pdf.c

/* Copyright (c) 1997-2019 PDFlib GmbH */

/* Bootstrap of PDFlib Feature setup */

#if _MSC_VER >= 1310    /* VS .NET 2003 and later */
#pragma warning(disable: 4996)  /* ignore deprecated warnings */
#pragma warning(disable: 4101)  /* ignore unused variables */
#endif

#ifdef __clang__
#pragma clang diagnostic ignored "-Wdeprecated-declarations"
#endif

#ifdef __GNUC__
#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
#endif

/* Extension version */
#include "php_pdflib.h"

#ifdef HAVE_CONFIG_H
# include "config.h"
#endif /* HAVE_CONFIG_H */

#include "php.h"
#include "php_ini.h"
#include "ext/standard/info.h"
#include "zend_exceptions.h"
#include "pdflib.h"
#include "php_pdf.h"
#include "pdflib_arginfo.h"

#if PDFLIB_MAJORVERSION <= 6
#error PDFlib 6 and earlier are no longer supported (use pdflib-2.x.x pecl package instead)
#endif /* PDFLIB_MAJORVERSION <= 6 */

/* {{{ pdf_functions[]
 */

static int le_pdf;

#if PHP_MAJOR_VERSION >= 8
/* removed in PHP 8, BC only */
#define TSRMLS_C
#define TSRMLS_CC
#define TSRMLS_DC
#endif

typedef struct _pdflib_object {
#if PHP_MAJOR_VERSION >= 7
    PDF *p;
    zend_object zobj;
#else
    zend_object zobj;
    PDF *p;
#endif
} pdflib_object;

#if PHP_MAJOR_VERSION >= 8
#define PDF_PROP_OBJ(obj) Z_OBJ_P(obj)
#else
#define PDF_PROP_OBJ(obj) obj
#endif

static inline pdflib_object *php_pdflib_fetch_object(zend_object *obj) {
    return (pdflib_object *)((char*)(obj) - XtOffsetOf(pdflib_object, zobj));
}
#define Z_PDFLIB_OBJ_P(zv) php_pdflib_fetch_object(Z_OBJ_P(zv));

/* }}} */

/* {{{ pdflib_methods[] OO-Mapping
 */

zend_class_entry *pdflib_class;
zend_class_entry *pdflib_exception_class;


#define PDF_ME_MAPPING(a, b, c) PHP_ME_MAPPING(a, b, c, ZEND_ACC_PUBLIC | ZEND_ACC_FINAL)

static zend_object_handlers pdflib_handlers;

/* }}} */

/* {{{ PDFlib_module_entry
 */
zend_module_entry PDFlib_module_entry = {
    STANDARD_MODULE_HEADER,
    "PDFlib",
    ext_functions,
    PHP_MINIT(PDFlib),
    PHP_MSHUTDOWN(PDFlib),
    NULL,
    NULL,
    PHP_MINFO(PDFlib),
    PHP_PDFLIB_VERSION,
    STANDARD_MODULE_PROPERTIES
};
/* }}} */

#if defined(COMPILE_DL_PDF) || defined(COMPILE_DL_PDFLIB)
#ifdef ZTS
ZEND_TSRMLS_CACHE_DEFINE();
#endif
ZEND_GET_MODULE(PDFlib)
#endif /* COMPILE_DL_PDF */

/* exception handling */
/* {{{ pdf_try/pdf_catch _pdfexception */

PHP_METHOD(PDFlibException, get_apiname);
PHP_METHOD(PDFlibException, get_errmsg);
PHP_METHOD(PDFlibException, get_errnum);

static zend_function_entry PDFlibException_methods[] = {
    PHP_ME(PDFlibException, get_apiname, NULL, 0)
    PHP_ME(PDFlibException, get_errmsg, NULL, 0)
    PHP_ME(PDFlibException, get_errnum, NULL, 0)
    PHP_FE_END
};

#define pdf_try     PDF_TRY(pdf)

#define pdf_catch   PDF_CATCH(pdf) { \
    _pdf_exception(PDF_get_errnum(pdf), PDF_get_apiname(pdf), \
        PDF_get_errmsg(pdf) TSRMLS_CC); \
    RETURN_FALSE; \
    }

