Example usage for org.apache.pdfbox.pdmodel.graphics.color PDDeviceRGB INSTANCE

List of usage examples for org.apache.pdfbox.pdmodel.graphics.color PDDeviceRGB INSTANCE

Introduction

In this page you can find the example usage for org.apache.pdfbox.pdmodel.graphics.color PDDeviceRGB INSTANCE.

Prototype

PDDeviceRGB INSTANCE

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Document

This is the single instance of this class.

Usage

From source file:airviewer.BoxAnnotationMaker.java

License:Apache License

/**
 *
 * @param document//from w w w  .  j  ava  2 s . c om
 * @param arguments(lowerLeftX, lowerLeftY, width, height)
 * @return
 */
public static List<PDAnnotation> make(PDDocument document, ArrayList<String> arguments) {
    assert null != arguments && arguments.size() == 5;
    assert null != document;

    List<PDAnnotation> result;

    try {
        int pageNumber = parseInt(arguments.get(0));
        float lowerLeftX = parseFloat(arguments.get(1));
        float lowerLeftY = parseFloat(arguments.get(2));
        float width = parseFloat(arguments.get(3));
        float height = parseFloat(arguments.get(4));
        String contents = "";
        PDFont font = PDType1Font.HELVETICA_OBLIQUE;
        float fontSize = 16; // Or whatever font size you want.
        //float textWidth = font.getStringWidth(contents) * fontSize / 1000.0f;
        //float textHeight = 32;

        try {
            PDPage page = document.getPage(pageNumber);
            PDColor red = new PDColor(new float[] { 1, 0, 0 }, PDDeviceRGB.INSTANCE);
            PDBorderStyleDictionary borderThick = new PDBorderStyleDictionary();
            borderThick.setWidth(72 / 12); // 12th inch
            PDRectangle position = new PDRectangle();
            position.setLowerLeftX(lowerLeftX);
            position.setLowerLeftY(lowerLeftY);
            position.setUpperRightX(lowerLeftX + width);
            position.setUpperRightY(lowerLeftY + height);

            PDAnnotationSquareCircle aSquare = new PDAnnotationSquareCircle(
                    PDAnnotationSquareCircle.SUB_TYPE_SQUARE);
            aSquare.setAnnotationName(new UID().toString());
            aSquare.setContents(contents);
            aSquare.setColor(red); // Outline in red, not setting a fill
            PDColor fillColor = new PDColor(new float[] { .8f, .8f, .8f }, PDDeviceRGB.INSTANCE);
            aSquare.setInteriorColor(fillColor);
            aSquare.setBorderStyle(borderThick);
            aSquare.setRectangle(position);
            result = new ArrayList<>(page.getAnnotations()); // copy
            page.getAnnotations().add(aSquare);

            // The following lines are needed for PDFRenderer to render 
            // annotations. Preview and Acrobat don't seem to need these.
            if (null == aSquare.getAppearance()) {
                aSquare.setAppearance(new PDAppearanceDictionary());
                PDAppearanceStream annotationAppearanceStream = new PDAppearanceStream(document);
                position.setLowerLeftX(lowerLeftX - borderThick.getWidth() * 0.5f);
                position.setLowerLeftY(lowerLeftY - borderThick.getWidth() * 0.5f);
                position.setUpperRightX(lowerLeftX + width + borderThick.getWidth() * 0.5f);
                position.setUpperRightY(lowerLeftY + height + borderThick.getWidth() * 0.5f);
                annotationAppearanceStream.setBBox(position);
                annotationAppearanceStream.setMatrix(new AffineTransform());
                annotationAppearanceStream.setResources(page.getResources());

                try (PDPageContentStream appearanceContent = new PDPageContentStream(document,
                        annotationAppearanceStream)) {
                    Matrix transform = new Matrix();
                    appearanceContent.transform(transform);
                    appearanceContent.addRect(lowerLeftX, lowerLeftY, width, height);
                    appearanceContent.setLineWidth(borderThick.getWidth());
                    appearanceContent.setNonStrokingColor(fillColor);
                    appearanceContent.setStrokingColor(red);
                    appearanceContent.fillAndStroke();
                    appearanceContent.beginText();

                    // Center text vertically, left justified
                    appearanceContent.newLineAtOffset(lowerLeftX, lowerLeftY + height * 0.5f - fontSize * 0.5f);
                    appearanceContent.setFont(font, fontSize);
                    appearanceContent.setNonStrokingColor(red);
                    appearanceContent.showText(contents);
                    appearanceContent.endText();
                }
                aSquare.getAppearance().setNormalAppearance(annotationAppearanceStream);
            }
            //System.out.println(page.getAnnotations().toString());

