php图像处理缩略图,超强php图片处理类，包括缩略图，缩放裁剪，锐化，透明，翻转，旋转功能...

喜欢ヅ旅行 2022-11-13 09:26 184阅读 0赞

class picture\{

var $PICTURE\_URL;//要处理的图片

var $DEST\_URL="temp\_\_01.jpg";//生成目标图片位置

var $PICTURE\_CREATE;//要创建的图片

var $TURE\_COLOR;//新建一个真彩图象

var $PICTURE\_WIDTH;//原图片宽度

var $PICTURE\_HEIGHT;//原图片高度

var $MARK\_TYPE=1;

var $WORD;//经过UTF-8后的文字

var $WORD\_X;//文字横坐标

var $WORD\_Y;//文字纵坐标

var $FONT\_TYPE;//字体类型

var $FONT\_SIZE="12";//字体大小

var $FONT\_WORD;//文字

var $ANGLE=0;//文字的角度，默认为0

var $FONT\_COLOR="\#ffffff";//文字颜色

var $FONT\_PATH="22.ttf";//字体库，默认为宋体

var $FORCE\_URL;//水印图片

var $FORCE\_X=0;//水印横坐标

var $FORCE\_Y=0;//水印纵坐标

var $FORCE\_START\_X=0;//切起水印的图片横坐标

var $FORCE\_START\_Y=0;//切起水印的图片纵坐标

var $PICTURE\_TYPE;//图片类型

var $PICTURE\_MIME;//输出的头部

var $ZOOM=1;//缩放类型

var $ZOOM\_MULTIPLE;//缩放比例

var $ZOOM\_WIDTH;//缩放宽度

var $ZOOM\_HEIGHT;//缩放高度

var $CUT\_TYPE=1;//裁切类型

var $CUT\_X=0;//裁切的横坐标

var $CUT\_Y=0;//裁切的纵坐标

var $CUT\_WIDTH=100;//裁切的宽度

var $CUT\_HEIGHT=100;//裁切的高度

var $SHARP="5.0";//锐化程度

var $ALPHA='100';//透明度在0-127之间

var $ALPHA\_X="90";

var $ALPHA\_Y="50";

var $CIRCUMROTATE="90.0";//注意，必须为浮点数

var $ERROR=array(

'unalviable'=>'没有找到相关图片!'

);

function \_\_construct($PICTURE\_URL)\{

$this->get\_info($PICTURE\_URL);

function get\_info($PICTURE\_URL)\{

@$SIZE=getimagesize($PICTURE\_URL);

if(!$SIZE)\{

exit($this->ERROR\['unalviable'\]);

//得到原图片的信息类型、宽度、高度

$this->PICTURE\_MIME=$SIZE\['mime'\];

$this->PICTURE\_WIDTH=$SIZE\[0\];

$this->PICTURE\_HEIGHT=$SIZE\[1\];

//创建图片

switch($SIZE\[2\])\{

case 1:

$this->PICTURE\_CREATE=imagecreatefromgif($PICTURE\_URL);

$this->PICTURE\_TYPE="imagejpeg";

$this->PICTURE\_EXT="jpg";

break;

case 2:

$this->PICTURE\_CREATE=imagecreatefromjpeg($PICTURE\_URL);

$this->PICTURE\_TYPE="imagegif";

$this->PICTURE\_EXT="gif";

break;

case 3:

$this->PICTURE\_CREATE=imagecreatefrompng($PICTURE\_URL);

$this->PICTURE\_TYPE="imagepng";

$this->PICTURE\_EXT="png";

break;

preg\_match\_all("/(\[0-f\])\{2,2\}/i",$this->FONT\_COLOR,$MATCHES);

if(count($MATCHES)==3)\{

$this->RED=hexdec($MATCHES\[0\]\[0\]);

$this->GREEN=hexdec($MATCHES\[0\]\[1\]);

$this->BLUE=hexdec($MATCHES\[0\]\[2\]);

\#end of \_\_construct

function hex2dec()\{

preg\_match\_all("/(\[0-f\]\{2,2\})/i",$this->FONT\_COLOR,$MATCHES);

if(count($MATCHES\[0\])==3)\{

$this->RED=hexdec($MATCHES\[0\]\[0\]);

$this->GREEN=hexdec($MATCHES\[0\]\[1\]);

$this->BLUE=hexdec($MATCHES\[0\]\[2\]);

\}else\{

exit('错误的颜色格式');

//缩放类型

function zoom\_type($ZOOM\_TYPE)\{

$this->ZOOM=$ZOOM\_TYPE;

//对图片进行缩放,如果不指定高度和宽度就进行缩放

function zoom()\{

//缩放的大小

if($this->ZOOM==0)\{

$this->ZOOM\_WIDTH=$this->PICTURE\_WIDTH

\* $this->ZOOM\_MULTIPLE;

