mirror of
https://github.com/viliusle/miniPaint.git
synced 2026-02-06 15:31:53 +00:00
libraries update, exif update
This commit is contained in:
Vilius
parent
868131ba13
commit
505973ce54
@ -13,7 +13,7 @@ Drag and Drop. Key features: layers, transparency, filters, no-flash, open sourc
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- Opera
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- IE 10+
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- Edge
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- Safari ?
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- Safari
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## Features
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@ -260,9 +260,9 @@
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<script src="libs/jquery.js"></script>
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<script src="libs/menu.js"></script>
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<script src="libs/imagefilters.min.js"></script>
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<script src="libs/imagefilters/imagefilters.min.js"></script>
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<script src="libs/glfx.js"></script>
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<script src="libs/exif.min.js"></script>
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<script src="libs/exif/exif.min.js"></script>
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<script src="libs/harmony.js"></script>
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<script src="libs/vintage.js"></script>
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<script src="libs/kdtree.js"></script>
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@ -270,8 +270,8 @@
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<script src="js/elements.js"></script>
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<script src="js/helpers.js"></script>
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<script src="libs/popup.js"></script>
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<script src="libs/canvas-toBlob.js"></script>
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<script src="libs/FileSaver.min.js"></script>
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<script src="libs/file-saver/canvas-toBlob.js"></script>
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<script src="libs/file-saver/FileSaver.min.js"></script>
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<script src="libs/jquery.translate.js"></script>
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<script src="languages/es.js"></script>
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@ -573,7 +573,7 @@ function EVENTS_CLASS() {
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if (this.file.type.match('image.*')) {
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//image
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LAYER.layer_add(this.file.name, event.target.result, this.file.type);
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EXIF.getData(this.file, FILE.save_EXIF);
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FILE.save_file_info(this.file);
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}
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else {
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//json
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38
js/file.js
38
js/file.js
@ -11,9 +11,12 @@ var FILE = new FILE_CLASS();
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function FILE_CLASS() {
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/**
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* exif data
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* file info: exif, general data
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*/
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this.EXIF = false;
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this.file_info = {
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general: [],
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exif: [],
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};
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/**
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* default name used for saving file
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@ -98,7 +101,8 @@ function FILE_CLASS() {
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if (this.file.type.match('image.*')) {
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//image
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LAYER.layer_add(this.file.name, event.target.result, this.file.type);
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EXIF.getData(this.file, this.save_EXIF);
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EXIF.getData(this.file, FILE.save_EXIF);
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FILE.save_file_info(this.file);
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}
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else {
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//json
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@ -311,15 +315,25 @@ function FILE_CLASS() {
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}, 1500);
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};
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this.save_EXIF = function () {
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this.EXIF = this.exifdata;
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//check length
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var n = 0;
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for (var i in this.EXIF){
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n++;
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}
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if (n == 0)
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this.EXIF = false;
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this.save_file_info = function (object) {
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this.file_info = {
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general: [],
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exif: [],
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};
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//exif data
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EXIF.getData(object, function() {
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FILE.file_info.exif = this.exifdata;
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});
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//general
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if(object.name != undefined)
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FILE.file_info.general.Name = object.name;
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if(object.size != undefined)
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FILE.file_info.general.Size = HELPER.number_format(object.size/1000, 2)+' KB';
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if(object.type != undefined)
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FILE.file_info.general.Type = object.type;
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if(object.lastModifiedDate != undefined)
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FILE.file_info.general['Last modified'] = object.lastModifiedDate;
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};
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this.load_json = function (data) {
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11
js/help.js
11
js/help.js
@ -10,17 +10,6 @@ var HELP = new HELP_CLASS();
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*/
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function HELP_CLASS() {
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/**
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* credits list config
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*/
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var CREDITS = [
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{title: 'Brush styles', name: 'Harmony', link: 'http://ricardocabello.com/blog/post/689' },
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{title: 'Effects library', name: 'glfx.js', link: 'http://evanw.github.io/glfx.js/' },
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{title: 'EXIF', name: 'exif.js', link: 'https://github.com/jseidelin/exif-js' },
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{title: 'Image filters', name: 'imageFilters.js',link: 'https://github.com/arahaya/ImageFilters.js' },
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{title: 'KD-tree', name: 'kdtree.js', link: 'http://jsdo.it/peko/wKvk' },
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];
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//shortcuts
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this.help_shortcuts = function () {
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POP.add({title: "D", value: 'Dublicate'});
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20
js/image.js
20
js/image.js
@ -18,9 +18,23 @@ function IMAGE_CLASS() {
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POP.add({title: "Width:", value: WIDTH});
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POP.add({title: "Height:", value: HEIGHT});
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POP.add({title: "Unique colors:", value: colors});
