Setting gamma kindof works

2018-10-21 15:55:12 +02:00
parent 037017ca94
commit ea653b6840
3 changed files with 25 additions and 3 deletions
--- a/main.py
+++ b/main.py
@@ -97,7 +97,8 @@ class SerialWriter(threading.Thread):
                    data = self.datasource.getData()
                with self.cv:
                    if self.updateGamma:
-                        buf = bytearray("\x00")*3*256
+                        buf = bytearray(b"\x00")*3*256
+                        self.updateGamma = False
                        r = self.r
                        g = self.g
                        b = self.b
@@ -105,6 +106,9 @@ class SerialWriter(threading.Thread):
                            gr = int(math.pow(i/255, r)*255)
                            gg = int(math.pow(i/255, g)*255)
                            gb = int(math.pow(i/255, b)*255)
+                            assert gr >= 0 and gr <= 255
+                            assert gg >= 0 and gg <= 255
+                            assert gb >= 0 and gb <= 255
                            buf[i] =gr
                            buf[i+255] = gg
                            buf[i+511] = gb