From fa15707d9b9aa3590facd6718df336d55f846815 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?P=C5=99emysl=20Eric=20Janouch?= Date: Fri, 10 Dec 2021 16:48:23 +0100 Subject: pnginfo: extract eXIf chunk data --- tools/pnginfo.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) (limited to 'tools/pnginfo.c') diff --git a/tools/pnginfo.c b/tools/pnginfo.c index afb3d50..41ebd9e 100644 --- a/tools/pnginfo.c +++ b/tools/pnginfo.c @@ -15,6 +15,8 @@ // CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. // +#include "info.h" + #include #include @@ -143,12 +145,16 @@ extract_chunks(png_structp pngp, png_infop infop) if (png_get_iCCP(pngp, infop, &name, NULL, &profile, &profile_len)) o = jv_object_set(o, jv_string("ICC"), jv_string(name)); + // https://ftp-osl.osuosl.org/pub/libpng/documents/pngext-1.5.0.html#C.eXIf jv set = jv_object(); png_unknown_chunkp unknowns = NULL; int unknowns_len = png_get_unknown_chunks(pngp, infop, &unknowns); - for (int i = 0; i < unknowns_len; i++) + for (int i = 0; i < unknowns_len; i++) { set = jv_object_set(set, jv_string((const char *) unknowns[i].name), jv_true()); + if (!strcmp((const char *) unknowns[i].name, "eXIf")) + o = parse_exif(o, unknowns[i].data, unknowns[i].size); + } jv a = jv_array(); jv_object_keys_foreach(set, key) @@ -227,7 +233,7 @@ error_png: fclose(fp); error: if (err) { - o = jv_object_set(o, jv_string("error"), jv_string(err)); + o = add_error(o, err); free(err); } return o; -- cgit v1.2.3