Merge pull request #208 from eaton-lab/text-rotate-extents

use matrix mult on text angle transform arrays
sandialabs · Oct 13, 2022 · f9deeba · f9deeba
2 parents 42508c4 + a7809cd
commit f9deeba
Showing 1 changed file with 4 additions and 4 deletions.
diff --git a/toyplot/text.py b/toyplot/text.py
@@ -41,10 +41,10 @@ def extents(text, angle, style):
 
     for index, theta in enumerate(angle):
         transformation = toyplot.transform.rotation(theta)
-        corner1[index] = numpy.diag(corner1[index] * transformation)
-        corner2[index] = numpy.diag(corner2[index] * transformation)
-        corner3[index] = numpy.diag(corner3[index] * transformation)
-        corner4[index] = numpy.diag(corner4[index] * transformation)
+        corner1[index] = numpy.matmul(corner1[index], transformation)
+        corner2[index] = numpy.matmul(corner2[index], transformation)
+        corner3[index] = numpy.matmul(corner3[index], transformation)
+        corner4[index] = numpy.matmul(corner4[index], transformation)
 
     left = numpy.minimum(corner1.T[0], numpy.minimum(
         corner2.T[0], numpy.minimum(corner3.T[0], corner4.T[0])))