Examples with ImgJBIG2 com.lowagie.text.ImgJBIG2 used on opensource projects

Example 1 with ImgJBIG2

use of com.lowagie.text.ImgJBIG2 in project OpenPDF by LibrePDF.

the class PdfContentByte method addImage.

/**
 * Adds an <CODE>Image</CODE> to the page. The positioning of the <CODE>Image</CODE>
 * is done with the transformation matrix. To position an <CODE>image</CODE> at (x,y)
 * use addImage(image, image_width, 0, 0, image_height, x, y). The image can be placed inline.
 * @param image the <CODE>Image</CODE> object
 * @param a an element of the transformation matrix
 * @param b an element of the transformation matrix
 * @param c an element of the transformation matrix
 * @param d an element of the transformation matrix
 * @param e an element of the transformation matrix
 * @param f an element of the transformation matrix
 * @param inlineImage <CODE>true</CODE> to place this image inline, <CODE>false</CODE> otherwise
 * @throws DocumentException on error
 */
public void addImage(Image image, float a, float b, float c, float d, float e, float f, boolean inlineImage) throws DocumentException {
    try {
        if (image.getLayer() != null)
            beginLayer(image.getLayer());
        if (image.isImgTemplate()) {
            writer.addDirectImageSimple(image);
            PdfTemplate template = image.getTemplateData();
            float w = template.getWidth();
            float h = template.getHeight();
            addTemplate(template, a / w, b / w, c / h, d / h, e, f);
        } else {
            content.append("q ");
            content.append(a).append(' ');
            content.append(b).append(' ');
            content.append(c).append(' ');
            content.append(d).append(' ');
            content.append(e).append(' ');
            content.append(f).append(" cm");
            if (inlineImage) {
                content.append("\nBI\n");
                PdfImage pimage = new PdfImage(image, "", null);
                if (image instanceof ImgJBIG2) {
                    byte[] globals = ((ImgJBIG2) image).getGlobalBytes();
                    if (globals != null) {
                        PdfDictionary decodeparms = new PdfDictionary();
                        decodeparms.put(PdfName.JBIG2GLOBALS, writer.getReferenceJBIG2Globals(globals));
                        pimage.put(PdfName.DECODEPARMS, decodeparms);
                    }
                }
                for (PdfName key : pimage.getKeys()) {
                    PdfObject value = pimage.get(key);
                    String s = abrev.get(key);
                    if (s == null)
                        continue;
                    content.append(s);
                    boolean check = true;
                    if (key.equals(PdfName.COLORSPACE) && value.isArray()) {
                        PdfArray ar = (PdfArray) value;
                        if (ar.size() == 4 && PdfName.INDEXED.equals(ar.getAsName(0)) && ar.getPdfObject(1).isName() && ar.getPdfObject(2).isNumber() && ar.getPdfObject(3).isString()) {
                            check = false;
                        }
                    }
                    if (check && key.equals(PdfName.COLORSPACE) && !value.isName()) {
                        PdfName cs = writer.getColorspaceName();
                        PageResources prs = getPageResources();
                        prs.addColor(cs, writer.addToBody(value).getIndirectReference());
                        value = cs;
                    }
                    value.toPdf(null, content);
                    content.append('\n');
                }
                content.append("ID\n");
                pimage.writeContent(content);
                content.append("\nEI\nQ").append_i(separator);
            } else {
                PdfName name;
                PageResources prs = getPageResources();
                Image maskImage = image.getImageMask();
                if (maskImage != null) {
                    name = writer.addDirectImageSimple(maskImage);
                    prs.addXObject(name, writer.getImageReference(name));
                }
                name = writer.addDirectImageSimple(image);
                name = prs.addXObject(name, writer.getImageReference(name));
                content.append(' ').append(name.getBytes()).append(" Do Q").append_i(separator);
            }
        }
        if (image.hasBorders()) {
            saveState();
            float w = image.getWidth();
            float h = image.getHeight();
            concatCTM(a / w, b / w, c / h, d / h, e, f);
            rectangle(image);
            restoreState();
        }
        if (image.getLayer() != null)
            endLayer();
        Annotation annot = image.getAnnotation();
        if (annot == null)
            return;
        float[] r = new float[unitRect.length];
        for (int k = 0; k < unitRect.length; k += 2) {
            r[k] = a * unitRect[k] + c * unitRect[k + 1] + e;
            r[k + 1] = b * unitRect[k] + d * unitRect[k + 1] + f;
        }
        float llx = r[0];
        float lly = r[1];
        float urx = llx;
        float ury = lly;
        for (int k = 2; k < r.length; k += 2) {
            llx = Math.min(llx, r[k]);
            lly = Math.min(lly, r[k + 1]);
            urx = Math.max(urx, r[k]);
            ury = Math.max(ury, r[k + 1]);
        }
        annot = new Annotation(annot);
        annot.setDimensions(llx, lly, urx, ury);
        PdfAnnotation an = PdfAnnotationsImp.convertAnnotation(writer, annot, new Rectangle(llx, lly, urx, ury));
        if (an == null)
            return;
        addAnnotation(an);
    } catch (Exception ee) {
        throw new DocumentException(ee);
    }
}

