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#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "php.h"
#include "php_ini.h"
#include "ext/standard/info.h"
#include <puzzle.h>
#include "php_libpuzzle.h"
ZEND_DECLARE_MODULE_GLOBALS(libpuzzle)
/* True global resources - no need for thread safety here */
static int le_libpuzzle;
/* {{{ libpuzzle_functions[]
*/
zend_function_entry libpuzzle_functions[] = {
PHP_FE(puzzle_set_max_width, NULL)
PHP_FE(puzzle_set_max_height, NULL)
PHP_FE(puzzle_set_lambdas, NULL)
PHP_FE(puzzle_set_noise_cutoff, NULL)
PHP_FE(puzzle_set_p_ratio, NULL)
PHP_FE(puzzle_set_contrast_barrier_for_cropping, NULL)
PHP_FE(puzzle_set_max_cropping_ratio, NULL)
PHP_FE(puzzle_set_autocrop, NULL)
PHP_FE(puzzle_fill_cvec_from_file, NULL)
PHP_FE(puzzle_compress_cvec, NULL)
PHP_FE(puzzle_uncompress_cvec, NULL)
PHP_FE(puzzle_vector_normalized_distance, NULL)
{NULL, NULL, NULL} /* Must be the last line in libpuzzle_functions[] */
};
/* }}} */
/* {{{ libpuzzle_module_entry
*/
zend_module_entry libpuzzle_module_entry = {
#if ZEND_MODULE_API_NO >= 20010901
STANDARD_MODULE_HEADER,
#endif
"libpuzzle",
libpuzzle_functions,
PHP_MINIT(libpuzzle),
PHP_MSHUTDOWN(libpuzzle),
PHP_RINIT(libpuzzle), /* Replace with NULL if there's nothing to do at request start */
PHP_RSHUTDOWN(libpuzzle), /* Replace with NULL if there's nothing to do at request end */
PHP_MINFO(libpuzzle),
#if ZEND_MODULE_API_NO >= 20010901
"0.10", /* Replace with version number for your extension */
#endif
STANDARD_MODULE_PROPERTIES
};
/* }}} */
#ifdef COMPILE_DL_LIBPUZZLE
ZEND_GET_MODULE(libpuzzle)
#endif
/* {{{ PHP_MINIT_FUNCTION
*/
PHP_MINIT_FUNCTION(libpuzzle)
{
REGISTER_DOUBLE_CONSTANT("PUZZLE_CVEC_SIMILARITY_THRESHOLD",
PUZZLE_CVEC_SIMILARITY_THRESHOLD,
CONST_CS | CONST_PERSISTENT);
REGISTER_DOUBLE_CONSTANT("PUZZLE_CVEC_SIMILARITY_HIGH_THRESHOLD",
PUZZLE_CVEC_SIMILARITY_HIGH_THRESHOLD,
CONST_CS | CONST_PERSISTENT);
REGISTER_DOUBLE_CONSTANT("PUZZLE_CVEC_SIMILARITY_LOW_THRESHOLD",
PUZZLE_CVEC_SIMILARITY_LOW_THRESHOLD,
CONST_CS | CONST_PERSISTENT);
REGISTER_DOUBLE_CONSTANT("PUZZLE_CVEC_SIMILARITY_LOWER_THRESHOLD",
PUZZLE_CVEC_SIMILARITY_LOWER_THRESHOLD,
CONST_CS | CONST_PERSISTENT);
return SUCCESS;
}
/* }}} */
/* {{{ PHP_MSHUTDOWN_FUNCTION
*/
PHP_MSHUTDOWN_FUNCTION(libpuzzle)
{
return SUCCESS;
}
/* }}} */
/* Remove if there's nothing to do at request start */
/* {{{ PHP_RINIT_FUNCTION
*/
PHP_RINIT_FUNCTION(libpuzzle)
{
puzzle_init_context(&LIBPUZZLE_G(global_context));
return SUCCESS;
}
/* }}} */
/* Remove if there's nothing to do at request end */
/* {{{ PHP_RSHUTDOWN_FUNCTION
*/
PHP_RSHUTDOWN_FUNCTION(libpuzzle)
{
puzzle_free_context(&LIBPUZZLE_G(global_context));
return SUCCESS;
}
/* }}} */
/* {{{ PHP_MINFO_FUNCTION
*/
PHP_MINFO_FUNCTION(libpuzzle)
{
php_info_print_table_start();
php_info_print_table_header(2, "libpuzzle support", "enabled");
php_info_print_table_end();
}
/* }}} */
/* {{{ proto string puzzle_fill_cvec_from_file(string filename)
* Creates a signature out of an image file */
PHP_FUNCTION(puzzle_fill_cvec_from_file)
{
char *arg = NULL;
int arg_len;
PuzzleContext *context;
PuzzleCvec cvec;
context = &LIBPUZZLE_G(global_context);
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC,
"s", &arg, &arg_len) == FAILURE ||
arg_len <= 0) {
RETURN_FALSE;
}
puzzle_init_cvec(context, &cvec);
if (puzzle_fill_cvec_from_file(context, &cvec, arg) != 0) {