        } catch (IOException ex) {
            Logger.getLogger(DocumentCommandWrapper.class.getName()).log(Level.SEVERE, null, ex);
            result = null;
        }
    } catch (NumberFormatException | NullPointerException ex) {
        System.err.println("\tNon number encountered where floating point number expected.");
        result = null;
    }

    return result;
}

From source file:airviewer.EllipseAnnotationMaker.java

License:Apache License

/**
 * //from  w  w  w. j a  v  a 2  s .  co  m
 * @param document
 * @param arguments(pageNumber, lowerLeftX, lowerLeftY, width, height, contents)
 * @return 
 */
public static List<PDAnnotation> make(PDDocument document, ArrayList<String> arguments) {
    assert null != arguments && arguments.size() == 6;
    assert null != document;

    List<PDAnnotation> result;

    try {
        int pageNumber = parseInt(arguments.get(0));
        float lowerLeftX = parseFloat(arguments.get(1));
        float lowerLeftY = parseFloat(arguments.get(2));
        float width = parseFloat(arguments.get(3));
        float height = parseFloat(arguments.get(4));
        String contents = arguments.get(5);

        PDFont font = PDType1Font.HELVETICA_OBLIQUE;
        final float fontSize = 16.0f; // Or whatever font size you want.
        //final float lineSpacing = 4.0f;
        width = max(width, font.getStringWidth(contents) * fontSize / 1000.0f);
        //final float textHeight = fontSize + lineSpacing;

        try {
            PDPage page = document.getPage(pageNumber);
            PDColor red = new PDColor(new float[] { 1, 0, 0 }, PDDeviceRGB.INSTANCE);
            PDColor black = new PDColor(new float[] { 0, 0, 0 }, PDDeviceRGB.INSTANCE);
            PDBorderStyleDictionary borderThick = new PDBorderStyleDictionary();
            borderThick.setWidth(72 / 12); // 12th inch
            PDRectangle position = new PDRectangle();
            position.setLowerLeftX(lowerLeftX);
            position.setLowerLeftY(lowerLeftY);
            position.setUpperRightX(lowerLeftX + width);
            position.setUpperRightY(lowerLeftY + height);

            PDAnnotationSquareCircle aCircle = new PDAnnotationSquareCircle(
                    PDAnnotationSquareCircle.SUB_TYPE_CIRCLE);
            aCircle.setAnnotationName(new UID().toString());
            aCircle.setContents(contents);
            PDColor fillColor = new PDColor(new float[] { .8f, .8f, .8f }, PDDeviceRGB.INSTANCE);
            aCircle.setInteriorColor(fillColor);
            aCircle.setColor(red);
            aCircle.setBorderStyle(borderThick);
            aCircle.setRectangle(position);

            result = new ArrayList<>(page.getAnnotations()); // Copy
            page.getAnnotations().add(aCircle);

            // The following lines are needed for PDFRenderer to render 
            // annotations. Preview and Acrobat don't seem to need these.
            if (null == aCircle.getAppearance()) {
                aCircle.setAppearance(new PDAppearanceDictionary());
                PDAppearanceStream annotationAppearanceStream = new PDAppearanceStream(document);
                position.setLowerLeftX(lowerLeftX - borderThick.getWidth() * 0.5f);
                position.setLowerLeftY(lowerLeftY - borderThick.getWidth() * 0.5f);
                position.setUpperRightX(lowerLeftX + width + borderThick.getWidth() * 0.5f);
                position.setUpperRightY(lowerLeftY + height + borderThick.getWidth() * 0.5f);
                annotationAppearanceStream.setBBox(position);
                annotationAppearanceStream.setMatrix(new AffineTransform());
                annotationAppearanceStream.setResources(page.getResources());

