PS是一款栅格图像编辑软件，具有许多强大的功能，本文演示如何通过脚本实现秋色效果相关功能，展示从互联网收集而来的一个小插件，供大家学习交流，请勿用于商业用途。

1.插件界面

  本文界面是一系列功能的一部分，将逐步展示，但是功能界面是共同的，如下图所示：

d20412ec35fd4e098033671909a2809c.png

2.关键代码-秋色效果

  大家可通过源代码阅读，来掌握相关技巧，源代码如下：

cTID = function(s) { return app.charIDToTypeID(s); };
sTID = function(s) { return app.stringIDToTypeID(s); };

//
//==================== Start Autumn Colours ==============
//
function StartAutumnColours() {
  // Set
  function step1(enabled, withDialog) {
    if (enabled != undefined && !enabled)
      return;
    var dialogMode = (withDialog ? DialogModes.ALL : DialogModes.NO);
    var desc1 = new ActionDescriptor();
    var ref1 = new ActionReference();
    ref1.putProperty(cTID('Lyr '), cTID('Bckg'));
    desc1.putReference(cTID('null'), ref1);
    var desc2 = new ActionDescriptor();
    desc2.putString(cTID('Nm  '), "Base Layer");
    desc2.putUnitDouble(cTID('Opct'), cTID('#Prc'), 100);
    desc2.putEnumerated(cTID('Md  '), cTID('BlnM'), cTID('Nrml'));
    desc1.putObject(cTID('T   '), cTID('Lyr '), desc2);
    executeAction(cTID('setd'), desc1, dialogMode);
  };

  // Duplicate
  function step2(enabled, withDialog) {
    if (enabled != undefined && !enabled)
      return;
    var dialogMode = (withDialog ? DialogModes.ALL : DialogModes.NO);
    var desc1 = new ActionDescriptor();
    var ref1 = new ActionReference();
    ref1.putEnumerated(cTID('Lyr '), cTID('Ordn'), cTID('Trgt'));
    desc1.putReference(cTID('null'), ref1);
    desc1.putString(cTID('Nm  '), "Base Layer copy");
    desc1.putInteger(cTID('Vrsn'), 5);
    executeAction(cTID('Dplc'), desc1, dialogMode);
  };

  // Make
  function step3(enabled, withDialog) {
    if (enabled != undefined && !enabled)
      return;
    var dialogMode = (withDialog ? DialogModes.ALL : DialogModes.NO);
    var desc1 = new ActionDescriptor();
    var ref1 = new ActionReference();
    ref1.putClass(cTID('AdjL'));
    desc1.putReference(cTID('null'), ref1);
    var desc2 = new ActionDescriptor();
    var desc3 = new ActionDescriptor();
    desc3.putEnumerated(sTID("presetKind"), sTID("presetKindType"), sTID("presetKindDefault"));
    desc3.putBoolean(cTID('Clrz'), false);
    desc2.putObject(cTID('Type'), cTID('HStr'), desc3);
    desc1.putObject(cTID('Usng'), cTID('AdjL'), desc2);
    executeAction(cTID('Mk  '), desc1, dialogMode);
  };

  // Set
  function step4(enabled, withDialog) {
    if (enabled != undefined && !enabled)
      return;
    var dialogMode = (withDialog ? DialogModes.ALL : DialogModes.NO);
    var desc1 = new ActionDescriptor();
    var ref1 = new ActionReference();
    ref1.putEnumerated(cTID('AdjL'), cTID('Ordn'), cTID('Trgt'));
    desc1.putReference(cTID('null'), ref1);
    var desc2 = new ActionDescriptor();
    desc2.putEnumerated(sTID("presetKind"), sTID("presetKindType"), sTID("presetKindCustom"));
    var list1 = new ActionList();
    var desc3 = new ActionDescriptor();
    desc3.putInteger(cTID('LclR'), 3);
    desc3.putInteger(cTID('BgnR'), 24);
    desc3.putInteger(cTID('BgnS'), 105);
    desc3.putInteger(cTID('EndS'), 135);
    desc3.putInteger(cTID('EndR'), 195);
    desc3.putInteger(cTID('H   '), -95);
    desc3.putInteger(cTID('Strt'), 0);
    desc3.putInteger(cTID('Lght'), 0);
    list1.putObject(cTID('Hst2'), desc3);
    desc2.putList(cTID('Adjs'), list1);
    desc1.putObject(cTID('T   '), cTID('HStr'), desc2);
    executeAction(cTID('setd'), desc1, dialogMode);
  };

  // Merge Layers
  function step5(enabled, withDialog) {
    if (enabled != undefined && !enabled)
      return;
    var dialogMode = (withDialog ? DialogModes.ALL : DialogModes.NO);
    var desc1 = new ActionDescriptor();
    executeAction(sTID('mergeLayersNew'), desc1, dialogMode);
  };

  try{step1();} catch(e){errors += e};      // Set
  try{step2();} catch(e){errors += e};      // Duplicate
  try{step3();} catch(e){errors += e};      // Make
  try{step4();} catch(e){errors += e};      // Set
  try{step5();} catch(e){errors += e};      // Merge Layers
};


StartAutumnColours.main = function () {
  StartAutumnColours();
};

StartAutumnColours.main();

// EOF

"StartAutumnColours.jsx"
// EOF

3.作者答疑

  代码长度过长，如需全部项目或有疑问，请留言。

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