$this->ZOOM\_HEIGHT=$this->PICTURE\_HEIGHT

\* $this->ZOOM\_MULTIPLE;

//新建一个真彩图象

$this->TRUE\_COLOR=imagecreatetruecolor($this->ZOOM\_WIDTH,$this->ZOOM\_HEIGHT);

$WHITE=imagecolorallocate($this->TRUE\_COLOR,255,255,255);

imagefilledrectangle($this->TRUE\_COLOR,0,0,$this->ZOOM\_WIDTH,$this->ZOOM\_HEIGHT,$WHITE);

imagecopyresized($this->TRUE\_COLOR,$this->PICTURE\_CREATE,0,0,0,0,$this->ZOOM\_WIDTH,$this->ZOOM\_HEIGHT,$this->PICTURE\_WIDTH,$this->PICTURE\_HEIGHT);

\#end of zoom

//裁切图片,按坐标或自动

function cut($zoom=0)\{

$this->TRUE\_COLOR=imagecreatetruecolor($this->CUT\_WIDTH,$this->CUT\_WIDTH);

if(!$zoom)\{

imagecopy($this->TRUE\_COLOR,$this->PICTURE\_CREATE,

0, 0, $this->CUT\_X,

$this->CUT\_Y,$this->CUT\_WIDTH,$this->CUT\_HEIGHT);

\}else\{

$w=$this->PICTURE\_WIDTH;

$h=$this->PICTURE\_HEIGHT;

if(min($w,$h,$this->CUT\_WIDTH,$this->CUT\_HEIGHT)==0)exit('裁剪尺寸为零，或者获取图片尺寸');

$bl=$this->CUT\_WIDTH/$this->CUT\_HEIGHT;

$bl1=$w/$h;

if($bl>$bl1)\{

$h=floor($w\*$bl);

\}elseif($bl

$w=floor($h/$bl);

imagecopyresampled($this->TRUE\_COLOR,$this->PICTURE\_CREATE,0,

0,$this->CUT\_X,

$this->CUT\_Y,$this->CUT\_WIDTH,$this->CUT\_HEIGHT,$w,

$h);

\#end of cut

function \_mark\_text()\{

$this->TRUE\_COLOR=imagecreatetruecolor($this->PICTURE\_WIDTH,$this->PICTURE\_HEIGHT);

//$this->WORD=mb\_convert\_encoding($this->FONT\_WORD,'utf-8','gb2312');

$this->WORD=iconv('gb2312','utf-8',$this->FONT\_WORD);

//$this->WORD=$this->FONT\_WORD;

$TEMP =

imagettfbbox($this->FONT\_SIZE,0,$this->FONT\_PATH,$this->WORD);

$WORD\_LENGTH=strlen($this->WORD);

$WORD\_WIDTH =$TEMP\[2\] - $TEMP\[6\];

$WORD\_HEIGHT =$TEMP\[3\] - $TEMP\[7\];

if($this->WORD\_X=="")\{

$this->WORD\_X=$this->PICTURE\_WIDTH-$WORD\_WIDTH;

if($this->WORD\_Y=="")\{

$this->WORD\_Y=$this->PICTURE\_HEIGHT-$WORD\_HEIGHT;

imagesettile($this->TRUE\_COLOR,$this->PICTURE\_CREATE);

imagefilledrectangle($this->TRUE\_COLOR,0,0,$this->PICTURE\_WIDTH,$this->PICTURE\_HEIGHT,IMG\_COLOR\_TILED);

$TEXT2=imagecolorallocate($this->TRUE\_COLOR,$this->RED,$this->GREEN,$this->BLUE);

imagettftext($this->TRUE\_COLOR,$this->FONT\_SIZE,$this->ANGLE,$this->WORD\_X,$this->WORD\_Y,$TEXT2,$this->FONT\_PATH,$this->WORD);

function \_mark\_picture()\{

@$SIZE=getimagesize($this->FORCE\_URL);

if(!$SIZE)\{

exit($this->ERROR\['unalviable'\]);

$FORCE\_PICTURE\_WIDTH=$SIZE\[0\];

$FORCE\_PICTURE\_HEIGHT=$SIZE\[1\];

//创建水印图片

switch($SIZE\[2\])\{

case 1:

$FORCE\_PICTURE\_CREATE=imagecreatefromgif($this->FORCE\_URL);

$FORCE\_PICTURE\_TYPE="gif";

break;

case 2:

$FORCE\_PICTURE\_CREATE=imagecreatefromjpeg($this->FORCE\_URL);

$FORCE\_PICTURE\_TYPE="jpg";

break;

case 3:

$FORCE\_PICTURE\_CREATE=imagecreatefrompng($this->FORCE\_URL);

$FORCE\_PICTURE\_TYPE="png";

break;

