[tbo] Do not load empty text objects

[Daniel Garcia Moreno <danigm src gnome org>]

commit af7954ea4d0e8d487f6afd196792a816a55b63db
Author: Daniel Garcia Moreno <danigm wadobo com>
Date:   Sat Mar 30 12:24:20 2013 +0100

    Do not load empty text objects

 src/comic-load.c      |    9 ++++++++-
 src/tbo-object-text.c |    4 ++++
 2 files changed, 12 insertions(+), 1 deletions(-)
---
diff --git a/src/comic-load.c b/src/comic-load.c
index bb608db..01609af 100644
--- a/src/comic-load.c
+++ b/src/comic-load.c
@@ -270,7 +270,14 @@ text (GMarkupParseContext *context,
     if (CURRENT_TEXT)
     {
         char *text2 = g_strndup (text, text_len);
-        tbo_object_text_set_text (CURRENT_TEXT, g_strstrip (text2));
+
+        gchar *text3 =  g_strstrip (text2);
+        if (strlen(text3)) {
+            tbo_object_text_set_text (CURRENT_TEXT, text3);
+        } else {
+            tbo_frame_del_obj (CURRENT_FRAME, CURRENT_TEXT);
+            CURRENT_TEXT = NULL;
+        }
         g_free (text2);
     }
 }
diff --git a/src/tbo-object-text.c b/src/tbo-object-text.c
index 55b3e0e..fe7cc4c 100644
--- a/src/tbo-object-text.c
+++ b/src/tbo-object-text.c
@@ -42,6 +42,10 @@ draw (TboObjectBase *self, Frame *frame, cairo_t *cr)
     int w;
     int h;
 
+    if (!strlen(text)) {
+        return;
+    }
+
     gdk_cairo_set_source_color (cr, textobj->font_color);
 
     layout = pango_cairo_create_layout (cr);