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Adi1231234
Known Participant
March 16, 2024
Answered

Photoshop Scripting - Image Placement Within Frame

  • March 16, 2024
  • 2 replies
  • 5446 views

Hello!

I'm working on a project in Photoshop where I have a single frame and a single image. Currently, in the Photoshop UI, it's possible to drag an image into a frame, and it automatically scales and positions the image to fit perfectly within the frame's bounds. This process is intuitive and saves a considerable amount of time.

However, I'm looking to automate this process through scripting. I want to achieve the same effect: taking an image and fitting it inside a predefined frame, with the image automatically scaling and positioning itself to match the frame's dimensions and orientation. The goal is to replicate the seamless integration that occurs when manually dragging an image into a frame but through a scripted process.

I've explored various scripting options, including manipulating layers, selections, and transformations, but none provide a straightforward solution to mimic the manual drag-and-drop behavior entirely. The challenge lies in automating the image's fitting process into the frame, ensuring it scales and positions correctly without manual intervention.

 

Could anyone provide insights, solutions, or workarounds that could help achieve this automated fitting of an image to a frame using Photoshop scripting? Any advice or direction towards relevant documentation and examples would be greatly appreciated.

Thanks!

    This topic has been closed for replies.
    Correct answer Stephen Marsh
    quote

    After removing the line

    descriptor.putObject( s2t( "replaceLayer" ), s2t( "placeEvent" ), descriptor );

    everything worked perfectly!

     

    That is strange, I get the same results with or without that line... However, you are correct that it doesn't appear to be required. I trimmed away a lot of unnecessary code that was recorded by the ScriptingListener plugin but missed that one.

     

     

    quote

    I also have an additional question that I hope you could help with. Is there a way to determine if a layer is of the type 'frame'? I'm looking to further refine my script and this piece of information would be incredibly helpful.

     

    By @Adi1231234

     

    Yes, I can help you there.

     

    I know that you are new to scripting, so let me try to explain... In the legacy ExtendScript used by Photoshop before the new UXP scripting, there were two types of code:

     

    * ExtendScript Document Object Model code (DOM)

    * ExtendScript Action Manager code (AM)

     

    DOM code is high-level, more "user friendly" and legible than AM code, which is low-level, more like "machine language". Unfortunately, DOM code doesn't cover many areas of Photoshop, so we have to use AM code. AM code can sometimes provide performance benefits over DOM code, it doesn't matter that the code is more verbose than DOM.

     

    The previous code that I provided to place an image is AM code, which has been greatly simplified from the source and placed into a JavaScript Function.

     

    Now that I have given you some background context, it's time to answer your question regarding checking/testing that the active layer is a Frame.

     

    In the standard DOM code, Adobe shares the same entry for Layer Groups, Artboards and Frames. This is the 

    "LayerSet" typename. As long as there is no chance that you may have a Layer Group selected, you can just use standard DOM code to ensure that the active layer isn't another layer kind:
     
    if (app.activeDocument.activeLayer.typename == "LayerSet") {
    placeInSelectedFrame(File.openDialog("Select the file to place into the Frame:"), false);
} else {
    alert("The layer '" + app.activeDocument.activeLayer.name + "' isn't a Frame layer...");
}

function placeInSelectedFrame(theFile, linked) {
    function s2t(s) {
        return app.stringIDToTypeID(s);
    }
    var descriptor = new ActionDescriptor();
    descriptor.putPath(s2t("null"), theFile); // File path
    descriptor.putBoolean(s2t("linked"), linked); // Linked/embedded boolean
    descriptor.putEnumerated(s2t("freeTransformCenterState"), s2t("quadCenterState"), s2t("QCSAverage")); // Place and fit
    executeAction(s2t("placeEvent"), descriptor, DialogModes.NO);
}

     

    However, if you need the script to be able to differentiate between a Frame and not a Layer Group, then you need more complex AM code:

