public static void displayImageInfo(ImageInfo info) { ImageSize size = info.getSize(); Dimension2D dPt = size.getDimensionPt(); Dimension dPx = size.getDimensionPx(); log.debug( info.getOriginalURI() + " " + info.getMimeType() + " " + Math.round(dPx.getWidth()) + "x" + Math.round(dPx.getHeight())); log.debug( "Resolution:" + Math.round(size.getDpiHorizontal()) + "x" + Math.round(size.getDpiVertical())); log.debug( "Print size: " + Math.round(dPt.getWidth() / 72) + "\" x" + Math.round(dPt.getHeight() / 72) + "\""); }
private ICC_Profile buildICCProfile( final ImageInfo info, final ColorSpace colorSpace, final ByteArrayOutputStream iccStream) throws IOException { if (iccStream != null && iccStream.size() > 0) { if (log.isDebugEnabled()) { log.debug("Effective ICC profile size: " + iccStream.size()); } final int alignment = 4; final int padding = (alignment - iccStream.size() % alignment) % alignment; if (padding != 0) { try { iccStream.write(new byte[padding]); } catch (final IOException ioe) { throw new IOException("Error while aligning ICC stream: " + ioe.getMessage()); } } ICC_Profile iccProfile = null; try { iccProfile = ColorProfileUtil.getICC_Profile(iccStream.toByteArray()); if (log.isDebugEnabled()) { log.debug("JPEG has an ICC profile: " + iccProfile.toString()); } } catch (final IllegalArgumentException iae) { log.warn( "An ICC profile is present in the JPEG file but it is invalid (" + iae.getMessage() + "). The color profile will be ignored. (" + info.getOriginalURI() + ")"); return null; } if (iccProfile.getNumComponents() != colorSpace.getNumComponents()) { log.warn( "The number of components of the ICC profile (" + iccProfile.getNumComponents() + ") doesn't match the image (" + colorSpace.getNumComponents() + "). Ignoring the ICC color profile."); return null; } else { return iccProfile; } } else { return null; // no ICC profile available } }
private void makePageForImage(ImageInfo info, ImageLayout layout) { this.imageLayout = layout; curPage = makeNewPage(false, false); fillPage(info.getOriginalURI()); finishPage(); }
/** {@inheritDoc} */ @Override public Image loadImage(final ImageInfo info, final Map hints, final ImageSessionContext session) throws ImageException, IOException { if (!MimeConstants.MIME_JPEG.equals(info.getMimeType())) { throw new IllegalArgumentException( "ImageInfo must be from a image with MIME type: " + MimeConstants.MIME_JPEG); } ColorSpace colorSpace = null; boolean appeFound = false; int sofType = 0; ByteArrayOutputStream iccStream = null; final Source src = session.needSource(info.getOriginalURI()); final ImageInputStream in = ImageUtil.needImageInputStream(src); final JPEGFile jpeg = new JPEGFile(in); in.mark(); try { outer: while (true) { int reclen; final int segID = jpeg.readMarkerSegment(); if (log.isTraceEnabled()) { log.trace("Seg Marker: " + Integer.toHexString(segID)); } switch (segID) { case EOI: log.trace("EOI found. Stopping."); break outer; case SOS: log.trace("SOS found. Stopping early."); // TODO Not sure if // this is safe break outer; case SOI: case NULL: break; case SOF0: // baseline case SOF1: // extended sequential DCT case SOF2: // progressive (since PDF 1.3) case SOFA: // progressive (since PDF 1.3) sofType = segID; if (log.isTraceEnabled()) { log.trace("SOF: " + Integer.toHexString(sofType)); } in.mark(); try { reclen = jpeg.readSegmentLength(); in.skipBytes(1); // data precision in.skipBytes(2); // height in.skipBytes(2); // width final int numComponents = in.readUnsignedByte(); if (numComponents == 1) { colorSpace = ColorSpace.getInstance(ColorSpace.CS_GRAY); } else if (numComponents == 3) { colorSpace = ColorSpace.getInstance(ColorSpace.CS_LINEAR_RGB); } else if (numComponents == 4) { colorSpace = ColorSpaces.getDeviceCMYKColorSpace(); } else { throw new ImageException( "Unsupported ColorSpace for image " + info + ". The number of components supported are 1, 3 and 4."); } } finally { in.reset(); } in.skipBytes(reclen); break; case APP2: // ICC (see ICC1V42.pdf) in.mark(); try { reclen = jpeg.readSegmentLength(); // Check for ICC profile final byte[] iccString = new byte[11]; in.readFully(iccString); in.skipBytes(1); // string terminator (null byte) if ("ICC_PROFILE".equals(new String(iccString, "US-ASCII"))) { in.skipBytes(2); // chunk sequence number and total // number of chunks final int payloadSize = reclen - 2 - 12 - 2; if (ignoreColorProfile(hints)) { log.debug("Ignoring ICC profile data in JPEG"); in.skipBytes(payloadSize); } else { final byte[] buf = new byte[payloadSize]; in.readFully(buf); if (iccStream == null) { if (log.isDebugEnabled()) { log.debug("JPEG has an ICC profile"); final DataInputStream din = new DataInputStream(new ByteArrayInputStream(buf)); log.debug("Declared ICC profile size: " + din.readInt()); } // ICC profiles can be split into several // chunks // so collect in a byte array output stream iccStream = new ByteArrayOutputStream(); } iccStream.write(buf); } } } finally { in.reset(); } in.skipBytes(reclen); break; case APPE: // Adobe-specific (see 5116.DCT_Filter.pdf) in.mark(); try { reclen = jpeg.readSegmentLength(); // Check for Adobe header final byte[] adobeHeader = new byte[5]; in.readFully(adobeHeader); if ("Adobe".equals(new String(adobeHeader, "US-ASCII"))) { // The reason for reading the APPE marker is that // Adobe Photoshop // generates CMYK JPEGs with inverted values. The // correct thing // to do would be to interpret the values in the // marker, but for now // only assume that if APPE marker is present and // colorspace is CMYK, // the image is inverted. appeFound = true; } } finally { in.reset(); } in.skipBytes(reclen); break; default: jpeg.skipCurrentMarkerSegment(); } } } finally { in.reset(); } final ICC_Profile iccProfile = buildICCProfile(info, colorSpace, iccStream); if (iccProfile == null && colorSpace == null) { throw new ImageException("ColorSpace could not be identified for JPEG image " + info); } boolean invertImage = false; if (appeFound && colorSpace.getType() == ColorSpace.TYPE_CMYK) { if (log.isDebugEnabled()) { log.debug( "JPEG has an Adobe APPE marker. Note: CMYK Image will be inverted. (" + info.getOriginalURI() + ")"); } invertImage = true; } final ImageRawJPEG rawImage = new ImageRawJPEG( info, ImageUtil.needInputStream(src), sofType, colorSpace, iccProfile, invertImage); return rawImage; }