kopia lustrzana https://github.com/pimoroni/pimoroni-pico
291 wiersze
8.9 KiB
C++
291 wiersze
8.9 KiB
C++
#include "micropython/modules/util.hpp"
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#include "libraries/pico_graphics/pico_graphics.hpp"
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#include "libraries/pico_vector/pico_vector.hpp"
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using namespace pimoroni;
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extern "C" {
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#include "picovector.h"
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#include "micropython/modules/picographics/picographics.h"
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#include "py/stream.h"
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#include "py/reader.h"
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#include "extmod/vfs.h"
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typedef struct _ModPicoGraphics_obj_t {
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mp_obj_base_t base;
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PicoGraphics *graphics;
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DisplayDriver *display;
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void *buffer;
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} ModPicoGraphics_obj_t;
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typedef struct _VECTOR_obj_t {
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mp_obj_base_t base;
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PicoVector *vector;
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} _VECTOR_obj_t;
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pretty_poly::file_io::file_io(std::string_view filename) {
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mp_obj_t fn = mp_obj_new_str(filename.data(), (mp_uint_t)filename.size());
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//mp_printf(&mp_plat_print, "Opening file %s\n", filename.data());
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mp_obj_t args[2] = {
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fn,
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MP_OBJ_NEW_QSTR(MP_QSTR_r),
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};
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// Stat the file to get its size
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// example tuple response: (32768, 0, 0, 0, 0, 0, 5153, 1654709815, 1654709815, 1654709815)
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mp_obj_t stat = mp_vfs_stat(fn);
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mp_obj_tuple_t *tuple = MP_OBJ_TO_PTR2(stat, mp_obj_tuple_t);
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filesize = mp_obj_get_int(tuple->items[6]);
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mp_obj_t fhandle = mp_vfs_open(MP_ARRAY_SIZE(args), &args[0], (mp_map_t *)&mp_const_empty_map);
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this->state = (void *)fhandle;
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}
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pretty_poly::file_io::~file_io() {
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mp_stream_close((mp_obj_t)this->state);
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}
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size_t pretty_poly::file_io::read(void *buf, size_t len) {
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//mp_printf(&mp_plat_print, "Reading %lu bytes\n", len);
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mp_obj_t fhandle = this->state;
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int error;
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return mp_stream_read_exactly(fhandle, buf, len, &error);
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}
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size_t pretty_poly::file_io::tell() {
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mp_obj_t fhandle = this->state;
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struct mp_stream_seek_t seek_s;
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seek_s.offset = 0;
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seek_s.whence = SEEK_CUR;
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const mp_stream_p_t *stream_p = mp_get_stream(fhandle);
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int error;
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mp_uint_t res = stream_p->ioctl(fhandle, MP_STREAM_SEEK, (mp_uint_t)(uintptr_t)&seek_s, &error);
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if (res == MP_STREAM_ERROR) {
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mp_raise_OSError(error);
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}
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return seek_s.offset;
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}
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bool pretty_poly::file_io::fail() {
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return false;
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}
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// Re-implementation of stream.c/STATIC mp_obj_t stream_seek(size_t n_args, const mp_obj_t *args)
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size_t pretty_poly::file_io::seek(size_t pos) {
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mp_obj_t fhandle = this->state;
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struct mp_stream_seek_t seek_s;
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seek_s.offset = pos;
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seek_s.whence = SEEK_SET;
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const mp_stream_p_t *stream_p = mp_get_stream(fhandle);
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int error;
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mp_uint_t res = stream_p->ioctl(fhandle, MP_STREAM_SEEK, (mp_uint_t)(uintptr_t)&seek_s, &error);
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if (res == MP_STREAM_ERROR) {
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mp_raise_OSError(error);
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}
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return seek_s.offset;
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}
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static const std::string_view mp_obj_to_string_r(const mp_obj_t &obj) {
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if(mp_obj_is_str_or_bytes(obj)) {
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GET_STR_DATA_LEN(obj, str, str_len);
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return std::string_view((const char*)str, str_len);
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}
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mp_raise_TypeError("can't convert object to str implicitly");
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}
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mp_obj_t VECTOR_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *all_args) {
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enum {
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ARG_picographics
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};
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static const mp_arg_t allowed_args[] = {
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{ MP_QSTR_picographics, MP_ARG_REQUIRED | MP_ARG_OBJ },
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};
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mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
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mp_arg_parse_all_kw_array(n_args, n_kw, all_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
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if(!MP_OBJ_IS_TYPE(args[ARG_picographics].u_obj, &ModPicoGraphics_type)) mp_raise_ValueError(MP_ERROR_TEXT("PicoGraphics Object Required"));
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_VECTOR_obj_t *self = m_new_obj(_VECTOR_obj_t);
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self->base.type = &VECTOR_type;
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ModPicoGraphics_obj_t *graphics = (ModPicoGraphics_obj_t *)MP_OBJ_TO_PTR(args[ARG_picographics].u_obj);
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void *mem = m_tracked_calloc(PicoVector::pretty_poly_buffer_size(), sizeof(uint8_t));
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self->vector = m_new_class(PicoVector, graphics->graphics, mem);
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return self;
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}
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mp_obj_t VECTOR_set_font(mp_obj_t self_in, mp_obj_t font, mp_obj_t size) {
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_VECTOR_obj_t *self = MP_OBJ_TO_PTR2(self_in, _VECTOR_obj_t);
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int font_size = mp_obj_get_int(size);
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bool result = false;
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if (mp_obj_is_str(font)) {
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result = self->vector->set_font(mp_obj_to_string_r(font), font_size);
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}
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else {
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}
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return result ? mp_const_true : mp_const_false;
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}