/* PHP-5.3 makes php_std_error_handling() and php_set_error_handling()
 * deprecated, so we have to change it to use the new zend functions now
 */
#define DEFINE_ERROR_HANDLER	zend_error_handling error_handling;
#define SET_ERROR_HANDLING(type, handler) \
    zend_replace_error_handling(type, handler, &error_handling TSRMLS_CC)
#define RESTORE_ERROR_HANDLING() \
    zend_restore_error_handling(&error_handling TSRMLS_CC)

/* use our own version of ZEND_FETCH_RESOURCE
 * to change error handling to exceptions in case of problems. */

#undef ZEND_FETCH_RESOURCE
#if PHP_MAJOR_VERSION >= 7
#define ZEND_FETCH_RESOURCE(rsrc, rsrc_type, passed_id, \
                default_id, resource_type_name, resource_type)  \
{\
    if ((rsrc = (rsrc_type) zend_fetch_resource(Z_RES_P(passed_id), \
                            resource_type_name, resource_type)) == NULL) { \
        RESTORE_ERROR_HANDLING(); \
        RETURN_FALSE; \
    } \
}

#define P_FROM_OBJECT(pdf, object) \
    { \
        pdflib_object *pobj = Z_PDFLIB_OBJ_P(object); \
        pdf = pobj->p; \
        if (!pdf) { \
            php_error_docref(NULL TSRMLS_CC, E_WARNING, "No PDFlib object available"); \
            RESTORE_ERROR_HANDLING(); \
            RETURN_NULL(); \
        } \
    }
#else /* PHP_MAJOR_VERSION >= 7 */
#define ZEND_FETCH_RESOURCE(rsrc, rsrc_type, passed_id, \
                default_id, resource_type_name, resource_type)  \
{\
    rsrc = (rsrc_type) zend_fetch_resource(passed_id TSRMLS_CC, \
            default_id, resource_type_name, NULL, 1, resource_type);    \
    ZEND_VERIFY_RESOURCE(rsrc); \
}

#define P_FROM_OBJECT(pdf, object) \
    { \
        pdflib_object *obj = (pdflib_object*) zend_object_store_get_object(object TSRMLS_CC); \
        pdf = obj->p; \
        if (!pdf) { \
            php_error_docref(NULL TSRMLS_CC, E_WARNING, "No PDFlib object available"); \
            RESTORE_ERROR_HANDLING(); \
            RETURN_NULL(); \
        } \
    }
#endif /* PHP_MAJOR_VERSION >= 7 */

zend_class_entry *default_exception_ce;

static void _pdf_exception(int errnum, const char *apiname,
    const char *errmsg TSRMLS_DC)
{
    char msgbuf[2048];

    snprintf(msgbuf, sizeof(msgbuf), "[%d] %s: %s", errnum, apiname, errmsg);

    {
#if PHP_MAJOR_VERSION >= 7
        zval ex;
        zend_class_entry *def_ex;
        def_ex = zend_exception_get_default(TSRMLS_C);
        object_init_ex(&ex, pdflib_exception_class);

        if (apiname) {
           zend_update_property_string(def_ex, PDF_PROP_OBJ(&ex), "apiname",
                            sizeof("apiname")-1, (char *)apiname TSRMLS_CC);
        }
        if (errmsg) {
           zend_update_property_string(def_ex, PDF_PROP_OBJ(&ex), "message",
                            sizeof("message")-1, (char *)errmsg TSRMLS_CC);
        }
        zend_update_property_long(def_ex, PDF_PROP_OBJ(&ex), "code", sizeof("code")-1,
            errnum TSRMLS_CC);
        zend_throw_exception_object(&ex TSRMLS_CC);
#else /* PHP_MAJOR_VERSION >= 7 */
        zval *ex;
        zend_class_entry *def_ex;
        def_ex = zend_exception_get_default(TSRMLS_C);
        MAKE_STD_ZVAL(ex);
        object_init_ex(ex, pdflib_exception_class);

        if (apiname) {
           zend_update_property_string(def_ex, ex, "apiname",
                            sizeof("apiname")-1, (char *)apiname TSRMLS_CC);
        }
        if (errmsg) {
           zend_update_property_string(def_ex, ex, "message",
                            sizeof("message")-1, (char *)errmsg TSRMLS_CC);
        }
        zend_update_property_long(def_ex, ex, "code", sizeof("code")-1,
            errnum TSRMLS_CC);
        zend_throw_exception_object(ex TSRMLS_CC);
#endif /* PHP_MAJOR_VERSION >= 7 */
    }
}
/* }}} */

