1 files changed, 84 insertions, 0 deletions
diff --git a/experimental/tectonics/main.c b/experimental/tectonics/main.c
new file mode 100644
index 0000000..93b32fb
--- /dev/null
+++ b/experimental/tectonics/main.c
@@ -0,0 +1,84 @@
+#include <cairo.h>
+
+#include "tectonics.h"
+#include "drawing.h"
+#include "logging.h"
+
+#define X_RES 1024
+#define Y_RES X_RES
+
+
+int parse_options(char **output_file, int argc, char **argv);
+   
+
+int main(int argc, char **argv)
+{
+   char *output_file;
+   if (parse_options(&output_file, argc, argv))
+      return 1;
+   
+   cairo_surface_t *surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, X_RES, Y_RES);
+   cairo_t *cr = cairo_create(surface);
+
+   struct world_t world;
+   create_world(&world, 100000);
+   if (world.points == NULL)
+      return 1;
+   draw_world(cr, &world);
+   free_world(&world);
+   
+   cairo_destroy(cr);
+   cairo_surface_write_to_png(surface, "output.png");
+   cairo_surface_destroy(surface);
+   return 0;
+}
+
+
+#include <stdio.h>
+#include <unistd.h>
+
+static void print_usage(const char *progname)
+{
+   printf("Usage: %s [-c config_file] [-v[v[v]]] [-q[q[q]]] [-h] [-s script]\n"
+	  "  -v    Increase output verbosity (-vvv displays every log message)\n"
+	  "  -q    Decrease output verbosity (-qqq suppresses even fatal errors)\n"
+	  "  -c    Specify configuration file to read (default 'config.lua')\n"
+	  "  -s    Override the built-in Lua script\n"
+	  "  -h    Print this help message and exit\n",
+	  progname);	  
+}
+
+int parse_options(char **output_file, int argc, char **argv)
+{
+   int log_level = WARN;
+   *output_file = "output.png";
+   
+   int opt;
+   while ((opt = getopt(argc, argv, "qvo:h")) != -1) {
+      switch (opt) {
+      case 'q':
+	 log_level -= 1;
+	 break;
+	 
+      case 'v':
+	 log_level += 1;
+	 break;
+	 
+      case 'o':
+	 *output_file = optarg;
+
+      case 'h':
+	 print_usage(argv[0]);
+	 return 2;
+
+      default:
+	 print_usage(argv[0]);
+	 return 1;
+      }
+   }
+
+   // ew, globals (sorry)
+   global_log_level = log_level;
+
+   return 0;
+}