blueimp-load-image - npm Package Compare versions

Comparing version 4.0.1 to 5.0.0

js/load-image-exif-map.js

@@ -82,2 +82,5 @@ /*
       0x9004: 'DateTimeDigitized', // Date and time when the image was stored digitally
+      0x9010: 'OffsetTime', // Time zone when the image file was last changed
+      0x9011: 'OffsetTimeOriginal', // Time zone when the image was stored digitally
+      0x9012: 'OffsetTimeDigitized', // Time zone when the image was stored digitally
       0x9290: 'SubSecTime', // Fractions of seconds for DateTime
@@ -181,2 +184,5 @@ 0x9291: 'SubSecTimeOriginal', // Fractions of seconds for DateTimeOriginal
 
+  // IFD1 directory can contain any IFD0 tags:
+  ExifMapProto.tags.ifd1 = ExifMapProto.tags
+
   ExifMapProto.stringValues = {
@@ -377,3 +383,3 @@ ExposureProgram: {
         if (obj && obj.getAll) {
-          map[this.privateIFDs[prop].name] = obj.getAll()
+          map[this.ifds[prop].name] = obj.getAll()
         } else {
@@ -390,3 +396,3 @@ name = this.tags[prop]
     var name = this.tags[tagCode]
-    if (typeof name === 'object') return this.privateIFDs[tagCode].name
+    if (typeof name === 'object') return this.ifds[tagCode].name
     return name
@@ -399,3 +405,3 @@ }
     var prop
-    var privateIFD
+    var ifd
     var subTags
@@ -405,8 +411,8 @@ // Map the tag names to tags:
       if (Object.prototype.hasOwnProperty.call(tags, prop)) {
-        privateIFD = ExifMapProto.privateIFDs[prop]
-        if (privateIFD) {
+        ifd = ExifMapProto.ifds[prop]
+        if (ifd) {
           subTags = tags[prop]
           for (prop in subTags) {
             if (Object.prototype.hasOwnProperty.call(subTags, prop)) {
-              privateIFD.map[subTags[prop]] = Number(prop)
+              ifd.map[subTags[prop]] = Number(prop)
             }
@@ -413,0 +419,0 @@ }

js/load-image-exif.js

@@ -35,3 +35,3 @@ /*
    * @class
-   * @param {number} tagCode Private IFD tag code
+   * @param {number|string} tagCode IFD tag code
    */
@@ -41,3 +41,3 @@ function ExifMap(tagCode) {
       Object.defineProperty(this, 'map', {
-        value: this.privateIFDs[tagCode].map
+        value: this.ifds[tagCode].map
       })
@@ -52,3 +52,4 @@ Object.defineProperty(this, 'tags', {
     Orientation: 0x0112,
-    Thumbnail: 0x0201,
+    Thumbnail: 'ifd1',
+    Blob: 0x0201, // Alias for JPEGInterchangeFormat
     Exif: 0x8769,
@@ -59,3 +60,4 @@ GPSInfo: 0x8825,
 
