Mercurial > jwe > octave
changeset 23831:a62e03d7d53a
Check for valid zoom region in qt graphics toolkit (bug #51645).
* graphics.cc (axes::properties::zoom): Test whether the zoom limits for x or
y dimension are equal. If either case is true, issue a warning and don't
update zoom settings.
| author | Daniel J Sebald <daniel.sebald@ieee.org> |
|---|---|
| date | Wed, 02 Aug 2017 23:14:19 -0500 |
| parents | 595d6716e3e2 |
| children | 3544f88a2bb5 |
| files | libinterp/corefcn/graphics.cc |
| diffstat | 1 files changed, 6 insertions(+), 0 deletions(-) [+] |
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--- a/libinterp/corefcn/graphics.cc Fri Aug 04 19:09:28 2017 -0400 +++ b/libinterp/corefcn/graphics.cc Wed Aug 02 23:14:19 2017 -0500 @@ -7956,6 +7956,12 @@ const Matrix& xl, const Matrix& yl, bool push_to_zoom_stack) { + if (xl(0) == xl(1) || yl(0) == yl(1)) + { + warning ("invalid zoom region"); + return; + } + if (push_to_zoom_stack) push_zoom_stack ();