diff options
Diffstat (limited to 'src/gd_gif_out.c')
-rw-r--r-- | src/gd_gif_out.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/gd_gif_out.c b/src/gd_gif_out.c index f1d73fd..526a221 100644 --- a/src/gd_gif_out.c +++ b/src/gd_gif_out.c @@ -745,6 +745,8 @@ break_top: /* Then the bottom row */ for (y = tim->sy - 1; y > min_y; --y) { for (x = 0; x < tim->sx; ++x) { + if (!gdImageBoundsSafe(prev_tim, x,y)) + continue; if (!comparewithmap (prev_tim, tim, prev_tim->pixels[y][x], @@ -766,6 +768,8 @@ break_bot: /* left side */ for (x = 0; x < min_x; ++x) { for (y = min_y; y <= max_y; ++y) { + if (!gdImageBoundsSafe(prev_tim, x,y)) + continue; if (!comparewithmap (prev_tim, tim, prev_tim->pixels[y][x], @@ -781,6 +785,8 @@ break_left: /* right side */ for (x = tim->sx - 1; x > max_x; --x) { for (y = min_y; y <= max_y; ++y) { + if (!gdImageBoundsSafe(prev_tim, x,y)) + continue; if (!comparewithmap (prev_tim, tim, prev_tim->pixels[y][x], |