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Comparing JPG files with Photoshop Layers

Is it possible to compare filenames for a set of files that are imported as Photoshop layers ?
I have a folder of 50 jpg images which I have used in a PSD file.
Now I want to check whether all the JPG files are used or not ?
Is it possible to do so ?

As I've said, Photoshop scripting can help you achieve this by using File Objects and basic javascript knowledge. I've modified my old script as you've desired and now it should work well with any nested groups and images.
I highly encourage you to learn scripting and ask questions here wherever you feels confused.
Save below code as 'Script.jsx' and run it from 'File > Scripts > Browse'
Update 2 : Now it saves log.txt file too as per you requested. P.S. Learn from this script and tweak it to your desired result.
// Managing Document
var docs = app.documents;
// Progress Bar
var win = new Window("window{text:'Progress',bounds:[100,100,400,150],bar:Progressbar{bounds:[20,20,280,31] , value:0,maxvalue:100}};");
// assigning activeDocument
if (docs.length != 0) {
var docRef = app.activeDocument;
// Defining the folder
alert("You will be prompted for the folder containing your images.\n" +
"Files will be selected with a '.png'/'.jpg/.jpeg' on the end in the same folder.");
var folder = Folder.selectDialog();
if (!folder) {
exit;
}
var photoFiles = folder.getFiles(/\.(jpg|jpeg|png)$/i);
var matchFiles = [];
var photoFilesName = [];
//Searching for used images
var increment = parseFloat(0);
var divider = parseFloat(100/photoFiles.length);
win.show();
for (var i = 0; i < photoFiles.length; i++) {
increment = increment + divider;
var indexPhotoName = removeExtension(photoFiles[i].displayName);
photoFilesName.push(indexPhotoName);
var doc = activeDocument;
var curLayer;
goThroughLayers(doc, indexPhotoName);
}
function goThroughLayers(parentLayer, targetName) {
for (var i = 0; i < parentLayer.layers.length; i++) {
curLayer = parentLayer.layers[i];
doc.activeLayer = curLayer;
if (curLayer.typename == 'LayerSet') {
goThroughLayers(curLayer, targetName)
} else {
if (curLayer.name == targetName) {
// if (curLayer.name.match(/[e]/ig)) {
matchFiles.push(targetName);
// }
} //end if
} //end else
} //end loop
} //end function
function arr_diff(a1, a2) {
var a = [],
diff = [];
for (var i = 0; i < a1.length; i++) {
a[a1[i]] = true;
}
for (var i = 0; i < a2.length; i++) {
if (a[a2[i]]) {
delete a[a2[i]];
} else {
a[a2[i]] = true;
}
}
for (var k in a) {
diff.push(k);
}
return diff;
}
function removeExtension(str) {
return str.split('.').slice(0, -1).join('.');
}
var missItems = arr_diff(matchFiles, photoFilesName);
if (missItems.length > 0) {
var missFolder = new Folder(photoFiles[0].path + '/Missed%20Files');
if(!missFolder.exists){
missFolder.create();
}
for (var y = 0; y < photoFiles.length; y++) {
var photoTrimName = removeExtension(photoFiles[y].displayName);
for( var x = 0; x < missItems.length ; x++){
if(photoTrimName == missItems[x]){
photoFiles[y].copy(new File(missFolder+'/'+photoFiles[y].displayName));
}
}
};
win.close();
alert("You've missed total " + missItems.length + " files. Press OK to open folder containing missing files. Log report is generated wherever PSD is saved.");
var FileStr = "";
for(var m=0; m<missItems.length; m++){
FileStr = FileStr + '\n' + (m+1) + '. ' + missItems[m];
}
var str = "Your missed files are : " + FileStr;
saveTxt(str);
missFolder.execute();
} else {
win.close();
saveTxt('All Photos are used');
alert('All Photos are used');
}
} else {
alert('Open atleast one document');
}
function saveTxt(txt)
{
var Name = "LogReport_" + app.activeDocument.name.replace(/\.[^\.]+$/, '');
var Ext = decodeURI(app.activeDocument.name).replace(/^.*\./,'');
if (Ext.toLowerCase() != 'psd')
return;
var Path = app.activeDocument.path;
var saveFile = File(Path + "/" + Name +".txt");
if(saveFile.exists)
saveFile.remove();
saveFile.encoding = "UTF8";
saveFile.open("e", "TEXT", "????");
saveFile.writeln(txt);
saveFile.close();
}

