--- /dev/null
+package org.argeo.app.image;
+
+import java.awt.Color;
+import java.awt.Graphics2D;
+import java.awt.geom.AffineTransform;
+import java.awt.image.AffineTransformOp;
+import java.awt.image.BufferedImage;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.List;
+import java.util.concurrent.Callable;
+
+import javax.imageio.ImageIO;
+
+import org.apache.commons.imaging.ImageReadException;
+import org.apache.commons.imaging.Imaging;
+import org.apache.commons.imaging.common.ImageMetadata;
+import org.apache.commons.imaging.common.ImageMetadata.ImageMetadataItem;
+import org.apache.commons.imaging.common.RationalNumber;
+import org.apache.commons.imaging.formats.jpeg.JpegImageMetadata;
+import org.apache.commons.imaging.formats.jpeg.exif.ExifRewriter;
+import org.apache.commons.imaging.formats.tiff.TiffField;
+import org.apache.commons.imaging.formats.tiff.TiffImageMetadata;
+import org.apache.commons.imaging.formats.tiff.constants.ExifTagConstants;
+import org.apache.commons.imaging.formats.tiff.constants.GpsTagConstants;
+import org.apache.commons.imaging.formats.tiff.constants.TiffTagConstants;
+import org.apache.commons.imaging.formats.tiff.taginfos.TagInfo;
+import org.apache.commons.imaging.formats.tiff.write.TiffOutputDirectory;
+import org.apache.commons.imaging.formats.tiff.write.TiffOutputSet;
+
+public class ImageProcessor {
+ private Callable<InputStream> inSupplier;
+ private Callable<OutputStream> outSupplier;
+
+ public ImageProcessor(Callable<InputStream> inSupplier, Callable<OutputStream> outSupplier) {
+ super();
+ this.inSupplier = inSupplier;
+ this.outSupplier = outSupplier;
+ }
+
+ public void process() {
+ try {
+ ImageMetadata metadata = null;
+ Integer orientation = null;
+ try (InputStream in = inSupplier.call()) {
+ metadata = Imaging.getMetadata(in, null);
+ orientation = getOrientation(metadata);
+ }
+ try (InputStream in = inSupplier.call()) {
+ if (orientation != null && orientation != TiffTagConstants.ORIENTATION_VALUE_HORIZONTAL_NORMAL) {
+ BufferedImage sourceImage = ImageIO.read(in);
+ AffineTransform transform = getExifTransformation(orientation, sourceImage.getWidth(),
+ sourceImage.getHeight());
+ BufferedImage targetImage = transformImage(sourceImage, orientation, transform);
+ Path temp = Files.createTempFile("image", ".jpg");
+ try {
+ try (OutputStream out = Files.newOutputStream(temp)) {
+ ImageIO.write(targetImage, "jpeg", out);
+ }
+ copyWithMetadata(() -> Files.newInputStream(temp), metadata);
+ } finally {
+ Files.deleteIfExists(temp);
+ }
+ } else {
+ try (OutputStream out = outSupplier.call()) {
+ copyWithMetadata(() -> in, metadata);
+ }
+ }
+ }
+ } catch (Exception e) {
+ throw new RuntimeException("Cannot process image", e);
+ }
+ }
+
+ protected void copyWithMetadata(Callable<InputStream> inSupplier, ImageMetadata metadata) {
+ try (InputStream in = inSupplier.call(); OutputStream out = outSupplier.call();) {
+ TiffOutputSet outputSet = null;
+ if (metadata != null && metadata instanceof JpegImageMetadata) {
+ final TiffImageMetadata exif = ((JpegImageMetadata) metadata).getExif();