Example 2 with ImgJBIG2

use of com.lowagie.text.ImgJBIG2 in project OpenPDF by LibrePDF.

the class PdfWriter method addDirectImageSimple.

/**
 * Adds an image to the document but not to the page resources.
 * It is used with templates and <CODE>Document.add(Image)</CODE>.
 * Use this method only if you know what you're doing!
 * @param image the <CODE>Image</CODE> to add
 * @param fixedRef the reference to used. It may be <CODE>null</CODE>,
 * a <CODE>PdfIndirectReference</CODE> or a <CODE>PRIndirectReference</CODE>.
 * @return the name of the image added
 * @throws PdfException on error
 * @throws DocumentException on error
 */
public PdfName addDirectImageSimple(Image image, PdfIndirectReference fixedRef) throws DocumentException {
    PdfName name;
    // if the images is already added, just retrieve the name
    if (images.containsKey(image.getMySerialId())) {
        name = images.get(image.getMySerialId());
    } else // if it's a new image, add it to the document
    {
        if (image.isImgTemplate()) {
            name = new PdfName("img" + images.size());
            if (image instanceof ImgWMF) {
                try {
                    ImgWMF wmf = (ImgWMF) image;
                    wmf.readWMF(PdfTemplate.createTemplate(this, 0, 0));
                } catch (Exception e) {
                    throw new DocumentException(e);
                }
            }
        } else {
            PdfIndirectReference dref = image.getDirectReference();
            if (dref != null) {
                PdfName rname = new PdfName("img" + images.size());
                images.put(image.getMySerialId(), rname);
                imageDictionary.put(rname, dref);
                return rname;
            }
            Image maskImage = image.getImageMask();
            PdfIndirectReference maskRef = null;
            if (maskImage != null) {
                PdfName mname = images.get(maskImage.getMySerialId());
                maskRef = getImageReference(mname);
            }
            PdfImage i = new PdfImage(image, "img" + images.size(), maskRef);
            if (image instanceof ImgJBIG2) {
                byte[] globals = ((ImgJBIG2) image).getGlobalBytes();
                if (globals != null) {
                    PdfDictionary decodeparms = new PdfDictionary();
                    decodeparms.put(PdfName.JBIG2GLOBALS, getReferenceJBIG2Globals(globals));
                    i.put(PdfName.DECODEPARMS, decodeparms);
                }
            }
            if (image.hasICCProfile()) {
                PdfICCBased icc = new PdfICCBased(image.getICCProfile(), image.getCompressionLevel());
                PdfIndirectReference iccRef = add(icc);
                PdfArray iccArray = new PdfArray();
                iccArray.add(PdfName.ICCBASED);
                iccArray.add(iccRef);
                PdfArray colorspace = i.getAsArray(PdfName.COLORSPACE);
                if (colorspace != null) {
                    if (colorspace.size() > 1 && PdfName.INDEXED.equals(colorspace.getPdfObject(0)))
                        colorspace.set(1, iccArray);
                    else
                        i.put(PdfName.COLORSPACE, iccArray);
                } else
                    i.put(PdfName.COLORSPACE, iccArray);
            }
            add(i, fixedRef);
            name = i.name();
        }
        images.put(image.getMySerialId(), name);
    }
    return name;
}

Example 3 with ImgJBIG2

use of com.lowagie.text.ImgJBIG2 in project itext2 by albfernandez.

the class PdfWriter method addDirectImageSimple.

