static int Mask_writeFormatInformation(int width, unsigned char *frame, int mask, QRecLevel level)
{
unsigned int format;
unsigned char v;
int i;
int blacks = 0;
format = QRspec_getFormatInfo(mask, level);
for(i=0; i<8; i++) {
if(format & 1) {
blacks += 2;
v = 0x85;
} else {
v = 0x84;
}
frame[width * 8 + width - 1 - i] = v;
if(i < 6) {
frame[width * i + 8] = v;
} else {
frame[width * (i + 1) + 8] = v;
}
format= format >> 1;
}
for(i=0; i<7; i++) {
if(format & 1) {
blacks += 2;
v = 0x85;
} else {
v = 0x84;
}
frame[width * (width - 7 + i) + 8] = v;
if(i == 0) {
frame[width * 8 + 7] = v;
} else {
frame[width * 8 + 6 - i] = v;
}
format= format >> 1;
}
return blacks;
}
void test_format(void)
{
unsigned int format;
int i, j;
int err = 0;
testStart("Format info test");
for(i=0; i<4; i++) {
for(j=0; j<8; j++) {
format = calcFormatInfo(j, (QRecLevel)i);
// printf("0x%04x, ", format);
if(format != QRspec_getFormatInfo(j, (QRecLevel)i)) {
printf("Level %d, mask %x\n", i, j);
err++;
}
}
// printf("\n");
}
testEnd(err);
}
void test_format(void)
{
unsigned char *frame;
unsigned int format;
int width;
int i;
unsigned int decode;
int blacks, b1 = 0, b2 = 0;
testStart("Test format information(level L,mask 0)");
width = QRspec_getWidth(1);
frame = QRspec_newFrame(1);
format = QRspec_getFormatInfo(1, QR_ECLEVEL_L);
blacks = Mask_writeFormatInformation(width, frame, 1, QR_ECLEVEL_L);
decode = 0;
for(i=0; i<15; i++) {
if((1<<i) & format) b2 += 2;
}
for(i=0; i<8; i++) {
decode = decode << 1;
decode |= frame[width * 8 + i + (i > 5)] & 1;
if(decode & 1) b1++;
}
for(i=0; i<7; i++) {
decode = decode << 1;
decode |= frame[width * ((6 - i) + (i < 1)) + 8] & 1;
if(decode & 1) b1++;
}
if(decode != format) {
printf("Upper-left format information is invalid.\n");
printf("%08x, %08x\n", format, decode);
testEnd(1);
return;
}
decode = 0;
for(i=0; i<7; i++) {
decode = decode << 1;
decode |= frame[width * (width - 1 - i) + 8] & 1;
if(decode & 1) b1++;
}
for(i=0; i<8; i++) {
decode = decode << 1;
decode |= frame[width * 8 + width - 8 + i] & 1;
if(decode & 1) b1++;
}
if(decode != format) {
printf("Bottom and right format information is invalid.\n");
printf("%08x, %08x\n", format, decode);
testEnd(1);
return;
}
if(b2 != blacks || b1 != b2) {
printf("Number of dark modules is incorrect.\n");
printf("Return value: %d, dark modules in frame: %d, should be: %d\n", blacks, b1, b2);
testEnd(1);
return;
}
free(frame);
testEnd(0);
}