In Javascript, it is possible to get some information related to PSD file layers using PSD.js library

export separate art boards as PNG illustrator script

I've created to a simple illustrator script to loop through the artboards and export each as a PNG back into the folder that the original illustrator file is in. At least I thought I had. I don't need to do anything complicated with layers or different formats this is just a speed up production sort of a thing. I'm a bit rusty on .jsx and appreciate there are similar solutions out there, but I can't get this to run. It seems to fail on the doc.ExportFile line but I really can't see what I'm doing wrong. I'd appreciate anyone taking a look:
var doc = activeDocument;;//Gets the active document
var numArtboards = doc.artboards.length;//returns the number of artboards in the document
var basePath = new File($.fileName).parent.fsName;
$.writeln(doc)
var options;
options = new ExportOptionsPNG24();
options.artBoardClipping = true;
options.matte = false;
options.horizontalScale = 100;
options.verticalScale = 100;
options.transparency = true;
for (var i = 0; i < numArtboards; i++ ) {
doc.artboards.setActiveArtboardIndex( i );
var artboardName = doc.artboards[i].name;
var destFile = new File('/' + artboardName + ".png");
doc.exportFile(destFile, ExportFormat.PNG24 , options);
}

The main problem seemed to be that you hve to have a destination path with the file name. This now seems to work: (You may need to altter the fileNamr generation as code just gets the first nune letters of a filename)
var doc = app.activeDocument;;//Gets the active document
var fleName = doc.name.slice(0, 9)//Get the file code number not the full name;
var numArtboards = doc.artboards.length;//returns the number of artboards in the document
var filePath = (app.activeDocument.fullName.parent.fsName).toString().replace(/\\/g, '/');
$.writeln("fleName= ",fleName)
$.writeln("numArtboards= ",numArtboards)
$.writeln("filePath= ",filePath);
var options = new ExportOptionsPNG24();
for (var i = 0; i < numArtboards; i++ ) {
doc.artboards.setActiveArtboardIndex( i );
options.artBoardClipping = true;
options.matte = false;
options.horizontalScale = 100;
options.verticalScale = 100;
options.transparency = true;
var artboardName = doc.artboards[i].name;
$.writeln("artboardName= ", artboardName);
var destFile = new File(filePath + "/" + fleName + " " + artboardName + ".png");
$.writeln("destFile= ",destFile);
doc.exportFile(destFile,ExportType.PNG24,options);
}

(Scripting) Photoshop removes special characters

I have a script (with a lot of stolen parts you may recognise) that runs through a selected group of images, copies the image and filename and applies to a template in Photoshop. Everything works just fine, except that Photoshop somehow strips umlauts from my strings, ie, Björn becomes Bjorn.
"Logging" through an alert inside of Photoshop (line #30 below) shows that it has the correct string all the way until it's applied as the textItem.contents.
Code provided below, thanks for any help!
#target photoshop
app.displayDialogs = DialogModes.NO;
var templateRef = app.activeDocument;
var templatePath = templateRef.path;
var photo = app.activeDocument.layers.getByName("Photo"); // keycard_template.psd is the active document
// Check if photo layer is SmartObject;
if (photo.kind != "LayerKind.SMARTOBJECT") {
alert("selected layer is not a smart object")
} else {
// Select Files;
if ($.os.search(/windows/i) != -1) {
var photos = File.openDialog("Select photos", "*.png;*.jpg", true)
} else {
var photos = File.openDialog("Select photos", getPhotos, true)
};
if (photos.length) replaceItems();
}
function replaceItems() {
for (var m = 0; m < photos.length; m++) {
if (photos.length > 0) {
// Extract name
var nameStr = photos[m].name;
var nameNoExt = nameStr.split(".");
var name = nameNoExt[0].replace(/\_/g, " ");
// Replace photo and text in template
photo = replacePhoto(photos[m], photo);
// alert(name);
replaceText(templateRef, 'Name', name);
templateRef.saveAs((new File(templatePath + "/keycards/" + name + ".jpg")), jpgOptions, true);
}
}
}
// OS X file picker
function getPhotos(thePhoto) {
if (thePhoto.name.match(/\.(png|jpg)$/i) != null || thePhoto.constructor.name == "Folder") {
return true
};
};
// JPG output options;
var jpgOptions = new JPEGSaveOptions();
jpgOptions.quality = 12; //enter number or create a variable to set quality
jpgOptions.embedColorProfile = true;
jpgOptions.formatOptions = FormatOptions.STANDARDBASELINE;
// Replace SmartObject Contents
function replacePhoto(newFile, theSO) {
app.activeDocument.activeLayer = theSO;
// =======================================================
var idplacedLayerReplaceContents = stringIDToTypeID("placedLayerReplaceContents");
var desc3 = new ActionDescriptor();
var idnull = charIDToTypeID("null");
desc3.putPath(idnull, new File(newFile));
var idPgNm = charIDToTypeID("PgNm");
desc3.putInteger(idPgNm, 1);
executeAction(idplacedLayerReplaceContents, desc3, DialogModes.NO);
return app.activeDocument.activeLayer
};
// Replace text strings
function replaceText(doc, layerName, newTextString) {
for (var i = 0, max = doc.layers.length; i < max; i++) {
var layerRef = doc.layers[i];
if (layerRef.typename === "ArtLayer") {
if (layerRef.name === layerName && layerRef.kind === LayerKind.TEXT) {
layerRef.textItem.contents = decodeURI(newTextString);
}
} else {
replaceText(layerRef, layerName, newTextString);
}
}
}

