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#include <iostream>
#include <stdlib.h>
#include <string.h>
#include "ocradlib.h"
// Required by OCRAD, not used here:
#include <vector>
#include <stdio.h>
#include "common.h"
#include "rectangle.h"
#include "bitmap.h"
#include "blob.h"
#include "character.h"
using namespace std;
/* Actual max height is 12, but we leave some more for extensions: */
const char* TESTS[][12] =
{
/* Test1: "N" is not detected */
{
"11100001",
"11110001",
"11110001",
"11011001",
"11011101",
"11001111",
"11000111",
"11000111",
"11000011",
},
/* Test2: "N" is not detected */
{
"11000011",
"11100011",
"11110011",
"11110011",
"10011011",
"10011111",
"10001111",
"10000111",
"10000111",
},
/* Test3: Detected as "r": */
{
"000000010",
"000000111",
"000001110",
"000011100",
"000111000",
"001111000",
"011110000",
"111100000",
"011000000",
},
/* Test4: Detected as "r": */
{
"00000011111",
"00000111100",
"00011110000",
"01111100000",
"11110000000",
"11000000000",
},
/* Test5: Detected as "r": */
{
"00111",
"01110",
"01110",
"01110",
"11100",
"11100",
"11100",
"11000",
"11000",
},
/* Test6: Detected as "t": */
{
"00111",
"00111",
"00110",
"01110",
"01110",
"01110",
"11100",
"11100",
"11100"
}
};
char run_test(int n)
{
int height = 0;
int width = strlen(TESTS[n][0]);
while (TESTS[n][height] != NULL)
{
height++;
}
const char** image = TESTS[n];
cout << "Test " << n + 1 << ": width x height = " << width << "x" << height << endl;
// Blob for recognition attempt via Character::recognize1():
Blob* b = new Blob(0, 0, width-1, height-1);
// OCRAD_Pixmap for recognition attempt via OCRAD_result_first_character():
struct OCRAD_Pixmap* opix = new OCRAD_Pixmap();
unsigned char* bitmap_data = (unsigned char*) malloc(width * height);
unsigned char* greymap_data = (unsigned char*) malloc(width * height);
memset(bitmap_data, 0, width * height);
memset(greymap_data, 255, width * height);
opix->height = height;
opix->width = width;
opix->mode = OCRAD_bitmap;
opix->data = bitmap_data;
// opix->mode = OCRAD_greymap; opix->data = greymap_data;
for (int row = 0; row < height; row++)
{
for (int col = 0; col < width; col++)
if (image[row][col] == '1')
{
b->set_bit(row, col, true);
bitmap_data[row * width + col] = 1;
greymap_data[row * width + col] = 0;
}
}
b->find_holes();
Control control;
Character a(b);
// The Blob object was delegated to Character, which will free it on destruction:
b = NULL;
a.recognize1(control.charset, Rectangle::Rectangle(a.left(), a.top(), a.right(), a.bottom()));
char c1 = a.byte_result();
// Was the character recognised by OCRAD?
cout << "+ recognised via Character::recognize1(): " << c1 << endl;
char c2 = 0;
OCRAD_Descriptor * const ocrdes = OCRAD_open();
if (ocrdes && OCRAD_get_errno(ocrdes) == OCRAD_ok &&
OCRAD_set_image(ocrdes, opix, 0) == 0 &&
( height >= 10 || OCRAD_scale( ocrdes, 2 ) == 0 ) &&
OCRAD_recognize(ocrdes, 0) == 0 )
c2 = OCRAD_result_first_character(ocrdes);
OCRAD_close(ocrdes);
delete opix;
free(bitmap_data);
free(greymap_data);
cout << "+ recognised via OCRAD_result_first_character(): " << c2 << endl;
}
int main()
{
for (unsigned int n = 0; n < 6; n++)
{
run_test(n);
}
}
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