Differences

This shows you the differences between two versions of the page.

--- graphic:javascript:photoshop [2023/03/05 02:59] – [Doc operation code] ying
+++ graphic:javascript:photoshop [2023/03/05 03:02] (current) – [Doc operation code] ying
@@ Line 403: / Line 403: @@
   alert("Printing cancelled.");
 }
+</code>
+  * split image vertically equally into N part, and stack into new doc, optionally crop border pixel <code javascript>
+//=======================================
+//#  image split by n
+//=======================================
+var doc = app.activeDocument;
+// Prompt the user for the number of parts
+var n = parseInt(prompt("Enter the number of parts to split the image into:", 4));
+// Calculate the height of each part
+var partHeight = Math.floor(doc.height / n);
+// Create a new document with the width of the original image and the height of one part
+var newDoc = app.documents.add(doc.width, partHeight, doc.resolution, "Split Image");
+// Loop through each part of the image
+for (var i = 0; i < n; i++) {
+  // Define the source rectangle for the part
+  var sourceRect = [
+    [0, i * partHeight],
+    [doc.width, i * partHeight],
+    [doc.width, (i + 1) * partHeight],
+    [0, (i + 1) * partHeight]
+  ];
+  // Activate the source document
+  app.activeDocument = doc;
+  // Deselect any active selection
+  doc.selection.deselect();
+  // Create a new selection
+  doc.selection.select(sourceRect);
+  // Copy the part to the new document
+  doc.selection.copy();
+  // Activate the new document
+  app.activeDocument = newDoc;
+  // Paste the part into the new document
+  newDoc.paste();
+  // Move the selection down by the height of one part
+  app.activeDocument = doc;
+  doc.selection.translateBoundary(0, partHeight);
+}
+//=======================================
+//#  trim border
+//=======================================
+app.activeDocument = newDoc;
+newDoc.trim(TrimType.TOPLEFT, true, true, true, true);
 </code>
 ===== Execute code =====