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可以调整gif动画图片尺寸的很实用的php类_PHP教程

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类的使用demo： 

 "roucheng.php" = ->temp_dir = "keleyi"->resize("keleyi.gif","keleyi_resized.gif",500,500?>

类的源代码,保存为roucheng.php文件：

<span   1                  
  
       
           = "frames"           = 0           = 0           =            =            =            = 0           =            =            =            = 0           = 0          ,           =            =   
                        
          resize(,,,             ->decode(             ->wr=/->             ->hr=/->             ->             ->encode(,,             ->   
                    
           decode(             ->decoding =              ->             ->loadfile(             ->             ->get_graphics_extension(0             ->             ->             ->get_image_block(0             ->get_graphics_extension(1             ->             ->             ->get_image_block(1             (!->checkbyte(0x3b) && !->                 ->get_comment_data(1                 ->get_graphics_extension(2                 ->get_image_block(2              ->writeframes(             ->             ->decoding =    
                    
           encode(,,              = ""             ->pointer = 0             ->imagedata =              ->imageinfo =              ->handle = 0             ->index=0  
             =0             (->parsedfiles                   ->loadfile(                 ->                 ->                 ->                 ->get_graphics_extension(0                 ->get_image_block(0  
                 
                 ((->encdata[->index-1                      = ->encdata[->index-1]["graphicsextension"                 
                      =                   = ->imageinfo["gifheader"                  = ""                 =([3]&&1==1  
                 (                      = ([6                      = (,13+*3,3   
                 
                 ->transfercolortable(->imageinfo["gifheader"],->imagedata[->index-1]["imagedata"  
                  = &->imagedata[->index-1]["imagedata"  
                 
                 (                      = ((([9])&128)==128                     (                         
                         =((2,(([9])&7)+1)*3)+10                         ->orgvars[->index-1]["transparent_color_index"] = 
                         ((((->imagedata[->index-1]["imagedata"],0,),)-10)/3                     }                         
                         =((2,(([10])&7)+1)*3)+10                         ->orgvars[->index-1]["transparent_color_index"] = 
                         ((((,0,),)-10)/3    
                 
  
                 (!->imagedata[->index-1]["graphicsextension"]) ->imagedata[->index-1]["graphicsextension"] = (0x21).(0xf9).(0x04).(0x00).(0x00).(0x00).(0x00).(0x00  
                  = &->imagedata[->index-1]["graphicsextension"  
                 [3] = ((([3]) & 0xE3) | (->orgvars[->index-1]["disposal_method"] << 2                 [4] = ((->orgvars[->index-1]["delay_time"] % 256                 [5] = ((->orgvars[->index-1]["delay_time"] / 256                 (                     [6] = (->orgvars[->index-1]["transparent_color_index"                  [3] = (([3])|  
                 
                 [1] = (((->orgvars[->index-1]["offset_left"]*->wr) % 256                 [2] = (((->orgvars[->index-1]["offset_left"]*->wr) / 256                 [3] = (((->orgvars[->index-1]["offset_top"]*->hr) % 256                 [4] = (((->orgvars[->index-1]["offset_top"]*->hr) / 256  
                 (->index==1                     (!(->imageinfo["applicationdata"]) || !->imageinfo["applicationdata"                         ->imageinfo["applicationdata"]=(0x21).(0xff).(0x0b)."NETSCAPE2.0".(0x03).(0x01).(0x00).(0x00).(0x00                     (!(->imageinfo["commentdata"]) || !->imageinfo["commentdata"                         ->imageinfo["commentdata"] = (0x21).(0xfe).(0x10)."PHPGIFRESIZER1.0".(0                      .= ->orgvars["gifheader"]. ->imageinfo["applicationdata"].->imageinfo["commentdata"                     ((->orgvars["hasgx_type_0"]) && ->orgvars["hasgx_type_0"])  .= ->globaldata["graphicsextension_0"                     ((->orgvars["hasgx_type_1"]) && ->orgvars["hasgx_type_1"])  .= ->globaldata["graphicsextension"   
                  .=  .                  ++                 ->   
              .= (0x3b  
             
             [6] = ( % 256             [7] = (( / 256             [8] = ( % 256             [9] = (( / 256             [11]= ->orgvars["background_color"             
             (,   
                    
                       ->pointer = 0             ->index = 0             ->imagedata =              ->imageinfo =              ->handle = 0             ->parsedfiles =    
                    