Had the same problem and tried everything I had in my developer toolbox... for around 3 hours ! without any success and then I found a little hack !
It seems that photoshop is uri encoding the name of the file but don't do it in a way that allow us to do a decodeURI() and get back those special characters.
For exemple instead of "%C3%A9" that should be "é" we get "e%CC%81". So what i do is a replace on the file name to the right UTF-8 code and then a decodeURI. Exemple :
var fileName = file.name
var result = fileName.replace(/e%CC%81/g, '%C3%A9') // allow é in file name
var myTextLayer.contents = decodeURI(result);
Then you can successfully get special chars and in my case accent from filename in your text layer.
You can do a replace for each characters you need for me it was :
'e%CC%81': '%C3%A9', //é
'o%CC%82': '%C3%B4', //ô
'e%CC%80': '%C3%A8', //è
'u%CC%80': '%C3%B9', //ù
'a%CC%80': '%C3%A0', //à
'e%CC%82': '%C3%AA' //ê
I took UTF-8 code from this HTML URL Encoding reference : https://www.w3schools.com/tags/ref_urlencode.asp
Hope it will help somebody one day because nothing existed online on this bug.

Illustrator scripting

I am writing a script for an active doc in Illustrator. The active doc already has the spot swatch for "LEAD" in it. All the paths I have to set and symbols need to be set to this swatch. I have worked my way around it by deleting the swatch then re-adding it to the doc. This works for all my paths and objects created. There are 3 symbols in the active doc that are being placed by scrip, that are already set to the spot swatch. When my script deletes the swatch it resets the symbol to 100% black process. Is there a way to pull the swatch from the active doc?All path items reqiure the leadSpotColor variable to set that color. The LEAD swatch already exist in the active doc. If i do not add the swatch remove line before hand it errors out, but the swatch remove line sets my symbols already in the active doc to 100% process black, and they also need to be set to the LEAD swatch.
if ( app.documents.length = "LEAD" ) {
swatchToDelete = app.activeDocument.swatches["LEAD"];
swatchToDelete.remove();
}
var leadSpot = doc.spots.add();
var leadSpotColor = new CMYKColor();
leadSpotColor.cyan = 0;
leadSpotColor.magenta = 0;
leadSpotColor.yellow = 0;
leadSpotColor.black = 100;
leadSpot.name = "LEAD";
leadSpot.colorType = ColorModel.SPOT;
leadSpot.color = leadSpotColor;
var leadSpotColor = new SpotColor();
leadSpotColor.spot = leadSpot;

Why would you want to delete the swatch if you can just edit it ?
var main = function(){
var doc,
leadClr, c;
if(!app.documents.length) return;
doc = app.activeDocument;
leadClr = getLeadColor(doc);
if ( leadClr===null ) {
var leadSpot = doc.spots.add();
var leadSpotColor = new CMYKColor();
leadSpotColor.cyan = 0;
leadSpotColor.magenta = 0;
leadSpotColor.yellow = 0;
leadSpotColor.black = 100;
leadSpot.name = "LEAD";
leadSpot.colorType = ColorModel.SPOT;
leadSpot.color = leadSpotColor;
var leadSpotColor = new SpotColor();
leadSpotColor.spot = leadSpot;
}
else {
c = leadClr.color.spot.color;
c.cyan = 0;
c.magenta = 0;
c.yellow = 0;
c.black = 100;
}
};
var getLeadColor = function(doc){
var clrs = doc.swatches,
n = clrs.length;
while (n-- ) {
if ( clrs[n].name=="LEAD" ) return clrs[n];
}
return null;
}
main();
I would recommend adding some prevention mechanism like ensure swatch is actually a spot prior to reach teh spot property.

