1 files changed, 41 insertions, 0 deletions
diff --git a/circuitpython/shared-bindings/vectorio/__init__.h b/circuitpython/shared-bindings/vectorio/__init__.h
new file mode 100644
index 0000000..a34195d
--- /dev/null
+++ b/circuitpython/shared-bindings/vectorio/__init__.h
@@ -0,0 +1,41 @@
+#ifndef SHARED_MODULE_VECTORIO__INIT__H
+#define SHARED_MODULE_VECTORIO__INIT__H
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "py/obj.h"
+#include "py/proto.h"
+
+#include "shared-module/displayio/area.h"
+#include "shared-module/displayio/Palette.h"
+
+// Returns the object on which the rest of the draw protocol methods are invoked.
+typedef mp_obj_t (*draw_get_protocol_self_fun)(mp_obj_t protocol_container);
+
+typedef bool (*draw_fill_area_fun)(mp_obj_t draw_protocol_self, const _displayio_colorspace_t *colorspace, const displayio_area_t *area, uint32_t *mask, uint32_t *buffer);
+typedef bool (*draw_get_dirty_area_fun)(mp_obj_t draw_protocol_self, displayio_area_t *current_dirty_area);
+typedef void (*draw_update_transform_fun)(mp_obj_t draw_protocol_self, displayio_buffer_transform_t *group_transform);
+typedef void (*draw_finish_refresh_fun)(mp_obj_t draw_protocol_self);
+typedef displayio_area_t *(*draw_get_refresh_areas_fun)(mp_obj_t draw_protocol_self, displayio_area_t *tail);
+
+typedef struct _vectorio_draw_protocol_impl_t {
+    draw_fill_area_fun draw_fill_area;
+    draw_get_dirty_area_fun draw_get_dirty_area;
+    draw_update_transform_fun draw_update_transform;
+    draw_finish_refresh_fun draw_finish_refresh;
+    draw_get_refresh_areas_fun draw_get_refresh_areas;
+} vectorio_draw_protocol_impl_t;
+
+// Draw protocol
+typedef struct _vectorio_draw_protocol_t {
+    MP_PROTOCOL_HEAD // MP_QSTR_protocol_draw
+
+    // Instance of the draw protocol
+    draw_get_protocol_self_fun draw_get_protocol_self;
+
+    // Implementation functions for the draw protocol
+    vectorio_draw_protocol_impl_t *draw_protocol_impl;
+} vectorio_draw_protocol_t;
+
+#endif