Is there a way to get Photoshop to stop asking to merge or don't merge when chaging color modes?

Question

Stephen Marsh · Accepted Answer

Here is a combined version of the previous 3 separate scripts, using a single interface to select the colour mode:

// Attention: Changing modes without flattening may lead to unexpected results!

#target photoshop

// Function to convert string to type ID
var s2t = function (s) {
    return app.stringIDToTypeID(s);
};

// Function to convert color mode
function convertColorMode(mode) {
    var descriptor = new ActionDescriptor();
    descriptor.putClass(s2t("to"), s2t(mode));
    descriptor.putBoolean(s2t("flatten"), false);
    descriptor.putBoolean(s2t("rasterize"), false);
    executeAction(s2t("convertMode"), descriptor, DialogModes.NO);
}

// Create the dialog
var dialog = new Window("dialog", "Convert Color Mode (Without Flatten Prompt)");
dialog.orientation = "column";
dialog.alignChildren = ["fill", "top"];
dialog.preferredSize = [400, -1]; // Set the preferred width to 400px, height will adjust automatically

// Panel group with dropdown menu
var panelGroup = dialog.add("panel", undefined, "Select Color Mode");
panelGroup.orientation = "column";
panelGroup.alignChildren = ["fill", "top"];

var dropdown = panelGroup.add("dropdownlist", undefined, ["CMYK", "RGB", "Lab"]);
dropdown.selection = 0;

// Cancel and OK buttons
var buttonGroup = dialog.add("group");
buttonGroup.orientation = "row";
buttonGroup.alignment = "right";

var cancelButton = buttonGroup.add("button", undefined, "Cancel", { name: "cancel" });
var okButton = buttonGroup.add("button", undefined, "OK", { name: "ok" });

// OK button event handler
okButton.onClick = function () {
    var selectedMode = dropdown.selection.text;
    var mode;
    switch (selectedMode) {
        case "CMYK":
            mode = "CMYKColorMode";
            break;
        case "RGB":
            mode = "RGBColorMode";
            break;
        case "Lab":
            mode = "labColorMode";
            break;
    }
    convertColorMode(mode);
    dialog.close();
};

// Cancel button event handler
cancelButton.onClick = function () {
    dialog.close();
};

// Show the dialog
dialog.show();

Stephen Marsh · Answer

@Herbie22012266fjw7

It’s not just adjustment layers, blend modes for any layer may result in a different visual result as is common for CMYK colour mode or the blend mode may not even be available as is the case for many blend modes in Lab colour mode.

If you are simply using the Image > Mode menu and not Convert to Profile, the following scripts can be used to change modes without the warning:

Image > Mode > CMYK

#target photoshop
var s2t = function (s) {
    return app.stringIDToTypeID(s);
};
var descriptor = new ActionDescriptor();
descriptor.putClass(s2t("to"), s2t("CMYKColorMode"));
descriptor.putBoolean(s2t("flatten"), false);
descriptor.putBoolean(s2t("rasterize"), false);
executeAction(s2t("convertMode"), descriptor, DialogModes.NO);

Image > Mode > RGB

#target photoshop
var s2t = function (s) {
    return app.stringIDToTypeID(s);
};
var descriptor = new ActionDescriptor();
descriptor.putClass(s2t("to"), s2t("RGBColorMode"));
descriptor.putBoolean(s2t("flatten"), false);
descriptor.putBoolean(s2t("rasterize"), false);
executeAction(s2t("convertMode"), descriptor, DialogModes.NO);

Image > Mode > Lab

#target photoshop
var s2t = function (s) {
    return app.stringIDToTypeID(s);
};
var descriptor = new ActionDescriptor();
descriptor.putClass(s2t("to"), s2t("labColorMode"));
descriptor.putBoolean(s2t("flatten"), false);
descriptor.putBoolean(s2t("rasterize"), false);
executeAction(s2t("convertMode"), descriptor, DialogModes.NO);

Copy the code text to the clipboard
Open a new blank file in a plain-text editor (not in a word processor)
Paste the code in
Save as a plain text format file – .txt
Rename the saved file extension from .txt to .jsx
Install or browse to the .jsx file to run (see below)

https://prepression.blogspot.com/2017/11/downloading-and-installing-adobe-scripts.html

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