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//exif
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for (var i in TOOLS.EXIF)
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POP.add({title: i + ":", value: TOOLS.EXIF[i]});
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//show general data
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for (var i in FILE.file_info.general){
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POP.add({title: i + ":", value: FILE.file_info.general[i]});
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}
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//show exif data
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var n = 0;
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for (var i in FILE.file_info.exif){
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if(i == 'undefined')
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continue;
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if(n == 0)
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POP.add({title: "==== EXIF ====", value: ''});
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POP.add({title: i + ":", value: FILE.file_info.exif[i]});
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n++;
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}
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POP.show('Information', '');
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};
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@ -17,7 +17,10 @@ function MAIN_CLASS() {
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POP.height_mini = Math.round(POP.width_mini * HEIGHT / WIDTH);
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}
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EVENTS.autosize = true;
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FILE.EXIF = false;
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FILE.file_info = {
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general: [],
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exif: [],
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};
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DRAW.select_data = false;
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for (i = 1; i < LAYER.layers.length; i++)
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823
libs/exif.js
823
libs/exif.js
@ -1,823 +0,0 @@
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//JavaScript library for reading EXIF image metadata
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//https://github.com/exif-js/exif-js
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(function () {
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var debug = false;
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var root = this;
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var EXIF = function (obj) {
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if (obj instanceof EXIF)
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return obj;
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if (!(this instanceof EXIF))
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return new EXIF(obj);
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this.EXIFwrapped = obj;
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};
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if (typeof exports !== 'undefined') {
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if (typeof module !== 'undefined' && module.exports) {
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exports = module.exports = EXIF;
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}
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exports.EXIF = EXIF;
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} else {
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root.EXIF = EXIF;
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}
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var ExifTags = EXIF.Tags = {
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// version tags
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0x9000: "ExifVersion", // EXIF version
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0xA000: "FlashpixVersion", // Flashpix format version
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// colorspace tags
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0xA001: "ColorSpace", // Color space information tag
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// image configuration
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0xA002: "PixelXDimension", // Valid width of meaningful image
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0xA003: "PixelYDimension", // Valid height of meaningful image
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0x9101: "ComponentsConfiguration", // Information about channels
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0x9102: "CompressedBitsPerPixel", // Compressed bits per pixel
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// user information
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0x927C: "MakerNote", // Any desired information written by the manufacturer
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0x9286: "UserComment", // Comments by user
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// related file
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0xA004: "RelatedSoundFile", // Name of related sound file
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// date and time
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0x9003: "DateTimeOriginal", // Date and time when the original image was generated
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0x9004: "DateTimeDigitized", // Date and time when the image was stored digitally
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0x9290: "SubsecTime", // Fractions of seconds for DateTime
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0x9291: "SubsecTimeOriginal", // Fractions of seconds for DateTimeOriginal
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0x9292: "SubsecTimeDigitized", // Fractions of seconds for DateTimeDigitized
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// picture-taking conditions
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0x829A: "ExposureTime", // Exposure time (in seconds)
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0x829D: "FNumber", // F number
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0x8822: "ExposureProgram", // Exposure program
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0x8824: "SpectralSensitivity", // Spectral sensitivity
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0x8827: "ISOSpeedRatings", // ISO speed rating
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0x8828: "OECF", // Optoelectric conversion factor
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0x9201: "ShutterSpeedValue", // Shutter speed
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0x9202: "ApertureValue", // Lens aperture
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0x9203: "BrightnessValue", // Value of brightness
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0x9204: "ExposureBias", // Exposure bias
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0x9205: "MaxApertureValue", // Smallest F number of lens
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0x9206: "SubjectDistance", // Distance to subject in meters
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0x9207: "MeteringMode", // Metering mode
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0x9208: "LightSource", // Kind of light source
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0x9209: "Flash", // Flash status
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0x9214: "SubjectArea", // Location and area of main subject
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0x920A: "FocalLength", // Focal length of the lens in mm
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0xA20B: "FlashEnergy", // Strobe energy in BCPS
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0xA20C: "SpatialFrequencyResponse", //
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0xA20E: "FocalPlaneXResolution", // Number of pixels in width direction per FocalPlaneResolutionUnit
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0xA20F: "FocalPlaneYResolution", // Number of pixels in height direction per FocalPlaneResolutionUnit
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0xA210: "FocalPlaneResolutionUnit", // Unit for measuring FocalPlaneXResolution and FocalPlaneYResolution
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0xA214: "SubjectLocation", // Location of subject in image
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0xA215: "ExposureIndex", // Exposure index selected on camera
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0xA217: "SensingMethod", // Image sensor type
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0xA300: "FileSource", // Image source (3 == DSC)
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0xA301: "SceneType", // Scene type (1 == directly photographed)
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0xA302: "CFAPattern", // Color filter array geometric pattern
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0xA401: "CustomRendered", // Special processing
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0xA402: "ExposureMode", // Exposure mode
