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Useful Functions

These days I got chance working with phothoshop automation. Working with photoshop is really tough task for me because I am a simple .net guy. Thank god photoshop expert is here to help me.

I am also thankful to John Deurbrouck who has posted one article which helped me a lot. Using his idea I was able to write some of the functions, which is I am posting here.

using ps = Photoshop;

static ps.Application app1 = null;

Undo:

public static string undo()

{

try

{

if (app1.ActiveDocument.HistoryStates.Index(app1.ActiveDocument.ActiveHistoryState) - 1 > 1)

{

app1.ActiveDocument.ActiveHistoryState = app1.ActiveDocument.HistoryStates[app1.ActiveDocument.HistoryStates.Index(app1.ActiveDocument.ActiveHistoryState) - 1];

}

}

catch (Exception ex)

{

}

return "";

}

Open PSD:

public static string OpenTemplate(string psdFile)

{

ps.ApplicationClass app = new ps.ApplicationClass();

app.Open(psdFile, null,false);

return "";

}

Image Contrast:

public static string contrast(int contrastValue)//

{

try

{

if (app1 == null)

{

app1 = new ps.Application();

}

undo();

var id136 = app1.CharIDToTypeID("BrgC");

Photoshop.ActionDescriptor desc35 = new Photoshop.ActionDescriptor();

var id137 = app1.CharIDToTypeID("Cntr");

desc35.PutInteger(id137, Convert.ToInt32(contrastValue));

var id138 = app1.StringIDToTypeID("useLegacy");

desc35.PutBoolean(id138, false);

app1.ExecuteAction(id136, desc35, ps.PsDialogModes.psDisplayNoDialogs);

app1.ActiveDocument.Selection.Deselect();

desc35 = null;

}

catch (Exception ex)

{

}

return "";

}

Brightness:

public static string brightness(int brightnessValue)

{

try

{

if (app1 == null)

{

app1 = new ps.Application();

}

undo();

var id136 = app1.CharIDToTypeID("BrgC");

Photoshop.ActionDescriptor desc35 = new Photoshop.ActionDescriptor();

var id137 = app1.CharIDToTypeID("Brgh");

desc35.PutInteger(id137, brightnessValue);

var id138 = app1.StringIDToTypeID("useLegacy");

desc35.PutBoolean(id138, false);

app1.ExecuteAction(id136, desc35, ps.PsDialogModes.psDisplayNoDialogs);

desc35 = null;

//app1.Purge(Photoshop.PsPurgeTarget.psHistoryCaches);

}

catch (Exception ex)

{

}

return "";

}

Saturation:

public static string saturation(int saturationValue)

{

if (app1 == null)

{

app1 = new ps.Application();

}

undo();

var id3 = app1.CharIDToTypeID("HStr");

var desc2 = new Photoshop.ActionDescriptor();

var id4 = app1.CharIDToTypeID("Clrz");

desc2.PutBoolean(id4, false);

var id5 = app1.CharIDToTypeID("Adjs");

var list1 = new Photoshop.ActionList();

var desc3 = new Photoshop.ActionDescriptor();

var id6 = app1.CharIDToTypeID("H ");

desc3.PutInteger(id6, 0);

var id7 = app1.CharIDToTypeID("Strt");

desc3.PutInteger(id7, saturationValue);

var id8 = app1.CharIDToTypeID("Lght");

desc3.PutInteger(id8, 0);

var id9 = app1.CharIDToTypeID("Hst2");

list1.PutObject(id9, desc3);

desc2.PutList(id5, list1);

app1.ExecuteAction(id3, desc2, Photoshop.PsDialogModes.psDisplayNoDialogs);

desc2 = null;

list1 = null;

desc3 = null;

app1.ActiveDocument.Selection.Deselect();

return "";

}

Cyan:

public static string cyan(int cyanValue)

{

if (app1 == null)

{

app1 = new ps.Application();

}

undo();

var id13 = app1.CharIDToTypeID("SlcC");

var desc5 = new Photoshop.ActionDescriptor();

var id14 = app1.CharIDToTypeID("Mthd");

var id15 = app1.CharIDToTypeID("CrcM");

var id16 = app1.CharIDToTypeID("Rltv");

desc5.PutEnumerated(id14, id15, id16);

var id17 = app1.CharIDToTypeID("ClrC");

var list2 = new Photoshop.ActionList();

var desc6 = new Photoshop.ActionDescriptor();

var id18 = app1.CharIDToTypeID("Clrs");

var id19 = app1.CharIDToTypeID("Clrs");

var id20 = app1.CharIDToTypeID("Rds ");

desc6.PutEnumerated(id18, id19, id20);

var id21 = app1.CharIDToTypeID("Cyn ");

var id22 = app1.CharIDToTypeID("#Prc");

desc6.PutUnitDouble(id21, id22, cyanValue);

var id23 = app1.CharIDToTypeID("ClrC");

list2.PutObject(id23, desc6);

desc5.PutList(id17, list2);

app1.ExecuteAction(id13, desc5, Photoshop.PsDialogModes.psDisplayNoDialogs);

desc5 = null;

list2 = null;

desc6 = null;

app1.ActiveDocument.Selection.Deselect();

return "";

}

Magenta:

public static string magenta(int magentaValue)

{

if (app1 == null)

