Photoshop script for thumbnail and small preview img

conditionalGalleryResize.jsx

var inFolder = new Folder("~/Desktop/forUpload");

var fileList = inFolder.getFiles(/\.(jpg|tif|psd|bmp|gif|png|pdf|)$/i);

for(var a = 0 ;a < fileList.length; a++)
{


var docRef = open(fileList[a]);

// set background color
var color = app.backgroundColor;
color.rgb.red = 234;
color.rgb.green = 234;
color.rgb.blue = 234;

app.backgroundColor = color;






// get a reference to the current (active) document and store it in a variable named "doc"
doc = app.activeDocument;  

// change the color mode to RGB.  Important for resizing GIFs with indexed colors, to get better results
doc.changeMode(ChangeMode.RGB);  


// these are our values for the end result width and height (in pixels) of our image
var fWidth = 600;
var fHeight = 400;

//portrait mode, resize based on height
if (doc.height > doc.width) {
    doc.resizeImage(null,UnitValue(fHeight,"px"),"200",ResampleMethod.BICUBIC);
}
else {
    doc.resizeImage(UnitValue(fWidth,"px"),null,"200",ResampleMethod.BICUBIC);
}

// call autoContrast and applySharpen on the active layer.
// if we just opened a gif, jpeg, or png, there's only one layer, so it must be the active one
// doc.activeLayer.autoContrast();
// doc.activeLayer.applySharpen();


doc.resizeCanvas(new UnitValue(fWidth,"px"),new UnitValue(fHeight,"px"), AnchorPosition.TOPCENTER);

// our web export options
var options = new ExportOptionsSaveForWeb();
options.quality = 100;
options.format = SaveDocumentType.JPEG;
options.optimized = true;

var smallName = doc.name.slice(0,-4) + '_small.jpg';

doc.exportDocument(File(doc.path+'/'+smallName),ExportType.SAVEFORWEB,options);

fWidth = 300;
fHeight = 200;
//portrait mode, resize based on height
if (doc.height > doc.width) {
    doc.resizeImage(null,UnitValue(fHeight,"px"),"200",ResampleMethod.BICUBIC);
}
else {
    doc.resizeImage(UnitValue(fWidth,"px"),null,"200",ResampleMethod.BICUBIC);
}
doc.resizeCanvas(new UnitValue(fWidth,"px"),new UnitValue(fHeight,"px"), AnchorPosition.TOPCENTER);

var thumbName = doc.name.slice(0,-4) + '_thumb.jpg';
doc.exportDocument(File(doc.path+'/'+thumbName),ExportType.SAVEFORWEB,options);


doc.close( SaveOptions.DONOTSAVECHANGES );

}