PHP添加中文水印
示例代码１：<?phpHeader("Content-type: image/png"); /*通知浏览器,要输出图像*/$im = imagecreate(400 , 300); /*定义图像的大小*/$gray = ImageColorAllocate($im , 235 , 235 , 235);$pink = ImageColorAllocate($im, 255 , 128 , 255);$fontfile = "simkai.ttf";/* $fontfile 字体的路径,视操作系统而定,可以是 simhei.ttf(黑体) , SIMKAI.TTF(楷体) , SIMFANG.TTF(仿宋) ,SIMSUN.TTC(宋体&新宋体) 等 GD 支持的中文字体*/$str = iconv('GB2312','UTF-8','中文水印'); /*将 gb2312 的字符集转换成 UTF-8 的字符*/ImageTTFText($im, 30, 0, 100, 200, $pink , $fontfile , $str);/* 加入中文水印 */Imagepng($im);ImageDestroy($im);?>
示例代码２：
<?header("Content-type: image/jpeg");$image = "1.jpg"; //原图$fnt = "c:/windows/fonts/stcaiyun.ttf"; // 彩云$str = "谨防盗版 谨防盗版";//$str = iconv("GB2312","UTF-8",$str);$size = 40;$angle = 20;$ar = imagettfbbox($size, $angle, $fnt, $str);$width = $ar;$height = max($size,$ar-$ar);$im = imagecreatefromjpeg($image);//$white = imagecolorallocate($im, 255,255,255);$color = imagecolorallocatealpha($im, 255,255,255,1);for($i=0;$i<5;$i++) {//$color = imagecolorclosestalpha($im,255,255,255,90-$i*10);imagettftext($im, $size, $angle, 40-$ar, $height-$ar+100*$i, $color, $fnt, $str);}imagejpeg($im);imagedestroy($im);?>
示例代码３：
<?phpclass imagelogo{var $input_image_file = ""; //输入图片的文件名var $output_image_file = ""; //生成文件的名称var $logo_image_name = ""; //包含存放路径的水印图片的文件名var $logo_text = ""; //水印文字var $logo_text_size = 18; //水印文字大小var $logo_text_angle = 4; //水印文字角度var $logo_text_pos = 6; //水印文字放置位置var $logo_text_font = ""; //水印文字的字体var $logo_text_color = "#ffffff"; //水印字体的颜色值var $logo_image_pos = 6; //水印图片放置的位置 //1 = 顶部居左，2 = 顶部居中，3 = 顶部居右，4 = 底部居左 //5 = 底部居中，6 = 底部居右，7 = 中间居左，8 = 居中，9 = 中间居右var $logo_image_transition = 25; //水印图片与原图片的融合度(1=100)var $jpeg_quality = 75; //jpeg图片的质量//生成水印图片function create($filename=""){ if ($filename) $this->input_image_file = strtolower(trim($filename)); $src_image_type = $this->get_type($this->input_image_file); $src_image = $this->createImage($src_image_type,$this->input_image_file); if (!$src_image) return; $src_image_w=imagesx($src_image); $src_image_h=imagesy($src_image); //开始处理水印logo图片信息，把两个图片合成为一个图片 if ($this->logo_image_name){ $this->logo_image_name = strtolower(trim($this->logo_image_name)); $logo_image_type = $this->get_type($this->logo_image_name); $logo_image = $this->createImage($logo_image_type,$this->logo_image_name); $logo_image_w=imagesx($logo_image); $logo_image_h=imagesy($logo_image); $temp_logo_image = $this->getPos($src_image_w,$src_image_h,$this->logo_image_pos,$logo_image); $logo_image_x = $temp_logo_image["dest_x"]; $logo_image_y = $temp_logo_image["dest_y"]; imagecopymerge($src_image, $logo_image,$logo_image_x,$logo_image_y,0,0,$logo_image_w,$logo_image_h,$this->logo_image_transition); } //水印为纯文本 if ($this->logo_text){ $this->logo_text = $this->gb2utf8($this->logo_text); $temp_logo_text = $this->getPos($src_image_w,$src_image_h,$this->logo_text_pos); $logo_text_x = $temp_logo_text["dest_x"]; $logo_text_y = $temp_logo_text["dest_y"]; if(preg_match("/()()()/i", $this->logo_text_color, $color)) { $red = hexdec($color); $green = hexdec($color); $blue = hexdec($color); $logo_text_color = imagecolorallocate($src_image, $red,$green,$blue); }else{ $logo_text_color = imagecolorallocate($src_image, 255,255,255); } //用TrueType字体向图像写入文本 imagettftext($src_image,$this->logo_text_size,$this->logo_angle,$logo_text_x,$logo_text_y,$logo_text_color,$this->logo_text_font,$this->logo_text); } //保存生成的图片为新的文件 