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/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2021 Jeff Epler for Adafruit Industries
*
* 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 <string.h>
#include "py/gc.h"
#include "py/objnamedtuple.h"
#include "shared-bindings/qrio/__init__.h"
#include "shared-bindings/qrio/QRInfo.h"
#include "shared-module/qrio/QRDecoder.h"
void shared_module_qrio_qrdecoder_construct(qrdecoder_qrdecoder_obj_t *self, int width, int height) {
self->quirc = quirc_new();
quirc_resize(self->quirc, width, height);
}
int shared_module_qrio_qrdecoder_get_height(qrdecoder_qrdecoder_obj_t *self) {
int height;
quirc_begin(self->quirc, NULL, &height);
return height;
}
int shared_module_qrio_qrdecoder_get_width(qrdecoder_qrdecoder_obj_t *self) {
int width;
quirc_begin(self->quirc, &width, NULL);
return width;
}
void shared_module_qrio_qrdecoder_set_height(qrdecoder_qrdecoder_obj_t *self, int height) {
if (height != shared_module_qrio_qrdecoder_get_height(self)) {
int width = shared_module_qrio_qrdecoder_get_width(self);
quirc_resize(self->quirc, width, height);
}
}
void shared_module_qrio_qrdecoder_set_width(qrdecoder_qrdecoder_obj_t *self, int width) {
if (width != shared_module_qrio_qrdecoder_get_width(self)) {
int height = shared_module_qrio_qrdecoder_get_height(self);
quirc_resize(self->quirc, width, height);
}
}
STATIC mp_obj_t data_type(int type) {
switch (type) {
case QUIRC_ECI_ISO_8859_1:
return MP_OBJ_NEW_QSTR(MP_QSTR_iso_8859_hyphen_1);
case QUIRC_ECI_IBM437:
return MP_OBJ_NEW_QSTR(MP_QSTR_cp437);
case QUIRC_ECI_ISO_8859_2:
return MP_OBJ_NEW_QSTR(MP_QSTR_iso_8859_hyphen_2);
case QUIRC_ECI_ISO_8859_3:
return MP_OBJ_NEW_QSTR(MP_QSTR_iso_8859_hyphen_3);
case QUIRC_ECI_ISO_8859_4:
return MP_OBJ_NEW_QSTR(MP_QSTR_iso_8859_hyphen_4);
case QUIRC_ECI_ISO_8859_5:
return MP_OBJ_NEW_QSTR(MP_QSTR_iso_8859_hyphen_5);
case QUIRC_ECI_ISO_8859_6:
return MP_OBJ_NEW_QSTR(MP_QSTR_iso_8859_hyphen_6);
case QUIRC_ECI_ISO_8859_7:
return MP_OBJ_NEW_QSTR(MP_QSTR_iso_8859_hyphen_7);
case QUIRC_ECI_ISO_8859_8:
return MP_OBJ_NEW_QSTR(MP_QSTR_iso_8859_hyphen_8);
case QUIRC_ECI_ISO_8859_9:
return MP_OBJ_NEW_QSTR(MP_QSTR_iso_8859_hyphen_9);
case QUIRC_ECI_WINDOWS_874:
return MP_OBJ_NEW_QSTR(MP_QSTR_cp874);
case QUIRC_ECI_ISO_8859_13:
return MP_OBJ_NEW_QSTR(MP_QSTR_iso_8859_hyphen_13);
case QUIRC_ECI_ISO_8859_15:
return MP_OBJ_NEW_QSTR(MP_QSTR_iso_8859_hyphen_15);
case QUIRC_ECI_SHIFT_JIS:
return MP_OBJ_NEW_QSTR(MP_QSTR_shift_underscore_jis);
case QUIRC_ECI_UTF_8:
return MP_OBJ_NEW_QSTR(MP_QSTR_utf_hyphen_8);
}
return mp_obj_new_int(type);
}
mp_obj_t shared_module_qrio_qrdecoder_decode(qrdecoder_qrdecoder_obj_t *self, const mp_buffer_info_t *bufinfo, qrio_pixel_policy_t policy) {
int width, height;
uint8_t *framebuffer = quirc_begin(self->quirc, &width, &height);
uint8_t *src = bufinfo->buf;
switch (policy) {
case QRIO_EVERY_BYTE:
memcpy(framebuffer, src, width * height);
break;
case QRIO_ODD_BYTES:
src++;
MP_FALLTHROUGH;
case QRIO_EVEN_BYTES:
for (int i = 0; i < width * height; i++) {
framebuffer[i] = src[2 * i];
}
}
quirc_end(self->quirc);
int count = quirc_count(self->quirc);
mp_obj_t result = mp_obj_new_list(0, NULL);
for (int i = 0; i < count; i++) {
quirc_extract(self->quirc, i, &self->code);
if (quirc_decode(&self->code, &self->data) != QUIRC_SUCCESS) {
continue;
}
mp_obj_t elems[2] = {
mp_obj_new_bytes(self->data.payload, self->data.payload_len),
data_type(self->data.data_type),
};
mp_obj_t code_obj = namedtuple_make_new((const mp_obj_type_t *)&qrio_qrinfo_type_obj, 2, 0, elems);
mp_obj_list_append(result, code_obj);
}
return result;
}
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