kopia lustrzana https://github.com/pimoroni/pimoroni-pico
PicoVector: Add arbitrary matrix transform.
rodzic
4c55038f94
commit
660a19952b
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@ -62,12 +62,14 @@ MP_DEFINE_CONST_OBJ_TYPE(
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static MP_DEFINE_CONST_FUN_OBJ_3(TRANSFORM_rotate_obj, TRANSFORM_rotate);
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static MP_DEFINE_CONST_FUN_OBJ_3(TRANSFORM_translate_obj, TRANSFORM_translate);
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static MP_DEFINE_CONST_FUN_OBJ_3(TRANSFORM_scale_obj, TRANSFORM_scale);
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static MP_DEFINE_CONST_FUN_OBJ_2(TRANSFORM_custom_obj, TRANSFORM_custom);
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static MP_DEFINE_CONST_FUN_OBJ_1(TRANSFORM_reset_obj, TRANSFORM_reset);
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static const mp_rom_map_elem_t TRANSFORM_locals_dict_table[] = {
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{ MP_ROM_QSTR(MP_QSTR_rotate), MP_ROM_PTR(&TRANSFORM_rotate_obj) },
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{ MP_ROM_QSTR(MP_QSTR_translate), MP_ROM_PTR(&TRANSFORM_translate_obj) },
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{ MP_ROM_QSTR(MP_QSTR_scale), MP_ROM_PTR(&TRANSFORM_scale_obj) },
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{ MP_ROM_QSTR(MP_QSTR_matrix), MP_ROM_PTR(&TRANSFORM_custom_obj) },
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{ MP_ROM_QSTR(MP_QSTR_reset), MP_ROM_PTR(&TRANSFORM_reset_obj) },
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};
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@ -544,6 +544,31 @@ mp_obj_t TRANSFORM_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_k
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return self;
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}
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mp_obj_t TRANSFORM_custom(mp_obj_t self_in, mp_obj_t custom_in) {
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_TRANSFORM_obj_t *transform = MP_OBJ_TO_PTR2(self_in, _TRANSFORM_obj_t);
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if(!mp_obj_is_type(custom_in, &mp_type_list)) mp_raise_ValueError("custom: transform must be a list!");
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mp_obj_list_t *list = MP_OBJ_TO_PTR2(custom_in, mp_obj_list_t);
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if(list->len != 9) mp_raise_ValueError("custom: expected 9 items!");
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pp_mat3_t t = pp_mat3_identity();
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t.v00 = mp_obj_get_float(list->items[0]);
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t.v10 = mp_obj_get_float(list->items[1]);
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t.v20 = mp_obj_get_float(list->items[2]);
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t.v01 = mp_obj_get_float(list->items[3]);
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t.v11 = mp_obj_get_float(list->items[4]);
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t.v21 = mp_obj_get_float(list->items[5]);
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t.v02 = mp_obj_get_float(list->items[6]);
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t.v12 = mp_obj_get_float(list->items[7]);
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t.v22 = mp_obj_get_float(list->items[8]);
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pp_mat3_mul(&transform->transform, &t);
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return mp_const_none;
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}
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mp_obj_t TRANSFORM_rotate(mp_obj_t self_in, mp_obj_t angle_in, mp_obj_t origin_in) {
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_TRANSFORM_obj_t *transform = MP_OBJ_TO_PTR2(self_in, _TRANSFORM_obj_t);
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@ -29,6 +29,7 @@ extern mp_obj_t TRANSFORM_make_new(const mp_obj_type_t *type, size_t n_args, siz
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extern mp_obj_t TRANSFORM_rotate(mp_obj_t self_in, mp_obj_t angle_in, mp_obj_t origin_in);
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extern mp_obj_t TRANSFORM_translate(mp_obj_t self_in, mp_obj_t x_in, mp_obj_t y_in);
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extern mp_obj_t TRANSFORM_scale(mp_obj_t self_in, mp_obj_t x_in, mp_obj_t y_in);
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extern mp_obj_t TRANSFORM_custom(mp_obj_t self_in, mp_obj_t custom_in);
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extern mp_obj_t TRANSFORM_reset(mp_obj_t self_in);
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/* Vector */
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