--- a/setup.sh	Mon Jun 13 09:21:24 2022 -0700
+++ b/setup.sh	Mon Jun 13 11:31:49 2022 -0700
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-export JRE_HOME="/Library/Java/JavaVirtualMachines/zulu-8.jdk/Contents/Home"
+export JRE_HOME="/Library/Java/JavaVirtualMachines/zulu-15.jdk/Contents/Home"
 export JAVA_HOME="$JRE_HOME"
 export KOTLIN_HOME="$HOME/kotlin/1.6.10/kotlinc"
 export EXIV2_HOME="$HOME/temp/exiv2/exiv2-0.27.2-Source"

--- a/src/name/blackcap/imageprep/Files.kt	Mon Jun 13 09:21:24 2022 -0700
+++ b/src/name/blackcap/imageprep/Files.kt	Mon Jun 13 11:31:49 2022 -0700
@@ -19,7 +19,7 @@
 enum class OS {
     MAC, UNIX, WINDOWS, OTHER;
     companion object {
-        private val rawType = System.getProperty("os.name")?.toLowerCase()
+        private val rawType = System.getProperty("os.name")?.lowercase()
         val type = if (rawType == null) {
                 OTHER
             } else if (rawType.contains("win")) {
@@ -40,7 +40,7 @@
 
 /* file names */
 
-private val SHORTNAME = Application.MYNAME.toLowerCase()
+private val SHORTNAME = Application.MYNAME.lowercase()
 private val LONGNAME = "name.blackcap." + SHORTNAME
 private val HOME = System.getenv("HOME")
 val PF_DIR = when (OS.type) {

--- a/src/name/blackcap/imageprep/Main.kt	Mon Jun 13 09:21:24 2022 -0700
+++ b/src/name/blackcap/imageprep/Main.kt	Mon Jun 13 11:31:49 2022 -0700
@@ -33,6 +33,7 @@
     LOGGER.log(Level.INFO, "beginning execution")
     if (OS.type == OS.MAC) {
         System.setProperty("apple.laf.useScreenMenuBar", "true")
+        System.setProperty("apple.awt.application.name", Application.MYNAME)
     }
 
     /* launch GUI */

--- a/src/name/blackcap/imageprep/Menus.kt	Mon Jun 13 09:21:24 2022 -0700
+++ b/src/name/blackcap/imageprep/Menus.kt	Mon Jun 13 11:31:49 2022 -0700
@@ -99,7 +99,7 @@
         }
         if (chooser.showOpenDialog(Application.mainFrame) == JFileChooser.APPROVE_OPTION) {
             currentInputDirectory = chooser.selectedFile.canonicalFile.parentFile
-            RotateDialog.makeDialog(chooser.selectedFile, maxDim.value as Int)
+            RotateDialog.makeDialog(chooser.selectedFile, maxDim.value)
         }
     }
 
@@ -144,7 +144,7 @@
         }
         currentOutputDirectory = chooser.selectedFile.canonicalFile.parentFile
         val (name, ext) = splitext(chooser.selectedFile.name)
-        val file = if (ext.toLowerCase() in setOf(".jpg", ".jpeg")) {
+        val file = if (ext.lowercase() in setOf(".jpg", ".jpeg")) {
             chooser.selectedFile
         } else {
             File(currentOutputDirectory, name + ".jpg")

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/name/blackcap/imageprep/Osdep.kt	Mon Jun 13 11:31:49 2022 -0700
@@ -0,0 +1,20 @@
+/*
+ * OS-dependent code, Mac version.
+ */
+package name.blackcap.imageprep
+
+import java.awt.Desktop
+import java.awt.desktop.AboutHandler
+import java.awt.desktop.PreferencesHandler
+import java.awt.desktop.QuitStrategy
+
+fun setMacMenus() {
+    if (OS.type == OS.MAC) {
+        Desktop.getDesktop().run {
+            setAboutHandler(AboutHandler({ showAboutDialog() }))
+            setPreferencesHandler(
+                PreferencesHandler({ Application.settingsDialog.setVisible(true) }))
+            setQuitStrategy(QuitStrategy.CLOSE_ALL_WINDOWS)
+        }
+    }
+}

--- a/src/name/blackcap/imageprep/Osdep.kt.default.osdep	Mon Jun 13 09:21:24 2022 -0700
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,8 +0,0 @@
-/*
- * OS-dependent code, version for all non-Mac systems.
- */
-package name.blackcap.imageprep
-
-fun setMacMenus() {
-    /* no-op */
-}

--- a/src/name/blackcap/imageprep/Osdep.kt.mac.osdep	Mon Jun 13 09:21:24 2022 -0700
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,17 +0,0 @@
-/*
- * OS-dependent code, Mac version.
- */
-package name.blackcap.imageprep
-
-import com.apple.eawt.AboutHandler
-import com.apple.eawt.PreferencesHandler
-import com.apple.eawt.QuitStrategy
-
-fun setMacMenus() {
-    com.apple.eawt.Application.getApplication().run {
-        setAboutHandler(AboutHandler { showAboutDialog() })
-        setPreferencesHandler(
-            PreferencesHandler { Application.settingsDialog.setVisible(true) })
-        setQuitStrategy(QuitStrategy.CLOSE_ALL_WINDOWS)
-    }
-}

--- a/src/name/blackcap/imageprep/SettingsDialog.kt	Mon Jun 13 09:21:24 2022 -0700
+++ b/src/name/blackcap/imageprep/SettingsDialog.kt	Mon Jun 13 11:31:49 2022 -0700
@@ -27,7 +27,7 @@
     private val _maxDimension = MaxDimSpinner(_PROPS.getInt("maxDimension"))
     val maxDimension: Int
     get() {
-        return _maxDimension.value as Int
+        return _maxDimension.value
     }
     
     /* JPEG output quality */
@@ -227,7 +227,7 @@
     val raw = getProperty(key)
     if (raw.isNullOrEmpty())
         return false
-    val c1 = raw[0].toLowerCase()
+    val c1 = raw[0].lowercaseChar()
     return c1 == 't' || c1 == 'y'
 }