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0xA403: "WhiteBalance", // 1 = auto white balance, 2 = manual
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0xA404: "DigitalZoomRation", // Digital zoom ratio
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0xA405: "FocalLengthIn35mmFilm", // Equivalent foacl length assuming 35mm film camera (in mm)
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0xA406: "SceneCaptureType", // Type of scene
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0xA407: "GainControl", // Degree of overall image gain adjustment
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0xA408: "Contrast", // Direction of contrast processing applied by camera
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0xA409: "Saturation", // Direction of saturation processing applied by camera
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0xA40A: "Sharpness", // Direction of sharpness processing applied by camera
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0xA40B: "DeviceSettingDescription", //
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0xA40C: "SubjectDistanceRange", // Distance to subject
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// other tags
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0xA005: "InteroperabilityIFDPointer",
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0xA420: "ImageUniqueID" // Identifier assigned uniquely to each image
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};
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var TiffTags = EXIF.TiffTags = {
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0x0100: "ImageWidth",
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0x0101: "ImageHeight",
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0x8769: "ExifIFDPointer",
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0x8825: "GPSInfoIFDPointer",
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0xA005: "InteroperabilityIFDPointer",
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0x0102: "BitsPerSample",
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0x0103: "Compression",
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0x0106: "PhotometricInterpretation",
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0x0112: "Orientation",
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0x0115: "SamplesPerPixel",
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0x011C: "PlanarConfiguration",
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0x0212: "YCbCrSubSampling",
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0x0213: "YCbCrPositioning",
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0x011A: "XResolution",
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0x011B: "YResolution",
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0x0128: "ResolutionUnit",
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0x0111: "StripOffsets",
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0x0116: "RowsPerStrip",
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0x0117: "StripByteCounts",
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0x0201: "JPEGInterchangeFormat",
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0x0202: "JPEGInterchangeFormatLength",
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0x012D: "TransferFunction",
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0x013E: "WhitePoint",
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0x013F: "PrimaryChromaticities",
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0x0211: "YCbCrCoefficients",
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0x0214: "ReferenceBlackWhite",
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0x0132: "DateTime",
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0x010E: "ImageDescription",
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0x010F: "Make",
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0x0110: "Model",
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0x0131: "Software",
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0x013B: "Artist",
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0x8298: "Copyright"
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};
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var GPSTags = EXIF.GPSTags = {
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0x0000: "GPSVersionID",
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0x0001: "GPSLatitudeRef",
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0x0002: "GPSLatitude",
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0x0003: "GPSLongitudeRef",
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0x0004: "GPSLongitude",
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0x0005: "GPSAltitudeRef",
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0x0006: "GPSAltitude",
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0x0007: "GPSTimeStamp",
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0x0008: "GPSSatellites",
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0x0009: "GPSStatus",
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0x000A: "GPSMeasureMode",
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0x000B: "GPSDOP",
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0x000C: "GPSSpeedRef",
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0x000D: "GPSSpeed",
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0x000E: "GPSTrackRef",
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0x000F: "GPSTrack",
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0x0010: "GPSImgDirectionRef",
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0x0011: "GPSImgDirection",
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0x0012: "GPSMapDatum",
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0x0013: "GPSDestLatitudeRef",
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0x0014: "GPSDestLatitude",
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0x0015: "GPSDestLongitudeRef",
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0x0016: "GPSDestLongitude",
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0x0017: "GPSDestBearingRef",
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0x0018: "GPSDestBearing",
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0x0019: "GPSDestDistanceRef",
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0x001A: "GPSDestDistance",
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0x001B: "GPSProcessingMethod",
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0x001C: "GPSAreaInformation",
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0x001D: "GPSDateStamp",
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0x001E: "GPSDifferential"
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};
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var StringValues = EXIF.StringValues = {
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ExposureProgram: {
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0: "Not defined",
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1: "Manual",
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2: "Normal program",
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3: "Aperture priority",
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4: "Shutter priority",
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5: "Creative program",
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6: "Action program",
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7: "Portrait mode",
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8: "Landscape mode"
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},
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MeteringMode: {
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0: "Unknown",
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1: "Average",
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2: "CenterWeightedAverage",
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3: "Spot",
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4: "MultiSpot",
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5: "Pattern",
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6: "Partial",
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255: "Other"
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},
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LightSource: {
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0: "Unknown",
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1: "Daylight",
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2: "Fluorescent",
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3: "Tungsten (incandescent light)",
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4: "Flash",
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9: "Fine weather",
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10: "Cloudy weather",
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11: "Shade",
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12: "Daylight fluorescent (D 5700 - 7100K)",
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13: "Day white fluorescent (N 4600 - 5400K)",
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14: "Cool white fluorescent (W 3900 - 4500K)",
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15: "White fluorescent (WW 3200 - 3700K)",
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17: "Standard light A",
