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exifreader - npm Package Compare versions

Comparing version 3.10.0 to 3.11.0

2

dist/exif-reader.js

@@ -1,2 +0,2 @@

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Je(e,t){if(!(t+0+4>e.byteLength)){var n=T.getLongAt(e,t);return{value:n,description:"".concat(n,"px")}}}function $e(e,t){if(!(t+4+4>e.byteLength)){var n=T.getLongAt(e,t+4);return{value:n,description:"".concat(n,"px")}}}function Qe(e,t){if(!(t+8+1>e.byteLength)){var n=T.getByteAt(e,t+8);return{value:n,description:"".concat(n)}}}function Ze(e,t){if(!(t+9+1>e.byteLength)){var n=T.getByteAt(e,t+9);return{value:n,description:{0:"Grayscale",2:"RGB",3:"Palette",4:"Grayscale with Alpha",6:"RGB with Alpha"}[n]||"Unknown"}}}function et(e,t){if(!(t+10+1>e.byteLength)){var n=T.getByteAt(e,t+10);return{value:n,description:0===n?"Deflate/Inflate":"Unknown"}}}function tt(e,t){if(!(t+11+1>e.byteLength)){var n=T.getByteAt(e,t+11);return{value:n,description:0===n?"Adaptive":"Unknown"}}}function nt(e,t){if(!(t+12+1>e.byteLength)){var n=T.getByteAt(e,t+12);return{value:n,description:{0:"Noninterlaced",1:"Adam7 Interlace"}[n]||"Unknown"}}}function rt(e){return(rt="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e})(e)}var it=function(e,t,n){if((u=t)&&(void 0===u.Compression||6===u.Compression.value)&&u.JPEGInterchangeFormat&&u.JPEGInterchangeFormat.value&&u.JPEGInterchangeFormatLength&&u.JPEGInterchangeFormatLength.value){t.type="image/jpeg";var r=n+t.JPEGInterchangeFormat.value;t.image=e.buffer.slice(r,r+t.JPEGInterchangeFormatLength.value),o=function(){return e=this.image,"undefined"!=typeof btoa?btoa(Array.prototype.reduce.call(new Uint8Array(e),(function(e,t){return e+String.fromCharCode(t)}),"")):"undefined"!=typeof Buffer?void 0!==rt(Buffer.from)?Buffer.from(e).toString("base64"):new Buffer(e).toString("base64"):void 0;var e},a=0,Object.defineProperty(i=t,"base64",{get:function(){return a||(a=1,Object.defineProperty(i,"base64",{configurable:1,enumerable:1,value:o.apply(i),writable:1})),i.base64},configurable:1,enumerable:1})}var i,o,a,u;return t};function ot(e){this.name="MetadataMissingError",this.message=e||"No Exif data",this.stack=Error().stack}ot.prototype=Error();var at={MetadataMissingError:ot},ut=(t.default={load:ct,loadView:dt,errors:at},at);function