#include <stdlib.h>
#include <qr/code.h>
#include <qr/bitmap.h>
#include "code-common.h"

void qr_code_destroy(struct qr_code * code)
{
        if (code) {
                qr_bitmap_destroy(code->modules);
                free(code);
        }
}

int qr_code_width(const struct qr_code * code)
{
        return code->version * 4 + 17;
}

size_t code_total_capacity(int version)
{
	int side = version * 4 + 17;

	int alignment_side = version > 1 ? (version / 7) + 2 : 0;

	int alignment_count = alignment_side >= 2 ?
		alignment_side * alignment_side - 3 : 0;

	int locator_bits = 8*8*3;

	int format_bits = 8*4 - 1 + (version >= 7 ? 6*3*2 : 0);

	int timing_bits = 2 * (side - 8*2 -
		(alignment_side > 2 ? (alignment_side - 2) * 5 : 0));

	int function_bits = timing_bits + format_bits + locator_bits
		+ alignment_count * 5*5;

	return side * side - function_bits;
}

const int QR_ALIGNMENT_LOCATION[40][7] = {
        {  0,  0,  0,  0,  0,  0,  0 }, /*  1 */
        {  6, 18,  0,  0,  0,  0,  0 }, /*  2 */
        {  6, 22,  0,  0,  0,  0,  0 }, /*  3 */
        {  6, 26,  0,  0,  0,  0,  0 }, /*  4 */
        {  6, 30,  0,  0,  0,  0,  0 }, /*  5 */
        {  6, 34,  0,  0,  0,  0,  0 }, /*  6 */
        {  6, 22, 38,  0,  0,  0,  0 }, /*  7 */
        {  6, 24, 42,  0,  0,  0,  0 }, /*  8 */
        {  6, 26, 46,  0,  0,  0,  0 }, /*  9 */
        {  6, 28, 50,  0,  0,  0,  0 }, /* 10 */
        {  6, 30, 54,  0,  0,  0,  0 }, /* 11 */
        {  6, 32, 58,  0,  0,  0,  0 }, /* 12 */
        {  6, 34, 62,  0,  0,  0,  0 }, /* 13 */
        {  6, 26, 46, 66,  0,  0,  0 }, /* 14 */
        {  6, 26, 48, 70,  0,  0,  0 }, /* 15 */
        {  6, 26, 50, 74,  0,  0,  0 }, /* 16 */
        {  6, 30, 54, 78,  0,  0,  0 }, /* 17 */
        {  6, 30, 56, 82,  0,  0,  0 }, /* 18 */
        {  6, 30, 58, 86,  0,  0,  0 }, /* 19 */
        {  6, 34, 62, 90,  0,  0,  0 }, /* 20 */
        {  6, 28, 50, 72, 94,  0,  0 }, /* 21 */
        {  6, 26, 50, 74, 98,  0,  0 }, /* 22 */
        {  6, 30, 54, 78,102,  0,  0 }, /* 23 */
        {  6, 28, 54, 80,106,  0,  0 }, /* 24 */
        {  6, 32, 58, 84,110,  0,  0 }, /* 25 */
        {  6, 30, 58, 86,114,  0,  0 }, /* 26 */
        {  6, 34, 62, 90,118,  0,  0 }, /* 27 */
        {  6, 26, 50, 74, 98,122,  0 }, /* 28 */
        {  6, 30, 54, 78,102,126,  0 }, /* 29 */
        {  6, 26, 52, 78,104,130,  0 }, /* 30 */
        {  6, 30, 56, 82,108,134,  0 }, /* 31 */
        {  6, 34, 60, 86,112,138,  0 }, /* 32 */
        {  6, 30, 58, 86,114,142,  0 }, /* 33 */
        {  6, 34, 62, 90,118,146,  0 }, /* 34 */
        {  6, 30, 54, 78,102,126,150 }, /* 35 */
        {  6, 24, 50, 76,102,128,154 }, /* 36 */
        {  6, 28, 54, 80,106,132,158 }, /* 37 */
        {  6, 32, 58, 84,110,136,162 }, /* 38 */
        {  6, 26, 54, 82,110,138,166 }, /* 39 */
        {  6, 30, 58, 86,114,142,170 }, /* 40 */
};