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18: "Standard light B",
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19: "Standard light C",
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20: "D55",
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21: "D65",
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22: "D75",
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23: "D50",
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24: "ISO studio tungsten",
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255: "Other"
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},
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Flash: {
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0x0000: "Flash did not fire",
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0x0001: "Flash fired",
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0x0005: "Strobe return light not detected",
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0x0007: "Strobe return light detected",
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0x0009: "Flash fired, compulsory flash mode",
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0x000D: "Flash fired, compulsory flash mode, return light not detected",
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0x000F: "Flash fired, compulsory flash mode, return light detected",
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0x0010: "Flash did not fire, compulsory flash mode",
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0x0018: "Flash did not fire, auto mode",
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0x0019: "Flash fired, auto mode",
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0x001D: "Flash fired, auto mode, return light not detected",
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0x001F: "Flash fired, auto mode, return light detected",
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0x0020: "No flash function",
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0x0041: "Flash fired, red-eye reduction mode",
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0x0045: "Flash fired, red-eye reduction mode, return light not detected",
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0x0047: "Flash fired, red-eye reduction mode, return light detected",
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0x0049: "Flash fired, compulsory flash mode, red-eye reduction mode",
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0x004D: "Flash fired, compulsory flash mode, red-eye reduction mode, return light not detected",
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0x004F: "Flash fired, compulsory flash mode, red-eye reduction mode, return light detected",
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0x0059: "Flash fired, auto mode, red-eye reduction mode",
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0x005D: "Flash fired, auto mode, return light not detected, red-eye reduction mode",
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0x005F: "Flash fired, auto mode, return light detected, red-eye reduction mode"
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},
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SensingMethod: {
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1: "Not defined",
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2: "One-chip color area sensor",
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3: "Two-chip color area sensor",
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4: "Three-chip color area sensor",
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5: "Color sequential area sensor",
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7: "Trilinear sensor",
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8: "Color sequential linear sensor"
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},
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SceneCaptureType: {
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0: "Standard",
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1: "Landscape",
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2: "Portrait",
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3: "Night scene"
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},
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SceneType: {
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1: "Directly photographed"
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},
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CustomRendered: {
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0: "Normal process",
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1: "Custom process"
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},
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WhiteBalance: {
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0: "Auto white balance",
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1: "Manual white balance"
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},
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GainControl: {
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0: "None",
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1: "Low gain up",
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2: "High gain up",
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3: "Low gain down",
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4: "High gain down"
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},
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Contrast: {
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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"
|
||||
},
|
||||
Components: {
|
||||
0: "",
|
||||
1: "Y",
|
||||
2: "Cb",
|
||||
3: "Cr",
|
||||
4: "R",
|
||||
5: "G",
|
||||
6: "B"
|
||||
}
|
||||
};
|
||||
|
||||
function addEvent(element, event, handler) {
|
||||
if (element.addEventListener) {
|
||||
element.addEventListener(event, handler, false);
|
||||
} else if (element.attachEvent) {
|
||||
element.attachEvent("on" + event, handler);
|
||||
}
|
||||
}
|
||||
|
||||
function imageHasData(img) {
|
||||
return !!(img.exifdata);
|
||||
}
|
||||
|
||||
|
||||
function base64ToArrayBuffer(base64, contentType) {
|
||||
contentType = contentType || base64.match(/^data\:([^\;]+)\;base64,/mi)[1] || ''; // e.g. 'data:image/jpeg;base64,...' => 'image/jpeg'
|
||||
base64 = base64.replace(/^data\:([^\;]+)\;base64,/gmi, '');
|
||||
var binary = atob(base64);
|
||||
var len = binary.length;
|
||||
var buffer = new ArrayBuffer(len);
|
||||
var view = new Uint8Array(buffer);
|
||||
for (var i = 0; i < len; i++) {
|
||||
view[i] = binary.charCodeAt(i);
|
||||
}
|
||||
return buffer;
|
||||
}
|
||||
|
||||
function objectURLToBlob(url, callback) {
|
||||
var http = new XMLHttpRequest();
|
||||
http.open("GET", url, true);
|
||||
http.responseType = "blob";
|
||||
http.onload = function (e) {
|
||||
if (this.status == 200 || this.status === 0) {
|
||||
callback(this.response);
|
||||
}
|
||||
};
|
||||
http.send();
|
||||
}
|
||||
|
||||
function getImageData(img, callback) {
|
||||
function handleBinaryFile(binFile) {
|
||||
var data = findEXIFinJPEG(binFile);
|
||||
var iptcdata = findIPTCinJPEG(binFile);
|
||||
img.exifdata = data || {};
|
||||
img.iptcdata = iptcdata || {};
|
||||
if (callback) {
|
||||
callback.call(img);
|
||||
}
|
||||
}
|
||||
|
||||
if (img.src) {
|
||||
if (/^data\:/i.test(img.src)) { // Data URI
|
||||
var arrayBuffer = base64ToArrayBuffer(img.src);
|
||||
handleBinaryFile(arrayBuffer);
|
||||
|
||||
} else if (/^blob\:/i.test(img.src)) { // Object URL
|
||||
var fileReader = new FileReader();
|
||||
fileReader.onload = function (e) {
|
||||
handleBinaryFile(e.target.result);
|
||||
};
|
||||
objectURLToBlob(img.src, function (blob) {
|
||||
fileReader.readAsArrayBuffer(blob);
|
||||
});
|
||||
} else {
|
||||
var http = new XMLHttpRequest();
|
||||
http.onload = function () {
|
||||
if (this.status == 200 || this.status === 0) {
|
||||
handleBinaryFile(http.response);
|
||||
} else {
|
||||
throw "Could not load image";
|
||||
}
|
||||
http = null;
|
||||
};
|
||||
http.open("GET", img.src, true);
|
||||
http.responseType = "arraybuffer";
|
||||
http.send(null);
|
||||
}
|
||||
} else if (window.FileReader && (img instanceof window.Blob || img instanceof window.File)) {
|
||||
var fileReader = new FileReader();
|
||||
fileReader.onload = function (e) {
|
||||
if (debug)
|
||||
console.log("Got file of length " + e.target.result.byteLength);
|
||||
handleBinaryFile(e.target.result);
|
||||
};
|
||||
|
||||
fileReader.readAsArrayBuffer(img);
|
||||
}
|
||||
}
|
||||
|
||||
function findEXIFinJPEG(file) {
|
||||
var dataView = new DataView(file);
|
||||
|
||||
if (debug)
|
||||
console.log("Got file of length " + file.byteLength);
|
||||
if ((dataView.getUint8(0) != 0xFF) || (dataView.getUint8(1) != 0xD8)) {
|
||||
if (debug)
|
||||
console.log("Not a valid JPEG");
|
||||
return false; // not a valid jpeg
|
||||
}
|
||||
|
||||
var offset = 2,
|
||||
length = file.byteLength,
|
||||
marker;
|
||||
|
||||
while (offset < length) {
|
||||
if (dataView.getUint8(offset) != 0xFF) {
|
||||
if (debug)
|
||||
console.log("Not a valid marker at offset " + offset + ", found: " + dataView.getUint8(offset));
|
||||
return false; // not a valid marker, something is wrong
|
||||
}
|
||||
|
||||
marker = dataView.getUint8(offset + 1);
|
||||
if (debug)
|
||||
console.log(marker);
|
||||
|
||||
// we could implement handling for other markers here,
|
