diff options
| -rw-r--r-- | pixman/pixman-matrix.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/pixman/pixman-matrix.c b/pixman/pixman-matrix.c index a029ab7..d2ab609 100644 --- a/pixman/pixman-matrix.c +++ b/pixman/pixman-matrix.c @@ -336,14 +336,14 @@ PIXMAN_EXPORT pixman_bool_t pixman_transform_invert (struct pixman_transform * dst, const struct pixman_transform *src) { - struct pixman_f_transform m, r; + struct pixman_f_transform m; pixman_f_transform_from_pixman_transform (&m, src); - if (!pixman_f_transform_invert (&r, &m)) + if (!pixman_f_transform_invert (&m, &m)) return FALSE; - if (!pixman_transform_from_pixman_f_transform (dst, &r)) + if (!pixman_transform_from_pixman_f_transform (dst, &m)) return FALSE; return TRUE; @@ -469,10 +469,11 @@ PIXMAN_EXPORT pixman_bool_t pixman_f_transform_invert (struct pixman_f_transform * dst, const struct pixman_f_transform *src) { - double det; - int i, j; static const int a[3] = { 2, 2, 1 }; static const int b[3] = { 1, 0, 0 }; + pixman_f_transform_t d; + double det; + int i, j; det = 0; for (i = 0; i < 3; i++) @@ -507,10 +508,12 @@ pixman_f_transform_invert (struct pixman_f_transform * dst, if (((i + j) & 1) != 0) p = -p; - dst->m[j][i] = det * p; + d.m[j][i] = det * p; } } + *dst = d; + return TRUE; } |