Split out option handling into its own file.

1 files changed, 45 insertions, 0 deletions

diff --git a/options.h b/options.h
new file mode 100644
index 0000000..6f1b2f8
--- /dev/null
+++ b/options.h
@@ -0,0 +1,45 @@
+/*********************************************************************
+ * kd-forest                                                         *
+ * Copyright (C) 2014 Tavian Barnes <tavianator@tavianator.com>      *
+ *                                                                   *
+ * This program is free software. It comes without any warranty, to  *
+ * the extent permitted by applicable law. You can redistribute it   *
+ * and/or modify it under the terms of the Do What The Fuck You Want *
+ * To Public License, Version 2, as published by Sam Hocevar. See    *
+ * the COPYING file or http://www.wtfpl.net/ for more details.       *
+ *********************************************************************/
+
+#ifndef OPTIONS_H
+#define OPTIONS_H
+
+#include <stdbool.h>
+#include <stdio.h>
+
+// Possible generation modes
+typedef enum {
+  MODE_HUE_SORT,
+  MODE_RANDOM,
+} mode_t;
+
+// Possible color spaces
+typedef enum {
+  COLOR_SPACE_RGB,
+  COLOR_SPACE_LAB,
+  COLOR_SPACE_LUV,
+} color_space_t;
+
+// Command-line options
+typedef struct {
+  unsigned int bit_depth;
+  mode_t mode;
+  color_space_t color_space;
+  bool animate;
+  const char *filename;
+  unsigned int seed;
+  bool help;
+} options_t;
+
+bool parse_options(options_t *options, int argc, char *argv[]);
+void print_usage(FILE *file, const char *command);
+
+#endif // OPTIONS_H