||||
// but we're only looking for 0xFFE1 for EXIF data
|
||||
|
||||
if (marker == 225) {
|
||||
if (debug)
|
||||
console.log("Found 0xFFE1 marker");
|
||||
|
||||
return readEXIFData(dataView, offset + 4, dataView.getUint16(offset + 2) - 2);
|
||||
|
||||
// offset += 2 + file.getShortAt(offset+2, true);
|
||||
|
||||
} else {
|
||||
offset += 2 + dataView.getUint16(offset + 2);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
function findIPTCinJPEG(file) {
|
||||
var dataView = new DataView(file);
|
||||
|
||||
if (debug)
|
||||
console.log("Got file of length " + file.byteLength);
|
||||
if ((dataView.getUint8(0) != 0xFF) || (dataView.getUint8(1) != 0xD8)) {
|
||||
if (debug)
|
||||
console.log("Not a valid JPEG");
|
||||
return false; // not a valid jpeg
|
||||
}
|
||||
|
||||
var offset = 2,
|
||||
length = file.byteLength;
|
||||
|
||||
|
||||
var isFieldSegmentStart = function (dataView, offset) {
|
||||
return (
|
||||
dataView.getUint8(offset) === 0x38 &&
|
||||
dataView.getUint8(offset + 1) === 0x42 &&
|
||||
dataView.getUint8(offset + 2) === 0x49 &&
|
||||
dataView.getUint8(offset + 3) === 0x4D &&
|
||||
dataView.getUint8(offset + 4) === 0x04 &&
|
||||
dataView.getUint8(offset + 5) === 0x04
|
||||
);
|
||||
};
|
||||
|
||||
while (offset < length) {
|
||||
|
||||
if (isFieldSegmentStart(dataView, offset)) {
|
||||
|
||||
// Get the length of the name header (which is padded to an even number of bytes)
|
||||
var nameHeaderLength = dataView.getUint8(offset + 7);
|
||||
if (nameHeaderLength % 2 !== 0)
|
||||
nameHeaderLength += 1;
|
||||
// Check for pre photoshop 6 format
|
||||
if (nameHeaderLength === 0) {
|
||||
// Always 4
|
||||
nameHeaderLength = 4;
|
||||
}
|
||||
|
||||
var startOffset = offset + 8 + nameHeaderLength;
|
||||
var sectionLength = dataView.getUint16(offset + 6 + nameHeaderLength);
|
||||
|
||||
return readIPTCData(file, startOffset, sectionLength);
|
||||
|
||||
break;
|
||||
|
||||
}
|
||||
|
||||
|
||||
// Not the marker, continue searching
|
||||
offset++;
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
var IptcFieldMap = {
|
||||
0x78: 'caption',
|
||||
0x6E: 'credit',
|
||||
0x19: 'keywords',
|
||||
0x37: 'dateCreated',
|
||||
0x50: 'byline',
|
||||
0x55: 'bylineTitle',
|
||||
0x7A: 'captionWriter',
|
||||
0x69: 'headline',
|
||||
0x74: 'copyright',
|
||||
0x0F: 'category'
|
||||
};
|
||||
function readIPTCData(file, startOffset, sectionLength) {
|
||||
var dataView = new DataView(file);
|
||||
var data = {};
|
||||
var fieldValue, fieldName, dataSize, segmentType, segmentSize;
|
||||
var segmentStartPos = startOffset;
|
||||
while (segmentStartPos < startOffset + sectionLength) {
|
||||
if (dataView.getUint8(segmentStartPos) === 0x1C && dataView.getUint8(segmentStartPos + 1) === 0x02) {
|
||||
segmentType = dataView.getUint8(segmentStartPos + 2);
|
||||
if (segmentType in IptcFieldMap) {
|
||||
dataSize = dataView.getInt16(segmentStartPos + 3);
|
||||
segmentSize = dataSize + 5;
|
||||
fieldName = IptcFieldMap[segmentType];
|
||||
fieldValue = getStringFromDB(dataView, segmentStartPos + 5, dataSize);
|
||||
// Check if we already stored a value with this name
|
||||
if (data.hasOwnProperty(fieldName)) {
|
||||
// Value already stored with this name, create multivalue field
|
||||
if (data[fieldName] instanceof Array) {
|
||||
data[fieldName].push(fieldValue);
|
||||
} else {
|
||||
data[fieldName] = [data[fieldName], fieldValue];
|
||||
}
|
||||
} else {
|
||||
data[fieldName] = fieldValue;
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
segmentStartPos++;
|
||||
}
|
||||
return data;
|
||||
}
|
||||
|
||||
|
||||
|
||||
function readTags(file, tiffStart, dirStart, strings, bigEnd) {
|
||||
var entries = file.getUint16(dirStart, !bigEnd),
|
||||
tags = {},
|
||||
entryOffset, tag,
|
||||
i;
|
||||
|
||||
for (i = 0; i < entries; i++) {
|
||||
entryOffset = dirStart + i * 12 + 2;
|
||||
tag = strings[file.getUint16(entryOffset, !bigEnd)];
|
||||
if (!tag && debug)
|
||||
console.log("Unknown tag: " + file.getUint16(entryOffset, !bigEnd));
|
||||
tags[tag] = readTagValue(file, entryOffset, tiffStart, dirStart, bigEnd);
|
||||
}
|
||||
return tags;
|
||||
}
|
||||
|
||||
|
||||
function readTagValue(file, entryOffset, tiffStart, dirStart, bigEnd) {
|
||||
var type = file.getUint16(entryOffset + 2, !bigEnd),
|
||||
numValues = file.getUint32(entryOffset + 4, !bigEnd),
|
||||
valueOffset = file.getUint32(entryOffset + 8, !bigEnd) + tiffStart,
|
||||
offset,
|
||||
vals, val, n,
|
||||
numerator, denominator;
|
||||
|
||||
switch (type) {
|
||||
case 1: // byte, 8-bit unsigned int
|
||||
case 7: // undefined, 8-bit byte, value depending on field
|
||||
if (numValues == 1) {
|
||||
return file.getUint8(entryOffset + 8, !bigEnd);
|
||||
} else {
|
||||
offset = numValues > 4 ? valueOffset : (entryOffset + 8);
|
||||
vals = [];
|
||||
for (n = 0; n < numValues; n++) {
|
||||
vals[n] = file.getUint8(offset + n);
|
||||
}
|
||||
return vals;
|
||||
}
|
||||
|
||||
case 2: // ascii, 8-bit byte
|
||||
offset = numValues > 4 ? valueOffset : (entryOffset + 8);
|
||||
return getStringFromDB(file, offset, numValues - 1);
|
||||
|
||||
case 3: // short, 16 bit int
|
||||
if (numValues == 1) {
|
||||
return file.getUint16(entryOffset + 8, !bigEnd);
|
||||
} else {
|
||||
offset = numValues > 2 ? valueOffset : (entryOffset + 8);
|
||||
vals = [];
|
||||
for (n = 0; n < numValues; n++) {
|
||||
vals[n] = file.getUint16(offset + 2 * n, !bigEnd);
|
||||
}
|
||||
return vals;
|
||||
}
|
||||
|
||||
case 4: // long, 32 bit int
|
||||
if (numValues == 1) {
|
||||
return file.getUint32(entryOffset + 8, !bigEnd);
|
||||
} else {
|
||||
vals = [];
|
||||
for (n = 0; n < numValues; n++) {
|
||||
vals[n] = file.getUint32(valueOffset + 4 * n, !bigEnd);
|
||||
}
|
||||
return vals;
|
||||
}
|
||||
|
||||
case 5: // rational = two long values, first is numerator, second is denominator
|
||||
if (numValues == 1) {
|
||||
numerator = file.getUint32(valueOffset, !bigEnd);
|
||||
denominator = file.getUint32(valueOffset + 4, !bigEnd);
|
||||
val = new Number(numerator / denominator);
|
||||
val.numerator = numerator;
|
||||
val.denominator = denominator;
|
||||
return val;
|
||||
} else {
|
||||
vals = [];
|
||||
for (n = 0; n < numValues; n++) {
|
||||
numerator = file.getUint32(valueOffset + 8 * n, !bigEnd);
|
||||
denominator = file.getUint32(valueOffset + 4 + 8 * n, !bigEnd);
|
||||
vals[n] = new Number(numerator / denominator);
|
||||
vals[n].numerator = numerator;
|
||||
vals[n].denominator = denominator;
|
||||
}
|
||||
return vals;
|
||||
}
|
||||
|
||||
case 9: // slong, 32 bit signed int
|
||||
if (numValues == 1) {
|
||||
return file.getInt32(entryOffset + 8, !bigEnd);
|
||||
} else {
|
||||
vals = [];
|
||||
for (n = 0; n < numValues; n++) {
|
||||
vals[n] = file.getInt32(valueOffset + 4 * n, !bigEnd);
|
||||
}
|
||||
return vals;
|
||||
}
|
||||
|
||||
case 10: // signed rational, two slongs, first is numerator, second is denominator
|
||||
if (numValues == 1) {
|
||||
return file.getInt32(valueOffset, !bigEnd) / file.getInt32(valueOffset + 4, !bigEnd);
|
||||
} else {
|
||||
vals = [];
|
||||
for (n = 0; n < numValues; n++) {
|
||||
vals[n] = file.getInt32(valueOffset + 8 * n, !bigEnd) / file.getInt32(valueOffset + 4 + 8 * n, !bigEnd);
|
||||
}
|
||||
return vals;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
function getStringFromDB(buffer, start, length) {
|
||||
var outstr = "";
|
||||
for (n = start; n < start + length; n++) {
|
||||
outstr += String.fromCharCode(buffer.getUint8(n));
|
||||
}
|
||||
return outstr;
|
||||
}
|
||||
|
||||
function readEXIFData(file, start) {
|
||||
if (getStringFromDB(file, start, 4) != "Exif") {
|
||||
if (debug)
|
||||
console.log("Not valid EXIF data! " + getStringFromDB(file, start, 4));
|
||||
return false;
|
||||
}
|
||||
|
||||
var bigEnd,
|
||||
tags, tag,
|
||||
exifData, gpsData,
|
||||
tiffOffset = start + 6;
|
||||
|
||||
// test for TIFF validity and endianness
|
||||
if (file.getUint16(tiffOffset) == 0x4949) {
|
||||
bigEnd = false;
|
||||
} else if (file.getUint16(tiffOffset) == 0x4D4D) {
|
||||
bigEnd = true;
|
||||
} else {
|
||||
if (debug)
|
||||
console.log("Not valid TIFF data! (no 0x4949 or 0x4D4D)");
|
||||
return false;
|
||||
}
|
||||
|
||||
if (file.getUint16(tiffOffset + 2, !bigEnd) != 0x002A) {
|
||||
if (debug)
|
||||
console.log("Not valid TIFF data! (no 0x002A)");
|
||||
return false;
|
||||
}
|
||||
|
||||
var firstIFDOffset = file.getUint32(tiffOffset + 4, !bigEnd);
|
||||
|
||||
if (firstIFDOffset < 0x00000008) {
|
||||
if (debug)
|
||||
console.log("Not valid TIFF data! (First offset less than 8)", file.getUint32(tiffOffset + 4, !bigEnd));
|
||||
return false;
|
||||
}
|
||||
|
||||
tags = readTags(file, tiffOffset, tiffOffset + firstIFDOffset, TiffTags, bigEnd);
|
||||
|
||||
if (tags.ExifIFDPointer) {
|
||||
exifData = readTags(file, tiffOffset, tiffOffset + tags.ExifIFDPointer, ExifTags, bigEnd);
|
||||
for (tag in exifData) {
|
||||
switch (tag) {
|
||||
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" :
|
||||
exifData[tag] = StringValues[tag][exifData[tag]];
|
||||
break;
|
||||
|
||||
case "ExifVersion" :
|
||||
case "FlashpixVersion" :
|
||||
exifData[tag] = String.fromCharCode(exifData[tag][0], exifData[tag][1], exifData[tag][2], exifData[tag][3]);
|
||||
break;
|
||||
|
||||
case "ComponentsConfiguration" :
|
||||
exifData[tag] =
|
||||
StringValues.Components[exifData[tag][0]] +
|
||||
StringValues.Components[exifData[tag][1]] +
|
||||
StringValues.Components[exifData[tag][2]] +
|
||||
StringValues.Components[exifData[tag][3]];
|
||||
break;
|
||||
}
|
||||
tags[tag] = exifData[tag];
|
||||
}
|
||||
}
|
||||
|
||||
if (tags.GPSInfoIFDPointer) {
|
||||
gpsData = readTags(file, tiffOffset, tiffOffset + tags.GPSInfoIFDPointer, GPSTags, bigEnd);
|
||||
for (tag in gpsData) {
|
||||
switch (tag) {
|
||||
case "GPSVersionID" :
|
||||
gpsData[tag] = gpsData[tag][0] +
|
||||
"." + gpsData[tag][1] +
|
||||
"." + gpsData[tag][2] +
|
||||
"." + gpsData[tag][3];
|
||||
break;
|
||||
}
|
||||
tags[tag] = gpsData[tag];
|
||||
}
|
||||
}
|
||||
|
||||
return tags;
|
||||
}
|
||||
|
||||
EXIF.getData = function (img, callback) {
|
||||
if ((img instanceof Image || img instanceof HTMLImageElement) && !img.complete)
|
||||
return false;
|
||||
|
||||
if (!imageHasData(img)) {
|
||||
getImageData(img, callback);
|
||||
} else {
|
||||
if (callback) {
|
||||
callback.call(img);
|
||||
}
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
EXIF.getTag = function (img, tag) {
|
||||
if (!imageHasData(img))
|
||||
return;
|
||||
return img.exifdata[tag];
|
||||
}
|
||||
|
||||
EXIF.getAllTags = function (img) {
|
||||
if (!imageHasData(img))
|
||||
return {};
|
||||
var a,
|
||||
data = img.exifdata,
|
||||
tags = {};
|
||||
for (a in data) {
|
||||
if (data.hasOwnProperty(a)) {
|
||||
tags[a] = data[a];
|
||||
}
|
||||
}
|
||||
return tags;
|
||||
}
|
||||
|
||||
EXIF.pretty = function (img) {
|
||||
if (!imageHasData(img))
|
||||
return "";
|
||||
var a,
|
||||
data = img.exifdata,
|
||||
strPretty = "";
|
||||
for (a in data) {
|
||||
if (data.hasOwnProperty(a)) {
|
||||
if (typeof data[a] == "object") {
|
||||
if (data[a] instanceof Number) {
|
||||
strPretty += a + " : " + data[a] + " [" + data[a].numerator + "/" + data[a].denominator + "]\r\n";
|
||||
} else {
|
||||
strPretty += a + " : [" + data[a].length + " values]\r\n";
|
||||
}
|
||||
} else {
|
||||
strPretty += a + " : " + data[a] + "\r\n";
|
||||
}
|
||||
}
|
||||
}
|
||||
return strPretty;
|
||||
}
|
||||
|
||||
EXIF.readFromBinaryFile = function (file) {
|
||||
return findEXIFinJPEG(file);
|
||||
}
|
||||
|
||||
if (typeof define === 'function' && define.amd) {
|
||||
define('exif-js', [], function () {
|
||||
return EXIF;
|
||||
});
|
||||
}
|
||||
}.call(this));
|
||||
806
libs/exif/exif.js
Normal file
806
libs/exif/exif.js
Normal file
@ -0,0 +1,806 @@
|
||||
//https://github.com/exif-js/exif-js - v2.1.1
|
||||
(function() {
|
||||
|
||||
var debug = false;
|
||||
|
||||
var root = this;
|
||||
|
||||
var EXIF = function(obj) {
|
||||
if (obj instanceof EXIF) return obj;
|
||||
if (!(this instanceof EXIF)) return new EXIF(obj);
|
||||
this.EXIFwrapped = obj;
|
||||
};
|
||||
|
||||
if (typeof exports !== 'undefined') {
|
||||
if (typeof module !== 'undefined' && module.exports) {
|
||||
exports = module.exports = EXIF;
|
||||
}
|
||||
exports.EXIF = EXIF;
|
||||
} else {
|
||||
root.EXIF = EXIF;
|
||||
}
|
||||
|
||||
var ExifTags = EXIF.Tags = {
|
||||
|
||||
// version tags
|
||||
0x9000 : "ExifVersion", // EXIF version
|
||||
0xA000 : "FlashpixVersion", // Flashpix format version
|
||||
|
||||
// colorspace tags
|
||||
0xA001 : "ColorSpace", // Color space information tag
|
||||
|
||||
// image configuration
|
||||
0xA002 : "PixelXDimension", // Valid width of meaningful image
|
||||
0xA003 : "PixelYDimension", // Valid height of meaningful image
|
||||
0x9101 : "ComponentsConfiguration", // Information about channels
|
||||
0x9102 : "CompressedBitsPerPixel", // Compressed bits per pixel
|
||||
|
||||
// user information
|
||||
0x927C : "MakerNote", // Any desired information written by the manufacturer
|
||||
0x9286 : "UserComment", // Comments by user
|
||||
|
||||
// related file
|
||||
0xA004 : "RelatedSoundFile", // Name of related sound file
|
||||
|
||||
// date and time
|
||||
0x9003 : "DateTimeOriginal", // Date and time when the original image was generated
|
||||
0x9004 : "DateTimeDigitized", // Date and time when the image was stored digitally
|
||||
0x9290 : "SubsecTime", // Fractions of seconds for DateTime
|
||||
0x9291 : "SubsecTimeOriginal", // Fractions of seconds for DateTimeOriginal
|
||||
0x9292 : "SubsecTimeDigitized", // Fractions of seconds for DateTimeDigitized
|
||||
|
||||
// picture-taking conditions
|
||||
0x829A : "ExposureTime", // Exposure time (in seconds)
|
||||
0x829D : "FNumber", // F number
|
||||
0x8822 : "ExposureProgram", // Exposure program
|
||||
0x8824 : "SpectralSensitivity", // Spectral sensitivity
|
||||
0x8827 : "ISOSpeedRatings", // ISO speed rating
|
||||
0x8828 : "OECF", // Optoelectric conversion factor
|
||||
0x9201 : "ShutterSpeedValue", // Shutter speed
|
||||
0x9202 : "ApertureValue", // Lens aperture
|
||||
0x9203 : "BrightnessValue", // Value of brightness
|
||||
0x9204 : "ExposureBias", // Exposure bias
|
||||
0x9205 : "MaxApertureValue", // Smallest F number of lens
|
||||
0x9206 : "SubjectDistance", // Distance to subject in meters
|
||||
0x9207 : "MeteringMode", // Metering mode
|
||||
0x9208 : "LightSource", // Kind of light source
|
||||
0x9209 : "Flash", // Flash status
|
||||
0x9214 : "SubjectArea", // Location and area of main subject
|
||||
0x920A : "FocalLength", // Focal length of the lens in mm
|
||||
0xA20B : "FlashEnergy", // Strobe energy in BCPS
|
||||
0xA20C : "SpatialFrequencyResponse", //
|
||||
0xA20E : "FocalPlaneXResolution", // Number of pixels in width direction per FocalPlaneResolutionUnit
|
||||
0xA20F : "FocalPlaneYResolution", // Number of pixels in height direction per FocalPlaneResolutionUnit
|
||||
0xA210 : "FocalPlaneResolutionUnit", // Unit for measuring FocalPlaneXResolution and FocalPlaneYResolution
|
||||
0xA214 : "SubjectLocation", // Location of subject in image
|
||||
0xA215 : "ExposureIndex", // Exposure index selected on camera
|
||||
0xA217 : "SensingMethod", // Image sensor type
|
||||
0xA300 : "FileSource", // Image source (3 == DSC)
|
||||
0xA301 : "SceneType", // Scene type (1 == directly photographed)
|
||||
0xA302 : "CFAPattern", // Color filter array geometric pattern
|
||||
0xA401 : "CustomRendered", // Special processing
|
||||
0xA402 : "ExposureMode", // Exposure mode
|
||||
0xA403 : "WhiteBalance", // 1 = auto white balance, 2 = manual
|
||||
0xA404 : "DigitalZoomRation", // Digital zoom ratio
|
||||
0xA405 : "FocalLengthIn35mmFilm", // Equivalent foacl length assuming 35mm film camera (in mm)
|
||||
0xA406 : "SceneCaptureType", // Type of scene
|
||||
0xA407 : "GainControl", // Degree of overall image gain adjustment
|
||||
0xA408 : "Contrast", // Direction of contrast processing applied by camera
|
||||
0xA409 : "Saturation", // Direction of saturation processing applied by camera
|
||||
0xA40A : "Sharpness", // Direction of sharpness processing applied by camera
|
||||
0xA40B : "DeviceSettingDescription", //
|
||||
0xA40C : "SubjectDistanceRange", // Distance to subject
|
||||
|
||||
// other tags
|
||||
0xA005 : "InteroperabilityIFDPointer",
|
||||
0xA420 : "ImageUniqueID" // Identifier assigned uniquely to each image
|
||||
};
|
||||
|
||||
var TiffTags = EXIF.TiffTags = {
|
||||
0x0100 : "ImageWidth",
|
||||
0x0101 : "ImageHeight",
|
||||
0x8769 : "ExifIFDPointer",
|
||||
0x8825 : "GPSInfoIFDPointer",
|
||||
0xA005 : "InteroperabilityIFDPointer",
|
||||
0x0102 : "BitsPerSample",
|
||||
0x0103 : "Compression",
|
||||
0x0106 : "PhotometricInterpretation",
|
||||
0x0112 : "Orientation",
|
||||
0x0115 : "SamplesPerPixel",
|
||||
0x011C : "PlanarConfiguration",
|
||||
0x0212 : "YCbCrSubSampling",
|
||||
0x0213 : "YCbCrPositioning",
|
||||
0x011A : "XResolution",
|
||||
0x011B : "YResolution",
|
||||
0x0128 : "ResolutionUnit",
|
||||
0x0111 : "StripOffsets",
|
||||
0x0116 : "RowsPerStrip",
|
||||
0x0117 : "StripByteCounts",
|
||||
0x0201 : "JPEGInterchangeFormat",
|
||||
0x0202 : "JPEGInterchangeFormatLength",
|
||||
0x012D : "TransferFunction",
|
||||
0x013E : "WhitePoint",
|
||||
0x013F : "PrimaryChromaticities",
|
||||
0x0211 : "YCbCrCoefficients",
|
||||
0x0214 : "ReferenceBlackWhite",
|
||||
0x0132 : "DateTime",
|
||||
0x010E : "ImageDescription",
|
||||
0x010F : "Make",
|
||||
0x0110 : "Model",
|
||||
0x0131 : "Software",
|
||||
0x013B : "Artist",
|
||||
0x8298 : "Copyright"
|
||||
};
|
||||
|
||||
var GPSTags = EXIF.GPSTags = {
|
||||
0x0000 : "GPSVersionID",
|
||||
0x0001 : "GPSLatitudeRef",
|
||||
0x0002 : "GPSLatitude",
|
||||
0x0003 : "GPSLongitudeRef",
|
||||
0x0004 : "GPSLongitude",
|
||||
0x0005 : "GPSAltitudeRef",
|
||||
0x0006 : "GPSAltitude",
|
||||
0x0007 : "GPSTimeStamp",
|
||||
0x0008 : "GPSSatellites",
|
||||
0x0009 : "GPSStatus",
|
||||
0x000A : "GPSMeasureMode",
|
||||
0x000B : "GPSDOP",
|
||||
0x000C : "GPSSpeedRef",
|
||||
0x000D : "GPSSpeed",
|
||||
0x000E : "GPSTrackRef",
|
||||
0x000F : "GPSTrack",
|
||||
0x0010 : "GPSImgDirectionRef",
|
||||
0x0011 : "GPSImgDirection",
|
||||
0x0012 : "GPSMapDatum",
|
||||
0x0013 : "GPSDestLatitudeRef",
|
||||
0x0014 : "GPSDestLatitude",
|
||||
0x0015 : "GPSDestLongitudeRef",
|
||||
0x0016 : "GPSDestLongitude",
|
||||
0x0017 : "GPSDestBearingRef",
|
||||
0x0018 : "GPSDestBearing",
|
||||
0x0019 : "GPSDestDistanceRef",
|
||||
0x001A : "GPSDestDistance",
|
||||
0x001B : "GPSProcessingMethod",
|
||||
0x001C : "GPSAreaInformation",
|
||||
0x001D : "GPSDateStamp",
|
||||
0x001E : "GPSDifferential"
|
||||
};
|
||||
|
||||
var StringValues = EXIF.StringValues = {
|
||||
ExposureProgram : {
|
||||
0 : "Not defined",
|
||||
1 : "Manual",
|
||||
2 : "Normal program",
|