/* PHP/PDFlib internal functions */
/* {{{ free_pdf_reource / free_pdf_obj
 */
#if PHP_MAJOR_VERSION >= 7
static void free_pdf_obj(zend_object *object)
{
    pdflib_object *pobj = php_pdflib_fetch_object(object);

    if (!pobj) {
        return;
    }
    if (pobj->p) {
        PDF_delete(pobj->p);
    }
    zend_object_std_dtor(&pobj->zobj);
}

static void free_pdf_resource(zend_resource *rsrc TSRMLS_DC)
{
    PDF *pdf = (PDF *)rsrc->ptr;
    if (pdf) {
        PDF_delete(pdf);
    }
}
#else /* PHP_MAJOR_VERSION >= 7 */
static void free_pdf_resource(zend_rsrc_list_entry *rsrc TSRMLS_DC)
{
    PDF *pdf = (PDF *)rsrc->ptr;
    PDF_delete(pdf);
}
#endif /* PHP_MAJOR_VERSION >= 7 */
/* }}} */

/* {{{ pdf_emalloc
 */
static void *pdf_emalloc(PDF *p, size_t size, const char *caller)
{
    return(emalloc(size));
}
/* }}} */

/* {{{ pdf_realloc
 */
static void *pdf_realloc(PDF *p, void *mem, size_t size, const char *caller)
{
    return(erealloc(mem, size));
}
/* }}} */

/* {{{ pdf_efree
 */
static void pdf_efree(PDF *p, void *mem)
{
    efree(mem);
}
/* }}} */

/* {{{ pdflib_object_dtor */
static void
pdflib_object_dtor(void *object TSRMLS_DC)
{
    pdflib_object *intern = (pdflib_object *)object;

    zend_object_std_dtor(&intern->zobj TSRMLS_CC);

    if (intern->p) {
        PDF_delete(intern->p);
        intern->p = (PDF *)0;
    }
    efree(object);
}
/* }}} */

/* {{{ pdflib_object_new
 */
#if PHP_MAJOR_VERSION >= 7
static zend_object*
pdflib_object_new(zend_class_entry *class_type TSRMLS_DC)
{
    pdflib_object *object;

    object = (pdflib_object*)ecalloc(1, sizeof(pdflib_object) +
                                        zend_object_properties_size(class_type));

    zend_object_std_init(&object->zobj, class_type TSRMLS_CC);

    object_properties_init(&(object->zobj), class_type);
    object->zobj.handlers = &pdflib_handlers;

    return &object->zobj;
}
#else /* PHP_MAJOR_VERSION >= 7 */
static zend_object_value
pdflib_object_new(zend_class_entry *class_type TSRMLS_DC)
{
    zend_object_value retval;
    pdflib_object *object = (pdflib_object*)emalloc(sizeof(pdflib_object));
    memset(object, 0, sizeof(pdflib_object));
    object->zobj.ce = class_type;
    zend_object_std_init(&object->zobj, class_type TSRMLS_CC);

#if PHP_VERSION_ID < 50399
    {
    zval *tmp;
    zend_hash_copy(object->zobj.properties,
            &class_type->default_properties,
            (copy_ctor_func_t) zval_add_ref,
            (void *) &tmp, sizeof(zval *));
    }
#else /* PHP_VERSION_ID < 50399 */
    object_properties_init(&(object->zobj), class_type);
#endif /* PHP_VERSION_ID < 50399 */

    retval.handlers = &pdflib_handlers;
    retval.handle = zend_objects_store_put(object,  NULL,
            (zend_objects_free_object_storage_t)pdflib_object_dtor, NULL TSRMLS_CC);
    return retval;
}
#endif /* PHP_MAJOR_VERSION >= 7 */
/* }}} */

/* {{{ PHP_MINFO_FUNCTION
 */
#if PDFLIB_MAJORVERSION >= 8
#   define PDFLIB_VSTRING PDFLIB_LONG_VERSIONSTRING
#else
#   define PDFLIB_VSTRING PDFLIB_VERSIONSTRING
#endif
PHP_MINFO_FUNCTION(PDFlib)
{
    php_info_print_table_start();
    php_info_print_table_header(2, "PDFlib Support", "enabled" );
    php_info_print_table_row(2, "PHP extension built with PECL",  PDFLIB_VSTRING);
    php_info_print_table_row(2, "PECL Version", PHP_PDFLIB_VERSION);
    php_info_print_table_end();
}
/* }}} */

