diff options
Diffstat (limited to 'source/pdf/pdf-resources.c')
-rw-r--r-- | source/pdf/pdf-resources.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/source/pdf/pdf-resources.c b/source/pdf/pdf-resources.c index 212c57df..b66c0a23 100644 --- a/source/pdf/pdf-resources.c +++ b/source/pdf/pdf-resources.c @@ -27,10 +27,18 @@ res_image_get_md5(fz_context *ctx, fz_image *image, unsigned char *digest) { fz_pixmap *pixmap; fz_md5 state; + int h; + unsigned char *d; pixmap = fz_get_pixmap_from_image(ctx, image, NULL, NULL, 0, 0); fz_md5_init(&state); - fz_md5_update(&state, pixmap->samples, pixmap->w * pixmap->h * pixmap->n); + d = pixmap->samples; + h = pixmap->h; + while (h--) + { + fz_md5_update(&state, d, pixmap->w * pixmap->n); + d += pixmap->stride; + } fz_md5_final(&state, digest); fz_drop_pixmap(ctx, pixmap); } |