Make isogfx a library instead of an executable.

1 files changed, 22 insertions, 0 deletions

diff --git a/gfx-iso/include/isogfx/app.h b/gfx-iso/include/isogfx/app.h
new file mode 100644
index 0000000..0a0fcc1
--- /dev/null
+++ b/gfx-iso/include/isogfx/app.h
@@ -0,0 +1,22 @@
+#pragma once
+
+#include <gfx/gfx_app.h>
+
+#include <stdbool.h>
+
+typedef struct IsoGfx    IsoGfx;
+typedef struct IsoGfxApp IsoGfxApp;
+
+typedef struct IsoGfxAppState IsoGfxAppState;
+
+typedef struct IsoGfxApp {
+  int             pixel_scale; // 0 or 1 for 1:1 scale.
+  IsoGfxAppState* state;
+
+  bool (*init)(IsoGfxAppState*, IsoGfx*, int argc, const char** argv);
+  void (*shutdown)(IsoGfxAppState*, IsoGfx*);
+  void (*update)(IsoGfxAppState*, IsoGfx*, double t, double dt);
+  void (*render)(IsoGfxAppState*, IsoGfx*);
+} IsoGfxApp;
+
+void iso_run(int argc, const char** argv, IsoGfxApp*);