/* {{{ PHP_MINIT_FUNCTION
 */
PHP_MINIT_FUNCTION(PDFlib)
{
    zend_class_entry ce_ex, ce;


    if ((PDF_get_majorversion() != PDFLIB_MAJORVERSION) ||
            (PDF_get_minorversion() != PDFLIB_MINORVERSION)) {
        php_error_docref(NULL TSRMLS_CC, E_ERROR,
            "PDFlib error: Version mismatch in wrapper code");
    }

    /* destructor for non-OO case */
    le_pdf = zend_register_list_destructors_ex(free_pdf_resource,
                                   NULL, "pdf object", module_number);

    /* this does something like setlocale("C", ...) in PDFlib 3.x */
    PDF_boot();

    /* add PDFlibException class */
    {
        INIT_CLASS_ENTRY(ce_ex, "PDFlibException", class_PDFlibException_methods);
#if PHP_MAJOR_VERSION >= 7
        pdflib_exception_class = zend_register_internal_class_ex(&ce_ex,
                zend_exception_get_default(TSRMLS_C) TSRMLS_CC);
#else /* PHP_MAJOR_VERSION >= 7 */
        pdflib_exception_class = zend_register_internal_class_ex(&ce_ex,
                zend_exception_get_default(TSRMLS_C), NULL TSRMLS_CC);
#endif /* PHP_MAJOR_VERSION >= 7 */

        zend_declare_property_string(pdflib_exception_class, "apiname",
                sizeof("apiname")-1, "", ZEND_ACC_PROTECTED TSRMLS_CC);
    }

    /* add PDFlib class */
    {
        memcpy(&pdflib_handlers, zend_get_std_object_handlers(), sizeof(zend_object_handlers));

        INIT_CLASS_ENTRY(ce, "PDFlib", class_PDFlib_methods);
        ce.create_object = pdflib_object_new;
        pdflib_handlers.clone_obj = NULL;
#if PHP_MAJOR_VERSION >= 7
        pdflib_handlers.offset = XtOffsetOf(pdflib_object, zobj);
        pdflib_handlers.free_obj = free_pdf_obj;
#endif /* PHP_MAJOR_VERSION >= 7 */

        pdflib_class = zend_register_internal_class(&ce TSRMLS_CC);
    }

    return SUCCESS;
}
/* }}} */

/* {{{ PHP_MSHUTDOWN_FUNCTION
 */
PHP_MSHUTDOWN_FUNCTION(PDFlib)
{
    PDF_shutdown();
    return SUCCESS;
}
/* }}} */


/* The PDFlibException Methods */
PHP_METHOD(PDFlibException, get_apiname)
{
#if PHP_MAJOR_VERSION >= 7
    zval rv, *this_ptr = getThis();
    zend_string *apiname;

    apiname = zval_get_string(zend_read_property(pdflib_exception_class,
                        PDF_PROP_OBJ(this_ptr), "apiname", sizeof("apiname")-1, 1, &rv));
    RETURN_STR(apiname);
#else /* PHP_MAJOR_VERSION >= 7 */
    zval *apiname;
    char *retbuf;

    apiname = zend_read_property(pdflib_exception_class, PDF_PROP_OBJ(this_ptr), "apiname",
                sizeof("apiname")-1, 1 TSRMLS_CC);
    retbuf = Z_STRVAL_P(apiname);

    RETURN_STRING(retbuf ? (char *)retbuf : "", 1);
#endif /* PHP_MAJOR_VERSION >= 7 */
}

PHP_METHOD(PDFlibException, get_errmsg)
{
#if PHP_MAJOR_VERSION >= 7
    zval rv, *this_ptr = getThis();
    zend_string *message;

    message = zval_get_string(zend_read_property(pdflib_exception_class, PDF_PROP_OBJ(this_ptr), "message",
                sizeof("message")-1, 1, &rv));
    RETURN_STR(message);
#else /* PHP_MAJOR_VERSION >= 7 */
    zval *message;
    char *retbuf;

    message = zend_read_property(pdflib_exception_class, PDF_PROP_OBJ(this_ptr), "message",
                sizeof("message")-1, 1 TSRMLS_CC);
    retbuf = Z_STRVAL_P(message);

