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Diffstat (limited to 'ext/standard/iptc.c')
-rw-r--r-- | ext/standard/iptc.c | 395 |
1 files changed, 0 insertions, 395 deletions
diff --git a/ext/standard/iptc.c b/ext/standard/iptc.c deleted file mode 100644 index 0d07354455..0000000000 --- a/ext/standard/iptc.c +++ /dev/null @@ -1,395 +0,0 @@ -/* - +----------------------------------------------------------------------+ - | PHP version 4.0 | - +----------------------------------------------------------------------+ - | Copyright (c) 1997-2001 The PHP Group | - +----------------------------------------------------------------------+ - | This source file is subject to version 2.02 of the PHP license, | - | that is bundled with this package in the file LICENSE, and is | - | available at through the world-wide-web at | - | http://www.php.net/license/2_02.txt. | - | If you did not receive a copy of the PHP license and are unable to | - | obtain it through the world-wide-web, please send a note to | - | license@php.net so we can mail you a copy immediately. | - +----------------------------------------------------------------------+ - | Authors: Thies C. Arntzen (thies@thieso.net) | - +----------------------------------------------------------------------+ - */ - -/* $Id$ */ - -/* - * Functions to parse & compse IPTC data. - * PhotoShop >= 3.0 can read and write textual data to JPEG files. - * ... more to come ..... - * - * i know, parts of this is now duplicated in image.c - * but in this case i think it's okay! - */ - -/* - * TODO: - * - add IPTC translation table - */ - -#include "php.h" -#include "php_iptc.h" -#include "ext/standard/head.h" - -#include <sys/stat.h> - - -/* some defines for the different JPEG block types */ -#define M_SOF0 0xC0 /* Start Of Frame N */ -#define M_SOF1 0xC1 /* N indicates which compression process */ -#define M_SOF2 0xC2 /* Only SOF0-SOF2 are now in common use */ -#define M_SOF3 0xC3 -#define M_SOF5 0xC5 /* NB: codes C4 and CC are NOT SOF markers */ -#define M_SOF6 0xC6 -#define M_SOF7 0xC7 -#define M_SOF9 0xC9 -#define M_SOF10 0xCA -#define M_SOF11 0xCB -#define M_SOF13 0xCD -#define M_SOF14 0xCE -#define M_SOF15 0xCF -#define M_SOI 0xD8 -#define M_EOI 0xD9 /* End Of Image (end of datastream) */ -#define M_SOS 0xDA /* Start Of Scan (begins compressed data) */ -#define M_APP0 0xe0 -#define M_APP1 0xe1 -#define M_APP2 0xe2 -#define M_APP3 0xe3 -#define M_APP4 0xe4 -#define M_APP5 0xe5 -#define M_APP6 0xe6 -#define M_APP7 0xe7 -#define M_APP8 0xe8 -#define M_APP9 0xe9 -#define M_APP10 0xea -#define M_APP11 0xeb -#define M_APP12 0xec -#define M_APP13 0xed -#define M_APP14 0xee -#define M_APP15 0xef - -/* {{{ php_iptc_put1 - */ -static int php_iptc_put1(FILE *fp,int spool,unsigned char c,unsigned char **spoolbuf) -{ - if (spool > 0) - PUTC(c); - - if (spoolbuf) *(*spoolbuf)++ = c; - - return c; -} -/* }}} */ - -/* {{{ php_iptc_get1 - */ -static int php_iptc_get1(FILE *fp,int spool,unsigned char **spoolbuf) -{ - int c; - char cc; - - c = getc(fp); - - if (c == EOF) return EOF; - - if (spool > 0) { - cc = c; - PUTC(cc); - } - - if (spoolbuf) *(*spoolbuf)++ = c; - - return c; -} -/* }}} */ - -/* {{{ php_iptc_read_remaining - */ -static int php_iptc_read_remaining(FILE *fp,int spool,unsigned char **spoolbuf) -{ - int c; - - while ((c = php_iptc_get1(fp,spool,spoolbuf)) != EOF) continue; - - return M_EOI; -} -/* }}} */ - -/* {{{ php_iptc_skip_variable - */ -static int php_iptc_skip_variable(FILE *fp,int spool,unsigned char **spoolbuf) -{ - unsigned int length; - int c1,c2; - - if ((c1 = php_iptc_get1(fp,spool,spoolbuf)) == EOF) return M_EOI; - - if ((c2 = php_iptc_get1(fp,spool,spoolbuf)) == EOF) return M_EOI; - - length = (((unsigned char) c1) << 8) + ((unsigned char) c2); - - length -= 2; - - while (length--) - if (php_iptc_get1(fp,spool,spoolbuf) == EOF) return M_EOI; - - return 0; -} -/* }}} */ - -/* {{{ php_iptc_next_marker - */ -static int php_iptc_next_marker(FILE *fp,int spool,unsigned char **spoolbuf) -{ - int c; - - /* skip unimportant stuff */ - - c = php_iptc_get1(fp,spool,spoolbuf); - - if (c == EOF) return M_EOI; - - while (c != 0xff) { - if ((c = php_iptc_get1(fp,spool,spoolbuf)) == EOF) - return M_EOI; /* we hit EOF */ - } - - /* get marker byte, swallowing possible padding */ - do { - c = php_iptc_get1(fp,0,0); - if (c == EOF) - return M_EOI; /* we hit EOF */ - else - if (c == 0xff) - php_iptc_put1(fp,spool,(unsigned char)c,spoolbuf); - } while (c == 0xff); - - return (unsigned int) c; -} -/* }}} */ - -static char psheader[] = "\xFF\xED\0\0Photoshop 3.0\08BIM\x04\x04\0\0\0\0"; - -/* {{{ proto array iptcembed(string iptcdata, string jpeg_file_name [, int spool]) - Embed binary IPTC data into a JPEG image. */ -PHP_FUNCTION(iptcembed) -{ - zval **iptcdata, **jpeg_file, **spool_flag; - FILE *fp; - unsigned int marker; - unsigned int spool = 0, done = 0, inx, len; - unsigned char *spoolbuf=0,*poi=0; - struct stat sb; - - switch(ZEND_NUM_ARGS()){ - case 3: - if (zend_get_parameters_ex(3, &iptcdata, &jpeg_file, &spool_flag) == FAILURE) { - WRONG_PARAM_COUNT; - } - convert_to_string_ex(iptcdata); - convert_to_string_ex(jpeg_file); - convert_to_long_ex(spool_flag); - spool = (*spool_flag)->value.lval; - break; - - case 2: - if (zend_get_parameters_ex(2, &iptcdata, &jpeg_file) == FAILURE) { - WRONG_PARAM_COUNT; - } - convert_to_string_ex(iptcdata); - convert_to_string_ex(jpeg_file); - break; - - default: - WRONG_PARAM_COUNT; - break; - } - - if (php_check_open_basedir((*jpeg_file)->value.str.val)) - RETURN_FALSE; - - if ((fp = VCWD_FOPEN((*jpeg_file)->value.str.val,"rb")) == 0) { - php_error(E_WARNING, "Unable to open %s", (*jpeg_file)->value.str.val); - RETURN_FALSE; - } - - len = (*iptcdata)->value.str.len; - - if (spool < 2) { - fstat(fileno(fp),&sb); - - poi = spoolbuf = emalloc(len + sizeof(psheader) + sb.st_size + 1024); - - if (! spoolbuf) { - fclose(fp); - RETURN_FALSE; - } - } - - if (php_iptc_get1(fp,spool,poi?&poi:0) != 0xFF) { - fclose(fp); - RETURN_FALSE; - } - - if (php_iptc_get1(fp,spool,poi?&poi:0) != 0xD8) { - fclose(fp); - RETURN_FALSE; - } - - while (!done) { - marker = php_iptc_next_marker(fp,spool,poi?&poi:0); - - if (marker == M_EOI) { /* EOF */ - break; - } else if (marker != M_APP13) { - php_iptc_put1(fp,spool,(unsigned char)marker,poi?&poi:0); - } - - switch (marker) { - case M_APP13: - /* we are going to write a new APP13 marker, so don't output the old one */ - php_iptc_skip_variable(fp,0,0); - php_iptc_read_remaining(fp,spool,poi?