRightY(upperRightY);
        
        // adjust for cropbox
        PDRectangle cropBox = page.getCropBox();
        if (cropBox.getLowerLeftX() != 0 || cropBox.getLowerLeftY() != 0)
        {
            rect.setLowerLeftX(rect.getLowerLeftX() - cropBox.getLowerLeftX());
            rect.setLowerLeftY(rect.getLowerLeftY() - cropBox.getLowerLeftY());
            rect.setUpperRightX(rect.getUpperRightX() - cropBox.getLowerLeftX());
            rect.setUpperRightY(rect.getUpperRightY() - cropBox.getLowerLeftY());
        }
        
        beadRectangles.add(rect);
    }
}
 

/**
    * Return the quad points representation of the given rect.
    * 
    * @param rect
    *            the rectangle.
    * @param xOffset
    *            the offset in x-direction to add.
    * @param yOffset
    *            the offset in y-direction to add.
    * @return the quad points.
    */
   public static float[] toQuadPoints(final PDRectangle rect, float xOffset,
    float yOffset) {
float[] quads = new float[8];
quads[0] = rect.getLowerLeftX() + xOffset; // x1
quads[1] = rect.getUpperRightY() + yOffset; // y1
quads[2] = rect.getUpperRightX() + xOffset; // x2
quads[3] = quads[1]; // y2
quads[4] = quads[0]; // x3
quads[5] = rect.getLowerLeftY() + yOffset; // y3
quads[6] = quads[2]; // x4
quads[7] = quads[5]; // y5
return quads;
   }
 

/**
 * The regions ({@link Rectangle2D} instances with coordinates according
 * to the PDFBox text extraction API, e.g. for initializing the regions of
 * a {@link PDFTextStripperByArea}) the {@link PdfBoxFinder} has recognized
 * on the current page.
 */
public Map<String, Rectangle2D> getRegions() {
    PDRectangle cropBox = getPage().getCropBox();
    float xOffset = cropBox.getLowerLeftX();
    float yOffset = cropBox.getUpperRightY();
    Map<String, Rectangle2D> result = getBoxes();
    for (Map.Entry<String, Rectangle2D> entry : result.entrySet()) {
        Rectangle2D box = entry.getValue();
        Rectangle2D region = new Rectangle2D.Float(xOffset + (float)box.getX(), yOffset - (float)(box.getY() + box.getHeight()), (float)box.getWidth(), (float)box.getHeight());
        entry.setValue(region);
    }
    return result;
}
 

private BoundingBox generateBoundingBox() throws IOException
{
    if (getFontDescriptor() != null) {
        PDRectangle bbox = getFontDescriptor().getFontBoundingBox();
        if (bbox != null
                && (bbox.getLowerLeftX() != 0 || bbox.getLowerLeftY() != 0
                || bbox.getUpperRightX() != 0 || bbox.getUpperRightY() != 0))
        {
            return new BoundingBox(bbox.getLowerLeftX(), bbox.getLowerLeftY(),
                                   bbox.getUpperRightX(), bbox.getUpperRightY());
        }
    }
    return genericFont.getFontBBox();
}
 

private BoundingBox generateBoundingBox()
{
    PDRectangle rect = getFontBBox();
    if (rect.getLowerLeftX() == 0 && rect.getLowerLeftY() == 0
            && rect.getUpperRightX() == 0 && rect.getUpperRightY() == 0)
    {
        // Plan B: get the max bounding box of the glyphs
        COSDictionary cp = getCharProcs();
        for (COSName name : cp.keySet())
        {
            COSBase base = cp.getDictionaryObject(name);
            if (base instanceof COSStream)
            {
                PDType3CharProc charProc = new PDType3CharProc(this, (COSStream) base);
                try
                {
                    PDRectangle glyphBBox = charProc.getGlyphBBox();
                    if (glyphBBox == null)
                    {
                        continue;
                    }
                    rect.setLowerLeftX(Math.min(rect.getLowerLeftX(), glyphBBox.getLowerLeftX()));
                    rect.setLowerLeftY(Math.min(rect.getLowerLeftY(), glyphBBox.getLowerLeftY()));
                    rect.setUpperRightX(Math.max(rect.getUpperRightX(), glyphBBox.getUpperRightX()));
                    rect.setUpperRightY(Math.max(rect.getUpperRightY(), glyphBBox.getUpperRightY()));
                }
                catch (IOException ex)
                {
                    // ignore
                }
            }
        }
    }
    return new BoundingBox(rect.getLowerLeftX(), rect.getLowerLeftY(),
            rect.getUpperRightX(), rect.getUpperRightY());
}
 

