aa-zoomify

aa-zoomify.jsx

// copied from https://gist.github.com/davidmerrique/4066808

var inFolder = Folder.selectDialog("Please select folder to process");

var defaults = {
  type: "w",
  quality: 50,
  sizes: [1680, 1000, 640]
};

var settings = defaults;

var matches = {
  "w": "width",
  "h": "height"
};

if(inFolder !== null) {
  var fileList = inFolder.getFiles(/\.(jpg|tif|psd|)$/i);
  var outfolderName = prompt('Folder name', 'zoom');
  var outfolder = new Folder(decodeURI(inFolder) + "/" + outfolderName);

  if (!outfolder.exists) outfolder.create();

  for(var a = 0; a < fileList.length; a++) {
    if(fileList[a] instanceof File) {
      var doc = open(fileList[a]);
      var docname = fileList[a].name.replace(/\.[^\.]+$/, '');
      setValues();
      zoomify();
      doc.close(SaveOptions.DONOTSAVECHANGES);
    }
  }
}

function setValues() {
  var str = stringifyValues(settings);
  var confirmDefaults = prompt(str + '\n======================\nType anything to agree', '');

  if (confirmDefaults) {
    return;
  } else {
    var type = prompt('What the type? width(w) or height(h)?',matches[settings.type]);
    if (type && (type.match(/^h$/i) || type.match(/height/i))) {
      settings.type = "h";
    } else {
      settings.type = "w";
    }

    var quality = parseInt(prompt('Set quality',settings.quality),10);

    if (!isNaN(quality) && quality > 0) {
      settings.quality = quality;
    }

    var sizesString = prompt('Selected type – '+ matches[settings.type] + '\n Type sizes, divided by space', settings.sizes.join(' '));

    if (sizesString) {
      settings.sizes = [];
      var sizesArray = sizesString.split(" ");
      for (var i = 0; i < sizesArray.length; i++) {
        var item = parseInt(sizesArray[i], 10);
        if (!isNaN(item) && item > 0) {
          settings.sizes.push(item);
        }
      };
    }


    setValues();
  }
}

function stringifyValues(settings) {
  var output = 'Your settings are \n======================\n';
  switch (settings.type) {
    case 'w':
      output += 'Type of resizing: \nWidth \n';
      break;
    case 'h':
      output += 'Type of resizing: \nHeight \n';
      break;
    default:
      output += 'Error! No type of resizing set \n';
  }
  output += 'Selected quality: \n';
  output += settings.quality + '\n';
  output += 'Selected sizes: \n';
  output += settings.sizes.join(', ');
  return output;
}


function zoomify() {

  var savedRuler = app.preferences.rulerUnits;
  var w = app.activeDocument.width;
  var h = app.activeDocument.height;
  var quality = 50;

  // app.preferences.rulerUnits = Units.PIXELS;
  // if(w > h) app.activeDocument.resizeCanvas (w, w, AnchorPosition.MIDDLECENTER);
  // if(w < h) app.activeDocument.resizeCanvas (h, h, AnchorPosition.MIDDLECENTER);
  // app.activeDocument.resizeImage('2560px', undefined, undefined, ResampleMethod.BICUBICSHARPER);
  // app.preferences.rulerUnits = savedRuler;

  // for(var i = 4; i >= 0; i--) {
  //   var outfolder = new Folder(decodeURI(inFolder) + "/" + outfolderName + "/" + docname + "/TileGroup0");
  //   if (outfolder.exists === false) outfolder.create();
  //   var saveFile = new File(decodeURI(outfolder) + "/" + i + "-0-0.jpg");
  //   SaveJPEG(saveFile, quality);
  //   app.activeDocument.resizeImage('50%','50%', undefined, ResampleMethod.BICUBICSHARPER);
  //   quality = quality + 10;
  // }
  app.preferences.rulerUnits = Units.PIXELS;

  for(var i = settings.sizes.length - 1; i >= 0; i--) {
    // var outfolder = new Folder(decodeURI(inFolder) + "/" + outfolderName + "/" + docname + "/TileGroup0");
    var outfolder = new Folder(decodeURI(inFolder) + "/" + outfolderName + "/");
    if (outfolder.exists === false) outfolder.create();
    var compW = 0;
    var compH = 0;
    if (settings.type === "w") {
      compW = settings.sizes[i];
      compH = Math.floor(h * compW / w );
    } else {
      compH = settings.sizes[i];
      compW = Math.floor(w * compH / h );
    }
    app.activeDocument.resizeImage(compW,compH, undefined, ResampleMethod.BICUBICSHARPER);
    var saveFile = new File(decodeURI(outfolder) + "/" +
      docname + "_" +
      settings.type + "_" +
      settings.sizes[i] + "_" +
      settings.quality + '.jpg');
    SaveJPEG(saveFile, quality);
  }

  app.preferences.rulerUnits = savedRuler;
}

function SaveJPEG(saveFile, quality) {
  var exportOptionsSaveForWeb = new ExportOptionsSaveForWeb();
  exportOptionsSaveForWeb.format = SaveDocumentType.JPEG;
  exportOptionsSaveForWeb.includeProfile = false;
  exportOptionsSaveForWeb.interlaced = true;
  exportOptionsSaveForWeb.optimized = true;
  exportOptionsSaveForWeb.quality = quality;

  activeDocument.exportDocument(saveFile, ExportType.SAVEFORWEB,exportOptionsSaveForWeb);
}