PHP网页设计php 图片水印类 - 仓酷云

<?phpclassThumbHandler{var$dst_img;//方针文件var$h_src;//图片资本句柄var$h_dst;//新图句柄var$h_mask;//水印句柄var$img_create_quality=100;//图片天生质量var$img_display_quality=80;//图片显现质量,默许为75var$img_scale=0;//图片缩放比例var$src_w=0;//原始图片宽度var$src_h=0;//原始图片高度var$dst_w=0;//新图总宽度var$dst_h=0;//新图总高度var$fill_w;//添补图形宽var$fill_h;//添补图形高var$copy_w;//拷贝图形宽var$copy_h;//拷贝图形高var$src_x=0;//原始图片绘制肇端横坐标var$src_y=0;//原始图片绘制肇端纵坐标var$start_x;//新图绘制肇端横坐标var$start_y;//新图绘制肇端纵坐标var$mask_word;//水印笔墨var$mask_img;//水印图片var$mask_pos_x=0;//水印横坐标var$mask_pos_y=0;//水印纵坐标var$mask_offset_x=5;//水印横向偏移var$mask_offset_y=5;//水印纵向偏移var$font_w;//水印字体宽var$font_h;//水印字体高var$mask_w;//水印宽var$mask_h;//水印高var$mask_font_color="#ffffff";//水印笔墨色彩var$mask_font=2;//水印字体var$font_size;//尺寸var$mask_position=0;//水印地位var$mask_img_pct=50;//图片兼并水平,值越年夜，兼并程序越低var$mask_txt_pct=50;//笔墨兼并水平,值越小，兼并程序越低var$img_border_size=0;//图片边框尺寸var$img_border_color;//图片边框色彩var$_flip_x=0;//程度翻转次数var$_flip_y=0;//垂直翻转次数var$cut_type=0;//剪切范例var$img_type;//文件范例//文件范例界说,并指出了输入图片的函数var$all_type=array("jpg"=>array("output"=>"imagejpeg"),"gif"=>array("output"=>"imagegif"),"png"=>array("output"=>"imagepng"),"wbmp"=>array("output"=>"image2wbmp"),"jpeg"=>array("output"=>"imagejpeg"));/***机关函数*/functionThumbHandler(){$this->mask_font_color="#ffffff";$this->font=2;$this->font_size=12;}/***获得图片的宽*/functiongetImgWidth($src){returnimagesx($src);}/***获得图片的高*/functiongetImgHeight($src){returnimagesy($src);}/***设置图片天生路径**@paramstring$src_img图片天生路径*/functionsetSrcImg($src_img,$img_type=null){echo$img_type;if(!file_exists($src_img)){die("图片不存在");}if(!empty($img_type)){$this->img_type=$img_type;}else{$this->img_type=$this->_getImgType($src_img);}$this->_checkValid($this->img_type);//file_get_contents函数请求php版本>4.3.0$src=;if(function_exists("file_get_contents")){$src=file_get_contents($src_img);}else{$handle=fopen($src_img,"r");while(!feof($handle)){$src.=fgets($fd,4096);}fclose($handle);}if(empty($src)){die("图片源为空");}$this->h_src=@ImageCreateFromString($src);$this->src_w=$this->getImgWidth($this->h_src);$this->src_h=$this->getImgHeight($this->h_src);}/***设置图片天生路径**@paramstring$dst_img图片天生路径*/functionsetDstImg($dst_img){$arr=explode(/,$dst_img);$last=array_pop($arr);$path=implode(/,$arr);$this->_mkdirs($path);$this->dst_img=$dst_img;}/***设置图片的显现质量**@paramstring$n质量*/functionsetImgDisplayQuality($n){$this->img_display_quality=(int)$n;}/***设置图片的天生质量**@paramstring$n质量*/functionsetImgCreateQuality($n){$this->img_create_quality=(int)$n;}/***设置笔墨水印**@paramstring$word水印笔墨*@paraminteger$font水印字体*@paramstring$color水印字体色彩*/functionsetMaskWord($word){$this->mask_word.