1 // 画像のだいたいの色とサイズを返すgearman worker

2 #include <stdio.h>

3 #include <stdlib.h>

4 #include <unistd.h>

5 #include <string>

6 #include <iostream>

7 #include <cv.h>

8 #include <highgui.h>

9 #include <boost/regex.hpp>

10 #include <boost/format.hpp>

11 #include <libgearman/gearman.h>

12

13 using namespace boost;

14 using namespace std;

15 IplImage *img, *img1px, *imgR, *imgG, *imgB;

16

17 void *job_imgcolor(gearman_job_st *job, void *cb_arg, size_t *result_size, gearman_return_t *ret_ptr);

18

19 int main(int argc, char* argv[]) {

20 img1px = cvCreateImage(cvSize(1,1), IPL_DEPTH_8U, 3);

21 imgR = cvCreateImage(cvSize(1,1), IPL_DEPTH_8U, 1);

22 imgG = cvCreateImage(cvSize(1,1), IPL_DEPTH_8U, 1);

23 imgB = cvCreateImage(cvSize(1,1), IPL_DEPTH_8U, 1);

24

25 gearman_worker_st worker;

26 gearman_worker_create(&worker);

27 gearman_worker_add_server(&worker, "127.0.0.1", 7003);

28 gearman_worker_add_function(&worker, "img_color", 0, job_imgcolor, NULL);

29

30 while(true) gearman_worker_work(&worker);

31 return 0;

32 }

33

34 void *job_imgcolor(gearman_job_st *job, void *cb_arg, size_t *result_size, gearman_return_t *ret_ptr){

35 string fileName = (char*)gearman_job_workload(job);

36 string result_str = "";

37 IplImage *img = cvLoadImage(fileName.c_str());

38 if(!img){

39 result_str += "{error: image load error}";

40 }

41 else{

42 cvResize(img, img1px, CV_INTER_CUBIC);

43 cvSplit(img1px, imgB, imgG, imgR, NULL);

44 result_str += str(format("{width: %d, height: %d, r: %d, g: %d, b:%d}")

45 % img->width % img->height %

46 (uint)(uchar)imgR->imageDataOrigin[0] %

47 (uint)(uchar)imgG->imageDataOrigin[0] %

48 (uint)(uchar)imgB->imageDataOrigin[0]);

49 cvReleaseImage(&img);

50 }

51 cout << fileName << " => " << result_str << endl;

52

53 char *result = (char*)strdup(result_str.c_str());

54 *result_size = result_str.size();

55 *ret_ptr = GEARMAN_SUCCESS;

56 return result;

57 }