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#include <ApplicationServices/ApplicationServices.h>
#include <dlfcn.h>
#include <stdio.h>
#define BITMAP_INFO (kCGBitmapByteOrder32Big | kCGImageAlphaNoneSkipLast)
int main(int argc, char **argv) {
int width = 256;
int height = 256*256;
char *input_profile_file = "input.icc";
char *output_profile_file = "output.icc";
if (argc >= 3) {
input_profile_file = argv[1];
output_profile_file = argv[2];
}
CGDataProviderRef input_file = CGDataProviderCreateWithFilename(input_profile_file);
CGDataProviderRef output_file = CGDataProviderCreateWithFilename(output_profile_file);
float range[] = {0, 1., 0, 1., 0, 1.};
CGColorSpaceRef output_profile = CGColorSpaceCreateICCBased(3, range, output_file, NULL);
CGColorSpaceRef input_profile = CGColorSpaceCreateICCBased(3, range, input_file, NULL);
CGColorSpaceRef cs = CGColorSpaceCreateDeviceRGB();
CGContextRef cin = CGBitmapContextCreate(NULL, width, height,
8, 4*width, input_profile, BITMAP_INFO);
CGContextRef cout = CGBitmapContextCreate(NULL, width, height,
8, 4*width, output_profile, BITMAP_INFO);
CGRect rect = {{0,0},{width, height}};
CGImageRef copy = CGBitmapContextCreateImage(cin);
#define LENGTH 256*256*256
static unsigned char src[LENGTH*3];
static unsigned char qoutput[LENGTH*3];
static unsigned char loutput[LENGTH*3];
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;
}
}
}
CGDataProviderRef dp = CGDataProviderCreateWithData(NULL, src, height * width * 3, NULL);
CGImageRef ref = CGImageCreate(width, height, 8, 24, width * 3, input_profile, BITMAP_INFO, dp, NULL, 1, kCGRenderingIntentDefault);
clock_t qcms_start = clock();
CGContextDrawImage(cout, rect, ref);
clock_t qcms_time = clock() - qcms_start;
printf("ColorSync: %ld\n", qcms_time);
}
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