=$word;}/***设置字体色彩**@paramstring$color字体色彩*/functionsetMaskFontColor($color="#ffffff"){$this->mask_font_color=$color;}/***设置水印字体**@paramstringinteger$font字体*/functionsetMaskFont($font=2){if(!is_numeric($font)&&!file_exists($font)){die("字体文件不存在");}$this->font=$font;}/***设置笔墨字体巨细,仅对truetype字体无效*/functionsetMaskFontSize($size="12"){$this->font_size=$size;}/***设置图片水印**@paramstring$img水印图片源*/functionsetMaskImg($img){$this->mask_img=$img;}/***设置水印横向偏移**@paraminteger$x横向偏移量*/functionsetMaskOffsetX($x){$this->mask_offset_x=(int)$x;}/***设置水印纵向偏移**@paraminteger$y纵向偏移量*/functionsetMaskOffsetY($y){$this->mask_offset_y=(int)$y;}/***指定水印地位**@paraminteger$position地位,1:左上,2:左下,3:右上,0/4:右下*/functionsetMaskPosition($position=0){$this->mask_position=(int)$position;}/***设置图片兼并水平**@paraminteger$n兼并水平*/functionsetMaskImgPct($n){$this->mask_img_pct=(int)$n;}/***设置笔墨兼并水平**@paraminteger$n兼并水平*/functionsetMaskTxtPct($n){$this->mask_txt_pct=(int)$n;}/***设置缩略图边框**@param(范例)(参数名)(形貌)*/functionsetDstImgBorder($size=1,$color="#000000"){$this->img_border_size=(int)$size;$this->img_border_color=$color;}/***程度翻转*/functionflipH(){$this->_flip_x++;}/***垂直翻转*/functionflipV(){$this->_flip_y++;}/***设置剪切范例**@param(范例)(参数名)(形貌)*/functionsetCutType($type){$this->cut_type=(int)$type;}/***设置图片剪切**@paraminteger$width矩形剪切*/functionsetRectangleCut($width,$height){$this->fill_w=(int)$width;$this->fill_h=(int)$height;}/***设置源图剪切肇端坐标点**@param(范例)(参数名)(形貌)*/functionsetSrcCutPosition($x,$y){$this->src_x=(int)$x;$this->src_y=(int)$y;}/***创立图片,主函数*@paraminteger$a当短少第二个参数时，此参数将用作百分比，*不然作为宽度值*@paraminteger$b图片缩放后的高度*/functioncreateImg($a,$b=null){$num=func_num_args();if(1==$num){$r=(int)$a;if($r<1){die("图片缩放比例不得小于1");}$this->img_scale=$r;$this->_setNewImgSize($r);}if(2==$num){$w=(int)$a;$h=(int)$b;if(0==$w){die("方针宽度不克不及为0");}if(0==$h){die("方针高度不克不及为0");}$this->_setNewImgSize($w,$h);}if($this->_flip_x%2!=0){$this->_flipH($this->h_src);}if($this->_flip_y%2!=0){$this->_flipV($this->h_src);}$this->_createMask();$this->_output();//开释if(imagedestroy($this->h_src)&&imagedestroy($this->h_dst)){Returntrue;}else{Returnfalse;}}/***天生水印,挪用了天生水印笔墨和水印图片两个办法*/function_createMask(){if($this->mask_word){//猎取字体信息$this->_setFontInfo();if($this->_isFull()){die("水印笔墨过年夜");}else{$this->h_dst=imagecreatetruecolor($this->dst_w,$this->dst_h);$white=ImageColorAllocate($this->h_dst,255,255,255);imagefilledrectangle($this->h_dst,0,0,$this->dst_w,$this->dst_h,$white);//添补背景致$this->_drawBorder();imagecopyresampled($this->h_dst,$this->h_src,$this->start_x,$this->start_y,$this->src_x,$this->src_y,$this->fill_w,$this->fill_h,$this->copy_w,$this->copy_h);$this->_createMaskWord($this->h_dst);}}if($this->mask_img){$this->_loadMaskImg();//加载时，获得宽高if($this->_isFull()){//将水印天生在原始图片上再拷$this->_createMaskImg($this->h_src);$this->h_dst=imagecreatetruecolor($this->dst_w,$this->dst_h);$white=ImageColorAllocate($this->h_dst,255,255,255);imagefilledrectangle($this->h_dst,0,0,$this->dst_w,$this->dst_h,$white);//添补背景致$this->_drawBorder();imagecopyresampled($this->h_dst,$this->h_src,$this->start_x,$this->start_y,$this->src_x,$this->src_y,$this->fill_w,$this->start_y,$this->copy_w,$this->copy_h);}else{//创立新图并拷贝$this->h_dst=imagecreatetruecolor($this->dst_w,$this->dst_h);$white=ImageColorAllocate($this->h_dst,255,255,255);imagefilledrectangle($this->h_dst,0,0,$this->dst_w,$this->dst_h,$white);//添补背景致$this->_drawBorder();