PS是一款栅格图像编辑软件，模块众多。提供了脚本，动态连接库等多种扩展机制，本文演示如何通过脚本实现局部选区锐化相关功能，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：
7ea90b0f709b42df9743900e8da192e9.png
2.关键代码
大家可通过源代码阅读，来掌握相关技巧，源代码如下：
//
//==================== Loca HP Sharp copy ==============
//
function LocaHPSharpcopy() {
// Make
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.putClass(PSClass.Layer);
desc1.putReference(PSString.Null, ref1);
executeAction(PSEvent.Make, desc1, dialogMode);
};
// Merge Visible
function step2(enabled, withDialog) {
if (enabled != undefined && !enabled)
return;
var dialogMode = (withDialog ? DialogModes.ALL : DialogModes.NO);
var desc1 = new ActionDescriptor();
desc1.putBoolean(PSEvent.Duplicate, true);
executeAction(sTID('mergeVisible'), desc1, dialogMode);
};
// Set
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.putEnumerated(PSClass.Layer, PSType.Ordinal, PSEnum.Target);
desc1.putReference(PSString.Null, ref1);
var desc2 = new ActionDescriptor();
desc2.putString(PSKey.Name, "Base_Sharp");
desc1.putObject(PSKey.To, PSClass.Layer, desc2);
executeAction(PSEvent.Set, desc1, dialogMode);
};
// Layer Via Copy
function step4(enabled, withDialog) {
if (enabled != undefined && !enabled)
return;
var dialogMode = (withDialog ? DialogModes.ALL : DialogModes.NO);
executeAction(sTID('copyToLayer'), undefined, dialogMode);
};
// Set
function step5(enabled, withDialog) {
if (enabled != undefined && !enabled)
return;
var dialogMode = (withDialog ? DialogModes.ALL : DialogModes.NO);
var desc1 = new ActionDescriptor();
var ref1 = new ActionReference();
ref1.putEnumerated(PSClass.Layer, PSType.Ordinal, PSEnum.Target);
desc1.putReference(PSString.Null, ref1);
var desc2 = new ActionDescriptor();
desc2.putEnumerated(PSKey.Mode, PSType.BlendMode, PSEnum.Overlay);
desc1.putObject(PSKey.To, PSClass.Layer, desc2);
executeAction(PSEvent.Set, desc1, dialogMode);
};
// High Pass
function step6(enabled, withDialog) {
if (enabled != undefined && !enabled)
return;
var dialogMode = (withDialog ? DialogModes.ALL : DialogModes.NO);
var desc1 = new ActionDescriptor();
desc1.putUnitDouble(PSKey.Radius, PSUnit.Pixels, 4);
executeAction(sTID('highPass'), desc1, dialogMode);
};
// Set
function step7(enabled, withDialog) {
if (enabled != undefined && !enabled)
return;
var dialogMode = (withDialog ? DialogModes.ALL : DialogModes.NO);
var desc1 = new ActionDescriptor();
var ref1 = new ActionReference();
ref1.putEnumerated(PSClass.Layer, PSType.Ordinal, PSEnum.Target);
desc1.putReference(PSString.Null, ref1);
var desc2 = new ActionDescriptor();
desc2.putString(PSKey.Name, "Sharp_Image");
desc1.putObject(PSKey.To, PSClass.Layer, desc2);
executeAction(PSEvent.Set, desc1, dialogMode);
};
// Select
function step8(enabled, withDialog) {
if (enabled != undefined && !enabled)
return;
var dialogMode = (withDialog ? DialogModes.ALL : DialogModes.NO);
var desc1 = new ActionDescriptor();
var ref1 = new ActionReference();
ref1.putName(PSClass.Layer, "Base_Sharp");
desc1.putReference(PSString.Null, ref1);
desc1.putEnumerated(PSString.selectionModifier, PSString.selectionModifierType, PSString.addToSelectionContinuous);
desc1.putBoolean(PSKey.MakeVisible, false);
executeAction(PSEvent.Select, desc1, dialogMode);
};
// Make
function step9(enabled, withDialog) {
if (enabled != undefined && !enabled)
return;
var dialogMode = (withDialog ? DialogModes.ALL : DialogModes.NO);
var desc1 = new ActionDescriptor();
