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Code Issues Releases Wiki Activity

Clean up code

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vanitasvitae 2017-09-13 11:57:31 +02:00
parent e6e0b1f680
commit 179d3b7bd2
Signed by: vanitasvitae
GPG key ID: 62BEE9264BF17311
2 changed files with 67 additions and 88 deletions
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69
app/src/main/java/de/trac/spherical/parser/PhotoSphereMetadata.java
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@ -3,44 +3,42 @@ package de.trac.spherical.parser;
import java.util.Date; import java.util.Date;
/** /**
* Created by vanitas on 12.09.17. * XMP Metadata of a PhotoSphere image.
* @see <a href="https://developers.google.com/streetview/spherical-metadata">documentation</a>.
*/ */
public class PhotoSphereMetadata { public class PhotoSphereMetadata {
public static final String USE_PANORAMA_VIEWER = "GPano:UsePanoramaViewer"; static final String USE_PANORAMA_VIEWER = "GPano:UsePanoramaViewer";
public static final String CAPTURE_SOFTWARE = "GPano:CaptureSoftware"; static final String CAPTURE_SOFTWARE = "GPano:CaptureSoftware";
public static final String STITCHING_SOFTWARE = "GPano:StitchingSoftware"; static final String STITCHING_SOFTWARE = "GPano:StitchingSoftware";
public static final String PROJECTION_TYPE = "GPano:ProjectionType"; static final String PROJECTION_TYPE = "GPano:ProjectionType";
public static final String POSE_HEADING_DEGREES = "GPano:PoseHeadingDegrees"; static final String POSE_HEADING_DEGREES = "GPano:PoseHeadingDegrees";
public static final String POSE_PITCH_DEGREES = "GPano:PosePitchDegrees"; static final String POSE_PITCH_DEGREES = "GPano:PosePitchDegrees";
public static final String POSE_ROLL_DEGREES = "GPano:PoseRollDegrees"; static final String POSE_ROLL_DEGREES = "GPano:PoseRollDegrees";
public static final String INITIAL_VIEW_HEADING_DEGREES = "GPano:InitialViewHeadingDegrees"; static final String INITIAL_VIEW_HEADING_DEGREES = "GPano:InitialViewHeadingDegrees";
public static final String INITIAL_VIEW_PITCH_DEGREES = "GPano:InitialViewPitchDegrees"; static final String INITIAL_VIEW_PITCH_DEGREES = "GPano:InitialViewPitchDegrees";
public static final String INITIAL_VIEW_ROLL_DEGREES = "GPano:InitialViewRollDegrees"; static final String INITIAL_VIEW_ROLL_DEGREES = "GPano:InitialViewRollDegrees";
public static final String INITIAL_HORIZONTAL_POV_DEGREES = "GPano:InitialHorizontalFOVDegrees"; static final String INITIAL_HORIZONTAL_POV_DEGREES = "GPano:InitialHorizontalFOVDegrees";
public static final String FIRST_PHOTO_DATE = "GPano:FirstPhotoDate"; static final String FIRST_PHOTO_DATE = "GPano:FirstPhotoDate";
public static final String LAST_PHOTO_DATE = "GPano:LastPhotoDate"; static final String LAST_PHOTO_DATE = "GPano:LastPhotoDate";
public static final String SOURCE_PHOTOS_COUNT = "GPano:SourcePhotosCount"; static final String SOURCE_PHOTOS_COUNT = "GPano:SourcePhotosCount";
public static final String EXPOSURE_LOCK_USED = "GPano:ExposureLockUsed"; static final String EXPOSURE_LOCK_USED = "GPano:ExposureLockUsed";
public static final String CROPPED_AREA_IMAGE_WIDTH_PIXELS = "GPano:CroppedAreaImageWidthPixels"; static final String CROPPED_AREA_IMAGE_WIDTH_PIXELS = "GPano:CroppedAreaImageWidthPixels";
public static final String CROPPED_AREA_IMAGE_HEIGHT_PIXELS = "GPano:CroppedAreaImageHeightPixels"; static final String CROPPED_AREA_IMAGE_HEIGHT_PIXELS = "GPano:CroppedAreaImageHeightPixels";
public static final String FULL_PANO_WIDTH_PIXELS = "GPano:FullPanoWidthPixels"; static final String FULL_PANO_WIDTH_PIXELS = "GPano:FullPanoWidthPixels";
public static final String FULL_PANO_HEIGHT_PIXELS = "GPano:FullPanoHeightPixels"; static final String FULL_PANO_HEIGHT_PIXELS = "GPano:FullPanoHeightPixels";