    RETURN_STRING(retbuf ? (char *)retbuf : "", 1);
#endif /* PHP_MAJOR_VERSION >= 7 */
}

PHP_METHOD(PDFlibException, get_errnum)
{
#if PHP_MAJOR_VERSION >= 7
    zval *code, rv;
    zval *this_ptr = getThis();
    long retval;

    code = zend_read_property(pdflib_exception_class, PDF_PROP_OBJ(this_ptr), "code",
                sizeof("code")-1, 1, &rv);
    retval = Z_LVAL_P(code);

    RETURN_LONG(retval);
#else /* PHP_MAJOR_VERSION >= 7 */
    zval *code;
    long retval;

    code = zend_read_property(pdflib_exception_class, this_ptr, "code",
                sizeof("code")-1, 1 TSRMLS_CC);
    retval = Z_LVAL_P(code);

    RETURN_LONG(retval);
#endif /* PHP_MAJOR_VERSION >= 7 */
}

/* The PDFlib API */

#define _WRAP_CODE
#include "php_wrapped.c"
#undef _WRAP_CODE

/* {{{ proto string PDF_get_pdi_parameter(
resource p, string key, int doc, int page, int reserved)
 * Deprecated, use PDF_pcos_get_string(). */
PHP_FUNCTION(pdf_get_pdi_parameter)
{
    PDF *pdf;
#if PHP_MAJOR_VERSION >= 7
    zend_string * z_key;
    const char * key;
    int key_len;
#else /* PHP_MAJOR_VERSION >= 7 */
    const char * key;
    int key_len;
#endif /* PHP_MAJOR_VERSION >= 7 */
    long doc;
    long page;
    long reserved;
    int len;
    const char *_result = NULL;


    zval *object = getThis();
    DEFINE_ERROR_HANDLER

    if (object) {
        SET_ERROR_HANDLING(EH_THROW, pdflib_exception_class);
#if PHP_MAJOR_VERSION >= 7
        if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "Slll",&z_key, &doc, &page, &reserved)) {
            RESTORE_ERROR_HANDLING();
            return;
        }
        key = ZSTR_VAL(z_key);
#else /* PHP_MAJOR_VERSION >= 7 */
        if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "slll",&key, &key_len,&doc,&page,&reserved)) {
            RESTORE_ERROR_HANDLING();
            return;
        }
#endif /* PHP_MAJOR_VERSION >= 7 */
        P_FROM_OBJECT(pdf, object);
    } else {
        SET_ERROR_HANDLING(EH_THROW, pdflib_exception_class);
        {
            zval *p;
#if PHP_MAJOR_VERSION >= 7
            if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "zSlll", &p,&z_key, &doc,&page,&reserved)) {
                RESTORE_ERROR_HANDLING();
                return;
            }
            ZEND_FETCH_RESOURCE(pdf, PDF *, p, -1, "pdf object", le_pdf);
            key = ZSTR_VAL(z_key);
#else /* PHP_MAJOR_VERSION >= 7 */
            if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC,
"rslll", &p,&key, &key_len,&doc,&page,&reserved)) {
                RESTORE_ERROR_HANDLING();
                return;
            }
            ZEND_FETCH_RESOURCE(pdf, PDF *, &p, -1, "pdf object", le_pdf);
#endif /* PHP_MAJOR_VERSION >= 7 */
        }
    }
    RESTORE_ERROR_HANDLING();

    php_error_docref(NULL TSRMLS_CC, E_DEPRECATED, "Deprecated, use PDF_pcos_get_string().");

    pdf_try {
	_result =  (const char *)PDF_get_pdi_parameter(pdf, key, doc, page, reserved, &len);
    } pdf_catch;

#if PHP_MAJOR_VERSION >= 7
    {
        zend_string *z_result;
        if (_result) {
            z_result = zend_string_init(_result, len, 0);
        } else {
            z_result = zend_string_init("", 1, 0);
        }
        RETURN_STR(z_result);
    }
#else /* PHP_MAJOR_VERSION >= 7 */
    RETURN_STRINGL(_result ? (char *)_result : "", len, 1);
#endif /* PHP_MAJOR_VERSION >= 7 */
} /* }}} */

