1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
|
#include <stdlib.h>
#include <time.h>
#include "sum.h"
#include "lcms.h"
#include "qcms.h"
int main(int argc, char **argv)
{
char *input_path = argv[1];
char *output_path = argv[2];
qcms_profile *input_profile, *output_profile;
qcms_transform *transform;
#define ALL
#ifndef ALL
#define LENGTH 1
#else
#define LENGTH (256*256*256)
#endif
static unsigned char src[LENGTH*3];
static unsigned char qoutput[LENGTH*3];
static unsigned char loutput[LENGTH*3];
#ifdef ALL
int i,j,k,l=0;
for (i=0; i<256; i++) {
for (j=0; j<256; j++) {
for (k=0; k<256; k++) {
src[l++] = i;
src[l++] = j;
src[l++] = k;
}
}
}
#else
int i;
src[0] = 19;
src[1] = 28;
src[2] = 56;
#endif
clock_t lcms_start = clock();
cmsHPROFILE linput_profile, loutput_profile;
cmsHTRANSFORM transformFixed;
linput_profile = cmsOpenProfileFromFile(input_path, "r");
loutput_profile = cmsOpenProfileFromFile(output_path, "r");
#if 0
cmsPrecacheProfile(loutput_profile, CMS_PRECACHE_LI168_REVERSE);
cmsPrecacheProfile(linput_profile, CMS_PRECACHE_LI8F_FORWARD);
int flags = cmsFLAGS_FLOATSHAPER;
#else
int flags = 0;
#endif
transformFixed = cmsCreateTransform(
linput_profile, TYPE_RGB_8,
loutput_profile, TYPE_RGB_8,
INTENT_RELATIVE_COLORIMETRIC, flags);
#if 0
QCMS_INTENT_PERCEPTUAL = 0,
QCMS_INTENT_RELATIVE_COLORIMETRIC = 1,
QCMS_INTENT_SATURATION = 2,
QCMS_INTENT_ABSOLUTE_COLORIMETRIC = 3
#endif
cmsDoTransform(transformFixed, src, loutput, LENGTH);
clock_t lcms_time = clock() - lcms_start;
clock_t qcms_start = clock();
input_profile = qcms_profile_from_path(input_path);
output_profile = qcms_profile_from_path(output_path);
qcms_profile_precache_output_transform(output_profile);
transform = qcms_transform_create(input_profile, QCMS_DATA_RGB_8, output_profile, QCMS_DATA_RGB_8, QCMS_INTENT_PERCEPTUAL);
qcms_transform_data(transform, src, qoutput, LENGTH);
clock_t qcms_time = clock() - qcms_start;
printf("lcms: %ld\n", lcms_time);
printf("qcms: %ld\n", qcms_time);
int total_diff = 0;
for (i=0; i<LENGTH; i++) {
int diff = 0;
diff += abs(loutput[i*3]-qoutput[i*3]);
diff += abs(loutput[i*3+1]-qoutput[i*3+1]);
diff += abs(loutput[i*3+2]-qoutput[i*3+2]);
total_diff += diff;
if (diff > 3) {
printf("differing output(%d): (%d %d %d) -> l(%d %d %d) vs. q(%d %d %d)\n",
diff, src[i*3], src[i*3+1], src[i*3+2],
loutput[i*3], loutput[i*3+1], loutput[i*3+2],
qoutput[i*3],
qoutput[i*3+1],
qoutput[i*3+2]);
//exit(1);
}
}
printf("%d - %f\n", total_diff, (double)total_diff/LENGTH);
qcms_profile_release(input_profile);
qcms_profile_release(output_profile);
return 0;
}
|