&poi:0); - done = 1; - break; - - case M_APP0: - /* APP0 is in each and every JPEG, so when we hit APP0 we insert our new APP13! */ - php_iptc_skip_variable(fp,spool,poi?&poi:0); - - if (len & 1) len++; /* make the length even */ - - psheader[ 2 ] = (len+28)>>8; - psheader[ 3 ] = (len+28)&0xff; - - for (inx = 0; inx < 28; inx++) - php_iptc_put1(fp,spool,psheader[inx],poi?&poi:0); - - php_iptc_put1(fp,spool,(unsigned char)(len>>8),poi?&poi:0); - php_iptc_put1(fp,spool,(unsigned char)(len&0xff),poi?&poi:0); - - for (inx = 0; inx < len; inx++) - php_iptc_put1(fp,spool,(*iptcdata)->value.str.val[inx],poi?&poi:0); - break; - - case M_SOS: - /* we hit data, no more marker-inserting can be done! */ - php_iptc_read_remaining(fp,spool,poi?&poi:0); - done = 1; - break; - - default: - php_iptc_skip_variable(fp,spool,poi?&poi:0); - break; - } - } - - fclose(fp); - - if (spool < 2) { - RETVAL_STRINGL(spoolbuf,poi - spoolbuf,0); - } else { - RETURN_TRUE; - } -} -/* }}} */ - -/* {{{ proto array iptcparse(string iptcdata) - Parse binary IPTC-data into associative array */ -PHP_FUNCTION(iptcparse) -{ - unsigned int length, inx, len, inheader, tagsfound; - unsigned char *buffer; - unsigned char recnum, dataset; - unsigned char key[ 16 ]; - zval *values, **str, **element; - - if (ZEND_NUM_ARGS() != 1 || zend_get_parameters_ex(1, &str) == FAILURE) { - WRONG_PARAM_COUNT; - } - convert_to_string_ex(str); - - inx = 0; - length = (*str)->value.str.len; - buffer = (*str)->value.str.val; - - inheader = 0; /* have we already found the IPTC-Header??? */ - tagsfound = 0; /* number of tags already found */ - - while (inx < length) { /* find 1st tag */ - if ((buffer[inx] == 0x1c) && (buffer[inx+1] == 0x02)){ - break; - } else { - inx++; - } - } - - while (inx < length) { - if (buffer[ inx++ ] != 0x1c) { - break; /* we ran against some data which does not conform to IPTC - stop parsing! */ - } - - if ((inx + 4) >= length) - break; - - dataset = buffer[ inx++ ]; - recnum = buffer[ inx++ ]; - - if (buffer[ inx ] & (unsigned char) 0x80) { /* long tag */ - len = (((long) buffer[ inx + 2 ]) << 24) + (((long) buffer[ inx + 3 ]) << 16) + - (((long) buffer[ inx + 4 ]) << 8) + (((long) buffer[ inx + 5 ])); - inx += 6; - } else { /* short tag */ - len = (((unsigned short) buffer[ inx ])<<8) | (unsigned short)buffer[ inx+1 ]; - inx += 2; - } - - sprintf(key,"%d#%03d",(unsigned int) dataset,(unsigned int) recnum); - - if ((inx + len) > length) - break; - - if (tagsfound == 0) { /* found the 1st tag - initialize the return array */ - if (array_init(return_value) == FAILURE) { - php_error(E_ERROR, "Unable to initialize array"); - RETURN_FALSE; - } - } - - if (zend_hash_find(return_value->value.ht,key,strlen(key) + 1,(void **) &element) == FAILURE) { - ALLOC_ZVAL(values); - INIT_PZVAL(values); - if (array_init(values) == FAILURE) { - php_error(E_ERROR, "Unable to initialize array"); - RETURN_FALSE; - } - - zend_hash_update(return_value->value.ht, key, strlen(key)+1, (void *) &values, sizeof(pval*), (void **) &element); - } - - add_next_index_stringl(*element,buffer+inx,len,1); - - inx += len; - - tagsfound++; - } - - if (! tagsfound) { - RETURN_FALSE; - } -} -/* }}} */ - -/* - * Local variables: - * tab-width: 4 - * c-basic-offset: 4 - * End: - * vim600: sw=4 ts=4 tw=78 fdm=marker - * vim<600: sw=4 ts=4 tw=78 - */ |