Esempio n. 1
0
  // convert the exif date format to a unix timestamp
  public int wp_exif_date2ts(String str) {
    // seriously, who formats a date like 'YYYY:MM:DD hh:mm:ss'?
    new ListAssigner<String>() {
      public Array<String> doAssign(Array<String> srcArray) {
        if (strictEqual(srcArray, null)) {
          return null;
        }

        wp_exif_date2ts_date = srcArray.getValue(0);
        wp_exif_date2ts_time = srcArray.getValue(1);

        return srcArray;
      }
    }.doAssign(Strings.explode(" ", Strings.trim(str)));
    new ListAssigner<String>() {
      public Array<String> doAssign(Array<String> srcArray) {
        if (strictEqual(srcArray, null)) {
          return null;
        }

        wp_exif_date2ts_y = srcArray.getValue(0);
        wp_exif_date2ts_m = srcArray.getValue(1);
        wp_exif_date2ts_d = srcArray.getValue(2);

        return srcArray;
      }
    }.doAssign(Strings.explode(":", wp_exif_date2ts_date));

    return QDateTime.strtotime(
        strval(wp_exif_date2ts_y)
            + "-"
            + strval(wp_exif_date2ts_m)
            + "-"
            + strval(wp_exif_date2ts_d)
            + " "
            + strval(wp_exif_date2ts_time));
  }
Esempio n. 2
0
  // get extended image metadata, exif or iptc as available
  public Array<Object> wp_read_image_metadata(String file) {
    Array<Object> meta = new Array<Object>();
    Array<Object> info = new Array<Object>();
    Array<Object> iptc = new Array<Object>();
    Array<Object> exif = new Array<Object>();

    if (!FileSystemOrSocket.file_exists(gVars.webEnv, file)) {
      return new Array<Object>();
    }

    new ListAssigner<Object>() {
      public Array<Object> doAssign(Array<Object> srcArray) {
        if (strictEqual(srcArray, null)) {
          return null;
        }

        wp_read_image_metadata_sourceImageType = srcArray.getValue(2);

        return srcArray;
      }
    }.doAssign(QImage.getimagesize(gVars.webEnv, file));

    // exif contains a bunch of data we'll probably never need formatted in ways that are difficult
    // to use.
    // We'll normalize it and just extract the fields that are likely to be useful.  Fractions and
    // numbers
    // are converted to floats, dates to unix timestamps, and everything else to strings.
    meta =
        new Array<Object>(
            new ArrayEntry<Object>("aperture", 0),
            new ArrayEntry<Object>("credit", ""),
            new ArrayEntry<Object>("camera", ""),
            new ArrayEntry<Object>("caption", ""),
            new ArrayEntry<Object>("created_timestamp", 0),
            new ArrayEntry<Object>("copyright", ""),
            new ArrayEntry<Object>("focal_length", 0),
            new ArrayEntry<Object>("iso", 0),
            new ArrayEntry<Object>("shutter_speed", 0),
            new ArrayEntry<Object>("title", ""));

    // read iptc first, since it might contain data not available in exif such as caption,
    // description etc
    if (true) /*Modified by Numiton*/ {
      QImage.getimagesize(gVars.webEnv, file, info);

      if (!empty(info.getValue("APP13"))) {
        iptc = new Array<Object>();

        if (!empty(iptc.getArrayValue("2#110").getValue(0))) { // credit
          meta.putValue("credit", Strings.trim(strval(iptc.getArrayValue("2#110").getValue(0))));
        } else if (!empty(iptc.getArrayValue("2#080").getValue(0))) { // byline
          meta.putValue("credit", Strings.trim(strval(iptc.getArrayValue("2#080").getValue(0))));
        }

        if (!empty(iptc.getArrayValue("2#055").getValue(0))
            && !empty(iptc.getArrayValue("2#060").getValue(0))) { // created datee and time
          meta.putValue(
              "created_timestamp",
              QDateTime.strtotime(
                  strval(iptc.getArrayValue("2#055").getValue(0))
                      + " "
                      + strval(iptc.getArrayValue("2#060").getValue(0))));
        }

        if (!empty(iptc.getArrayValue("2#120").getValue(0))) { // caption
          meta.putValue("caption", Strings.trim(strval(iptc.getArrayValue("2#120").getValue(0))));
        }

        if (!empty(iptc.getArrayValue("2#116").getValue(0))) { // copyright
          meta.putValue("copyright", Strings.trim(strval(iptc.getArrayValue("2#116").getValue(0))));
        }

        if (!empty(iptc.getArrayValue("2#005").getValue(0))) { // title
          meta.putValue("title", Strings.trim(strval(iptc.getArrayValue("2#005").getValue(0))));
        }
      }
    }

    // fetch additional info from exif if available
    if (false
        && /*Modified by Numiton*/ Array.in_array(
            wp_read_image_metadata_sourceImageType,
            (Array)
                getIncluded(PluginPage.class, gVars, gConsts)
                    .apply_filters(
                        "wp_read_image_metadata_types",
                        new Array<Object>(
                            new ArrayEntry<Object>(Image.IMAGETYPE_JPEG),
                            new ArrayEntry<Object>(Image.IMAGETYPE_TIFF_II),
                            new ArrayEntry<Object>(Image.IMAGETYPE_TIFF_MM))))) {
      exif = new Array<Object>();

      if (!empty(exif.getValue("FNumber"))) {
        meta.putValue(
            "aperture", Math.round(wp_exif_frac2dec(strval(exif.getValue("FNumber"))), 2));
      }

      if (!empty(exif.getValue("Model"))) {
        meta.putValue("camera", Strings.trim(strval(exif.getValue("Model"))));
      }

      if (!empty(exif.getValue("DateTimeDigitized"))) {
        meta.putValue(
            "created_timestamp", wp_exif_date2ts(strval(exif.getValue("DateTimeDigitized"))));
      }

      if (!empty(exif.getValue("FocalLength"))) {
        meta.putValue("focal_length", wp_exif_frac2dec(strval(exif.getValue("FocalLength"))));
      }

      if (!empty(exif.getValue("ISOSpeedRatings"))) {
        meta.putValue("iso", exif.getValue("ISOSpeedRatings"));
      }

      if (!empty(exif.getValue("ExposureTime"))) {
        meta.putValue("shutter_speed", wp_exif_frac2dec(strval(exif.getValue("ExposureTime"))));
      }
    }

    // FIXME: try other exif libraries if available

    return (Array<Object>)
        getIncluded(PluginPage.class, gVars, gConsts)
            .apply_filters(
                "wp_read_image_metadata", meta, file, wp_read_image_metadata_sourceImageType);
  }