零点参考线、缩放选定图层、透明像素裁切

Mac工具/Yeomai-Toolbox-CEP/jsx/scripts/99.其他工具/零点参考线.jsx

@@ -0,0 +1,51 @@
+#target photoshop
+
+/*
+    Create missing guides at the document origin.
+    Existing guides at X=0 or Y=0 are not duplicated.
+*/
+
+(function () {
+    if (app.documents.length === 0) {
+        alert("请先打开一个文档。");
+        return;
+    }
+
+    try {
+        var document = app.activeDocument;
+        var hasVerticalAtZero = false;
+        var hasHorizontalAtZero = false;
+        var tolerance = 0.001;
+        var i;
+
+        for (i = 0; i < document.guides.length; i++) {
+            var guide = document.guides[i];
+            var position = guide.coordinate.as("px");
+
+            if (Math.abs(position) <= tolerance) {
+                if (guide.direction === Direction.VERTICAL) {
+                    hasVerticalAtZero = true;
+                } else if (guide.direction === Direction.HORIZONTAL) {
+                    hasHorizontalAtZero = true;
+                }
+            }
+        }
+
+        if (!hasVerticalAtZero) {
+            document.guides.add(
+                Direction.VERTICAL,
+                new UnitValue(0, "px")
+            );
+        }
+
+        if (!hasHorizontalAtZero) {
+            document.guides.add(
+                Direction.HORIZONTAL,
+                new UnitValue(0, "px")
+            );
+        }
+    } catch (error) {
+        alert("创建参考线失败：\n" + error.message);
+    }
+}());
+