diff options
author | Luke Shumaker <LukeShu@sbcglobal.net> | 2014-01-28 09:50:25 -0500 |
---|---|---|
committer | Luke Shumaker <LukeShu@sbcglobal.net> | 2014-01-28 09:50:25 -0500 |
commit | 5744df39e15f85c6cc8a9faf8924d77e76d2b216 (patch) | |
tree | a8c8dd40a94d1fa0d5377566aa5548ae55a163da /includes/media/GIFMetadataExtractor.php | |
parent | 4bb2aeca1d198391ca856aa16c40b8559c68daec (diff) | |
parent | 224b22a051051f6c2e494c3a2fb4adb42898e2d1 (diff) |
Merge branch 'archwiki'
Conflicts:
extensions/FluxBBAuthPlugin.php
extensions/SyntaxHighlight_GeSHi/README
extensions/SyntaxHighlight_GeSHi/SyntaxHighlight_GeSHi.class.php
extensions/SyntaxHighlight_GeSHi/SyntaxHighlight_GeSHi.i18n.php
extensions/SyntaxHighlight_GeSHi/SyntaxHighlight_GeSHi.php
extensions/SyntaxHighlight_GeSHi/geshi/docs/CHANGES
extensions/SyntaxHighlight_GeSHi/geshi/docs/THANKS
extensions/SyntaxHighlight_GeSHi/geshi/docs/TODO
extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/AbstractClass.png
extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/AbstractClass_logo.png
extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/AbstractMethod.png
extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/AbstractPrivateClass.png
extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/AbstractPrivateClass_logo.png
extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/AbstractPrivateMethod.png
extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Class.png
extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Class_logo.png
extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Constant.png
extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Constructor.png
extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Destructor.png
extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Function.png
extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Global.png
extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/I.png
extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Index.png
extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Interface.png
extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Interface_logo.png
extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/L.png
extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Lminus.png
extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Lplus.png
extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Method.png
extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Page.png
extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Page_logo.png
extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/PrivateClass.png
extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/PrivateClass_logo.png
extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/PrivateMethod.png
extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/PrivateVariable.png
extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/StaticMethod.png
extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/StaticVariable.png
extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/T.png
extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Tminus.png
extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Tplus.png
extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/Variable.png
extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/blank.png
extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/class_folder.png
extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/file.png
extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/folder.png
extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/function_folder.png
extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/next_button.png
extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/next_button_disabled.png
extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/package.png
extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/package_folder.png
extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/previous_button.png
extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/previous_button_disabled.png
extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/private_class_logo.png
extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/tutorial.png
extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/tutorial_folder.png
extensions/SyntaxHighlight_GeSHi/geshi/docs/api/media/images/up_button.png
extensions/SyntaxHighlight_GeSHi/geshi/docs/geshi-doc.html
extensions/SyntaxHighlight_GeSHi/geshi/docs/geshi-doc.txt
extensions/SyntaxHighlight_GeSHi/geshi/geshi.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/4cs.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/6502acme.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/6502kickass.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/6502tasm.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/68000devpac.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/abap.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/actionscript.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/actionscript3.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/ada.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/algol68.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/apache.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/applescript.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/apt_sources.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/asm.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/asp.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/autoconf.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/autohotkey.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/autoit.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/avisynth.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/awk.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/bascomavr.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/bash.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/basic4gl.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/bf.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/bibtex.