private BoundingBox generateBoundingBox() throws IOException
{
    if (getFontDescriptor() != null) {
        PDRectangle bbox = getFontDescriptor().getFontBoundingBox();
        if (bbox != null &&
                (bbox.getLowerLeftX() != 0 || bbox.getLowerLeftY() != 0 ||
                 bbox.getUpperRightX() != 0 || bbox.getUpperRightY() != 0))
        {
            return new BoundingBox(bbox.getLowerLeftX(), bbox.getLowerLeftY(),
                                   bbox.getUpperRightX(), bbox.getUpperRightY());
        }
    }
    return genericFont.getFontBBox();
}
 

private BoundingBox generateBoundingBox() throws IOException
{
    if (getFontDescriptor() != null) {
        PDRectangle bbox = getFontDescriptor().getFontBoundingBox();
        if (bbox != null)
        {
            return new BoundingBox(bbox.getLowerLeftX(), bbox.getLowerLeftY(),
                    bbox.getUpperRightX(), bbox.getUpperRightY());
        }
    }
    return ttf.getFontBBox();
}
 

@Override
public void generateNormalAppearance()
{
    float lineWidth = getLineWidth();
    PDAnnotationSquareCircle annotation = (PDAnnotationSquareCircle) getAnnotation();
    PDAppearanceContentStream contentStream  = null;

    try
    {
        contentStream = getNormalAppearanceAsContentStream();
        boolean hasStroke = contentStream.setStrokingColorOnDemand(getColor());
        boolean hasBackground = contentStream
                .setNonStrokingColorOnDemand(annotation.getInteriorColor());

        setOpacity(contentStream, annotation.getConstantOpacity());

        contentStream.setBorderLine(lineWidth, annotation.getBorderStyle(), annotation.getBorder());
        PDBorderEffectDictionary borderEffect = annotation.getBorderEffect();

        if (borderEffect != null && borderEffect.getStyle().equals(PDBorderEffectDictionary.STYLE_CLOUDY))
        {
            CloudyBorder cloudyBorder = new CloudyBorder(contentStream,
                borderEffect.getIntensity(), lineWidth, getRectangle());
            cloudyBorder.createCloudyEllipse(annotation.getRectDifference());
            annotation.setRectangle(cloudyBorder.getRectangle());
            annotation.setRectDifference(cloudyBorder.getRectDifference());
            PDAppearanceStream appearanceStream = annotation.getNormalAppearanceStream();
            appearanceStream.setBBox(cloudyBorder.getBBox());
            appearanceStream.setMatrix(cloudyBorder.getMatrix());
        }
        else
        {
            // Acrobat applies a padding to each side of the bbox so the line is completely within
            // the bbox.

            PDRectangle borderBox = handleBorderBox(annotation, lineWidth);

            // lower left corner
            float x0 = borderBox.getLowerLeftX();
            float y0 = borderBox.getLowerLeftY();
            // upper right corner
            float x1 = borderBox.getUpperRightX();
            float y1 = borderBox.getUpperRightY();
            // mid points
            float xm = x0 + borderBox.getWidth() / 2;
            float ym = y0 + borderBox.getHeight() / 2;
            // see http://spencermortensen.com/articles/bezier-circle/
            // the below number was calculated from sampling content streams
            // generated using Adobe Reader
            float magic = 0.55555417f;
            // control point offsets
            float vOffset = borderBox.getHeight() / 2 * magic;
            float hOffset = borderBox.getWidth() / 2 * magic;

            contentStream.moveTo(xm, y1);
            contentStream.curveTo((xm + hOffset), y1, x1, (ym + vOffset), x1, ym);
            contentStream.curveTo(x1, (ym - vOffset), (xm + hOffset), y0, xm, y0);
            contentStream.curveTo((xm - hOffset), y0, x0, (ym - vOffset), x0, ym);
            contentStream.curveTo(x0, (ym + vOffset), (xm - hOffset), y1, xm, y1);
            contentStream.closePath();
        }

        contentStream.drawShape(lineWidth, hasStroke, hasBackground);
    }
    catch (IOException e)
    {
        LOG.error(e);
    }
    finally{
        IOUtils.closeQuietly(contentStream);
    }
}
 