                try (PDPageContentStream appearanceContent = new PDPageContentStream(document,
                        annotationAppearanceStream)) {
                    Matrix transform = new Matrix();
                    appearanceContent.transform(transform);
                    appearanceContent.moveTo(lowerLeftX, lowerLeftY + height * 0.5f);
                    appearanceContent.curveTo(lowerLeftX, lowerLeftY + height * 0.75f,
                            lowerLeftX + width * 0.25f, lowerLeftY + height, lowerLeftX + width * 0.5f,
                            lowerLeftY + height);
                    appearanceContent.curveTo(lowerLeftX + width * 0.75f, lowerLeftY + height,
                            lowerLeftX + width, lowerLeftY + height * 0.75f, lowerLeftX + width,
                            lowerLeftY + height * 0.5f);
                    appearanceContent.curveTo(lowerLeftX + width, lowerLeftY + height * 0.25f,
                            lowerLeftX + width * 0.75f, lowerLeftY, lowerLeftX + width * 0.5f, lowerLeftY);
                    appearanceContent.curveTo(lowerLeftX + width * 0.25f, lowerLeftY, lowerLeftX,
                            lowerLeftY + height * 0.25f, lowerLeftX, lowerLeftY + height * 0.5f);
                    appearanceContent.setLineWidth(borderThick.getWidth());
                    appearanceContent.setNonStrokingColor(fillColor);
                    appearanceContent.setStrokingColor(red);
                    appearanceContent.fillAndStroke();
                    appearanceContent.moveTo(0, 0);

                    appearanceContent.beginText();
                    appearanceContent.setNonStrokingColor(black);
                    // Center text vertically, left justified
                    appearanceContent.newLineAtOffset(lowerLeftX + borderThick.getWidth(),
                            lowerLeftY + height * 0.5f - fontSize * 0.5f);
                    appearanceContent.setFont(font, fontSize);
                    appearanceContent.showText(contents);
                    appearanceContent.endText();
                }
                aCircle.getAppearance().setNormalAppearance(annotationAppearanceStream);
            }

        } catch (IOException ex) {
            Logger.getLogger(DocumentCommandWrapper.class.getName()).log(Level.SEVERE, null, ex);
            result = null;
        }
    } catch (NumberFormatException | NullPointerException ex) {
        System.err.println("Non number encountered where floating point number expected.");
        result = null;
    } catch (IOException ex) {
        Logger.getLogger(EllipseAnnotationMaker.class.getName()).log(Level.SEVERE, null, ex);
        result = null;
    }

    return result;
}

From source file:airviewer.TextAnnotationMaker.java

License:Apache License

/**
 * //from  w  w w . j  a v  a2 s  . co m
 * @param document
 * @param arguments(pageNumber, lowerLeftX, lowerLeftY);
        
    String contents 
 * @return 
 */
public static List<PDAnnotation> make(PDDocument document, ArrayList<String> arguments) {
    assert null != arguments && arguments.size() == 4;
    assert null != document;

    List<PDAnnotation> result;

    try {
        int pageNumber = parseInt(arguments.get(0));
        float lowerLeftX = parseFloat(arguments.get(1));
        float lowerLeftY = parseFloat(arguments.get(2));

        String contents = arguments.get(3);
        PDFont font = PDType1Font.HELVETICA_OBLIQUE;
        final float fontSize = 16.0f; // Or whatever font size you want.
        final float lineSpacing = 4.0f;
        float width = font.getStringWidth(contents) * fontSize / 1000.0f; // font.getStringWidth(contents) returns thousanths of PS point
        final float textHeight = fontSize + lineSpacing;

        try {
            PDPage page = document.getPage(pageNumber);
            PDColor red = new PDColor(new float[] { 1, 0, 0 }, PDDeviceRGB.INSTANCE);
            PDBorderStyleDictionary borderThick = new PDBorderStyleDictionary();
            borderThick.setWidth(72 / 12); // 12th inch
            PDRectangle position = new PDRectangle();
            position.setLowerLeftX(lowerLeftX);
            position.setLowerLeftY(lowerLeftY);
            position.setUpperRightX(lowerLeftX + width);
            position.setUpperRightY(lowerLeftY + textHeight);

            PDAnnotationSquareCircle aSquare = new PDAnnotationSquareCircle(
                    PDAnnotationSquareCircle.SUB_TYPE_SQUARE);
            aSquare.setAnnotationName(new UID().toString());
            aSquare.setContents(contents);
            PDColor fillColor = new PDColor(new float[] { .8f, .8f, .8f }, PDDeviceRGB.INSTANCE);
            aSquare.setInteriorColor(fillColor);
            aSquare.setRectangle(position);
            result = new ArrayList<>(page.getAnnotations()); // copy
            page.getAnnotations().add(aSquare);