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/blitzbasic.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/bnf.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/boo.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/c.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/c_loadrunner.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/c_mac.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/caddcl.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/cadlisp.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/cfdg.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/cfm.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/chaiscript.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/cil.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/clojure.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/cmake.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/cobol.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/coffeescript.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/cpp-qt.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/cpp.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/csharp.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/css.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/cuesheet.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/d.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/dcs.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/delphi.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/diff.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/div.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/dos.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/dot.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/e.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/ecmascript.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/eiffel.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/email.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/epc.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/erlang.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/euphoria.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/f1.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/falcon.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/fo.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/fortran.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/freebasic.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/fsharp.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/gambas.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/gdb.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/genero.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/genie.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/gettext.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/glsl.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/gml.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/gnuplot.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/go.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/groovy.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/gwbasic.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/haskell.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/hicest.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/hq9plus.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/html4strict.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/html5.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/icon.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/idl.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/ini.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/inno.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/intercal.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/io.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/j.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/java.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/java5.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/javascript.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/jquery.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/kixtart.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/klonec.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/klonecpp.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/latex.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/lb.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/lisp.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/llvm.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/locobasic.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/logtalk.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/lolcode.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/lotusformulas.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/lotusscript.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/lscript.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/lsl2.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/lua.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/m68k.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/magiksf.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/make.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/mapbasic.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/matlab.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/mirc.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/mmix.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/modula2.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/modula3.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/mpasm.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/mxml.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/mysql.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/newlisp.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/nsis.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/oberon2.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/objc.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/objeck.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/ocaml-brief.