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exifreader - npm Package Compare versions

Comparing version 2.9.0 to 2.10.0

dist/exif-reader.js2
src/icc-tag-names.js
src/icc-tags.js

2

dist/exif-reader.js

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

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r=e[n];Array.isArray(r)||(r=[r]),r.forEach((function(e){Object.assign(t,s(e.attributes)),"object"===u(e.value)&&Object.assign(t,y(e.value))}))}return t}function s(e){var t={};for(var n in e)l(n)&&(t[g(n)]={value:e[n],attributes:{},description:v(e[n],n)});return t}function l(e){return"rdf:parseType"!==e&&!p(e)}function p(e){return"xmlns"===e.split(":")[0]}function g(e){return e.split(":")[1]}function v(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:void 0;if(Array.isArray(e))return function(e){return e.map((function(e){return void 0!==e.value?v(e.value):v(e)})).join(", ")}(e);if("object"===(void 0===e?"undefined":u(e)))return function(e){var t=[];for(var n in e)t.push(m(n)+": "+e[n].value);return t.join("; ")}(e);try{return t&&"function"==typeof i.default[t]?i.default[t](e):decodeURIComponent(escape(e))}catch(t){return e}}function 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n=s(e.attributes);return{value:n,attributes:{},description:v(n,t)}}(e,t):function(e){return void 0!==A(e.value)}(e)?function(e,t){var n=A(e.value).value["rdf:li"],r=C(e),i=[];return void 0===n?n=[]:Array.isArray(n)||(n=[n]),n.forEach((function(e){i.push(function(e){return S(e)?b(e):"Resource"===e.attributes["rdf:parseType"]?y(e.value):{value:e.value,attributes:C(e),description:v(e.value)}}(e))})),{value:i,attributes:r,description:v(i,t)}}(e,t):function(e,t){var n=D(e)||d(e.value);return{value:n,attributes:C(e),description:v(n,t)}}(e,t)}function S(e){return"Resource"===e.attributes["rdf:parseType"]&&void 0!==e.value["rdf:value"]||void 0!==e.value["rdf:Description"]&&void 0!==e.value["rdf:Description"].value["rdf:value"]}function b(e,t){var n=C(e);void 0!==e.value["rdf:Description"]&&(e=e.value["rdf:Description"]),Object.assign(n,C(e),function(e){var t={};for(var n in e.value)"rdf:value"===n||p(n)||(t[g(n)]=e.value[n].value);return t}(e));var r=function(e){return D(e.value["rdf:value"])||e.value["rdf:value"].value}(e);return{value:r,attributes:n,description:v(r,t)}}function C(e){var t={};for(var n in e.attributes)"rdf:parseType"===n||"rdf:resource"===n||p(n)||(t[g(n)]=e.attributes[n]);return t}function A(e){return e["rdf:Bag"]||e["rdf:Seq"]||e["rdf:Alt"]}function D(e){return e.attributes&&e.attributes["rdf:resource"]}e.default={read:function(e,n,r){try{return d(c(function e(t){for(var n=0;n<t.childNodes.length;n++){if("x:xmpmeta"===t.childNodes[n].tagName)return e(t.childNodes[n]);if("rdf:RDF"===t.childNodes[n].tagName)return t.childNodes[n]}throw new Error}(function(e,n,r){var i=o.default.get();if(!i)throw console.warn("Warning: DOMParser is not available. It is needed to be able to parse XMP tags."),new Error;var a=new i,u=(0,t.getStringFromDataView)(e,n,r),c=a.parseFromString(u,"application/xml");if("parsererror"===c.documentElement.nodeName)throw new Error(c.documentElement.textContent);return c}(e,n,r)),!0))}catch(e){return{}}}}})?r.apply(t,i):r)||(e.exports=o)},function(e,t,n){var r,i,o;i=[t],void 0===(o="function"==typeof(r=function(e){"use strict";Object.defineProperty(e,"__esModule",{value:!0});var t=function(e,t){if(Array.isArray(e))return e;if(Symbol.iterator in Object(e))return function(e,t){var n=[],r=!0,i=!1,o=void 0;try{for(var a,u=e[Symbol.iterator]();!(r=(a=u.next()).done)&&(n.push(a.value),!t||n.length!==t);r=!0);}catch(e){i=!0,o=e}finally{try{!r&&u.return&&u.return()}finally{if(i)throw o}}return n}(e,t);throw new TypeError("Invalid attempt to destructure non-iterable instance")};function n(e){var n=e.split(","),r=t(n,2),i=r[0],o=r[1];if(void 0!==i&&void 0!==o){var a=parseFloat(i),u=parseFloat(o),c=o.charAt(o.length-1);if(!Number.isNaN(a)&&!Number.isNaN(u))return""+(a+u/60)+c}return e}e.default={"tiff:Orientation":function(e){return"1"===e?"Horizontal (normal)":"2"===e?"Mirror horizontal":"3"===e?"Rotate 180":"4"===e?"Mirror vertical":"5"===e?"Mirror horizontal and rotate 270 CW":"6"===e?"Rotate 90 CW":"7"===e?"Mirror horizontal and rotate 90 CW":"8"===e?"Rotate 270 CW":e},"exif:GPSLatitude":n,"exif:GPSLongitude":n}})?r.apply(t,i):r)||(e.exports=o)},function(module,exports,__webpack_require__){var __WEBPACK_AMD_DEFINE_FACTORY__,__WEBPACK_AMD_DEFINE_ARRAY__,__WEBPACK_AMD_DEFINE_RESULT__,factory;factory=function(exports){"use strict";function get(){if("undefined"!=typeof DOMParser)return DOMParser;try{return eval("require")("xmldom").DOMParser}catch(e){return}}Object.defineProperty(exports,"__esModule",{value:!0}),exports.default={get:get}},__WEBPACK_AMD_DEFINE_ARRAY__=[exports],void 0===(__WEBPACK_AMD_DEFINE_RESULT__="function"==typeof(__WEBPACK_AMD_DEFINE_FACTORY__=factory)?