/* {{{ proto int pdf_open_pdi(resource p, string filename, string optlist,
 * int reserved);
 * Open a disk-based or virtual PDF document and prepare it for later use. */
PHP_FUNCTION(pdf_open_pdi)
{
    PDF *pdf;
#if PHP_MAJOR_VERSION >= 7
    zend_string *z_filename, *z_optlist;
    char *filename, *optlist;
#else /* PHP_MAJOR_VERSION >= 7 */
    char *filename, *optlist;
#endif /* PHP_MAJOR_VERSION >= 7 */
    int flen, olen;
    long len;
    char *vfilename;
    long retval = 0;

    zval *object = getThis();
    DEFINE_ERROR_HANDLER

    if (object) {
        SET_ERROR_HANDLING(EH_THROW, pdflib_exception_class);
#if PHP_MAJOR_VERSION >= 7
        if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC,
                        "SSl", &z_filename, &z_optlist, &len)) {
            RESTORE_ERROR_HANDLING();
            return;
        }
        filename = ZSTR_VAL(z_filename);
        optlist =  ZSTR_VAL(z_optlist);
#else /* PHP_MAJOR_VERSION >= 7 */
        if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC,
                        "ssl", &filename, &flen, &optlist, &olen, &len)) {
            RESTORE_ERROR_HANDLING();
            return;
        }
#endif /* PHP_MAJOR_VERSION >= 7 */
        P_FROM_OBJECT(pdf, object);
    } else {
        SET_ERROR_HANDLING(EH_THROW, pdflib_exception_class);
        {
            zval *p;
#if PHP_MAJOR_VERSION >= 7
            if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC,
                        "zSSl", &p, &z_filename, &z_optlist, &len)) {
                RESTORE_ERROR_HANDLING();
                return;
            }
            ZEND_FETCH_RESOURCE(pdf, PDF *, p, -1, "pdf object", le_pdf);
            filename = ZSTR_VAL(z_filename);
            optlist =  ZSTR_VAL(z_optlist);
#else /* PHP_MAJOR_VERSION >= 7 */
            if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC,
                        "rssl", &p, &filename, &flen, &optlist, &olen, &len)) {
                RESTORE_ERROR_HANDLING();
                return;
            }
            ZEND_FETCH_RESOURCE(pdf, PDF *, &p, -1, "pdf object", le_pdf);
#endif /* PHP_MAJOR_VERSION >= 7 */
        }
    }
    RESTORE_ERROR_HANDLING();

    vfilename = filename;

    php_error_docref(NULL TSRMLS_CC, E_DEPRECATED, "Deprecated, use PDF_open_pdi_document().");

    pdf_try {
        retval = PDF_open_pdi(pdf, vfilename, optlist, (int)len);
    } pdf_catch;

    RETURN_LONG(retval); /* offset handled in PDFlib Kernel */
}
/* }}} */

/* {{{ proto bool pdf_delete(int p)
 * Delete a PDFlib object and free all internal resources. */
PHP_FUNCTION(pdf_delete)
{
    php_error_docref(NULL TSRMLS_CC, E_DEPRECATED, "Deprecated");
    RETURN_TRUE; /* This is done in the destructor */
}
/* }}} */

/* {{{ proto resource pdf_new()
 * Create a new PDFlib object with default settings. */
PHP_FUNCTION(pdf_new)
{
    PDF *pdf;
    zval *object = getThis();
    DEFINE_ERROR_HANDLER
    pdflib_object *pobj;

    pdf = PDF_new2(NULL, pdf_emalloc, pdf_realloc, pdf_efree, NULL);

    if (pdf != NULL) {
        pdf_try {
#if PDFLIB_MAJORVERSION >= 8
            /* Trigger special handling of PDFlib-handles for PHP */
            PDF_set_option(pdf, "hastobepos=true");
#if PHP_MAJOR_VERSION >= 7
            PDF_set_option(pdf, "binding=PHP7");
#else /* PHP_MAJOR_VERSION >= 7 */
            PDF_set_option(pdf, "binding=PHP5");
#endif /* PHP_MAJOR_VERSION >= 7 */
#else
            /* Trigger special handling of PDFlib-handles for PHP */
            PDF_set_parameter(pdf, "hastobepos", "true");
    #if PHP_MAJOR_VERSION >= 7
            PDF_set_parameter(pdf, "binding", "PHP7");
#else /* PHP_MAJOR_VERSION >= 7 */
            PDF_set_parameter(pdf, "binding", "PHP5");
#endif /* PHP_MAJOR_VERSION >= 7 */
#endif
        } pdf_catch;
    } else {
        _pdf_exception(999, "PDF_new",
            "Couldn't create PDFlib object (out of memory)" TSRMLS_CC);
        RETURN_FALSE;
    }

