You can rotate a layer about any point you want to.
// 2015 John J. McAssey (JJMack)
// ======================================================= */
// This script is supplied as is. It is provided as freeware.
// The author accepts no liability for any problems arising from its use.
// enable double-clicking from Mac Finder or Windows Explorer
#target photoshop // this command only works in Photoshop CS2 and higher
// bring application forward for double-click events
app.bringToFront();
// ensure at least one document open
if (!documents.length) alert('There are no documents open.', 'No Document');
else {
//Set First Time Defaults here
var dfltCpys = 12; // default number of copies including the original
var dfltPos = 4; // default Middle Center
//End Defaults
var Prefs ={}; //Object to hold preferences.
var prefsFile = File(Folder.temp + "/RotateLayerAboutPreferences.dat");
//If preferences do not exit use Defaults from above
if(!prefsFile.exists){
Prefs.Cpys = dfltCpys;
Prefs.Pos = dfltPos;
prefsFile.open('w');
prefsFile.write(Prefs.toSource());
prefsFile.close();
}
else{//Preferences exist so open them
prefsFile.open('r');
Prefs = eval(prefsFile.read());
prefsFile.close();
}
try {
function createDialog(){
// begin dialog layout
var DupRotateDialog = new Window('dialog');
DupRotateDialog.text = 'Duplicate and Rotate Layer';
DupRotateDialog.frameLocation = [78, 100];
DupRotateDialog.alignChildren = 'center';
DupRotateDialog.NumLayerPnl = DupRotateDialog.add('panel', [2, 2, 300, 56], 'Number of Layers and Rotation Anchor Point');
DupRotateDialog.NumLayerPnl.add('statictext', [10, 16, 50, 48], 'Copies ');
DupRotateDialog.NumLayerPnl.imgCpysEdt = DupRotateDialog.NumLayerPnl.add('edittext', [50, 13, 90, 34], Prefs.Cpys, {name:'imgCpys'});
DupRotateDialog.NumLayerPnl.imgCpysEdt.helpTip = 'Number of copies of selected Layer';
DupRotateDialog.NumLayerPnl.add('statictext',[96, 16, 240, 48],'Location');
var position =['Top Left','Top Center','Top Right','Center Left','Center','Center Right','Bottom Left','Bottom Center','Bottom Right','Doc Center','Samples','Path Points'];
DupRotateDialog.NumLayerPnl.dd1 = DupRotateDialog.NumLayerPnl.add('dropdownlist',[150, 13, 260, 34],position);
DupRotateDialog.NumLayerPnl.dd1.selection=Prefs.Pos;
var buttons = DupRotateDialog.add('group');
buttons.orientation = 'row';
var okBtn = buttons.add('button');
okBtn.text = 'OK';
okBtn.properties = {name: 'ok'};
var cancelBtn = buttons.add('button');
cancelBtn.text = 'Cancel';
cancelBtn.properties = {name: 'cancel'};
return DupRotateDialog;
}
dispdlg(createDialog());
function dispdlg(DupRotateDialog){
// display dialog and only continues on OK button press (OK = 1, Cancel = 2)
DupRotateDialog.onShow = function() {
var ww = DupRotateDialog.bounds.width;
var hh = DupRotateDialog.bounds.height;
DupRotateDialog.bounds.x = 78;
DupRotateDialog.bounds.y = 100;
DupRotateDialog.bounds.width = ww;
DupRotateDialog.bounds.height = hh;
}
if (DupRotateDialog.show() == 1) {
//variables passed from user interface
var copies = String(DupRotateDialog.NumLayerPnl.imgCpys.text); if (copies=="") { copies = Prefs.Cpys;}
if (isNaN(copies)) { alert("Non numeric value entered"); dispdlg(createDialog());}
else {
if (copies<2 || copies>360) { alert("Number of layer allow is 2 to 360"); dispdlg(createDialog());} // Not in range
else {
var AnchorPoint = Number(DupRotateDialog.NumLayerPnl.dd1.selection.index) + 1;
cTID = function(s) { return app.charIDToTypeID(s); };
sTID = function(s) { return app.stringIDToTypeID(s); };
// Save the current preferences
Prefs.Cpys = copies;
Prefs.Pos = Number(DupRotateDialog.NumLayerPnl.dd1.selection.index);
prefsFile.open('w');
prefsFile.write(Prefs.toSource());
prefsFile.close();
var startRulerUnits = app.preferences.rulerUnits;
var startTypeUnits = app.preferences.typeUnits;
var startDisplayDialogs = app.displayDialogs;
