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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2010-01-22 14:33:53 +0000 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2010-01-22 23:01:52 +0000 |
| commit | c2ef45226d6801acb15854de55a5f5bc728ed65d (patch) | |
| tree | 584216c9ef9b483c2247103e074c57893a0f4c0b /src/cairo-gstate.c | |
| parent | 22316a0c17cd3b49ec625814f4e737b3fdc6ca63 (diff) | |
gstate: Check for an invalid matrix before cairo_transform()
Similar to the other checks that will generate an invalid matrix prior
to performing the operation.
Diffstat (limited to 'src/cairo-gstate.c')
| -rw-r--r-- | src/cairo-gstate.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/cairo-gstate.c b/src/cairo-gstate.c index 7b318070..9f0e603d 100644 --- a/src/cairo-gstate.c +++ b/src/cairo-gstate.c @@ -677,6 +677,9 @@ _cairo_gstate_transform (cairo_gstate_t *gstate, cairo_matrix_t tmp; cairo_status_t status; + if (! _cairo_matrix_is_invertible (matrix)) + return _cairo_error (CAIRO_STATUS_INVALID_MATRIX); + if (_cairo_matrix_is_identity (matrix)) return CAIRO_STATUS_SUCCESS; |