From 6656f52959e7134ec8e76bfaa0b8b77d9f5d8d52 Mon Sep 17 00:00:00 2001
From: Gergely Polonkai <gergely@polonkai.eu>
Date: Sat, 27 Sep 2014 22:44:21 +0200
Subject: [PATCH] Add a built-in, hidden display theme for the preview images

It contains only the Sun, with no aspects nor antiscia
---
 src/ag-display-theme.c | 26 ++++++++++++++++++++++++++
 src/ag-display-theme.h |  2 ++
 2 files changed, 28 insertions(+)

diff --git a/src/ag-display-theme.c b/src/ag-display-theme.c
index c0a08bd..e1f32e6 100644
--- a/src/ag-display-theme.c
+++ b/src/ag-display-theme.c
@@ -35,6 +35,8 @@ static gchar          *builtin_theme_name[AG_DISPLAY_THEME_COUNT] = {
     NC_("Display theme name", "No comets"),
 };
 
+static AgDisplayTheme *preview_theme = NULL;
+
 gchar *
 ag_display_theme_to_css(AgDisplayTheme *theme)
 {
@@ -337,3 +339,27 @@ ag_display_theme_free(AgDisplayTheme *display_theme)
     g_list_free(display_theme->antiscia);
     g_free(display_theme);
 }
+
+AgDisplayTheme *
+ag_display_theme_get_preview_theme(void)
+{
+    if (!preview_theme) {
+        preview_theme           = g_new0(AgDisplayTheme, 1);
+        preview_theme->id       = 0;
+        preview_theme->name             = "Preview theme";
+        preview_theme->builtin          = TRUE;
+        preview_theme->planets_include  = TRUE;
+        preview_theme->planets          = NULL;
+        preview_theme->aspects_include  = TRUE;
+        preview_theme->aspects          = NULL;
+        preview_theme->antiscia_include = TRUE;
+        preview_theme->antiscia         = NULL;
+
+        preview_theme->planets = g_list_prepend(
+                preview_theme->planets,
+                GINT_TO_POINTER(GSWE_PLANET_SUN)
+            );
+    }
+
+    return preview_theme;
+}
diff --git a/src/ag-display-theme.h b/src/ag-display-theme.h
index 2541530..f554219 100644
--- a/src/ag-display-theme.h
+++ b/src/ag-display-theme.h
@@ -49,4 +49,6 @@ GList *ag_display_theme_get_list(void);
 
 void ag_display_theme_free(AgDisplayTheme *display_theme);
 
+AgDisplayTheme *ag_display_theme_get_preview_theme(void);
+
 #endif /* __AG_DISPLAY_THEME_H__ */