__WEBPACK_AMD_DEFINE_FACTORY__.apply(exports,__WEBPACK_AMD_DEFINE_ARRAY__):__WEBPACK_AMD_DEFINE_FACTORY__)||(module.exports=__WEBPACK_AMD_DEFINE_RESULT__)},function(e,t,n){var r,i,o;i=[t,n(22),n(0)],void 0===(o="function"==typeof(r=function(e,t,n){"use strict";Object.defineProperty(e,"__esModule",{value:!0}),e.parseTags=l,e.default={read:function(e,t){try{for(var n=t.reduce((function(e,t){return e+t.length}),0),r=new Uint8Array(n),i=0,o=e.buffer,a=function(e){var n=t.find((function(t){return t.chunkNumber===e}));if(!n)throw new Error("ICC chunk "+e+" not found");var a=o.slice(n.offset,n.offset+n.length),u=new Uint8Array(a);r.set(u,i),i+=u.length},u=1;u<=t.length;u++)a(u);return l(new DataView(r.buffer))}catch(e){return{}}}};var r=84,i=128,o="acsp",a="desc",u="mluc",c="text",f="sig ",d=12;function s(e,t){return e.length<t+d}function l(e){var d=e.buffer,l=e.getUint32();if(e.byteLength!==l)throw 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k=(0,n.getStringFromDataView)(e,j+0,2),L=(0,n.getStringFromDataView)(e,j+2,2),V=e.getUint32(j+4),G=e.getUint32(j+8),B=(0,n.getUnicodeStringFromDataView)(e,F+G,V);N.push({languageCode:k,countryCode:L,text:B}),j+=T}if(1===x)g(v,U,N[0].text);else{for(var W={},z=0;z<N.length;z++)W[N[z].languageCode+"-"+N[z].countryCode]=N[z].text;g(v,U,W)}}else E===c?g(v,U,p(d.slice(F+8,F+O-7))):E===f&&g(v,U,p(d.slice(F+8,F+12)));P+=12}return v}function p(e){return String.fromCharCode.apply(null,new Uint8Array(e))}function g(e,n,r){t.iccTags[n]?e[t.iccTags[n].name]={value:r,description:r}:e[n]={value:r,description:r}}})?r.apply(t,i):r)||(e.exports=o)},function(e,t,n){var r,i,o;i=[t,n(0)],void 0===(o="function"==typeof(r=function(e,t){"use strict";function n(e){switch(e.toLowerCase()){case"appl":return"Apple";case"adbe":return"Adobe";case"msft":return"Microsoft";case"sunw":return"Sun Microsystems";case"sgi":return"Silicon Graphics";case"tgnt":return"Taligent";default:return e}}Object.defineProperty(e,"__esModule",{value:!0}),e.iccProfile=e.iccTags=void 0,e.iccTags={desc:{name:"ICC Description"},cprt:{name:"ICC Copyright"},dmdd:{name:"ICC Device Model Description"},vued:{name:"ICC Viewing Conditions Description"},dmnd:{name:"ICC Device Manufacturer for Display"},tech:{name:"Technology"}},e.iccProfile={4:{name:"Preferred CMM type",value:function(e,n){return(0,t.getStringFromDataView)(e,n,4)},description:function(e){return null!==e?n(e):""}},8:{name:"Profile Version",value:function(e,t){return e.getUint8(t).toString(10)+"."+(e.getUint8(t+1)>>4).toString(10)+"."+(e.getUint8(t+1)%16).toString(10)}},12:{name:"Profile/Device class",value:function(e,n){return(0,t.getStringFromDataView)(e,n,4)},description:function(e){switch(e.toLowerCase()){case"scnr":return"Input Device profile";case"mntr":return"Display Device profile";case"prtr":return"Output Device profile";case"link":return"DeviceLink profile";case"abst":return"Abstract profile";case"spac":return"ColorSpace profile";case"nmcl":return"NamedColor profile";case"cenc":return"ColorEncodingSpace profile";case"mid ":return"MultiplexIdentification profile";case"mlnk":return"MultiplexLink profile";case"mvis":return"MultiplexVisualization profile";default:return e}}},16:{name:"Color Space",value:function(e,n){return(0,t.getStringFromDataView)(e,n,4)}},20:{name:"Connection Space",value:function(e,n){return(0,t.getStringFromDataView)(e,n,4)}},24:{name:"ICC Profile Date",value:function(e,t){return function(e,t){var n=e.getUint16(t),r=e.getUint16(t+2)-1,i=e.getUint16(t+4),o=e.getUint16(t+6),a=e.getUint16(t+8),u=e.getUint16(t+10);return new Date(Date.UTC(n,r,i,o,a,u))}(e,t).toISOString()}},36:{name:"ICC Signature",value:function(e,t){return n=e.buffer.slice(t,t+4),String.fromCharCode.apply(null,new Uint8Array(n));var n}},40:{name:"Primary Platform",value:function(e,n){return(0,t.getStringFromDataView)(e,n,4)},description:function(e){return n(e)}},48:{name:"Device Manufacturer",value:function(e,n){return(0,t.getStringFromDataView)(e,n,4)},description:function(e){return n(e)}},52:{name:"Device Model Number",value:function(e,n){return(0,t.getStringFromDataView)(e,n,4)}},64:{name:"Rendering Intent",value:function(e,t){return e.getUint32(t)},description:function(e){switch(e){case 0:return"Perceptual";case 1:return"Relative Colorimetric";case 2:return"Saturation";case 3:return"Absolute Colorimetric";default:return e}}},80:{name:"Profile Creator",value:function(e,n){return(0,t.getStringFromDataView)(e,n,4)}}}})?r.apply(t,i):r)||(e.exports=o)},function(e,t,n){var r,i,o;i=[t],void 0===(o="function"==typeof(r=function(e){"use strict";function t(e){this.name="MetadataMissingError",this.message=e||"No Exif data",this.stack=(new Error).stack}Object.defineProperty(e,"__esModule",{value:!0}),t.prototype=new Error,e.default={MetadataMissingError:t}})?r.apply(t,i):r)||(e.exports=o)}])}));
//# sourceMappingURL=exif-reader.js.map