            // The following lines are needed for PDFRenderer to render 
            // annotations. Preview and Acrobat don't seem to need these.
            if (null == aSquare.getAppearance()) {
                aSquare.setAppearance(new PDAppearanceDictionary());
                PDAppearanceStream annotationAppearanceStream = new PDAppearanceStream(document);
                position.setLowerLeftX(lowerLeftX - borderThick.getWidth() * 0.5f);
                position.setLowerLeftY(lowerLeftY - borderThick.getWidth() * 0.5f);
                position.setUpperRightX(lowerLeftX + width + borderThick.getWidth() * 0.5f);
                position.setUpperRightY(lowerLeftY + textHeight + borderThick.getWidth() * 0.5f);
                annotationAppearanceStream.setBBox(position);
                annotationAppearanceStream.setMatrix(new AffineTransform());
                annotationAppearanceStream.setResources(page.getResources());

                try (PDPageContentStream appearanceContent = new PDPageContentStream(document,
                        annotationAppearanceStream)) {
                    Matrix transform = new Matrix();
                    appearanceContent.transform(transform);
                    appearanceContent.addRect(lowerLeftX, lowerLeftY, width, textHeight);
                    appearanceContent.setNonStrokingColor(fillColor);
                    appearanceContent.fill();
                    appearanceContent.beginText();

                    // Center text vertically, left justified
                    appearanceContent.newLineAtOffset(lowerLeftX,
                            lowerLeftY + textHeight * 0.5f - fontSize * 0.5f);
                    appearanceContent.setFont(font, fontSize);
                    appearanceContent.setNonStrokingColor(red);
                    appearanceContent.showText(contents);
                    appearanceContent.endText();
                }
                aSquare.getAppearance().setNormalAppearance(annotationAppearanceStream);
            }
            //System.out.println(page.getAnnotations().toString());

        } catch (IOException ex) {
            Logger.getLogger(DocumentCommandWrapper.class.getName()).log(Level.SEVERE, null, ex);
            result = null;
        }
    } catch (NumberFormatException | NullPointerException ex) {
        System.err.println("Non number encountered where floating point number expected.");
        result = null;
    } catch (IOException ex) {
        Logger.getLogger(TextAnnotationMaker.class.getName()).log(Level.SEVERE, null, ex);
        result = null;
    }

    return result;
}

From source file:com.planbase.pdf.layoutmanager.PdfLayoutMgr.java

License:Apache License

/**
 * Creates a new PdfLayoutMgr with the PDDeviceRGB color space.
 *
 * @return a new Page Manager with an RGB color space
 * @throws IOException//from  w  ww.ja va 2s .co m
 */
@SuppressWarnings("UnusedDeclaration") // Part of end-user public interface
public static PdfLayoutMgr newRgbPageMgr() throws IOException {
    return new PdfLayoutMgr(PDDeviceRGB.INSTANCE);
}

From source file:de.rototor.pdfbox.graphics2d.PdfBoxGraphics2DColorMapper.java

License:Apache License

@Override
public PDColor mapColor(PDPageContentStream contentStream, Color color) {
    if (color == null)
        return new PDColor(new float[] { 1f, 1f, 1f }, PDDeviceRGB.INSTANCE);

    // Support for legacy iText 2 CMYK Color Class
    if (color.getClass().getSimpleName().equals("CMYKColor")) {
        float c = PdfBoxGraphics2DPaintApplier.getPropertyValue(color, "getCyan");
        float m = PdfBoxGraphics2DPaintApplier.getPropertyValue(color, "getMagenta");
        float y = PdfBoxGraphics2DPaintApplier.getPropertyValue(color, "getYellow");
        float k = PdfBoxGraphics2DPaintApplier.getPropertyValue(color, "getBlack");
        return new PDColor(new float[] { c, m, y, k }, PDDeviceCMYK.INSTANCE);
    }/*from   w ww . j a v  a2s .  c o  m*/

    // Our own CMYK Color class
    if (color instanceof PdfBoxGraphics2DCMYKColor) {
        return ((PdfBoxGraphics2DCMYKColor) color).toPDColor();
    }

    float[] components = new float[] { color.getRed() / 255f, color.getGreen() / 255f, color.getBlue() / 255f };
    return new PDColor(components, PDDeviceRGB.INSTANCE);
}

From source file:edu.ist.psu.sagnik.research.pdfbox2playground.javatest.ExtractImages.java

License:Apache License

/**
 * Writes the image to a file with the filename + an appropriate suffix, like "Image.jpg".
 * The suffix is automatically set by the
 * @param filename the filename//from   w w w . ja va2 s .c om
 * @throws IOException When somethings wrong with the corresponding file.
 */
private void write2file(PDImage pdImage, String filename, boolean directJPEG) throws IOException {
    String suffix = pdImage.getSuffix();
    if (suffix == null) {
        suffix = "png";
    }

