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#include <stdio.h>
#include <string.h>
#include "common.h"
#include "../mmask.h"
#include "../mqrspec.h"
char dot[2] = {'_', '#'};
static char *maskPatterns[4] = {
/* i mod 2 = 0 */
"######"
"______"
"######"
"______"
"######"
"______",
/* ((i div 2) + (j div 3)) mod 2 = 0 */
"###___"
"###___"
"___###"
"___###"
"###___"
"###___",
/* ((ij) mod 2 + (ij) mod 3) mod 2 = 0 */
"######"
"###___"
"##_##_"
"#_#_#_"
"#_##_#"
"#___##",
/* ((ij) mod 3 + (i+j) mod 2) mod 2 = 0 */
"#_#_#_"
"___###"
"#___##"
"_#_#_#"
"###___"
"_###__"
};
void print_mask(int mask)
{
const int w = 6;
unsigned char frame[w * w], *masked, *p;
int x, y;
memset(frame, 0, w * w);
masked = MMask_makeMaskedFrame(w, frame, mask);
p = masked;
for(y=0; y<w; y++) {
for(x=0; x<w; x++) {
putchar(dot[*p&1]);
p++;
}
printf("\n");
}
printf("\n");
free(masked);
}
void print_masks(void)
{
int i;
for(i=0; i<4; i++) {
print_mask(i);
}
}
int test_mask(int mask)
{
const int w = 6;
unsigned char frame[w * w], *masked, *p;
char *q;
int x, y;
int err = 0;
memset(frame, 0, w * w);
masked = MMask_makeMaskedFrame(w, frame, mask);
p = masked;
q = maskPatterns[mask];
for(y=0; y<w; y++) {
for(x=0; x<w; x++) {
if(dot[*p&1] != *q) {
err++;
}
p++;
q++;
}
}
free(masked);
return err;
}
void test_masks(void)
{
int i;
testStart("Mask pattern checks");
for(i=0; i<4; i++) {
assert_zero(test_mask(i), "Mask pattern %d incorrect.\n", i);
}
testFinish();
}
void test_maskEvaluation(void)
{
static const int w = 11;
unsigned char pattern[w*w];
int i, score;
memset(pattern, 0, w*w);
testStart("Test mask evaluation");
score = MMask_evaluateSymbol(w, pattern);
assert_equal(score, 0, "Mask score caluculation is incorrect. (score=%d (%d expected)\n", score, 0);
for(i=0; i<w; i++) {
pattern[(w-1) * w + i] = 1;
}
score = MMask_evaluateSymbol(w, pattern);
assert_equal(score, 16 + w - 1, "Mask score caluculation is incorrect. (score=%d) (%d expected)\n", score, 16 + w - 1);
for(i=0; i<w; i++) {
pattern[(w-1) * w + i] = 0;
pattern[i * w + w - 1] = 1;
}
score = MMask_evaluateSymbol(w, pattern);
assert_equal(score, 16 + w - 1, "Mask score caluculation is incorrect. (score=%d) (%d expected)\n", score, 16 + w - 1);
for(i=0; i<w; i++) {
pattern[(w-1) * w + i] = 1;
pattern[i * w + w - 1] = 1;
}
score = MMask_evaluateSymbol(w, pattern);
assert_equal(score, 16 * (w - 1) + w - 1, "Mask score caluculation is incorrect. (score=%d) (%d expected)\n", score, 16 * (w - 1) + w - 1);
testFinish();
}
int main(void)
{
//print_masks();
test_masks();
test_maskEvaluation();
report();
MQRspec_clearCache();
return 0;
}
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