| ⇢ | A | ViewerMediumTests added | |
| ⇢ | A | ViewerMedium added | |
| ⇢ | A | PictureCache added | |
| ⇢ | A | PictureCacheTests added | |
| ⇢ | A | Polaroid added |
| ⇢ | B | Polaroid.view() added | |
| ⇢ | A | ParrecTests.test_Tells_polaroid_to_save_snapshot_t... added | |
| ⇢ | A | DependenciesTests.test_provides_Polaroid() added | |
| ⇢ | A | FormatFactoryTests.test_Provides_picture() added | |
| ⇢ | A | DependenciesTests.test_provides_PictureCache() added | |
| ⇢ | A | view() added | |
| ⇢ | A | NiftiTests.test_Tells_polaroid_to_save_snapshot_to... added | |
| ⇢ | A | NiftiFile.inspect() added | |
| ⇢ | A | BaseFile.viewSnapshot() added | |
| ⇢ | A | MediumFactoryTests.test_Provides_Viewer() added | |
| ⋮ | view more | ||
| A | ↘ | B | MediumFactory.create() got worse |
| B | ↘ | C | FormatFactory.create() got worse |