||||
3 : "Aperture priority",
|
||||
4 : "Shutter priority",
|
||||
5 : "Creative program",
|
||||
6 : "Action program",
|
||||
7 : "Portrait mode",
|
||||
8 : "Landscape mode"
|
||||
},
|
||||
MeteringMode : {
|
||||
0 : "Unknown",
|
||||
1 : "Average",
|
||||
2 : "CenterWeightedAverage",
|
||||
3 : "Spot",
|
||||
4 : "MultiSpot",
|
||||
5 : "Pattern",
|
||||
6 : "Partial",
|
||||
255 : "Other"
|
||||
},
|
||||
LightSource : {
|
||||
0 : "Unknown",
|
||||
1 : "Daylight",
|
||||
2 : "Fluorescent",
|
||||
3 : "Tungsten (incandescent light)",
|
||||
4 : "Flash",
|
||||
9 : "Fine weather",
|
||||
10 : "Cloudy weather",
|
||||
11 : "Shade",
|
||||
12 : "Daylight fluorescent (D 5700 - 7100K)",
|
||||
13 : "Day white fluorescent (N 4600 - 5400K)",
|
||||
14 : "Cool white fluorescent (W 3900 - 4500K)",
|
||||
15 : "White fluorescent (WW 3200 - 3700K)",
|
||||
17 : "Standard light A",
|
||||
18 : "Standard light B",
|
||||
19 : "Standard light C",
|
||||
20 : "D55",
|
||||
21 : "D65",
|
||||
22 : "D75",
|
||||
23 : "D50",
|
||||
24 : "ISO studio tungsten",
|
||||
255 : "Other"
|
||||
},
|
||||
Flash : {
|
||||
0x0000 : "Flash did not fire",
|
||||
0x0001 : "Flash fired",
|
||||
0x0005 : "Strobe return light not detected",
|
||||
0x0007 : "Strobe return light detected",
|
||||
0x0009 : "Flash fired, compulsory flash mode",
|
||||
0x000D : "Flash fired, compulsory flash mode, return light not detected",
|
||||
0x000F : "Flash fired, compulsory flash mode, return light detected",
|
||||
0x0010 : "Flash did not fire, compulsory flash mode",
|
||||
0x0018 : "Flash did not fire, auto mode",
|
||||
0x0019 : "Flash fired, auto mode",
|
||||
0x001D : "Flash fired, auto mode, return light not detected",
|
||||
0x001F : "Flash fired, auto mode, return light detected",
|
||||
0x0020 : "No flash function",
|
||||
0x0041 : "Flash fired, red-eye reduction mode",
|
||||
0x0045 : "Flash fired, red-eye reduction mode, return light not detected",
|
||||
0x0047 : "Flash fired, red-eye reduction mode, return light detected",
|
||||
0x0049 : "Flash fired, compulsory flash mode, red-eye reduction mode",
|
||||
0x004D : "Flash fired, compulsory flash mode, red-eye reduction mode, return light not detected",
|
||||
0x004F : "Flash fired, compulsory flash mode, red-eye reduction mode, return light detected",
|
||||
0x0059 : "Flash fired, auto mode, red-eye reduction mode",
|
||||
0x005D : "Flash fired, auto mode, return light not detected, red-eye reduction mode",
|
||||
0x005F : "Flash fired, auto mode, return light detected, red-eye reduction mode"
|
||||
},
|
||||
SensingMethod : {
|
||||
1 : "Not defined",
|
||||
2 : "One-chip color area sensor",
|
||||
3 : "Two-chip color area sensor",
|
||||
4 : "Three-chip color area 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"
|
||||
},
|
||||
|
||||
Components : {
|
||||
0 : "",
|
||||
1 : "Y",
|
||||
2 : "Cb",
|
||||
3 : "Cr",
|
||||
4 : "R",
|
||||
5 : "G",
|
||||
6 : "B"
|
||||
}
|
||||
};
|
||||
|
||||
function addEvent(element, event, handler) {
|
||||
if (element.addEventListener) {
|
||||
element.addEventListener(event, handler, false);
|
||||
} else if (element.attachEvent) {
|
||||
element.attachEvent("on" + event, handler);
|
||||
}
|
||||
}
|
||||
|
||||
function imageHasData(img) {
|
||||
return !!(img.exifdata);
|
||||
}
|
||||
|
||||
|
||||
function base64ToArrayBuffer(base64, contentType) {
|
||||
contentType = contentType || base64.match(/^data\:([^\;]+)\;base64,/mi)[1] || ''; // e.g. 'data:image/jpeg;base64,...' => 'image/jpeg'
|
||||
base64 = base64.replace(/^data\:([^\;]+)\;base64,/gmi, '');
|
||||
var binary = atob(base64);
|
||||
var len = binary.length;
|
||||
var buffer = new ArrayBuffer(len);
|
||||
var view = new Uint8Array(buffer);
|
||||
for (var i = 0; i < len; i++) {
|
||||
view[i] = binary.charCodeAt(i);
|
||||
}
|
||||
return buffer;
|
||||
}
|
||||
|
||||
function objectURLToBlob(url, callback) {
|
||||
var http = new XMLHttpRequest();
|
||||
http.open("GET", url, true);
|
||||
http.responseType = "blob";
|
||||
http.onload = function(e) {
|
||||
if (this.status == 200 || this.status === 0) {
|
||||
callback(this.response);
|
||||
}
|
||||
};
|
||||
http.send();
|
||||
}
|
||||
|
||||
function getImageData(img, callback) {
|
||||
function handleBinaryFile(binFile) {
|
||||
var data = findEXIFinJPEG(binFile);
|
||||
var iptcdata = findIPTCinJPEG(binFile);
|
||||
img.exifdata = data || {};
|
||||
img.iptcdata = iptcdata || {};
|
||||
if (callback) {
|
||||
callback.call(img);
|
||||
}
|
||||
}
|
||||
|
||||
if (img.src) {
|
||||
if (/^data\:/i.test(img.src)) { // Data URI
|
||||
var arrayBuffer = base64ToArrayBuffer(img.src);
|
||||
handleBinaryFile(arrayBuffer);
|
||||
|
||||
} else if (/^blob\:/i.test(img.src)) { // Object URL
|
||||
var fileReader = new FileReader();
|
||||
fileReader.onload = function(e) {
|
||||
handleBinaryFile(e.target.result);
|
||||
};
|
||||
objectURLToBlob(img.src, function (blob) {
|
||||
fileReader.readAsArrayBuffer(blob);
|
||||
});
|
||||
} else {
|
||||
var http = new XMLHttpRequest();
|
||||
http.onload = function() {
|
||||
if (this.status == 200 || this.status === 0) {
|
||||
handleBinaryFile(http.response);
|
||||
} else {
|
||||
throw "Could not load image";
|
||||
}
|
||||
http = null;
|
||||
};
|
||||
http.open("GET", img.src, true);
|
||||
http.responseType = "arraybuffer";
|
||||
http.send(null);
|
||||
}
|
||||
} else if (window.FileReader && (img instanceof window.Blob || img instanceof window.File)) {
|
||||
var fileReader = new FileReader();
|
||||
fileReader.onload = function(e) {
|
||||
if (debug) console.log("Got file of length " + e.target.result.byteLength);
|
||||
handleBinaryFile(e.target.result);
|
||||
};
|
||||
|
||||
fileReader.readAsArrayBuffer(img);
|
||||
}
|
||||
}
|
||||
|
||||
function findEXIFinJPEG(file) {
|
||||
var dataView = new DataView(file);
|
||||
|
||||
if (debug) console.log("Got file of length " + file.byteLength);
|
||||
if ((dataView.getUint8(0) != 0xFF) || (dataView.getUint8(1) != 0xD8)) {
|
||||
if (debug) console.log("Not a valid JPEG");
|
||||
return false; // not a valid jpeg
|
||||
}
|
||||
|
||||
var offset = 2,
|
||||
length = file.byteLength,
|
||||
marker;
|
||||
|
||||
while (offset < length) {
|
||||
if (dataView.getUint8(offset) != 0xFF) {
|
||||
if (debug) console.log("Not a valid marker at offset " + offset + ", found: " + dataView.getUint8(offset));
|
||||
return false; // not a valid marker, something is wrong
|
||||
}
|
||||
|
||||
marker = dataView.getUint8(offset + 1);
|
||||
if (debug) console.log(marker);
|
||||
|
||||
// we could implement handling for other markers here,
|
||||
// but we're only looking for 0xFFE1 for EXIF data
|
||||
|
||||
if (marker == 225) {
|
||||
if (debug) console.log("Found 0xFFE1 marker");
|
||||
|
||||
return readEXIFData(dataView, offset + 4, dataView.getUint16(offset + 2) - 2);
|
||||
|
||||
// offset += 2 + file.getShortAt(offset+2, true);
|
||||
|
||||
} else {
|
||||
offset += 2 + dataView.getUint16(offset+2);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
function findIPTCinJPEG(file) {
|
||||
var dataView = new DataView(file);
|
||||
|
||||
if (debug) console.log("Got file of length " + file.byteLength);
|
||||
if ((dataView.getUint8(0) != 0xFF) || (dataView.getUint8(1) != 0xD8)) {
|
||||
if (debug) console.log("Not a valid JPEG");
|
||||
return false; // not a valid jpeg
|
||||
}
|
||||
|
||||
var offset = 2,
|
||||
length = file.byteLength;
|
||||
|
||||
|
||||
var isFieldSegmentStart = function(dataView, offset){
|
||||
return (
|
||||
dataView.getUint8(offset) === 0x38 &&
|
||||
dataView.getUint8(offset+1) === 0x42 &&
|
||||
dataView.getUint8(offset+2) === 0x49 &&
|
||||
dataView.getUint8(offset+3) === 0x4D &&
|
||||
dataView.getUint8(offset+4) === 0x04 &&
|
||||
dataView.getUint8(offset+5) === 0x04
|
||||
);
|
||||
};
|
||||
|
||||
while (offset < length) {
|
||||
|
||||
if ( isFieldSegmentStart(dataView, offset )){
|
||||
|
||||
// Get the length of the name header (which is padded to an even number of bytes)
|
||||
var nameHeaderLength = dataView.getUint8(offset+7);
|
||||
if(nameHeaderLength % 2 !== 0) nameHeaderLength += 1;
|
||||
// Check for pre photoshop 6 format
|
||||
if(nameHeaderLength === 0) {
|
||||
// Always 4
|
||||
nameHeaderLength = 4;
|
||||
}
|
||||
|
||||
var startOffset = offset + 8 + nameHeaderLength;
|
||||
var sectionLength = dataView.getUint16(offset + 6 + nameHeaderLength);
|
||||
|
||||
return readIPTCData(file, startOffset, sectionLength);
|
||||
|
||||
break;
|
||||
|
||||
}
|
||||
|
||||
|
||||
// Not the marker, continue searching
|
||||
offset++;
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
var IptcFieldMap = {
|
||||
0x78 : 'caption',
|
||||
0x6E : 'credit',
|
||||
0x19 : 'keywords',
|
||||
0x37 : 'dateCreated',
|
||||
0x50 : 'byline',
|
||||
0x55 : 'bylineTitle',
|
||||
0x7A : 'captionWriter',
|
||||
0x69 : 'headline',
|
||||
0x74 : 'copyright',
|
||||
0x0F : 'category'
|
||||
};
|
||||
function readIPTCData(file, startOffset, sectionLength){
|
||||
var dataView = new DataView(file);
|
||||
var data = {};
|
||||
var fieldValue, fieldName, dataSize, segmentType, segmentSize;
|
||||
var segmentStartPos = startOffset;
|
||||
while(segmentStartPos < startOffset+sectionLength) {
|
||||
if(dataView.getUint8(segmentStartPos) === 0x1C && dataView.getUint8(segmentStartPos+1) === 0x02){
|
||||
segmentType = dataView.getUint8(segmentStartPos+2);
|
||||
if(segmentType in IptcFieldMap) {
|
||||
dataSize = dataView.getInt16(segmentStartPos+3);
