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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /gfx/cairo/ignore-rank0.patch
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'gfx/cairo/ignore-rank0.patch')
-rw-r--r--gfx/cairo/ignore-rank0.patch20
1 files changed, 20 insertions, 0 deletions
diff --git a/gfx/cairo/ignore-rank0.patch b/gfx/cairo/ignore-rank0.patch
new file mode 100644
index 000000000..7e20f66fb
--- /dev/null
+++ b/gfx/cairo/ignore-rank0.patch
@@ -0,0 +1,20 @@
+diff --git a/gfx/cairo/cairo/src/cairo-gstate.c b/gfx/cairo/cairo/src/cairo-gstate.c
+index 0439bcf..32a5c4b 100644
+--- a/gfx/cairo/cairo/src/cairo-gstate.c
++++ b/gfx/cairo/cairo/src/cairo-gstate.c
+@@ -1271,8 +1271,13 @@ _cairo_gstate_set_font_matrix (cairo_gstate_t *gstate,
+ if (memcmp (matrix, &gstate->font_matrix, sizeof (cairo_matrix_t)) == 0)
+ return CAIRO_STATUS_SUCCESS;
+
+- if (! _cairo_matrix_is_invertible (matrix))
+- return _cairo_error (CAIRO_STATUS_INVALID_MATRIX);
++ if (! _cairo_matrix_is_invertible (matrix)) {
++ /* rank 0 matrices are ok even though they are not invertible */
++ if (!(matrix->xx == 0. && matrix->xy == 0. &&
++ matrix->yx == 0. && matrix->yy == 0.)) {
++ return _cairo_error (CAIRO_STATUS_INVALID_MATRIX);
++ }
++ }
+
+ _cairo_gstate_unset_scaled_font (gstate);
+