-  ExifMap.prototype.privateIFDs = {
+  ExifMap.prototype.ifds = {
+    ifd1: { name: 'Thumbnail', map: ExifMap.prototype.map },
     0x8769: { name: 'Exif', map: {} },
@@ -89,5 +91,8 @@ 0x8825: { name: 'GPSInfo', map: {} },
     }
-    return new Blob([dataView.buffer.slice(offset, offset + length)], {
-      type: 'image/jpeg'
-    })
+    return new Blob(
+      [loadImage.bufferSlice.call(dataView.buffer, offset, offset + length)],
+      {
+        type: 'image/jpeg'
+      }
+    )
   }
@@ -225,2 +230,17 @@
   /**
+   * Determines if the given tag should be included.
+   *
+   * @param {object} includeTags Map of tags to include
+   * @param {object} excludeTags Map of tags to exclude
+   * @param {number|string} tagCode Tag code to check
+   * @returns {boolean} True if the tag should be included
+   */
+  function shouldIncludeTag(includeTags, excludeTags, tagCode) {
+    return (
+      (!includeTags || includeTags[tagCode]) &&
+      (!excludeTags || excludeTags[tagCode] !== true)
+    )
+  }
+
+  /**
    * Parses Exif tags.
@@ -262,4 +282,3 @@ *
       tagNumber = dataView.getUint16(tagOffset, littleEndian)
-      if (includeTags && !includeTags[tagNumber]) continue
-      if (excludeTags && excludeTags[tagNumber] === true) continue
+      if (!shouldIncludeTag(includeTags, excludeTags, tagNumber)) continue
       tagValue = getExifValue(
@@ -283,6 +302,6 @@ dataView,
   /**
-   * Parses Private IFD tags.
+   * Parses tags in a given IFD (Image File Directory).
    *
    * @param {object} data Data object to store exif tags and offsets
-   * @param {number} tagCode Private IFD tag code
+   * @param {number|string} tagCode IFD tag code
    * @param {DataView} dataView Data view interface
@@ -294,3 +313,3 @@ * @param {number} tiffOffset TIFF offset
    */
-  function parseExifPrivateIFD(
+  function parseExifIFD(
     data,
@@ -337,3 +356,3 @@ tagCode,
     var dirOffset
-    var privateIFDs
+    var thumbnailIFD
     // Check for the ASCII code for "Exif" (0x45786966):
@@ -379,4 +398,4 @@ if (dataView.getUint32(offset + 4) !== 0x45786966) {
     }
-    // Parse the tags of the main image directory and retrieve the
-    // offset to the next directory, usually the thumbnail directory:
+    // Parse the tags of the main image directory (IFD0) and retrieve the
+    // offset to the next directory (IFD1), usually the thumbnail directory:
     dirOffset = parseExifTags(
@@ -392,25 +411,10 @@ dataView,
     )
-    if (dirOffset && !options.disableExifThumbnail) {
-      dirOffset = parseExifTags(
-        dataView,
-        tiffOffset,
-        tiffOffset + dirOffset,
-        littleEndian,
-        data.exif,
-        data.exifOffsets,
-        includeTags,
-        excludeTags
-      )
-      // Check for JPEG Thumbnail offset:
-      if (data.exif[0x0201] && data.exif[0x0202]) {
-        data.exif[0x0201] = getExifThumbnail(
-          dataView,
-          tiffOffset + data.exif[0x0201],
-          data.exif[0x0202] // Thumbnail data length
-        )
+    if (dirOffset && shouldIncludeTag(includeTags, excludeTags, 'ifd1')) {
+      data.exif.ifd1 = dirOffset
+      if (data.exifOffsets) {
+        data.exifOffsets.ifd1 = tiffOffset + dirOffset
       }
     }
-    privateIFDs = Object.keys(data.exif.privateIFDs)
-    privateIFDs.forEach(function (tagCode) {
-      parseExifPrivateIFD(
+    Object.keys(data.exif.ifds).forEach(function (tagCode) {
+      parseExifIFD(
         data,
@@ -425,2 +429,11 @@ tagCode,
     })
+    thumbnailIFD = data.exif.ifd1
+    // Check for JPEG Thumbnail offset and data length:
+    if (thumbnailIFD && thumbnailIFD[0x0201] && thumbnailIFD[0x0202]) {
+      thumbnailIFD[0x0201] = getExifThumbnail(
+        dataView,
+        tiffOffset + thumbnailIFD[0x0201],
+        thumbnailIFD[0x0202] // Thumbnail data length
+      )
+    }
   }
@@ -454,3 +467,2 @@
   // - disableExif: Disables Exif parsing when true.
-  // - disableExifThumbnail: Disables parsing of Thumbnail data when true.
   // - disableExifOffsets: Disables storing Exif tag offsets when true.
@@ -457,0 +469,0 @@ // - includeExifTags: A map of Exif tags to include for parsing.

js/load-image-iptc.js

@@ -78,3 +78,3 @@ /*
    *
-   * @param {number} tagCode Private IFD tag code
+   * @param {number} tagCode tag code
    * @param {IptcMap} map IPTC tag map
@@ -81,0 +81,0 @@ * @param {DataView} dataView Data view interface

js/load-image-meta.js

@@ -32,4 +32,4 @@ /*
 
-  var hasblobSlice =
-    typeof Blob !== 'undefined' &&
+  loadImage.blobSlice =
+    loadImage.global.Blob &&
     (Blob.prototype.slice ||
@@ -39,7 +39,12 @@ Blob.prototype.webkitSlice ||
 