puzzle_free_cvec(context, &cvec);
RETURN_FALSE;
}
RETVAL_STRINGL(cvec.vec, cvec.sizeof_vec, 1);
puzzle_free_cvec(context, &cvec);
}
/* }}} */
/* {{{ proto string puzzle_compress_cvec(string cvec)
* Compress a signature to save storage space */
PHP_FUNCTION(puzzle_compress_cvec)
{
char *arg = NULL;
int arg_len;
PuzzleContext *context;
PuzzleCompressedCvec compressed_cvec;
PuzzleCvec cvec;
context = &LIBPUZZLE_G(global_context);
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC,
"s", &arg, &arg_len) == FAILURE ||
arg_len <= 0) {
RETURN_FALSE;
}
puzzle_init_compressed_cvec(context, &compressed_cvec);
puzzle_init_cvec(context, &cvec);
cvec.vec = arg;
cvec.sizeof_vec = (size_t) arg_len;
if (puzzle_compress_cvec(context, &compressed_cvec, &cvec) != 0) {
puzzle_free_compressed_cvec(context, &compressed_cvec);
cvec.vec = NULL;
puzzle_free_cvec(context, &cvec);
RETURN_FALSE;
}
RETVAL_STRINGL(compressed_cvec.vec,
compressed_cvec.sizeof_compressed_vec, 1);
puzzle_free_compressed_cvec(context, &compressed_cvec);
cvec.vec = NULL;
puzzle_free_cvec(context, &cvec);
}
/* }}} */
/* {{{ proto string puzzle_uncompress_cvec(string compressed_cvec)
* Uncompress a compressed signature so that it can be used for computations */
PHP_FUNCTION(puzzle_uncompress_cvec)
{
char *arg = NULL;
int arg_len;
PuzzleContext *context;
PuzzleCompressedCvec compressed_cvec;
PuzzleCvec cvec;
context = &LIBPUZZLE_G(global_context);
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC,
"s", &arg, &arg_len) == FAILURE ||
arg_len <= 0) {
RETURN_FALSE;
}
puzzle_init_compressed_cvec(context, &compressed_cvec);
puzzle_init_cvec(context, &cvec);
compressed_cvec.vec = arg;
compressed_cvec.sizeof_compressed_vec = (size_t) arg_len;
if (puzzle_uncompress_cvec(context, &compressed_cvec, &cvec) != 0) {
puzzle_free_cvec(context, &cvec);
compressed_cvec.vec = NULL;
puzzle_free_compressed_cvec(context, &compressed_cvec);
RETURN_FALSE;
}
RETVAL_STRINGL(cvec.vec, cvec.sizeof_vec, 1);
puzzle_free_cvec(context, &cvec);
compressed_cvec.vec = NULL;
puzzle_free_compressed_cvec(context, &compressed_cvec);
}
/* }}} */
/* {{{ proto double puzzle_vector_normalized_distance(string cvec1, string cvec2 [, bool fix_for_texts])
* Computes the distance between two signatures. Result is between 0.0 and 1.0 */
PHP_FUNCTION(puzzle_vector_normalized_distance)
{
char *vec1 = NULL, *vec2 = NULL;
int vec1_len, vec2_len;
PuzzleContext *context;
PuzzleCvec cvec1, cvec2;
double d;
zend_bool fix_for_texts;
context = &LIBPUZZLE_G(global_context);
if (zend_parse_parameters
(ZEND_NUM_ARGS() TSRMLS_CC, "ss|b",
&vec1, &vec1_len, &vec2, &vec2_len, &fix_for_texts) == FAILURE ||
vec1_len <= 0 || vec2_len <= 0) {
RETURN_FALSE;
}
if (ZEND_NUM_ARGS() TSRMLS_CC < 3) {
fix_for_texts = (zend_bool) 1;
}
puzzle_init_cvec(context, &cvec1);
puzzle_init_cvec(context, &cvec2);
cvec1.vec = vec1;
cvec1.sizeof_vec = (size_t) vec1_len;
cvec2.vec = vec2;
cvec2.sizeof_vec = (size_t) vec2_len;
d = puzzle_vector_normalized_distance(context, &cvec1, &cvec2,
(int) fix_for_texts);
cvec1.vec = cvec2.vec = NULL;
puzzle_free_cvec(context, &cvec1);
puzzle_free_cvec(context, &cvec2);
RETVAL_DOUBLE(d);
}
/* }}} */
/* {{{ proto bool puzzle_set_max_width(int width)
* Set the maximum picture width */
PHP_FUNCTION(puzzle_set_max_width)
{
PuzzleContext *context;
long width;
context = &LIBPUZZLE_G(global_context);
if (zend_parse_parameters
