pimchanok leuwisetpaibul php graphics class that facilitates watermarks and thumbnails

Copy the code The code is as follows:

/*
*@author 27262681@qq.com
*copyright http://www.gowake.cn
*/
class img {
function __construct($arg = null) {
$args = func_get_args();
if($arg == null) {
return null;
$this->im = call_user_func_array(array($this,'create'),$args);
}
function __call($func,$arg) {
                                                                                                                                   str = $func;
      } else {
              error("No such class method or function");
                                                                                                                                                  $func;
*Create image
*@param string/int image File path or width
*@param int height, can be omitted
*@param string 6-digit hexadecimal integer
*/
function create($arg = null) {
$args = func_get_args();
if(is_file( { ;size = $this->size ? $this->size : $size;
            $type = image_type_to_extension($size[2],false);                     $this->type = $this->type ? $this->type : $type;
               $createfunc = 'imagecreatefrom'.$type;                                                                                     $this-> 0 and (int)$args[1]>0) {
                          $im = imagecreatetruecolor((int)$args[0],(int)$args[1]) or error("Sorry, the parameter is wrong! ");
             if(!$args[2]) {                                                                                                                                           
                   $color = hexdec(str_replace('#' ,'',$args[2]));
                                                                                                                                                  $args[1]);
                                                                      ");
                                                                                                                                                                                   //imagealphablending        return $im;
}
/*
*Generate thumbnail
*@param int $w The width of the new picture
  *@param int $h The width of the new picture
  *@param string/bool $color optional, new picture The background color, false or empty is transparent
*@param bool $lashen Optional, whether to stretch, the default is not stretching
*/
function suolue($w = null,$h = null,$color = false,$ lashen = false) {
                                                                            using   using         using           using       using using         through using ’ through ’ through ’ using ’s ’ using using ‐  ‐  ‐ ‐                                                          $w = $h * $w_o/$h_o;
          }elseif ($w != null and $h == null){
                      $h = $w *                                                size = null;
$im = $this->create($w,$h,$color);
$w_n = $w;
$h_n = $h;
if($w_o/$h_o > $ w/$h) {
                                                                                                                         {
             $w_n = $h*$w_o/$h_o;                                                                           = $w;
            $h_n = $h ;
                                                                     ) ;
                    //imagedestroy($this->im);                                                                                                                                                                                                                                            ​
/*
*Write on the picture
*@param string $str The string to be written
*@param array $arg String related parameters, an associative array, left is the distance from the left, right is the distance from the right , left takes priority, top is the distance from the top, bottom is the distance from the bottom, top takes priority; angle is the angle, color is the 6-digit hexadecimal color, touming is the text transparency, font is the font file
*/
function write($ str = '' , $arg = array()) {
                                                                       using   $arg['angle'] ? 'angle'] : 0 ;
      $color = $arg['color'] ? $arg['color'] : '000000';
          $touming = $arg['touming'] ?  $arg['touming'] : 100;
                                                                                         ['font'] ? $arg['font'] : 'arial.ttf';
          $boxarr = imagettfbbox($size,$angle,$font,$str);
                                                       im);
          $h = imagesy($this->im);                                                                 $x_l                                                                                                        ;$i<7;$i = $i+2) {
                                                                                                                                        > $x_r ? $boxarr[$i] : $x_r;
                $y_t = $boxarr[$i+1] < $y_t? [$i+1] > $y_b ? $boxarr[$i+1] : $y_b;
                           $width = $x_r - $x_l; Disposal*/ i $ iM = $ this- & gt; Create ($ width*4, $ height*4);
$ tm = hexdec ('7ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffftext ($ IM, $ SIZE, $ Angle, $ Angle, $ Angle, $ ANGLE, $width*2,$height*2,$color,$font,$str);
for($i=0;$i<$width*4;$i++) {
for($ii=0;$ii< ;$height*4;$ii++) {
                                                                                                   