-  loadImage.blobSlice =
-    hasblobSlice &&
-    function () {
-      var slice = this.slice || this.webkitSlice || this.mozSlice
-      return slice.apply(this, arguments)
+  loadImage.bufferSlice =
+    loadImage.global.ArrayBuffer.prototype.slice ||
+    function (begin, end) {
+      // Polyfill for IE10, which does not support ArrayBuffer.slice
+      // eslint-disable-next-line no-param-reassign
+      end = end || this.byteLength - begin
+      var arr1 = new Uint8Array(this, begin, end)
+      var arr2 = new Uint8Array(end)
+      arr2.set(arr1)
+      return arr2.buffer
     }
@@ -70,3 +75,3 @@
     var noMetaData = !(
-      typeof DataView !== 'undefined' &&
+      loadImage.global.DataView &&
       file &&
@@ -102,4 +107,2 @@ file.size >= 12 &&
           var i
-          var arr1
-          var arr2
           // Check for the JPEG marker (0xffd8):
@@ -150,12 +153,3 @@ if (dataView.getUint16(0) === 0xffd8) {
             if (!options.disableImageHead && headLength > 6) {
-              if (buffer.slice) {
-                data.imageHead = buffer.slice(0, headLength)
-              } else {
-                // Workaround for IE10, which does not support
-                // ArrayBuffer.slice:
-                arr1 = new Uint8Array(buffer, 0, headLength)
-                arr2 = new Uint8Array(headLength)
-                arr2.set(arr1)
-                data.imageHead = arr2.buffer
-              }
+              data.imageHead = loadImage.bufferSlice.call(buffer, 0, headLength)
             }
@@ -162,0 +156,0 @@ } else {

