Package com.lowagie.text

Examples of com.lowagie.text.LwgImage


     */

    public float remainingHeight() {
        float result = 0f;
        for (Iterator i = images.iterator(); i.hasNext();) {
            LwgImage image = (LwgImage) i.next();
            result += image.getScaledHeight();
        }
        return remainingLinesHeight() + cellspacing + 2 * cellpadding + result;
    }
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                    byte b[] = new byte[(tsize * 2) - (in.getLength() - lenMarker)];
                    for (int k = 0; k < b.length; ++k)
                        b[k] = (byte)in.readByte();
                    try {
                        ByteArrayInputStream inb = new ByteArrayInputStream(b);
                        LwgImage bmp = BmpImage.getImage(inb, true, b.length);
                        cb.saveState();
                        cb.rectangle(xDest, yDest, destWidth, destHeight);
                        cb.clip();
                        cb.newPath();
                        bmp.scaleAbsolute(destWidth * bmp.getWidth() / srcWidth, -destHeight * bmp.getHeight() / srcHeight);
                        bmp.setAbsolutePosition(xDest - destWidth * xSrc / srcWidth, yDest + destHeight * ySrc / srcHeight - bmp.getScaledHeight());
                        cb.addImage(bmp);
                        cb.restoreState();
                    }
                    catch (Exception e) {
                        // empty on purpose
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                    rotation = (float)(Math.PI / 2.0);
                else if (rot == TIFFConstants.ORIENTATION_RIGHTTOP || rot == TIFFConstants.ORIENTATION_RIGHTBOT)
                    rotation = -(float)(Math.PI / 2.0);
            }