ct(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{expanded:0};return ft(e)&&(e=new Uint8Array(e).buffer),dt(st(e),t)}function ft(e){try{return Buffer.isBuffer(e)}catch(e){return 0}}function st(e){try{return new DataView(e)}catch(t){return new c(e)}}function dt(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{expanded:0},n=0,r={},i=w(e),u=i.fileDataOffset,c=i.tiffHeaderOffset,f=i.iptcDataOffset,s=i.xmpChunks,d=i.iccChunks,l=i.pngHeaderOffset;if(lt(u)){n=1;var p=X(e,u);t.expanded?r.file=p:r=a({},r,p)}if(pt(c)){n=1;var m=z(e,c);if(m.Thumbnail&&(r.Thumbnail=m.Thumbnail,delete m.Thumbnail),t.expanded?(r.exif=m,mt(r)):r=a({},r,m),m["IPTC-NAA"]&&!gt(f)){var g=ie(m["IPTC-NAA"].value,0);t.expanded?r.iptc=g:r=a({},r,g)}if(m.ApplicationNotes&&!ht(s)){var h=ve(o(m.ApplicationNotes.value));t.expanded?r.xmp=h:r=a({},r,h)}if(m.ICC_Profile&&!vt(d)){var v=_e(m.ICC_Profile.value,[{offset:0,length:m.ICC_Profile.value.length,chunkNumber:1,chunksTotal:1}]);t.expanded?r.icc=v:r=a({},r,v)}}if(gt(f)){n=1;var y=ie(e,f);t.expanded?r.iptc=y:r=a({},r,y)}if(ht(s)){n=1;var S=ve(e,s);t.expanded?r.xmp=S:r=a({},r,S)}if(vt(d)){n=1;var b=_e(e,d);t.expanded?r.icc=b:r=a({},r,b)}if(yt(l)){n=1;var C=qe(e,l);t.expanded?r.pngFile=C:r=a({},r,C)}var A=it(e,r.Thumbnail,c);if(A?(n=1,r.Thumbnail=A):delete r.Thumbnail,!n)throw new at.MetadataMissingError;return r}function lt(e){return void 0!==e}function pt(e){return void 0!==e}function mt(e){e.exif&&(e.exif.GPSLatitude&&e.exif.GPSLatitudeRef&&(e.gps=e.gps||{},e.gps.Latitude=d(e.exif.GPSLatitude.value),"S"===e.exif.GPSLatitudeRef.value.join("")&&(e.gps.Latitude=-e.gps.Latitude)),e.exif.GPSLongitude&&e.exif.GPSLongitudeRef&&(e.gps=e.gps||{},e.gps.Longitude=d(e.exif.GPSLongitude.value),"W"===e.exif.GPSLongitudeRef.value.join("")&&(e.gps.Longitude=-e.gps.Longitude)),e.exif.GPSAltitude&&e.exif.GPSAltitudeRef&&(e.gps=e.gps||{},e.gps.Altitude=e.exif.GPSAltitude.value[0]/e.exif.GPSAltitude.value[1],1===e.exif.GPSAltitudeRef.value&&(e.gps.Altitude=-e.gps.Altitude)))}function gt(e){return void 0!==e}function ht(e){return Array.isArray(e)&&e.length>0}function vt(e){return Array.isArray(e)&&e.length>0}function yt(e){return void 0!==e}}])}));
//# sourceMappingURL=exif-reader.js.map

