1 files changed, 75 insertions, 0 deletions
diff --git a/types-ramps.h b/types-ramps.h
new file mode 100644
index 0000000..e8e6956
--- /dev/null
+++ b/types-ramps.h
@@ -0,0 +1,75 @@
+/* See LICENSE file for copyright and license details. */
+#ifndef TYPES_RAMPS_H
+#define TYPES_RAMPS_H
+
+#include <libgamma.h>
+
+#ifndef GCC_ONLY
+# if defined(__GNUC__) && !defined(__clang__)
+#  define GCC_ONLY(...) __VA_ARGS__
+# else
+#  define GCC_ONLY(...) /* nothing */
+# endif
+#endif
+
+/**
+ * Gamma ramps union for all
+ * lbigamma gamma ramps types
+ */
+union gamma_ramps {
+	/**
+	 * Ramps with 8-bit value
+	 */
+	libgamma_gamma_ramps8_t u8;
+
+	/**
+	 * Ramps with 16-bit value
+	 */
+	libgamma_gamma_ramps16_t u16;
+
+	/**
+	 * Ramps with 32-bit value
+	 */
+	libgamma_gamma_ramps32_t u32;
+
+	/**
+	 * Ramps with 64-bit value
+	 */
+	libgamma_gamma_ramps64_t u64;
+
+	/**
+	 * Ramps with `float` value
+	 */
+	libgamma_gamma_rampsf_t f;
+
+	/**
+	 * Ramps with `double` value
+	 */
+	libgamma_gamma_rampsd_t d;
+};
+
+/**
+ * Marshal a ramp trio
+ * 
+ * @param   this        The ramps
+ * @param   buf         Output buffer for the marshalled ramps,
+ *                      `NULL` just measure how large the buffers
+ *                      needs to be
+ * @param   ramps_size  The byte-size of ramps
+ * @return              The number of marshalled byte
+ */
+GCC_ONLY(__attribute__((__nonnull__(1))))
+size_t gamma_ramps_marshal(const union gamma_ramps *restrict this, void *restrict buf, size_t ramps_size);
+
+/**
+ * Unmarshal a ramp trio
+ * 
+ * @param   this        Output for the ramps
+ * @param   buf         Buffer with the marshalled ramps
+ * @param   ramps_size  The byte-size of ramps
+ * @return              The number of unmarshalled bytes, 0 on error
+ */
+GCC_ONLY(__attribute__((__nonnull__)))
+size_t gamma_ramps_unmarshal(union gamma_ramps *restrict this, const void *restrict buf, size_t ramps_size);
+
+#endif