|
||||
segmentSize = dataSize + 5;
|
||||
fieldName = IptcFieldMap[segmentType];
|
||||
fieldValue = getStringFromDB(dataView, segmentStartPos+5, dataSize);
|
||||
// Check if we already stored a value with this name
|
||||
if(data.hasOwnProperty(fieldName)) {
|
||||
// Value already stored with this name, create multivalue field
|
||||
if(data[fieldName] instanceof Array) {
|
||||
data[fieldName].push(fieldValue);
|
||||
}
|
||||
else {
|
||||
data[fieldName] = [data[fieldName], fieldValue];
|
||||
}
|
||||
}
|
||||
else {
|
||||
data[fieldName] = fieldValue;
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
segmentStartPos++;
|
||||
}
|
||||
return data;
|
||||
}
|
||||
|
||||
|
||||
|
||||
function readTags(file, tiffStart, dirStart, strings, bigEnd) {
|
||||
var entries = file.getUint16(dirStart, !bigEnd),
|
||||
tags = {},
|
||||
entryOffset, tag,
|
||||
i;
|
||||
|
||||
for (i=0;i<entries;i++) {
|
||||
entryOffset = dirStart + i*12 + 2;
|
||||
tag = strings[file.getUint16(entryOffset, !bigEnd)];
|
||||
if (!tag && debug) console.log("Unknown tag: " + file.getUint16(entryOffset, !bigEnd));
|
||||
tags[tag] = readTagValue(file, entryOffset, tiffStart, dirStart, bigEnd);
|
||||
}
|
||||
return tags;
|
||||
}
|
||||
|
||||
|
||||
function readTagValue(file, entryOffset, tiffStart, dirStart, bigEnd) {
|
||||
var type = file.getUint16(entryOffset+2, !bigEnd),
|
||||
numValues = file.getUint32(entryOffset+4, !bigEnd),
|
||||
valueOffset = file.getUint32(entryOffset+8, !bigEnd) + tiffStart,
|
||||
offset,
|
||||
vals, val, n,
|
||||
numerator, denominator;
|
||||
|
||||
switch (type) {
|
||||
case 1: // byte, 8-bit unsigned int
|
||||
case 7: // undefined, 8-bit byte, value depending on field
|
||||
if (numValues == 1) {
|
||||
return file.getUint8(entryOffset + 8, !bigEnd);
|
||||
} else {
|
||||
offset = numValues > 4 ? valueOffset : (entryOffset + 8);
|
||||
vals = [];
|
||||
for (n=0;n<numValues;n++) {
|
||||
vals[n] = file.getUint8(offset + n);
|
||||
}
|
||||
return vals;
|
||||
}
|
||||
|
||||
case 2: // ascii, 8-bit byte
|
||||
offset = numValues > 4 ? valueOffset : (entryOffset + 8);
|
||||
return getStringFromDB(file, offset, numValues-1);
|
||||
|
||||
case 3: // short, 16 bit int
|
||||
if (numValues == 1) {
|
||||
return file.getUint16(entryOffset + 8, !bigEnd);
|
||||
} else {
|
||||
offset = numValues > 2 ? valueOffset : (entryOffset + 8);
|
||||
vals = [];
|
||||
for (n=0;n<numValues;n++) {
|
||||
vals[n] = file.getUint16(offset + 2*n, !bigEnd);
|
||||
}
|
||||
return vals;
|
||||
}
|
||||
|
||||
case 4: // long, 32 bit int
|
||||
if (numValues == 1) {
|
||||
return file.getUint32(entryOffset + 8, !bigEnd);
|
||||
} else {
|
||||
vals = [];
|
||||
for (n=0;n<numValues;n++) {
|
||||
vals[n] = file.getUint32(valueOffset + 4*n, !bigEnd);
|
||||
}
|
||||
return vals;
|
||||
}
|
||||
|
||||
case 5: // rational = two long values, first is numerator, second is denominator
|
||||
if (numValues == 1) {
|
||||
numerator = file.getUint32(valueOffset, !bigEnd);
|
||||
denominator = file.getUint32(valueOffset+4, !bigEnd);
|
||||
val = new Number(numerator / denominator);
|
||||
val.numerator = numerator;
|
||||
val.denominator = denominator;
|
||||
return val;
|
||||
} else {
|
||||
vals = [];
|
||||
for (n=0;n<numValues;n++) {
|
||||
numerator = file.getUint32(valueOffset + 8*n, !bigEnd);
|
||||
denominator = file.getUint32(valueOffset+4 + 8*n, !bigEnd);
|
||||
vals[n] = new Number(numerator / denominator);
|
||||
vals[n].numerator = numerator;
|
||||
vals[n].denominator = denominator;
|
||||
}
|
||||
return vals;
|
||||
}
|
||||
|
||||
case 9: // slong, 32 bit signed int
|
||||
if (numValues == 1) {
|
||||
return file.getInt32(entryOffset + 8, !bigEnd);
|
||||
} else {
|
||||
vals = [];
|
||||
for (n=0;n<numValues;n++) {
|
||||
vals[n] = file.getInt32(valueOffset + 4*n, !bigEnd);
|
||||
}
|
||||
return vals;
|
||||
}
|
||||
|
||||
case 10: // signed rational, two slongs, first is numerator, second is denominator
|
||||
if (numValues == 1) {
|
||||
return file.getInt32(valueOffset, !bigEnd) / file.getInt32(valueOffset+4, !bigEnd);
|
||||
} else {
|
||||
vals = [];
|
||||
for (n=0;n<numValues;n++) {
|
||||
vals[n] = file.getInt32(valueOffset + 8*n, !bigEnd) / file.getInt32(valueOffset+4 + 8*n, !bigEnd);
|
||||
}
|
||||
return vals;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
function getStringFromDB(buffer, start, length) {
|
||||
var outstr = "";
|
||||
for (n = start; n < start+length; n++) {
|
||||
outstr += String.fromCharCode(buffer.getUint8(n));
|
||||
}
|
||||
return outstr;
|
||||
}
|
||||
|
||||
function readEXIFData(file, start) {
|
||||
if (getStringFromDB(file, start, 4) != "Exif") {
|
||||
if (debug) console.log("Not valid EXIF data! " + getStringFromDB(file, start, 4));
|
||||
return false;
|
||||
}
|
||||
|
||||
var bigEnd,
|
||||
tags, tag,
|
||||
exifData, gpsData,
|
||||
tiffOffset = start + 6;
|
||||
|
||||
// test for TIFF validity and endianness
|
||||
if (file.getUint16(tiffOffset) == 0x4949) {
|
||||
bigEnd = false;
|
||||
} else if (file.getUint16(tiffOffset) == 0x4D4D) {
|
||||
bigEnd = true;
|
||||
} else {
|
||||
if (debug) console.log("Not valid TIFF data! (no 0x4949 or 0x4D4D)");
|
||||
return false;
|
||||
}
|
||||
|
||||
if (file.getUint16(tiffOffset+2, !bigEnd) != 0x002A) {
|
||||
if (debug) console.log("Not valid TIFF data! (no 0x002A)");
|
||||
return false;
|
||||
}
|
||||
|
||||
var firstIFDOffset = file.getUint32(tiffOffset+4, !bigEnd);
|
||||
|
||||
if (firstIFDOffset < 0x00000008) {
|
||||
if (debug) console.log("Not valid TIFF data! (First offset less than 8)", file.getUint32(tiffOffset+4, !bigEnd));
|
||||
return false;
|
||||
}
|
||||
|
||||
tags = readTags(file, tiffOffset, tiffOffset + firstIFDOffset, TiffTags, bigEnd);
|
||||
|
||||
if (tags.ExifIFDPointer) {
|
||||
exifData = readTags(file, tiffOffset, tiffOffset + tags.ExifIFDPointer, ExifTags, bigEnd);
|
||||
for (tag in exifData) {
|
||||
switch (tag) {
|
||||
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" :
|
||||
exifData[tag] = StringValues[tag][exifData[tag]];
|
||||
break;
|
||||
|
||||
case "ExifVersion" :
|
||||
case "FlashpixVersion" :
|
||||
exifData[tag] = String.fromCharCode(exifData[tag][0], exifData[tag][1], exifData[tag][2], exifData[tag][3]);
|
||||
break;
|
||||
|
||||
case "ComponentsConfiguration" :
|
||||
exifData[tag] =
|
||||
StringValues.Components[exifData[tag][0]] +
|
||||
StringValues.Components[exifData[tag][1]] +
|
||||
StringValues.Components[exifData[tag][2]] +
|
||||
StringValues.Components[exifData[tag][3]];
|
||||
break;
|
||||
}
|
||||
tags[tag] = exifData[tag];
|
||||
}
|
||||
}
|
||||
|
||||
if (tags.GPSInfoIFDPointer) {
|
||||
gpsData = readTags(file, tiffOffset, tiffOffset + tags.GPSInfoIFDPointer, GPSTags, bigEnd);
|
||||
for (tag in gpsData) {
|
||||
switch (tag) {
|
||||
case "GPSVersionID" :
|
||||
gpsData[tag] = gpsData[tag][0] +
|
||||
"." + gpsData[tag][1] +
|
||||
"." + gpsData[tag][2] +
|
||||
"." + gpsData[tag][3];
|
||||
break;
|
||||
}
|
||||
tags[tag] = gpsData[tag];
|
||||
}
|
||||
}
|
||||
|
||||
return tags;
|
||||
}
|
||||
|
||||
EXIF.getData = function(img, callback) {
|
||||
if ((img instanceof Image || img instanceof HTMLImageElement) && !img.complete) return false;
|
||||
|
||||
if (!imageHasData(img)) {
|
||||
getImageData(img, callback);
|
||||
} else {
|
||||
if (callback) {
|
||||
callback.call(img);
|
||||
}
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
EXIF.getTag = function(img, tag) {
|
||||
if (!imageHasData(img)) return;
|
||||
return img.exifdata[tag];
|
||||
}
|
||||
|
||||
EXIF.getAllTags = function(img) {
|
||||
if (!imageHasData(img)) return {};
|
||||
var a,
|
||||
data = img.exifdata,
|
||||
tags = {};
|
||||
for (a in data) {
|
||||
if (data.hasOwnProperty(a)) {
|
||||
tags[a] = data[a];
|
||||
}
|
||||
}
|
||||
return tags;
|
||||
}
|
||||
|
||||
EXIF.pretty = function(img) {
|
||||
if (!imageHasData(img)) return "";
|
||||
var a,
|
||||
data = img.exifdata,
|
||||
strPretty = "";
|
||||
for (a in data) {
|
||||
if (data.hasOwnProperty(a)) {
|
||||
if (typeof data[a] == "object") {
|
||||
if (data[a] instanceof Number) {
|
||||
strPretty += a + " : " + data[a] + " [" + data[a].numerator + "/" + data[a].denominator + "]\r\n";
|
||||
} else {
|
||||
strPretty += a + " : [" + data[a].length + " values]\r\n";
|
||||
}
|
||||
} else {
|
||||
strPretty += a + " : " + data[a] + "\r\n";
|
||||
}
|
||||
}
|
||||
}
|
||||
return strPretty;
|
||||
}
|
||||
|
||||
EXIF.readFromBinaryFile = function(file) {
|
||||
return findEXIFinJPEG(file);
|
||||
}
|
||||
|
||||
if (typeof define === 'function' && define.amd) {
|
||||
define('exif-js', [], function() {
|
||||
return EXIF;
|
||||
});
|
||||
}
|
||||
}.call(this));
|
||||
|
||||
3
libs/exif.min.js → libs/exif/exif.min.js
vendored
3
libs/exif.min.js → libs/exif/exif.min.js
vendored
File diff suppressed because one or more lines are too long
8
libs/jquery.js
vendored
8
libs/jquery.js
vendored
File diff suppressed because one or more lines are too long
@ -655,13 +655,13 @@ input[type="button"]{
|
||||
position:fixed;
|
||||
border:1px solid #000000;
|
||||
background-color: #bbb;
|
||||
width:400px;
|
||||
width:500px;
|
||||
max-height:550px;
|
||||
overflow-y:scroll;
|
||||
margin:0px auto 0px auto;
|
||||
top:150px;
|
||||
left: 50%;
|
||||
margin-left:-200px;
|
||||
margin-left:-250px;
|
||||
display:none;
|
||||
padding:10px;
|
||||
font-size:12px;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user