    FileOutputStream out = null;
    try {
        out = new FileOutputStream(filename + "." + suffix);
        BufferedImage image = pdImage.getImage();
        if (image != null) {
            if ("jpg".equals(suffix)) {
                String colorSpaceName = pdImage.getColorSpace().getName();
                if (directJPEG || PDDeviceGray.INSTANCE.getName().equals(colorSpaceName)
                        || PDDeviceRGB.INSTANCE.getName().equals(colorSpaceName)) {
                    // RGB or Gray colorspace: get and write the unmodifiedJPEG stream
                    //InputStream data = pdImage.getColor.getPartiallyFilteredStream(JPEG);
                    //IOUtils.copy(data, out);
                    //IOUtils.closeQuietly(data);
                    BufferedImage b = pdImage.getImage();
                    ImageIOUtil.writeImage(b, "jpg", out);
                } else {
                    // for CMYK and other "unusual" colorspaces, the JPEG will be converted
                    ImageIOUtil.writeImage(image, suffix, out);
                }
            } else {
                ImageIOUtil.writeImage(image, suffix, out);
            }
        }
        out.flush();
    } finally {
        if (out != null) {
            out.close();
        }
    }
}

From source file:helper.pdfpreprocessing.pdf.TextHighlight.java

License:Apache License

private boolean markupMatch(Color color, PDPageContentStream contentStream, Match markingMatch, int height,
        boolean withId, PDPage page, String comment, boolean commentOnly) throws IOException {
    final List<PDRectangle> textBoundingBoxes = getTextBoundingBoxes(markingMatch.positions);

    if (textBoundingBoxes.size() > 0) {
        contentStream.setNonStrokingColor(color);
        for (PDRectangle textBoundingBox : textBoundingBoxes) {
            if (comment.isEmpty()) {
                contentStream.addRect(textBoundingBox.getLowerLeftX(), textBoundingBox.getLowerLeftY(), Math
                        .max(Math.abs(textBoundingBox.getUpperRightX() - textBoundingBox.getLowerLeftX()), 10),
                        height);//ww w.  j  av a2s  .co  m
                contentStream.fill();
            }
            if (withId) {
                PDFont font = PDType1Font.HELVETICA;
                contentStream.beginText();
                contentStream.setFont(font, 5);
                contentStream.newLineAtOffset(textBoundingBox.getUpperRightX(),
                        textBoundingBox.getUpperRightY());
                contentStream.showText(markingMatch.str);
                contentStream.endText();
            }
            if (!comment.isEmpty() && !commentOnly) {
                PDAnnotationTextMarkup txtMark = new PDAnnotationTextMarkup(
                        PDAnnotationTextMarkup.SUB_TYPE_HIGHLIGHT);
                PDRectangle position = new PDRectangle();
                position.setLowerLeftX(textBoundingBox.getLowerLeftX());
                position.setLowerLeftY(textBoundingBox.getLowerLeftY());
                position.setUpperRightX(textBoundingBox.getLowerLeftX() + Math
                        .max(Math.abs(textBoundingBox.getUpperRightX() - textBoundingBox.getLowerLeftX()), 10));
                position.setUpperRightY(textBoundingBox.getLowerLeftY() + 10);
                txtMark.setRectangle(position);

                float[] quads = new float[8];
                quads[0] = position.getLowerLeftX(); // x1
                quads[1] = position.getUpperRightY() - 2; // y1
                quads[2] = position.getUpperRightX(); // x2
                quads[3] = quads[1]; // y2
                quads[4] = quads[0]; // x3
                quads[5] = position.getLowerLeftY() - 2; // y3
                quads[6] = quads[2]; // x4
                quads[7] = quads[5]; // y5
                txtMark.setQuadPoints(quads);
                txtMark.setConstantOpacity((float) 0.5);
                txtMark.setContents("Missing Assumption/s (" + markingMatch.str + "):\n" + comment);
                float[] colorArray = new float[] { 0, 0, 0 };
                colorArray = color.getColorComponents(colorArray);
                PDColor hColor = new PDColor(colorArray, PDDeviceRGB.INSTANCE);
                txtMark.setColor(hColor);
                txtMark.setCreationDate(Calendar.getInstance());
                txtMark.setTitlePopup("Assumption Error");
                page.getAnnotations().add(txtMark);
            } else if (!comment.isEmpty() && commentOnly) {
                for (int i = 0; i < page.getAnnotations().size(); i++) {
                    String extractedComment = page.getAnnotations().get(i).getContents();
                    if (extractedComment != null) {
                        String commentID = extractedComment.substring(extractedComment.indexOf("(") + 1,
                                extractedComment.indexOf(")"));
                        if (markingMatch.str.equals(commentID) && extractedComment.contains(comment)) {
                            page.getAnnotations().get(i).setContents(extractedComment + "\n" + comment);
                        }

