The script code would need to be modified to create a JPG rather than a PNG.
EDIT: Try this, currently set to JPEG quality level 10...
/*
https://github.com/mechanicious/photoshopCompositionComposer
photoshopCompositionComposer-JPEG.jsx
Modified by Stephen Marsh, 2nd September 2021
*/
var userDisplayDialogsPref = app.displayDialogs;
app.displayDialogs = DialogModes.ALL;
var savePath;
app.displayDialogs = DialogModes.NO;
function getType(thing){
if(thing === null) return "[object Null]"; // special case
return Object.prototype.toString.call(thing);
}
function getCombinations(arr, n) {
if (n == 1) {
var ret = [];
for (var i = 0; i < arr.length; i++) {
for (var j = 0; j < arr[i].length; j++) {
ret.push([arr[i][j]]);
}
}
return ret;
} else {
var ret = [];
for (var i = 0; i < arr.length; i++) {
var elem = arr.shift();
for (var j = 0; j < elem.length; j++) {
var childperm = getCombinations(arr.slice(), n - 1);
for (var k = 0; k < childperm.length; k++) {
ret.push([elem[j]].concat(childperm[k]));
}
}
}
return ret;
}
}
function showAllArtLayers() {
for(var i = 0; i < layerSets.length; i++) {
for(var z = 0; z < layerSets[i].artLayers.length; z++) {
layerSets[i].artLayers[z].visible = true;
}
}
}
function hideAllArtLayers() {
var layerSets = app.activeDocument.layerSets;
for(var i = 0; i < layerSets.length; i++) {
if(layerSets[i].artLayers.length) {
for(var z = 0; z < layerSets[i].artLayers.length; z++) {
layerSets[i].artLayers[z].visible = false;
}
} else {
for(var z = 0; z < layerSets[i].layerSets.length; z++) {
layerSets[i].layerSets[z].visible = false;
}
}
}
}
function getArtLayerCollectionCollection() {
var layerSets = app.activeDocument.layerSets,
artLayerCollectionCollection = [];
for(var i = 0; i < layerSets.length; i++) {
var artlayerCollection = [];
if(layerSets[i].artLayers.length) {
for(var z = 0; z < layerSets[i].artLayers.length; z++) {
if(layerSets[i].name.indexOf('__') !== 0)
artlayerCollection.push(layerSets[i].artLayers[z]);
}
} else {
for(var z = 0; z < layerSets[i].layerSets.length; z++) {
if(layerSets[i].name.indexOf('__') !== 0)
artlayerCollection.push(layerSets[i].layerSets[z]);
}
}
artLayerCollectionCollection.push(artlayerCollection);
}
return artLayerCollectionCollection;
}
function combine() {
var artLayerCollectionCollection = getArtLayerCollectionCollection(),
artLayerCollectionCollectionCombinations = getCombinations(artLayerCollectionCollection, getLayerSetsCount()),
continueConfirmation;
if(! artLayerCollectionCollectionCombinations.length) return alert('Script has aborted. No combinations found. Please make sure no empty groups are present.');
continueConfirmation = confirm(artLayerCollectionCollectionCombinations.length + " combinations found. Would you like to continue?");
if(! continueConfirmation ) return alert('Script has been aborted.');
savePath = Folder.selectDialog("Select an output folder");
var includePSDFiles = confirm('Would you like to include corresponding PSD documents with the JPEG versions?')
for(var i = 0; i < artLayerCollectionCollectionCombinations.length; i++) {
hideAllArtLayers();
var artLayerNames = [];
for(var z = 0; z < artLayerCollectionCollectionCombinations[i].length; z++) {
var artLayer = artLayerCollectionCollectionCombinations[i][z];
artLayer.visible = true;
artLayerNames.push(artLayer.parent.name);
artLayerNames.push(artLayer.name);
}
saveDocumentAsJPEG(savePath + '/' + normalizeSaveFileName(artLayerNames.join('')).substr(0, 254));
if(includePSDFiles) saveDocumentAsPSD(savePath + '/' + normalizeSaveFileName(artLayer.parent.name + artLayerNames.join('')).substr(0, 254));
}
}
function getSmallestLayerSetCount() {
var count = null,
layerSets = app.activeDocument.layerSets;
for(var i = 0; i < layerSets.length; i++) {
var artLayers = layerSets[i].artLayers;
if(count === null) count = artLayers.length;
if(artLayers.length < count) count = artLayers.length;
}
return 1;
}
function getLayerSetsCount() {
var layerSets = app.activeDocument.layerSets,
count = 0;
for(var i = 0; i < layerSets.length; i++) {
if(layerSets[i].name.indexOf('__') !== 0) count++;
}
return count;
}
function normalizeSaveFileName(name) {
return name;
}
function saveDocumentAsJPEG(path) {
app.activeDocument.saveAs(new File(path), new JPEGSaveOptions(), JPEGSaveOptions.quality = 10);
}
function saveDocumentAsPSD(path) {
app.activeDocument.saveAs(new File(path), new PhotoshopSaveOptions());
}
combine();
app.displayDialogs = userDisplayDialogsPref;
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