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晕影白色相关功能，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：

1deb14ee2b3a41189d75368bc0cc5980.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：

if (app) {
    try {
        MainCatch3();
    } catch (e) {

    }
}

function MainCatch3() {
    var getName = app.activeDocument.activeLayer.name;
    var idslct = charIDToTypeID("slct");
    var desc410 = new ActionDescriptor();
    var idnull = charIDToTypeID("null");
    var ref300 = new ActionReference();
    var idLyr = charIDToTypeID("Lyr ");
    ref300.putName(idLyr, "White_Vignetting");
    desc410.putReference(idnull, ref300);
    var idMkVs = charIDToTypeID("MkVs");
    desc410.putBoolean(idMkVs, false);
    var idLyrI = charIDToTypeID("LyrI");
    var list239 = new ActionList();
    list239.putInteger(94);
    desc410.putList(idLyrI, list239);
    executeAction(idslct, desc410, DialogModes.NO);
    var idsetd = charIDToTypeID("setd");
    var desc422 = new ActionDescriptor();
    var idnull = charIDToTypeID("null");
    var ref309 = new ActionReference();
    var idLyr = charIDToTypeID("Lyr ");
    var idOrdn = charIDToTypeID("Ordn");
    var idTrgt = charIDToTypeID("Trgt");
    ref309.putEnumerated(idLyr, idOrdn, idTrgt);
    desc422.putReference(idnull, ref309);
    var idT = charIDToTypeID("T   ");
    var desc423 = new ActionDescriptor();
    var idNm = charIDToTypeID("Nm  ");
    desc423.putString(idNm, "White_Vignetting - old");
    var idLyr = charIDToTypeID("Lyr ");
    desc422.putObject(idT, idLyr, desc423);
    executeAction(idsetd, desc422, DialogModes.NO);
    var idsetd = charIDToTypeID("setd");
    var desc86 = new ActionDescriptor();
    var idnull = charIDToTypeID("null");
    var ref54 = new ActionReference();
    var idLyr = charIDToTypeID("Lyr ");
    var idOrdn = charIDToTypeID("Ordn");
    var idTrgt = charIDToTypeID("Trgt");
    ref54.putEnumerated(idLyr, idOrdn, idTrgt);
    desc86.putReference(idnull, ref54);
    var idT = charIDToTypeID("T   ");
    var desc87 = new ActionDescriptor();
    var idClr = charIDToTypeID("Clr ");
    var idClr = charIDToTypeID("Clr ");
    var idNone = charIDToTypeID("None");
    desc87.putEnumerated(idClr, idClr, idNone);
    var idLyr = charIDToTypeID("Lyr ");
    desc86.putObject(idT, idLyr, desc87);
    executeAction(idsetd, desc86, DialogModes.NO);
    var idslct = charIDToTypeID("slct");
    var desc410 = new ActionDescriptor();
    var idnull = charIDToTypeID("null");
    var ref300 = new ActionReference();
    var idLyr = charIDToTypeID("Lyr ");
    ref300.putName(idLyr, getName);
    desc410.putReference(idnull, ref300);
    var idMkVs = charIDToTypeID("MkVs");
    desc410.putBoolean(idMkVs, false);
    var idLyrI = charIDToTypeID("LyrI");
    var list239 = new ActionList();
    list239.putInteger(94);
    desc410.putList(idLyrI, list239);
    executeAction(idslct, desc410, DialogModes.NO);
}

function White() {
    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.AdjustmentLayer);
        desc1.putReference(PSString.Null, ref1);
        var desc2 = new ActionDescriptor();
        var desc3 = new ActionDescriptor();
        desc3.putEnumerated(PSString.presetKind, PSString.presetKindType, PSString.presetKindDefault);
        desc2.putObject(PSKey.Type, PSClass.Curves, desc3);
        desc1.putObject(PSKey.Using, PSClass.AdjustmentLayer, desc2);
        executeAction(PSEvent.Make, desc1, dialogMode);
    }

    function step2(enabled, withDialog) {
        if (enabled != undefined && !enabled) {
            return;
        }
        var dialogMode = withDialog ? DialogModes.ALL : DialogModes.NO;
        executeAction(PSEvent.Invert, undefined, dialogMode);
    }