{

app1 = new ps.Application();

}

undo();

var id13 = app1.CharIDToTypeID("SlcC");

var desc5 = new Photoshop.ActionDescriptor();

var id14 = app1.CharIDToTypeID("Mthd");

var id15 = app1.CharIDToTypeID("CrcM");

var id16 = app1.CharIDToTypeID("Rltv");

desc5.PutEnumerated(id14, id15, id16);

var id17 = app1.CharIDToTypeID("ClrC");

var list2 = new Photoshop.ActionList();

var desc6 = new Photoshop.ActionDescriptor();

var id18 = app1.CharIDToTypeID("Clrs");

var id19 = app1.CharIDToTypeID("Clrs");

var id20 = app1.CharIDToTypeID("Grns");

desc6.PutEnumerated(id18, id19, id20);

var id21 = app1.CharIDToTypeID("Mgnt");

var id22 = app1.CharIDToTypeID("#Prc");

desc6.PutUnitDouble(id21, id22, magentaValue);

var id23 = app1.CharIDToTypeID("ClrC");

list2.PutObject(id23, desc6);

desc5.PutList(id17, list2);

app1.ExecuteAction(id13, desc5, Photoshop.PsDialogModes.psDisplayNoDialogs);

desc5 = null;

list2 = null;

desc6 = null;

app1.ActiveDocument.Selection.Deselect();

return "";

}

Yellow:

public static string yellow(int yellowValue)

{

if (app1 == null)

{

app1 = new ps.Application();

}

undo();

var id13 = app1.CharIDToTypeID("SlcC");

var desc5 = new Photoshop.ActionDescriptor();

var id14 = app1.CharIDToTypeID("Mthd");

var id15 = app1.CharIDToTypeID("CrcM");

var id16 = app1.CharIDToTypeID("Rltv");

desc5.PutEnumerated(id14, id15, id16);

var id17 = app1.CharIDToTypeID("ClrC");

var list2 = new Photoshop.ActionList();

var desc6 = new Photoshop.ActionDescriptor();

var id18 = app1.CharIDToTypeID("Clrs");

var id19 = app1.CharIDToTypeID("Clrs");

var id20 = app1.CharIDToTypeID("Bls ");

desc6.PutEnumerated(id18, id19, id20);

var id21 = app1.CharIDToTypeID("Ylw ");

var id22 = app1.CharIDToTypeID("#Prc");

desc6.PutUnitDouble(id21, id22, yellowValue);

var id23 = app1.CharIDToTypeID("ClrC");

list2.PutObject(id23, desc6);

desc5.PutList(id17, list2);

app1.ExecuteAction(id13, desc5, Photoshop.PsDialogModes.psDisplayNoDialogs);

desc5 = null;

list2 = null;

desc6 = null;

app1.ActiveDocument.Selection.Deselect();

return "";

}

Gamma:

public static string gamma(double gammaValue)

{

if (app1 == null)

{

app1 = new ps.Application();

}

undo();

var id245 = app1.CharIDToTypeID("Exps");

var desc52 = new Photoshop.ActionDescriptor();

var id246 = app1.CharIDToTypeID("Exps");

desc52.PutDouble(id246, 0.000000);

var id247 = app1.CharIDToTypeID("Ofst");

desc52.PutDouble(id247, 0.000000);

var id248 = app1.StringIDToTypeID("gammaCorrection");

desc52.PutDouble(id248, gammaValue);

app1.ExecuteAction(id245, desc52, Photoshop.PsDialogModes.psDisplayNoDialogs);

app1.ActiveDocument.Selection.Deselect();

return "";

}

Purge History:

public static string purgeHistory()

{

string file = "";

string str = "#target photoshop; " + Environment.NewLine +

" app.bringToFront(); " + Environment.NewLine +

" // ======================================================= " + Environment.NewLine +

" var id796 = charIDToTypeID( \"Prge\" ); " + Environment.NewLine +

" var desc145 = new ActionDescriptor(); " + Environment.NewLine +

" var id797 = charIDToTypeID( \"null\" ); " + Environment.NewLine +

" var id798 = charIDToTypeID( \"PrgI\" ); " + Environment.NewLine +

" var id799 = charIDToTypeID( \"Hsty\" ); " + Environment.NewLine +

" desc145.putEnumerated( id797, id798, id799 ); " + Environment.NewLine +

" executeAction( id796, desc145, DialogModes.NO ); " + Environment.NewLine;

file = createFile(str);

System.Diagnostics.Process p;

p=System.Diagnostics.Process.Start(file);

return file;

}

public static string createFile(string toWrite)

{

using (StreamWriter outfile = new StreamWriter(System.Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments) + "\\Adobe Scripts\\tmp.jsx"))

{

toWrite += Environment.NewLine + " var f = new File(decodeURI($.fileName)); " + Environment.NewLine +

" f.remove();";

outfile.Write(toWrite.ToString());

if (app1 == null)

{

app1 = new Photoshop.Application();

}

app1.Purge(Photoshop.PsPurgeTarget.psHistoryCaches);

}

//File should be saved in My Documents\Adobe Scripts\

//If we save .jsx file in above folder it wont display confirmation dialog before execution.

//Photoshop provides special rights to this folder

return System.Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments) + "\\Adobe Scripts\\tmp.jsx";

}