1 files changed, 70 insertions, 0 deletions
diff --git a/src/cairo_bindings.c b/src/cairo_bindings.c
new file mode 100644
index 0000000..95dea92
--- /dev/null
+++ b/src/cairo_bindings.c
@@ -0,0 +1,70 @@
+#include "cairo_bindings.h"
+#include "texture.h"
+
+int honey_cairo_mt_ref = LUA_NOREF;
+
+int honey_setup_cairo(lua_State* L)
+{
+    honey_lua_create_table
+        (L, 2,
+         HONEY_TABLE, "__index", 1,
+         HONEY_FUNCTION, "getTexture", honey_cairo_get_texture,
+
+         HONEY_FUNCTION, "__gc", honey_cairo_destroy);
+    honey_cairo_mt_ref = luaL_ref(L, LUA_REGISTRYINDEX);
+
+    lua_pushcfunction(L, honey_cairo_new);
+    lua_setfield(L, -2, "cairo");
+}
+
+/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
+
+int honey_cairo_new(lua_State* L)
+{
+    int width, height;
+    honey_lua_parse_arguments(L, 1, 2, HONEY_INTEGER, &width, HONEY_INTEGER, &height);
+
+    cairo_surface_t** surface = lua_newuserdata(L, sizeof(cairo_surface_t*));
+    *surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, width, height);
+
+    cairo_status_t status = cairo_surface_status(*surface);
+    if (status != CAIRO_STATUS_SUCCESS)
+        honey_lua_throw_error
+            (L, "libcairo error: %s", cairo_status_to_string(status));
+
+    lua_rawgeti(L, LUA_REGISTRYINDEX, honey_cairo_mt_ref);
+    lua_setmetatable(L, -2);
+
+    return 1;
+}
+
+/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
+
+int honey_cairo_get_texture(lua_State* L)
+{
+    /* todo
+    cairo_surface_t** surface;
+    honey_lua_parse_arguments(L, 1, 1, HONEY_USERDATA, &surface);
+
+    unsigned char* data = cairo_image_surface_get_data(*surface);
+    honey_texture* texture = lua_newuserdata(L, sizeof(honey_texture));
+
+    glGenTextures(1, &(texture->id));
+    glBindTexture(GL_TEXTURE_2D, texture->id);
+    */
+    return 1;
+}
+
+/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
+
+int honey_cairo_destroy(lua_State* L)
+{
+    cairo_surface_t** surface;
+    honey_lua_parse_arguments(L, 1, 1, HONEY_USERDATA, &surface);
+
+    cairo_surface_destroy(*surface);
+
+    return 0;
+}
+
+/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */