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#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <unistd.h>
#include <stdlib.h>
#include <fcntl.h>
#include <sys/mman.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "baseapi.h"
#include "varable.h"
#include "tessvars.h"
#define FAILIF(cond, msg...) do { \
if (cond) { \
fprintf(stderr, "%s(%d): ", __FILE__, __LINE__); \
fprintf(stderr, ##msg); \
exit(1); \
} \
} while(0)
// This is to make the ratings file parser happy.
BOOL_VAR (tessedit_write_images, FALSE,
"Capture the image from the IPE");
int main(int argc, char **argv) {
const char *infile, *outfile, *lang, *ratings;
void *buffer;
struct stat s;
int x, y, ifd;
FAILIF(argc < 6 || argc > 7,
"tesstest infile xres yres outfile lang [ratings]\n");
infile = argv[1];
FAILIF(sscanf(argv[2], "%d", &x) != 1, "could not parse x!\n");
FAILIF(sscanf(argv[3], "%d", &y) != 1, "could not parse y!\n");
outfile = argv[4];
lang = argv[5];
ratings = argv[6];
printf("input file %s\n", infile);
ifd = open(infile, O_RDONLY);
FAILIF(ifd < 0, "open(%s): %s\n", infile, strerror(errno));
FAILIF(fstat(ifd, &s) < 0, "fstat(%d): %s\n", ifd, strerror(errno));
printf("file size %lld\n", s.st_size);
buffer = mmap(NULL, s.st_size * 2 / 3, PROT_READ, MAP_PRIVATE, ifd, 0);
FAILIF(buffer == MAP_FAILED, "mmap(): %s\n", strerror(errno));
printf("infile mmapped at %p\n", buffer);
tesseract::TessBaseAPI api;
printf("lang %s\n", lang);
FAILIF(api.Init("/sdcard/", lang), "could not initialize tesseract\n");
if (ratings) {
printf("ratings %s\n", ratings);
FAILIF(false == api.ReadConfigFile("/sdcard/tessdata/ratings"),
"could not read config file\n");
}
printf("set image x=%d, y=%d\n", x, y);
api.SetImage((const unsigned char *)buffer, x, y, 1, x);
printf("recognize\n");
char * text = api.GetUTF8Text();
if (tessedit_write_images) {
page_image.write("tessinput.tif");
}
FAILIF(text == NULL, "didn't recognize\n");
printf("write to output %s\n", outfile);
FILE* fp = fopen(outfile, "w");
if (fp != NULL) {
fwrite(text, strlen(text), 1, fp);
fclose(fp);
}
//delete [] text;
return 0;
}
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