diff options
Diffstat (limited to 'ext/standard/image.c')
| -rw-r--r-- | ext/standard/image.c | 841 |
1 files changed, 0 insertions, 841 deletions
diff --git a/ext/standard/image.c b/ext/standard/image.c deleted file mode 100644 index 2b226bd9b2..0000000000 --- a/ext/standard/image.c +++ /dev/null @@ -1,841 +0,0 @@ -/* - +----------------------------------------------------------------------+ - | PHP Version 4 | - +----------------------------------------------------------------------+ - | Copyright (c) 1997-2002 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: Rasmus Lerdorf <rasmus@php.net> | - | Marcus Boerger <helly@php.net> | - +----------------------------------------------------------------------+ - */ -/* $Id$ */ -/* - * Based on Daniel Schmitt's imageinfo.c which carried the following - * Copyright notice. - */ - -/* - * imageinfo.c - * - * Simple routines to extract image width/height data from GIF/JPEG files. - * - * Copyright (c) 1997 Daniel Schmitt, opal online publishing, Bonn, Germany. - * - * Includes code snippets from rdjpgcom.c, - * Copyright (c) 1994-1995 Thomas G. Lane - * from release 6a of the Independent JPEG Group's software. - * - * Legal status: see GNU General Public License version 2 or later. - * - */ - -#include "php.h" -#include <stdio.h> -#if HAVE_FCNTL_H -#include <fcntl.h> -#endif -#include "fopen_wrappers.h" -#include "ext/standard/fsock.h" -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#include "php_image.h" - -#if HAVE_ZLIB -#include "zlib.h" -#endif - -/* file type markers */ -PHPAPI const char php_sig_gif[3] = {'G', 'I', 'F'}; -PHPAPI const char php_sig_psd[4] = {'8', 'B', 'P', 'S'}; -PHPAPI const char php_sig_bmp[2] = {'B', 'M'}; -PHPAPI const char php_sig_swf[3] = {'F', 'W', 'S'}; -PHPAPI const char php_sig_swc[3] = {'C', 'W', 'S'}; -PHPAPI const char php_sig_jpg[3] = {(char) 0xff, (char) 0xd8, (char) 0xff}; -PHPAPI const char php_sig_png[8] = {(char) 0x89, (char) 0x50, (char) 0x4e, (char) 0x47, -(char) 0x0d, (char) 0x0a, (char) 0x1a, (char) 0x0a}; -PHPAPI const char php_sig_tif_ii[4] = {'I','I', (char)0x2A, (char)0x00}; -PHPAPI const char php_sig_tif_mm[4] = {'M','M', (char)0x00, (char)0x2A}; -PHPAPI const char php_sig_jpc[3] = {(char)0xFF, (char)0x4F, (char)0xff}; - - -/* return info as a struct, to make expansion easier */ - -struct gfxinfo { - unsigned int width; - unsigned int height; - unsigned int bits; - unsigned int channels; -}; - -/* {{{ php_handle_gif - * routine to handle GIF files. If only everything were that easy... ;} */ -static struct gfxinfo *php_handle_gif (php_stream * stream TSRMLS_DC) -{ - struct gfxinfo *result = NULL; - unsigned char a[2]; - - result = (struct gfxinfo *) ecalloc(1, sizeof(struct gfxinfo)); - - php_stream_seek(stream, 3, SEEK_CUR); - - php_stream_read(stream, a, sizeof(a)); /* fread(a, sizeof(a), 1, fp); */ - result->width = (unsigned short)a[0] | (((unsigned short)a[1])<<8); - - php_stream_read(stream, a, sizeof(a)); /* fread(a, sizeof(a), 1, fp); */ - result->height = (unsigned short)a[0] | (((unsigned short)a[1])<<8); - - return result; -} -/* }}} */ - -/* {{{ php_handle_psd - */ -static struct gfxinfo *php_handle_psd (php_stream * stream TSRMLS_DC) -{ - struct gfxinfo *result = NULL; - unsigned char a[8]; - char temp[11]; - unsigned long in_width, in_height; - - result = (struct gfxinfo *) ecalloc(1, sizeof(struct gfxinfo)); - php_stream_read(stream, temp, sizeof(temp)); - - if((php_stream_read(stream, a, sizeof(a))) <= 0) { - in_height = 0; - in_width = 0; - } else { - in_height = (((unsigned long) a[ 0 ]) << 24) + (((unsigned long) a[ 1 ]) << 16) + (((unsigned long) a[ 2 ]) << 8) + ((unsigned long) a[ 3 ]); - in_width = (((unsigned long) a[ 4 ]) << 24) + (((unsigned long) a[ 5 ]) << 16) + (((unsigned long) a[ 6 ]) << 8) + ((unsigned long) a[ 7 ]); - } - - result->width = (unsigned int) in_width; - result->height = (unsigned int) in_height; - - return result; -} -/* }}} */ - -/* {{{ php_handle_bmp - */ -static struct gfxinfo *php_handle_bmp (php_stream * stream TSRMLS_DC) -{ - struct gfxinfo *result = NULL; - char temp[15]; - - struct { - unsigned long in_width, in_height; - } dim; - - result = (struct gfxinfo *) ecalloc (1, sizeof(struct gfxinfo)); - - php_stream_read(stream, temp, sizeof(temp)); - php_stream_read(stream, (char*) &dim, sizeof(dim)); - result->width = dim.in_width; - result->height = dim.in_height; - - return result; -} -/* }}} */ - -/* {{{ php_swf_get_bits - * routines to handle SWF files. */ -static unsigned long int php_swf_get_bits (unsigned char* buffer, unsigned int pos, unsigned int count) -{ - unsigned int loop; - unsigned long int result = 0; - - for (loop = pos; loop < pos + count; loop++) - { - result = result + - ((((buffer[loop / 8]) >> (7 - (loop % 8))) & 0x01) << (count - (loop - pos) - 1)); - } - return result; -} -/* }}} */ - -#if HAVE_ZLIB -/* {{{ php_handle_swc - */ -static struct gfxinfo *php_handle_swc (php_stream * stream TSRMLS_DC) -{ - struct gfxinfo *result = NULL; - - long bits; - unsigned char a[64]; - unsigned long len = 64; - char *b; - - b = ecalloc (1, len + 1); - - result = (struct gfxinfo *) ecalloc (1, sizeof (struct gfxinfo)); - php_stream_seek(stream, 5, SEEK_CUR); - - php_stream_read(stream, a, sizeof(a)); /* fread(a, sizeof(a), 1, fp); */ - uncompress (b, &len, a, sizeof(a)); - - bits = php_swf_get_bits (b, 0, 5); - result->width = (php_swf_get_bits (b, 5 + bits, bits) - - php_swf_get_bits (b, 5, bits)) / 20; - result->height = (php_swf_get_bits (b, 5 + (3 * bits), bits) - - php_swf_get_bits (b, 5 + (2 * bits), bits)) / 20; - efree (b); - return result; -} -/* }}} */ -#endif - -/* {{{ php_handle_swf - */ -static struct gfxinfo *php_handle_swf (php_stream * stream TSRMLS_DC) -{ - struct gfxinfo *result = NULL; - long bits; - unsigned char a[32]; - - result = (struct gfxinfo *) ecalloc (1, sizeof (struct gfxinfo)); - php_stream_seek(stream, 5, SEEK_CUR); - - php_stream_read(stream, a, sizeof(a)); /* fread(a, sizeof(a), 1, fp); */ - bits = php_swf_get_bits (a, 0, 5); - result->width = (php_swf_get_bits (a, 5 + bits, bits) - - php_swf_get_bits (a, 5, bits)) / 20; - result->height = (php_swf_get_bits (a, 5 + (3 * bits), bits) - - php_swf_get_bits (a, 5 + (2 * bits), bits)) / 20; - return result; -} -/* }}} */ - -/* {{{ php_handle_png - * routine to