diff options
Diffstat (limited to 'deduper/libpuzzle/php/libpuzzle/libpuzzle.c')
| -rw-r--r-- | deduper/libpuzzle/php/libpuzzle/libpuzzle.c | 410 |
1 files changed, 410 insertions, 0 deletions
diff --git a/deduper/libpuzzle/php/libpuzzle/libpuzzle.c b/deduper/libpuzzle/php/libpuzzle/libpuzzle.c new file mode 100644 index 0000000..82e84c3 --- /dev/null +++ b/deduper/libpuzzle/php/libpuzzle/libpuzzle.c @@ -0,0 +1,410 @@ +#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 + */ |