                    }
                }
            }
        }
        return true;
    }
    return false;
}

From source file:org.apache.tika.parser.pdf.PDF2XHTMLPureJava.java

License:Apache License

private void writeToBuffer(PDImageXObject pdImage, String suffix, OutputStream out) throws IOException {

    BufferedImage image = pdImage.getImage();
    if (image != null) {
        if ("jpg".equals(suffix)) {
            String colorSpaceName = pdImage.getColorSpace().getName();
            //TODO: figure out if we want directJPEG as a configuration
            //previously: if (directJPeg || PDDeviceGray....
            if (PDDeviceGray.INSTANCE.getName().equals(colorSpaceName)
                    || PDDeviceRGB.INSTANCE.getName().equals(colorSpaceName)) {
                // RGB or Gray colorspace: get and write the unmodifiedJPEG stream
                InputStream data = pdImage.getStream().createInputStream(JPEG);
                org.apache.pdfbox.io.IOUtils.copy(data, out);
                org.apache.pdfbox.io.IOUtils.closeQuietly(data);
            } else {
                // for CMYK and other "unusual" colorspaces, the JPEG will be converted
                //ImageIOUtil.writeImage(image, suffix, out);
            }/*from   w ww  .  j  a va2s  .  c o  m*/
        } else if ("jp2".equals(suffix) || "jpx".equals(suffix)) {
            InputStream data = pdImage.createInputStream(JP2);
            org.apache.pdfbox.io.IOUtils.copy(data, out);
            org.apache.pdfbox.io.IOUtils.closeQuietly(data);
        } else if ("jb2".equals(suffix)) {
            InputStream data = pdImage.createInputStream(JB2);
            org.apache.pdfbox.io.IOUtils.copy(data, out);
            org.apache.pdfbox.io.IOUtils.closeQuietly(data);
        } else {
            //ImageIOUtil.writeImage(image, suffix, out);
        }
    }
    out.flush();
}

From source file:pdfpicmangler.PDPng.java

License:Open Source License

/**
 * Construct from a stream./*from  w w  w  .  j a v  a  2 s  . c om*/
 * 
 * @param doc The document to create the image as part of.
 * @param is The stream that contains the png data.
 * @throws IOException If there is an error reading the png data.
 */
public PDPng(PDDocument doc, InputStream is) throws IOException {
    super(doc, "png");

    System.out.println("reading in png");

    COSDictionary dic = getCOSStream();

    dic.setItem(COSName.SUBTYPE, COSName.IMAGE);
    //dic.setItem(COSName.TYPE, COSName.XOBJECT);

    data = getCOSStream().createFilteredStream();

    readPng(is);

    setWidth(imageWidth);
    setHeight(imageHeight);
    dic.setInt(COSName.BITS_PER_COMPONENT, bitDepth);

    if ((colorType & PNG_TYPE_PALETTE) != 0) {
        getCOSStream().setItem(COSName.COLORSPACE, paldata);
    } else if ((colorType & PNG_TYPE_COLOR) != 0) {
        setColorSpace(PDDeviceRGB.INSTANCE);
    } else {
        setColorSpace(new PDDeviceGray());
    }

    COSDictionary filterParams = new COSDictionary();
    filterParams.setInt(COSName.PREDICTOR, 15); // png adaptive predictor
    filterParams.setInt(COSName.COLORS,
            ((colorType & PNG_TYPE_COLOR) == 0 || (colorType & PNG_TYPE_PALETTE) != 0) ? 1 : 3);
    filterParams.setInt(COSName.BITS_PER_COMPONENT, bitDepth);
    filterParams.setInt(COSName.COLUMNS, imageWidth);
    filterParams.setDirect(true);

    dic.setItem(COSName.DECODE_PARMS, filterParams);
    dic.setItem(COSName.FILTER, COSName.FLATE_DECODE);

    dic.setInt(COSName.LENGTH, dataLen);
    dic.getDictionaryObject(COSName.LENGTH).setDirect(true);
}