handle PNG files */ -static struct gfxinfo *php_handle_png (php_stream * stream TSRMLS_DC) -{ - struct gfxinfo *result = NULL; - unsigned long in_width, in_height; - unsigned char a[8]; - - result = (struct gfxinfo *) ecalloc(1, sizeof(struct gfxinfo)); - - php_stream_seek(stream, 8, SEEK_CUR); - - if((php_stream_read(stream, a, sizeof(a))) <= 0) { - in_width = 0; - in_height = 0; - } else { - in_width = (((unsigned long) a[ 0 ]) << 24) + (((unsigned long) a[ 1 ]) << 16) + (((unsigned long) a[ 2 ]) << 8) + ((unsigned long) a[ 3 ]); - in_height = (((unsigned long) a[ 4 ]) << 24) + (((unsigned long) a[ 5 ]) << 16) + (((unsigned long) a[ 6 ]) << 8) + ((unsigned long) a[ 7 ]); - } - - result->width = (unsigned int) in_width; - result->height = (unsigned int) in_height; - return result; -} -/* }}} */ - -/* routines to handle JPEG data */ - -/* 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 -#define M_COM 0xFE /* COMment */ - -#define M_PSEUDO 0xFFD8 /* pseudo marker for start of image(byte 0) */ - -/* {{{ php_read2 - */ -static unsigned short php_read2(php_stream * stream TSRMLS_DC) -{ - unsigned char a[2]; - - /* just return 0 if we hit the end-of-file */ - if((php_stream_read(stream, a, sizeof(a))) <= 0) return 0; - - return (((unsigned short) a[ 0 ]) << 8) + ((unsigned short) a[ 1 ]); -} -/* }}} */ - -/* {{{ php_next_marker - * get next marker byte from file */ -static unsigned int php_next_marker(php_stream * stream, int last_marker, int comment_correction, int ff_read TSRMLS_DC) -{ - int a=0, marker; - - /* get marker byte, swallowing possible padding */ - if ( last_marker==M_COM && comment_correction) { - /* some software does not count the length bytes of COM section */ - /* one company doing so is very much envolved in JPEG... so we accept too */ - /* by the way: some of those companies changed their code now... */ - comment_correction = 2; - } else { - last_marker = 0; - comment_correction = 0; - } - if ( ff_read) { - a = 1; /* already read 0xff in filetype detection */ - } - do { - if ((marker = php_stream_getc(stream)) == EOF) - { - return M_EOI;/* we hit EOF */ - } - if ( last_marker==M_COM && comment_correction>0) - { - if ( marker != 0xFF) - { - marker = 0xff; - comment_correction--; - } else { - last_marker = M_PSEUDO; /* stop skipping non 0xff for M_COM */ - } - } - if ( ++a > 10) - { - /* who knows the maxim amount of 0xff? though 7 */ - /* but found other implementations */ - return M_EOI; - } - } while ( marker == 0xff); - if ( a < 2) - { - return M_EOI; /* at least one 0xff is needed before marker code */ - } - if ( last_marker==M_COM && comment_correction) - { - return M_EOI; /* ah illegal: char after COM section not 0xFF */ - } - return (unsigned int)marker; -} -/* }}} */ - -/* {{{ php_skip_variable - * skip over a variable-length block; assumes proper length marker */ -static void php_skip_variable(php_stream * stream TSRMLS_DC) -{ - off_t length = ((unsigned int)php_read2(stream TSRMLS_CC)); - - length = length-2; - if (length) - { - php_stream_seek(stream, (long)length, SEEK_CUR); - } -} -/* }}} */ - -/* {{{ php_read_APP - */ -static void php_read_APP(php_stream * stream, unsigned