[gtk/image-loading: 6/14] Load tiffs without gdk-pixbuf

[Matthias Clasen <matthiasc src gnome org>]

commit 9ed4ee57637ed6b0d09b481a54f4b61988eb8c9a
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Sep 11 16:30:37 2021 -0400

    Load tiffs without gdk-pixbuf
    
    This will let us load floating point data, in
    the future.

 gdk/gdktexture.c | 4 ++++
 1 file changed, 4 insertions(+)
---
diff --git a/gdk/gdktexture.c b/gdk/gdktexture.c
index a0e7d7121f..1b6be445f2 100644
--- a/gdk/gdktexture.c
+++ b/gdk/gdktexture.c
@@ -47,6 +47,7 @@
 
 #include <graphene.h>
 #include "loaders/gdkpngprivate.h"
+#include "loaders/gdktiffprivate.h"
 
 /* HACK: So we don't need to include any (not-yet-created) GSK or GTK headers */
 void
@@ -399,6 +400,9 @@ gdk_texture_new_from_file (GFile   *file,
 
   if (memcmp (data, PNG_SIGNATURE, strlen (PNG_SIGNATURE)) == 0)
     texture = gdk_load_png (bytes, error);
+  else if (memcmp (data, TIFF_SIGNATURE1, strlen (TIFF_SIGNATURE1)) == 0 ||
+           memcmp (data, TIFF_SIGNATURE2, strlen (TIFF_SIGNATURE2)) == 0)
+      texture = gdk_load_tiff (bytes, error);
   else
     {
       GInputStream *stream = NULL;