js/load-image.all.min.js

@@ -1,2 +0,2 @@
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n=e.ExifMap.prototype;n.tags={256:"ImageWidth",257:"ImageHeight",258:"BitsPerSample",259:"Compression",262:"PhotometricInterpretation",274:"Orientation",277:"SamplesPerPixel",284:"PlanarConfiguration",530:"YCbCrSubSampling",531:"YCbCrPositioning",282:"XResolution",283:"YResolution",296:"ResolutionUnit",273:"StripOffsets",278:"RowsPerStrip",279:"StripByteCounts",513:"JPEGInterchangeFormat",514:"JPEGInterchangeFormatLength",301:"TransferFunction",318:"WhitePoint",319:"PrimaryChromaticities",529:"YCbCrCoefficients",532:"ReferenceBlackWhite",306:"DateTime",270:"ImageDescription",271:"Make",272:"Model",305:"Software",315:"Artist",33432:"Copyright",34665:{36864:"ExifVersion",40960:"FlashpixVersion",40961:"ColorSpace",40962:"PixelXDimension",40963:"PixelYDimension",42240:"Gamma",37121:"ComponentsConfiguration",37122:"CompressedBitsPerPixel",37500:"MakerNote",37510:"UserComment",40964:"RelatedSoundFile",36867:"DateTimeOriginal",36868:"DateTimeDigitized",37520:"SubSecTime",37521:"SubSecTimeOriginal",37522:"SubSecTimeDigitized",33434:"ExposureTime",33437:"FNumber",34850:"ExposureProgram",34852:"SpectralSensitivity",34855:"PhotographicSensitivity",34856:"OECF",34864:"SensitivityType",34865:"StandardOutputSensitivity",34866:"RecommendedExposureIndex",34867:"ISOSpeed",34868:"ISOSpeedLatitudeyyy",34869:"ISOSpeedLatitudezzz",37377:"ShutterSpeedValue",37378:"ApertureValue",37379:"BrightnessValue",37380:"ExposureBias",37381:"MaxApertureValue",37382:"SubjectDistance",37383:"MeteringMode",37384:"LightSource",37385:"Flash",37396:"SubjectArea",37386:"FocalLength",41483:"FlashEnergy",41484:"SpatialFrequencyResponse",41486:"FocalPlaneXResolution",41487:"FocalPlaneYResolution",41488:"FocalPlaneResolutionUnit",41492:"SubjectLocation",41493:"ExposureIndex",41495:"SensingMethod",41728:"FileSource",41729:"SceneType",41730:"CFAPattern",41985:"CustomRendered",41986:"ExposureMode",41987:"WhiteBalance",41988:"DigitalZoomRatio",41989:"FocalLengthIn35mmFilm",41990:"SceneCaptureType",41991:"GainControl",41992:"Contrast",41993:"Saturation",41994:"Sharpness",41995:"DeviceSettingDescription",41996:"SubjectDistanceRange",42016:"ImageUniqueID",42032:"CameraOwnerName",42033:"BodySerialNumber",42034:"LensSpecification",42035:"LensMake",42036:"LensModel",42037:"LensSerialNumber"},34853:{0:"GPSVersionID",1:"GPSLatitudeRef",2:"GPSLatitude",3:"GPSLongitudeRef",4:"GPSLongitude",5:"GPSAltitudeRef",6:"GPSAltitude",7:"GPSTimeStamp",8:"GPSSatellites",9:"GPSStatus",10:"GPSMeasureMode",11:"GPSDOP",12:"GPSSpeedRef",13:"GPSSpeed",14:"GPSTrackRef",15:"GPSTrack",16:"GPSImgDirectionRef",17:"GPSImgDirection",18:"GPSMapDatum",19:"GPSDestLatitudeRef",20:"GPSDestLatitude",21:"GPSDestLongitudeRef",22:"GPSDestLongitude",23:"GPSDestBearingRef",24:"GPSDestBearing",25:"GPSDestDistanceRef",26:"GPSDestDistance",27:"GPSProcessingMethod",28:"GPSAreaInformation",29:"GPSDateStamp",30:"GPSDifferential",31:"GPSHPositioningError"},40965:{1:"InteroperabilityIndex"}},n.stringValues={ExposureProgram:{0:"Undefined",1:"Manual",2:"Normal 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sensor",5:"Color sequential area sensor",7:"Trilinear sensor",8:"Color sequential linear sensor"},SceneCaptureType:{0:"Standard",1:"Landscape",2:"Portrait",3:"Night scene"},SceneType:{1:"Directly photographed"},CustomRendered:{0:"Normal process",1:"Custom process"},WhiteBalance:{0:"Auto white balance",1:"Manual white balance"},GainControl:{0:"None",1:"Low gain up",2:"High gain up",3:"Low gain down",4:"High gain down"},Contrast:{0:"Normal",1:"Soft",2:"Hard"},Saturation:{0:"Normal",1:"Low saturation",2:"High saturation"},Sharpness:{0:"Normal",1:"Soft",2:"Hard"},SubjectDistanceRange:{0:"Unknown",1:"Macro",2:"Close view",3:"Distant view"},FileSource:{3:"DSC"},ComponentsConfiguration:{0:"",1:"Y",2:"Cb",3:"Cr",4:"R",5:"G",6:"B"},Orientation:{1:"top-left",2:"top-right",3:"bottom-right",4:"bottom-left",5:"left-top",6:"right-top",7:"right-bottom",8:"left-bottom"}},n.getText=function(e){var t=this.get(e);switch(e){case"LightSource":case"Flash":case"MeteringMode":case"ExposureProgram":case"SensingMethod":case"SceneCaptureType":case"SceneType":case"CustomRendered":case"WhiteBalance":case"GainControl":case"Contrast":case"Saturation":case"Sharpness":case"SubjectDistanceRange":case"FileSource":case"Orientation":return this.stringValues[e][t];case"ExifVersion":case"FlashpixVersion":if(!t)return;return String.fromCharCode(t[0],t[1],t[2],t[3]);case"ComponentsConfiguration":if(!t)return;return this.stringValues[e][t[0]]+this.stringValues[e][t[1]]+this.stringValues[e][t[2]]+this.stringValues[e][t[3]];case"GPSVersionID":if(!t)return;return t[0]+"."