transformIsIdentity() now doesn't accept a zero matrix as the identity.

Added a non-zero test for one of the diagonal values.
2006-09-12 01:15:40 +02:00 · 2006-09-12 01:15:40 +02:00 · 594d4019c6
parent fc30370d14
commit 594d4019c6
1 changed files with 1 additions and 0 deletions
--- a/render/picture.c
+++ b/render/picture.c
@ -1464,6 +1464,7 @@ transformIsIdentity(PictTransform *t)
 {
    return ((t->matrix[0][0] == t->matrix[1][1]) &&
            (t->matrix[0][0] == t->matrix[2][2]) &&
+            (t->matrix[0][0] != 0) &&
            (t->matrix[0][1] == 0) &&
            (t->matrix[0][2] == 0) &&
            (t->matrix[1][0] == 0) &&