From 5daf079d0905d445e5de64a19b552e288bef0222 Mon Sep 17 00:00:00 2001
From: Shlomi Fish <shlomif@shlomifish.org>
Date: Sun, 28 Apr 2019 14:09:18 +0300
Subject: [PATCH] trying to get a qpixmap from libkcardgame.

---
 kcardgame/Makefile        |  7 +++
 kcardgame/kcardgame.cpp   | 89 +++++++++++++++++++++++++++++++++++++++
 kcardgame/kcardgame.hpp   | 10 +++++
 pysollib/ui/tktile/svg.py |  2 +-
 4 files changed, 107 insertions(+), 1 deletion(-)
 create mode 100644 kcardgame/Makefile
 create mode 100644 kcardgame/kcardgame.cpp
 create mode 100644 kcardgame/kcardgame.hpp

diff --git a/kcardgame/Makefile b/kcardgame/Makefile
new file mode 100644
index 00000000..b36124ad
--- /dev/null
+++ b/kcardgame/Makefile
@@ -0,0 +1,7 @@
+# ---- Link ---------------------------
+kcardgame.so: kcardgame.o Makefile
+	gcc -shared -o kcardgame.so  kcardgame.o `pkg-config --libs python3`
+
+# ---- gcc C compile ------------------
+kcardgame.o:  kcardgame.cpp kcardgame.hpp Makefile
+	gcc `pkg-config --cflags Qt5Gui` -I build-kpat/libkcardgame/ -I kpat/libkcardgame/include -I kpat/libkcardgame/ -g -fPIC -c kcardgame.cpp -I /usr/include/python3.7m/ -I /usr/lib64/python3.7/site-packages/numpy/core/include/numpy
diff --git a/kcardgame/kcardgame.cpp b/kcardgame/kcardgame.cpp
new file mode 100644
index 00000000..3cd45448
--- /dev/null
+++ b/kcardgame/kcardgame.cpp
@@ -0,0 +1,89 @@
+/* A file to test imorting C modules for handling arrays to Python */
+
+#include "Python.h"
+#include "arrayobject.h"
+#include "kcardgame.hpp"
+#include <math.h>
+
+/* #### Globals #################################### */
+
+/* ==== Set up the methods table ====================== */
+static struct PyMethodDef _kcardgameMethods[] = {
+	{"np_kcardgame", np_kcardgame, METH_VARARGS, "kcardgame"},
+	{NULL, NULL, 0, NULL}     /* Sentinel - marks the end of this structure */
+};
+
+static struct PyModuleDef _kcardgame_mod = {
+            PyModuleDef_HEAD_INIT,
+            "_kcardgame",
+            NULL,
+            -1,
+            _kcardgameMethods
+        };
+
+
+/* ==== Initialize the C_test functions ====================== */
+// Module name must be _kcardgame in compile and linked
+PyMODINIT_FUNC
+PyInit_kcardgame()  {
+	PyObject* ret = PyModule_Create(&_kcardgame_mod);
+	import_array();  // Must be present for NumPy.  Called first after above line.
+    return ret;
+}
+
+/* ==== Create 1D Carray from PyArray ======================
+    Assumes PyArray is contiguous in memory.             */
+static inline uint64_t *pyvector_to_Carrayptrs(PyArrayObject *arrayin)  {
+	return (uint64_t *) arrayin->data;  /* pointer to arrayin data as double */
+}
+
+int my_kcardgame(
+	const uint64_t *const cin,
+    const size_t n)
+{
+    unsigned __int128 sum = 0;
+	/* Operate on the vectors  */
+	for ( size_t i=0; i<n; i++)  {
+			sum += cin[i];
+	}
+    return (int)(sum % 1000000007);
+}
+
+#include "KCardDeck"
+#include "KCardTheme"
+static void del_kcardgame(PyObject * obj)
+{
+    delete (KCardDeck *)PyCapsule_GetPointer(obj, "KCardDeck");
+}
+static PyObject *np_kcardgame(PyObject *self, PyObject *args)
+{
+    auto ret = new KCardDeck( KCardTheme(), nullptr);
+	return PyCapsule_New(ret, "KCardDeck", del_kcardgame);
+}
+
+/* ==== Square vector components & multiply by a float =========================
+/* #### Vector Utility functions ######################### */
+
+/* ==== Make a Python Array Obj. from a PyObject, ================
+     generates a double vector w/ contiguous memory which may be a new allocation if
+     the original was not a double type or contiguous
+  !! Must DECREF the object returned from this routine unless it is returned to the
+     caller of this routines caller using return PyArray_Return(obj) or
+     PyArray_BuildValue with the "N" construct   !!!
+*/
+PyArrayObject *pyvector(PyObject *objin)  {
+	return (PyArrayObject *) PyArray_ContiguousFromObject(objin,
+		NPY_DOUBLE, 1,1);
+}
+/* ==== Check that PyArrayObject is a double (Float) type and a vector ==============
+    return 1 if an error and raise exception */
+int  not_doublevector(PyArrayObject *vec)  {
+	if (vec->descr->type_num != NPY_UINT64 || vec->nd != 1)  {
+		PyErr_SetString(PyExc_ValueError,
+			"In not_doublevector: array must be of type uint644 and 1 dimensional (n).");
+		return 1;  }
+	return 0;
+}
+
+/* #### Matrix Extensions ############################## */
+
diff --git a/kcardgame/kcardgame.hpp b/kcardgame/kcardgame.hpp
new file mode 100644
index 00000000..ab69ea83
--- /dev/null
+++ b/kcardgame/kcardgame.hpp
@@ -0,0 +1,10 @@
+/* Header to test of C modules for arrays for Python: C_test.c */
+
+/* ==== Prototypes =================================== */
+
+// .... Python callable Vector functions ..................
+static PyObject *np_kcardgame(PyObject *self, PyObject *args);
+
+/* .... C vector utility functions ..................*/
+PyArrayObject *pyvector(PyObject *objin);
+int  not_doublevector(PyArrayObject *vec);
diff --git a/pysollib/ui/tktile/svg.py b/pysollib/ui/tktile/svg.py
index 50c4bed5..6bbec4aa 100644
--- a/pysollib/ui/tktile/svg.py
+++ b/pysollib/ui/tktile/svg.py
@@ -25,6 +25,7 @@ class SVGManager:
 
     # Taken from https://stackoverflow.com/questions/44471795
     # Under MIT License - thanks.
+    @pysnooper.snoop()
     def pixbuf2image(self, pxb):
         """ Convert GdkPixbuf.Pixbuf to PIL image """
         data = pxb.get_pixels()
@@ -37,7 +38,6 @@ class SVGManager:
         img = Image.frombytes(mode, (w, h), data, "raw", mode, stride)
         return img
 
-    @pysnooper.snoop()
     def render_fragment(self, id_, width, height):
         id__ = '#' + id_
         """docstring for render_"""