            LwgImage img = null;
            long tiffT4Options = 0;
            long tiffT6Options = 0;
            int fillOrder = 1;
            int h = (int)dir.getFieldAsLong(TIFFConstants.TIFFTAG_IMAGELENGTH);
            int w = (int)dir.getFieldAsLong(TIFFConstants.TIFFTAG_IMAGEWIDTH);
            int dpiX = 0;
            int dpiY = 0;
            float XYRatio = 0;
            int resolutionUnit = TIFFConstants.RESUNIT_INCH;
            if (dir.isTagPresent(TIFFConstants.TIFFTAG_RESOLUTIONUNIT))
                resolutionUnit = (int)dir.getFieldAsLong(TIFFConstants.TIFFTAG_RESOLUTIONUNIT);
            dpiX = getDpi(dir.getField(TIFFConstants.TIFFTAG_XRESOLUTION), resolutionUnit);
            dpiY = getDpi(dir.getField(TIFFConstants.TIFFTAG_YRESOLUTION), resolutionUnit);
            if (resolutionUnit == TIFFConstants.RESUNIT_NONE) {
                if (dpiY != 0)
                    XYRatio = (float)dpiX / (float)dpiY;
                dpiX = 0;
                dpiY = 0;
            }
            int rowsStrip = h;
            if (dir.isTagPresent(TIFFConstants.TIFFTAG_ROWSPERSTRIP))
                rowsStrip = (int)dir.getFieldAsLong(TIFFConstants.TIFFTAG_ROWSPERSTRIP);
            if (rowsStrip <= 0 || rowsStrip > h)
                rowsStrip = h;
            long offset[] = getArrayLongShort(dir, TIFFConstants.TIFFTAG_STRIPOFFSETS);
            long size[] = getArrayLongShort(dir, TIFFConstants.TIFFTAG_STRIPBYTECOUNTS);
            if ((size == null || (size.length == 1 && (size[0] == 0 || size[0] + offset[0] > s.length()))) && h == rowsStrip) { // some TIFF producers are really lousy, so...
                size = new long[]{s.length() - (int)offset[0]};
            }
            boolean reverse = false;
            TIFFField fillOrderField =  dir.getField(TIFFConstants.TIFFTAG_FILLORDER);
            if (fillOrderField != null)
                fillOrder = fillOrderField.getAsInt(0);
            reverse = (fillOrder == TIFFConstants.FILLORDER_LSB2MSB);
            int params = 0;
            if (dir.isTagPresent(TIFFConstants.TIFFTAG_PHOTOMETRIC)) {
                long photo = dir.getFieldAsLong(TIFFConstants.TIFFTAG_PHOTOMETRIC);
                if (photo == TIFFConstants.PHOTOMETRIC_MINISBLACK)
                    params |= LwgImage.CCITT_BLACKIS1;
            }
            int imagecomp = 0;
            switch (compression) {
                case TIFFConstants.COMPRESSION_CCITTRLEW:
                case TIFFConstants.COMPRESSION_CCITTRLE:
                    imagecomp = LwgImage.CCITTG3_1D;
                    params |= LwgImage.CCITT_ENCODEDBYTEALIGN | LwgImage.CCITT_ENDOFBLOCK;
                    break;
                case TIFFConstants.COMPRESSION_CCITTFAX3:
                    imagecomp = LwgImage.CCITTG3_1D;
                    params |= LwgImage.CCITT_ENDOFLINE | LwgImage.CCITT_ENDOFBLOCK;
                    TIFFField t4OptionsField = dir.getField(TIFFConstants.TIFFTAG_GROUP3OPTIONS);
                    if (t4OptionsField != null) {
                        tiffT4Options = t4OptionsField.getAsLong(0);
                    if ((tiffT4Options & TIFFConstants.GROUP3OPT_2DENCODING) != 0)
                        imagecomp = LwgImage.CCITTG3_2D;
                    if ((tiffT4Options & TIFFConstants.GROUP3OPT_FILLBITS) != 0)
                        params |= LwgImage.CCITT_ENCODEDBYTEALIGN;
                    }
                    break;
                case TIFFConstants.COMPRESSION_CCITTFAX4:
                    imagecomp = LwgImage.CCITTG4;
                    TIFFField t6OptionsField = dir.getField(TIFFConstants.TIFFTAG_GROUP4OPTIONS);
                    if (t6OptionsField != null)
                        tiffT6Options = t6OptionsField.getAsLong(0);
                    break;
            }
            if (direct && rowsStrip == h) { //single strip, direct
                byte im[] = new byte[(int)size[0]];
                s.seek(offset[0]);
                s.readFully(im);
                img = LwgImage.getInstance(w, h, false, imagecomp, params, im);
                img.setInverted(true);
            }
            else {
                int rowsLeft = h;
                CCITTG4Encoder g4 = new CCITTG4Encoder(w);
                for (int k = 0; k < offset.length; ++k) {
                    byte im[] = new byte[(int)size[k]];
                    s.seek(offset[k]);
                    s.readFully(im);
                    int height = Math.min(rowsStrip, rowsLeft);
                    TIFFFaxDecoder decoder = new TIFFFaxDecoder(fillOrder, w, height);
                    byte outBuf[] = new byte[(w + 7) / 8 * height];
                    switch (compression) {
                        case TIFFConstants.COMPRESSION_CCITTRLEW:
                        case TIFFConstants.COMPRESSION_CCITTRLE:
                            decoder.decode1D(outBuf, im, 0, height);
                            g4.fax4Encode(outBuf,height);
                            break;
                        case TIFFConstants.COMPRESSION_CCITTFAX3:
                            try {
                                decoder.decode2D(outBuf, im, 0, height, tiffT4Options);
                            }
                            catch (RuntimeException e) {
                                // let's flip the fill bits and try again...
                                tiffT4Options ^= TIFFConstants.GROUP3OPT_FILLBITS;
                                try {
                                    decoder.decode2D(outBuf, im, 0, height, tiffT4Options);
                                }
                                catch (RuntimeException e2) {
                                    throw e;
                                }
                            }
                            g4.fax4Encode(outBuf, height);
                            break;
                        case TIFFConstants.COMPRESSION_CCITTFAX4:
                            decoder.decodeT6(outBuf, im, 0, height, tiffT6Options);
                            g4.fax4Encode(outBuf, height);
                            break;
                    }
                    rowsLeft -= rowsStrip;
                }
                byte g4pic[] = g4.close();
                img = LwgImage.getInstance(w, h, false, LwgImage.CCITTG4, params & LwgImage.CCITT_BLACKIS1, g4pic);
            }
            img.setDpi(dpiX, dpiY);
            img.setXYRatio(XYRatio);
            if (dir.isTagPresent(TIFFConstants.TIFFTAG_ICCPROFILE)) {
                try {
                    TIFFField fd = dir.getField(TIFFConstants.TIFFTAG_ICCPROFILE);
                    ICC_Profile icc_prof = ICC_Profile.getInstance(fd.getAsBytes());
                    if (icc_prof.getNumComponents() == 1)
                        img.tagICC(icc_prof);
                }
                catch (RuntimeException e) {
                    //empty
                }
            }
            img.setOriginalType(LwgImage.ORIGINAL_TIFF);
            if (rotation != 0)
                img.setInitialRotation(rotation);
            return img;
        }
        catch (Exception e) {
            throw new ExceptionConverter(e);
        }
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                case 8:
                    break;
                default:
                    throw new IllegalArgumentException(MessageLocalization.getComposedMessage("bits.per.sample.1.is.not.supported", bitsPerSample));
            }
            LwgImage img = null;

