description not part of data. added fun test pictures

src/backend/model/fileaccess/MetadataCreationDate.ts

@@ -2,51 +2,33 @@
 //tagname1 is typically a full date time, but in some cases tagname1 and tagname2 together make up a full timestamp
 
 
-const metadataTags: [string, string, string][] = [
+const metadataTags: [string, string][] = [
-  // EXIF tags
+  // Date tag                 Offset or time tag            // Description
-  ["exif.DateTimeOriginal", "exif.OffsetTimeOriginal", "Date and time when the original image was taken"],
+  ["exif.DateTimeOriginal",   "exif.OffsetTimeOriginal"],   //"Date and time when the original image was taken - shutter close time"
-  ["exif.CreateDate", "exif.OffsetTime", "Date and time when the image was created"],
+  ["exif.CreateDate",         "exif.OffsetTime"],           //"Date and time when the image was created"],
-  ["xmp:CreateDate", "", "Date and time when the image was created (XMP standard)"],
+  ["ifd0.ModifyDate",         ""],                          //"Modificaton date from the idf0 section"],
-  ["exif.DateTimeDigitized", "exif.OffsetTimeDigitized", "Date and time when the image was digitized"],
+  ["ihdr.Creation Time",      ""],                          //"PNG Creation Time"],
-  ["iptc.DateCreated", "iptc.TimeCreated", "Date and time when the image was created (IPTC standard)"],
+  ["photoshop.DateCreated",   ""],                          //"Date and time when the image was created"],
-  ["ihdr.Creation Time", "", "PNG Creation Time"],
+  ["xmp:CreateDate",          ""],                          //"Date and time when the image was created (XMP standard)"],
-  
+  ["iptc.DateCreated",        "iptc.TimeCreated"],          //"Date and time when the image was created (IPTC standard)"],
-  // TIFF tags
+  ["exif.DateTimeDigitized",  "exif.OffsetTimeDigitized"],  //"Date and time when the image was digitized"],
-  ["TIFF.DateTime", "", "Date and time when the image was created (TIFF standard)"],
+  ["xmp.MetadataDate",        ""],                          //??????????
-  
+  ["TIFF.DateTime",           ""],                          //"Date and time when the image was created (TIFF standard)"],
-  // QuickTime tags
+  ["quicktime.CreationDate",  ""],                          //"Date and time when the QuickTime movie was created"],
-  ["quicktime.CreationDate", "", "Date and time when the QuickTime movie was created"],
+  ["quicktime.CreateDate",    ""],                          //"Date and time when the QuickTime movie was created in UTC"],
-  ["quicktime.CreateDate", "", "Date and time when the QuickTime movie was created in UTC"],
+  ["AVI.CreationTime",        ""],                          //"Date and time when the AVI video was created"],
-
+  ["MP4.CreationTime",        ""],                          //"Date and time when the MP4 video was created"],
-  //Photoshop tags
+  ["MP4.ModifyDate",          ""],                          //"Date and time when the MP4 video was last modified"],
-  ["photoshop.DateCreated", "", "Date and time when the image was created"],
+  ["WebP.VP8X/Time",          ""],                          //"Date and time when the WebP image was created"],
-  
+  ["heic.ContentCreateDate",  ""],                          //"Date and time when the HEIC image content was created"],
-  // AVI tags
+  ["heic.CreationDate",       ""],                          //"Date and time when the HEIC image was created"],
-  ["AVI.CreationTime", "", "Date and time when the AVI video was created"],
+  ["cr2.DateTimeOriginal",    ""],                          //"Date and time when the original Canon RAW image was taken"],
-  
+  ["nef.DateTimeOriginal",    ""],                          //"Date and time when the original Nikon RAW image was taken"],
-  // MP4 tags
+  ["dng.DateTimeOriginal",    ""],                          //"Date and time when the original DNG image was taken"],
-  ["MP4.CreationTime", "", "Date and time when the MP4 video was created"],
+  ["rw2.DateTimeOriginal",    ""],                          //"Date and time when the original Panasonic RAW image was taken"],
-  ["MP4.ModifyDate", "", "Date and time when the MP4 video was last modified"],
+  ["arw.DateTimeOriginal",    ""],                          //"Date and time when the original Sony Alpha RAW image was taken"],
-  
+  ["cr3.DateTimeOriginal",    ""],                          //"Date and time when the original Canon RAW image was taken"],
-  // WebP tags
+  ["sr2.DateTimeOriginal",    ""],                          //"Date and time when the original Sony RAW image was taken"],
-  ["WebP.VP8X/Time", "", "Date and time when the WebP image was created"],
+  ["orf.DateTimeOriginal",    ""],                          //"Date and time when the original Olympus RAW image was taken"],
-  
+  ["xmp:ModifyDate",          ""],                          //"Date and time when the image was last modified (XMP standard)"]
-  
-  // HEIC tags
-  ["heic.ContentCreateDate", "", "Date and time when the HEIC image content was created"],
-  ["heic.CreationDate", "", "Date and time when the HEIC image was created"],
-  
-  // RAW image format tags
-  ["cr2.DateTimeOriginal", "", "Date and time when the original Canon RAW image was taken"],
-  ["nef.DateTimeOriginal", "", "Date and time when the original Nikon RAW image was taken"],
-  ["dng.DateTimeOriginal", "", "Date and time when the original DNG image was taken"],
-  ["rw2.DateTimeOriginal", "", "Date and time when the original Panasonic RAW image was taken"],
-  ["arw.DateTimeOriginal", "", "Date and time when the original Sony Alpha RAW image was taken"],
-  ["cr3.DateTimeOriginal", "", "Date and time when the original Canon RAW image was taken"],
-  ["sr2.DateTimeOriginal", "", "Date and time when the original Sony RAW image was taken"],
-  ["orf.DateTimeOriginal", "", "Date and time when the original Olympus RAW image was taken"],
-  
-  ["ifd0.ModifyDate", "", "Modificaton date from the idf0 section"],
-  ["xmp:ModifyDate", "", "Date and time when the image was last modified (XMP standard)"]
-
 ];

src/common/Utils.ts

@@ -230,6 +230,10 @@ export class Utils {
     }
   }
 
+    static getLocalTimeMS(creationDate: number, creationDateOffset: string) {
+    const offsetMinutes = Utils.getOffsetMinutes(creationDateOffset);
+    return creationDate + (offsetMinutes ? (offsetMinutes * 60000) : 0);
+  }
   
   static isLeapYear(year: number) {
     return (0 == year % 4) && (0 != year % 100) || (0 == year % 400)