    if (object) {
        pdf_try {
#if PDFLIB_MAJORVERSION >= 8
            PDF_set_option(pdf, "objorient=true");
#else
            PDF_set_parameter(pdf, "objorient", "true");
#endif
        } pdf_catch;
#if PHP_MAJOR_VERSION >= 7
        zend_object *zobj = Z_OBJ_P(getThis());
        pobj = (pdflib_object *) ((char *)zobj - XtOffsetOf(pdflib_object, zobj));
#else /* PHP_MAJOR_VERSION >= 7 */
        pobj =(pdflib_object *)zend_object_store_get_object(object TSRMLS_CC);
#endif /* PHP_MAJOR_VERSION >= 7 */
        pobj->p = pdf;
    } else {
#if PHP_MAJOR_VERSION >= 7
        zend_resource *ret = zend_register_resource(pdf, le_pdf);
        RETURN_RES(ret);
#else /* PHP_MAJOR_VERSION >= 7 */
        ZEND_REGISTER_RESOURCE(return_value, pdf, le_pdf);
#endif /* PHP_MAJOR_VERSION >= 7 */
    }
}
/* }}} */

/* {{{ proto int pdf_open_image(resource p, string imagetype, string source,
 * string data, int length, int width, int height, int components, int bpc,
 * string params)
 * Deprecated, use PDF_load_image() with virtual files. */
PHP_FUNCTION(pdf_open_image)
{
    PDF *pdf;
#if PHP_MAJOR_VERSION >= 7
    char *imagetype, *source, *data, *params;
    zend_string *z_imagetype, *z_source, *z_data, *z_params;
#else /* PHP_MAJOR_VERSION >= 7 */
    char *imagetype, *source, *data, *params;
    int ilen, dlen, slen, plen;
#endif /* PHP_MAJOR_VERSION >= 7 */
    long length, width, height, components, bpc;
    long retval = 0;

    zval *object = getThis();
    DEFINE_ERROR_HANDLER

    if (object) {
        SET_ERROR_HANDLING(EH_THROW, pdflib_exception_class);
#if PHP_MAJOR_VERSION >= 7
        if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC,
                        "SSSlllllS", &z_imagetype, &z_source,
                        z_data, &length, &width, &height, &components,
                        &bpc, &z_params)) {
            RESTORE_ERROR_HANDLING();
            return;
        }
        imagetype = ZSTR_VAL(z_imagetype);
        source = ZSTR_VAL(z_source);
        data = ZSTR_VAL(z_data);
        params = ZSTR_VAL(z_params);
#else /* PHP_MAJOR_VERSION >= 7 */
        if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC,
                        "sssllllls", &imagetype, &ilen, &source, &slen,
                        &data, &dlen, &length, &width, &height, &components,
                        &bpc, &params, &plen)) {
            RESTORE_ERROR_HANDLING();
            return;
        }
#endif /* PHP_MAJOR_VERSION >= 7 */
        P_FROM_OBJECT(pdf, object);
    } else {
        SET_ERROR_HANDLING(EH_THROW, pdflib_exception_class);
        {
            zval *p;
#if PHP_MAJOR_VERSION >= 7
            if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC,
                        "zSSSlllllS", &p, &z_imagetype, &z_source,
                        &z_data, &length, &width, &height, &components,
                        &bpc, &z_params)) {
                RESTORE_ERROR_HANDLING();
                return;
            }
            ZEND_FETCH_RESOURCE(pdf, PDF *, p, -1, "pdf object", le_pdf);
            imagetype = ZSTR_VAL(z_imagetype);
            source = ZSTR_VAL(z_source);
            data = ZSTR_VAL(z_data);
            params = ZSTR_VAL(z_params);
#else /* PHP_MAJOR_VERSION >= 7 */
            if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC,
                        "rsssllllls", &p, &imagetype, &ilen, &source, &slen,
                        &data, &dlen, &length, &width, &height, &components,
                        &bpc, &params, &plen)) {
                RESTORE_ERROR_HANDLING();
                return;
            }
            ZEND_FETCH_RESOURCE(pdf, PDF *, &p, -1, "pdf object", le_pdf);
#endif /* PHP_MAJOR_VERSION >= 7 */
        }
    }
    RESTORE_ERROR_HANDLING();

    php_error_docref(NULL TSRMLS_CC, E_DEPRECATED, "Deprecated, use PDF_load_image() with virtual files.");

    pdf_try {
        retval = PDF_open_image(pdf, imagetype, source, data, length,
            (int)width, (int)height, (int)components, (int)bpc, params);
    } pdf_catch;