+
+ if (null != exif) {
+ outputSet = exif.getOutputSet();
+// outputSet.getInteroperabilityDirectory().removeField(TiffTagConstants.TIFF_TAG_ORIENTATION);
+
+ for (TiffOutputDirectory dir : outputSet.getDirectories()) {
+// TiffOutputField field = dir.findField(TiffTagConstants.TIFF_TAG_ORIENTATION);
+// if (field != null) {
+ dir.removeField(TiffTagConstants.TIFF_TAG_ORIENTATION);
+ dir.removeField(TiffTagConstants.TIFF_TAG_IMAGE_WIDTH);
+ dir.removeField(TiffTagConstants.TIFF_TAG_IMAGE_LENGTH);
+ dir.removeField(ExifTagConstants.EXIF_TAG_EXIF_IMAGE_WIDTH);
+ dir.removeField(ExifTagConstants.EXIF_TAG_EXIF_IMAGE_LENGTH);
+// System.out.println("Removed orientation from " + dir.description());
+// }
+ }
+ }
+ }
+
+ if (null == outputSet) {
+ outputSet = new TiffOutputSet();
+ }
+ new ExifRewriter().updateExifMetadataLossless(in, out, outputSet);
+ } catch (Exception e) {
+ throw new RuntimeException("Could not update EXIF metadata", e);
+ }
+
+ }
+
+ public static BufferedImage transformImage(BufferedImage image, Integer orientation, AffineTransform transform)
+ throws Exception {
+
+ AffineTransformOp op = new AffineTransformOp(transform, AffineTransformOp.TYPE_BICUBIC);
+
+ int width = image.getWidth();
+ int height = image.getHeight();
+ switch (orientation) {
+ case TiffTagConstants.ORIENTATION_VALUE_ROTATE_180:
+ case TiffTagConstants.ORIENTATION_VALUE_MIRROR_HORIZONTAL_AND_ROTATE_270_CW:
+ case TiffTagConstants.ORIENTATION_VALUE_ROTATE_90_CW:
+ case TiffTagConstants.ORIENTATION_VALUE_MIRROR_HORIZONTAL_AND_ROTATE_90_CW:
+ case TiffTagConstants.ORIENTATION_VALUE_ROTATE_270_CW:
+ width = image.getHeight();
+ height = image.getWidth();
+ break;
+ }
+
+ BufferedImage destinationImage = new BufferedImage(width, height, image.getType());
+
+ Graphics2D g = destinationImage.createGraphics();
+ g.setBackground(Color.WHITE);
+ g.clearRect(0, 0, destinationImage.getWidth(), destinationImage.getHeight());
+ destinationImage = op.filter(image, destinationImage);
+ return destinationImage;
+ }
+
+ public static int getOrientation(ImageMetadata metadata) {
+ if (metadata instanceof JpegImageMetadata) {
+ JpegImageMetadata jpegMetadata = (JpegImageMetadata) metadata;
+ TiffField field = jpegMetadata.findEXIFValue(TiffTagConstants.TIFF_TAG_ORIENTATION);
+ if (field == null)
+ return TiffTagConstants.ORIENTATION_VALUE_HORIZONTAL_NORMAL;
+ try {
+ return field.getIntValue();
+ } catch (ImageReadException e) {
+ throw new IllegalStateException(e);
+ }
+ } else {
+ throw new IllegalArgumentException("Unsupported metadata format " + metadata.getClass());
+ }
+ }
+
+ public static AffineTransform getExifTransformation(Integer orientation, int width, int height) {
+
+ AffineTransform t = new AffineTransform();
+
+ switch (orientation) {
+ case TiffTagConstants.ORIENTATION_VALUE_HORIZONTAL_NORMAL:
+ return null;
+ case TiffTagConstants.ORIENTATION_VALUE_MIRROR_HORIZONTAL: // Flip X
+ t.scale(-1.0, 1.0);
+ t.translate(-width, 0);
+ break;
+ case TiffTagConstants.ORIENTATION_VALUE_ROTATE_180: // PI rotation
+ t.translate(width, height);
+ t.rotate(Math.PI);