public static final String CROPPED_AREA_LEFT_PIXELS = "GPano:CroppedAreaLeftPixels"; static final String CROPPED_AREA_LEFT_PIXELS = "GPano:CroppedAreaLeftPixels";
public static final String CROPPED_AREA_TOP_PIXELS = "GPano:CroppedAreaTopPixels"; static final String CROPPED_AREA_TOP_PIXELS = "GPano:CroppedAreaTopPixels";
public static final String INITIAL_CAMERA_DOLLY = "GPano:InitialCameraDolly"; static final String INITIAL_CAMERA_DOLLY = "GPano:InitialCameraDolly";
private static final String pf = "=\""; enum ProjectionType {
enum TYPE {
equirectangular equirectangular
} }
private boolean usePanoramaViewer = true; private boolean usePanoramaViewer = true;
private String captureSoftware = null; private String captureSoftware = null;
private String stitichingSoftware = null; private String stitchingSoftware = null;
private TYPE projectionType = TYPE.equirectangular; private ProjectionType projectionType = ProjectionType.equirectangular;
private Float poseHeadingDegrees = null; private Float poseHeadingDegrees = null;
private float posePitchDegrees = 0; private float posePitchDegrees = 0;
private float poseRollDegrees = 0; private float poseRollDegrees = 0;
@ -68,11 +66,11 @@ public class PhotoSphereMetadata {
this.captureSoftware = captureSoftware; this.captureSoftware = captureSoftware;
} }
public void setStitichingSoftware(String stitichingSoftware) { public void setStitchingSoftware(String stitchingSoftware) {
this.stitichingSoftware = stitichingSoftware; this.stitchingSoftware = stitchingSoftware;
} }
public void setProjectionType(TYPE projectionType) { public void setProjectionType(ProjectionType projectionType) {
this.projectionType = projectionType; this.projectionType = projectionType;
} }
@ -149,7 +147,6 @@ public class PhotoSphereMetadata {
} }
public boolean isUsePanoramaViewer() { public boolean isUsePanoramaViewer() {
return usePanoramaViewer; return usePanoramaViewer;
} }
@ -157,11 +154,11 @@ public class PhotoSphereMetadata {
return captureSoftware; return captureSoftware;
} }
public String getStitichingSoftware() { public String getStitchingSoftware() {
return stitichingSoftware; return stitchingSoftware;
} }
public TYPE getProjectionType() { public ProjectionType getProjectionType() {
return projectionType; return projectionType;
} }

86
app/src/main/java/de/trac/spherical/parser/SphereParser.java
View file

@ -3,15 +3,11 @@ package de.trac.spherical.parser;
import android.util.Log; import android.util.Log;
import java.io.EOFException; import java.io.EOFException;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException; import java.io.IOException;
import java.io.InputStream; import java.io.InputStream;
import java.io.PushbackInputStream;
import java.math.BigInteger; import java.math.BigInteger;
import java.text.ParseException; import java.text.ParseException;
import java.text.SimpleDateFormat; import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Arrays; import java.util.Arrays;
import java.util.Date; import java.util.Date;
import java.util.Locale; import java.util.Locale;
@ -37,7 +33,7 @@ import static de.trac.spherical.parser.PhotoSphereMetadata.POSE_ROLL_DEGREES;
import static de.trac.spherical.parser.PhotoSphereMetadata.PROJECTION_TYPE; import static de.trac.spherical.parser.PhotoSphereMetadata.PROJECTION_TYPE;
import static de.trac.spherical.parser.PhotoSphereMetadata.SOURCE_PHOTOS_COUNT; import static de.trac.spherical.parser.PhotoSphereMetadata.SOURCE_PHOTOS_COUNT;
import static de.trac.spherical.parser.PhotoSphereMetadata.STITCHING_SOFTWARE; import static de.trac.spherical.parser.PhotoSphereMetadata.STITCHING_SOFTWARE;
import static de.trac.spherical.parser.PhotoSphereMetadata.TYPE; import static de.trac.spherical.parser.PhotoSphereMetadata.ProjectionType;
import static de.trac.spherical.parser.PhotoSphereMetadata.USE_PANORAMA_VIEWER; import static de.trac.spherical.parser.PhotoSphereMetadata.USE_PANORAMA_VIEWER;
