How to update content on a smartObjectLayer when process PSD with multi layers

[dvcuong05]

Hi @ALL,

I have a requirement to generate a batch of .png files from a single .PSD template file by replacing the new image and background.

1./ Now based on what I researching about MagickImage I can load .PSD file into MagickImageCollection which contains one of my layers with the label is "PTS1" for example (that is SmartObjectLayer with containing is a picture). So my concern is how to update/replace contain the picture on that layer with another content then export the final .PSD into PNG.?

2/ The same question but for the "SolidLayer" which is fillup the color background of my PSD file. I want to change from color A to B then export PSD to PNG?

Sample data: sample PSD file.zip
Here my code but the result is not as expected:
`public static void processPSD(string psdFile, string newImagePath)
{

        using (MagickImageCollection magickImages = new MagickImageCollection(psdFile))
        {
            for (var i = 0; i < magickImages.Count; i++)
            {
                if (magickImages[i].Label == "PTS1")
                {
                    // replace image content by another.
                   MagickImage newImageContent = new MagickImage(newImagePath);
                   magickImages[i] = newImageContent;
                }

                if (magickImages[i].Label == "COLOR")
                {
                    magickImages[i].BackgroundColor = MagickColors.Red;
                }
            }
            magickImages.Write("output.psd", MagickFormat.Psd);
            //magickImages[0].Write("output.png", MagickFormat.Png);
        }
    }`

• Input PSD looks like:
  
• Result new PSD:
  
• Result in .PNG => no changes are persist it seems, because my new image content should be the music band
  

Thanks for any support.

[dlemstra]

Updating the text of a PSD file is not possible. The ImageMagick library will create an image from the PSD file and that means all vector information is gone. I have no idea which library is capable of doing this.

[dvcuong05]

Thanks @dlemstra
But my concern question above how to update Image content on a specific layer which is SmartObjectLayer Or Does it the same with text? so I not able to update anything on the layer of PDF file.

[dlemstra]

When ImageMagick reads the PSD file it will change the information of the file into pixels. This means that you cannot change the content any objecs defined in Photoshop.