8

package.json
{
"name": "exifreader",
"version": "3.10.0",
"version": "3.11.0",
"description": "Library that parses Exif metadata in images.",

@@ -62,3 +62,3 @@ "author": "Mattias Wallander <mattias@wallander.eu>",

"test:e2e": "cypress run",
"test:all": "npm-run-all lint test test:e2e test:build test:build:custom",
"test:all": "npm-run-all lint coverage test:e2e test:build test:build:custom",
"postinstall": "node bin/build.js --only-with-config"

@@ -69,4 +69,4 @@ },

"statements": 95,
"branches": 89,
"functions": 97,
"branches": 94,
"functions": 98,
"lines": 96,

@@ -73,0 +73,0 @@ "reporter": [

34

README.md

@@ -25,5 +25,5 @@ ExifReader

| JPEG | **yes** | **yes** | **yes** | **yes** | **yes** |
| TIFF | **yes** | **yes** | **yes** | no | no |
| TIFF | **yes** | **yes** | **yes** | **yes** | no |
| PNG | no | no | **yes** | no | no |
| HEIC/HEIF | **yes** | no | no | no | no |
| HEIC/HEIF | **yes** | no | no | **yes** | no |
| WebP | **yes** | no | **yes** | **yes** | **yes** |

@@ -133,5 +133,14 @@

`fileBuffer` must be an `ArrayBuffer` or a `SharedArrayBuffer` for
browsers, or a `Buffer` for Node. See [examples folder](examples/) for more
directions on how to get the file contents in different environments.
browsers, or a `Buffer` for Node. See the
[examples site](https://mattiasw.github.io/ExifReader/) for more directions on
how to get the file contents in different environments.
### GPS
If `expanded: true` is specified in the options, there will be a `gps` group.
This group currently contains `Latitude`, `Longitude`, and `Altitude` which will
be negative for values that are south of the equator, west of the IRM, or below
sealevel. These are often more convenient values for regular use. For some
elaboration or if you need the original values, see [Notes](#notes) below.
### Using the thumbnail

@@ -161,3 +170,4 @@

See [examples/](examples/) directory for more details.
See the [examples site](https://mattiasw.github.io/ExifReader/) for more
details.

@@ -249,3 +259,3 @@ ### Configure a custom build

| `png_file` | PNG file details: image width, height etc. |
| `exif` | Regular Exif tags. If excluded, will also exclude `thumbnail`. For TIFF files, excluding this will also exclude IPTC and XMP. |
| `exif` | Regular Exif tags. If excluded, will also exclude `thumbnail`. For TIFF files, excluding this will also exclude IPTC, XMP, and ICC. |
| `iptc` | IPTC tags. |

@@ -267,3 +277,4 @@ | `xmp` | XMP tags. |

latter specifies if it's above sea level (positive) or below sea level
(negative).
(negative). If you don't want to calculate the final values yourself, see
[the section on GPS](#gps) for pre-calculated ones.
- Some XMP tags have processed values as descriptions. That means that e.g. an

@@ -296,4 +307,4 @@ `Orientation` value of `3` will have `Rotate 180` in the `description`

Full HTML example pages and a Node.js example are located in the
[examples/](examples/) directory.
Full HTML example pages and a Node.js example are located on the
[examples site](https://mattiasw.github.io/ExifReader/).

@@ -305,3 +316,5 @@ Tips

will load a lot of files and storing the tags. It can be really large for
some manufacturers. See the examples folder to see how you can do that.
some manufacturers. See the
[examples site](https://mattiasw.github.io/ExifReader/) to see how you can
do that.
- In some cases it can make sense to only load the beginning of the image

@@ -364,2 +377,3 @@ file. It's unfortunately not possible to know how big the meta data will be

- Add support for WebP images.
- Add support for ICC tags in TIFF images.
- **April 2020**:

@@ -366,0 +380,0 @@ - Add support for IPTC and XMP tags in TIFF images.

49

src/exif-reader.js

@@ -14,2 +14,3 @@ /**

import {getStringValueFromArray} from './utils.js';
import {getCalculatedGpsValue} from './tag-names-utils.js';
import ImageHeader from './image-header.js';

@@ -84,2 +85,3 @@ import Tags from './tags.js';

tags.exif = readTags;
addGpsGroup(tags);
} else {

@@ -106,2 +108,19 @@ tags = objectAssign({}, tags, readTags);

}
if (Constants.USE_TIFF && Constants.USE_ICC && readTags['ICC_Profile'] && !hasIccData(iccChunks)) {
const readIccTags = IccTags.read(
readTags['ICC_Profile'].value,
[{
offset: 0,
length: readTags['ICC_Profile'].value.length,
chunkNumber: 1,
chunksTotal: 1
}]
);
if (options.expanded) {
tags.icc = readIccTags;
} else {
tags = objectAssign({}, tags, readIccTags);
}
}
}

@@ -154,4 +173,4 @@

if (thumbnail) {
foundMetaData = true;
tags.Thumbnail = thumbnail;
foundMetaData = true;
} else {

