No GD PNG picture generation object

<?php


/*


* PNG Image interface file


*


* This is not a free program


*


* @ Development time: 20080109


* @ Developer: Zhangxuyue [Email]cszx2007@gmail.com[/email]


* @ Version: 1.0


* @ Copyright: Zhangxuyue hold


*/


Interface Zxpnginterface


{


/* Generate pictures (picture width, picture height, picture content) * *


function Build ($width, $height, $content);


}


/*


* PNG image Generation Program


*


* This is not a free program


*


* @ Development time: January 8, 2008 18:14


* @ Developer: ZX


* @ Version: 1.0


* @ Copyright: Zhangxuyue hold


*/


Class Zxpng implements Zxpnginterface


{


Private $kernel;


/*


* Library Master File


*


* @var Kernel


* @access Private


*/


Private $status;


/*


* Processing Status Description


*


* @var BOOL


* @access Private


*/





Private $info;


/*


* PNG image Information collection


*


* @var Array


* @access Private


*/





Public function __construct ($kernel)


{


$this->kernel = & $kernel;


}





/* Generate pictures (picture width, picture height, picture content) * *


Public function Build ($width, $height, $content)


{


Self::createbackground ($width, $height);


$contentLength = strlen ($content);


$table = Self::table ();


$space = 12;





for ($i = 0; $i < $contentLength; $i + +)


{


Self::d Raw ($table [$content [$i]], $width, $height, $space);


$space + 12;


}





Self::crctable ();


$data = Self::headtag ();


$data. = Self::ihdr ($width, $height);


$data. = Self::idat ($width, $height);


$data. = Self::iend ();


return ($DATA);


}





/* Create background color (width, height) * *


Private Function Createbackground ($width, $height)


{


$rnd 1 = Mt_rand (90, 0);


$rnd 2 = Mt_rand (90, 0);


$rnd 3 = Mt_rand (90, 0);


$data = ';





for ($i = 0; $i < $height; $i + +)


{


for ($j = 0; $j < $width; $j + +)


{


$data. = Chr (($i * $j) + $width + $height + $rnd 1) & 255). Chr ($rnd 2 & 255). Chr ($rnd 3 & 255);


}


}


Return (Self::save (' img ', $data));


}





/* Draw pixel points (x, y, width, height, r, G, B, pixel size) * *


Private Function Drawpixel ($x, $y, $width, $height, $r =0, $g =0, $b =0, $size =1)


{


$img = Self::read (' img ');


$offset = 3 * ($width * $y + $x);





for ($i = 0; $i < $size;)


{


$img [$offset + $i] = Chr ($r);


$i + +;


$img [$offset + $i] = Chr ($g);


$i + +;


$img [$offset + $i] = Chr ($b);


$i + +;


}





Return (Self::save (' img ', $img));


}





/* Draw characters (font, width, height, interval) * *


Private function Draw ($table, $width, $height, $space =16)


{


for ($i = 0; $i < $i + +)


{


for ($j = 0; $j < 8; $j + +)


{


if ($table [$i] >> (7-$j)) & 0x01)


{


Self::d rawpixel ($space + $j, $i + 2, $width, $height, 255, 255, 255, 1);


}


}


}





return (true);


}





/*ascii Code Font Form * *


Private Function table ()


{


$ascii = array


(


' 0 ' => array (0x00,0x00,0x38,0x6c,0xc6,0xc6,0xd6,0xd6,0xc6,0xc6,0x6c,0x38,0x00,0x00,0x00,0x00),


' 1 ' => array (0x00,0x00,0x18,0x38,0x78,0x18,0x18,0x18,0x18,0x18,0x18,0x7e,0x00,0x00,0x00,0x00),


' 2 ' => Array (0x00,0x00,0x7c,0xc6,0x06,0x0c,0x18,0x30,0x60,0xc0,0xc6,0xfe,0x00,0x00,0x00,0x00),


' 3 ' => Array (0x00,0x00,0x7c,0xc6,0x06,0x06,0x3c,0x06,0x06,0x06,0xc6,0x7c,0x00,0x00,0x00,0x00),


' 4 ' => Array (0x00,0x00,0x0c,0x1c,0x3c,0x6c,0xcc,0xfe,0x0c,0x0c,0x0c,0x1e,0x00,0x00,0x00,0x00),


' 5 ' => Array (0x00,0x00,0xfe,0xc0,0xc0,0xc0,0xfc,0x06,0x06,0x06,0xc6,0x7c,0x00,0x00,0x00,0x00),


' 6 ' => Array (0x00,0x00,0x38,0x60,0xc0,0xc0,0xfc,0xc6,0xc6,0xc6,0xc6,0x7c,0x00,0x00,0x00,0x00),


