diff options
| author | Bent Bisballe Nyeng <deva@aasimon.org> | 2017-07-14 20:11:06 +0200 |
|---|---|---|
| committer | Bent Bisballe Nyeng <deva@aasimon.org> | 2017-07-14 20:11:06 +0200 |
| commit | e248432d2a100804aa6e769a55055d3a5fcb6307 (patch) | |
| tree | fb75cea0e6136eed393a5052ac52ddc3aa2155c6 /plugingui/nativewindow_x11.cc | |
| parent | e3e60b52b4e6ea35f60eb745cae2d2b1ad236874 (diff) | |
Fix X11 BadValue crash bug.
Diffstat (limited to 'plugingui/nativewindow_x11.cc')
| -rw-r--r-- | plugingui/nativewindow_x11.cc | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/plugingui/nativewindow_x11.cc b/plugingui/nativewindow_x11.cc index bc9091d..70053ca 100644 --- a/plugingui/nativewindow_x11.cc +++ b/plugingui/nativewindow_x11.cc @@ -249,6 +249,17 @@ void NativeWindowX11::redraw(const Rect& dirty_rect) auto x2 = dirty_rect.x2; auto y2 = dirty_rect.y2; + // Make sure we don't try to paint a rect backwards. + if(x1 > x2) + { + std::swap(x1, x2); + } + + if(y1 > y2) + { + std::swap(y1, y2); + } + updateImageFromBuffer(x1, y1, x2, y2); XShmPutImage(display, xwindow, gc, image, x1, y1, x1, y1, |