From f78af12bb2161c982840d6fbf8ce7935435d3c19 Mon Sep 17 00:00:00 2001
From: Ali Jahangiri <75624145+aliphys@users.noreply.github.com>
Date: Tue, 2 May 2023 15:40:02 +0200
Subject: [PATCH] Change greyscale with spacebar

---
 .../CameraRawBytesVisualizer/CameraRawBytesVisualizer.pde | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/libraries/Camera/extras/CameraRawBytesVisualizer/CameraRawBytesVisualizer.pde b/libraries/Camera/extras/CameraRawBytesVisualizer/CameraRawBytesVisualizer.pde
index 43427a142..253ad7156 100644
--- a/libraries/Camera/extras/CameraRawBytesVisualizer/CameraRawBytesVisualizer.pde
+++ b/libraries/Camera/extras/CameraRawBytesVisualizer/CameraRawBytesVisualizer.pde
@@ -17,7 +17,7 @@ final int cameraWidth = 320;
 final int cameraHeight = 240;
 
 // Must match the image mode in the Arduino sketch
-final boolean useGrayScale = true;
+boolean useGrayScale = true;
 
 // Must match the baud rate in the Arduino sketch
 final int baudRate = 921600;
@@ -120,3 +120,9 @@ void serialEvent(Serial myPort) {
   // and are ready for the next frame
   myPort.write(1);
 }
+
+void keyPressed() {
+  if (key == ' ') {
+    useGrayScale = !useGrayScale; // change boolean value of greyscale when space is pressed
+  }
+}
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