' 7 ' => Array (0x00,0x00,0xfe,0xc6,0x06,0x06,0x0c,0x18,0x30,0x30,0x30,0x30,0x00,0x00,0x00,0x00),


' 8 ' => Array (0x00,0x00,0x7c,0xc6,0xc6,0xc6,0x7c,0xc6,0xc6,0xc6,0xc6,0x7c,0x00,0x00,0x00,0x00),


' 9 ' => Array (0x00,0x00,0x7c,0xc6,0xc6,0xc6,0x7e,0x06,0x06,0x06,0x0c,0x78,0x00,0x00,0x00,0x00),


' A ' => Array (0x00,0x00,0x10,0x38,0x6c,0xc6,0xc6,0xfe,0xc6,0xc6,0xc6,0xc6,0x00,0x00,0x00,0x00),


' B ' => Array (0x00,0x00,0xfc,0x66,0x66,0x66,0x7c,0x66,0x66,0x66,0x66,0xfc,0x00,0x00,0x00,0x00),


' C ' => Array (0x00,0x00,0x3c,0x66,0xc2,0xc0,0xc0,0xc0,0xc0,0xc2,0x66,0x3c,0x00,0x00,0x00,0x00),


' D ' => Array (0x00,0x00,0xf8,0x6c,0x66,0x66,0x66,0x66,0x66,0x66,0x6c,0xf8,0x00,0x00,0x00,0x00),


' E ' => Array (0x00,0x00,0xfe,0x66,0x62,0x68,0x78,0x68,0x60,0x62,0x66,0xfe,0x00,0x00,0x00,0x00),


' F ' => Array (0x00,0x00,0xfe,0x66,0x62,0x68,0x78,0x68,0x60,0x60,0x60,0xf0,0x00,0x00,0x00,0x00),


' G ' => Array (0x00,0x00,0x3c,0x66,0xc2,0xc0,0xc0,0xde,0xc6,0xc6,0x66,0x3a,0x00,0x00,0x00,0x00),


' H ' => Array (0x00,0x00,0xc6,0xc6,0xc6,0xc6,0xfe,0xc6,0xc6,0xc6,0xc6,0xc6,0x00,0x00,0x00,0x00),


' I ' => Array (0x00,0x00,0x3c,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x3c,0x00,0x00,0x00,0x00),


' J ' => Array (0x00,0x00,0x1e,0x0c,0x0c,0x0c,0x0c,0x0c,0xcc,0xcc,0xcc,0x78,0x00,0x00,0x00,0x00),


' K ' => Array (0x00,0x00,0xe6,0x66,0x66,0x6c,0x78,0x78,0x6c,0x66,0x66,0xe6,0x00,0x00,0x00,0x00),


' L ' => Array (0x00,0x00,0xf0,0x60,0x60,0x60,0x60,0x60,0x60,0x62,0x66,0xfe,0x00,0x00,0x00,0x00),


' M ' => Array (0x00,0x00,0xc6,0xee,0xfe,0xfe,0xd6,0xc6,0xc6,0xc6,0xc6,0xc6,0x00,0x00,0x00,0x00),


' N ' => Array (0x00,0x00,0xc6,0xe6,0xf6,0xfe,0xde,0xce,0xc6,0xc6,0xc6,0xc6,0x00,0x00,0x00,0x00),


' O ' => Array (0x00,0x00,0x7c,0xc6,0xc6,0xc6,0xc6,0xc6,0xc6,0xc6,0xc6,0x7c,0x00,0x00,0x00,0x00),


' P ' => Array (0x00,0x00,0xfc,0x66,0x66,0x66,0x7c,0x60,0x60,0x60,0x60,0xf0,0x00,0x00,0x00,0x00),


' Q ' => Array (0x00,0x00,0x7c,0xc6,0xc6,0xc6,0xc6,0xc6,0xc6,0xd6,0xde,0x7c,0x0c,0x0e,0x00,0x00),


' R ' => Array (0x00,0x00,0xfc,0x66,0x66,0x66,0x7c,0x6c,0x66,0x66,0x66,0xe6,0x00,0x00,0x00,0x00),


' S ' => Array (0x00,0x00,0x7c,0xc6,0xc6,0x60,0x38,0x0c,0x06,0xc6,0xc6,0x7c,0x00,0x00,0x00,0x00),


' T ' => Array (0x00,0x00,0x7e,0x7e,0x5a,0x18,0x18,0x18,0x18,0x18,0x18,0x3c,0x00,0x00,0x00,0x00),


' U ' => Array (0x00,0x00,0xc6,0xc6,0xc6,0xc6,0xc6,0xc6,0xc6,0xc6,0xc6,0x7c,0x00,0x00,0x00,0x00),


' V ' => Array (0x00,0x00,0xc6,0xc6,0xc6,0xc6,0xc6,0xc6,0xc6,0x6c,0x38,0x10,0x00,0x00,0x00,0x00),