$this->NEW\_PICTURE=$this->PICTURE\_CREATE;

if($FORCE\_PICTURE\_WIDTH>$this->PICTURE\_WIDTH)\{

$CREATE\_WIDTH=$FORCE\_PICTURE\_WIDTH-$this->FORCE\_START\_X;

\}else\{

$CREATE\_WIDTH=$this->PICTURE\_WIDTH;

if($FORCE\_PICTURE\_HEIGHT>$this->PICTURE\_HEIGHT)\{

$CREATE\_HEIGHT=$FORCE\_PICTURE\_HEIGHT-$this->FORCE\_START\_Y;

\}else\{

$CREATE\_HEIGHT=$this->PICTURE\_HEIGHT;

$NEW\_PICTURE\_CREATE=imagecreatetruecolor($CREATE\_WIDTH,$CREATE\_HEIGHT);

$WHITE=imagecolorallocate($NEW\_PICTURE\_CREATE,255,255,255);

imagecopy($NEW\_PICTURE\_CREATE,

$this->PICTURE\_CREATE, 0, 0, 0,

0,$this->PICTURE\_WIDTH,$this->PICTURE\_HEIGHT);

imagecopy($NEW\_PICTURE\_CREATE, $FORCE\_PICTURE\_CREATE,

$this->FORCE\_X, $this->FORCE\_Y,

$this->FORCE\_START\_X,

$this->FORCE\_START\_Y,$FORCE\_PICTURE\_WIDTH,$FORCE\_PICTURE\_HEIGHT);

$this->TRUE\_COLOR=$NEW\_PICTURE\_CREATE;

\#end of mark

function alpha\_()\{

$this->TRUE\_COLOR=imagecreatetruecolor($this->PICTURE\_WIDTH,$this->PICTURE\_HEIGHT);

$rgb="\#CDCDCD";

$tran\_color="\#000000";

for($j=0;$j<=$this->PICTURE\_HEIGHT-1;$j++)\{

for

($i=0;$i<=$this->PICTURE\_WIDTH-1;$i++)

$rgb =

imagecolorat($this->PICTURE\_CREATE,$i,$j);

$r = ($rgb

>> 16) & 0xFF;

$g = ($rgb

>> 8) & 0xFF;

$b = $rgb

& 0xFF;

$now\_color=imagecolorallocate($this->PICTURE\_CREATE,$r,$g,$b);

($now\_color==$tran\_color)

continue;

else

$color=imagecolorallocatealpha($this->PICTURE\_CREATE,$r,$g,$b,$ALPHA);

imagesetpixel($this->PICTURE\_CREATE,$ALPHA\_X+$i,$ALPHA\_Y+$j,$color);

$this->TRUE\_COLOR=$this->PICTURE\_CREATE;

function turn\_y()\{

$this->TRUE\_COLOR=imagecreatetruecolor($this->PICTURE\_WIDTH,$this->PICTURE\_HEIGHT);

for ($x = 0; $x <

$this->PICTURE\_WIDTH; $x++)

imagecopy($this->TRUE\_COLOR,

$this->PICTURE\_CREATE,

$this->PICTURE\_WIDTH - $x - 1, 0, $x, 0, 1,

$this->PICTURE\_HEIGHT);

function turn\_r1()\{

$this->TRUE\_COLOR=imagecreatetruecolor($this->PICTURE\_HEIGHT,$this->PICTURE\_WIDTH);

//exit("==".$this->PICTURE\_WIDTH);

for ($x = 0; $x <

$this->PICTURE\_WIDTH; $x+=1)

for($y = 0; $y <

$this->PICTURE\_HEIGHT; $y+=1)\{

imagecopy($this->TRUE\_COLOR,

$this->PICTURE\_CREATE, $y, $x,

$this->PICTURE\_WIDTH-$x,

$this->PICTURE\_HEIGHT-$y, 1,1);

function turn\_r2()\{

$this->TRUE\_COLOR=imagecreatetruecolor($this->PICTURE\_HEIGHT,$this->PICTURE\_WIDTH);

//exit("==".$this->PICTURE\_WIDTH);

for ($x = 0; $x <

$this->PICTURE\_WIDTH; $x+=1)

for($y = $this->PICTURE\_HEIGHT; $y

>0; $y-=1)\{

imagecopy($this->TRUE\_COLOR,

$this->PICTURE\_CREATE, $y, $x, $x, $y, 1,1);

function turn\_x()\{

$this->TRUE\_COLOR=imagecreatetruecolor($this->PICTURE\_WIDTH,$this->PICTURE\_HEIGHT);

for ($y = 0; $y <

$this->PICTURE\_HEIGHT; $y++)

imagecopy($this->TRUE\_COLOR,

$this->PICTURE\_CREATE, 0,

$this->PICTURE\_HEIGHT - $y - 1, 0, $y,

$this->PICTURE\_WIDTH, 1);

function turn()\{

$this->TRUE\_COLOR=imagecreatetruecolor($this->PICTURE\_WIDTH,$this->PICTURE\_HEIGHT);

imageCopyResized($this->TRUE\_COLOR,$this->PICTURE\_CREATE,0,0,0,0,$this->PICTURE\_WIDTH,$this->PICTURE\_HEIGHT,$this->PICTURE\_WIDTH,$this->PICTURE\_HEIGHT);