@@ -176,2 +195,30 @@ delete tags.Thumbnail;

function addGpsGroup(tags) {
if (tags.exif) {
if (tags.exif.GPSLatitude && tags.exif.GPSLatitudeRef) {
tags.gps = tags.gps || {};
tags.gps.Latitude = getCalculatedGpsValue(tags.exif.GPSLatitude.value);
if (tags.exif.GPSLatitudeRef.value.join('') === 'S') {
tags.gps.Latitude = -tags.gps.Latitude;
}
}
if (tags.exif.GPSLongitude && tags.exif.GPSLongitudeRef) {
tags.gps = tags.gps || {};
tags.gps.Longitude = getCalculatedGpsValue(tags.exif.GPSLongitude.value);
if (tags.exif.GPSLongitudeRef.value.join('') === 'W') {
tags.gps.Longitude = -tags.gps.Longitude;
}
}
if (tags.exif.GPSAltitude && tags.exif.GPSAltitudeRef) {
tags.gps = tags.gps || {};
tags.gps.Altitude = tags.exif.GPSAltitude.value[0] / tags.exif.GPSAltitude.value[1];
if (tags.exif.GPSAltitudeRef.value === 1) {
tags.gps.Altitude = -tags.gps.Altitude;
}
}
}
}
function hasIptcData(iptcDataOffset) {

@@ -178,0 +225,0 @@ return iptcDataOffset !== undefined;

9

src/icc-tags.js

@@ -30,3 +30,3 @@ /* This Source Code Form is subject to the terms of the Mozilla Public

let offset = 0;
const buffer = dataView.buffer;
const buffer = getBuffer(dataView);

@@ -52,2 +52,9 @@ for (let chunkNumber = 1; chunkNumber <= iccData.length; chunkNumber++) {

function getBuffer(dataView) {
if (Array.isArray(dataView)) {
return (new DataView(Uint8Array.from(dataView).buffer)).buffer;
}
return dataView.buffer;
}
function iccDoesNotHaveTagCount(buffer) {

@@ -54,0 +61,0 @@ return buffer.length < (ICC_TAG_COUNT_OFFSET + 4);

55

src/image-header-heic.js

@@ -26,3 +26,3 @@ /* This Source Code Form is subject to the terms of the Mozilla Public

function findHeicOffsets(dataView) {
if (Constants.USE_EXIF) {
if (Constants.USE_EXIF || Constants.USE_ICC) {
const {offset: metaOffset, length: metaLength} = findMetaAtom(dataView);

@@ -34,11 +34,10 @@ if (metaOffset === undefined) {

const metaEndOffset = Math.min(metaOffset + metaLength, dataView.byteLength);
const {exifItemOffset, ilocOffset} = findExifItemAndIloc(dataView, metaOffset, metaEndOffset);
if ((exifItemOffset === undefined) || (ilocOffset === undefined)) {
return {hasAppMarkers: false};
}
const {exifItemOffset, ilocOffset, colrOffset} = findMetaItems(dataView, metaOffset, metaEndOffset);
const exifOffset = findExifOffset(dataView, exifItemOffset, ilocOffset, metaEndOffset);
const iccChunks = findIccChunks(dataView, colrOffset, metaEndOffset);
return {
hasAppMarkers: exifOffset !== undefined,
tiffHeaderOffset: exifOffset
hasAppMarkers: (exifOffset !== undefined) || (iccChunks !== undefined),
tiffHeaderOffset: exifOffset,
iccChunks
};

@@ -110,16 +109,20 @@ }

function findExifItemAndIloc(dataView, offset, metaEndOffset) {
function findMetaItems(dataView, offset, metaEndOffset) {
const STRING_SIZE = 4;
const EXIF_ITEM_INDEX_REL_OFFSET = -4;
const ITEM_INDEX_REL_OFFSET = -4;
const offsets = {
ilocOffset: undefined,
exifItemOffset: undefined,
ilocOffset: undefined
colrOffset: undefined
};
while ((offset + STRING_SIZE <= metaEndOffset)
&& (!offsets.exifItemOffset || !offsets.ilocOffset)) {
if (getStringFromDataView(dataView, offset, STRING_SIZE) === 'Exif') {
offsets.exifItemOffset = offset + EXIF_ITEM_INDEX_REL_OFFSET;
} else if (getStringFromDataView(dataView, offset, STRING_SIZE) === 'iloc') {
&& (!offsets.ilocOffset || !offsets.exifItemOffset || !offsets.colrOffset)) {
const itemName = getStringFromDataView(dataView, offset, STRING_SIZE);
if (Constants.USE_EXIF && (itemName === 'iloc')) {
offsets.ilocOffset = offset;
} else if (Constants.USE_EXIF && (itemName === 'Exif')) {
offsets.exifItemOffset = offset + ITEM_INDEX_REL_OFFSET;
} else if (Constants.USE_ICC && (itemName === 'colr')) {
offsets.colrOffset = offset + ITEM_INDEX_REL_OFFSET;
}