private void insertGeneratedListboxAppearance(PDPageContentStream contents, PDAppearanceStream appearanceStream,
        PDRectangle contentRect, PDFont font, float fontSize) throws IOException
{
    contents.setNonStrokingColor(0);
    
    int q = field.getQ();

    if (q == PDVariableText.QUADDING_CENTERED || q == PDVariableText.QUADDING_RIGHT)
    {
        float fieldWidth = appearanceStream.getBBox().getWidth();
        float stringWidth = (font.getStringWidth(value) / FONTSCALE) * fontSize;
        float adjustAmount = fieldWidth - stringWidth - 4;

        if (q == PDVariableText.QUADDING_CENTERED)
        {
            adjustAmount = adjustAmount / 2.0f;
        }

        contents.newLineAtOffset(adjustAmount, 0);
    }
    else if (q != PDVariableText.QUADDING_LEFT)
    {
        throw new IOException("Error: Unknown justification value:" + q);
    }

    List<String> options = ((PDListBox) field).getOptionsDisplayValues();
    int numOptions = options.size();

    float yTextPos = contentRect.getUpperRightY();

    int topIndex = ((PDListBox) field).getTopIndex();
    
    for (int i = topIndex; i < numOptions; i++)
    {
       
        if (i == topIndex)
        {
            yTextPos = yTextPos - font.getFontDescriptor().getAscent() / FONTSCALE * fontSize;
        }
        else
        {
            yTextPos = yTextPos - font.getBoundingBox().getHeight() / FONTSCALE * fontSize;
            contents.beginText();
        }

        contents.newLineAtOffset(contentRect.getLowerLeftX(), yTextPos);
        contents.showText(options.get(i));

        if (i != (numOptions - 1))
        {
            contents.endText();
        }
    }
}
 

public void setBoundingBox(PDRectangle bBox)
{
	x1 = bBox.getLowerLeftX(); x2 = bBox.getUpperRightX();
	y1 = bBox.getLowerLeftY(); y2 = bBox.getUpperRightY();
}
 

@Override
public void showTransparencyGroup(PDTransparencyGroup form) throws IOException
{
    if (!isContentRendered())
    {
        return;
    }
    TransparencyGroup group =
            new TransparencyGroup(form, false, getGraphicsState().getCurrentTransformationMatrix(), null);
    BufferedImage image = group.getImage();
    if (image == null)
    {
        // image is empty, don't bother
        return;
    }

    graphics.setComposite(getGraphicsState().getNonStrokingJavaComposite());
    setClip();

    // both the DPI xform and the CTM were already applied to the group, so all we do
    // here is draw it directly onto the Graphics2D device at the appropriate position
    PDRectangle bbox = group.getBBox();
    AffineTransform savedTransform = graphics.getTransform();

    Matrix m = new Matrix(xform);
    float xScale = Math.abs(m.getScalingFactorX());
    float yScale = Math.abs(m.getScalingFactorY());
    
    AffineTransform transform = new AffineTransform(xform);
    transform.scale(1.0 / xScale, 1.0 / yScale);
    graphics.setTransform(transform);

    // adjust bbox (x,y) position at the initial scale + cropbox
    float x = bbox.getLowerLeftX() - pageSize.getLowerLeftX();
    float y = pageSize.getUpperRightY() - bbox.getUpperRightY();

    if (flipTG)
    {
        graphics.translate(0, image.getHeight());
        graphics.scale(1, -1);
    }
    else
    {
        graphics.translate(x * xScale, y * yScale);
    }

    PDSoftMask softMask = getGraphicsState().getSoftMask();
    if (softMask != null)
    {
        Paint awtPaint = new TexturePaint(image,
                new Rectangle2D.Float(0, 0, image.getWidth(), image.getHeight()));
        awtPaint = applySoftMaskToPaint(awtPaint, softMask);
        graphics.setPaint(awtPaint);
        if (isContentRendered())
        {
            graphics.fill(
                    new Rectangle2D.Float(0, 0, bbox.getWidth() * xScale, bbox.getHeight() * yScale));
        }
    }
    else
    {
        if (isContentRendered())
        {
            try
            {
                graphics.drawImage(image, null, null);
            }
            catch (InternalError ie)
            {
                LOG.error("Exception drawing image, see JDK-6689349, " +
                          "try rendering into a BufferedImage instead", ie);
            }
        }
    }

    graphics.setTransform(savedTransform);
}