+t[1]+"."+t[2]+"."+t[3]}return String(t)},n.getAll=function(){var e,t,i,a={};for(e in this)Object.prototype.hasOwnProperty.call(this,e)&&((t=this[e])&&t.getAll?a[this.ifds[e].name]=t.getAll():(i=this.tags[e])&&(a[i]=this.getText(i)));return a},n.getName=function(e){var t=this.tags[e];return"object"==typeof t?this.ifds[e].name:t},function(){var e,t,i,a=n.tags;for(e in a)if(Object.prototype.hasOwnProperty.call(a,e))if(t=n.ifds[e])for(e in i=a[e])Object.prototype.hasOwnProperty.call(i,e)&&(t.map[i[e]]=Number(e));else n.map[a[e]]=Number(e)}()}),function(e){"use strict";"function"==typeof define&&define.amd?define(["./load-image","./load-image-meta"],e):"object"==typeof module&&module.exports?e(require("./load-image"),require("./load-image-meta")):e(window.loadImage)}(function(e){"use strict";function g(){}function m(e,t,i,a,n){return"binary"===t.types[e]?new Blob([i.buffer.slice(a,a+n)]):"Uint16"===t.types[e]?i.getUint16(a):function(e,t,i){for(var a="",n=t+i,r=t;r<n;r+=1)a+=String.fromCharCode(e.getUint8(r));return a}(i,a,n)}function h(e,t,i,a,n,r){for(var o,s,l,c,f,u=t+i,d=t;d<u;)28===e.getUint8(d)&&2===e.getUint8(d+1)&&(l=e.getUint8(d+2),n&&!n[l]||r&&r[l]||(s=e.getInt16(d+3),o=m(l,a.iptc,e,d+5,s),a.iptc[l]=(c=a.iptc[l],f=o,void 0===c?f:c instanceof Array?(c.push(f),c):[c,f]),a.iptcOffsets&&(a.iptcOffsets[l]=d))),d+=1}g.prototype.map={ObjectName:5},g.prototype.types={0:"Uint16",200:"Uint16",201:"Uint16",202:"binary"},g.prototype.get=function(e){return this[e]||this[this.map[e]]},e.parseIptcData=function(e,t,i,a,n){if(!n.disableIptc)for(var r,o,s,l,c=t+i;t+8<c;){if(l=t,943868237===(s=e).getUint32(l)&&1028===s.getUint16(l+4)){var f=(r=t,o=void 0,(o=e.getUint8(r+7))%2!=0&&(o+=1),0===o&&(o=4),o),u=t+8+f;if(c<u){console.log("Invalid IPTC data: Invalid segment offset.");break}var d=e.getUint16(t+6+f);if(c<t+d){console.log("Invalid IPTC data: Invalid segment size.");break}return a.iptc=new g,n.disableIptcOffsets||(a.iptcOffsets=new g),void h(e,u,d,a,n.includeIptcTags,n.excludeIptcTags||{202:!0})}t+=1}},e.metaDataParsers.jpeg[65517].push(e.parseIptcData),e.IptcMap=g}),function(e){"use strict";"function"==typeof define&&define.amd?define(["./load-image","./load-image-iptc"],e):"object"==typeof module&&module.exports?e(require("./load-image"),require("./load-image-iptc")):e(window.loadImage)}(function(e){"use strict";var a=e.IptcMap.prototype;a.tags={0:"ApplicationRecordVersion",3:"ObjectTypeReference",4:"ObjectAttributeReference",5:"ObjectName",7:"EditStatus",8:"EditorialUpdate",10:"Urgency",12:"SubjectReference",15:"Category",20:"SupplementalCategories",22:"FixtureIdentifier",25:"Keywords",26:"ContentLocationCode",27:"ContentLocationName",30:"ReleaseDate",35:"ReleaseTime",37:"ExpirationDate",38:"ExpirationTime",40:"SpecialInstructions",42:"ActionAdvised",45:"ReferenceService",47:"ReferenceDate",50:"ReferenceNumber",55:"DateCreated",60:"TimeCreated",62:"DigitalCreationDate",63:"DigitalCreationTime",65:"OriginatingProgram",70:"ProgramVersion",75:"ObjectCycle",80:"Byline",85:"BylineTitle",90:"City",92:"Sublocation",95:"State",100:"CountryCode",101:"Country",103:"OriginalTransmissionReference",105:"Headline",110:"Credit",115:"Source",116:"CopyrightNotice",118:"Contact",120:"Caption",121:"LocalCaption",122:"Writer",125:"RasterizedCaption",130:"ImageType",131:"ImageOrientation",135:"LanguageIdentifier",150:"AudioType",151:"AudioSamplingRate",152:"AudioSamplingResolution",153:"AudioDuration",154:"AudioOutcue",184:"JobID",185:"MasterDocumentID",186:"ShortDocumentID",187:"UniqueDocumentID",188:"OwnerID",200:"ObjectPreviewFileFormat",201:"ObjectPreviewFileVersion",202:"ObjectPreviewData",221:"Prefs",225:"ClassifyState",228:"SimilarityIndex",230:"DocumentNotes",231:"DocumentHistory",232:"ExifCameraInfo",255:"CatalogSets"},a.stringValues={10:{0:"0 (reserved)",1:"1 (most urgent)",2:"2",3:"3",4:"4",5:"5 (normal urgency)",6:"6",7:"7",8:"8 (least urgent)",9:"9 (user-defined priority)"},75:{a:"Morning",b:"Both Morning and Evening",p:"Evening"},131:{L:"Landscape",P:"Portrait",S:"Square"}},a.getText=function(e){var t=this.get(e),i=this.map[e],a=this.stringValues[i];return a?a[t]:String(t)},a.getAll=function(){var e,t,i={};for(e in this)Object.prototype.hasOwnProperty.call(this,e)&&(t=this.tags[e])&&(i[t]=this.getText(t));return i},a.getName=function(e){return this.tags[e]},function(){var e,t=a.tags,i=a.map||{};for(e in t)Object.prototype.hasOwnProperty.call(t,e)&&(i[t[e]]=Number(e))}()});
 //# sourceMappingURL=load-image.all.min.js.map