/** /**
@ -45,7 +41,7 @@ import static de.trac.spherical.parser.PhotoSphereMetadata.USE_PANORAMA_VIEWER;
*/ */
public class SphereParser { public class SphereParser {
public static final String TAG = "SphereParser"; private static final String TAG = "PhoSphePars";
private static final SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd'T'hh:mm:ss.SSS'Z'", Locale.US); private static final SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd'T'hh:mm:ss.SSS'Z'", Locale.US);
@ -56,23 +52,23 @@ public class SphereParser {
* 3 E1 * 3 E1
* 4 Length EXIF (n) * 4 Length EXIF (n)
* 5 Length EXIF (n) * 5 Length EXIF (n)
* 6 <exif> * 6 <exif> (length n-2)
* n+4 </exif> * n+4 </exif>
* n+5 FF * n+5 FF
* n+6 E1 * n+6 E1
* n+7 Length XML (m) * n+7 Length XML (m)
* n+7 Length XML (m) * n+7 Length XML (m)
* n+8 <xml> * n+8 <xml> (length m-2)
* n+8+m</xml> * n+8+m</xml>
* n+5 <xml> * n+5 <xml>
* ? </xml> * ? </xml>
*/ */
public static final byte[] FFE1 = new byte[] { private static final byte[] FFE1 = new byte[] {
(byte) 0xFF, (byte) 0xE1 (byte) 0xFF, (byte) 0xE1
}; };
public static final byte[] FFD8FFE1 = new byte[] { private static final byte[] FFD8FFE1 = new byte[] {
(byte) 0xFF, (byte) 0xD8, (byte) 0xFF, (byte) 0xE1 (byte) 0xFF, (byte) 0xD8, (byte) 0xFF, (byte) 0xE1
}; };
@ -86,7 +82,8 @@ public class SphereParser {
//HEADER //HEADER
byte[] r = new byte[FFD8FFE1.length]; byte[] r = new byte[FFD8FFE1.length];
int i = inputStream.read(r); int i = inputStream.read(r);
if (i != FFD8FFE1.length || !Arrays.equals(FFD8FFE1, r)) { throwIfUnexpectedEOF(i, r.length);
if (!Arrays.equals(FFD8FFE1, r)) {
Log.d(TAG, "Unexpected Image header: " + hex(r) + " (" + hex(FFD8FFE1) + " expected)"); Log.d(TAG, "Unexpected Image header: " + hex(r) + " (" + hex(FFD8FFE1) + " expected)");
return null; return null;
} }
@ -94,18 +91,18 @@ public class SphereParser {
//EXIF Length //EXIF Length
r = new byte[2]; r = new byte[2];
i = inputStream.read(r); i = inputStream.read(r);
if (i != 2) { throwIfUnexpectedEOF(i, r.length);
throw new EOFException("Unexpected EOF!");
}
int exifLen = integer(r); int exifLen = integer(r);
//Skip EXIF header //Skip EXIF header
r = new byte[exifLen - 2]; r = new byte[exifLen - 2];
i = inputStream.read(r); i = inputStream.read(r);
throwIfUnexpectedEOF(i, r.length);
//XML Header //XML Header
r = new byte[2]; r = new byte[2];
i = inputStream.read(r); i = inputStream.read(r);
throwIfUnexpectedEOF(i, r.length);
if (!Arrays.equals(FFE1, r)) { if (!Arrays.equals(FFE1, r)) {
Log.d(TAG, "Image does not contain XML data."); Log.d(TAG, "Image does not contain XML data.");
return null; return null;
@ -113,16 +110,12 @@ public class SphereParser {
r = new byte[2]; r = new byte[2];
i = inputStream.read(r); i = inputStream.read(r);
if (i != 2) { throwIfUnexpectedEOF(i, r.length);
throw new EOFException("Unexpected EOF!");
}
int xmlLen = integer(r); int xmlLen = integer(r);
byte[] xml = new byte[xmlLen - 2]; byte[] xml = new byte[xmlLen - 2];
i = inputStream.read(xml); i = inputStream.read(xml);
if (i != xml.length) { throwIfUnexpectedEOF(i, r.length);
throw new EOFException("Unexpected EOF!");
}
return new String(xml); return new String(xml);
} }
@ -130,9 +123,9 @@ public class SphereParser {
public static PhotoSphereMetadata parse(String xmp) { public static PhotoSphereMetadata parse(String xmp) {
PhotoSphereMetadata meta = new PhotoSphereMetadata(); PhotoSphereMetadata meta = new PhotoSphereMetadata();
meta.setUsePanoramaViewer(parseBoolean(USE_PANORAMA_VIEWER, xmp, true)); meta.setUsePanoramaViewer(parseBoolean(USE_PANORAMA_VIEWER, xmp, true));
meta.setCaptureSoftware(getStringValue(CAPTURE_SOFTWARE, xmp)); meta.setCaptureSoftware(parseString(CAPTURE_SOFTWARE, xmp));