     

    if (isFrame()) {
    placeInSelectedFrame(File.openDialog("Select the file to place into the Frame:"), false);
} else {
    alert("The layer '" + app.activeDocument.activeLayer.name + "' isn't a Frame layer...");
}

function placeInSelectedFrame(theFile, linked) {
    function s2t(s) {
        return app.stringIDToTypeID(s);
    }
    var descriptor = new ActionDescriptor();
    descriptor.putPath(s2t("null"), theFile); // File path
    descriptor.putBoolean(s2t("linked"), linked); // Linked/embedded boolean
    descriptor.putEnumerated(s2t("freeTransformCenterState"), s2t("quadCenterState"), s2t("QCSAverage")); // Place and fit
    executeAction(s2t("placeEvent"), descriptor, DialogModes.NO);
}

function isFrame() {
    // modified from a script by greless with hints from jazz-y!
    try {
        var r = new ActionReference();
        r.putEnumerated(stringIDToTypeID('layer'), stringIDToTypeID('ordinal'), stringIDToTypeID('targetEnum'));
        var options = executeActionGet(r);
        return options.hasKey(stringIDToTypeID('framedGroup')); // test for the required key, returns true or false
    } catch (e) {}
}

     

    https://community.adobe.com/t5/photoshop-ecosystem-discussions/custom-script-for-renaming-artboards-with-multiple-elements/m-p/13498536

     

    2 replies

    Stephen Marsh
    Community Expert
    Stephen MarshCommunity Expert
    Community Expert
    March 16, 2024

    To get the ball rolling... Presuming that you have a frame layer active/selected, the following code example will place embedded the chosen file into the frame:

     

    placeInSelectedFrame(File.openDialog("Select the file to place:"), false);

function placeInSelectedFrame(theFile, linked) {
	function s2t(s) {
        return app.stringIDToTypeID(s);
    }
	var descriptor = new ActionDescriptor();
	descriptor.putPath( s2t( "null" ), theFile ); // File path
	descriptor.putBoolean( s2t( "linked" ), linked ); // Linked/embedded boolean
	descriptor.putEnumerated( s2t( "freeTransformCenterState" ), s2t( "quadCenterState" ), s2t( "QCSAverage" )); // Place and fit
	descriptor.putObject( s2t( "replaceLayer" ), s2t( "placeEvent" ), descriptor );
	executeAction( s2t( "placeEvent" ), descriptor, DialogModes.NO );
}

     

     

      A
      Adi1231234Author
      Known Participant
      March 17, 2024

      Hello,

      I wanted to extend my sincerest thanks for your guidance and the script you shared. It significantly propelled my project forward. After removing the line

      descriptor.putObject( s2t( "replaceLayer" ), s2t( "placeEvent" ), descriptor );

      everything worked perfectly!

      I also have an additional question that I hope you could help with. Is there a way to determine if a layer is of the type 'frame'? I'm looking to further refine my script and this piece of information would be incredibly helpful.

      Thank you once again for your invaluable assistance!

      Stephen Marsh
      Community Expert
      Stephen MarshCommunity Expert
      Community Expert
      March 29, 2024

      Thank you for taking the time to help me. Let me address each of your questions and points for clarity:

       

      1. Regarding the errors in the code: You mentioned there are errors in my code, making it difficult for you to understand my intentions. However, when I run the edited version of the code you provided, it executes without throwing any errors on my end. The script runs flawlessly in VSCode on Photoshop 2019, and it interacts correctly with the PSD file I shared. It does not encounter any errors during execution but returns an empty array, indicating no frames are found in the document, despite their presence. This leads me to wonder which version of Photoshop you are testing this on, as there might be differences in how frames are handled or identified across versions.

       

      2. On the method based on the parent you suggested: I've followed your suggestion and used the method based on identifying the parent to determine if a layer is a frame. However, I've made minimal changes to the logic of the function you provided, focusing mainly on enabling it to check all layers. Despite these slight modifications, the script still does not correctly identify layers as frames, returning an empty array instead. Could there be any adjustments I made that inadvertently affected its ability to identify frames correctly? Your insight into whether there’s a specific change that might have caused this issue would be invaluable.

       

      3. Looping over each frame: You inquired why not loop over each frame and perform the necessary actions on a layer-by-layer basis, instead of first collecting a list of frames. I must clarify, whether I process each frame one by one from the start or collect them all first isn't the core issue. The central logic supposed to identify a layer as a frame is not working as expected, which is the main problem we need to address.