' W ' => Array (0x00,0x00,0xc6,0xc6,0xc6,0xc6,0xd6,0xd6,0xd6,0xfe,0xee,0x6c,0x00,0x00,0x00,0x00),


' X ' => Array (0x00,0x00,0xc6,0xc6,0x6c,0x7c,0x38,0x38,0x7c,0x6c,0xc6,0xc6,0x00,0x00,0x00,0x00),


' Y ' => Array (0x00,0x00,0x66,0x66,0x66,0x66,0x3c,0x18,0x18,0x18,0x18,0x3c,0x00,0x00,0x00,0x00),


' Z ' => Array (0x00,0x00,0xfe,0xc6,0x86,0x0c,0x18,0x30,0x60,0xc2,0xc6,0xfe,0x00,0x00,0x00,0x00),


' A ' => array (0x00,0x00,0x00,0x00,0x00,0x78,0x0c,0x7c,0xcc,0xcc,0xcc,0x76,0x00,0x00,0x00,0x00),


' B ' => Array (0x00,0x00,0xe0,0x60,0x60,0x78,0x6c,0x66,0x66,0x66,0x66,0x7c,0x00,0x00,0x00,0x00),


' C ' => Array (0x00,0x00,0x00,0x00,0x00,0x7c,0xc6,0xc0,0xc0,0xc0,0xc6,0x7c,0x00,0x00,0x00,0x00),


' d ' => Array (0x00,0x00,0x1c,0x0c,0x0c,0x3c,0x6c,0xcc,0xcc,0xcc,0xcc,0x76,0x00,0x00,0x00,0x00),


' E ' => Array (0x00,0x00,0x00,0x00,0x00,0x7c,0xc6,0xfe,0xc0,0xc0,0xc6,0x7c,0x00,0x00,0x00,0x00),


' F ' => Array (0x00,0x00,0x38,0x6c,0x64,0x60,0xf0,0x60,0x60,0x60,0x60,0xf0,0x00,0x00,0x00,0x00),


' G ' => Array (0x00,0x00,0x00,0x00,0x00,0x76,0xcc,0xcc,0xcc,0xcc,0xcc,0x7c,0x0c,0xcc,0x78,0x00),


' H ' => Array (0x00,0x00,0xe0,0x60,0x60,0x6c,0x76,0x66,0x66,0x66,0x66,0xe6,0x00,0x00,0x00,0x00),


' I ' => Array (0x00,0x00,0x18,0x18,0x00,0x38,0x18,0x18,0x18,0x18,0x18,0x3c,0x00,0x00,0x00,0x00),


' J ' => Array (0x00,0x00,0x06,0x06,0x00,0x0e,0x06,0x06,0x06,0x06,0x06,0x06,0x66,0x66,0x3c,0x00),


' K ' => Array (0x00,0x00,0xe0,0x60,0x60,0x66,0x6c,0x78,0x78,0x6c,0x66,0xe6,0x00,0x00,0x00,0x00),


' L ' => Array (0x00,0x00,0x38,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x3c,0x00,0x00,0x00,0x00),


' m ' => Array (0x00,0x00,0x00,0x00,0x00,0xec,0xfe,0xd6,0xd6,0xd6,0xd6,0xc6,0x00,0x00,0x00,0x00),


' N ' => Array (0x00,0x00,0x00,0x00,0x00,0xdc,0x66,0x66,0x66,0x66,0x66,0x66,0x00,0x00,0x00,0x00),


' O ' => Array (0x00,0x00,0x00,0x00,0x00,0x7c,0xc6,0xc6,0xc6,0xc6,0xc6,0x7c,0x00,0x00,0x00,0x00),


' P ' => Array (0x00,0x00,0x00,0x00,0x00,0xdc,0x66,0x66,0x66,0x66,0x66,0x7c,0x60,0x60,0xf0,0x00),


' Q ' => array (0x00,0x00,0x00,0x00,0x00,0x76,0xcc,0xcc,0xcc,0xcc,0xcc,0x7c,0x0c,0x0c,0x1e,0x00),


' R ' => Array (0x00,0x00,0x00,0x00,0x00,0xdc,0x76,0x66,0x60,0x60,0x60,0xf0,0x00,0x00,0x00,0x00),


' s ' => Array (0x00,0x00,0x00,0x00,0x00,0x7c,0xc6,0x60,0x38,0x0c,0xc6,0x7c,0x00,0x00,0x00,0x00),


' t ' => Array (0x00,0x00,0x10,0x30,0x30,0xfc,0x30,0x30,0x30,0x30,0x36,0x1c,0x00,0x00,0x00,0x00),


' U ' => Array (0x00,0x00,0x00,0x00,0x00,0xcc,0xcc,0xcc,0xcc,0xcc,0xcc,0x76,0x00,0x00,0x00,0x00),


