mandelbrot-app: fix flipped y axis

hansfbaier · hansfbaier · commit 7f0cc305440c · 2021-10-21T04:09:09.000+07:00
diff --git a/software/mandelbrot-app.py b/software/mandelbrot-app.py
@@ -170,7 +170,7 @@ def painter(self):
                             pixel_count += 1
 
                             x     = pixel[0]
-                            y     = pixel[1]
+                            y     = self.view.height - pixel[1]
 
                             red, green, blue = colortable[pixel[2] & 0xf]
                             red   /= 255.0