$WHITE=imagecolorallocate($this->TRUE\_COLOR,255,255,255);

$this->TRUE\_COLOR=imagerotate

($this->TRUE\_COLOR,

$this->CIRCUMROTATE, $WHITE);

function sharp()\{

$this->TRUE\_COLOR=imagecreatetruecolor($this->PICTURE\_WIDTH,$this->PICTURE\_HEIGHT);

$cnt=0;

for ($x=0; $xPICTURE\_WIDTH;

$x++)\{

for ($y=0;

$yPICTURE\_HEIGHT; $y++)

$src\_clr1 =

imagecolorsforindex($this->TRUE\_COLOR,

imagecolorat($this->PICTURE\_CREATE, $x-1,

$y-1));

$src\_clr2 =

imagecolorsforindex($this->TRUE\_COLOR,

imagecolorat($this->PICTURE\_CREATE, $x, $y));

$r =

intval($src\_clr2\["red"\]+$this->SHARP\*($src\_clr2\["red"\]-$src\_clr1\["red"\]));

$g =

intval($src\_clr2\["green"\]+$this->SHARP\*($src\_clr2\["green"\]-$src\_clr1\["green"\]));

$b =

intval($src\_clr2\["blue"\]+$this->SHARP\*($src\_clr2\["blue"\]-$src\_clr1\["blue"\]));

$r =

min(255, max($r, 0));

$g =

min(255, max($g, 0));

$b =

min(255, max($b, 0));

(($DST\_CLR=imagecolorexact($this->PICTURE\_CREATE,

$r, $g, $b))==-1)

$DST\_CLR =

imagecolorallocate($this->PICTURE\_CREATE, $r, $g,

$b);

$cnt++;

($DST\_CLR==-1) die("color allocate faile at $x, $y ($cnt).");

imagesetpixel($this->TRUE\_COLOR, $x, $y,

$DST\_CLR);

function return\_color()\{

$NEW\_PICTURE\_CREATE=imagecreate($this->PICTURE\_WIDTH,$this->PICTURE\_HEIGHT);

$WHITE=imagecolorallocate($NEW\_PICTURE\_CREATE,255,255,255);

imagecopy($NEW\_PICTURE\_CREATE,

$this->PICTURE\_CREATE, 0, 0, 0,

0,$this->PICTURE\_WIDTH,$this->PICTURE\_HEIGHT);

$this->TRUE\_COLOR=$NEW\_PICTURE\_CREATE;

function show()\{

// 判断浏览器,若是IE就不发送头

if(isset($\_SERVER\['HTTP\_USER\_AGENT'\]))

$ua =

strtoupper($\_SERVER\['HTTP\_USER\_AGENT'\]);

if(!preg\_match('/^.\*MSIE.\*\\)$/i',$ua))

header("Content-type:$this->PICTURE\_MIME");

$OUT=$this->PICTURE\_TYPE;

$OUT($this->TRUE\_COLOR);

function save\_picture($showpic=0)\{

// 以 JPEG 格式将图像输出到浏览器或文件

$OUT=$this->PICTURE\_TYPE;

if(function\_exists($OUT))\{

// 判断浏览器,若是IE就不发送头

if(isset($\_SERVER\['HTTP\_USER\_AGENT'\]))

$ua =

strtoupper($\_SERVER\['HTTP\_USER\_AGENT'\]);

if(!preg\_match('/^.\*MSIE.\*\\)$/i',$ua))

header("Content-type:$this->PICTURE\_MIME");

if(!$this->TRUE\_COLOR)\{

exit($this->ERROR\['unavilable'\]);

\}else\{

$OUT($this->TRUE\_COLOR,$this->DEST\_URL);

if($showpic)\{

$OUT($this->TRUE\_COLOR);

function \_\_destruct()\{

@imagedestroy($this->TRUE\_COLOR);

@imagedestroy($this->PICTURE\_CREATE);

\#end of class

require\_once "Pic\_Class.php";

$p2=new picture('22.jpg');

//$p2->turn\_y();

//$p2->turn\_x();

$p2->turn\_r1();

$p2->save\_picture(1);

php图像处理缩略图,超强php图片处理类，包括缩略图，缩放裁剪，锐化，透明，翻转，旋转功能...

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