package.json

 {
   "name": "blueimp-load-image",
-  "version": "4.0.1",
+  "version": "5.0.0",
   "title": "JavaScript Load Image",
@@ -5,0 +5,0 @@ "description": "JavaScript Load Image is a library to load images provided as File or Blob objects or via URL. It returns an optionally scaled and/or cropped HTML img or canvas element. It also provides methods to parse image meta data to extract IPTC and Exif tags as well as embedded thumbnail images and to restore the complete image header after resizing.",

README.md

@@ -67,2 +67,8 @@ # JavaScript Load Image
 
+Install via [NPM](https://www.npmjs.com/):
+
+```sh
+npm install blueimp-load-image
+```
+
 Include the (combined and minified) JavaScript Load Image script in your HTML
@@ -531,7 +537,13 @@ markup:
   function (img, data) {
-    var thumbBlob = data.exif && data.exif.get('Thumbnail')
-    if (thumbBlob) {
-      loadImage(thumbBlob, function (thumbImage) {
-        document.body.appendChild(thumbImage)
-      })
+    var exif = data.exif
+    var thumbnail = exif && exif.get('Thumbnail')
+    var blob = thumbnail.get('Blob')
+    if (blob) {
+      loadImage(
+        blob,
+        function (thumbImage) {
+          document.body.appendChild(thumbImage)
+        },
+        { orientation: exif.get('Orientation') }
+      )
     }
@@ -609,3 +621,2 @@ },
 - `disableExif`: Disables Exif parsing when `true`.
-- `disableExifThumbnail`: Disables parsing of Thumbnail data when `true`.
 - `disableExifOffsets`: Disables storing Exif tag offsets when `true`.
@@ -628,4 +639,6 @@ - `includeExifTags`: A map of Exif tags to include for parsing (includes all but
       0x0112: true, // Orientation
-      0x0201: true, // JPEGInterchangeFormat (Thumbnail data offset)
-      0x0202: true, // JPEGInterchangeFormatLength (Thumbnail data length)
+      ifd1: {
+        0x0201: true, // JPEGInterchangeFormat (Thumbnail data offset)
+        0x0202: true // JPEGInterchangeFormatLength (Thumbnail data length)
+      },
       0x8769: {
@@ -632,0 +645,0 @@ // ExifIFDPointer

No alert changes

Improved metrics

Total package byte prevSize

160407

increased by0.72%

Lines of code

2528

increased by0.4%

Number of lines in readme file

790

increased by1.67%

No dependency changes