draw565: Fix an out-by-one error in _bounding_box

Currently we add an extra blank pixel to the end of the string but this
is not required.

Signed-off-by: Daniel Thompson <daniel@redfelineninja.org.uk>

1 files changed, 4 insertions, 3 deletions

diff --git a/wasp/draw565.py b/wasp/draw565.py
index 37e96b5..884d1a8 100644
--- a/wasp/draw565.py
+++ b/wasp/draw565.py
@@ -74,10 +74,11 @@ def _bounding_box(s, font):
     if not s:
         return (0, font.height())
 
-    w = 0
+    get_ch = font.get_ch
+    w = len(s) - 1
     for ch in s:
-        (_, h, wc) = font.get_ch(ch)
-        w += wc + 1
+        (_, h, wc) = get_ch(ch)
+        w += wc
 
     return (w, h)