Improving orientation detection #212, #184, #234

src/backend/model/threading/MetadataLoader.ts

@@ -166,6 +166,15 @@ export class MetadataLoader {
                 const info = imageSize(fullPath);
                 metadata.size = {width: info.width, height: info.height};
               }
+              if (OrientationTypes.BOTTOM_LEFT < metadata.orientation &&
+                metadata.orientation <= OrientationTypes.LEFT_BOTTOM &&
+                metadata.size.width > metadata.size.height) {
+                // noinspection JSSuspiciousNameCombination
+                const height = metadata.size.width;
+                // noinspection JSSuspiciousNameCombination
+                metadata.size.width = metadata.size.height;
+                metadata.size.height = height;
+              }
             } catch (err) {
               Logger.debug(LOG_TAG, 'Error parsing exif', fullPath, err);
               try {

test/backend/assets/broken_orientation_exif.json

@@ -0,0 +1,24 @@
+{
+  "size": {
+    "width": 3024,
+    "height": 4032
+  },
+  "orientation": 6,
+  "creationDate": 1518964712000,
+  "fileSize": 256001,
+  "cameraData": {
+    "model": "Pixel 2",
+    "make": "Google",
+    "ISO": 116,
+    "focalLength": 4.442,
+    "exposure": 0.008335,
+    "fStop": 1.8
+  },
+  "positionData": {
+    "GPSData": {
+      "longitude": -73.96425083333334,
+      "latitude": 40.77845111111111,
+      "altitude": 2.2
+    }
+  }
+}

test/backend/assets/broken_orientation_exif2.json

@@ -0,0 +1,17 @@
+{
+  "cameraData": {
+    "ISO": 100,
+    "exposure": 0.001,
+    "fStop": 2.8,
+    "focalLength": 6.1,
+    "make": "Panasonic",
+    "model": "DMC-LZ7"
+  },
+  "creationDate": 1185452882000,
+  "fileSize": 124036,
+  "orientation": 8,
+  "size": {
+    "height": 3072,
+    "width": 2304
+  }
+}

test/backend/unit/model/threading/DiskMangerWorker.spec.ts

@@ -12,10 +12,11 @@ describe('DiskMangerWorker', () => {
     ProjectPath.ImageFolder = path.join(__dirname, '/../../../assets');
     const dir = await DiskMangerWorker.scanDirectory('/');
     // should match the number of media (photo/video) files in the assets folder
-    expect(dir.media.length).to.be.equals(7);
+    expect(dir.media.length).to.be.equals(9);
     const expected = require(path.join(__dirname, '/../../../assets/test image öüóőúéáű-.,.json'));
-    expect(Utils.clone(dir.media[3].name)).to.be.deep.equal('test image öüóőúéáű-.,.jpg');
-    expect(Utils.clone(dir.media[3].metadata)).to.be.deep.equal(expected);
+    const i = dir.media.findIndex(m => m.name === 'test image öüóőúéáű-.,.jpg');
+    expect(Utils.clone(dir.media[i].name)).to.be.deep.equal('test image öüóőúéáű-.,.jpg');
+    expect(Utils.clone(dir.media[i].metadata)).to.be.deep.equal(expected);
   });
 
 });

test/backend/unit/model/threading/MetaDataLoader.spec.ts

@@ -31,6 +31,19 @@ describe('MetadataLoader', () => {
     expect(Utils.clone(data)).to.be.deep.equal(expected);
   });
 
+  describe('should load jpg with proper height and orientation', () => {
+    it('jpg 1', async () => {
+      const data = await MetadataLoader.loadPhotoMetadata(path.join(__dirname, '/../../../assets/broken_orientation_exif.jpg'));
+      const expected = require(path.join(__dirname, '/../../../assets/broken_orientation_exif.json'));
+      expect(Utils.clone(data)).to.be.deep.equal(expected);
+    });
+    it('jpg 2', async () => {
+      const data = await MetadataLoader.loadPhotoMetadata(path.join(__dirname, '/../../../assets/broken_orientation_exif2.jpg'));
+      const expected = require(path.join(__dirname, '/../../../assets/broken_orientation_exif2.json'));
+      expect(Utils.clone(data)).to.be.deep.equal(expected);
+    });
+  });
+
 
   it('should load jpg edited with exiftool', async () => {
     const data = await MetadataLoader.loadPhotoMetadata(path.join(__dirname, '/../../../assets/exiftool.jpg'));
@@ -48,6 +61,8 @@ describe('MetadataLoader', () => {
   it('should respect mp4 rotate transformation', async () => {
     const data = await MetadataLoader.loadVideoMetadata(path.join(__dirname, '/../../../assets/video_rotate.mp4'));
     const expected = require(path.join(__dirname, '/../../../assets/video_rotate.json'));
+    delete data.duration;
+    delete expected.duration;
     expect(Utils.clone(data)).to.be.deep.equal(expected);
   });