1 files changed, 29 insertions, 0 deletions
diff --git a/libgamma_value_of_subpixel_order.c b/libgamma_value_of_subpixel_order.c
new file mode 100644
index 0000000..02a1fa7
--- /dev/null
+++ b/libgamma_value_of_subpixel_order.c
@@ -0,0 +1,29 @@
+/* See LICENSE file for copyright and license details. */
+#include "common.h"
+
+
+/**
+ * Get the value of a subpixel order
+ * 
+ * @param   order  The name of the subpixel order, for example
+ *                 "Horizontal RGB" or "LIBGAMMA_SUBPIXEL_ORDER_HORIZONTAL_RGB"
+ * @return         The subpixel order; for example `LIBGAMMA_SUBPIXEL_ORDER_HORIZONTAL_RGB`
+ *                 for "Horizontal RGB" and "LIBGAMMA_SUBPIXEL_ORDER_HORIZONTAL_RGB"
+ */
+int
+libgamma_value_of_subpixel_order(const char *order)
+{
+#define X(CONST, NAME)\
+	if (!strcmp(order, NAME))\
+		return CONST;
+	LIST_SUBPIXEL_ORDERS(X)
+#undef X
+
+#define X(CONST, NAME)\
+	if (!strcmp(order, #CONST))\
+		return CONST;
+	LIST_SUBPIXEL_ORDERS(X)
+#undef X
+
+	return 0;
+}