                                                                                                               for($i=0;$i<$height*4;$i++) {
  ,$i) != $tm) {
                                                                                       }
        for($i=$width*4-1;$i>0;$i--) {
            for($ii=$y_t;$ii<$height*4;$ii++) {
                if(imagecolorat($im,$i,$ii) != $tm) {
                    $x_r = $i;
                    break(2);
                }
            }
        }
        for($i=$height*4-1;$i>0;$i--) {
            for($ii=$x_l;$ii<=$x_r;$ii++) {
                if(imagecolorat($im,$ii,$i) != $tm) {
                    $y_b = $i;
                    break(2);
                }
            }
        }
        $x_off = $x_l - $width*2;
        $y_off = $y_b - $height*2;
        $width = $x_r - $x_l; //精确宽度
        $height = $y_b - $y_t; //精确高度
        imagedestroy($im);
        if(isset($arg['left'])) {
            $x = (int)$arg['left'] - $x_off;
        }elseif (isset($arg['right'])){
            $x = $w - (int)$arg['right'] - $width - $x_off;
        }else {
            $x = ($w - $width)/2 - $x_off;
        }
        if(isset($arg['top'])) {
            $y = (int)$arg['top'] - $y_off + $height;
        }elseif (isset($arg['bottom'])){
            $y = $h - (int)$arg['bottom'] - $y_off;
        }else {
            $y = ($h + $height)/2 - $y_off;
        }
        imagettftext($this->im,$size,$angle,$x,$y,$color,$font,$str);
        return $this->im;
    }
    /*
    *合并图片（如图片水影）
    *@param string/resource $file 图片文件路径或这图片标识符
    *@param array $arg 字符串相关的参数，为一个关联数组，left 为距左边距离，right为距右边距离，left优先，top为距顶部距离，bottom为距底部距离，top优先；touming为文字透明度
    */
    function merge($file,$arg = array()) {
        if(is_file($file)) {
            $imc = $this->create($file);
        }elseif(gettype($file)=='resource') {
            $imc = $file;
        }else {
            error("没有图片");
        }
        $touming = $arg['touming'] ? (int)$arg['touming'] : 100 ;
        $w = imagesx($this->im);
        $h = imagesy($this->im);
        $width = imagesx($imc);
        $height = imagesy($imc);
        if(isset($arg['left'])) {
            $x = (int)$arg['left'];
        }elseif (isset($arg['right'])){
            $x = $w - (int)$arg['right'] - $width;
        }else {
            $x = ($w - $width)/2;
        }
        if(isset($arg['top'])) {
            $y = (int)$arg['top'];
        }elseif (isset($arg['bottom'])){
            $y = $h - $height - $arg['bottom'];
        }else {
            $y = ($h - $height)/2;
        }
        imagecopymergegray($this->im,$imc,$x,$y,0,0,$width,$height,$touming);
    }
    /*
    *输出图片
    *@param string $type
    *@param string $filename 要转存的文件路径
    *@param int $zhiliang jpeg图片特有的，图像清晰度
    */
    function display($type = null,$filename = null,$zhiliang = null) {
        if($type == null) {
            $type = $this->type ? $this->type : 'jpg';
        }
        if(($type == 'jpeg' or $type == 'jpg') and $zhiliang == null) {
            $type = 'jpeg';
            $zhiliang = 100;
        }
        if($filename == null) {
            header('Content-type: image/'.$type);
        }
        $displayfunc = 'image'.$type;
        $displayfunc($this->im,$filename,$zhiliang);
        imagedestroy($this->im);
    }
    function randcolor($a,$b) {
        $a = $a>255 ? 255 : (int)$a;
        $a = $a<0 ? 0 : (int)$a;
        $b = $b>255 ? 255 : (int)$b;
        $b = $b<0 ? 0 : (int)$b;
        for($i=0;$i<3;$i++) {
            $color .= str_pad(dechex(mt_rand($a,$b)), 2, "0", STR_PAD_LEFT);
        }
        return $color;
    }
}
/*
function error($msg,$debug = false) {
    $err = new Exception($msg);
    $str = "

n<span>错误:</span>n".print_r($err->getTrace(),1)."n

";
    if($debug == true) {
        file_put_contents(date('Y-m-d').".log",$str);
        return $str;
    }else{
        die($str);
    }
}
*/
?>

这是简单的用法实例

复制代码 代码如下:

$img = new img('a.png');
$m = $img->im;
$im = $img->suolue(100);
$img->im = $m;
$img->suolue(300);
$img->merge($m,array('left'=>0,'top'=>0,'touming'=>60));
$img->merge($im,array('right'=>0,'top'=>0,'touming'=>60));
$img->merge($im,array('left'=>0,'bottom'=>0,'touming'=>60));
$img->merge($im,array('right'=>0,'bottom'=>0,'touming'=>60));
$img->write("春天来了",array('left'=>0,'top'=>0,'size'=>30,'color'=>$img->randcolor(0,180),'angle'=>-45,'font'=>'simfang.ttf','touming'=>80));
$img->write("春天来了",array('left'=>0,'bottom'=>0,'size'=>30,'color'=>$img->randcolor(0,180),'angle'=>45,'font'=>'simfang.ttf','touming'=>80));
$img->write("春天来了",array('right'=>0,'bottom'=>0,'size'=>30,'color'=>$img->randcolor(0,180),'angle'=>-45,'font'=>'simfang.ttf','touming'=>80));
$img->write("春天来了",array('right'=>0,'top'=>0,'size'=>30,'color'=>$img->randcolor(0,180),'angle'=>45,'font'=>'simfang.ttf','touming'=>80));
$img->display("gif");

以上就介绍了pimchanok leuwisetpaibul php 方便水印和缩略图的图形类，包括了pimchanok leuwisetpaibul方面的内容，希望对PHP教程有兴趣的朋友有所帮助。