int marker, zval *info TSRMLS_DC) -{ - unsigned short length; - unsigned char *buffer; - unsigned char markername[ 16 ]; - zval *tmp; - - length = php_read2(stream TSRMLS_CC); - length -= 2; /* length includes itself */ - - buffer = emalloc(length); - if ( !buffer) return; - - if (php_stream_read(stream, buffer, (long) length) <= 0) { - efree(buffer); - return; - } - - sprintf(markername, "APP%d", marker - M_APP0); - - if (zend_hash_find(Z_ARRVAL_P(info), markername, strlen(markername)+1, (void **) &tmp) == FAILURE) { - /* XXX we onyl catch the 1st tag of it's kind! */ - add_assoc_stringl(info, markername, buffer, length, 1); - } - - efree(buffer); -} -/* }}} */ - -/* {{{ php_handle_jpeg - main loop to parse JPEG structure */ -static struct gfxinfo *php_handle_jpeg (php_stream * stream, pval *info TSRMLS_DC) -{ - struct gfxinfo *result = NULL; - unsigned int marker = M_PSEUDO; - unsigned short length, ff_read=1; - - for (;;) { - marker = php_next_marker(stream, marker, 1, ff_read TSRMLS_CC); - ff_read = 0; - switch (marker) { - case M_SOF0: - case M_SOF1: - case M_SOF2: - case M_SOF3: - case M_SOF5: - case M_SOF6: - case M_SOF7: - case M_SOF9: - case M_SOF10: - case M_SOF11: - case M_SOF13: - case M_SOF14: - case M_SOF15: - if (result == NULL) { - /* handle SOFn block */ - result = (struct gfxinfo *) ecalloc(1, sizeof(struct gfxinfo)); - if ( !result) - return NULL; - length = php_read2(stream TSRMLS_CC); - result->bits = php_stream_getc(stream); - result->height = php_read2(stream TSRMLS_CC); - result->width = php_read2(stream TSRMLS_CC); - result->channels = php_stream_getc(stream); - if (!info || length<8) /* if we don't want an extanded info -> return */ - return result; - php_stream_seek(stream, length-8, SEEK_CUR); - } else { - php_skip_variable(stream TSRMLS_CC); - } - break; - - case M_APP0: - case M_APP1: - case M_APP2: - case M_APP3: - case M_APP4: - case M_APP5: - case M_APP6: - case M_APP7: - case M_APP8: - case M_APP9: - case M_APP10: - case M_APP11: - case M_APP12: - case M_APP13: - case M_APP14: - case M_APP15: - if (info) { - php_read_APP(stream, marker, info TSRMLS_CC); /* read all the app markes... */ - } else { - php_skip_variable(stream TSRMLS_CC); - } - break; - - case M_SOS: - case M_EOI: - return result; /* we're about to hit image data, or are at EOF. stop processing. */ - break; - - default: - php_skip_variable(stream TSRMLS_CC); /* anything else isn't interesting */ - break; - } - } - - return result; /* perhaps image broken -> no info but size */ -} -/* }}} */ - -/* {{{ jpeg2000 constants - See ext/exif for more */ -#define JC_SOC 0x4F /* Start of codestream */ -#define JC_SIZ 0x51 /* Image and tile size */ -/* }}} */ - -/* {{{ php_read4 - */ -static unsigned int php_read4(php_stream * stream TSRMLS_DC) -{ - unsigned char a[4]; - - /* just return 0 if we hit the end-of-file */ - if((php_stream_read(stream, a, sizeof(a))) <= 0) return 0; - - return (((unsigned int)a[0]) << 24) - + (((unsigned int)a[1]) << 16) - + (((unsigned int)a[2]) << 8) - + (((unsigned int)a[3])); -} -/* }}} */ - -/* {{{ php_handle_tiff - main loop to parse TIFF structure */ -static struct gfxinfo *php_handle_jpc(php_stream * stream TSRMLS_DC) -{ - struct gfxinfo *result = NULL; - unsigned int marker, dummy; - unsigned short length, ff_read = 1; - - marker = php_next_marker(stream, 0, 0, ff_read TSRMLS_CC); - ff_read = 0; - if ( marker == JC_SIZ) - { - length = php_read2(stream TSRMLS_CC); /* Lsiz: length of segment */ - if ( length<42 || length>49191) /* read the spec */ - return NULL; - result = (struct gfxinfo *) ecalloc(1, sizeof(struct gfxinfo)); - if ( !result) - return NULL; - dummy = php_read2(stream TSRMLS_CC); /* Rsiz: capabilities */ - result->height = php_read4(stream TSRMLS_CC); /* Xsiz */ - result->width = php_read4(stream TSRMLS_CC); /* Ysiz */ - dummy = php_read4(stream TSRMLS_CC); /* X0siz */ - dummy = php_read4(stream TSRMLS_CC); /* Y0siz */ - dummy = php_read4(stream TSRMLS_CC); /* XTsiz */ - dummy = php_read4(stream TSRMLS_CC); /* YTsiz */ - dummy = php_read4(stream TSRMLS_CC); /* XT0siz */ - dummy = php_read4(stream TSRMLS_CC); /* YT0siz */ - result->bits = php_read2(stream TSRMLS_CC); /* Csiz: precision in bitss */ - result->channels = 0; /* don't know yet */ - return result; - } - return result; -} -/* }}} */ - -/* {{{ tiff constants - */ -PHPAPI const int php_tiff_bytes_per_format[] = {0, 1, 1, 2, 4, 8, 1, 1, 2, 4, 8, 4, 8}; - -/* uncompressed only */ -#define TAG_IMAGEWIDTH 0x0100 -#define TAG_IMAGEHEIGHT 0x0101 -/* compressed images only */ -#define TAG_COMP_IMAGEWIDTH 0xA002 -#define TAG_COMP_IMAGEHEIGHT 0xA003 - -#define TAG_FMT_BYTE 1 -#define TAG_FMT_STRING 2 -#define TAG_FMT_USHORT 3 -#define TAG_FMT_ULONG 4 -#define TAG_FMT_URATIONAL 5 -#define TAG_FMT_SBYTE 6 -#define TAG_FMT_UNDEFINED 7 -#define TAG_FMT_SSHORT 8 -#define TAG_FMT_SLONG 9 -#define TAG_FMT_SRATIONAL 10 -#define TAG_FMT_SINGLE 11 -#define TAG_FMT_DOUBLE 12 - -typedef unsigned char uchar; -/* }}} */ - -/* {{{ php_ifd_get16u - * Convert a 16 bit unsigned value from file's native byte order */ -static int php_ifd_get16u(void *Short, int motorola_intel) -{ - if (motorola_intel) { - return (((uchar *)Short)[0] << 8) | ((uchar *)Short)[1]; - } else { - return (((uchar *)Short)[1] << 8) | ((uchar *)Short)[0]; - } -} -/* }}} */ - -/* {{{ php_ifd_get16s - * Convert a 16 bit signed value from file's native byte order */ -static signed short php_ifd_get16s(void *Short, int motorola_intel) -{ - return (signed short)php_ifd_get16u(Short, motorola_intel); -} -/* }}} */ - -/* {{{ php_ifd_get32s - * Convert a 32 bit signed value from file's native byte order */ -static int php_ifd_get32s(void *Long, int motorola_intel) -{ - if (motorola_intel) { - return ((( char *)Long)[0] << 24) | (((uchar *)Long)[1] << 16) - | (((uchar *)Long)[2] << 8 ) | (((uchar *)Long)[3] << 0 ); - } else { - return ((( char *)Long)[3] << 24) | (((uchar *)Long)[2] << 16) - | (((uchar *)Long)[1] << 8 ) | (((uchar *)Long)[0] << 0 ); - } -} -/* }}} */ - -/* {{{ php_ifd_get32u - * Convert a 32 bit unsigned value from file's native byte order */ -static unsigned php_ifd_get32u(void *Long, int motorola_intel) -{ - return (unsigned)php_ifd_get32s(Long, motorola_intel) & 0xffffffff; -} -/* }}} */ - -/* {{{ php_handle_tiff - main loop to parse TIFF structure */ -static struct gfxinfo *php_handle_tiff (php_stream * stream, pval *info, int motorola_intel TSRMLS_DC) -{ - struct gfxinfo *result = NULL; - int i, num_entries; - unsigned char *dir_entry; - size_t ifd_size, dir_size, entry_value, width=0, height=0, ifd_addr; - int entry_tag , entry_type; - char *ifd_data, ifd_ptr[4]; - - php_stream_read(stream, ifd_ptr, 4); - ifd_addr = php_ifd_get32u(ifd_ptr, motorola_intel); - php_stream_seek(stream, ifd_addr-8, SEEK_CUR); - ifd_size = 2; - ifd_data = emalloc(ifd_size); - php_stream_read(stream, ifd_data, 2); - num_entries = php_ifd_get16u(ifd_data, motorola_intel); - dir_size = 2/*num dir entries*/ +12/*length of entry*/*num_entries +4/* offset to next ifd (points to thumbnail or NULL)*/; - ifd_size = dir_size; - ifd_data = erealloc(ifd_data,ifd_size); - php_stream_read(stream, ifd_data+2, dir_size-2); - /* now we have the directory we can look how long it should be */ - ifd_size = dir_size; - for(i=0;i<num_entries;i++) { - dir_entry = ifd_data+2+i*12; - entry_tag = php_ifd_get16u(dir_entry+0, motorola_intel); - entry_type = php_ifd_get16u(dir_entry+2, motorola_intel); - switch(entry_type) { - case TAG_FMT_BYTE: - case TAG_FMT_SBYTE: - entry_value = (size_t)(dir_entry[8]); - break; - case TAG_FMT_USHORT: - entry_value = php_ifd_get16u(dir_entry+8, motorola_intel); - break; - case TAG_FMT_SSHORT: - entry_value = php_ifd_get16s(dir_entry+8, motorola_intel); - break; - case TAG_FMT_ULONG: - entry_value = php_ifd_get32u(dir_entry+8, motorola_intel); - break; - case TAG_FMT_SLONG: - entry_value = php_ifd_get32s(dir_entry+8, motorola_intel); - break; - default: - continue; - } - switch(entry_tag) { - case TAG_IMAGEWIDTH: - case TAG_COMP_IMAGEWIDTH: - width = entry_value; - break; - case TAG_IMAGEHEIGHT: - case TAG_COMP_IMAGEHEIGHT: - height = entry_value; - break; - } - } - efree(ifd_data); - if ( width && height) { - /* not the same when in for-loop */ - result = (struct gfxinfo *) ecalloc(1, sizeof(struct gfxinfo)); - result->height = height; - result->width = width; - return result; - } - return NULL; -} -/* }}} */ - -/* {{{ php_imagetype - detect filetype from first bytes */ -PHPAPI int php_getimagetype(php_stream * stream, char *filetype TSRMLS_DC) -{ - char tmp[8]; - - if ( !filetype) filetype = tmp; - if((php_stream_read(stream, filetype, 3)) <= 0) { - php_error(E_WARNING, "getimagesize: Read error!"); - return IMAGE_FILETYPE_UNKNOWN; - } - - if (!memcmp(filetype, php_sig_gif, 3)) { - return IMAGE_FILETYPE_GIF; - } else if (!memcmp(filetype, php_sig_jpg, 3)) { - return IMAGE_FILETYPE_JPEG; - } else if (!memcmp(filetype, php_sig_png, 3)) { - php_stream_read(stream, filetype+3, 5); - if (!memcmp(filetype, php_sig_png, 8)) { - return IMAGE_FILETYPE_PNG; - } else { - php_error(E_WARNING, "PNG file corrupted by ASCII conversion"); - return IMAGE_FILETYPE_UNKNOWN; - } - } else if (!memcmp(filetype, php_sig_swf, 3)) { - return IMAGE_FILETYPE_SWF; -#if HAVE_ZLIB - } else if (!memcmp(filetype, php_sig_swc, 3)) { - return IMAGE_FILETYPE_SWC; -#endif - } else if (!memcmp(filetype, php_sig_psd, 3)) { - return IMAGE_FILETYPE_PSD; - } else if (!memcmp(filetype, php_sig_bmp, 