(ZEND_NUM_ARGS() TSRMLS_CC, "l", &width) == FAILURE ||
width <= 0L || width > INT_MAX) {
RETURN_FALSE;
}
if (puzzle_set_max_width(context, (unsigned int) width) != 0) {
RETURN_FALSE;
}
RETVAL_TRUE;
}
/* }}} */
/* {{{ proto bool puzzle_set_max_height(int height)
* Set the maximum picture height */
PHP_FUNCTION(puzzle_set_max_height)
{
PuzzleContext *context;
long height;
context = &LIBPUZZLE_G(global_context);
if (zend_parse_parameters
(ZEND_NUM_ARGS() TSRMLS_CC, "l", &height) == FAILURE ||
height <= 0L || height > INT_MAX) {
RETURN_FALSE;
}
if (puzzle_set_max_height(context, (unsigned int) height) != 0) {
RETURN_FALSE;
}
RETVAL_TRUE;
}
/* }}} */
/* {{{ proto bool puzzle_set_lambdas(int lambdas)
* Set the size of the computation grid */
PHP_FUNCTION(puzzle_set_lambdas)
{
PuzzleContext *context;
long lambdas;
context = &LIBPUZZLE_G(global_context);
if (zend_parse_parameters
(ZEND_NUM_ARGS() TSRMLS_CC, "l", &lambdas) == FAILURE ||
lambdas <= 0L || lambdas > INT_MAX) {
RETURN_FALSE;
}
if (puzzle_set_lambdas(context, (unsigned int) lambdas) != 0) {
RETURN_FALSE;
}
RETVAL_TRUE;
}
/* }}} */
/* {{{ proto bool puzzle_set_noise_cutoff(double cutoff)
* Set the noise cutoff level */
PHP_FUNCTION(puzzle_set_noise_cutoff)
{
PuzzleContext *context;
double cutoff;
context = &LIBPUZZLE_G(global_context);
if (zend_parse_parameters
(ZEND_NUM_ARGS() TSRMLS_CC, "d", &cutoff) == FAILURE) {
RETURN_FALSE;
}
if (puzzle_set_noise_cutoff(context, cutoff) != 0) {
RETURN_FALSE;
}
RETVAL_TRUE;
}
/* }}} */
/* {{{ proto bool puzzle_set_p_ratio(double ratio)
* Set the p_ratio */
PHP_FUNCTION(puzzle_set_p_ratio)
{
PuzzleContext *context;
double p_ratio;
context = &LIBPUZZLE_G(global_context);
if (zend_parse_parameters
(ZEND_NUM_ARGS() TSRMLS_CC, "d", &p_ratio) == FAILURE) {
RETURN_FALSE;
}
if (puzzle_set_p_ratio(context, p_ratio) != 0) {
RETURN_FALSE;
}
RETVAL_TRUE;
}
/* }}} */
/* {{{ proto bool puzzle_set_contrast_barrier_for_cropping(double barrier)
* Set the tolerance level for cropping */
PHP_FUNCTION(puzzle_set_contrast_barrier_for_cropping)
{
PuzzleContext *context;
double barrier;
context = &LIBPUZZLE_G(global_context);
if (zend_parse_parameters
(ZEND_NUM_ARGS() TSRMLS_CC, "d", &barrier) == FAILURE) {
RETURN_FALSE;
}
if (puzzle_set_contrast_barrier_for_cropping(context, barrier) != 0) {
RETURN_FALSE;
}
RETVAL_TRUE;
}
/* }}} */
/* {{{ proto bool puzzle_set_max_cropping_ratio(double ratio)
* Set the maximum ratio between the cropped area and the whole picture */
PHP_FUNCTION(puzzle_set_max_cropping_ratio)
{
PuzzleContext *context;
double ratio;
context = &LIBPUZZLE_G(global_context);
if (zend_parse_parameters
(ZEND_NUM_ARGS() TSRMLS_CC, "d", &ratio) == FAILURE) {
RETURN_FALSE;
}
if (puzzle_set_max_cropping_ratio(context, ratio) != 0) {
RETURN_FALSE;
}
RETVAL_TRUE;
}
/* }}} */
/* {{{ proto bool puzzle_set_autocrop(bool autocrop)
* TRUE to enable autocropping, FALSE to disable */
PHP_FUNCTION(puzzle_set_autocrop)
{
PuzzleContext *context;
zend_bool autocrop;
context = &LIBPUZZLE_G(global_context);
if (zend_parse_parameters
(ZEND_NUM_ARGS() TSRMLS_CC, "b", &autocrop) == FAILURE) {
RETURN_FALSE;
}
if (puzzle_set_autocrop(context, (int) autocrop) != 0) {
RETURN_FALSE;
}
RETVAL_TRUE;
}
/* }}} */
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
* vim600: noet sw=4 ts=4 fdm=marker
* vim<600: noet sw=4 ts=4
*/
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