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mp_obj_t VECTOR_set_font_size(mp_obj_t self_in, mp_obj_t size) {
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_VECTOR_obj_t *self = MP_OBJ_TO_PTR2(self_in, _VECTOR_obj_t);
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int font_size = mp_obj_get_int(size);
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self->vector->set_font_size(font_size);
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return mp_const_none;
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}
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mp_obj_t VECTOR_set_antialiasing(mp_obj_t self_in, mp_obj_t aa) {
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_VECTOR_obj_t *self = MP_OBJ_TO_PTR2(self_in, _VECTOR_obj_t);
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self->vector->set_antialiasing((pretty_poly::antialias_t)mp_obj_get_int(aa));
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return mp_const_none;
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}
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mp_obj_t VECTOR_text(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
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enum { ARG_self, ARG_text, ARG_x, ARG_y };
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static const mp_arg_t allowed_args[] = {
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{ MP_QSTR_, MP_ARG_REQUIRED | MP_ARG_OBJ },
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{ MP_QSTR_text, MP_ARG_REQUIRED | MP_ARG_OBJ },
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{ MP_QSTR_x, MP_ARG_REQUIRED | MP_ARG_INT },
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{ MP_QSTR_y, MP_ARG_REQUIRED | MP_ARG_INT }
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};
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mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
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mp_arg_parse_all(n_args, pos_args, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
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_VECTOR_obj_t *self = MP_OBJ_TO_PTR2(args[ARG_self].u_obj, _VECTOR_obj_t);
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mp_obj_t text_obj = args[ARG_text].u_obj;
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if(!mp_obj_is_str_or_bytes(text_obj)) mp_raise_TypeError("text: string required");
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GET_STR_DATA_LEN(text_obj, str, str_len);
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const std::string_view t((const char*)str, str_len);
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int x = args[ARG_x].u_int;
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int y = args[ARG_y].u_int;
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self->vector->text(t, Point(x, y));
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return mp_const_none;
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}
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mp_obj_t VECTOR_regular_polygon(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
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enum { ARG_self, ARG_x, ARG_y, ARG_sides, ARG_radius, ARG_rotation };
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static const mp_arg_t allowed_args[] = {
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{ MP_QSTR_, MP_ARG_REQUIRED | MP_ARG_OBJ },
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{ MP_QSTR_x, MP_ARG_REQUIRED | MP_ARG_INT },
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{ MP_QSTR_y, MP_ARG_REQUIRED | MP_ARG_INT },
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{ MP_QSTR_sides, MP_ARG_REQUIRED | MP_ARG_INT },
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{ MP_QSTR_radius, MP_ARG_REQUIRED | MP_ARG_OBJ },
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{ MP_QSTR_rotation, MP_ARG_REQUIRED | MP_ARG_OBJ },
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};
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mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
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mp_arg_parse_all(n_args, pos_args, kw_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
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_VECTOR_obj_t *self = MP_OBJ_TO_PTR2(args[ARG_self].u_obj, _VECTOR_obj_t);
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Point origin(args[ARG_x].u_int, args[ARG_y].u_int);
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unsigned int sides = args[ARG_sides].u_int;
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float radius = mp_obj_get_float(args[ARG_radius].u_obj);
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float rotation = mp_obj_get_float(args[ARG_rotation].u_obj);
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int o_x = args[ARG_x].u_int;
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int o_y = args[ARG_y].u_int;
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float angle = (360.0f / sides) * (M_PI / 180.0f);
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pretty_poly::point_t<int> *points = new pretty_poly::point_t<int>[sides];
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for(auto s = 0u; s < sides; s++) {
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float current_angle = angle * s + rotation;
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points[s] = {
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int(cos(current_angle) * radius),
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int(sin(current_angle) * radius)
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};
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}
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std::vector<pretty_poly::contour_t<int>> contours;
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contours.push_back({points, sides});
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self->vector->polygon(contours, Point(o_x, o_y));
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delete points;
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return mp_const_none;
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}
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mp_obj_t VECTOR_polygon(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
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size_t num_tuples = n_args - 1;
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const mp_obj_t *lists = pos_args + 1;
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_VECTOR_obj_t *self = MP_OBJ_TO_PTR2(pos_args[0], _VECTOR_obj_t);
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int offset_x = 0;
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int offset_y = 0;
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if(mp_obj_is_int(pos_args[1])) {
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offset_x = mp_obj_get_int(pos_args[1]);
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lists++;
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num_tuples--;
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}
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if (mp_obj_is_int(pos_args[2])) {
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offset_y = mp_obj_get_int(pos_args[2]);
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lists++;
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num_tuples--;
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}
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std::vector<pretty_poly::contour_t<int>> contours;
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for(auto i = 0u; i < num_tuples; i++) {
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mp_obj_t c_obj = lists[i];
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if(!mp_obj_is_exact_type(c_obj, &mp_type_list)) mp_raise_ValueError("Not a list");
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mp_obj_list_t *t_contour = MP_OBJ_TO_PTR2(c_obj, mp_obj_list_t);
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pretty_poly::point_t<int> *points = new pretty_poly::point_t<int>[t_contour->len];
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for(auto p = 0u; p < t_contour->len; p++) {
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mp_obj_t p_obj = t_contour->items[p];
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if(!mp_obj_is_exact_type(p_obj, &mp_type_tuple)) mp_raise_ValueError("Not a tuple");
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mp_obj_tuple_t *t_point = MP_OBJ_TO_PTR2(p_obj, mp_obj_tuple_t);
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points[p] = {
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mp_obj_get_int(t_point->items[0]),
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mp_obj_get_int(t_point->items[1]),
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};
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}
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contours.push_back({points, t_contour->len});
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}
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self->vector->polygon(contours, Point(offset_x, offset_y));
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for(auto contour : contours) {
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delete contour.points;
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}
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return mp_const_none;
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}
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}
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