Layer Properties

acidelic · Post by **acidelic** » Tue Apr 26, 2011 1:19 pm

hi. i'm trying to get layer properties like width, height, x, y but i got stuck.

Code: Select allvar doc = activeDocument;
bounds = doc.activeLayer.bounds;
top = bounds[0];
right = bounds[1];
bottom = bounds[2];
left = bounds[3];
alert(left);

but it does NOT give me the subpixel value. i mean if an object has a width like 13,46 px , bounds[0] results as 14 px.

when i transform an object with a subpixel value and then view the script log, i see

Code: Select allvar idTrnf = charIDToTypeID( "Trnf" );
var desc777 = new ActionDescriptor();
var idnull = charIDToTypeID( "null" );
var ref472 = new ActionReference();
var idPath = charIDToTypeID( "Path" );
var idOrdn = charIDToTypeID( "Ordn" );
var idTrgt = charIDToTypeID( "Trgt" );
ref472.putEnumerated( idPath, idOrdn, idTrgt );
desc777.putReference( idnull, ref472 );
var idFTcs = charIDToTypeID( "FTcs" );
var idQCSt = charIDToTypeID( "QCSt" );
var idQcszero = charIDToTypeID( "Qcs0" );
desc777.putEnumerated( idFTcs, idQCSt, idQcszero );
var idOfst = charIDToTypeID( "Ofst" );
var desc778 = new ActionDescriptor();
var idHrzn = charIDToTypeID( "Hrzn" );
var idPxl = charIDToTypeID( "#Pxl" );
desc778.putUnitDouble( idHrzn, idPxl, 0.000000 );
var idVrtc = charIDToTypeID( "Vrtc" );
var idPxl = charIDToTypeID( "#Pxl" );
desc778.putUnitDouble( idVrtc, idPxl, 0.000000 );
var idOfst = charIDToTypeID( "Ofst" );
desc777.putObject( idOfst, idOfst, desc778 );
var idWdth = charIDToTypeID( "Wdth" );
var idPrc = charIDToTypeID( "#Prc" );
desc777.putUnitDouble( idWdth, idPrc, 98.760000 );
executeAction( idTrnf, desc777, DialogModes.NO );

i tried getUnitDoubleValue but could not make it work.

any help ?

Mike Hale · Post by **Mike Hale** » Wed Apr 27, 2011 12:45 am

Apples and oranges. The scriptlistener code you posted transforms a path. A path point can have sub pixel values. A selection can not. Even a path loaded as a selection only selects whole pixels.

acidelic · Post by **acidelic** » Wed Apr 27, 2011 10:31 am

so is there a way to get exact sub-pixel values of any layer (path, etc.) ? or do i have to calculate it from anchorpoints ?

Mike Hale · Post by **Mike Hale** » Wed Apr 27, 2011 1:05 pm

You have to check the path points. Channels and pixel layers will not have sub pixel values.

acidelic · Post by **acidelic** » Thu Apr 28, 2011 1:57 pm

i could not find the path specific code in actiondescriptor in the scriptlog, when i free transform a path. am i missing a point here ?

Mike Hale · Post by **Mike Hale** » Thu Apr 28, 2011 3:01 pm

You can get the pathPoints by either using the DOM. activeDocument.pathItems[0].subPathItems[0].pathPoints[0].anchor etc

Or by getting the descriptor for the path.

Paul MR · Post by **Paul MR** » Thu Apr 28, 2011 3:31 pm

Just like to mention you have your bounds incorrect.
Code: Select allvar doc = activeDocument;
bounds = doc.activeLayer.bounds;
top = bounds[0];
right = bounds[1];
bottom = bounds[2];
left = bounds[3];
alert(left);

should be...
Code: Select allvar doc = activeDocument;
bounds = doc.activeLayer.bounds;
top = bounds[1];
right = bounds[2];
bottom = bounds[3];
left = bounds[0];
alert(left);