                       (->parsedfiles                   (    
                    
           writeframes(             (=0;<(->imagedata);++                 (->temp_dir."/frame_".."_".(,2,"0",STR_PAD_LEFT).".gif",->imageinfo["gifheader"].->imagedata[]["graphicsextension"].->imagedata[]["imagedata"].(0x3b                 ->parsedfiles[]=->temp_dir."/frame_".."_".(,2,"0",STR_PAD_LEFT).".gif"    
                    
           transfercolortable(,&              
             ((([10])&128)==128                 
                  = (2,->readbits(([10]),5,3)+1)*3                 
                  = (,13,                 
                 ((([9])&128)==128                     
                 }                      
                      = (2,->readbits(([9]),5,3)+1)*3                     
                     [9] = (([9]) | (0x80 | ((/3,2)-1                     
                      = (,0,10)..(,-1*()+10              }                 
    
                    
                       ->p_forward(10             (->readbits((=->readbyte_int()),0,1)==1                 ->p_forward(2                 ->p_forward((2,->readbits(,5,3)+1)*3             }                 ->p_forward(2   
             ->imageinfo["gifheader"]=->datapart(0,->             (->                 ->orgvars["gifheader"]=->imageinfo["gifheader"                 ->originalwidth = (->orgvars["gifheader"][7])*256+(->orgvars["gifheader"][6                 ->originalheight = (->orgvars["gifheader"][9])*256+(->orgvars["gifheader"][8                 ->orgvars["background_color"]=->orgvars["gifheader"][11   
          
                        = ->readbyte(2             (==(0x21).(0xff                  = ->pointer - 2                 ->p_forward(->                 ->read_data_stream(->                 ->imageinfo["applicationdata"] = ->datapart(,->pointer-             }                 ->p_rewind(2           
                        = ->readbyte(2             (==(0x21).(0xfe                  = ->pointer - 2                 ->read_data_stream(->                 ->imageinfo["commentdata"] = ->datapart(,->pointer-             }                 ->p_rewind(2           
           get_graphics_extension(              = ->readbyte(2             (==(0x21).(0xf9                  = ->pointer - 2                 ->p_forward(->                 ->p_forward(1                 (==2                     ->imagedata[->index]["graphicsextension"] = ->datapart(,->pointer-                 } (==1                     ->orgvars["hasgx_type_1"] = 1                     ->globaldata["graphicsextension"] = ->datapart(,->pointer-                 } (==0 && ->decoding==                     ->encdata[->index]["graphicsextension"] = ->datapart(,->pointer-                 } (==0 && ->decoding==                     ->orgvars["hasgx_type_0"] = 1                     ->globaldata["graphicsextension_0"] = ->datapart(,->pointer-              }                 ->p_rewind(2           
           get_image_block(             (->checkbyte(0x2c                  = ->                 ->p_forward(9                 (->readbits((=->readbyte_int()),0,1)==1                     ->p_forward((2,->readbits(,5,3)+1)*3                  ->p_forward(1                 ->read_data_stream(->                 ->imagedata[->index]["imagedata"] = ->datapart(,->pointer-  
                 (==0                     ->orgvars["hasgx_type_0"] = 0                     ((->globaldata["graphicsextension_0"                         ->imagedata[->index]["graphicsextension"]=->globaldata["graphicsextension_0"                     
                         ->imagedata[->index]["graphicsextension"]=                     (->globaldata["graphicsextension_0"                 }(==1                     ((->orgvars["hasgx_type_1"]) && ->orgvars["hasgx_type_1"]==1                         ->orgvars["hasgx_type_1"] = 0                         ->imagedata[->index]["graphicsextension"]=->globaldata["graphicsextension"                         (->globaldata["graphicsextension"                     }                         ->orgvars["hasgx_type_0"] = 0                         ->imagedata[->index]["graphicsextension"]=->globaldata["graphicsextension_0"                         (->globaldata["graphicsextension_0"    
                 ->                 ->index++  
           
