【记录】Adobe AI CC 图片批量描摹脚本

批量描摹脚本
/*
By Blackkitty 20170923

将图像分别描摹为预设的黑白，灰度，16色三种svg并保存
黑白：black
灰度：gray
16色：color
*/

// Main Code [Execution of script begins here]

// Collectable files
var COLLECTABLE_EXTENSIONS = ["bmp", "gif", "giff", "jpeg", "jpg", "pct", "pic", "psd", "png", "tif", "tiff"];

var destFolder, sourceFolder;

// Select the source folder
sourceFolder = Folder.selectDialog('Select the SOURCE folder...', '~');
//sourceFolder = new Folder("C:/Users/<Username>/Desktop/1");

if (sourceFolder != null) {
// Select the destination folder
destFolder = Folder.selectDialog('Select the DESTINATION folder...', '~');
//destFolder = new Folder("C:/Users/<Username>/Desktop/2");
}

if (sourceFolder != null && destFolder != null) {
//getting the list of the files from the input folder
var fileList = sourceFolder.getFiles();
var errorList;
var tracingPresets = app.tracingPresetsList;

var TraceList = [
{ TracePreset: "ImgDraw_黑白", SaveName: "black" },
{ TracePreset: "ImgDraw_灰度", SaveName: "gray" },
{ TracePreset: "ImgDraw", SaveName: "color" }
];

// 新建一个文档
var doc = app.documents.add();

for (var i = 0; i < fileList.length; ++i) {
if (fileList[i] instanceof File) {
try {
var fileExt = String(fileList[i]).split(".").pop();
if (isTraceable(fileExt) != true)
continue;

var destFileName = fileList[i].name.substring(0, fileList[i].name.length - fileExt.length - 1) + "_";
var options = getExpertOption();
// 将图片导入
var p = doc.placedItems.add();
p.file = new File(fileList[i]);

//  新建一个与图片相同大小的临时文档用于保存
var tmpdoc = app.documents.add(DocumentColorSpace.RGB, p.width, p.height);
var p2 = tmpdoc.placedItems.add();
p2.file = new File(fileList[i]);
// 描摹
var t = p2.trace();
for (var j = 0; j < TraceList.length; j++) {
t.tracing.tracingOptions.loadFromPreset(TraceList[j].TracePreset);
app.redraw();
var outfile = new File(destFolder + "/" + destFileName + TraceList[j].SaveName);
tmpdoc.exportFile(outfile, ExportType.SVG, options);
}

p.remove();
// 关闭临时文档
tmpdoc.close(SaveOptions.DONOTSAVECHANGES);
}
catch (err) {
errorStr = ("Error while tracing " + fileList[i].name + ".\n" + (err.number & 0xFFFF) + ", " + err.description);
// alert(errorStr);
errorList += fileList[i].name + " ";
}
}
}
fileList = null;
alert("Batch process complete.");
}
else {
alert("Batch process aborted.");
}

sourceFolder = null;
destFolder = null;

function isTraceable(ext) {
var result = false;
for (var i = 0; i < COLLECTABLE_EXTENSIONS.length; ++i) {
if (ext == COLLECTABLE_EXTENSIONS[i]) {
result = true;
break;
}
}
return result;
}

/** Returns the options to be used for the generated files.
@return ExportOptionsSVG object
*/
function getExpertOption() {
// Create the required options object
var options = new ExportOptionsSVG();

// 精度2位
options.coordinatePrecision = 2;

// 使用UTF8编码
options.documentEncoding = SVGDocumentEncoding.UTF8;

//导出字体为SVG字体
options.fontType = SVGFontType.SVGFONT;

return options;
}