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/ocaml.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/oobas.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/oracle11.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/oracle8.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/oxygene.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/oz.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/pascal.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/pcre.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/per.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/perl.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/perl6.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/pf.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/php-brief.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/php.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/pic16.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/pike.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/pixelbender.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/pli.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/plsql.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/postgresql.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/povray.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/powerbuilder.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/powershell.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/proftpd.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/progress.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/prolog.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/properties.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/providex.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/purebasic.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/pycon.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/python.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/q.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/qbasic.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/rails.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/rebol.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/reg.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/robots.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/rpmspec.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/rsplus.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/ruby.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/sas.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/scala.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/scheme.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/scilab.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/sdlbasic.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/smalltalk.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/smarty.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/sql.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/systemverilog.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/tcl.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/teraterm.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/text.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/thinbasic.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/tsql.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/typoscript.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/unicon.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/uscript.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/vala.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/vb.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/vbnet.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/verilog.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/vhdl.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/vim.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/visualfoxpro.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/visualprolog.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/whitespace.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/whois.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/winbatch.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/xbasic.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/xml.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/xorg_conf.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/xpp.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/yaml.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/z80.php
extensions/SyntaxHighlight_GeSHi/geshi/geshi/zxbasic.php
Diffstat (limited to 'includes/media/GIFMetadataExtractor.php')
-rw-r--r-- | includes/media/GIFMetadataExtractor.php | 90 |
1 files changed, 54 insertions, 36 deletions
diff --git a/includes/media/GIFMetadataExtractor.php b/includes/media/GIFMetadataExtractor.php index 5fc5c1a7..887afa3f 100644 --- a/includes/media/GIFMetadataExtractor.php +++ b/includes/media/GIFMetadataExtractor.php @@ -49,16 +49,16 @@ class GIFMetadataExtractor { * @return array */ static function getMetadata( $filename ) { - self::$gif_frame_sep = pack( "C", ord("," ) ); - self::$gif_extension_sep = pack( "C", ord("!" ) ); - self::$gif_term = pack( "C", ord(";" ) ); + self::$gif_frame_sep = pack( "C", ord( "," ) ); + self::$gif_extension_sep = pack( "C", ord( "!" ) ); + self::$gif_term = pack( "C", ord( ";" ) ); $frameCount = 0; $duration = 0.0; $isLooped = false; $xmp = ""; $comment = array(); - + if ( !$filename ) { throw new Exception( "No file name specified" ); } elseif ( !file_exists( $filename ) || is_dir( $filename ) ) { @@ -73,7 +73,7 @@ class GIFMetadataExtractor { // Check for the GIF header $buf = fread( $fh, 6 ); - if ( !($buf == 'GIF87a' || $buf == 'GIF89a') ) { + if ( !