var ref1 = new ActionReference();
ref1.putClass(PSString.layerGroup);
desc1.putReference(PSString.Null, ref1);
var ref2 = new ActionReference();
ref2.putEnumerated(PSClass.Layer, PSType.Ordinal, PSEnum.Target);
desc1.putReference(PSKey.From, ref2);
executeAction(PSEvent.Make, desc1, dialogMode);
};
// Set
function step10(enabled, withDialog) {
if (enabled != undefined && !enabled)
return;
var dialogMode = (withDialog ? DialogModes.ALL : DialogModes.NO);
var desc1 = new ActionDescriptor();
var ref1 = new ActionReference();
ref1.putEnumerated(PSClass.Layer, PSType.Ordinal, PSEnum.Target);
desc1.putReference(PSString.Null, ref1);
var desc2 = new ActionDescriptor();
desc2.putString(PSKey.Name, "Sharp_Image");
desc1.putObject(PSKey.To, PSClass.Layer, desc2);
executeAction(PSEvent.Set, desc1, dialogMode);
};
// Set
function step11(enabled, withDialog) {
if (enabled != undefined && !enabled)
return;
var dialogMode = (withDialog ? DialogModes.ALL : DialogModes.NO);
var desc1 = new ActionDescriptor();
var ref1 = new ActionReference();
ref1.putEnumerated(PSClass.Layer, PSType.Ordinal, PSEnum.Target);
desc1.putReference(PSString.Null, ref1);
var desc2 = new ActionDescriptor();
desc2.putString(PSKey.Name, "Local_Sharp");
desc1.putObject(PSKey.To, PSClass.Layer, desc2);
executeAction(PSEvent.Set, desc1, dialogMode);
};
// Make
function step12(enabled, withDialog) {
if (enabled != undefined && !enabled)
return;
var dialogMode = (withDialog ? DialogModes.ALL : DialogModes.NO);
var desc1 = new ActionDescriptor();
desc1.putClass(PSKey.New, PSClass.Channel);
var ref1 = new ActionReference();
ref1.putEnumerated(PSClass.Channel, PSClass.Channel, PSClass.Mask);
desc1.putReference(PSKey.At, ref1);
desc1.putEnumerated(PSKey.Using, PSType.UserMaskOptions, PSEnum.HideAll);
executeAction(PSEvent.Make, desc1, dialogMode);
};
// Select
function step13(enabled, withDialog) {
if (enabled != undefined && !enabled)
return;
var dialogMode = (withDialog ? DialogModes.ALL : DialogModes.NO);
var desc1 = new ActionDescriptor();
var ref1 = new ActionReference();
ref1.putClass(PSClass.PaintbrushTool);
desc1.putReference(PSString.Null, ref1);
executeAction(PSEvent.Select, desc1, dialogMode);
};
// Set
function step14(enabled, withDialog) {
if (enabled != undefined && !enabled)
return;
var dialogMode = (withDialog ? DialogModes.ALL : DialogModes.NO);
var desc1 = new ActionDescriptor();
var ref1 = new ActionReference();
ref1.putEnumerated(PSClass.Layer, PSType.Ordinal, PSEnum.Target);
desc1.putReference(PSString.Null, ref1);
var desc2 = new ActionDescriptor();
desc2.putEnumerated(PSKey.Color, PSKey.Color, PSEnum.Blue);
desc1.putObject(PSKey.To, PSClass.Layer, desc2);
executeAction(PSEvent.Set, desc1, dialogMode);
};
step1(); // Make
step2(); // Merge Visible
step3(); // Set
step4(); // Layer Via Copy
step5(); // Set
step6(true, true); // High Pass
step7(); // Set
step8(); // Select
step9(); // Make
step10(); // Set
step11(); // Set
step12(); // Make
step13(); // Select
step14(); // Set
};
cTID = function (s) {
return app.charIDToTypeID(s);
};
sTID = function (s) {
return app.stringIDToTypeID(s);
};
//
// LocaHPSharpcopy.loadSymbols
// Loading up the symbol definitions like this makes it possible
// to include several of these generated files in one master file
// provided a prefix is specified other than the default. It also
// skips the definitions if PSConstants has already been loaded.