@@ -141,3 +144,3 @@

if (exifItemOffset + EXIF_ITEM_OFFSET_SIZE > metaEndOffset) {
if (!offset || !exifItemOffset || (exifItemOffset + EXIF_ITEM_OFFSET_SIZE > metaEndOffset)) {
return undefined;

@@ -164,1 +167,23 @@ }

}
function findIccChunks(dataView, offset, metaEndOffset) {
const ITEM_TYPE_OFFSET = 8;
const ITEM_TYPE_SIZE = 4;
const ITEM_CONTENT_OFFSET = 12;
if (!offset || (offset + ITEM_CONTENT_OFFSET > metaEndOffset)) {
return undefined;
}
const colorType = getStringFromDataView(dataView, offset + ITEM_TYPE_OFFSET, ITEM_TYPE_SIZE);
if ((colorType !== 'prof') && (colorType !== 'rICC')) {
return undefined;
}
return [{
offset: offset + ITEM_CONTENT_OFFSET,
length: getAtomLength(dataView, offset) - ITEM_CONTENT_OFFSET,
chunkNumber: 1,
chunksTotal: 1
}];
}

10

src/tag-names-gps-ifd.js

@@ -5,3 +5,3 @@ /* This Source Code Form is subject to the terms of the Mozilla Public

import {getEncodedString} from './tag-names-utils.js';
import {getEncodedString, getCalculatedGpsValue} from './tag-names-utils.js';

@@ -32,5 +32,3 @@ export default {

'name': 'GPSLatitude',
'description': (value) => {
return (value[0][0] / value[0][1]) + (value[1][0] / value[1][1]) / 60 + (value[2][0] / value[2][1]) / 3600;
}
'description': getCalculatedGpsValue
},

@@ -51,5 +49,3 @@ 0x0003: {

'name': 'GPSLongitude',
'description': (value) => {
return (value[0][0] / value[0][1]) + (value[1][0] / value[1][1]) / 60 + (value[2][0] / value[2][1]) / 3600;
}
'description': getCalculatedGpsValue
},

@@ -56,0 +52,0 @@ 0x0005: {

4

src/tag-names-utils.js

@@ -26,1 +26,5 @@ /* This Source Code Form is subject to the terms of the Mozilla Public

}
export function getCalculatedGpsValue(value) {
return (value[0][0] / value[0][1]) + (value[1][0] / value[1][1]) / 60 + (value[2][0] / value[2][1]) / 3600;
}

8

webpack.config.js

@@ -74,3 +74,3 @@ /* This Source Code Form is subject to the terms of the Mozilla Public

{
test: /\/(exif-reader|image-header-?(tiff|jpeg|png|heic)?)\.js$/,
test: /\/(exif-reader|image-header-?(tiff|jpeg|png|heic|webp)?)\.js$/,
loader: 'string-replace-loader',

@@ -100,3 +100,4 @@ options: {

'png',
'heic'
'heic',
'webp'
];

@@ -145,2 +146,5 @@

}
if (packageJson.include.icc) {
packageJson.include.exif.push('ICC_Profile');
}
}

@@ -147,0 +151,0 @@ return {include: packageJson.include};

dist/exif-reader.js.map

Sorry, the diff of this file is not supported yet

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