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| author | Simon Bünzli <zeniko@gmail.com> | 2014-01-03 12:02:08 +0100 |
|---|---|---|
| committer | Robin Watts <robin.watts@artifex.com> | 2014-01-06 13:13:40 +0000 |
| commit | 833c6a84bd7edf531b6074e9e13dd5ae57f21f12 (patch) | |
| tree | e7c12e014570ce7f865a8a719ae8b0da7d9ad71c /source/fitz/filter-jbig2.c | |
| parent | c3a3103636764aa14ec97c340681ff6cbc63d10d (diff) | |
| download | mupdf-833c6a84bd7edf531b6074e9e13dd5ae57f21f12.tar.xz | |
show jbig2dec warnings/errors in stderr
This helps debugging issues with JBIG2 images.
Conflicts:
source/fitz/filter-jbig2.c
Diffstat (limited to 'source/fitz/filter-jbig2.c')
| -rw-r--r-- | source/fitz/filter-jbig2.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/source/fitz/filter-jbig2.c b/source/fitz/filter-jbig2.c index d3d5c5fa..2771d070 100644 --- a/source/fitz/filter-jbig2.c +++ b/source/fitz/filter-jbig2.c @@ -70,6 +70,17 @@ rebind_jbig2d(fz_stream *s) return state->chain; } +static int +error_callback(void *data, const char *msg, Jbig2Severity severity, int32_t seg_idx) +{ + fz_context *ctx = data; + if (severity == JBIG2_SEVERITY_FATAL) + fz_warn(ctx, "jbig2dec error: %s (segment %d)", msg, seg_idx); + else if (severity == JBIG2_SEVERITY_WARNING) + fz_warn(ctx, "jbig2dec warning: %s (segment %d)", msg, seg_idx); + return 0; +} + fz_stream * fz_open_jbig2d(fz_stream *chain, fz_buffer *globals) { @@ -84,7 +95,7 @@ fz_open_jbig2d(fz_stream *chain, fz_buffer *globals) state->ctx = NULL; state->gctx = NULL; state->chain = chain; - state->ctx = jbig2_ctx_new(NULL, JBIG2_OPTIONS_EMBEDDED, NULL, NULL, NULL); + state->ctx = jbig2_ctx_new(NULL, JBIG2_OPTIONS_EMBEDDED, NULL, error_callback, ctx); state->page = NULL; state->idx = 0; @@ -92,7 +103,7 @@ fz_open_jbig2d(fz_stream *chain, fz_buffer *globals) { jbig2_data_in(state->ctx, globals->data, globals->len); state->gctx = jbig2_make_global_ctx(state->ctx); - state->ctx = jbig2_ctx_new(NULL, JBIG2_OPTIONS_EMBEDDED, state->gctx, NULL, NULL); + state->ctx = jbig2_ctx_new(NULL, JBIG2_OPTIONS_EMBEDDED, state->gctx, error_callback, ctx); } } fz_catch(ctx) |