imagecopyresampled($this->h_dst,$this->h_src,$this->start_x,$this->start_y,$this->src_x,$this->src_y,$this->fill_w,$this->fill_h,$this->copy_w,$this->copy_h);$this->_createMaskImg($this->h_dst);}}if(empty($this->mask_word)&&empty($this->mask_img)){$this->h_dst=imagecreatetruecolor($this->dst_w,$this->dst_h);$white=ImageColorAllocate($this->h_dst,255,255,255);imagefilledrectangle($this->h_dst,0,0,$this->dst_w,$this->dst_h,$white);//添补背景致$this->_drawBorder();imagecopyresampled($this->h_dst,$this->h_src,$this->start_x,$this->start_y,$this->src_x,$this->src_y,$this->fill_w,$this->fill_h,$this->copy_w,$this->copy_h);}}/***画边框*/function_drawBorder(){if(!empty($this->img_border_size)){$c=$this->_parseColor($this->img_border_color);$color=ImageColorAllocate($this->h_src,$c[0],$c[1],$c[2]);imagefilledrectangle($this->h_dst,0,0,$this->dst_w,$this->dst_h,$color);//添补背景致}}/***天生水印笔墨*/function_createMaskWord($src){$this->_countMaskPos();$this->_checkMaskValid();$c=$this->_parseColor($this->mask_font_color);$color=imagecolorallocatealpha($src,$c[0],$c[1],$c[2],$this->mask_txt_pct);if(is_numeric($this->font)){imagestring($src,$this->font,$this->mask_pos_x,$this->mask_pos_y,$this->mask_word,$color);}else{imagettftext($src,$this->font_size,0,$this->mask_pos_x,$this->mask_pos_y,$color,$this->font,$this->mask_word);}}/***天生水印图*/function_createMaskImg($src){$this->_countMaskPos();$this->_checkMaskValid();imagecopymerge($src,$this->h_mask,$this->mask_pos_x,$this->mask_pos_y,0,0,$this->mask_w,$this->mask_h,$this->mask_img_pct);imagedestroy($this->h_mask);}/***加载水印图*/function_loadMaskImg(){$mask_type=$this->_getImgType($this->mask_img);$this->_checkValid($mask_type);//file_get_contents函数请求php版本>4.3.0$src=;if(function_exists("file_get_contents")){$src=file_get_contents($this->mask_img);}else{$handle=fopen($this->mask_img,"r");while(!feof($handle)){$src.=fgets($fd,4096);}fclose($handle);}if(empty($this->mask_img)){die("水印图片为空");}$this->h_mask=ImageCreateFromString($src);$this->mask_w=$this->getImgWidth($this->h_mask);$this->mask_h=$this->getImgHeight($this->h_mask);}/***图片输入*/function_output(){$img_type=$this->img_type;$func_name=$this->all_type[$img_type][output];if(function_exists($func_name)){//判别扫瞄器,如果IE就不发送头if(isset($_SERVER[HTTP_USER_AGENT])){$ua=strtoupper($_SERVER[HTTP_USER_AGENT]);if(!preg_match(/^.*MSIE.*)$/i,$ua)){header("Content-type:$img_type");}}$func_name($this->h_dst,$this->dst_img,$this->img_display_quality);}else{Returnfalse;}}/***剖析色彩**@paramstring$color十六进制色彩*/function_parseColor($color){$arr=array();for($ii=1;$ii<strlen($color);$ii++){$arr[]=hexdec(substr($color,$ii,2));$ii++;}Return$arr;}/***盘算出地位坐标*/function_countMaskPos(){if($this->_isFull()){switch($this->mask_position){case1://左上$this->mask_pos_x=$this->mask_offset_x+$this->img_border_size;$this->mask_pos_y=$this->mask_offset_y+$this->img_border_size;break;case2://左下$this->mask_pos_x=$this->mask_offset_x+$this->img_border_size;$this->mask_pos_y=$this->src_h-$this->mask_h-$this->mask_