add SPLITCOLOR15 and 16

1 files changed, 17 insertions, 4 deletions

diff --git a/common/defines.h b/common/defines.h
index cae15fc7..657f9e20 100644
--- a/common/defines.h
+++ b/common/defines.h
@@ -63,14 +63,27 @@
 #define COLOR15(r, g, b) ((((r) >> 3) << 10) | (((g) >> 3) << 5) | ((b) >> 3))
 #define COLOR16(r, g, b) ((((r) >> 3) << 11) | (((g) >> 2) << 5) | ((b) >> 3))
 #define COLOR24(r, g, b) ((r) | ((g) << 8) | ((b) << 16))
+#define SPLITCOLOR15(r, g, b, c) \
+{ \
+  r = (((c) >> 7) & 0xf8) | (((c) >> 12) & 0x7); \
+  g = (((c) >> 2) & 0xf8) | (((c) >>  8) & 0x7); \
+  b = (((c) << 3) & 0xf8) | (((c) >>  2) & 0x7); \
+}
+#define SPLITCOLOR16(r, g, b, c) \
+{ \
+  r = (((c) >> 8) & 0xf8) | (((c) >> 13) & 0x7); \
+  g = (((c) >> 3) & 0xfc) | (((c) >>  9) & 0x3); \
+  b = (((c) << 3) & 0xf8) | (((c) >>  2) & 0x7); \
+}
 #define SPLITCOLOR32(r, g, b, c) \
 { \
-  r = (c >> 16) & 0xff; \
-  g = (c >> 8) & 0xff; \
-  b = c & 0xff; \
+  r = ((c) >> 16) & 0xff; \
+  g = ((c) >> 8) & 0xff; \
+  b = (c) & 0xff; \
 }
 /* font macros */
-#define FONT_DATASIZE(f) ((((f)->height * (((f)->width + 7) / 8)) + 3) & ~3);
+#define FONT_DATASIZE(f) \
+  ((((f)->height * (((f)->width + 7) / 8)) + 3) & ~3);
 /* use crc for bitmap cache lookups */
 #define USE_CRC