From 7ef4a06defdd57956655c6e5145bb46faddf8a96 Mon Sep 17 00:00:00 2001 From: Přemysl Eric Janouch Date: Wed, 10 Nov 2021 00:45:36 +0100 Subject: Improve librsvg integration Let it load external s and not rescale images. --- fastiv-io.c | 17 +++++++++++------ fastiv-io.h | 2 +- 2 files changed, 12 insertions(+), 7 deletions(-) diff --git a/fastiv-io.c b/fastiv-io.c index 14f4e3b..172bddb 100644 --- a/fastiv-io.c +++ b/fastiv-io.c @@ -400,10 +400,14 @@ open_libraw(const gchar *data, gsize len, GError **error) // FIXME: librsvg rasterizes filters, so this method isn't fully appropriate. static cairo_surface_t * -open_librsvg(const gchar *data, gsize len, GError **error) +open_librsvg(const gchar *data, gsize len, const gchar *path, GError **error) { - RsvgHandle *handle = - rsvg_handle_new_from_data((const guint8 *) data, len, error); + GFile *base_file = g_file_new_for_path(path); + GInputStream *is = g_memory_input_stream_new_from_data(data, len, NULL); + RsvgHandle *handle = rsvg_handle_new_from_stream_sync(is, base_file, + RSVG_HANDLE_FLAG_KEEP_IMAGE_DATA, NULL, error); + g_object_unref(base_file); + g_object_unref(is); if (!handle) return NULL; @@ -481,13 +485,14 @@ fastiv_io_open(const gchar *path, GError **error) if (!g_file_get_contents(path, &data, &len, error)) return NULL; - cairo_surface_t *surface = fastiv_io_open_from_data(data, len, error); + cairo_surface_t *surface = fastiv_io_open_from_data(data, len, path, error); free(data); return surface; } cairo_surface_t * -fastiv_io_open_from_data(const char *data, size_t len, GError **error) +fastiv_io_open_from_data(const char *data, size_t len, const gchar *path, + GError **error) { wuffs_base__slice_u8 prefix = wuffs_base__make_slice_u8((uint8_t *) data, len); @@ -524,7 +529,7 @@ fastiv_io_open_from_data(const char *data, size_t len, GError **error) g_clear_error(error); #endif // HAVE_LIBRAW --------------------------------------------------------- #ifdef HAVE_LIBRSVG // -------------------------------------------------------- - if ((surface = open_librsvg(data, len, error))) + if ((surface = open_librsvg(data, len, path, error))) break; // XXX: It doesn't look like librsvg can return sensible errors. diff --git a/fastiv-io.h b/fastiv-io.h index 616bfc8..6275bc2 100644 --- a/fastiv-io.h +++ b/fastiv-io.h @@ -24,5 +24,5 @@ extern const char *fastiv_io_supported_media_types[]; cairo_surface_t *fastiv_io_open(const gchar *path, GError **error); cairo_surface_t *fastiv_io_open_from_data( - const char *data, size_t len, GError **error); + const char *data, size_t len, const gchar *path, GError **error); cairo_surface_t *fastiv_io_lookup_thumbnail(const gchar *target); -- cgit v1.2.3-70-g09d2