offset_y;break;case3://右上$this->mask_pos_x=$this->src_w-$this->mask_w-$this->mask_offset_x;$this->mask_pos_y=$this->mask_offset_y+$this->img_border_size;break;case4://右下$this->mask_pos_x=$this->src_w-$this->mask_w-$this->mask_offset_x;$this->mask_pos_y=$this->src_h-$this->mask_h-$this->mask_offset_y;break;default://默许将水印放到右下,偏移指定像素$this->mask_pos_x=$this->src_w-$this->mask_w-$this->mask_offset_x;$this->mask_pos_y=$this->src_h-$this->mask_h-$this->mask_offset_y;break;}}else{switch($this->mask_position){case1://左上$this->mask_pos_x=$this->mask_offset_x+$this->img_border_size;$this->mask_pos_y=$this->mask_offset_y+$this->img_border_size;break;case2://左下$this->mask_pos_x=$this->mask_offset_x+$this->img_border_size;$this->mask_pos_y=$this->dst_h-$this->mask_h-$this->mask_offset_y-$this->img_border_size;break;case3://右上$this->mask_pos_x=$this->dst_w-$this->mask_w-$this->mask_offset_x-$this->img_border_size;$this->mask_pos_y=$this->mask_offset_y+$this->img_border_size;break;case4://右下$this->mask_pos_x=$this->dst_w-$this->mask_w-$this->mask_offset_x-$this->img_border_size;$this->mask_pos_y=$this->dst_h-$this->mask_h-$this->mask_offset_y-$this->img_border_size;break;default://默许将水印放到右下,偏移指定像素$this->mask_pos_x=$this->dst_w-$this->mask_w-$this->mask_offset_x-$this->img_border_size;$this->mask_pos_y=$this->dst_h-$this->mask_h-$this->mask_offset_y-$this->img_border_size;break;}}}/***设置字体信息*/function_setFontInfo(){if(is_numeric($this->font)){$this->font_w=imagefontwidth($this->font);$this->font_h=imagefontheight($this->font);//盘算水印字体所占宽高$word_length=strlen($this->mask_word);$this->mask_w=$this->font_w*$word_length;$this->mask_h=$this->font_h;}else{$arr=imagettfbbox($this->font_size,0,$this->font,$this->mask_word);$this->mask_w=abs($arr[0]-$arr[2]);$this->mask_h=abs($arr[7]-$arr[1]);}}/***设置新图尺寸**@paraminteger$img_w方针宽度*@paraminteger$img_h方针高度*/function_setNewImgSize($img_w,$img_h=null){$num=func_num_args();if(1==$num){$this->img_scale=$img_w;//宽度作为比例$this->fill_w=round($this->src_w*$this->img_scale/100)-$this->img_border_size*2;$this->fill_h=round($this->src_h*$this->img_scale/100)-$this->img_border_size*2;//源文件肇端坐标$this->src_x=0;$this->src_y=0;$this->copy_w=$this->src_w;$this->copy_h=$this->src_h;//方针尺寸$this->dst_w=$this->fill_w+$this->img_border_size*2;$this->dst_h=$this->fill_h+$this->img_border_size*2;}if(2==$num){$fill_w=(int)$img_w-$this->img_border_size*2;$fill_h=(int)$img_h-$this->img_border_size*2;if($fill_w<0$fill_h<0){die("图片边框过年夜，已凌驾了图片的宽度");}$rate_w=$this->src_w/$fill_w;$rate_h=$this->src_h/$fill_h;switch($this->cut_type){case0://假如原始图片年夜于缩略图，发生减少，不然不减少if($rate_w<1&&$rate_h<1){$this->fill_w=(int)$this->src_w;$this->fill_h=(int)$this->src_h;}else{if($rate_w>=$rate_h){$this->fill_w=(int)$fill_w;$this->fill_h=round($this->src_h/$rate_w);}else{$this->fill_w=round($this->src_w/$rate_h);$this->fill_h=(int)$fill_h;}}$this->src_x=0;$this->src_y=0;$this->copy_w=$this->src_w;$this->copy_h=$this->src_h;//方针尺寸$this->dst_w=$this->fill_w+$this->img_border