    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.AdjustmentLayer, PSType.Ordinal, PSEnum.Target);
        desc1.putReference(PSString.Null, ref1);
        var desc2 = new ActionDescriptor();
        var list1 = new ActionList();
        var desc3 = new ActionDescriptor();
        var ref2 = new ActionReference();
        ref2.putEnumerated(PSClass.Channel, PSClass.Channel, PSEnum.Composite);
        desc3.putReference(PSClass.Channel, ref2);
        var list2 = new ActionList();
        var desc4 = new ActionDescriptor();
        desc4.putDouble(PSKey.Horizontal, 0);
        desc4.putDouble(PSKey.Vertical, 0);
        list2.putObject(PSClass.Point, desc4);
        var desc5 = new ActionDescriptor();
        desc5.putDouble(PSKey.Horizontal, 155);
        desc5.putDouble(PSKey.Vertical, 106);
        list2.putObject(PSClass.Point, desc5);
        var desc6 = new ActionDescriptor();
        desc6.putDouble(PSKey.Horizontal, 255);
        desc6.putDouble(PSKey.Vertical, 255);
        list2.putObject(PSClass.Point, desc6);
        desc3.putList(PSKey.Curve, list2);
        list1.putObject(PSClass.CurvesAdjustment, desc3);
        desc2.putList(PSKey.Adjustment, list1);
        desc1.putObject(PSKey.To, PSClass.Curves, desc2);
        executeAction(PSEvent.Set, desc1, dialogMode);
    }

    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(PSClass.AdjustmentLayer, PSType.Ordinal, PSEnum.Target);
        desc1.putReference(PSString.Null, ref1);
        var desc2 = new ActionDescriptor();
        var list1 = new ActionList();
        var desc3 = new ActionDescriptor();
        var ref2 = new ActionReference();
        ref2.putEnumerated(PSClass.Channel, PSClass.Channel, PSEnum.Composite);
        desc3.putReference(PSClass.Channel, ref2);
        var list2 = new ActionList();
        var desc4 = new ActionDescriptor();
        desc4.putDouble(PSKey.Horizontal, 0);
        desc4.putDouble(PSKey.Vertical, 0);
        list2.putObject(PSClass.Point, desc4);
        var desc5 = new ActionDescriptor();
        desc5.putDouble(PSKey.Horizontal, 118);
        desc5.putDouble(PSKey.Vertical, 149);
        list2.putObject(PSClass.Point, desc5);
        var desc6 = new ActionDescriptor();
        desc6.putDouble(PSKey.Horizontal, 255);
        desc6.putDouble(PSKey.Vertical, 255);
        list2.putObject(PSClass.Point, desc6);
        desc3.putList(PSKey.Curve, list2);
        list1.putObject(PSClass.CurvesAdjustment, desc3);
        desc2.putList(PSKey.Adjustment, list1);
        desc1.putObject(PSKey.To, PSClass.Curves, desc2);
        executeAction(PSEvent.Set, desc1, dialogMode);
    }

    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.putString(PSKey.Name, "Black_Vignetting");
        desc1.putObject(PSKey.To, PSClass.Layer, desc2);
        executeAction(PSEvent.Set, desc1, dialogMode);
    }

    function step6(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.Channel, PSClass.Channel, PSClass.Mask);
        desc1.putReference(PSString.Null, ref1);
        desc1.putBoolean(PSKey.MakeVisible, false);
        executeAction(PSEvent.Select, desc1, dialogMode);
    }

