Photoshop图层x / y中心注册点坐标

时间:2017-09-19 19:53:41

标签: javascript adobe photoshop

目标:

设计一个我可以在photoshop中运行的脚本,它将为我提供PSD文件中每一层的x和y坐标,然后将其保存到我可以用来提取所述数据的文本文件中。

进度:

我已经找到了一个可以完成此任务的脚本,并自行添加了它。

问题:

我的问题是我不是一个非常先进的编码器,我试图得到图层中心对准点的x和y坐标,而不是左上角。我做了几个小时的研究(可能没有问谷歌正确的问题)来试图解决这个问题。我意识到我的理解水平与实际的软件开发人员并不相同,虽然我尊重这一点,但是没有开发人员可以在这里工作,而且我有点不知所措。我已经研究了一些小的javascript,所以我理解得足以对以下代码做一些小的补充。

守则:

// Bring application forward
app.bringToFront();

// Set active Document variable and decode name for output
var docRef = app.activeDocument;
var docName = decodeURI(activeDocument.name);

// Define pixels as unit of measurement
var defaultRulerUnits = preferences.rulerUnits;
preferences.rulerUnits = Units.PIXELS;

// Define variable for the number of layers in the active document
var layerNum = app.activeDocument.artLayers.length;


// Define variable for the active layer in the active document
var layerRef = app.activeDocument.activeLayer;


// Define varibles for x and y of layers
var x = layerRef.bounds[0].value;
var y = layerRef.bounds[1].value;
var coords = "";

// Loop to iterate through all layers

function recurseLayers(currLayers) {
  for ( var i = 0; i < currLayers.layers.length; i++ ) {
    layerRef = currLayers.layers[i];
    x = layerRef.bounds[0].value;
    y = layerRef.bounds[1].value;
    coords += layerRef.name + ": " + x + "x" + "," + y + "y" + "\n";

//test if it's a layer set

    if ( isLayerSet(currLayers.layers[i]) ) {
      recurseLayers(currLayers.layers[i]);
    }
  }
}

//a test for a layer set

function isLayerSet(layer) {
  try {
    if ( layer.layers.length > 0 ) {
      return true;
    }
  }

  catch(err) {
    return false;
  }
}

// Ask the user for the folder to export to

var FPath = Folder.selectDialog("Save exported coordinates to");

// Detect line feed type

if ( $.os.search(/windows/i) !== -1 ) {
  fileLineFeed = "Windows";
}
else {
  fileLineFeed = "Macintosh";
}

// Export to txt file

function writeFile(info) {
  try {
    var f = new File(FPath + "/" + docName + ".txt");
    f.remove();
    f.open('a');
    f.lineFeed = fileLineFeed;
    f.write(info);
    f.close();
  }
  catch(e){}
}

// Run the functions

recurseLayers(docRef);
preferences.rulerUnits = defaultRulerUnits;

// Set preferences back to user's defaults

writeFile(coords);

// Show results

if ( FPath == null ) {
  alert("Export aborted", "Canceled");
}
else {
  alert("Exported " + layerNum + " layer's coordinates to " + FPath + "/" + 
docName + ".txt " + "using " + fileLineFeed + " line feeds.", "Success!");
}

1 个答案:

答案 0 :(得分:1)

图层的bounds属性为您提供左上角。中间点是x +层宽度的一半,y +层高度的一半。您所需要的只是图层尺寸和一点点数学。

相关问题