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| author | Daniel Silverstone <dsilvers@digital-scurf.org> | 2020-10-03 14:25:43 +0100 |
|---|---|---|
| committer | Daniel Silverstone <dsilvers@digital-scurf.org> | 2020-10-03 14:25:43 +0100 |
| commit | 58fee8749ffe41b0bb7c71456eddb808cbde8821 (patch) | |
| tree | df0d014869950c01d345ff06ec7f091feba57bb8 | |
| parent | 6848cc890a5eab8ea166b737d7f35a5b8ed94950 (diff) | |
| download | netsurf-58fee8749ffe41b0bb7c71456eddb808cbde8821.tar.gz netsurf-58fee8749ffe41b0bb7c71456eddb808cbde8821.tar.bz2 | |
gtk/bitmap: Assert surface width/height non-zero
Signed-off-by: Daniel Silverstone <dsilvers@digital-scurf.org>
| -rw-r--r-- | frontends/gtk/bitmap.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/frontends/gtk/bitmap.c b/frontends/gtk/bitmap.c index 36b614cf9..e7b859d06 100644 --- a/frontends/gtk/bitmap.c +++ b/frontends/gtk/bitmap.c @@ -478,6 +478,10 @@ bitmap_render(struct bitmap *bitmap, struct hlcache_handle *content) * aspect ratio of the required thumbnail. */ cheight = ((cwidth * dheight) + (dwidth / 2)) / dwidth; + /* At this point, we MUST have decided to render something non-zero sized */ + assert(cwidth > 0); + assert(cheight > 0); + /* Create surface to render into */ surface = cairo_surface_create_similar(dsurface, CAIRO_CONTENT_COLOR_ALPHA, cwidth, cheight); |