if ($this->output_image_file){ switch ($this->get_type($this->output_image_file)){ case 'gif':$src_img=imagegif($src_image, $this->output_image_file); break; case 'jpeg':$src_img=imagejpeg($src_image, $this->output_image_file, $this->jpeg_quality); break; case 'png':$src_img=imagepng($src_image, $this->output_image_file); break; default:$src_img=imagejpeg($src_image, $this->output_image_file, $this->jpeg_quality); break; } } else { //在原来图片的基础上生成新的合成图片 if ($src_image_type = "jpg") $src_image_type="jpeg"; header("Content-type: image/{$src_image_type}"); switch ($src_image_type){ case 'gif':$src_img=imagepng($src_image); break; case 'jpg':$src_img=imagejpeg($src_image, "", $this->jpeg_quality);break; case 'png':$src_img=imagepng($src_image);break; default:$src_img=imagejpeg($src_image, "", $this->jpeg_quality);break; } } imagedestroy($src_image);}//根据文件名和类型创建图片function createImage($type,$img_name){ if (!$type){ $type = $this->get_type($img_name); } switch ($type){ case 'gif': if (function_exists('imagecreatefromgif')) $tmp_img=@imagecreatefromgif($img_name); break; case 'jpg': $tmp_img=imagecreatefromjpeg($img_name); break; case 'png': $tmp_img=imagecreatefrompng($img_name); break; default: $tmp_img=imagecreatefromstring($img_name); break; } return $tmp_img;}//根据源图像的长、宽，位置代码，水印图片id来生成把水印放置到源图像中的位置function getPos($sourcefile_width,$sourcefile_height,$pos,$logo_image=""){ if ($logo_image){ $insertfile_width = imagesx($logo_image); $insertfile_height = imagesy($logo_image); }else { $lineCount = explode("\r\n",$this->logo_text); $fontSize = imagettfbbox($this->logo_text_size,$this->logo_text_angle,$this->logo_text_font,$this->logo_text); $insertfile_width = $fontSize - $fontSize; $insertfile_height = count($lineCount)*($fontSize - $fontSize); } switch ($pos){ case 1://顶部居左 $dest_x = 0; if ($this->logo_text){ $dest_y = $insertfile_height; }else{ $dest_y = 0; } break; case 2://顶部居中 $dest_x = ( ( $sourcefile_width - $insertfile_width ) / 2 ); if ($this->logo_text){ $dest_y = $insertfile_height; }else{ $dest_y = 0; } break; case 3://顶部居右 $dest_x = $sourcefile_width - $insertfile_width; if ($this->logo_text){ $dest_y = $insertfile_height; }else{ $dest_y = 0; } break; case 4://底部居左 $dest_x = 0; $dest_y = $sourcefile_height - $insertfile_height; break; case 5://底部居中 $dest_x = ( ( $sourcefile_width - $insertfile_width ) / 2 ); $dest_y = $sourcefile_height - $insertfile_height; break; case 6://底部居右 $dest_x = $sourcefile_width - $insertfile_width; $dest_y = $sourcefile_height - $insertfile_height; break; case 7://中间居左 $dest_x = 0; $dest_y = ( $sourcefile_height / 2 ) - ( $insertfile_height / 2 ); break; case 8://居中 $dest_x = ( $sourcefile_width / 2 ) - ( $insertfile_width / 2 ); $dest_y = ( $sourcefile_height / 2 ) - ( $insertfile_height / 2 ); break; case 9://中间居右 $dest_x = $sourcefile_width - $insertfile_width; $dest_y = ( $sourcefile_height / 2 ) - ( $insertfile_height / 2 ); break; default://底部居右 $dest_x = $sourcefile_width - $insertfile_width; $dest_y = $sourcefile_height - $insertfile_height; break; } return array("dest_x"=>$dest_x,"dest_y"=>$dest_y);}//获取图片的格式，主要包括jpg,png和giffunction get_type($img_name){ $name_array = explode(".",$img_name); if (preg_match("/\.