--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mupdf-source/docs/examples/reconvert-cmyk.js	Mon Sep 15 11:44:09 2025 +0200
@@ -0,0 +1,19 @@
+// Read an image that was converted to RGB from CMYK without color management,
+// and re-convert it using a better CMYK profile.
+
+"use strict"
+
+if (scriptArgs.length != 2) {
+	print("usage: mutool run recolor-cmyk.js input.png output.png")
+	quit()
+}
+
+var pixmap = new mupdf.Image(scriptArgs[0]).toPixmap()
+mupdf.disableICC()
+pixmap = pixmap.convertToColorSpace(mupdf.ColorSpace.DeviceCMYK)
+mupdf.enableICC()
+pixmap = pixmap.convertToColorSpace(mupdf.ColorSpace.DeviceRGB)
+if (scriptArgs[1].match(/\.jpg/))
+	pixmap.saveAsJPEG(scriptArgs[1], 100)
+else
+	pixmap.saveAsPNG(scriptArgs[1])