First of all first line of your code is wrong
if ( app.documents.length = "LEAD" )
How you can compare length with string "LEAD", its should be a number and also in if statement we use conditional operator and what you are doing is assigning value in if statement.
Here is the script for LEAD spot, that will give you spot color if exist otherwise it will create new spot color with name "LEAD"
function main() {
var currentDocument;
var leadSpotColor;
if (!app.documents.length) {
alert("No document is open");
return;
}
currentDocument = app.activeDocument;
leadSpotColor = getLeadSpotColor(currentDocument);
applyColorToAllPath(leadSpotColor, currentDocument);
}
function getLeadSpotColor(currentDocument) {
try {
var leadSpotColor = currentDocument.spots.getByName('LEAD')
return leadSpotColor;
} catch (e) {
var color = new CMYKColor();
color.cyan = 0;
color.magenta = 0;
color.yellow = 0;
color.black = 100;
var newSpot = currentDocument.spots.add();
newSpot.name = "LEAD";
newSpot.colorType = ColorModel.SPOT;
newSpot.color = color;
var leadSpotColor = new SpotColor();
leadSpotColor.spot = newSpot;
return leadSpotColor;
}
}
function applyColorToAllPath(leadSpotColor, currentDocument) {
// Change code as per your requiremnt. I just handled for pathItems. You can similary for symbols.
var pathItems = currentDocument.pathItems;
for (var i = 0; i < pathItems.length; i++) {
pathItems[i].filled = true;
pathItems[i].fillColor = leadSpotColor;
pathItems[i].stroke = true;
pathItems[i].strokeColor = leadSpotColor;
}
}
main();

Find MIME type for image with no extension

I'm hacking together a little Dropbox image slideshow. I use the Dropbox Public folder to share the index.html file which looks in the 'img' folder for a bunch of images to create slides.
I do this with the following, it's hacky but works
var findFiles = function(slideLimit){
var limit = slideLimit;
var img = [];
for(var i = 1; i < limit; i++){
var src = "<li class='slide slide-"+i+"'><img src='img/"+i+".png' onerror='imgError(this);''></li>"
$('.frame ul').append(src);
}
}
That works great, but I'd like to provide a solution that doesn't rely on the user having to use .png.
I was hoping omitting the extension would work on Dropbox but turns out no:
var src = "<li class='slide slide-"+i+"'><img src='img/"+i+"' onerror='imgError(this);''></li>"
I've been racking my brains, ideally I'd like
if( mimeType = png)
i + '.png'
else if (mimeType = gif)
i + '.gif'
etc
Bit stuck for solutions. Anyone got any good ideas? Might require me taking different a different direction...

Best way, make the users tell you the extension
var findFiles = function(slideLimit, ext){
var limit = slideLimit,
img = [],
lis = [];
ext = ext || "png";
for (var i = 1; i < limit; i++) {
lis.push("<li class='slide slide-"+i+"'><img src='img/"+i+"."+ext+"' onerror='imgError(this);''></li>");
}
$('.frame ul').append(lis.join(""));
}
Ping the server for the file, downside it takes time to keep hitting the server to see if the file it there
var findFiles = function(slideLimit){
var limit = slideLimit,
img = [],
lis = [],
extList = ["png","gif"];
function testExt () {
var ext = extList.shift();
if (ext) {
var img = new Image();
img.onload = function () {
load(ext);
};
img.onerror = testExt;
img.src="img/1." + ext;
}
}
function load (ext){
for (var i = 1; i < limit; i++) {
lis.push("<li class='slide slide-"+i+"'><img src='img/"+i+"."+ext+"' onerror='imgError(this);''></li>");
}
$('.frame ul').append(lis.join(""));
}
testExt();
}
[note both code snipplets are untested, wrote them here in the editor]