95 lines
2.5 KiB
React
95 lines
2.5 KiB
React
#target photoshop
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/*
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Uniformly scale the active Photoshop layer.
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Input range: 0.1 to 1.0
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Default: 0.5 (50%)
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*/
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(function () {
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function showMessage(text) {
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alert(text);
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}
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function hasSelectedLayer() {
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var propertyID = stringIDToTypeID("targetLayersIDs");
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var reference = new ActionReference();
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reference.putProperty(stringIDToTypeID("property"), propertyID);
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reference.putEnumerated(
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stringIDToTypeID("document"),
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stringIDToTypeID("ordinal"),
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stringIDToTypeID("targetEnum")
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);
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try {
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var descriptor = executeActionGet(reference);
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return descriptor.hasKey(propertyID) &&
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descriptor.getList(propertyID).count > 0;
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} catch (error) {
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return false;
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}
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}
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if (app.documents.length === 0) {
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showMessage("打开一个文档以使用此脚本。");
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return;
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}
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if (!hasSelectedLayer()) {
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showMessage("请先选择一个需要缩放的图层。");
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return;
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}
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var dialog = new Window("dialog", "缩放选定图层");
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dialog.orientation = "column";
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dialog.alignChildren = "fill";
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var inputGroup = dialog.add("group");
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inputGroup.orientation = "row";
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inputGroup.add("statictext", undefined, "缩放比例(0.1-1):");
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var scaleInput = inputGroup.add("edittext", undefined, "0.5");
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scaleInput.characters = 8;
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scaleInput.active = true;
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var buttonGroup = dialog.add("group");
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buttonGroup.alignment = "right";
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var cancelButton = buttonGroup.add("button", undefined, "Cancel", { name: "cancel" });
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var okButton = buttonGroup.add("button", undefined, "OK", { name: "ok" });
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var scaleValue = null;
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okButton.onClick = function () {
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var value = parseFloat(scaleInput.text.replace(",", "."));
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if (isNaN(value) || value < 0.1 || value > 1) {
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showMessage("Enter a number from 0.1 to 1.");
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scaleInput.active = true;
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return;
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}
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scaleValue = value;
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dialog.close(1);
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};
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cancelButton.onClick = function () {
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dialog.close(0);
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};
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if (dialog.show() !== 1 || scaleValue === null) {
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return;
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}
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try {
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var layer = app.activeDocument.activeLayer;
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var percent = scaleValue * 100;
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layer.resize(
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percent,
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percent,
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AnchorPosition.MIDDLECENTER
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);
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} catch (error) {
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showMessage("Scale failed:\n" + error.message);
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}
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}());
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