// Set Photoshop to use pixels and display no dialogs
app.preferences.rulerUnits = Units.PIXELS;
app.preferences.typeUnits = TypeUnits.PIXELS;
app.displayDialogs = DialogModes.NO;
app.togglePalettes();
try { app.activeDocument.suspendHistory('RotateLayerAbout','main(copies, AnchorPoint)' );}
catch(e) {alert(e + ': on line ' + e.line);}
// Return the app preferences
app.togglePalettes();
app.preferences.rulerUnits = startRulerUnits;
app.preferences.typeUnits = startTypeUnits;
app.displayDialogs = startDisplayDialogs;
}
}
}
else {
//alert('Operation Canceled.');
}
}
}
catch(err){
// Lot's of things can go wrong, Give a generic alert and see if they want the details
if ( confirm("Sorry, something major happened and I can't continue! Would you like to see more info?" ) ) { alert(err + ': on line ' + err.line ); }
}
}
function main(stemsAmount, Position) {
if ( Position == 11 && app.activeDocument.colorSamplers.length==0 ) {
alert("No Color Sampler set");
return;
}
if ( Position == 12 ) {
var thePath = selectedPath();
if (thePath == undefined) {
alert("No Path Selected");
return;
}
var myPathInfo = extractSubPathInfo(thePath);
}
// Save selected layer to variable:
var originalStem = app.activeDocument.activeLayer;
// Run the copying process
if(stemsAmount != null){
// Calculate the rotation angle
var angle = 360 / parseInt(stemsAmount);
// Create a group for stems
var stemsGroup = app.activeDocument.layerSets.add();
stemsGroup.name = originalStem.name + " ("+stemsAmount+" stems)";
// Place original layer in group
originalStem.move(stemsGroup, ElementPlacement.INSIDE);
// Duplicate and rotate layers:
for(var i = 1; i < stemsAmount; i++){
// Duplicate original layer and save it to the variable
var newStem = originalStem.duplicate();
// Rotate new layer
switch (Position){
case 1 : newStem.rotate(angle * i, AnchorPosition.TOPLEFT); break;
case 2 : newStem.rotate(angle * i, AnchorPosition.TOPCENTER); break;
case 3 : newStem.rotate(angle * i, AnchorPosition.TOPRIGHT); break;
case 4 : newStem.rotate(angle * i, AnchorPosition.MIDDLELEFT); break;
case 5 : newStem.rotate(angle * i, AnchorPosition.MIDDLECENTER); break;
case 6 : newStem.rotate(angle * i, AnchorPosition.MIDDLERIGHT); break;
case 7 : newStem.rotate(angle * i, AnchorPosition.BOTTOMLEFT); break;
case 8 : newStem.rotate(angle * i, AnchorPosition.BOTTOMCENTER); break;
case 9 : newStem.rotate(angle * i, AnchorPosition.BOTTOMRIGHT); break;
case 10 : app.activeDocument.activeLayer = newStem; rotateAroundPosition(angle * i,activeDocument.width/2,activeDocument.height/2); break;
case 11 : for (var s=0,len=app.activeDocument.colorSamplers.length;s<len;s++) {
if (s!=0) {
// Duplicate original layer and save it to the variable
var newStem = originalStem.duplicate();
}
newStem.name = originalStem.name + " " + (i+1) + " p" + (s+1) ;
app.activeDocument.activeLayer = newStem;
var colorSamplerRef = app.activeDocument.colorSamplers[s];
//alert("angle=" + (angle * i) + " ,x=" + colorSamplerRef.position[0].value + " ,y=" + colorSamplerRef.position[1].value);
rotateAroundPosition(angle * i,colorSamplerRef.position[0].value,colorSamplerRef.position[1].value);
newStem.move(stemsGroup, ElementPlacement.PLACEATEND);
};
break;
case 12 : for(var k=0;k<myPathInfo.length;k++){
for(var j=0;j<myPathInfo[k].entireSubPath.length;j++){
if (k!=0 || j!=0) {
// Duplicate original layer and save it to the variable
var newStem = originalStem.duplicate();
}
newStem.name = originalStem.name + " " + (i+1) + " p" + (j+1) ;
app.activeDocument.activeLayer = newStem;
rotateAroundPosition(angle * i,myPathInfo[k].entireSubPath[j].anchor[0],myPathInfo[k].entireSubPath[j].anchor[1]);
newStem.move(stemsGroup, ElementPlacement.PLACEATEND);
}
}
break;
default : break;
}
// Add index to new layers
if (Position!=11) {
newStem.name = originalStem.name + " " + (i+1);
// Place new layer inside stems group
newStem.move(stemsGroup, ElementPlacement.PLACEATEND);
