static int Mask_evaluateSymbol(int width, unsigned char *frame)
{
int x, y;
int demerit = 0;
int runLength[QRSPEC_WIDTH_MAX + 1];
int length;
demerit += Mask_calcN2(width, frame);
for(y=0; y<width; y++) {
length = Mask_calcRunLength(width, frame + y * width, 0, runLength);
demerit += Mask_calcN1N3(length, runLength);
}
for(x=0; x<width; x++) {
length = Mask_calcRunLength(width, frame + x, 1, runLength);
demerit += Mask_calcN1N3(length, runLength);
}
return demerit;
}
void test_calcN1N3(void)
{
int runLength[26];
int length;
int demerit;
int i;
static unsigned char pattern[][16] = {
{1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1, 1, 0, 1, 1, N3},
{0, 0, 1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1, 1, 0, N3},
{1, 0, 1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1, 1, 0, 0},
{1, 0, 1, 0, 1, 1, 1, 0, 1, 0, 0, 0, 0, 1, 1, N3},
{1, 1, 1, 0, 1, 0, 0, 0, 1, 0, 1, 1, 1, 0, 1, N3},
{1, 0, 1, 1, 1, 0, 1, 0, 1, 0, 1, 1, 1, 0, 1, N3 * 2},
};
static unsigned char pattern2[][19] = {
{1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 0, 1, 1, 0, N3 + N1 + 1},
{0, 0, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 0, 1, N3 + N1 + 1},
{1, 0, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 0, 1, N1 + 1},
{1, 0, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 0, 0, N3 + N1 + 1},
{1, 1, 1, 0, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, N3 + N1 + 1}
};
testStart("Test N3 penalty calculation");
for(i=0; i<6; i++) {
length = Mask_calcRunLength(15, pattern[i], 0, runLength);
demerit = Mask_calcN1N3(length, runLength);
assert_equal(pattern[i][15], demerit, "N3 penalty is wrong: %d, expected %d\n", demerit, pattern[i][15]);
}
for(i=0; i<5; i++) {
length = Mask_calcRunLength(18, pattern2[i], 0, runLength);
demerit = Mask_calcN1N3(length, runLength);
assert_equal(pattern2[i][18], demerit, "N3 penalty is wrong: %d, expected %d\n", demerit, pattern2[i][18]);
}
testFinish();
}
//__STATIC
static int Mask_evaluateSymbol(int width, unsigned char *frame)
{
int x, y;
unsigned char *p;
unsigned char b22, w22;
int head;
int demerit = 0;
p = frame;
for(y=0; y<width; y++) {
head = 0;
runLength[0] = 1;
for(x=0; x<width; x++) {
if(x > 0 && y > 0) {
b22 = p[0] & p[-1] & p[-width] & p [-width-1];
w22 = p[0] | p[-1] | p[-width] | p [-width-1];
if((b22 | (w22 ^ 1))&1) {
demerit += N2;
}
}
if(x == 0 && (p[0] & 1)) {
runLength[0] = -1;
head = 1;
runLength[head] = 1;
} else if(x > 0) {
if((p[0] ^ p[-1]) & 1) {
head++;
runLength[head] = 1;
} else {
runLength[head]++;
}
}
p++;
}
demerit += Mask_calcN1N3(head+1, runLength);
}
for(x=0; x<width; x++) {
head = 0;
runLength[0] = 1;
p = frame + x;
for(y=0; y<width; y++) {
if(y == 0 && (p[0] & 1)) {
runLength[0] = -1;
head = 1;
runLength[head] = 1;
} else if(y > 0) {
if((p[0] ^ p[-width]) & 1) {
head++;
runLength[head] = 1;
} else {
runLength[head]++;
}
}
p+=width;
}
demerit += Mask_calcN1N3(head+1, runLength);
}
return demerit;
}