void test_verpat(void)
{
int version;
unsigned int pattern;
int err = 0;
unsigned int data;
unsigned int code;
int i, c;
unsigned int mask;
for(version=7; version <= QRSPEC_VERSION_MAX; version++) {
pattern = QRspec_getVersionPattern(version);
if((pattern >> 12) != (unsigned int)version) {
printf("Error in version %d.\n", version);
err++;
continue;
}
mask = 0x40;
for(i=0; mask != 0; i++) {
if(version & mask) break;
mask = mask >> 1;
}
c = 6 - i;
data = version << 12;
code = 0x1f25 << c;
mask = 0x40000 >> (6 - c);
for(i=0; i<=c; i++) {
if(mask & data) {
data ^= code;
}
code = code >> 1;
mask = mask >> 1;
}
data = (version << 12) | (data & 0xfff);
if(data != pattern) {
printf("Error in version %d\n", version);
err++;
}
}
}
static unsigned char *QRspec_createFrame(int version)
{
unsigned char *frame, *p, *q;
int width;
int x, y;
unsigned int verinfo, v;
width = qrspecCapacity[version].width;
frame = (unsigned char *)malloc(width * width);
if(frame == NULL) return NULL;
memset(frame, 0, width * width);
/* Finder pattern */
putFinderPattern(frame, width, 0, 0);
putFinderPattern(frame, width, width - 7, 0);
putFinderPattern(frame, width, 0, width - 7);
/* Separator */
p = frame;
q = frame + width * (width - 7);
for(y=0; y<7; y++) {
p[7] = 0xc0;
p[width - 8] = 0xc0;
q[7] = 0xc0;
p += width;
q += width;
}
memset(frame + width * 7, 0xc0, 8);
memset(frame + width * 8 - 8, 0xc0, 8);
memset(frame + width * (width - 8), 0xc0, 8);
/* Mask format information area */
memset(frame + width * 8, 0x84, 9);
memset(frame + width * 9 - 8, 0x84, 8);
p = frame + 8;
for(y=0; y<8; y++) {
*p = 0x84;
p += width;
}
p = frame + width * (width - 7) + 8;
for(y=0; y<7; y++) {
*p = 0x84;
p += width;
}
/* Timing pattern */
p = frame + width * 6 + 8;
q = frame + width * 8 + 6;
for(x=1; x<width-15; x++) {
*p = 0x90 | (x & 1);
*q = 0x90 | (x & 1);
p++;
q += width;
}
/* Alignment pattern */
QRspec_putAlignmentPattern(version, frame, width);
/* Version information */
if(version >= 7) {
verinfo = QRspec_getVersionPattern(version);
p = frame + width * (width - 11);
v = verinfo;
for(x=0; x<6; x++) {
for(y=0; y<3; y++) {
p[width * y + x] = 0x88 | (v & 1);
v = v >> 1;
}
}
p = frame + width - 11;
v = verinfo;
for(y=0; y<6; y++) {
for(x=0; x<3; x++) {
p[x] = 0x88 | (v & 1);
v = v >> 1;
}
p += width;
}
}