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

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