(gif|jpg|jpeg|png)$/", $img_name, $matches)){ $type = strtolower($matches); }else{ $type = "string"; } return $type;}//指定的文字转换为UTF-8格式，使用gb2312保证中文的正常显示function gb2utf8($gb){ if(!trim($gb)) return $gb; $filename="./gb2312.txt"; $tmp=file($filename); $codetable=array(); while(list($key,$value)=each($tmp)) $codetable=substr($value,7,6); $utf8=""; while($gb){ if (ord(substr($gb,0,1))>127){ $tthis=substr($gb,0,2); $gb=substr($gb,2,strlen($gb)-2); $utf8.=$this->u2utf8(hexdec($codetable)); }else{ $tthis=substr($gb,0,1); $gb=substr($gb,1,strlen($gb)-1); $utf8.=$this->u2utf8($tthis); } } return $utf8;}//转换为UTF8编码function u2utf8($c){ $str=""; if ($c < 0x80){ $str.=$c; }else if ($c < 0x800){ $str.=chr(0xC0 | $c>>6); $str.=chr(0x80 | $c & 0x3F); }else if ($c < 0x10000){ $str.=chr(0xE0 | $c>>12); $str.=chr(0x80 | $c>>6 & 0x3F); $str.=chr(0x80 | $c & 0x3F); }else if ($c < 0x200000){ $str.=chr(0xF0 | $c>>18); $str.=chr(0x80 | $c>>12 & 0x3F); $str.=chr(0x80 | $c>>6 & 0x3F); $str.=chr(0x80 | $c & 0x3F); } return $str;}}?><?phpinclude_once("imagelogo.class.php");$imglogo = new imagelogo();$imglogo->logo_text = "大家好,phpbook";$imglogo->logo_text_font = "./SIMLI.TTF";、//字体$imglogo->create("./scene.jpg");?><?phpinclude_once("imagelogo.class.php");$imglogo = new imagelogo();$imglogo->logo_text = "大家好,phpbook";$imglogo->logo_text_font = "./SIMLI.TTF";$imglogo->output_image_file ="./sd.jpg";$imglogo->create("./scene.jpg");?>
示例代码4：
<?php /*-------------------------------------------------------------**描述：这是用于给指定图片加底部水印（不占用图片显示区域）的自定义类，需创建对象调用**创建：2007-10-09**更新：2007-10-09**说明：1、需要gd库支持，需要iconv支持（php5已经包含不用加载） 2、只适合三种类型的图片，jpg/jpeg/gif/png，其它类型不处理 3、注意图片所在目录的属性必须可写 4、调用范例： $objImg = new MyWaterDownChinese(); $objImg->Path = "images/"; $objImg->FileName = "1.jpg"; $objImg->Text = "HAHAKONGJIANHTTP://HI.BAIDU.COM/LYSONCN"; $objImg->Font = "./font/simhei.ttf"; $objImg->Run();**成员函数：----------------------------------------------------------------*/class MyWaterDownChinese{ var $Path = "./"; //图片所在目录相对于调用此类的页面的相对路径 var $FileName = ""; //图片的名字，如“1.jpg” var $Text = ""; //图片要加上的水印文字，支持中文 var $TextColor = "#ffffff"; //文字的颜色，gif图片时，字体颜色只能为黑色 var $TextBgColor = "#000000"; //文字的背景条的颜色 var $Font = "c://windows//fonts//simhei.ttf"; //字体的存放目录，相对路径 var $OverFlag = true; //是否要覆盖原图，默认为覆盖，不覆盖时，自动在原图文件名后+"_water_down"，如“1.jpg”=> "1_water_down.jpg" var $BaseWidth = 200; //图片的宽度至少要>=200，才会加上水印文字。 //------------------------------------------------------------------//功能：类的构造函数(php5.0以上的形式)//参数：无//返回：无function __construct(){;}//------------------------------------------------------------------//功能：类的析构函数(php5.0以上的形式)//参数：无//返回：无function __destruct(){;}//------------------------------------------------------------------//------------------------------------//功能：对象运行函数，给图片加上水印//参数：无//返回：无function Run(){ if($this->FileName == "" || $this->Text == "") return; //检测是否安装GD库 if(false == function_exists("gd_info")) { echo "系统没有安装GD库，不能给图片加水印."; return; } //设置输入、输出图片路径名 $arr_in_name = explode(".",$this->FileName); // $inImg = $this->Path.$this->FileName; $outImg = $inImg; $tmpImg = $this->Path.$arr_in_name."_tmp.".$arr_in_name; //临时处理的图片，很重要 if(!$this->OverFlag) $outImg = $this->Path.$arr_in_name."_water_down.".