    RETURN_LONG(retval); /* offset handled in PDFlib Kernel */
}
/* }}} */

/* no longer supported */
/* {{{ proto bool pdf_setpolydash(resource p, double darray)
 * Deprecated, use PDF_setdashpattern(). */
PHP_FUNCTION(pdf_setpolydash)
{

    _pdf_exception(99, "PDF_set_polydash",
	"function is no longer supported use PDF_setdashpattern()" TSRMLS_CC);

    RETURN_TRUE;
}

/* {{{ proto int PDF_show_boxed(resource p, string text, double left, double top, double width, double height, string hmode, string feature)
 * Deprecated, use PDF_fit_textline() or PDF_fit_textflow(). */
PHP_FUNCTION(pdf_show_boxed)
{
    PDF *pdf;
#if PHP_MAJOR_VERSION >= 7
    const char * text;
    const char * hmode;
    const char * feature;
    zend_string * z_text;
    zend_string * z_hmode;
    zend_string * z_feature;
#else /* PHP_MAJOR_VERSION >= 7 */
    const char * text;
    const char * hmode;
    const char * feature;
    int text_len;
    int hmode_len;
    int feature_len;
#endif /* PHP_MAJOR_VERSION >= 7 */
    double left;
    double top;
    double width;
    double height;
    int _result = 0;


    zval *object = getThis();
    DEFINE_ERROR_HANDLER

    if (object) {
        SET_ERROR_HANDLING(EH_THROW, pdflib_exception_class);
#if PHP_MAJOR_VERSION >= 7
        if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC,
                        "SddddSS", &z_text, &left, &top, &width, &height, &z_hmode, &z_feature)) {
            RESTORE_ERROR_HANDLING();
            return;
        }
        text = ZSTR_VAL(z_text);
        hmode = ZSTR_VAL(z_hmode);
        feature = ZSTR_VAL(z_feature);
#else /* PHP_MAJOR_VERSION >= 7 */
        if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC,
                        "sddddss", &text, &text_len, &left, &top, &width, &height, &hmode, &hmode_len, &feature, &feature_len)) {
            RESTORE_ERROR_HANDLING();
            return;
        }
#endif /* PHP_MAJOR_VERSION >= 7 */
        P_FROM_OBJECT(pdf, object);
    } else {
        SET_ERROR_HANDLING(EH_THROW, pdflib_exception_class);
        {
            zval *p;
#if PHP_MAJOR_VERSION >= 7
            if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC,
                        "zSddddSS", &p, &z_text, &left, &top, &width, &height, &z_hmode, &z_feature)) {
                RESTORE_ERROR_HANDLING();
                return;
            }
            ZEND_FETCH_RESOURCE(pdf, PDF *, p, -1, "pdf object", le_pdf);
            text = ZSTR_VAL(z_text);
            hmode = ZSTR_VAL(z_hmode);
            feature = ZSTR_VAL(z_feature);
#else /* PHP_MAJOR_VERSION >= 7 */
            if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC,
                        "rsddddss", &p, &text, &text_len, &left, &top, &width, &height, &hmode, &hmode_len, &feature, &feature_len)) {
                RESTORE_ERROR_HANDLING();
                return;
            }
            ZEND_FETCH_RESOURCE(pdf, PDF *, &p, -1, "pdf object", le_pdf);
#endif /* PHP_MAJOR_VERSION >= 7 */
        }
    }
    RESTORE_ERROR_HANDLING();

    php_error_docref(NULL TSRMLS_CC, E_DEPRECATED, "Deprecated, use PDF_fit_textline() or PDF_fit_textflow().");

    pdf_try {
	_result = PDF_show_boxed(pdf, text, left, top, width, height, hmode, feature);
    } pdf_catch;

    
    RETURN_LONG(_result);
} /* }}} */
    
/*
 * Local variables:
 * tab-width: 8
 * c-basic-offset: 4
 * End:
 * vim600: sw=4 ts=4 fdm=marker
 * vim<600: sw=4 ts=8
 */