+ break;
+ case TiffTagConstants.ORIENTATION_VALUE_MIRROR_VERTICAL: // Flip Y
+ t.scale(1.0, -1.0);
+ t.translate(0, -height);
+ break;
+ case TiffTagConstants.ORIENTATION_VALUE_MIRROR_HORIZONTAL_AND_ROTATE_270_CW: // - PI/2 and Flip X
+ t.rotate(-Math.PI / 2);
+ t.scale(-1.0, 1.0);
+ break;
+ case TiffTagConstants.ORIENTATION_VALUE_ROTATE_90_CW: // -PI/2 and -width
+ t.translate(height, 0);
+ t.rotate(Math.PI / 2);
+ break;
+ case TiffTagConstants.ORIENTATION_VALUE_MIRROR_HORIZONTAL_AND_ROTATE_90_CW: // PI/2 and Flip
+ t.scale(-1.0, 1.0);
+ t.translate(-height, 0);
+ t.translate(0, width);
+ t.rotate(3 * Math.PI / 2);
+ break;
+ case TiffTagConstants.ORIENTATION_VALUE_ROTATE_270_CW: // PI / 2
+ t.translate(0, width);
+ t.rotate(3 * Math.PI / 2);
+ break;
+ }
+
+ return t;
+ }
+
+ public static void main(String[] args) throws Exception {
+ Path imagePath = Paths.get(args[0]);
+ Path targetPath = Paths.get(args[1]);
+
+ ImageProcessor imageProcessor = new ImageProcessor(() -> Files.newInputStream(imagePath),
+ () -> Files.newOutputStream(targetPath));
+ imageProcessor.process();
+
+ try (InputStream in = Files.newInputStream(targetPath)) {
+ metadataExample(in, null);
+ }
+
+ }
+
+ public static void metadataExample(InputStream in, String fileName) throws ImageReadException, IOException {
+ // get all metadata stored in EXIF format (ie. from JPEG or TIFF).
+ final ImageMetadata metadata = Imaging.getMetadata(in, fileName);
+
+ // System.out.println(metadata);
+
+ if (metadata instanceof JpegImageMetadata) {
+ final JpegImageMetadata jpegMetadata = (JpegImageMetadata) metadata;
+
+ // Jpeg EXIF metadata is stored in a TIFF-based directory structure
+ // and is identified with TIFF tags.
+ // Here we look for the "x resolution" tag, but
+ // we could just as easily search for any other tag.
+ //
+ // see the TiffConstants file for a list of TIFF tags.
+
+ // System.out.println("file: " + file.getPath());
+
+ // print out various interesting EXIF tags.
+ printTagValue(jpegMetadata, TiffTagConstants.TIFF_TAG_XRESOLUTION);
+ printTagValue(jpegMetadata, TiffTagConstants.TIFF_TAG_DATE_TIME);
+ printTagValue(jpegMetadata, ExifTagConstants.EXIF_TAG_DATE_TIME_ORIGINAL);
+ printTagValue(jpegMetadata, ExifTagConstants.EXIF_TAG_DATE_TIME_DIGITIZED);
+ printTagValue(jpegMetadata, ExifTagConstants.EXIF_TAG_ISO);
+ printTagValue(jpegMetadata, ExifTagConstants.EXIF_TAG_SHUTTER_SPEED_VALUE);
+ printTagValue(jpegMetadata, ExifTagConstants.EXIF_TAG_APERTURE_VALUE);
+ printTagValue(jpegMetadata, ExifTagConstants.EXIF_TAG_BRIGHTNESS_VALUE);
+ printTagValue(jpegMetadata, GpsTagConstants.GPS_TAG_GPS_LATITUDE_REF);
+ printTagValue(jpegMetadata, GpsTagConstants.GPS_TAG_GPS_LATITUDE);
+ printTagValue(jpegMetadata, GpsTagConstants.GPS_TAG_GPS_LONGITUDE_REF);
+ printTagValue(jpegMetadata, GpsTagConstants.GPS_TAG_GPS_LONGITUDE);
+
+ System.out.println();
+
+ // simple interface to GPS data
+ final TiffImageMetadata exifMetadata = jpegMetadata.getExif();
+ if (null != exifMetadata) {
+ final TiffImageMetadata.GPSInfo gpsInfo = exifMetadata.getGPS();
+ if (null != gpsInfo) {