$arr_in_name; //检测图片是否存在 if(!file_exists($inImg)) return ; //获得图片的属性 $groundImageType = @getimagesize($inImg); $imgWidth = $groundImageType; $imgHeight = $groundImageType; $imgType = $groundImageType; if($imgWidth < $this->BaseWidth) //小于基本宽度，不处理 return; //图片不是jpg/jpeg/gif/png时，不处理 switch($imgType) { case 1: $image = imagecreatefromgif($inImg); $this->TextBgColor = "#ffffff"; //gif图片字体只能为黑，所以背景颜色就设置为白色 break; case 2: $image = imagecreatefromjpeg($inImg); break; case 3: $image = imagecreatefrompng($inImg); break; default: return; break; } //创建颜色 $color = @imagecolorallocate($image,hexdec(substr($this->TextColor,1,2)),hexdec(substr($this->TextColor,3,2)),hexdec(substr($this->TextColor,5,2))); //文字颜色 //生成一个空的图片，它的高度在底部增加水印高度 $newHeight = $imgHeight+20; $objTmpImg = @imagecreatetruecolor($imgWidth,$newHeight); $colorBg = @imagecolorallocate($objTmpImg,hexdec(substr($this->TextBgColor,1,2)),hexdec(substr($this->TextBgColor,3,2)),hexdec(substr($this->TextBgColor,5,2))); //背景颜色 //填充图片的背景颜色 @imagefill ($objTmpImg,0,0,$colorBg); //把原图copy到临时图片中 @imagecopy($objTmpImg,$image,0,0,0,0,$imgWidth,$imgHeight); //创建要写入的水印文字对象 $objText = $this->createText($this->Text); //计算要写入的水印文字的位置 $x = 5; $y = $newHeight-5; //写入文字水印 @imagettftext($objTmpImg,10,0,$x,$y,$color,$this->Font,$objText); //生成新的图片，临时图片 switch($imgType) { case 1: imagegif($objTmpImg,$tmpImg); break; case 2: imagejpeg($objTmpImg,$tmpImg); break; case 3: imagepng($objTmpImg,$tmpImg); break; default: return; break; } //释放资源 @imagedestroy($objTmpImg); @imagedestroy($image); //重新命名文件 if($this->OverFlag) { //覆盖原图 @unlink($inImg); @rename($tmpImg,$outImg); } else { //不覆盖原图 @rename($tmpImg,$outImg); }}//--------------------------------------//功能：创建水印文字对象//参数：无//返回：创建的水印文字对象function createText($instring){ $outstring=""; $max=strlen($instring); for($i=0;$i<$max;$i++) { $h=ord($instring[$i]); if($h>=160 && $i<$max-1) { $outstring .= "&#".base_convert(bin2hex(iconv("gb2312","ucs-2",substr($instring,$i,2))),16,10).";"; $i++; } else { $outstring .= $instring[$i]; } } return $outstring;}}//class?>
示例代码5：
<?php/*图片处理函数功能：缩放、剪切、相框、水印、锐化、旋转、翻转、透明度、反色处理并保存历史记录的思路：当有图片有改动时自动生成一张新图片，命名方式可以考虑在原图片的基础上加上步骤，例如：图片名称+__第几步*/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 /*水印的类型，默认的为水印文字*/ 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="#000000";//文字颜色 var $FONT_PATH="font/simkai.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 /*缩放比例为1的话就按缩放高度和宽度缩放*/ 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 /*裁切，按比例和固定长度、宽度*/ 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_;//裁切的宽度 var $CUT_HEIGHT=100;//裁切的高度 /*锐化*/ var $SHARP="7.0";//锐化程度 /*透明度处理*/ var $ALPHA='100';//透明度在0-127之间 var $ALPHA_X="90"; var $ALPHA_Y="50"; /*任意角度旋转*/ var $CIRCUMROTATE="90.0";//注意，必须为浮点数 /*出错信息*/ var $ERROR=array( 'unalviable'=>'没有找到相关图片!' ); /*构造函数：函数初始化*/ function __construct($PICTURE_URL) { $this->get_info($PICTURE_URL); } function get_info($PICTURE_URL) { /* 处理原图片的信息,先检测图片是否存在,不存在则给出相应的信息 */ @$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_; $this->PICTURE_HEIGHT=$SIZE; //创建图片 switch($SIZE) { 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"; $this->PICTURE_EXT="png"; break; } /* 文字颜色转换16进制转换成10进制 */ preg_match_all("/(){2,2}/i",$this->FONT_COLOR,$MATCHES); if(count($MATCHES)==3) { $this->RED=hexdec($MATCHES); $this->GREEN=hexdec($MATCHES); $this->BLUE=hexdec($MATCHES); } } #end of __construct /* 将16进制的颜色转换成10进制的（R，G，B） */ function