_size*2;$this->dst_h=$this->fill_h+$this->img_border_size*2;break;//主动裁切case1://假如图片是减少剪切才举行操纵if($rate_w>=1&&$rate_h>=1){if($this->src_w>$this->src_h){$src_x=round($this->src_w-$this->src_h)/2;$this->setSrcCutPosition($src_x,0);$this->setRectangleCut($fill_h,$fill_h);$this->copy_w=$this->src_h;$this->copy_h=$this->src_h;}elseif($this->src_w<$this->src_h){$src_y=round($this->src_h-$this->src_w)/2;$this->setSrcCutPosition(0,$src_y);$this->setRectangleCut($fill_w,$fill_h);$this->copy_w=$this->src_w;$this->copy_h=$this->src_w;}else{$this->setSrcCutPosition(0,0);$this->copy_w=$this->src_w;$this->copy_h=$this->src_w;$this->setRectangleCut($fill_w,$fill_h);}}else{$this->setSrcCutPosition(0,0);$this->setRectangleCut($this->src_w,$this->src_h);$this->copy_w=$this->src_w;$this->copy_h=$this->src_h;}//方针尺寸$this->dst_w=$this->fill_w+$this->img_border_size*2;$this->dst_h=$this->fill_h+$this->img_border_size*2;break;//手工裁切case2:$this->copy_w=$this->fill_w;$this->copy_h=$this->fill_h;//方针尺寸$this->dst_w=$this->fill_w+$this->img_border_size*2;$this->dst_h=$this->fill_h+$this->img_border_size*2;break;default:break;}}//方针文件肇端坐标$this->start_x=$this->img_border_size;$this->start_y=$this->img_border_size;}/***反省水印图是不是年夜于天生后的图片宽高*/function_isFull(){Return($this->mask_w+$this->mask_offset_x>$this->fill_w$this->mask_h+$this->mask_offset_y>$this->fill_h)?true:false;}/***反省水印图是不是凌驾原始图片*/function_checkMaskValid(){if($this->mask_w+$this->mask_offset_x>$this->src_w$this->mask_h+$this->mask_offset_y>$this->src_h){die("水印图片尺寸年夜于原始图片，请减少水印图");}}/***获得图片范例**@paramstring$file_path文件路径*/function_getImgType($file_path){$type_list=array("1"=>"gif","2"=>"jpg","3"=>"png","4"=>"swf","5"=>"psd","6"=>"bmp","15"=>"wbmp");if(file_exists($file_path)){$img_info=@getimagesize($file_path);if(isset($type_list[$img_info[2]])){Return$type_list[$img_info[2]];}}else{die("文件不存在,不克不及获得文件范例!");}}/***反省图片范例是不是正当,挪用了array_key_exists函数，此函数请求*php版本年夜于4.1.0**@paramstring$img_type文件范例*/function_checkValid($img_type){if(!array_key_exists($img_type,$this->all_type)){Returnfalse;}}/***按指定路径天生目次**@paramstring$path路径*/function_mkdirs($path){$adir=explode(/,$path);$dirlist=;$rootdir=array_shift($adir);if(($rootdir!=.$rootdir!=..)&&!file_exists($rootdir)){@mkdir($rootdir);}foreach($adiras$key=>$val){if($val!=.&&$val!=..){$dirlist.="/".$val;$dirpath=$rootdir.$dirlist;if(!file_exists($dirpath)){@mkdir($dirpath);@chmod($dirpath,0777);}}}}/***垂直翻转**@paramstring$src图片源*/function_flipV($src){$src_x=$this->getImgWidth($src);$src_y=$this->getImgHeight($src);$new_im=imagecreatetruecolor($src_x,$src_y);for($y=0;$y<$src_y;$y++){imagecopy($new_im,$src,0,$src_y-$y-1,0,$y,$src_x,1);}$this->h_src=$new_im;}/***程度翻转**@paramstring$src图片源*/function_flipH($src){$src_x=$this->getImgWidth($src);$src_y=$this->getImgHeight($src);$new_im=imagecreatetruecolor($src_x,$src_y);for($x=0;$x<$src_x;$x++){imagecopy($new_im,$src,$src_x-$x-1,0,$x,0,1,$src_y);}$this->h_src=$new_im;}}?>

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