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|
/*
+----------------------------------------------------------------------+
| PHP Version 5 |
+----------------------------------------------------------------------+
| This source file is subject to BSD 3-Clause license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://opensource.org/licenses/BSD-3-Clause. |
| If you did not receive a copy of the BSD license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| robert@xarg.org so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: Robert Eisele <robert@xarg.org> |
+----------------------------------------------------------------------+
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "php.h"
#include "ext/standard/info.h"
#include "php_facedetect.h"
#include <opencv/cv.h>
#include <opencv/highgui.h>
/* {{{ facedetect_functions[]
*
* Every user visible function must have an entry in facedetect_functions[].
*/
static zend_function_entry facedetect_functions[] = {
PHP_FE(face_detect, NULL)
PHP_FE(face_count, NULL)
{NULL, NULL, NULL}
};
/* }}} */
/* {{{ facedetect_module_entry
*/
zend_module_entry facedetect_module_entry = {
#if ZEND_MODULE_API_NO >= 20010901
STANDARD_MODULE_HEADER,
#endif
PHP_FACEDETECT_EXTNAME,
facedetect_functions,
NULL,
NULL,
NULL,
NULL,
PHP_MINFO(facedetect),
#if ZEND_MODULE_API_NO >= 20010901
PHP_FACEDETECT_VERSION,
#endif
STANDARD_MODULE_PROPERTIES
};
/* }}} */
#ifdef COMPILE_DL_FACEDETECT
ZEND_GET_MODULE(facedetect)
#endif
/* {{{ PHP_MINIT_FUNCTION
*/
PHP_MINFO_FUNCTION(facedetect)
{
php_info_print_table_start();
php_info_print_table_row(2, "facedetect support", "enabled");
php_info_print_table_row(2, "facedetect version", PHP_FACEDETECT_VERSION);
php_info_print_table_row(2, "OpenCV version", CV_VERSION);
php_info_print_table_end();
}
/* }}} */
static void php_facedetect(INTERNAL_FUNCTION_PARAMETERS, int return_type)
{
char *file, *casc;
long flen, clen;
#ifdef ZEND_ENGINE_3
zval array;
#else
zval *array;
#endif
zval *pArray;
CvHaarClassifierCascade* cascade;
IplImage *img, *gray;
CvMemStorage *storage;
CvSeq *faces;
CvRect *rect;
if(zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ss", &file, &flen, &casc, &clen) == FAILURE) {
RETURN_NULL();
}
img = cvLoadImage(file, 1);
if(!img) {
RETURN_FALSE;
}
cascade = (CvHaarClassifierCascade*)cvLoad(casc, 0, 0, 0);
if(!cascade) {
RETURN_FALSE;
}
gray = cvCreateImage(cvSize(img->width, img->height), 8, 1);
cvCvtColor(img, gray, CV_BGR2GRAY);
cvEqualizeHist(gray, gray);
storage = cvCreateMemStorage(0);
faces = cvHaarDetectObjects(gray, cascade, storage, 1.1, 2, CV_HAAR_DO_CANNY_PRUNING, cvSize(0, 0), cvSize(0, 0));
if(return_type) {
array_init(return_value);
if(faces && faces->total > 0) {
int i;
for(i = 0; i < faces->total; i++) {
#ifdef ZEND_ENGINE_3
ZVAL_NEW_ARR(&array);
pArray = &array;
#else
MAKE_STD_ZVAL(array);
pArray = array;
#endif
array_init(pArray);
rect = (CvRect *)cvGetSeqElem(faces, i);
add_assoc_long(pArray, "x", rect->x);
add_assoc_long(pArray, "y", rect->y);
add_assoc_long(pArray, "w", rect->width);
add_assoc_long(pArray, "h", rect->height);
add_next_index_zval(return_value, pArray);
}
}
} else {
RETVAL_LONG(faces ? faces->total : 0);
}
cvReleaseMemStorage(&storage);
cvReleaseImage(&gray);
cvReleaseImage(&img);
}
/* {{{ proto array face_detect(string picture_path, string cascade_file)
Finds coordinates of faces (or in gernal "objects") on the given picture */
PHP_FUNCTION(face_detect)
{
php_facedetect(INTERNAL_FUNCTION_PARAM_PASSTHRU, 1);
}
/* }}} */
/* {{{ proto int face_count(string picture_path, string cascade_file)
Finds number of faces (or in gernal "objects") on the given picture*/
PHP_FUNCTION(face_count)
{
php_facedetect(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0);
}
/* }}} */
|
