Set brush settings jsx adobe photoshop

brush-settings.jsx

// Took here, just refactored and add ability to set mode
// https://community.adobe.com/t5/photoshop/q-is-accessible-get-set-for-brush-settings-lock-features/m-p/9509960?page=1

setBrushSettings({opacity: 100, mode: "normal", hardness: 100, flow: 100, diameter: 10});

function setBrushSettings(params) {
	try {
		var refGet = new ActionReference();

		refGet.putProperty(charIDToTypeID("Prpr"), stringIDToTypeID("tool"));
		refGet.putEnumerated(charIDToTypeID("capp"), charIDToTypeID("Ordn"), charIDToTypeID("Trgt"));

		var result = executeActionGet(refGet);

		var options = result.getObjectValue(stringIDToTypeID("currentToolOptions"));
		var tool = result.getEnumerationType(stringIDToTypeID("tool"));
		var brush = options.getObjectValue(stringIDToTypeID("brush"));

		if (params.opacity !== undefined) {
			options.putInteger(stringIDToTypeID("opacity"), params.opacity)
		}

		if (params.mode !== undefined) {
			options.putEnumerated( stringIDToTypeID( "mode" ), stringIDToTypeID( "blendModel" ), stringIDToTypeID(params.mode) );
		}

		if (params.flow !== undefined) {
			options.putInteger(stringIDToTypeID("flow"), params.flow);
		}

		if (params.smooth !== undefined && spacing != 0) {
			options.putInteger(stringIDToTypeID("smooth"), params.smooth);
			options.putDouble(stringIDToTypeID("smoothingValue"), Math.round(params.smooth / 100 * 255));
		}

		if (params.diameter !== undefined) {
			brush.putUnitDouble(charIDToTypeID("Dmtr"), charIDToTypeID("#Pxl"), params.diameter)
		}

		if (params.hardness !== undefined) {
			brush.putUnitDouble(charIDToTypeID("Hrdn"), charIDToTypeID("#Prc"), params.hardness)
		}

		if (params.spacing === 0) {
			brush.putBoolean(stringIDToTypeID("interfaceIconFrameDimmed"), false);
		} else if (params.spacing !== undefined) {
			brush.putBoolean(stringIDToTypeID("interfaceIconFrameDimmed"), true);
			brush.putUnitDouble(charIDToTypeID("Spcn"), charIDToTypeID("#Prc"), params.spacing);
		}

		options.putObject(stringIDToTypeID("brush"), stringIDToTypeID("null"), brush);

		var refSet = new ActionReference();

		refSet.putClass(tool);

		var desc = new ActionDescriptor();
		desc.putReference(stringIDToTypeID("null"), refSet);
		desc.putObject(stringIDToTypeID("to"), stringIDToTypeID("null"), options);
		executeAction(stringIDToTypeID("set"), desc, DialogModes.NO);
	} catch (e) {
		alert(e)
	}
}