       

      4. Looking for empty frames: Your observation is correct; the current version of the code does not include a check for empty frames. This is an oversight on my part, and I intend to implement this functionality once I can reliably identify all frames in the document.

       

      To sum up, I'm facing a challenge in ensuring the script correctly identifies all frames in the document. The current code, based on your suggestions, does not recognize frames accurately and returns an empty array. I'm curious about the steps you took to achieve the results you described. Could you possibly share more details about your process?

      Additionally, would it help if I sent over properties of the layers from my document so we can better understand why the script behaves differently for us?

      I’m wondering how the script that works on my end returns incorrect results but seems to fail when you run it. Any further insights or assistance you could provide would be immensely helpful in troubleshooting these issues.

       

      Thank you again for your support and guidance.


      @Adi1231234 

       

      Scripting is just a hobby for me (I don't have a JS or programming background), there are others here who are much more adept than I...

       

      Please try the following based on my previous code, this will loop over all top-level layerSets (not nested) and tests for a frame, it works with your sample file:

       

      // Loop over top-level layerSets...

for (var i = 0; i < activeDocument.layerSets.length; i++) {
    try {
        app.activeDocument.activeLayer = app.activeDocument.layerSets[i];
        if (app.activeDocument.activeLayer.parent.name != app.activeDocument.name) {
            app.activeDocument.activeLayer = app.activeDocument.activeLayer.parent;
            if (app.activeDocument.activeLayer.typename === "LayerSet" && isFrame() === true) {
                alert(app.activeDocument.activeLayer.name + "\r" + "The layer is a Frame!");
                // Do stuff
            }
        } else if (app.activeDocument.activeLayer.typename === "LayerSet" && isFrame() === true) {
            alert(app.activeDocument.activeLayer.name + "\r" + "The layer is a Frame!");
            // Do stuff {
        } else {
            alert(app.activeDocument.activeLayer.name + "\r" + "The layer isn't a Frame...");
            // Do other stuff
        }
    } catch (e) {
        alert("Error!" + "\r" + e + ' ' + e.line);
    }

    function isFrame() {
        // modified from a script by greless with hints from jazz-y!
        // returns true or false
        try {
            var d = new ActionDescriptor();
            var r = new ActionReference();
            r.putEnumerated(stringIDToTypeID('layer'), stringIDToTypeID('ordinal'), stringIDToTypeID('targetEnum'));
            var options = executeActionGet(r);
            return options.hasKey(stringIDToTypeID('framedGroup')); // test for the required key
        } catch (e) {
            alert("Error!" + "\r" + e + ' ' + e.line);
        }
    }
}

       

       

       

        Stephen Marsh
        Community Expert
        Stephen MarshCommunity Expert
        Community Expert
        March 16, 2024

        How is this related to your other topic, where the layout had 24 images in a specific 6x4 layout where you wanted to fit to frame tool layers:

         

        https://community.adobe.com/t5/photoshop-ecosystem-discussions/automating-student-portrait-layouts-using-templates-in-photoshop-without-coding/m-p/14493699#M794089

         

        If you only wish to swap out a single image, you can look into smart object replacement with or without using a frame or the BatchOneImageCollage.jsx script in the JJMack archive linked in the other topic.

          A
          Adi1231234Author
          Known Participant
          March 16, 2024

          Hello, and thank you for your suggestion!

          I wanted to inquire specifically about the script you mentioned. Does it support placing images within frames (as opposed to smart objects)? It's important for my project that the final output is an image within a frame. I'm willing to do the necessary coding to achieve this. Could you please provide more details on whether the script supports this functionality, or if there's a way to adapt it for use with frames?

          Thank you for your assistance!

          Stephen Marsh
          Community Expert
          Stephen MarshCommunity Expert
          Community Expert
          March 16, 2024

          No, the JJMack scripts don't use frames or smart objects.

           

          Again, how is this related to your other topic, where the layout had 24 images in a specific 6x4 layout where you wanted to fit to frame tool layers?

           

          Is it that you wish to start small, just a single image and what you learn from that you will try to apply to multiple frames?

           

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