Merge pull request #2873 from WarriorOfWire/vectorio

Add vectorio: for drawing shapes

1 files changed, 195 insertions, 0 deletions

diff --git a/shared-bindings/vectorio/VectorShape.c b/shared-bindings/vectorio/VectorShape.c
new file mode 100644
index 000000000..4b39ec996
--- /dev/null
+++ b/shared-bindings/vectorio/VectorShape.c
@@ -0,0 +1,195 @@
+
+#include "shared-module/vectorio/__init__.h"
+#include "shared-bindings/vectorio/VectorShape.h"
+#include "shared-bindings/vectorio/Circle.h"
+#include "shared-bindings/vectorio/Polygon.h"
+#include "shared-bindings/vectorio/Rectangle.h"
+
+#include "shared-bindings/displayio/ColorConverter.h"
+#include "shared-bindings/displayio/Palette.h"
+
+#include <stdint.h>
+
+#include "lib/utils/context_manager_helpers.h"
+
+#include "py/binary.h"
+#include "py/objproperty.h"
+#include "py/objtype.h"
+#include "py/runtime.h"
+#include "supervisor/shared/translate.h"
+
+
+//| .. currentmodule:: vectorio
+//|
+//| :class:`VectorShape` -- Binds a vector shape to a location and pixel color
+//| ==========================================================================
+//|
+//| .. class:: VectorShape( shape, pixel_shader, x=0, y=0)
+//|
+//|   :param vectorio.Polygon shape: The shape to draw.
+//|   :param displayio.Palette pixel_shader: The pixel shader that produces colors from values
+//|   :param int x: Initial x position of the center axis of the shape within the parent.
+//|   :param int y: Initial y position of the center axis of the shape within the parent.
+//|
+STATIC mp_obj_t vectorio_vector_shape_make_new(const mp_obj_type_t *type, size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
+    enum { ARG_shape, ARG_pixel_shader, ARG_x, ARG_y };
+    static const mp_arg_t allowed_args[] = {
+        { MP_QSTR_shape, MP_ARG_OBJ | MP_ARG_KW_ONLY | MP_ARG_REQUIRED },
+        { MP_QSTR_pixel_shader, MP_ARG_OBJ | MP_ARG_KW_ONLY | MP_ARG_REQUIRED },
+        { MP_QSTR_x, MP_ARG_INT | MP_ARG_KW_ONLY, {.u_int = 0} },
+        { MP_QSTR_y, MP_ARG_INT | MP_ARG_KW_ONLY, {.u_int = 0} },
+    };
+    mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
+    mp_arg_parse_all(n_args, pos_args, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
+
+    mp_obj_t pixel_shader = args[ARG_pixel_shader].u_obj;
+    if (!MP_OBJ_IS_TYPE(pixel_shader, &displayio_colorconverter_type) &&
+        !MP_OBJ_IS_TYPE(pixel_shader, &displayio_palette_type)) {
+        mp_raise_TypeError_varg(translate("unsupported %q type"), MP_QSTR_pixel_shader);
+    }
+
+    int16_t x = args[ARG_x].u_int;
+    int16_t y = args[ARG_y].u_int;
+
+    mp_obj_t shape = args[ARG_shape].u_obj;
+    vectorio_ishape_t ishape;
+    // Wire up shape functions
+    if (MP_OBJ_IS_TYPE(shape, &vectorio_polygon_type)) {
+        ishape.shape = shape;
+        ishape.get_area = &common_hal_vectorio_polygon_get_area;
+        ishape.get_pixel = &common_hal_vectorio_polygon_get_pixel;
+    } else if (MP_OBJ_IS_TYPE(shape, &vectorio_rectangle_type)) {
+        ishape.shape = shape;
+        ishape.get_area = &common_hal_vectorio_rectangle_get_area;
+        ishape.get_pixel = &common_hal_vectorio_rectangle_get_pixel;
+    } else if (MP_OBJ_IS_TYPE(shape, &vectorio_circle_type)) {
+        ishape.shape = shape;
+        ishape.get_area = &common_hal_vectorio_circle_get_area;
+        ishape.get_pixel = &common_hal_vectorio_circle_get_pixel;
+    } else {
+        mp_raise_TypeError_varg(translate("unsupported %q type"), MP_QSTR_shape);
+    }
+
+    vectorio_vector_shape_t *self = m_new_obj(vectorio_vector_shape_t);
+    self->base.type = &vectorio_vector_shape_type;
+    common_hal_vectorio_vector_shape_construct(self,
+        ishape, pixel_shader, x, y
+    );
+
+    // Wire up event callbacks
+    vectorio_event_t on_dirty = {
+        .obj = self,
+        .event = &common_hal_vectorio_vector_shape_set_dirty
+    };
+
+    if (MP_OBJ_IS_TYPE(shape, &vectorio_polygon_type)) {
+        common_hal_vectorio_polygon_set_on_dirty(self->ishape.shape, on_dirty);
+    } else if (MP_OBJ_IS_TYPE(shape, &vectorio_rectangle_type)) {
+    } else if (MP_OBJ_IS_TYPE(shape, &vectorio_circle_type)) {
+        common_hal_vectorio_circle_set_on_dirty(self->ishape.shape, on_dirty);
+    } else {