}
};
// Add index to the original layer
if (Position!=11) originalStem.name += " 1";
else originalStem.name += " 1 p1";
};
activeDocument.activeLayer = activeDocument.layers[0]; // Target top
var groupname = app.activeDocument.activeLayer.name // remember name of group
var idungroupLayersEvent = stringIDToTypeID( "ungroupLayersEvent" ); // this part from Script Listene -- ungroup group
var desc14 = new ActionDescriptor();
var idnull = charIDToTypeID( "null" );
var ref13 = new ActionReference();
var idLyr = charIDToTypeID( "Lyr " );
var idOrdn = charIDToTypeID( "Ordn" );
var idTrgt = charIDToTypeID( "Trgt" );
ref13.putEnumerated( idLyr, idOrdn, idTrgt );
desc14.putReference( idnull, ref13 );
executeAction( idungroupLayersEvent, desc14, DialogModes.NO );
var idMk = charIDToTypeID( "Mk " ); // this part from Script Listene -- group selected layers
var desc15 = new ActionDescriptor();
var idnull = charIDToTypeID( "null" );
var ref14 = new ActionReference();
var idlayerSection = stringIDToTypeID( "layerSection" );
ref14.putClass( idlayerSection );
desc15.putReference( idnull, ref14 );
var idFrom = charIDToTypeID( "From" );
var ref15 = new ActionReference();
var idLyr = charIDToTypeID( "Lyr " );
var idOrdn = charIDToTypeID( "Ordn" );
var idTrgt = charIDToTypeID( "Trgt" );
ref15.putEnumerated( idLyr, idOrdn, idTrgt );
desc15.putReference( idFrom, ref15 );
executeAction( idMk, desc15, DialogModes.NO );
app.activeDocument.activeLayer.name = groupname // recall group name
}
function rotateAroundPosition(_angle,x,y) {
var desc1 = new ActionDescriptor();
var desc2 = new ActionDescriptor();
var ref1 = new ActionReference();
ref1.putEnumerated(charIDToTypeID('Lyr '), charIDToTypeID('Ordn'), charIDToTypeID('Trgt'));
desc1.putReference(charIDToTypeID('null'), ref1);
desc1.putEnumerated(charIDToTypeID('FTcs'), charIDToTypeID('QCSt'), stringIDToTypeID("QCSIndependent"));
desc2.putUnitDouble(charIDToTypeID('Hrzn'), charIDToTypeID('#Pxl'), x);
desc2.putUnitDouble(charIDToTypeID('Vrtc'), charIDToTypeID('#Pxl'), y);
desc1.putObject(charIDToTypeID('Pstn'), charIDToTypeID('Pnt '), desc2);
desc1.putUnitDouble(charIDToTypeID('Angl'), charIDToTypeID('#Ang'), _angle);
desc1.putEnumerated(charIDToTypeID('Intr'), charIDToTypeID('Intp'), charIDToTypeID('Bcbc'));
executeAction(charIDToTypeID('Trnf'), desc1, DialogModes.NO);
}
////// determine selected path //////
function selectedPath () {
try {
var ref = new ActionReference();
ref.putEnumerated( charIDToTypeID("Path"), charIDToTypeID("Ordn"), charIDToTypeID("Trgt") );
var desc = executeActionGet(ref);
var theName = desc.getString(charIDToTypeID("PthN"));
return app.activeDocument.pathItems.getByName(theName)
}
catch (e) {
return undefined
}
};
////// michael l hale’s code //////
function extractSubPathInfo(pathObj){
var pathArray = new Array();// each element can be used as the second arugment in pathItems.add ie doc.pathItems.add("myPath1", [pathArray[0]]);
var pl = pathObj.subPathItems.length;
for(var s=0;s<pl;s++){
var pArray = new Array();
for(var i=0;i<pathObj.subPathItems[s].pathPoints.length;i++){
pArray[i] = new PathPointInfo;
pArray[i].kind = pathObj.subPathItems[s].pathPoints[i].kind;
pArray[i].anchor = pathObj.subPathItems[s].pathPoints[i].anchor;
//alert("Anchor " + pathObj.subPathItems[s].pathPoints[i].anchor );
pArray[i].leftDirection = pathObj.subPathItems[s].pathPoints[i].leftDirection;
pArray[i].rightDirection = pathObj.subPathItems[s].pathPoints[i].rightDirection;
};
pathArray[pathArray.length] = new Array();
pathArray[pathArray.length - 1] = new SubPathInfo();
pathArray[pathArray.length - 1].operation = pathObj.subPathItems[s].operation;
pathArray[pathArray.length - 1].closed = pathObj.subPathItems[s].closed;
pathArray[pathArray.length - 1].entireSubPath = pArray;
};
return pathArray;
};
JJMack
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