[gnome-software] epiphany: Rescale the icon to 64x64 if a different size is specified

[Richard Hughes <rhughes src gnome org>]

commit 64ce8e8060038713a33284842c7c99665b3b3030
Author: Richard Hughes <richard hughsie com>
Date:   Fri Oct 18 15:28:59 2013 +0100

    epiphany: Rescale the icon to 64x64 if a different size is specified

 src/plugins/gs-plugin-epiphany.c |   34 +++++++++++++++++++++++++++++-----
 1 files changed, 29 insertions(+), 5 deletions(-)
---
diff --git a/src/plugins/gs-plugin-epiphany.c b/src/plugins/gs-plugin-epiphany.c
index 52da747..1e83d48 100644
--- a/src/plugins/gs-plugin-epiphany.c
+++ b/src/plugins/gs-plugin-epiphany.c
@@ -487,6 +487,9 @@ out:
 static gboolean
 gs_plugin_epiphany_download (GsPlugin *plugin, const gchar *uri, const gchar *filename, GError **error)
 {
+       GInputStream *stream = NULL;
+       GdkPixbuf *pixbuf = NULL;
+       GdkPixbuf *pixbuf_new = NULL;
        SoupMessage *msg = NULL;
        gboolean ret = TRUE;
        guint status_code;
@@ -511,14 +514,35 @@ gs_plugin_epiphany_download (GsPlugin *plugin, const gchar *uri, const gchar *fi
                goto out;
        }
 
-       /* process the tab-delimited data */
-       ret = g_file_set_contents (filename,
-                                  msg->response_body->data,
-                                  msg->response_body->length,
-                                  error);
+       /* we're assuming this is a 64x64 png file, resize if not */
+       stream = g_memory_input_stream_new_from_data (msg->response_body->data,
+                                                     msg->response_body->length,
+                                                     NULL);
+       pixbuf = gdk_pixbuf_new_from_stream (stream, NULL, error);
+       if (pixbuf == NULL) {
+               ret = FALSE;
+               goto out;
+       }
+       if (gdk_pixbuf_get_height (pixbuf) == 64 &&
+           gdk_pixbuf_get_width (pixbuf) == 64) {
+               pixbuf_new = g_object_ref (pixbuf);
+       } else {
+               pixbuf_new = gdk_pixbuf_scale_simple (pixbuf, 64, 64,
+                                                     GDK_INTERP_BILINEAR);
+       }
+
+       /* write file */
+       ret = gdk_pixbuf_save (pixbuf_new, filename, "png", error, NULL);
        if (!ret)
                goto out;
+
 out:
+       if (stream != NULL)
+               g_object_unref (stream);
+       if (pixbuf_new != NULL)
+               g_object_unref (pixbuf_new);
+       if (pixbuf != NULL)
+               g_object_unref (pixbuf);
        if (msg != NULL)
                g_object_unref (msg);
        return ret;