+ final String gpsDescription = gpsInfo.toString();
+ final double longitude = gpsInfo.getLongitudeAsDegreesEast();
+ final double latitude = gpsInfo.getLatitudeAsDegreesNorth();
+
+ System.out.println(" " + "GPS Description: " + gpsDescription);
+ System.out.println(" " + "GPS Longitude (Degrees East): " + longitude);
+ System.out.println(" " + "GPS Latitude (Degrees North): " + latitude);
+ }
+ }
+
+ // more specific example of how to manually access GPS values
+ final TiffField gpsLatitudeRefField = jpegMetadata
+ .findEXIFValueWithExactMatch(GpsTagConstants.GPS_TAG_GPS_LATITUDE_REF);
+ final TiffField gpsLatitudeField = jpegMetadata
+ .findEXIFValueWithExactMatch(GpsTagConstants.GPS_TAG_GPS_LATITUDE);
+ final TiffField gpsLongitudeRefField = jpegMetadata
+ .findEXIFValueWithExactMatch(GpsTagConstants.GPS_TAG_GPS_LONGITUDE_REF);
+ final TiffField gpsLongitudeField = jpegMetadata
+ .findEXIFValueWithExactMatch(GpsTagConstants.GPS_TAG_GPS_LONGITUDE);
+ if (gpsLatitudeRefField != null && gpsLatitudeField != null && gpsLongitudeRefField != null
+ && gpsLongitudeField != null) {
+ // all of these values are strings.
+ final String gpsLatitudeRef = (String) gpsLatitudeRefField.getValue();
+ final RationalNumber[] gpsLatitude = (RationalNumber[]) (gpsLatitudeField.getValue());
+ final String gpsLongitudeRef = (String) gpsLongitudeRefField.getValue();
+ final RationalNumber[] gpsLongitude = (RationalNumber[]) gpsLongitudeField.getValue();
+
+ final RationalNumber gpsLatitudeDegrees = gpsLatitude[0];
+ final RationalNumber gpsLatitudeMinutes = gpsLatitude[1];
+ final RationalNumber gpsLatitudeSeconds = gpsLatitude[2];
+
+ final RationalNumber gpsLongitudeDegrees = gpsLongitude[0];
+ final RationalNumber gpsLongitudeMinutes = gpsLongitude[1];
+ final RationalNumber gpsLongitudeSeconds = gpsLongitude[2];
+
+ // This will format the gps info like so:
+ //
+ // gpsLatitude: 8 degrees, 40 minutes, 42.2 seconds S
+ // gpsLongitude: 115 degrees, 26 minutes, 21.8 seconds E
+
+ System.out.println(" " + "GPS Latitude: " + gpsLatitudeDegrees.toDisplayString() + " degrees, "
+ + gpsLatitudeMinutes.toDisplayString() + " minutes, " + gpsLatitudeSeconds.toDisplayString()
+ + " seconds " + gpsLatitudeRef);
+ System.out.println(" " + "GPS Longitude: " + gpsLongitudeDegrees.toDisplayString() + " degrees, "
+ + gpsLongitudeMinutes.toDisplayString() + " minutes, " + gpsLongitudeSeconds.toDisplayString()
+ + " seconds " + gpsLongitudeRef);
+
+ }
+
+ System.out.println();
+
+ final List<ImageMetadataItem> items = jpegMetadata.getItems();
+ for (final ImageMetadataItem item : items) {
+ System.out.println(" " + "item: " + item);
+
+ }
+
+ System.out.println();
+ }
+ }
+
+ private static void printTagValue(final JpegImageMetadata jpegMetadata, final TagInfo tagInfo) {
+ final TiffField field = jpegMetadata.findEXIFValueWithExactMatch(tagInfo);
+ if (field == null) {
+ System.out.println(tagInfo.name + ": " + "Not Found.");
+ } else {
+ System.out.println(tagInfo.name + ": " + field.getValueDescription());
+ }
+ }
+
+}
projects / gpl / argeo-suite.git / commitdiff