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-rw-r--r--fastiv-io.c33
1 files changed, 33 insertions, 0 deletions
diff --git a/fastiv-io.c b/fastiv-io.c
index 66b7010..a1811a7 100644
--- a/fastiv-io.c
+++ b/fastiv-io.c
@@ -26,6 +26,10 @@
#ifdef HAVE_LIBRSVG
#include <librsvg/rsvg.h>
#endif // HAVE_LIBRSVG
+#ifdef HAVE_GDKPIXBUF
+#include <gdk/gdk.h>
+#include <gdk-pixbuf/gdk-pixbuf.h>
+#endif // HAVE_GDKPIXBUF
#define WUFFS_IMPLEMENTATION
#define WUFFS_CONFIG__MODULES
@@ -479,6 +483,24 @@ open_librsvg(const gchar *data, gsize len, const gchar *path, GError **error)
}
#endif // HAVE_LIBRSVG --------------------------------------------------------
+#ifdef HAVE_GDKPIXBUF // ------------------------------------------------------
+
+static cairo_surface_t *
+open_gdkpixbuf(const gchar *data, gsize len, GError **error)
+{
+ GInputStream *is = g_memory_input_stream_new_from_data(data, len, NULL);
+ GdkPixbuf *pixbuf = gdk_pixbuf_new_from_stream(is, NULL, error);
+ g_object_unref(is);
+ if (!pixbuf)
+ return NULL;
+
+ cairo_surface_t *surface =
+ gdk_cairo_surface_create_from_pixbuf(pixbuf, 1, NULL);
+ g_object_unref(pixbuf);
+ return surface;
+}
+
+#endif // HAVE_GDKPIXBUF ------------------------------------------------------
cairo_surface_t *
fastiv_io_open(const gchar *path, GError **error)
@@ -550,6 +572,17 @@ fastiv_io_open_from_data(const char *data, size_t len, const gchar *path,
g_clear_error(error);
}
#endif // HAVE_LIBRSVG --------------------------------------------------------
+#ifdef HAVE_GDKPIXBUF // ------------------------------------------------------
+ // This is only used as a last resort, the rest above is special-cased.
+ if ((surface = open_gdkpixbuf(data, len, error)) ||
+ (error && (*error)->code != GDK_PIXBUF_ERROR_UNKNOWN_TYPE))
+ break;
+
+ if (error) {
+ g_debug("%s", (*error)->message);
+ g_clear_error(error);
+ }
+#endif // HAVE_GDKPIXBUF ------------------------------------------------------
// TODO(p): Integrate gdk-pixbuf as a fallback (optional dependency).
set_error(error, "unsupported file type");