            int h = (int)dir.getFieldAsLong(TIFFConstants.TIFFTAG_IMAGELENGTH);
            int w = (int)dir.getFieldAsLong(TIFFConstants.TIFFTAG_IMAGEWIDTH);
            int dpiX = 0;
            int dpiY = 0;
            int resolutionUnit = TIFFConstants.RESUNIT_INCH;
            if (dir.isTagPresent(TIFFConstants.TIFFTAG_RESOLUTIONUNIT))
                resolutionUnit = (int)dir.getFieldAsLong(TIFFConstants.TIFFTAG_RESOLUTIONUNIT);
            dpiX = getDpi(dir.getField(TIFFConstants.TIFFTAG_XRESOLUTION), resolutionUnit);
            dpiY = getDpi(dir.getField(TIFFConstants.TIFFTAG_YRESOLUTION), resolutionUnit);
            int fillOrder = 1;
            boolean reverse = false;
            TIFFField fillOrderField =  dir.getField(TIFFConstants.TIFFTAG_FILLORDER);
            if (fillOrderField != null)
                fillOrder = fillOrderField.getAsInt(0);
            reverse = (fillOrder == TIFFConstants.FILLORDER_LSB2MSB);
            int rowsStrip = h;
            if (dir.isTagPresent(TIFFConstants.TIFFTAG_ROWSPERSTRIP)) //another hack for broken tiffs
                rowsStrip = (int)dir.getFieldAsLong(TIFFConstants.TIFFTAG_ROWSPERSTRIP);
            if (rowsStrip <= 0 || rowsStrip > h)
                rowsStrip = h;
            long offset[] = getArrayLongShort(dir, TIFFConstants.TIFFTAG_STRIPOFFSETS);
            long size[] = getArrayLongShort(dir, TIFFConstants.TIFFTAG_STRIPBYTECOUNTS);
            if ((size == null || (size.length == 1 && (size[0] == 0 || size[0] + offset[0] > s.length()))) && h == rowsStrip) { // some TIFF producers are really lousy, so...
                size = new long[]{s.length() - (int)offset[0]};
            }
            if (compression == TIFFConstants.COMPRESSION_LZW) {
                TIFFField predictorField = dir.getField(TIFFConstants.TIFFTAG_PREDICTOR);
                if (predictorField != null) {
                    predictor = predictorField.getAsInt(0);
                    if (predictor != 1 && predictor != 2) {
                        throw new RuntimeException(MessageLocalization.getComposedMessage("illegal.value.for.predictor.in.tiff.file"));
                    }
                    if (predictor == 2 && bitsPerSample != 8) {
                        throw new RuntimeException(MessageLocalization.getComposedMessage("1.bit.samples.are.not.supported.for.horizontal.differencing.predictor", bitsPerSample));
                    }
                }
                lzwDecoder = new TIFFLZWDecoder(w, predictor,
                                                samplePerPixel);
            }
            int rowsLeft = h;
            ByteArrayOutputStream stream = null;
            DeflaterOutputStream zip = null;
            CCITTG4Encoder g4 = null;
            if (bitsPerSample == 1 && samplePerPixel == 1) {
                g4 = new CCITTG4Encoder(w);
            }
            else {
                stream = new ByteArrayOutputStream();
                if (compression != TIFFConstants.COMPRESSION_OJPEG && compression != TIFFConstants.COMPRESSION_JPEG)
                    zip = new DeflaterOutputStream(stream);
            }
            if (compression == TIFFConstants.COMPRESSION_OJPEG) {
               
                // Assume that the TIFFTAG_JPEGIFBYTECOUNT tag is optional, since it's obsolete and
                // is often missing

                if ((!dir.isTagPresent(TIFFConstants.TIFFTAG_JPEGIFOFFSET))) {
                    throw new IOException(MessageLocalization.getComposedMessage("missing.tag.s.for.ojpeg.compression"));
                }
                int jpegOffset = (int)dir.getFieldAsLong(TIFFConstants.TIFFTAG_JPEGIFOFFSET);
                int jpegLength = s.length() - jpegOffset;

                if (dir.isTagPresent(TIFFConstants.TIFFTAG_JPEGIFBYTECOUNT)) {
                    jpegLength = (int)dir.getFieldAsLong(TIFFConstants.TIFFTAG_JPEGIFBYTECOUNT) +
                        (int)size[0];
                }
               
                byte[] jpeg = new byte[Math.min(jpegLength, s.length() - jpegOffset)];

                int posFilePointer = s.getFilePointer();
                posFilePointer += jpegOffset;
                s.seek(posFilePointer);
                s.readFully(jpeg);
                img = new Jpeg(jpeg);
            }
            else if (compression == TIFFConstants.COMPRESSION_JPEG) {
                if (size.length > 1)
                    throw new IOException(MessageLocalization.getComposedMessage("compression.jpeg.is.only.supported.with.a.single.strip.this.image.has.1.strips", size.length));
                byte[] jpeg = new byte[(int)size[0]];
                s.seek(offset[0]);
                s.readFully(jpeg);
                img = new Jpeg(jpeg);
            }
            else {
                for (int k = 0; k < offset.length; ++k) {
                    byte im[] = new byte[(int)size[k]];
                    s.seek(offset[k]);
                    s.readFully(im);
                    int height = Math.min(rowsStrip, rowsLeft);
                    byte outBuf[] = null;
                    if (compression != TIFFConstants.COMPRESSION_NONE)
                        outBuf = new byte[(w * bitsPerSample * samplePerPixel + 7) / 8 * height];
                    if (reverse)
                        TIFFFaxDecoder.reverseBits(im);
                    switch (compression) {
                        case TIFFConstants.COMPRESSION_DEFLATE:
                        case TIFFConstants.COMPRESSION_ADOBE_DEFLATE:
                            inflate(im, outBuf);
                            break;
                        case TIFFConstants.COMPRESSION_NONE:
                            outBuf = im;
                            break;
                        case TIFFConstants.COMPRESSION_PACKBITS:
                            decodePackbits(im,  outBuf);
                            break;
                        case TIFFConstants.COMPRESSION_LZW:
                            lzwDecoder.decode(im, outBuf, height);
                            break;
                    }
                    if (bitsPerSample == 1 && samplePerPixel == 1) {
                        g4.fax4Encode(outBuf, height);
                    }
                    else {
                        zip.write(outBuf);
                    }
                    rowsLeft -= rowsStrip;
                }
                if (bitsPerSample == 1 && samplePerPixel == 1) {
                    img = LwgImage.getInstance(w, h, false, LwgImage.CCITTG4,
                        photometric == TIFFConstants.PHOTOMETRIC_MINISBLACK ? LwgImage.CCITT_BLACKIS1 : 0, g4.close());
                }
                else {
                    zip.close();
                    img = LwgImage.getInstance(w, h, samplePerPixel, bitsPerSample, stream.toByteArray());
                    img.setDeflated(true);
                }
            }
            img.setDpi(dpiX, dpiY);
            if (compression != TIFFConstants.COMPRESSION_OJPEG && compression != TIFFConstants.COMPRESSION_JPEG) {
                if (dir.isTagPresent(TIFFConstants.TIFFTAG_ICCPROFILE)) {
                    try {
                        TIFFField fd = dir.getField(TIFFConstants.TIFFTAG_ICCPROFILE);
                        ICC_Profile icc_prof = ICC_Profile.getInstance(fd.getAsBytes());
                        if (samplePerPixel == icc_prof.getNumComponents())
                            img.tagICC(icc_prof);
                    }
                    catch (RuntimeException e) {
                        //empty
                    }
                }
                if (dir.isTagPresent(TIFFConstants.TIFFTAG_COLORMAP)) {
                    TIFFField fd = dir.getField(TIFFConstants.TIFFTAG_COLORMAP);
                    char rgb[] = fd.getAsChars();
                    byte palette[] = new byte[rgb.length];
                    int gColor = rgb.length / 3;
                    int bColor = gColor * 2;
                    for (int k = 0; k < gColor; ++k) {
                        palette[k * 3] = (byte)(rgb[k] >>> 8);
                        palette[k * 3 + 1] = (byte)(rgb[k + gColor] >>> 8);
                        palette[k * 3 + 2] = (byte)(rgb[k + bColor] >>> 8);
                    }
                    PdfArray indexed = new PdfArray();
                    indexed.add(PdfName.INDEXED);
                    indexed.add(PdfName.DEVICERGB);
                    indexed.add(new PdfNumber(gColor - 1));
                    indexed.add(new PdfString(palette));
                    PdfDictionary additional = new PdfDictionary();
                    additional.put(PdfName.COLORSPACE, indexed);
                    img.setAdditional(additional);
                }
                img.setOriginalType(LwgImage.ORIGINAL_TIFF);
            }
            if (photometric == TIFFConstants.PHOTOMETRIC_MINISWHITE)
                img.setInverted(true);
            if (rotation != 0)
                img.setInitialRotation(rotation);
            return img;
        }
        catch (Exception e) {
            throw new ExceptionConverter(e);
        }
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          new GfrFileOutputStream("com.lowagie.examples.objects.tables.pdfptable.CellEvents.pdf"));
      // step3
      document.open();
      // step4
      CellEvents event = new CellEvents();
      LwgImage im = LwgImage.getInstance("otsoe.jpg");
      im.setRotationDegrees(30);
      LwgPdfPTable table = new LwgPdfPTable(4);
      table.add("text 1");
      LwgPdfPCell cell = new LwgPdfPCell(im, true);
      cell.setCellEvent(event);
      table.add(cell);
      table.add("text 3");
      im.setRotationDegrees(0);
      table.add(im);
      table.setTotalWidth(300);
      PdfContentByte cb = writer.getDirectContent();
      table.writeSelectedRows(0, -1, 50, 600, cb);
      table.setHeaderRows(3);
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        }
        boolean skipZero = decodeImageData();   // decode pixel data
        if (!skipZero)
            skip();
       
