diff options
Diffstat (limited to 'draw/imageunpack.c')
-rw-r--r-- | draw/imageunpack.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/draw/imageunpack.c b/draw/imageunpack.c index 4465d587..bbc22c70 100644 --- a/draw/imageunpack.c +++ b/draw/imageunpack.c @@ -199,7 +199,7 @@ fz_decodetile(fz_pixmap *pix, float *decode) int mul[FZ_MAXCOLORS]; unsigned char *p = pix->samples; int len = pix->w * pix->h; - int n = pix->n - 1; + int n = MAX(1, pix->n - 1); int needed; int k; @@ -220,6 +220,6 @@ fz_decodetile(fz_pixmap *pix, float *decode) { for (k = 0; k < n; k++) p[k] = add[k] + fz_mul255(p[k], mul[k]); - p += n + 1; + p += pix->n; } } |