//
LocaHPSharpcopy.loadSymbols = function () {
var dbgLevel = $.level;
$.level = 0;
try {
PSConstants;
return; // only if PSConstants is defined
} catch (e) {
} finally {
$.level = dbgLevel;
}
var needDefs = true;
$.level = 0;
try {
PSClass;
needDefs = false;
} catch (e) {
} finally {
$.level = dbgLevel;
}
if (needDefs) {
PSClass = function () {
};
PSEnum = function () {
};
PSEvent = function () {
};
PSForm = function () {
};
PSKey = function () {
};
PSType = function () {
};
PSUnit = function () {
};
PSString = function () {
};
}
// We may still end up duplicating some of the following definitions
// but at least we don't redefine PSClass, etc... and wipe out others
PSClass.AdjustmentLayer = cTID('AdjL');
PSClass.Channel = cTID('Chnl');
PSClass.HueSatAdjustmentV2 = cTID('Hst2');
PSClass.HueSaturation = cTID('HStr');
PSClass.Layer = cTID('Lyr ');
PSClass.Mask = cTID('Msk ');
PSClass.PaintbrushTool = cTID('PbTl');
PSClass.Version = cTID('Vrsn');
PSEnum.All = cTID('Al ');
PSEnum.Bicubic = cTID('Bcbc');
PSEnum.Blue = cTID('Bl ');
PSEnum.Composite = cTID('Cmps');
PSEnum.ForegroundColor = cTID('FrgC');
PSEnum.GaussianDistribution = cTID('Gsn ');
PSEnum.HideAll = cTID('HdAl');
PSEnum.Multiply = cTID('Mltp');
PSEnum.None = cTID('None');
PSEnum.Normal = cTID('Nrml');
PSEnum.Overlay = cTID('Ovrl');
PSEnum.QCSAverage = cTID('Qcsa');
PSEnum.RGB = cTID('RGB ');
PSEnum.Target = cTID('Trgt');
PSEvent.Delete = cTID('Dlt ');
PSEvent.Duplicate = cTID('Dplc');
PSEvent.Exchange = cTID('Exch');
PSEvent.Fill = cTID('Fl ');
PSEvent.Hide = cTID('Hd ');
PSEvent.Make = cTID('Mk ');
PSEvent.Reset = cTID('Rset');
PSEvent.Select = cTID('slct');
PSEvent.Set = cTID('setd');
PSEvent.Transform = cTID('Trnf');
PSKey.Adjustment = cTID('Adjs');
PSKey.At = cTID('At ');
PSKey.Color = cTID('Clr ');
PSKey.Colorize = cTID('Clrz');
PSKey.Colors = cTID('Clrs');
PSKey.Distribution = cTID('Dstr');
PSKey.FilterLayerRandomSeed = cTID('FlRs');
PSKey.FreeTransformCenterState = cTID('FTcs');
PSKey.From = cTID('From');
PSKey.Height = cTID('Hght');
PSKey.Horizontal = cTID('Hrzn');
PSKey.Hue = cTID('H ');
PSKey.Interpolation = cTID('Intr');
PSKey.Lightness = cTID('Lght');
PSKey.MakeVisible = cTID('MkVs');
PSKey.Mode = cTID('Md ');
PSKey.Monochromatic = cTID('Mnch');
PSKey.Name = cTID('Nm ');
PSKey.New = cTID('Nw ');
PSKey.Noise = cTID('Nose');
PSKey.Offset = cTID('Ofst');
PSKey.Opacity = cTID('Opct');
PSKey.Radius = cTID('Rds ');
PSKey.Start = cTID('Strt');
PSKey.To = cTID('T ');
PSKey.Type = cTID('Type');
PSKey.Using = cTID('Usng');
PSKey.Vertical = cTID('Vrtc');
PSKey.Width = cTID('Wdth');
PSString.Null = sTID('null');
PSString.addToSelectionContinuous = sTID('addToSelectionContinuous');
PSString.layerGroup = sTID('layerSection');
PSString.presetKind = sTID('presetKind');
PSString.presetKindDefault = sTID('presetKindDefault');
PSString.presetKindType = sTID('presetKindType');
PSString.selection = sTID('selection');
PSString.selectionModifier = sTID('selectionModifier');
PSString.selectionModifierType = sTID('selectionModifierType');
PSType.BlendMode = cTID('BlnM');
PSType.FillContents = cTID('FlCn');
PSType.Interpolation = cTID('Intp');
PSType.Ordinal = cTID('Ordn');
PSType.QuadCenterState = cTID('QCSt');
PSType.UserMaskOptions = cTID('UsrM');
PSUnit.Distance = cTID('#Rlt');
PSUnit.Percent = cTID('#Prc');
PSUnit.Pixels = cTID('#Pxl');
};
LocaHPSharpcopy.loadSymbols(); // load up our symbols
//=========================================
// LocaHPSharpcopy.main
//=========================================
//
LocaHPSharpcopy.main = function () {
LocaHPSharpcopy();
};
LocaHPSharpcopy.main();
3.代码转执行
使用记事本或者notepad++等文本编辑器，将代码拷贝至文本文件，然后修改后缀名为js或者jsx，最后再PS软件菜单文件》脚本》浏览，点执行即可，也可以将脚本放在预设文件夹内，会显示再脚本下的二级子菜单。如下图所示：
PS脚本执行.png
4.作者答疑
文章引用至 作者知了-联系方式1
文章引用至 作者知了-联系方式2
