1 files changed, 133 insertions, 0 deletions
diff --git a/src/st/st-icon-colors.c b/src/st/st-icon-colors.c
new file mode 100644
index 0000000..c6a082a
--- /dev/null
+++ b/src/st/st-icon-colors.c
@@ -0,0 +1,133 @@
+/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
+/*
+ * st-icon-colors.c: Colors for colorizing a symbolic icon
+ *
+ * Copyright 2010 Red Hat, Inc.
+ * Copyright 2010 Florian Müllner
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation, either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "st-icon-colors.h"
+
+/**
+ * st_icon_colors_new:
+ *
+ * Creates a new #StIconColors. All colors are initialized to transparent black.
+ *
+ * Returns: a newly created #StIconColors. Free with st_icon_colors_unref()
+ */
+StIconColors *
+st_icon_colors_new (void)
+{
+  StIconColors *colors;
+
+  colors = g_new0 (StIconColors, 1);
+  colors->ref_count = 1;
+
+  return colors;
+}
+
+/**
+ * st_icon_colors_ref:
+ * @colors: a #StIconColors
+ *
+ * Atomically increments the reference count of @colors by one.
+ *
+ * Returns: the passed in #StIconColors.
+ */
+StIconColors *
+st_icon_colors_ref (StIconColors *colors)
+{
+  g_return_val_if_fail (colors != NULL, NULL);
+  g_return_val_if_fail (colors->ref_count > 0, colors);
+
+  g_atomic_int_inc ((volatile int *)&colors->ref_count);
+  return colors;
+}
+
+/**
+ * st_icon_colors_unref:
+ * @colors: a #StIconColors
+ *
+ * Atomically decrements the reference count of @colors by one.
+ * If the reference count drops to 0, all memory allocated by the
+ * #StIconColors is released.
+ */
+void
+st_icon_colors_unref (StIconColors *colors)
+{
+  g_return_if_fail (colors != NULL);
+  g_return_if_fail (colors->ref_count > 0);
+
+  if (g_atomic_int_dec_and_test ((volatile int *)&colors->ref_count))
+    g_free (colors);
+}
+
+/**
+ * st_icon_colors_copy:
+ * @colors: a #StIconColors
+ *
+ * Creates a new StIconColors structure that is a copy of the passed
+ * in @colors. You would use this function instead of st_icon_colors_ref()
+ * if you were planning to change colors in the result.
+ *
+ * Returns: a newly created #StIconColors.
+ */
+StIconColors *
+st_icon_colors_copy (StIconColors *colors)
+{
+  StIconColors *copy;
+
+  g_return_val_if_fail (colors != NULL, NULL);
+
+  copy = st_icon_colors_new ();
+
+  copy->foreground = colors->foreground;
+  copy->warning = colors->warning;
+  copy->error = colors->error;
+  copy->success = colors->success;
+
+  return copy;
+}
+
+/**
+ * st_icon_colors_equal:
+ * @colors: a #StIconColors
+ * @other: another #StIconColors
+ *
+ * Check if two #StIconColors objects are identical.
+ *
+ * Returns: %TRUE if the #StIconColors are equal
+ */
+gboolean
+st_icon_colors_equal (StIconColors *colors,
+                      StIconColors *other)
+{
+  if (colors == other)
+    return TRUE;
+
+  if (colors == NULL || other == NULL)
+    return FALSE;
+
+  return clutter_color_equal (&colors->foreground, &other->foreground) &&
+         clutter_color_equal (&colors->warning, &other->warning) &&
+         clutter_color_equal (&colors->error, &other->error) &&
+         clutter_color_equal (&colors->success, &other->success);
+}
+
+G_DEFINE_BOXED_TYPE (StIconColors,
+                     st_icon_colors,
+                     st_icon_colors_ref,
+                     st_icon_colors_unref)