                       ->imagedata[->index]["disposal_method"] = ->get_imagedata_bit("ext",3,3,3             ->imagedata[->index]["user_input_flag"] = ->get_imagedata_bit("ext",3,6,1             ->imagedata[->index]["transparent_color_flag"] = ->get_imagedata_bit("ext",3,7,1             ->imagedata[->index]["delay_time"] = ->dualbyteval(->get_imagedata_byte("ext",4,2             ->imagedata[->index]["transparent_color_index"] = (->get_imagedata_byte("ext",6,1             ->imagedata[->index]["offset_left"] = ->dualbyteval(->get_imagedata_byte("dat",1,2             ->imagedata[->index]["offset_top"] = ->dualbyteval(->get_imagedata_byte("dat",3,2             ->imagedata[->index]["width"] = ->dualbyteval(->get_imagedata_byte("dat",5,2             ->imagedata[->index]["height"] = ->dualbyteval(->get_imagedata_byte("dat",7,2             ->imagedata[->index]["local_color_table_flag"] = ->get_imagedata_bit("dat",9,0,1             ->imagedata[->index]["interlace_flag"] = ->get_imagedata_bit("dat",9,1,1             ->imagedata[->index]["sort_flag"] = ->get_imagedata_bit("dat",9,2,1             ->imagedata[->index]["color_table_size"] = (2,->get_imagedata_bit("dat",9,5,3)+1)*3             ->imagedata[->index]["color_table"] = (->imagedata[->index]["imagedata"],10,->imagedata[->index]["color_table_size"             ->imagedata[->index]["lzw_code_size"] = (->get_imagedata_byte("dat",10,1             (->                 ->orgvars[->index]["transparent_color_flag"] = ->imagedata[->index]["transparent_color_flag"                 ->orgvars[->index]["transparent_color_index"] = ->imagedata[->index]["transparent_color_index"                 ->orgvars[->index]["delay_time"] = ->imagedata[->index]["delay_time"                 ->orgvars[->index]["disposal_method"] = ->imagedata[->index]["disposal_method"                 ->orgvars[->index]["offset_left"] = ->imagedata[->index]["offset_left"                 ->orgvars[->index]["offset_top"] = ->imagedata[->index]["offset_top"           
           get_imagedata_byte(,,             (=="ext"                  (->imagedata[->index]["graphicsextension"],,             (=="dat"                  (->imagedata[->index]["imagedata"],,          
           get_imagedata_bit(,,,             (=="ext"                  ->readbits(((->imagedata[->index]["graphicsextension"],,1)),,             (=="dat"                  ->readbits(((->imagedata[->index]["imagedata"],,1)),,          
           dualbyteval(              = ([1])*256 + ([0                        
           read_data_stream(             ->p_forward(             =->             (!=0                 (!=0                     ->p_forward(                     =->                          
           loadfile(             ->handle = (,"rb"             ->pointer = 0          
                       (->             ->handle=0          
           readbyte(              = (->handle,             ->pointer +=                         
                        = (->handle,1             ->pointer++              (          
           readbits(,,              = ((),8,"0",              = (,,              (          
           p_rewind(             ->pointer-=             (->handle,->          
           p_forward(             ->pointer+=             (->handle,->          
           datapart(,             (->handle,              = (->handle,             (->handle,->                        
           checkbyte(             ((->handle)==(                 (->handle,->                               }                 (->handle,->                             
                       ((->handle)===                               }                 (->handle,->                             
                    
           debug(              "
"             (=0;<();++                  ((([])),2,"0",STR_PAD_LEFT). " "               "
"          
           debuglen(,              "
"             (=0;<;++                  ((([])),2,"0",STR_PAD_LEFT). " "               "
"          
           debugstream(             ->debug(->datapart(->pointer,          
                    
                       =0             (->parsedfiles                    = imagecreatefromgif(                  = ->imagedata[]["width"                  = ->imagedata[]["height"                  = ( * ->                  = ( * ->                  = imagecreatetruecolor(,                  = imagecolortransparent(                 imagealphablending(,                  imagesavealpha(,                  imagepalettecopy(,                 imagefill(,0,0,imagecolortransparent(                 imagecolortransparent(,imagecolortransparent(                 imagecopyresized(,,0,0,0,0,,,,                 imagegif(,                 imagedestroy(                 imagedestroy(                 ++     
  
 ?>

www.bkjia.comtruehttp://www.bkjia.com/PHPjc/626672.htmlTechArticle类的使用demo： ? "roucheng.php" = -temp_dir = "keleyi" -resize("keleyi.gif","keleyi_resized.gif",500,500 ? 类的源代码,保存为roucheng.php文件： ? = "frames" = 0 = 0...

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