/**
 * Adds an image to the document but not to the page resources.
 * It is used with templates and <CODE>Document.add(Image)</CODE>.
 * Use this method only if you know what you're doing!
 * @param image the <CODE>Image</CODE> to add
 * @param fixedRef the reference to used. It may be <CODE>null</CODE>,
 * a <CODE>PdfIndirectReference</CODE> or a <CODE>PRIndirectReference</CODE>.
 * @return the name of the image added
 * @throws PdfException on error
 * @throws DocumentException on error
 */
public PdfName addDirectImageSimple(Image image, PdfIndirectReference fixedRef) throws PdfException, DocumentException {
    PdfName name;
    // if the images is already added, just retrieve the name
    if (images.containsKey(image.getMySerialId())) {
        name = (PdfName) images.get(image.getMySerialId());
    } else // if it's a new image, add it to the document
    {
        if (image.isImgTemplate()) {
            name = new PdfName("img" + images.size());
            if (image instanceof ImgWMF) {
                try {
                    ImgWMF wmf = (ImgWMF) image;
                    wmf.readWMF(PdfTemplate.createTemplate(this, 0, 0));
                } catch (Exception e) {
                    throw new DocumentException(e);
                }
            }
        } else {
            PdfIndirectReference dref = image.getDirectReference();
            if (dref != null) {
                PdfName rname = new PdfName("img" + images.size());
                images.put(image.getMySerialId(), rname);
                imageDictionary.put(rname, dref);
                return rname;
            }
            Image maskImage = image.getImageMask();
            PdfIndirectReference maskRef = null;
            if (maskImage != null) {
                PdfName mname = (PdfName) images.get(maskImage.getMySerialId());
                maskRef = getImageReference(mname);
            }
            PdfImage i = new PdfImage(image, "img" + images.size(), maskRef);
            if (image instanceof ImgJBIG2) {
                byte[] globals = ((ImgJBIG2) image).getGlobalBytes();
                if (globals != null) {
                    PdfDictionary decodeparms = new PdfDictionary();
                    decodeparms.put(PdfName.JBIG2GLOBALS, getReferenceJBIG2Globals(globals));
                    i.put(PdfName.DECODEPARMS, decodeparms);
                }
            }
            if (image.hasICCProfile()) {
                PdfICCBased icc = new PdfICCBased(image.getICCProfile(), image.getCompressionLevel());
                PdfIndirectReference iccRef = add(icc);
                PdfArray iccArray = new PdfArray();
                iccArray.add(PdfName.ICCBASED);
                iccArray.add(iccRef);
                PdfArray colorspace = i.getAsArray(PdfName.COLORSPACE);
                if (colorspace != null) {
                    if (colorspace.size() > 1 && PdfName.INDEXED.equals(colorspace.getPdfObject(0)))
                        colorspace.set(1, iccArray);
                    else
                        i.put(PdfName.COLORSPACE, iccArray);
                } else
                    i.put(PdfName.COLORSPACE, iccArray);
            }
            add(i, fixedRef);
            name = i.name();
        }
        images.put(image.getMySerialId(), name);
    }
    return name;
}

Example 4 with ImgJBIG2

use of com.lowagie.text.ImgJBIG2 in project itext2 by albfernandez.

the class PdfContentByte method addImage.