( $buf == 'GIF87a' || $buf == 'GIF89a' ) ) { throw new Exception( "Not a valid GIF file; header: $buf" ); } @@ -90,10 +90,10 @@ class GIFMetadataExtractor { // Skip over the GCT self::readGCT( $fh, $bpp ); - while( !feof( $fh ) ) { + while ( !feof( $fh ) ) { $buf = fread( $fh, 1 ); - if ($buf == self::$gif_frame_sep) { + if ( $buf == self::$gif_frame_sep ) { // Found a frame $frameCount++; @@ -107,21 +107,25 @@ class GIFMetadataExtractor { ## Read GCT self::readGCT( $fh, $bpp ); fread( $fh, 1 ); - self::skipBlock( $fh ); + self::skipBlock( $fh ); } elseif ( $buf == self::$gif_extension_sep ) { $buf = fread( $fh, 1 ); - if ( strlen( $buf ) < 1 ) throw new Exception( "Ran out of input" ); + if ( strlen( $buf ) < 1 ) { + throw new Exception( "Ran out of input" ); + } $extension_code = unpack( 'C', $buf ); $extension_code = $extension_code[1]; - if ($extension_code == 0xF9) { + if ( $extension_code == 0xF9 ) { // Graphics Control Extension. fread( $fh, 1 ); // Block size fread( $fh, 1 ); // Transparency, disposal method, user input $buf = fread( $fh, 2 ); // Delay, in hundredths of seconds. - if ( strlen( $buf ) < 2 ) throw new Exception( "Ran out of input" ); + if ( strlen( $buf ) < 2 ) { + throw new Exception( "Ran out of input" ); + } $delay = unpack( 'v', $buf ); $delay = $delay[1]; $duration += $delay * 0.01; @@ -129,13 +133,15 @@ class GIFMetadataExtractor { fread( $fh, 1 ); // Transparent colour index $term = fread( $fh, 1 ); // Should be a terminator - if ( strlen( $term ) < 1 ) throw new Exception( "Ran out of input" ); + if ( strlen( $term ) < 1 ) { + throw new Exception( "Ran out of input" ); + } $term = unpack( 'C', $term ); $term = $term[1]; - if ($term != 0 ) { + if ( $term != 0 ) { throw new Exception( "Malformed Graphics Control Extension block" ); } - } elseif ($extension_code == 0xFE) { + } elseif ( $extension_code == 0xFE ) { // Comment block(s). $data = self::readBlock( $fh ); if ( $data === "" ) { @@ -157,48 +163,51 @@ class GIFMetadataExtractor { $commentCount = count( $comment ); if ( $commentCount === 0 - || $comment[$commentCount-1] !== $data ) + || $comment[$commentCount - 1] !== $data ) { // Some applications repeat the same comment on each // frame of an animated GIF image, so if this comment // is identical to the last, only extract once. $comment[] = $data; } - } elseif ($extension_code == 0xFF) { + } elseif ( $extension_code == 0xFF ) { // Application extension (Netscape info about the animated gif) // or XMP (or theoretically any other type of extension block) $blockLength = fread( $fh, 1 ); - if ( strlen( $blockLength ) < 1 ) throw new Exception( "Ran out of input" ); + if ( strlen( $blockLength ) < 1 ) { + throw new Exception( "Ran out of input" ); + } $blockLength = unpack( 'C', $blockLength ); $blockLength = $blockLength[1]; $data = fread( $fh, $blockLength ); - if ($blockLength != 11 ) { - wfDebug( __METHOD__ . ' GIF application block with wrong length' ); - fseek( $fh, -($blockLength + 1), SEEK_CUR ); + if ( $blockLength != 11 ) { + wfDebug( __METHOD__ . " GIF application block with wrong length\n" ); + fseek( $fh, -( $blockLength + 1 ), SEEK_CUR ); self::skipBlock( $fh ); continue; } // NETSCAPE2.0 (application name for animated gif) if ( $data == 'NETSCAPE2.0' ) { - $data = fread( $fh, 2 ); // Block length and introduction, should be 03 01 - if ($data != "\x03\x01") { + if ( $data != "\x03\x01" ) { throw new Exception( "Expected \x03\x01, got $data" ); } - + // Unsigned little-endian integer, loop count or zero for "forever" $loopData = fread( $fh, 2 ); - if ( strlen( $loopData ) < 2 ) throw new Exception( "Ran out of input" ); + if ( strlen( $loopData ) < 2 ) { + throw new Exception( "Ran out of input" ); + } $loopData = unpack( 'v', $loopData ); $loopCount = $loopData[1]; - - if ($loopCount != 1) { + + if ( $loopCount != 1 ) { $isLooped = true; } - + // Read out terminator byte fread( $fh, 1 ); } elseif ( $data == 'XMP DataXMP' ) { @@ -219,7 +228,7 @@ class GIFMetadataExtractor { } else { // unrecognized extension block - fseek( $fh, -($blockLength + 1), SEEK_CUR ); + fseek( $fh, -( $blockLength + 1 ), SEEK_CUR ); self::skipBlock( $fh ); continue; } @@ -229,10 +238,12 @@ class GIFMetadataExtractor { } elseif ( $buf == self::$gif_term ) { break; } else { - if ( strlen( $buf ) < 1 ) throw new Exception( "Ran out of input" ); + if ( strlen( $buf ) < 1 ) { + throw new Exception( "Ran out of input" ); + } $byte = unpack( 'C', $buf ); $byte = $byte[1]; - throw new Exception( "At position: ".ftell($fh). ", Unknown byte ".$byte ); + throw new Exception( "At position: " . ftell( $fh ) . ", Unknown byte " . $byte ); } } @@ -252,7 +263,7 @@ class GIFMetadataExtractor { */ static function readGCT( $fh, $bpp ) { if ( $bpp > 0 ) { - for( $i=1; $i<=pow( 2, $bpp ); ++$i ) { + for ( $i = 1; $i <= pow( 2, $bpp ); ++$i ) { fread( $fh, 3 ); } } @@ -260,10 +271,13 @@ class GIFMetadataExtractor { /** * @param $data + * @throws Exception * @return int */ static function decodeBPP( $data ) { - if ( strlen( $data ) < 1 ) throw new Exception( "Ran out of input" ); + if ( strlen( $data ) < 1 ) { + throw new Exception( "Ran out of input" ); + } $buf = unpack( 'C', $data ); $buf = $buf[1]; $bpp = ( $buf & 7 ) + 1; @@ -276,20 +290,23 @@ class GIFMetadataExtractor { /** * @param $fh - * @return + * @throws Exception */ static function skipBlock( $fh ) { while ( !feof( $fh ) ) { $buf = fread( $fh, 1 ); - if ( strlen( $buf ) < 1 ) throw new Exception( "Ran out of input" ); + if ( strlen( $buf ) < 1 ) { + throw new Exception( "Ran out of input" ); + } $block_len = unpack( 'C', $buf ); $block_len = $block_len[1]; - if ($block_len == 0) { + if ( $block_len == 0 ) { return; } fread( $fh, $block_len ); } } + /** * Read a block. In the GIF format, a block is made up of * several sub-blocks. Each sub block starts with one byte @@ -301,6 +318,7 @@ class GIFMetadataExtractor { * sub-blocks in the returned value. Normally this is false, * except XMP is weird and does a hack where you need to keep * these length bytes. + * @throws Exception * @return string The data. */ static function readBlock( $fh, $includeLengths = false ) { @@ -308,7 +326,7 @@ class GIFMetadataExtractor { $subLength = fread( $fh, 1 ); $blocks = 0; - while( $subLength !== "\0" ) { + while ( $subLength !== "\0" ) { $blocks++; if ( $blocks > self::MAX_SUBBLOCKS ) { throw new Exception( "MAX_SUBBLOCKS exceeded (over $blocks sub-blocks)" ); |