meta.setStitichingSoftware(getStringValue(STITCHING_SOFTWARE, xmp)); meta.setStitchingSoftware(parseString(STITCHING_SOFTWARE, xmp));
meta.setProjectionType(parseType(PROJECTION_TYPE, xmp, TYPE.equirectangular)); meta.setProjectionType(parseType(PROJECTION_TYPE, xmp, ProjectionType.equirectangular));
meta.setPoseHeadingDegrees(parseFloat(POSE_HEADING_DEGREES, xmp, null)); meta.setPoseHeadingDegrees(parseFloat(POSE_HEADING_DEGREES, xmp, null));
meta.setPosePitchDegrees(parseFloat(POSE_PITCH_DEGREES, xmp, 0f)); meta.setPosePitchDegrees(parseFloat(POSE_PITCH_DEGREES, xmp, 0f));
meta.setPoseRollDegrees(parseFloat(POSE_ROLL_DEGREES, xmp, 0f)); meta.setPoseRollDegrees(parseFloat(POSE_ROLL_DEGREES, xmp, 0f));
@ -154,7 +147,13 @@ public class SphereParser {
return meta; return meta;
} }
public static String getStringValue(String key, String xmp) { private static void throwIfUnexpectedEOF(int actual, int expected) throws EOFException {
if (actual != expected) {
throw new EOFException("Unexpected EOF!");
}
}
private static String parseString(String key, String xmp) {
if (!xmp.contains(key)) { if (!xmp.contains(key)) {
return null; return null;
} }
@ -165,13 +164,13 @@ public class SphereParser {
return value; return value;
} }
public static Integer parseInteger(String key, String xmp, Integer defaultValue) { private static Integer parseInteger(String key, String xmp, Integer defaultValue) {
String value = getStringValue(key, xmp); String value = parseString(key, xmp);
return value == null ? defaultValue : Integer.parseInt(value); return value == null ? defaultValue : Integer.parseInt(value);
} }
public static Float parseFloat(String key, String xmp, Float defaultValue) { private static Float parseFloat(String key, String xmp, Float defaultValue) {
String value = getStringValue(key, xmp); String value = parseString(key, xmp);
if (value == null) { if (value == null) {
return defaultValue; return defaultValue;
} else { } else {
@ -179,18 +178,18 @@ public class SphereParser {
} }
} }
public static Boolean parseBoolean(String key, String xmp, Boolean defaultValue) { private static Boolean parseBoolean(String key, String xmp, Boolean defaultValue) {
String value = getStringValue(key, xmp); String value = parseString(key, xmp);
return value == null ? defaultValue : Boolean.parseBoolean(value); return value == null ? defaultValue : Boolean.parseBoolean(value);
} }
public static TYPE parseType(String key, String xmp, TYPE defaultValue) { private static ProjectionType parseType(String key, String xmp, ProjectionType defaultValue) {
String value = getStringValue(key, xmp); String value = parseString(key, xmp);
return value == null ? defaultValue : TYPE.equirectangular; return value == null ? defaultValue : ProjectionType.equirectangular;
} }
public static Date parseDate(String key, String xmp, Date defaultValue) { private static Date parseDate(String key, String xmp, Date defaultValue) {
String value = getStringValue(key, xmp); String value = parseString(key, xmp);
try { try {
return value == null ? defaultValue : dateFormat.parse(value); return value == null ? defaultValue : dateFormat.parse(value);
} catch (ParseException e) { } catch (ParseException e) {
@ -198,23 +197,6 @@ public class SphereParser {
} }
} }
public static void main(String[] args) throws IOException {
File file = new File(args[0]);
System.out.println(getXMLContent(new FileInputStream(file)));
}
private static void unread(ArrayList<Byte> list, PushbackInputStream pb) throws IOException {
for (int i = list.size() - 1; i >= 0; i--) {
pb.unread(list.get(i));
}
}
private static void append(ArrayList<Byte> list, byte[] array, int r) {
for (int i = 0; i < r; i++) {
list.add(array[i]);
}
}
private static String hex(byte[] b) { private static String hex(byte[] b) {
return new BigInteger(b).toString(16); return new BigInteger(b).toString(16);
} }