From 3c955eba0697db36493fc6df154f5b7baff6ab0a Mon Sep 17 00:00:00 2001
From: XANTRONIX Development <dev@xantronix.com>
Date: Mon, 8 Jan 2024 00:15:38 -0500
Subject: [PATCH] Initial commit of cluster_c.pyx

---
 py/hexagram/cluster_c.pyx | 41 +++++++++++++++++++++++++++++++++++++++
 setup.py                  |  2 +-
 2 files changed, 42 insertions(+), 1 deletion(-)
 create mode 100644 py/hexagram/cluster_c.pyx

diff --git a/py/hexagram/cluster_c.pyx b/py/hexagram/cluster_c.pyx
new file mode 100644
index 0000000..ffa38b9
--- /dev/null
+++ b/py/hexagram/cluster_c.pyx
@@ -0,0 +1,41 @@
+from cpython.ref cimport PyObject, PyTypeObject, Py_INCREF
+
+from hexagram.cluster import Cluster
+
+cdef extern from "linux/can.h":
+    cdef struct can_frame:
+        pass
+
+cdef extern from "cairo.h":
+    ctypedef struct cairo_t:
+        pass
+
+cdef extern from "py3cairo.h":
+    cdef PyObject *PycairoContext_FromContext(cairo_t *ctx, PyTypeObject *type, PyObject *base)
+
+    ctypedef struct Pycairo_CAPI_t:
+        pass
+
+    cdef extern Pycairo_CAPI_t *Pycairo_CAPI
+
+cdef extern from *:
+    """
+    #define ctx_type (Pycairo_CAPI->Context_Type)
+    """
+    cdef extern PyTypeObject *ctx_type
+
+cdef class hexagram_cluster_py:
+    cdef object _obj
+
+    def __cinit__(self, double rpm_min, double rpm_redline, double rpm_max):
+        self._obj = <object>Cluster(rpm_min, rpm_redline, rpm_max)
+
+    cdef draw_bg(self, cairo_t *cr):
+        ctx = <object>PycairoContext_FromContext(cr, ctx_type, NULL)
+
+        self._obj.draw_bg(ctx)
+
+    cdef draw_fg(self, cairo_t *cr):
+        ctx = <object>PycairoContext_FromContext(cr, ctx_type, NULL)
+
+        self._obj.draw_fg(ctx)
diff --git a/setup.py b/setup.py
index cf6e8c5..73a52b1 100644
--- a/setup.py
+++ b/setup.py
@@ -14,7 +14,7 @@ setup(
     ext_modules  = cythonize(
         Extension(
             "*", ["py/hexagram/*.pyx"],
-            include_dirs = ["./include", "/usr/include/cairo"]
+            include_dirs = ["./include", "/usr/include/cairo", "/usr/include/pycairo"]
         ), language_level = 3,
     )
 )