Examples of com.lowagie.text.Image

com.lowagie.text.Image
An Image is the representation of a graphic element (JPEG, PNG or GIF) that has to be inserted into the document @see Element @see Rectangle

            else if (render == SignatureRenderGraphicAndDescription) {
                ColumnText ct2 = new ColumnText(t);
                ct2.setRunDirection(runDirection);
                ct2.setSimpleColumn(signatureRect.getLeft(), signatureRect.getBottom(), signatureRect.getRight(), signatureRect.getTop(), 0, Element.ALIGN_RIGHT);


                Image im = Image.getInstance(signatureGraphic);
                im.scaleToFit(signatureRect.getWidth(), signatureRect.getHeight());


                Paragraph p = new Paragraph();
                // must calculate the point to draw from to make image appear in middle of column
                float x = 0;
                // experimentation found this magic number to counteract Adobe's signature graphic, which
                // offsets the y co-ordinate by 15 units
                float y = -im.getScaledHeight() + 15;


                x = x + (signatureRect.getWidth() - im.getScaledWidth()) / 2;
                y = y - (signatureRect.getHeight() - im.getScaledHeight()) / 2;
                p.add(new Chunk(im, x + (signatureRect.getWidth() - im.getScaledWidth()) / 2, y, false));
                ct2.addElement(p);
                ct2.go();
            }
            
            if (size <= 0) {

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     */    
    public void addElement(Element element) {
        if (element == null)
            return;
        if (element instanceof Image) {
            Image img = (Image)element;
            PdfPTable t = new PdfPTable(1);
            float w = img.getWidthPercentage();
            if (w == 0) {
                t.setTotalWidth(img.getScaledWidth());
                t.setLockedWidth(true);
            }
            else
                t.setWidthPercentage(w);
            t.setSpacingAfter(img.getSpacingAfter());
            t.setSpacingBefore(img.getSpacingBefore());
            switch (img.getAlignment()) {
                case Image.LEFT:
                    t.setHorizontalAlignment(Element.ALIGN_LEFT);
                    break;
                case Image.RIGHT:
                    t.setHorizontalAlignment(Element.ALIGN_RIGHT);
                    break;
                default:
                    t.setHorizontalAlignment(Element.ALIGN_CENTER);
                    break;
            }
            PdfPCell c = new PdfPCell(img, true);
            c.setPadding(0);
            c.setBorder(img.getBorder());
            c.setBorderColor(img.getBorderColor());
            c.setBorderWidth(img.getBorderWidth());
            c.setBackgroundColor(img.getBackgroundColor());
            t.addCell(c);
            element = t;
        }
        if (element.type() == Element.CHUNK) {
          element = new Paragraph((Chunk)element);

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                    }
                }
            }
        break;
        case PROPERTY_TYPE_IMAGE:
            Image image = (Image)this.value;
            RtfImage img = null;
            try {
                img = new RtfImage(this.doc, image);
            }
            catch (DocumentException de) {

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            cb.lineTo(370, 525);
            cb.moveTo(410, 525);
            cb.lineTo(410, 0);
            cb.stroke();
            if (getValue("front") != null) {
              Image front = (Image)getValue("front");
              front.scaleToFit(370, 525);
              front.setAbsolutePosition(410f + (370f - front.getScaledWidth()) / 2f, (525f - front.getScaledHeight()) / 2f);
              document.add(front);
            }
            if (getValue("back") != null) {
              Image back = (Image)getValue("back");
              back.scaleToFit(370, 525);
              back.setAbsolutePosition((370f - back.getScaledWidth()) / 2f, (525f - back.getScaledHeight()) / 2f);
              document.add(back);
            }
            if (getValue("side") != null) {
              Image side = (Image)getValue("side");
              side.scaleToFit(40, 525);
              side.setAbsolutePosition(370 + (40f - side.getScaledWidth()) / 2f, (525f - side.getScaledHeight()) / 2f);
              document.add(side);
            }


            // step 5: we close the document
            document.close();

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          }
        }


        // does it have image info?


        Image img = cell.getImage();
        if(img != null) {
            try {
        RtfBasicElement[] rtfElements = this.document.getMapper().mapElement(img);
        for (int i = 0; i < rtfElements.length; i++) {
          rtfElements[i].setInTable(true);

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     */    
    public static Image getImage(URL url) throws IOException {
        InputStream is = null;
        try {
            is = url.openStream();
            Image img = getImage(is);
            img.setUrl(url);
            return img;
        }
        finally {
            if (is != null) {
                is.close();

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     * @throws IOException on error
     * @return the image
     */    
    public static Image getImage(byte data[]) throws IOException {
        ByteArrayInputStream is = new ByteArrayInputStream(data);
        Image img = getImage(is);
        img.setOriginalData(data);
        return img;
    }

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            if ((colorType & 4) != 0)
                --components;
            int bpc = bitDepth;
            if (bpc == 16)
                bpc = 8;
            Image img;
            if (image != null) {
                if (colorType == 3)
                    img = new ImgRaw(width, height, components, bpc, image);
                else
                    img = Image.getInstance(width, height, components, bpc, image);
            }
            else {
                img = new ImgRaw(width, height, components, bpc, idat.toByteArray());
                img.setDeflated(true);
                PdfDictionary decodeparms = new PdfDictionary();
                decodeparms.put(PdfName.BITSPERCOMPONENT, new PdfNumber(bitDepth));
                decodeparms.put(PdfName.PREDICTOR, new PdfNumber(15));
                decodeparms.put(PdfName.COLUMNS, new PdfNumber(width));
                decodeparms.put(PdfName.COLORS, new PdfNumber((colorType == 3 || (colorType & 2) == 0) ? 1 : 3));
                additional.put(PdfName.DECODEPARMS, decodeparms);
            }
            if (additional.get(PdfName.COLORSPACE) == null)
                additional.put(PdfName.COLORSPACE, getColorspace());
            if (intent != null)
                additional.put(PdfName.INTENT, intent);
            if (additional.size() > 0)
                img.setAdditional(additional);
            if (icc_profile != null)
                img.tagICC(icc_profile);
            if (palShades) {
                Image im2 = Image.getInstance(width, height, 1, 8, smask);
                im2.makeMask();
                img.setImageMask(im2);
            }
            if (genBWMask) {
                Image im2 = Image.getInstance(width, height, 1, 1, smask);
                im2.makeMask();
                img.setImageMask(im2);
            }
            img.setDpi(dpiX, dpiY);
            img.setXYRatio(XYRatio);
            img.setOriginalType(Image.ORIGINAL_PNG);

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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);
                        Image 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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        }
        boolean skipZero = decodeImageData();   // decode pixel data
        if (!skipZero)
            skip();
        
        Image 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(Image.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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