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@Arahnoid Arahnoid/export.js forked from nextend/export.js
Last active Apr 21, 2019

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[Export selected layers]Export multiple selected layers from Photoshop with scripting #Photoshop
app.activeDocument.suspendHistory("Export as png", "main()");
function main() {
if (app.documents.length) {
var docRef = app.activeDocument;
if (docRef.layers.length) {
var selected = getSelectedLayersIdx();
for (var i = 0; i < selected.length; i++) {
var layer = selectByIndex(selected[i]),
width = layer.bounds[2] - layer.bounds[0],
height = layer.bounds[3] - layer.bounds[1];
var newDoc = app.documents.add(width, height, 72, layer.name, NewDocumentMode.RGB, DocumentFill.TRANSPARENT);
app.activeDocument = docRef;
var targetLayer = layer.duplicate(newDoc, ElementPlacement.PLACEATBEGINNING);
app.activeDocument = newDoc;
var Position = targetLayer.bounds;
targetLayer.translate(-Position[0], -Position[1]);
//Options to export to PNG files
var options = new ExportOptionsSaveForWeb();
options.format = SaveDocumentType.PNG;
options.PNG8 = false;
options.transparency = true;
options.optimized = true;
var folder1 = Folder(docRef.path + '/export');
if (!folder1.exists) folder1.create();
newDoc.exportDocument(File(docRef.path + '/export/' + layer.name + '.png'), ExportType.SAVEFORWEB, options);
//Close the temp document without saving the changes
newDoc.close(SaveOptions.DONOTSAVECHANGES);
}
}
}
}
function getSelectedLayersIdx() {
var selectedLayers = new Array;
var ref = new ActionReference();
ref.putEnumerated(charIDToTypeID("Dcmn"), charIDToTypeID("Ordn"), charIDToTypeID("Trgt"));
var desc = executeActionGet(ref);
if (desc.hasKey(stringIDToTypeID('targetLayers'))) {
desc = desc.getList(stringIDToTypeID('targetLayers'));
var c = desc.count
var selectedLayers = new Array();
for (var i = 0; i < c; i++) {
try {
activeDocument.backgroundLayer;
selectedLayers.push(desc.getReference(i).getIndex());
} catch (e) {
selectedLayers.push(desc.getReference(i).getIndex() + 1);
}
}
} else {
var ref = new ActionReference();
ref.putProperty(charIDToTypeID("Prpr"), charIDToTypeID("ItmI"));
ref.putEnumerated(charIDToTypeID("Lyr "), charIDToTypeID("Ordn"), charIDToTypeID("Trgt"));
try {
activeDocument.backgroundLayer;
selectedLayers.push(executeActionGet(ref).getInteger(charIDToTypeID("ItmI")) - 1);
} catch (e) {
selectedLayers.push(executeActionGet(ref).getInteger(charIDToTypeID("ItmI")));
}
var vis = app.activeDocument.activeLayer.visible;
if (vis == true) app.activeDocument.activeLayer.visible = false;
var desc9 = new ActionDescriptor();
var list9 = new ActionList();
var ref9 = new ActionReference();
ref9.putEnumerated(charIDToTypeID('Lyr '), charIDToTypeID('Ordn'), charIDToTypeID('Trgt'));
list9.putReference(ref9);
desc9.putList(charIDToTypeID('null'), list9);
executeAction(charIDToTypeID('Shw '), desc9, DialogModes.NO);
if (app.activeDocument.activeLayer.visible == false) selectedLayers.shift();
app.activeDocument.activeLayer.visible = vis;
}
return selectedLayers;
}
///////////////////////////////////////////////////////////////////////////////
// Function: selectByIndex
// Description: Sets the activeLayer by AM itemIndex and returns DOM active layer
// Usage: var idx = makeActiveByIndex( 7 );
// Input: Number (single idx)
// Return: activeLayer
///////////////////////////////////////////////////////////////////////////////
function selectByIndex(idx) {
// avoid error when background layer idx is passed
if (idx == 0) return;
// if an array is passed use only the first element
if (idx.length != undefined) {
idx = idx[0];
}
// execute selection
var desc = new ActionDescriptor();
var ref = new ActionReference();
ref.putIndex(charIDToTypeID('Lyr '), idx);
desc.putReference(charIDToTypeID('null'), ref);
executeAction(charIDToTypeID('slct'), desc, DialogModes.NO);
return app.activeDocument.activeLayer;
}
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