20

exif-reader.d.ts

@@ -18,2 +18,7 @@ /// <reference types="node" />

interface ValueTag {
description: string,
value: String
}
interface StringArrayTag {

@@ -40,11 +45,12 @@ id: number,

iptc?: Tags,
xmp?: XmpTags
xmp?: XmpTags,
icc?: IccTags
}
export function load(data: ArrayBuffer | SharedArrayBuffer | Buffer): Tags & XmpTags;
export function load(data: ArrayBuffer | SharedArrayBuffer | Buffer): Tags & XmpTags & IccTags;
export function load(data: ArrayBuffer | SharedArrayBuffer | Buffer, options: {expanded: true}): ExpandedTags;
export function load(data: ArrayBuffer | SharedArrayBuffer | Buffer, options: {expanded?: false}): Tags & XmpTags;
export function loadView(data: DataView): Tags & XmpTags;
export function load(data: ArrayBuffer | SharedArrayBuffer | Buffer, options: {expanded?: false}): Tags & XmpTags & IccTags;
export function loadView(data: DataView): Tags & XmpTags & IccTags;
export function loadView(data: DataView, options: {expanded: true}): ExpandedTags;
export function loadView(data: DataView, options: {expanded?: false}): Tags & XmpTags;
export function loadView(data: DataView, options: {expanded?: false}): Tags & XmpTags & IccTags;

@@ -269,1 +275,5 @@ export namespace errors {

}
interface IccTags {
[name: string]: ValueTag;
}

2

package.json
{
"name": "exifreader",
"version": "2.9.0",
"version": "2.10.0",
"description": "Library that parses Exif metadata in images.",

@@ -5,0 +5,0 @@ "author": "Mattias Wallander <mattias@wallander.eu>",

16

src/exif-reader.js

@@ -16,2 +16,3 @@ /**

import XmpTags from './xmp-tags';
import IccTags from './icc-tags';
import exifErrors from './errors';

@@ -43,3 +44,3 @@

const {fileDataOffset, tiffHeaderOffset, iptcDataOffset, xmpDataOffset, xmpFieldLength} = ImageHeader.parseAppMarkers(dataView);
const {fileDataOffset, tiffHeaderOffset, iptcDataOffset, xmpDataOffset, xmpFieldLength, iccChunks} = ImageHeader.parseAppMarkers(dataView);

@@ -82,2 +83,11 @@ if (hasFileData(fileDataOffset)) {

}
if (hasIccData(iccChunks)) {
foundMetaData = true;
const readTags = IccTags.read(dataView, iccChunks);
if (options.expanded) {
tags.icc = readTags;
} else {
tags = Object.assign({}, tags, readTags);
}
}
if (!foundMetaData) {

@@ -105,1 +115,5 @@ throw new exifErrors.MetadataMissingError();

}
function hasIccData(iccDataOffsets) {
return Array.isArray(iccDataOffsets) && iccDataOffsets.length > 0;
}

29

src/image-header.js

@@ -20,3 +20,8 @@ /* This Source Code Form is subject to the terms of the Mozilla Public

const XMP_DATA_OFFSET = 33; // From start of APP1 marker.
const APP2_ICC_DATA_OFFSET = 18; // From start of APP2 marker including marker and chunk/chunk total numbers
const APP2_ICC_IDENTIFIER = 'ICC_PROFILE\0';
const ICC_CHUNK_NUMBER_OFFSET = APP_ID_OFFSET + APP2_ICC_IDENTIFIER.length;
const ICC_TOTAL_CHUNKS_OFFSET = ICC_CHUNK_NUMBER_OFFSET + 1;
const SOF0_MARKER = 0xffc0;

@@ -31,5 +36,7 @@ const SOF2_MARKER = 0xffc2;

const APP1_MARKER = 0xffe1;
const APP2_MARKER = 0xffe2;
const APP13_MARKER = 0xffed;
const APP15_MARKER = 0xffef;
const COMMENT_MARKER = 0xfffe;
const APP1_EXIF_IDENTIFIER = 'Exif';

@@ -52,2 +59,3 @@ const APP1_XMP_IDENTIFIER = 'http://ns.adobe.com/xap/1.0/';

let xmpFieldLength;
let iccChunks;

@@ -80,2 +88,13 @@ if (isTiffFile(dataView)) {

iptcDataOffset = appMarkerPosition + IPTC_DATA_OFFSET;
} else if (isApp2ICCMarker(dataView, appMarkerPosition)) {
fieldLength = dataView.getUint16(appMarkerPosition + APP_MARKER_SIZE, false);
const iccDataOffset = appMarkerPosition + APP2_ICC_DATA_OFFSET;
const iccDataLength = fieldLength - (APP2_ICC_DATA_OFFSET - APP_MARKER_SIZE);
const iccChunkNumber = dataView.getUint8(appMarkerPosition + ICC_CHUNK_NUMBER_OFFSET, false);
const iccChunksTotal = dataView.getUint8(appMarkerPosition + ICC_TOTAL_CHUNKS_OFFSET, false);
if (!iccChunks) {
iccChunks = [];
}
iccChunks.push({offset: iccDataOffset, length: iccDataLength, chunkNumber: iccChunkNumber, chunksTotal: iccChunksTotal});
} else if (isAppMarker(dataView, appMarkerPosition)) {

@@ -95,3 +114,4 @@ fieldLength = dataView.getUint16(appMarkerPosition + APP_MARKER_SIZE, false);

xmpDataOffset,
xmpFieldLength
xmpFieldLength,
iccChunks
};

@@ -121,2 +141,9 @@ }

function isApp2ICCMarker(dataView, appMarkerPosition) {
const markerIdLength = APP2_ICC_IDENTIFIER.length;
return (dataView.getUint16(appMarkerPosition, false) === APP2_MARKER)
&& (getStringFromDataView(dataView, appMarkerPosition + APP_ID_OFFSET, markerIdLength) === APP2_ICC_IDENTIFIER);
}
function isApp1ExifMarker(dataView, appMarkerPosition) {

@@ -123,0 +150,0 @@ const markerIdLength = APP1_EXIF_IDENTIFIER.length;

12

src/utils.js

@@ -10,7 +10,15 @@ /* This Source Code Form is subject to the terms of the Mozilla Public

}
return getAsciiValue(chars).join('');
return getStringValueFromArray(chars).join('');
}
function getAsciiValue(charArray) {
export function getUnicodeStringFromDataView(dataView, offset, length) {
const chars = [];
for (let i = 0; i < length && offset + i < dataView.byteLength; i += 2) {
chars.push(dataView.getUint16(offset + i));
}
return getStringValueFromArray(chars).join('');
}
function getStringValueFromArray(charArray) {
return charArray.map((charCode) => String.fromCharCode(charCode));
}
dist/exif-reader.js.map

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