1 files changed, 34 insertions, 0 deletions
diff --git a/pygame/mask.h b/pygame/mask.h
new file mode 100755
index 0000000..169615f
--- /dev/null
+++ b/pygame/mask.h
@@ -0,0 +1,34 @@
+#include <Python.h>
+#include "bitmask.h"
+
+#define PYGAMEAPI_MASK_NUMSLOTS 1
+#define PYGAMEAPI_LOCAL_ENTRY "_PYGAME_C_API"
+
+typedef struct {
+  PyObject_HEAD
+  bitmask_t *mask;
+} PyMaskObject;
+
+#define PyMask_AsBitmap(x) (((PyMaskObject*)x)->mask)
+
+#ifndef PYGAMEAPI_MASK_INTERNAL
+
+#define PyMask_Type     (*(PyTypeObject*)PyMASK_C_API[0])
+#define PyMask_Check(x) ((x)->ob_type == &PyMask_Type)
+
+#define import_pygame_mask() {                                                                 \
+	PyObject *module = PyImport_ImportModule("pygame.mask");                               \
+	if (module != NULL) {                                                                  \
+		PyObject *dict  = PyModule_GetDict(module);                                    \
+		PyObject *c_api = PyDict_GetItemString(dict, PYGAMEAPI_LOCAL_ENTRY);           \
+		if(PyCObject_Check(c_api)) {                                                   \
+			void** localptr = (void**) PyCObject_AsVoidPtr(c_api);                 \
+			memcpy(PyMASK_C_API, localptr, sizeof(void*)*PYGAMEAPI_MASK_NUMSLOTS); \
+		} Py_DECREF(module);                                                           \
+	}                                                                                      \
+}
+
+#endif /* !defined(PYGAMEAPI_MASK_INTERNAL) */
+
+static void* PyMASK_C_API[PYGAMEAPI_MASK_NUMSLOTS] = {NULL};
+