Differences

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

--- graphic:javascript:photoshop [2023/03/05 02:58] – [Doc operation code] ying
+++ graphic:javascript:photoshop [2023/03/05 03:00] – [Doc operation code] ying
@@ Line 287: / Line 287: @@
 </code>
   * resize doc <code javascript>app.activeDocument.resizeImage('150%', '150%');</code>
+  * resize to A4 size ratio <code javascript>
+/*
+reisize to fit A4
+by ying n chatGPT
+.03.05
+*/
+// Get the active document
+var doc = app.activeDocument;
+app.backgroundColor.rgb.red = 255;
+app.backgroundColor.rgb.green = 255;
+app.backgroundColor.rgb.blue = 255;
+// Define the A4 size in pixels (assuming 300 DPI)
+var a4Width = 2480; // 8.27 inches * 300 pixels per inch
+var a4Height = 3508; // 11.69 inches * 300 pixels per inch
+var a4Ratio = a4Width / a4Height;
+// Get the current canvas size
+var currentWidth = doc.width.value;
+var currentHeight = doc.height.value;
+var currentRatio = currentWidth / currentHeight;
+// Calculate the new canvas size
+var newWidth = currentWidth;
+var newHeight = currentHeight;
+if (currentRatio > a4Ratio) {
+  // Extend the height to match the A4 ratio
+  newHeight = Math.round(newWidth / a4Ratio);
+} else {
+  // Extend the width to match the A4 ratio
+  newWidth = Math.round(newHeight * a4Ratio);
+}
+// Only resize the canvas if the new size is larger than the current size
+if (newWidth > currentWidth || newHeight > currentHeight) {
+  // Calculate the position of the current content
+  var x = Math.round((newWidth - currentWidth) / 2);
+  var y = Math.round((newHeight - currentHeight) / 2);
+  // Resize the canvas
+  doc.resizeCanvas(newWidth, newHeight, AnchorPosition.MIDDLECENTER);
+}
+</code>
   * file and folder <code javascript>
 var samplesFolder = Folder(app.path + "/Samples/")
@@ Line 360: / 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;
+  var selectionBounds = doc.selection.bounds;
+  doc.selection.translateBoundary(0, partHeight);
+}
+//=======================================
+//#  trim border
+//=======================================
+app.activeDocument = newDoc;
+newDoc.trim(TrimType.TOPLEFT, true, true, true, true);
 </code>
 ===== Execute code =====