+        mp_raise_TypeError_varg(translate("unsupported %q type"), MP_QSTR_shape);
+    }
+
+    return MP_OBJ_FROM_PTR(self);
+}
+
+
+//|   .. attribute:: x
+//|
+//|     X position of the center point of the shape in the parent.
+//|
+STATIC mp_obj_t vectorio_vector_shape_obj_get_x(mp_obj_t self_in) {
+    vectorio_vector_shape_t *self = MP_OBJ_TO_PTR(self_in);
+    return MP_OBJ_NEW_SMALL_INT(common_hal_vectorio_vector_shape_get_x(self));
+}
+MP_DEFINE_CONST_FUN_OBJ_1(vectorio_vector_shape_get_x_obj, vectorio_vector_shape_obj_get_x);
+
+STATIC mp_obj_t vectorio_vector_shape_obj_set_x(mp_obj_t self_in, mp_obj_t x_obj) {
+    vectorio_vector_shape_t *self = MP_OBJ_TO_PTR(self_in);
+
+    mp_int_t x = mp_obj_get_int(x_obj);
+    common_hal_vectorio_vector_shape_set_x(self, x);
+    return mp_const_none;
+}
+MP_DEFINE_CONST_FUN_OBJ_2(vectorio_vector_shape_set_x_obj, vectorio_vector_shape_obj_set_x);
+
+const mp_obj_property_t vectorio_vector_shape_x_obj = {
+    .base.type = &mp_type_property,
+    .proxy = {(mp_obj_t)&vectorio_vector_shape_get_x_obj,
+              (mp_obj_t)&vectorio_vector_shape_set_x_obj,
+              (mp_obj_t)&mp_const_none_obj},
+};
+
+
+//|   .. attribute:: y
+//|
+//|     Y position of the center point of the shape in the parent.
+//|
+STATIC mp_obj_t vectorio_vector_shape_obj_get_y(mp_obj_t self_in) {
+    vectorio_vector_shape_t *self = MP_OBJ_TO_PTR(self_in);
+    return MP_OBJ_NEW_SMALL_INT(common_hal_vectorio_vector_shape_get_y(self));
+}
+MP_DEFINE_CONST_FUN_OBJ_1(vectorio_vector_shape_get_y_obj, vectorio_vector_shape_obj_get_y);
+
+STATIC mp_obj_t vectorio_vector_shape_obj_set_y(mp_obj_t self_in, mp_obj_t y_obj) {
+    vectorio_vector_shape_t *self = MP_OBJ_TO_PTR(self_in);
+
+    mp_int_t y = mp_obj_get_int(y_obj);
+    common_hal_vectorio_vector_shape_set_y(self, y);
+    return mp_const_none;
+}
+MP_DEFINE_CONST_FUN_OBJ_2(vectorio_vector_shape_set_y_obj, vectorio_vector_shape_obj_set_y);
+
+const mp_obj_property_t vectorio_vector_shape_y_obj = {
+    .base.type = &mp_type_property,
+    .proxy = {(mp_obj_t)&vectorio_vector_shape_get_y_obj,
+              (mp_obj_t)&vectorio_vector_shape_set_y_obj,
+              (mp_obj_t)&mp_const_none_obj},
+};
+
+
+//|   .. attribute:: pixel_shader
+//|
+//|     The pixel shader of the shape.
+//|
+STATIC mp_obj_t vectorio_vector_shape_obj_get_pixel_shader(mp_obj_t self_in) {
+    vectorio_vector_shape_t *self = MP_OBJ_TO_PTR(self_in);
+    return common_hal_vectorio_vector_shape_get_pixel_shader(self);
+}
+MP_DEFINE_CONST_FUN_OBJ_1(vectorio_vector_shape_get_pixel_shader_obj, vectorio_vector_shape_obj_get_pixel_shader);
+
+STATIC mp_obj_t vectorio_vector_shape_obj_set_pixel_shader(mp_obj_t self_in, mp_obj_t pixel_shader) {
+    vectorio_vector_shape_t *self = MP_OBJ_TO_PTR(self_in);
+    if (!MP_OBJ_IS_TYPE(pixel_shader, &displayio_palette_type) && !MP_OBJ_IS_TYPE(pixel_shader, &displayio_colorconverter_type)) {
+        mp_raise_TypeError(translate("pixel_shader must be displayio.Palette or displayio.ColorConverter"));
+    }
+
+    common_hal_vectorio_vector_shape_set_pixel_shader(self, pixel_shader);
+
+    return mp_const_none;
+}
+MP_DEFINE_CONST_FUN_OBJ_2(vectorio_vector_shape_set_pixel_shader_obj, vectorio_vector_shape_obj_set_pixel_shader);
+
+const mp_obj_property_t vectorio_vector_shape_pixel_shader_obj = {
+    .base.type = &mp_type_property,
+    .proxy = {(mp_obj_t)&vectorio_vector_shape_get_pixel_shader_obj,
+              (mp_obj_t)&vectorio_vector_shape_set_pixel_shader_obj,
+              (mp_obj_t)&mp_const_none_obj},
+};
+
+
+STATIC const mp_rom_map_elem_t vectorio_vector_shape_locals_dict_table[] = {
+    // Properties
+    { MP_ROM_QSTR(MP_QSTR_x), MP_ROM_PTR(&vectorio_vector_shape_x_obj) },
+    { MP_ROM_QSTR(MP_QSTR_y), MP_ROM_PTR(&vectorio_vector_shape_y_obj) },
+    { MP_ROM_QSTR(MP_QSTR_pixel_shader), MP_ROM_PTR(&vectorio_vector_shape_pixel_shader_obj) },
+};
+STATIC MP_DEFINE_CONST_DICT(vectorio_vector_shape_locals_dict, vectorio_vector_shape_locals_dict_table);
+
+const mp_obj_type_t vectorio_vector_shape_type = {
+    { &mp_type_type },
+    .name = MP_QSTR_VectorShape,
+    .make_new = vectorio_vector_shape_make_new,
+    .locals_dict = (mp_obj_dict_t*)&vectorio_vector_shape_locals_dict,
+};