    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.putUnitDouble(sTID("userMaskFeather"), PSUnit.Pixels, 135);
        desc1.putObject(PSKey.To, PSClass.Layer, desc2);
        executeAction(PSEvent.Set, desc1, dialogMode);
    }

    function step8(enabled, withDialog) {

    }

    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.putEnumerated(PSClass.Layer, PSType.Ordinal, PSEnum.Target);
        desc1.putReference(PSString.Null, ref1);
        var desc2 = new ActionDescriptor();
        desc2.putUnitDouble(PSKey.Opacity, PSUnit.Percent, 60);
        desc1.putObject(PSKey.To, PSClass.Layer, desc2);
        executeAction(PSEvent.Set, desc1, dialogMode);
    }

    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, "White_Vignetting");
        desc1.putObject(PSKey.To, PSClass.Layer, desc2);
        executeAction(PSEvent.Set, desc1, dialogMode);
    }

    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.putEnumerated(PSKey.Color, PSKey.Color, PSEnum.Blue);
        desc1.putObject(PSKey.To, PSClass.Layer, desc2);
        executeAction(PSEvent.Set, desc1, dialogMode);
    }

    function step12(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.Luminosity);
        desc1.putObject(PSKey.To, PSClass.Layer, desc2);
        executeAction(PSEvent.Set, desc1, dialogMode);
    }
    step1();
    step2();
    step3();
    step4();
    step5();
    step6();
    step7();
    step8();
    step9();
    step10();
    step11();
    step12();
}
cTID = function(s) {
    return app.charIDToTypeID(s);
};
sTID = function(s) {
    return app.stringIDToTypeID(s);
};
White.loadSymbols = function() {
    var dbgLevel = $.level;
    $.level = 0;
    try {
        PSConstants;
        return;
    } 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() {

        };
    }
    PSClass.AdjustmentLayer = cTID("AdjL");
    PSClass.Channel = cTID("Chnl");
    PSClass.Curves = cTID("Crvs");
    PSClass.CurvesAdjustment = cTID("CrvA");
    PSClass.Layer = cTID("Lyr ");
    PSClass.Mask = cTID("Msk ");
    PSClass.Point = cTID("Pnt ");
    PSEnum.Blue = cTID("Bl  ");
    PSEnum.Composite = cTID("Cmps");
    PSEnum.Luminosity = cTID("Lmns");
    PSEnum.Target = cTID("Trgt");
    PSEvent.Invert = cTID("Invr");
    PSEvent.Make = cTID("Mk  ");
    PSEvent.Select = cTID("slct");
    PSEvent.Set = cTID("setd");
    PSKey.Adjustment = cTID("Adjs");
    PSKey.Color = cTID("Clr ");
    PSKey.Curve = cTID("Crv ");
    PSKey.Horizontal = cTID("Hrzn");
    PSKey.MakeVisible = cTID("MkVs");
    PSKey.Mode = cTID("Md  ");
    PSKey.Name = cTID("Nm  ");
    PSKey.Opacity = cTID("Opct");
    PSKey.To = cTID("T   ");
    PSKey.Type = cTID("Type");
    PSKey.Using = cTID("Usng");
    PSKey.Vertical = cTID("Vrtc");
    PSString.Null = sTID("null");
    PSString.addToSelectionContinuous = sTID("addToSelectionContinuous");
    PSString.presetKind = sTID("presetKind");
    PSString.presetKindDefault = sTID("presetKindDefault");
    PSString.presetKindType = sTID("presetKindType");
    PSString.selectionModifier = sTID("selectionModifier");
    PSString.selectionModifierType = sTID("selectionModifierType");
    PSType.BlendMode = cTID("BlnM");
    PSType.Ordinal = cTID("Ordn");
    PSUnit.Percent = cTID("#Prc");
    PSUnit.Pixels = cTID("#Pxl");
};
White.loadSymbols();
White.main = function() {
    White();
};
White.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

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