add circuitpython code

1 files changed, 56 insertions, 0 deletions

diff --git a/circuitpython/shared-bindings/qrio/PixelPolicy.c b/circuitpython/shared-bindings/qrio/PixelPolicy.c
new file mode 100644
index 0000000..6887081
--- /dev/null
+++ b/circuitpython/shared-bindings/qrio/PixelPolicy.c
@@ -0,0 +1,56 @@
+/*
+ * This file is part of the CircuitPython project, https://github.com/adafruit/circuitpython
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2021 Jeff Epler
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "shared-bindings/qrio/__init__.h"
+#include "shared-bindings/qrio/PixelPolicy.h"
+#include "py/obj.h"
+#include "py/enum.h"
+
+//| class PixelPolicy:
+//|     EVERY_BYTE: PixelPolicy
+//|     """The input buffer to `QRDecoder.decode` consists of greyscale values in every byte"""
+//|
+//|     EVEN_BYTES: PixelPolicy
+//|     """The input buffer to `QRDecoder.decode` consists of greyscale values in positions 0, 2, …, and ignored bytes in positions 1, 3, ….  This can decode directly from YUV images where the even bytes hold the Y (luminance) data."""
+//|
+//|     ODD_BYTES: PixelPolicy
+//|     """The input buffer to `QRDecoder.decode` consists of greyscale values in positions 1, 3, …, and ignored bytes in positions 0, 2, ….  This can decode directly from YUV images where the odd bytes hold the Y (luminance) data"""
+//|
+
+MAKE_ENUM_VALUE(qrio_pixel_policy_type, qrio_pixel_policy, EVERY_BYTE, QRIO_EVERY_BYTE);
+MAKE_ENUM_VALUE(qrio_pixel_policy_type, qrio_pixel_policy, EVEN_BYTES, QRIO_EVEN_BYTES);
+MAKE_ENUM_VALUE(qrio_pixel_policy_type, qrio_pixel_policy, ODD_BYTES, QRIO_EVEN_BYTES);
+
+MAKE_ENUM_MAP(qrio_pixel_policy) {
+    MAKE_ENUM_MAP_ENTRY(qrio_pixel_policy, EVERY_BYTE),
+    MAKE_ENUM_MAP_ENTRY(qrio_pixel_policy, EVEN_BYTES),
+    MAKE_ENUM_MAP_ENTRY(qrio_pixel_policy, ODD_BYTES),
+};
+STATIC MP_DEFINE_CONST_DICT(qrio_pixel_policy_locals_dict, qrio_pixel_policy_locals_table);
+
+MAKE_PRINTER(qrio, qrio_pixel_policy);
+
+MAKE_ENUM_TYPE(qrio, PixelPolicy, qrio_pixel_policy);