hex2dec() { preg_match_all("/(){2,2}/i",$this->FONT_COLOR,$MATCHES); if(count($MATCHES)==3) { $this->RED=hexdec($MATCHES); $this->GREEN=hexdec($MATCHES); $this->BLUE=hexdec($MATCHES); } } //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_;gt;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() { $this->TRUE_COLOR=imagecreatetruecolor($this->CUT_WIDTH,$this->CUT_WIDTH); imagecopy($this->TRUE_COLOR,$this->PICTURE_CREATE, 0, 0, $this->CUT_X, $this->CUT_Y,$this->CUT_WIDTH,$this->CUT_HEIGHT); } #end of cut /* 在图片上放文字或图片 水印文字 */ function _mark_text() { $this->TRUE_COLOR=imagecreatetruecolor($this->PICTURE_WIDTH,$this->PICTURE_HEIGHT); $this->WORD=mb_convert_encoding($this->FONT_WORD,'utf-8','gb2312'); /* 取得使用 TrueType 字体的文本的范围 */ $TEMP = imagettfbbox($this->FONT_SIZE,0,$this->FONT_PATH,$this->WORD); $WORD_LENGTH=strlen($this->WORD); $WORD_WIDTH =$TEMP - $TEMP; $WORD_HEIGHT =$TEMP - $TEMP; /* 文字水印的默认位置为右下角 */ if($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,$this->WORD); } /* 水印图片 */function _mark_picture(){ /* 获取水印图片的信息 */ @$SIZE=getimagesize($this->FORCE_URL); if(!$SIZE) { exit($this->ERROR['unalviable']); } $FORCE_PICTURE_; $FORCE_PICTURE_HEIGHT=$SIZE; //创建水印图片 switch($SIZE) { 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; } /* 判断水印图片的大小，并生成目标图片的大小，如果水印比图片大，则生成图片大小为水印图片的大小。否则生成的图片大小为原图片大小。 */ $this->NEW_PICTURE=$this->PICTURE_CREATE; if($FORCE_PICTURE_WIDTH>$this->PICTURE_WIDTH) { $CREATE_;gt;FORCE_START_X; } else { $CREATE_;gt;PICTURE_WIDTH; } if($FORCE_PICTURE_HEIGHT>$this->PICTURE_HEIGHT) { $CREATE_HEIGHT=$FORCE_PICTURE_HEIGHT-$this->FORCE_START_Y; } else { $CREATE_HEIGHT=$this->PICTURE_HEIGHT; } /* 创建一个画布 */ $NEW_PICTURE_CREATE=imagecreatetruecolor($CREATE_WIDTH,$CREATE_HEIGHT); $WHITE=imagecolorallocate($NEW_PICTURE_CREATE,255,255,255); /* 将背景图拷贝到画布中 */ imagecopy($NEW_PICTURE_CREATE, $this->PICTURE_CREATE, 0, 0, 0, 0,$this->PICTURE_WIDTH,$this->PICTURE_HEIGHT); /* 将目标图片拷贝到背景图片上 */ imagecopy($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,$b); if ($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; } }}/*图片旋转:沿y轴旋转*/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); }}/*沿X轴旋转*/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); }} /*任意角度旋转*/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);}/*图片锐化*/function sharp(){ $this->TRUE_COLOR=imagecreatetruecolor($this->PICTURE_WIDTH,$this->PICTURE_HEIGHT); $cnt=0; for ($x=0; $x<$this->PICTURE_WIDTH; $x++) { for ($y=0; $y<$this->PICTURE_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)); if (($DST_CLR=imagecolorexact($this->PICTURE_CREATE, $r, $g, $b))==-1) $DST_CLR = imagecolorallocate($this->PICTURE_CREATE, $r, $g, $b); $cnt++; if ($DST_CLR==-1) die("color allocate faile at $x, $y ($cnt)."); imagesetpixel($this->TRUE_COLOR, $x, $y, $DST_CLR); } }} /* 将图片反色处理??*/function return_color(){ /* 创建一个画布 */ $NEW_PICTURE_CREATE=imagecreate($this->PICTURE_WIDTH,$this->PICTURE_HEIGHT); $WHITE=imagecolorallocate($NEW_PICTURE_CREATE,255,255,255); /* 将背景图拷贝到画布中 */ imagecopy($NEW_PICTURE_CREATE, $this->PICTURE_CREATE, 0, 0, 0, 0,$this->PICTURE_WIDTH,$this->PICTURE_HEIGHT); $this->TRUE_COLOR=$NEW_PICTURE_CREATE;} /*生成目标图片并显示*/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);} /*生成目标图片并保存*/function save_picture(){ // 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); $OUT($this->TRUE_COLOR); } }}/*析构函数：释放图片*/function __destruct(){/*释放图片*/ imagedestroy($this->TRUE_COLOR); imagedestroy($this->PICTURE_CREATE);}#end of class}?>
页:
[1]