2)) { - return IMAGE_FILETYPE_BMP; - } else if (!memcmp(filetype, php_sig_jpc, 3)) { - return IMAGE_FILETYPE_JPC; - } else { - php_stream_read(stream, filetype+3, 1); - if (!memcmp(filetype, php_sig_tif_ii, 4)) { - return IMAGE_FILETYPE_TIFF_II; - } else - if (!memcmp(filetype, php_sig_tif_mm, 4)) { - return IMAGE_FILETYPE_TIFF_MM; - } - } - - return IMAGE_FILETYPE_UNKNOWN; -} -/* }}} */ - -/* {{{ proto array getimagesize(string imagefile [, array info]) - Get the size of an image as 4-element array */ -PHP_FUNCTION(getimagesize) -{ - zval **arg1, **info = NULL; - int itype = 0; - char temp[64]; - struct gfxinfo *result = NULL; - php_stream * stream = NULL; - - switch(ZEND_NUM_ARGS()) { - - case 1: - if (zend_get_parameters_ex(1, &arg1) == FAILURE) { - WRONG_PARAM_COUNT; - } - convert_to_string_ex(arg1); - break; - - case 2: - if (zend_get_parameters_ex(2, &arg1, &info) == FAILURE) { - WRONG_PARAM_COUNT; - } - zval_dtor(*info); - - if (array_init(*info) == FAILURE) { - return; - } - - convert_to_string_ex(arg1); - break; - - default: - WRONG_PARAM_COUNT; - break; - } - - stream = php_stream_open_wrapper(Z_STRVAL_PP(arg1), "rb", REPORT_ERRORS|IGNORE_PATH|ENFORCE_SAFE_MODE, NULL); - - if (!stream) { - RETURN_FALSE; - } - - itype = php_getimagetype(stream, NULL TSRMLS_CC); - switch( itype) { - case IMAGE_FILETYPE_GIF: - result = php_handle_gif (stream TSRMLS_CC); - break; - case IMAGE_FILETYPE_JPEG: - if (info) { - result = php_handle_jpeg(stream, *info TSRMLS_CC); - } else { - result = php_handle_jpeg(stream, NULL TSRMLS_CC); - } - break; - case IMAGE_FILETYPE_PNG: - result = php_handle_png(stream TSRMLS_CC); - break; - case IMAGE_FILETYPE_SWF: - result = php_handle_swf(stream TSRMLS_CC); - break; -#if HAVE_ZLIB - case IMAGE_FILETYPE_SWC: - result = php_handle_swc(stream TSRMLS_CC); - break; -#endif - case IMAGE_FILETYPE_PSD: - result = php_handle_psd(stream TSRMLS_CC); - break; - case IMAGE_FILETYPE_BMP: - result = php_handle_bmp(stream TSRMLS_CC); - break; - case IMAGE_FILETYPE_TIFF_II: - result = php_handle_tiff(stream, NULL, 0 TSRMLS_CC); - break; - case IMAGE_FILETYPE_TIFF_MM: - result = php_handle_tiff(stream, NULL, 1 TSRMLS_CC); - break; - case IMAGE_FILETYPE_JPC: - result = php_handle_jpc(stream TSRMLS_CC); - break; - default: - case IMAGE_FILETYPE_UNKNOWN: - break; - } - - php_stream_close(stream); - - if (result) { - if (array_init(return_value) == FAILURE) { - php_error(E_ERROR, "Unable to initialize array"); - efree(result); - return; - } - add_index_long(return_value, 0, result->width); - add_index_long(return_value, 1, result->height); - add_index_long(return_value, 2, itype); - sprintf(temp, "width=\"%d\" height=\"%d\"", result->width, result->height); /* safe */ - add_index_string(return_value, 3, temp, 1); - - if (result->bits != 0) { - add_assoc_long(return_value, "bits", result->bits); - } - if (result->channels != 0) { - add_assoc_long(return_value, "channels", result->channels); - } - efree(result); - } else { - RETURN_FALSE; - } -} -/* }}} */ - -/* - * Local variables: - * tab-width: 4 - * c-basic-offset: 4 - * End: - * vim600: sw=4 ts=4 fdm=marker - * vim<600: sw=4 ts=4 - */ |