Add some functions needed fore encoding LSS16 files

Signed-off-by: Mattias Andrée <m@maandree.se>

1 files changed, 21 insertions, 0 deletions

diff --git a/liblss16_encode_strerror.c b/liblss16_encode_strerror.c
new file mode 100644
index 0000000..a5fcd49
--- /dev/null
+++ b/liblss16_encode_strerror.c
@@ -0,0 +1,21 @@
+/* See LICENSE file for copyright and license details. */
+#include "liblss16.h"
+
+
+const char *
+liblss16_encode_strerror(enum liblss16_encode_error error)
+{
+	switch (error) {
+	case LIBLSS16_ENCODE_BAD_IMAGE_SIZE:
+		return "Unencodable image: unsupported image size";
+
+	case LIBLSS16_ENCODE_BAD_COLOUR:
+		return "Invalid colour map: 6-bit colours encoded with additional bits";
+
+	case LIBLSS16_ENCODE_BAD_COLOUR_INDEX:
+		return "Invalid image: colour index out of range";
+
+	default:
+		return "Unrecognised error";
+	}
+}