/**
 * Adds an <CODE>Image</CODE> to the page. The positioning of the <CODE>Image</CODE>
 * is done with the transformation matrix. To position an <CODE>image</CODE> at (x,y)
 * use addImage(image, image_width, 0, 0, image_height, x, y). The image can be placed inline.
 * @param image the <CODE>Image</CODE> object
 * @param a an element of the transformation matrix
 * @param b an element of the transformation matrix
 * @param c an element of the transformation matrix
 * @param d an element of the transformation matrix
 * @param e an element of the transformation matrix
 * @param f an element of the transformation matrix
 * @param inlineImage <CODE>true</CODE> to place this image inline, <CODE>false</CODE> otherwise
 * @throws DocumentException on error
 */
public void addImage(Image image, float a, float b, float c, float d, float e, float f, boolean inlineImage) throws DocumentException {
    try {
        if (image.getLayer() != null)
            beginLayer(image.getLayer());
        if (image.isImgTemplate()) {
            writer.addDirectImageSimple(image);
            PdfTemplate template = image.getTemplateData();
            float w = template.getWidth();
            float h = template.getHeight();
            addTemplate(template, a / w, b / w, c / h, d / h, e, f);
        } else {
            content.append("q ");
            content.append(a).append(' ');
            content.append(b).append(' ');
            content.append(c).append(' ');
            content.append(d).append(' ');
            content.append(e).append(' ');
            content.append(f).append(" cm");
            if (inlineImage) {
                content.append("\nBI\n");
                PdfImage pimage = new PdfImage(image, "", null);
                if (image instanceof ImgJBIG2) {
                    byte[] globals = ((ImgJBIG2) image).getGlobalBytes();
                    if (globals != null) {
                        PdfDictionary decodeparms = new PdfDictionary();
                        decodeparms.put(PdfName.JBIG2GLOBALS, writer.getReferenceJBIG2Globals(globals));
                        pimage.put(PdfName.DECODEPARMS, decodeparms);
                    }
                }
                for (Iterator it = pimage.getKeys().iterator(); it.hasNext(); ) {
                    PdfName key = (PdfName) it.next();
                    PdfObject value = pimage.get(key);
                    String s = (String) abrev.get(key);
                    if (s == null)
                        continue;
                    content.append(s);
                    boolean check = true;
                    if (key.equals(PdfName.COLORSPACE) && value.isArray()) {
                        PdfArray ar = (PdfArray) value;
                        if (ar.size() == 4 && PdfName.INDEXED.equals(ar.getAsName(0)) && ar.getPdfObject(1).isName() && ar.getPdfObject(2).isNumber() && ar.getPdfObject(3).isString()) {
                            check = false;
                        }
                    }
                    if (check && key.equals(PdfName.COLORSPACE) && !value.isName()) {
                        PdfName cs = writer.getColorspaceName();
                        PageResources prs = getPageResources();
                        prs.addColor(cs, writer.addToBody(value).getIndirectReference());
                        value = cs;
                    }
                    value.toPdf(null, content);
                    content.append('\n');
                }
                content.append("ID\n");
                pimage.writeContent(content);
                content.append("\nEI\nQ").append_i(separator);
            } else {
                PdfName name;
                PageResources prs = getPageResources();
                Image maskImage = image.getImageMask();
                if (maskImage != null) {
                    name = writer.addDirectImageSimple(maskImage);
                    prs.addXObject(name, writer.getImageReference(name));
                }
                name = writer.addDirectImageSimple(image);
                name = prs.addXObject(name, writer.getImageReference(name));
                content.append(' ').append(name.getBytes()).append(" Do Q").append_i(separator);
            }
        }
        if (image.hasBorders()) {
            saveState();
            float w = image.getWidth();
            float h = image.getHeight();
            concatCTM(a / w, b / w, c / h, d / h, e, f);
            rectangle(image);
            restoreState();
        }
        if (image.getLayer() != null)
            endLayer();
        Annotation annot = image.getAnnotation();
        if (annot == null)
            return;
        float[] r = new float[unitRect.length];
        for (int k = 0; k < unitRect.length; k += 2) {
            r[k] = a * unitRect[k] + c * unitRect[k + 1] + e;
            r[k + 1] = b * unitRect[k] + d * unitRect[k + 1] + f;
        }
        float llx = r[0];
        float lly = r[1];
        float urx = llx;
        float ury = lly;
        for (int k = 2; k < r.length; k += 2) {
            llx = Math.min(llx, r[k]);
            lly = Math.min(lly, r[k + 1]);
            urx = Math.max(urx, r[k]);
            ury = Math.max(ury, r[k + 1]);
        }
        annot = new Annotation(annot);
        annot.setDimensions(llx, lly, urx, ury);
        PdfAnnotation an = PdfAnnotationsImp.convertAnnotation(writer, annot, new Rectangle(llx, lly, urx, ury));
        if (an == null)
            return;
        addAnnotation(an);
    } catch (Exception ee) {
        throw new DocumentException(ee);
    }
}

Example 5 with ImgJBIG2

use of com.lowagie.text.ImgJBIG2 in project itext2 by albfernandez.

the class JBIG2Image method getJbig2Image.

/**
 * returns an Image representing the given page.
 * @param ra	the file or array containing the image
 * @param page	the page number of the image
 * @return	an Image object
 */
public static Image getJbig2Image(RandomAccessFileOrArray ra, int page) {
    if (page < 1)
        throw new IllegalArgumentException("The page number must be >= 1.");
    try {
        JBIG2SegmentReader sr = new JBIG2SegmentReader(ra);
        sr.read();
        JBIG2SegmentReader.JBIG2Page p = sr.getPage(page);
        Image img = new ImgJBIG2(p.pageBitmapWidth, p.pageBitmapHeight, p.getData(true), sr.getGlobal(true));
        return img;
    } catch (Exception e) {
        throw new ExceptionConverter(e);
    }
}