        LwgImage img = null;
        try {
            img = new ImgRaw(iw, ih, 1, m_bpc, m_out);
            PdfArray colorspace = new PdfArray();
            colorspace.add(PdfName.INDEXED);
            colorspace.add(PdfName.DEVICERGB);
            int len = m_curr_table.length;
            colorspace.add(new PdfNumber(len / 3 - 1));
            colorspace.add(new PdfString(m_curr_table));
            PdfDictionary ad = new PdfDictionary();
            ad.put(PdfName.COLORSPACE, colorspace);
            img.setAdditional(ad);
            if (transparency) {
                img.setTransparency(new int[]{transIndex, transIndex});
            }
        }
        catch (Exception e) {
            throw new ExceptionConverter(e);
        }
        img.setOriginalType(LwgImage.ORIGINAL_GIF);
        img.setOriginalData(fromData);
        img.setUrl(fromUrl);
        GifFrame gf = new GifFrame();
        gf.image = img;
        gf.ix = ix;
        gf.iy = iy;
        frames.add(gf);   // add image to frame list
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    try {
      JBIG2SegmentReader sr = new JBIG2SegmentReader(ra);
      sr.read();
      JBIG2SegmentReader.JBIG2Page p = sr.getPage(page);
      LwgImage img = new ImgJBIG2(p.pageBitmapWidth, p.pageBitmapHeight, p.getData(true), sr.getGlobal(true));
      return img;
    } catch (Exception e) {
          throw new ExceptionConverter(e);
      }
  }
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     */   
    public static LwgImage getImage(URL url) throws IOException {
        InputStream is = null;
        try {
            is = url.openStream();
            LwgImage img = getImage(is);
            img.setUrl(url);
            return img;
        }
        finally {
            if (is != null) {
                is.close();
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     * @return the image
     */   
    public static LwgImage getImage(InputStream is, boolean noHeader, int size) throws IOException {
        BmpImage bmp = new BmpImage(is, noHeader, size);
        try {
            LwgImage img = bmp.getImage();
            img.setDpi((int)(bmp.xPelsPerMeter * 0.0254d + 0.5d), (int)(bmp.yPelsPerMeter * 0.0254d + 0.5d));
            img.setOriginalType(LwgImage.ORIGINAL_BMP);
            return img;
        }
        catch (BadElementException be) {
            throw new ExceptionConverter(be);
        }
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     * @throws IOException on error
     * @return the image
     */   
    public static LwgImage getImage(byte data[]) throws IOException {
        ByteArrayInputStream is = new ByteArrayInputStream(data);
        LwgImage img = getImage(is);
        img.setOriginalData(data);
        return img;
    }
View Full Code Here

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