1 files changed, 35 insertions, 0 deletions
diff --git a/include/libsldj/util.h b/include/libsldj/util.h
new file mode 100644
index 0000000..fd89d1c
--- /dev/null
+++ b/include/libsldj/util.h
@@ -0,0 +1,35 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+
+#ifndef UTIL_H
+#define UTIL_H
+
+#define SET_BIT(b, n) (b | (0x1 << n))
+#define CLEAR_BIT(b, n) (b & ~(0x1 << n))
+#define IS_BIT_SET(b, n) ((b >> n) & 0x1)
+#define TOGGLE_BIT(b, n) (b ^ (0x1 << n))
+#define HAS_FLAG(v, f) ((v & f) == f)
+
+// Just the same color structure as the raylib name.
+#ifndef RL_COLOR_TYPE
+#define RL_COLOR_TYPE
+typedef struct Color {
+    unsigned char r;
+    unsigned char g;
+    unsigned char b;
+    unsigned char a;
+} Color;
+#endif
+
+// Used for sending information to a scanner.
+typedef struct SldjContext {
+    uint16_t viewportWidth;
+    uint16_t viewportHeight;
+    uint8_t targetFps;
+    uint16_t xCount;
+    uint16_t yCount;
+} SldjContext;
+
+#endif
+