' V ' => Array (0x00,0x00,0x00,0x00,0x00,0x66,0x66,0x66,0x66,0x66,0x3c,0x18,0x00,0x00,0x00,0x00),


' W ' => Array (0x00,0x00,0x00,0x00,0x00,0xc6,0xc6,0xd6,0xd6,0xd6,0xfe,0x6c,0x00,0x00,0x00,0x00),


' X ' => array (0x00,0x00,0x00,0x00,0x00,0xc6,0x6c,0x38,0x38,0x38,0x6c,0xc6,0x00,0x00,0x00,0x00),


' Y ' => Array (0x00,0x00,0x00,0x00,0x00,0xc6,0xc6,0xc6,0xc6,0xc6,0xc6,0x7e,0x06,0x0c,0xf8,0x00),


' Z ' => Array (0x00,0x00,0x00,0x00,0x00,0xfe,0xcc,0x18,0x30,0x60,0xc6,0xfe,0x00,0x00,0x00,0x00)


);





return ($ASCII);


}





/* Create a CRC check form * *


Private Function crctable ()


{


$z =-306674912; = 0xedb88320





for ($n = 0; $n < 256; $n + +)


{


$c = $n;





for ($k = 0; $k < 8; $k + +)


{


$c = ($c & 1)? $z ^ (($c >> 1) & 0x7fffffff): ($c >> 1) & 0x7fffffff;


}





$crcTable [$n] = $c;


}





Return (Self::save (' crctable ', $crcTable));


}





/*png picture File Head * *


Private Function Headtag ()


{


Return (Pack ("c*", 137, 80, 78, 71, 13, 10, 26, 10));


}





/*IHDR Data block information (width, height) * *


Private Function Ihdr ($width, $height)


{


$body = Pack ("c*", ($width >>) & 255, ($width >>) & 255, ($width >> 8) & 255, $width & Amp 255, ($height >>) & 255, ($height >>) & 255, ($height >> 8) & 255, $height & 255, Self::d epth (), Self::type (), 0, 0, 0);


Return (Self::chunk ($body, "IHDR"));


}





/* Image Depth * *


Private Function Depth ()


{


return (8);


}





/* Image Type * *


Private function type ()


{


return (2);


}





/* Data block (data, type) * *


Private function Chunk ($data, $type)


{


$len = strlen ($data);


$chunk = Pack ("c*", ($len >>) & 255, ($len >>) & 255, ($len >> 8) & 255, $len & 25 5). $type. $data;


$c = $z = 16777215 | 255 << 24;


$chunkLength = strlen ($chunk);


$crcTable = Self::read (' crctable ');





for ($i = 4; $i < $chunkLength; $i + +)


{


$z 8 = ($z >> 8) & 0xFFFFFF;


$z = $crcTable [($z ^ ord ($chunk [$i])) & 0xFF] ^ $z 8;


}





$CRC = $c ^ $z;


$chunk. = Chr ($CRC >>) & 255). Chr ($CRC >>) & 255). Chr (($CRC >> 8) & 255). Chr ($CRC & 255);


return ($chunk);


}





/*idat data block (width, height) * *


Private Function Idat ($width, $height)


{


$data = Self::read (' img ');


$body = ';


$k = 0;





for ($h = 0; $h < $height; $h + +)


{


$body. = chr (0);





for ($w = 0; $w < $width * 3; $w + +)


{


$body. = $data [$k + +];


}


}





Return (Self::chunk self::idathead ($width, $height). $body. Self::adler ($body), "Idat");


}





/*idat header information (width, height) * *


Private Function Idathead ($width, $height)


{


$len = ($width * 3 + 1) * $height;


Return (Pack ("c*", 0x78, 0x01, 1, $len & 255, ($len >> 8) & 255, 255-($len & 255), 255-(($len >&gt ; 8) & 255));


}


/* Calculate ADLER32 Code (content data) * *


Private Function Adler ($data)


{


$dataLen = strlen ($data);


$s 1 = 1;


$s 2 = 0;





for ($i = 0; $i < $dataLen; $i + +)


{


$s 1 = ($s 1 + ord ($data [$i]))% 65521;


$s 2 = ($s 2 + $s 1)% 65521;


}





$adler = ($s 2 << 16) | $s 1;


Return (Chr ($adler >>) & 255) Chr (($adler >>) & 255) Chr (($adler >> 8) & 255). Ch R ($adler & 255));


}





/*iend*/


Private Function Iend ()


{


Return (Self::chunk (' "," iend "));


}





/* Save (field name, value) * *


Private function Save ($field, $value)


{


$this->info[$field] = $value;


return (true);


}





/* Read (field name) * *


Private function Read ($field)


{


Return ($this->info[$field]);


}





Public Function __destruct ()


{


}


}


?>