Write PPM with Y reversed

2025-06-10 09:32:41 +00:00 · 2016-05-22 21:36:57 +07:00
parent 7297666bbd
commit c503931e72
1 changed files with 2 additions and 1 deletions
--- a/pymlac/Display.py
+++ b/pymlac/Display.py
@@ -182,7 +182,8 @@ class Display(object):
        y = y1
        for x in range(x1, x2 + 1):
            (xx, yy) = (y, x) if is_steep else (x, y)
-            self.array[yy*self.ScaleMaxX + xx] = self.DrawColour
+            yyy = self.ScaleMaxX - yy
+            self.array[yyy*self.ScaleMaxX + xx] = self.DrawColour
            error -= abs(dy)
            if error < 0:
                y += ystep