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Load back wide thumbnail metadata

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This commit is contained in:
Přemysl Eric Janouch
2021-12-28 19:37:15 +01:00
parent 2d86ffed34
commit c1af556751
2 changed files with 11 additions and 1 deletions
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10
fiv-io.c
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@@ -1718,6 +1718,7 @@ open_libwebp(const gchar *data, gsize len, const gchar *path,
}
// Releasing the demux chunk iterator is actually a no-op.
// TODO(p): Avoid copy-pasting the chunk transfer code.
WebPChunkIterator chunk_iter = {};
uint32_t flags = WebPDemuxGetI(demux, WEBP_FF_FORMAT_FLAGS);
if ((flags & EXIF_FLAG) &&
@@ -1741,6 +1742,12 @@ open_libwebp(const gchar *data, gsize len, const gchar *path,
(cairo_destroy_func_t) g_bytes_unref);
WebPDemuxReleaseChunkIterator(&chunk_iter);
}
if (WebPDemuxGetChunk(demux, "THUM", 1, &chunk_iter)) {
cairo_surface_set_user_data(result, &fiv_io_key_thum,
g_bytes_new(chunk_iter.chunk.bytes, chunk_iter.chunk.size),
(cairo_destroy_func_t) g_bytes_unref);
WebPDemuxReleaseChunkIterator(&chunk_iter);
}
if (flags & ANIMATION_FLAG) {
cairo_surface_set_user_data(result, &fiv_io_key_loops,
(void *) (uintptr_t) WebPDemuxGetI(demux, WEBP_FF_LOOP_COUNT),
@@ -2280,6 +2287,7 @@ cairo_user_data_key_t fiv_io_key_exif;
cairo_user_data_key_t fiv_io_key_orientation;
cairo_user_data_key_t fiv_io_key_icc;
cairo_user_data_key_t fiv_io_key_xmp;
cairo_user_data_key_t fiv_io_key_thum;
cairo_user_data_key_t fiv_io_key_frame_next;
cairo_user_data_key_t fiv_io_key_frame_previous;
@@ -2981,7 +2989,7 @@ static cairo_surface_t *
read_wide_thumbnail(
const gchar *path, const gchar *uri, time_t mtime, GError **error)
{
// TODO(p): Validate.
// TODO(p): Validate fiv_io_key_thum.
(void) uri;
(void) mtime;
return fiv_io_open(path, NULL, FALSE, error);