Cleanup of gradients and stops.

(bzr r9163)

1 files changed, 66 insertions, 0 deletions

diff --git a/src/sp-stop.cpp b/src/sp-stop.cpp
new file mode 100644
index 000000000..740cfef78
--- /dev/null
+++ b/src/sp-stop.cpp
@@ -0,0 +1,66 @@
+/** @file
+ * @gradient stop class.
+ */
+/* Authors:
+ *   Lauris Kaplinski <lauris@kaplinski.com>
+ *   bulia byak
+ *   Johan Engelen <j.b.c.engelen@ewi.utwente.nl>
+ *   Jon A. Cruz <jon@joncruz.org>
+ *
+ * Copyright (C) 1999,2005 authors
+ * Copyright (C) 2010 Jon A. Cruz
+ *
+ * Released under GNU GPL, read the file 'COPYING' for more information
+ */
+
+
+#include "sp-stop.h"
+
+
+// A stop might have some non-stop siblings
+SPStop* SPStop::getNextStop()
+{
+    SPStop *result = 0;
+
+    for (SPObject* obj = getNext(); obj && !result; obj = obj->getNext()) {
+        if (SP_IS_STOP(obj)) {
+            result = SP_STOP(obj);
+        }
+    }
+
+    return result;
+}
+
+SPStop* SPStop::getPrevStop()
+{
+    SPStop *result = 0;
+
+    for (SPObject* obj = getPrev(); obj; obj = obj->getPrev()) {
+        // The closest previous SPObject that is an SPStop *should* be ourself.
+        if (SP_IS_STOP(obj)) {
+            SPStop* stop = SP_STOP(obj);
+            // Sanity check to ensure we have a proper sibling structure.
+            if (stop->getNextStop() == this) {
+                result = stop;
+            } else {
+                g_warning("SPStop previous/next relationship broken");
+            }
+            break;
+        }
+    }
+
+    return result;
+}
+
+
+
+/*
+  Local Variables:
+  mode:c++
+  c-file-style:"stroustrup"
+  c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+  indent-tabs-mode:nil
+  fill-column:99
+  End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :