Save for the web by calling Export possible c# (exportDocument)?

I try to call the c# Export function and I'm having a hard time to provide a valid file object.

I picked up the old COM FileSystemObject and tried (because who has the habit of working in VB6 and VBScript).

In c# I had not yet run. Any ideas?

I have a piece of code using ExecuteAction to run a number of difficult to understand lines of code, execution of save for Web, for an image.

I am now rewriting to call the method to export the document instead, because it would be so much easier to follow).

It's my current test code

// Using the export function (instead of hard-to-understand-output-script)
        private void SaveJpegForWebUsingExport(dynamic docRef, string filePath, int percentage)
        {

            // Begin with deleting the destination image if it already existed on disk.
            if (System.IO.File.Exists(filePath))
            {
                System.IO.File.Delete(filePath);
            }

            dynamic options = Activator.CreateInstance(Type.GetTypeFromProgID("Photoshop.ExportOptionsSaveForWeb"));
            options.quality = percentage;
            options.format = 6; // JPEG = 6 (enl Object Model Viewe i Extenscript Toolkit)  .Type.GetTypeFromProgID("SaveDocumentType.JPEG");   // Save Format for the file
            
              // Create an empty file, to be able to referr to it using filesystemobject (is this really needed?)
            var myFileEmpty = System.IO.File.Open(filePath,System.IO.FileMode.CreateNew);
            myFileEmpty.Close();

            var fs = new IWshRuntimeLibrary.FileSystemObject();
            var myFile = fs.GetFile(filePath);
          
           // ExportType.SAVEFORWEB = 2 (according to Object Model Viewe in Extenscript Toolkit)
            docRef.Export(myFile, 2, options);
            //docRef.Export(myFile.ParentFolder, 2, options);

        }

This is the error I get, so of course the file (I tested with folder as well) object is not recognized as a valid type in Photoshop:

Test1.EPS processing error: System.Runtime.InteropServices.COMException (0 x 80040

4DA): non-compliant - argument argument 1

File/folder provided

at System.Dynamic.ComRuntimeHelpers.CheckThrowException (Int32 hresult, ExcepI

NFO & excepInfo, argErr UInt32, String message)

to CallSite.Target (closure, CallSite, ComObject, folder, Int32, Object)

Thank you

Andreas

This seems to work...

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using ps = Photoshop;
namespace ConsoleApplication1
{
    class Program
    {
        ps.Application app = new ps.ApplicationClass();
        static void Main(string[] args)
        {
            Program mp = new Program();
            string file = @"C:\Vids\frog.jpg";
            mp.SaveJpegForWebUsingExport(file, 80);
        }
        private void SaveJpegForWebUsingExport(string filePath, int percentage)
        {
            // Begin with deleting the destination image if it already existed on disk.
            if (System.IO.File.Exists(filePath))
            {
                System.IO.File.Delete(filePath);
            }
            dynamic options = Activator.CreateInstance(Type.GetTypeFromProgID("Photoshop.ExportOptionsSaveForWeb"));
            options.quality = percentage;
            options.format = 6; // JPEG = 6 (enl Object Model Viewe i Extenscript Toolkit)  .Type.GetTypeFromProgID("SaveDocumentType.JPEG");   // Save Format for the file
            // ExportType.SAVEFORWEB = 2 (according to Object Model Viewe in Extenscript Toolkit)
            app.ActiveDocument.Export(filePath, 2, options);
        }
    }
}

Tags: Photoshop

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