代码如下 | 复制代码 |
class upimages { var $annexfolder = "upload";//附件存放点,默认为:annex var $smallfolder = "small";//缩略图存放路径,注:必须是放在 $annexfolder下的子目录,默认为:smallimg var $markfolder = "mark";//水印图片存放处 var $upfiletype = "jpg gif png";//上传的类型,默认为:jpg gif png rar zip var $upfilemax = 1024;//上传大小限制,单位是"kb",默认为:1024kb var $fonttype;//字体 var $maxwidth = 500; //图片最大宽度 var $maxheight = 600; //图片最大高度 function upimages($annexfolder,$smallfolder,$includefolder) { $this->annexfolder = $annexfolder; $this->smallfolder = $smallfolder; $this->fonttype = $includefolder."/04b_08__.ttf"; } function upload($inputname) { $imagename = time();//设定当前时间为图片名称 if(@empty($_files[$inputname]["name"])) die("没有上传图片信息,请确认"); $name = explode(".",$_files[$inputname]["name"]);//将上传前的文件以"."分开取得文件类型 $imgcount = count($name);//获得截取的数量 $imgtype = $name[$imgcount-1];//取得文件的类型 if(strpos($this->upfiletype,$imgtype) === false) die(error("上传文件类型仅支持 ".$this->upfiletype." 不支持 ".$imgtype)); $photo = $imagename.".".$imgtype;//写入数据库教程的文件名 $uploadfile = $this->annexfolder."/".$photo;//上传后的文件名称 $upfileok = move_uploaded_file($_files[$inputname]["tmp_name"],$uploadfile); if($upfileok) { $imgsize = $_files[$inputname]["size"]; $ksize = round($imgsize/1024); if($ksize > ($this->upfilemax*1024)) { @unlink($uploadfile); die(error("上传文件超过 ".$this->upfilemax."kb")); } } else { die(error("上传图片失败,请确认你的上传文件不超过 $upfilemax kb 或上传时间超时")); } return $photo; } function getinfo($photo) { $photo = $this->annexfolder."/".$photo; $imageinfo = getimagesize($photo); $imginfo["width"] = $imageinfo[0]; $imginfo["height"] = $imageinfo[1]; $imginfo["type"] = $imageinfo[2]; $imginfo["name"] = basename($photo); return $imginfo; } function smallimg($photo,$width=128,$height=128) { $imginfo = $this->getinfo($photo); $photo = $this->annexfolder."/".$photo;//获得图片源 $newname = substr($imginfo["name"],0,strrpos($imginfo["name"], "."))."_thumb.jpg";//新图片名称 if($imginfo["type"] == 1) { $img = imagecreatefromgif($photo); } elseif($imginfo["type"] == 2) { $img = imagecreatefromjpeg($photo); } elseif($imginfo["type"] == 3) { $img = imagecreatefrompng($photo); } else { $img = ""; } if(empty($img)) return false; $width = ($width > $imginfo["width"]) ? $imginfo["width"] : $width; $height = ($height > $imginfo["height"]) ? $imginfo["height"] : $height; $srcw = $imginfo["width"]; $srch = $imginfo["height"]; if ($srcw * $width > $srch * $height) { $height = round($srch * $width / $srcw); } else { $width = round($srcw * $height / $srch); } if (function_exists("imagecreatetruecolor")) { $newimg = imagecreatetruecolor($width, $height); imagecopyresampled($newimg, $img, 0, 0, 0, 0, $width, $height, $imginfo["width"], $imginfo["height"]); } else { $newimg = imagecreate($width, $height); imagecopyresized($newimg, $img, 0, 0, 0, 0, $width, $height, $imginfo["width"], $imginfo["height"]); } if ($this->tofile) { if (file_exists($this->annexfolder."/".$this->smallfolder."/".$newname)) @unlink($this->annexfolder."/".$this->smallfolder."/".$newname); imagejpeg($newimg,$this->annexfolder."/".$this->smallfolder."/".$newname); return $this->annexfolder."/".$this->smallfolder."/".$newname; } else { imagejpeg($newimg); } imagedestroy($newimg); imagedestroy($img); return $newname; } function watermark($photo,$text) { $imginfo = $this->getinfo($photo); $photo = $this->annexfolder."/".$photo; $newname = substr($imginfo["name"], 0, strrpos($imginfo["name"], ".")) . "_mark.jpg"; switch ($imginfo["type"]) { case 1: $img = imagecreatefromgif($photo); break; case 2: $img = imagecreatefromjpeg($photo); break; case 3: $img = imagecreatefrompng($photo); break; default: return false; } if (empty($img)) return false; $width = ($this->maxwidth > $imginfo["width"]) ? $imginfo["width"] : $this->maxwidth; $height = ($this->maxheight > $imginfo["height"]) ? $imginfo["height"] : $this->maxheight; $srcw = $imginfo["width"]; $srch = $imginfo["height"]; if ($srcw * $width > $srch * $height) { $height = round($srch * $width / $srcw); } else { $width = round($srcw * $height / $srch); } if (function_exists("imagecreatetruecolor")) { $newimg = imagecreatetruecolor($width, $height); imagecopyresampled($newimg, $img, 0, 0, 0, 0, $width, $height, $imginfo["width"], $imginfo["height"]); } else { $newimg = imagecreate($width, $height); imagecopyresized($newimg, $img, 0, 0, 0, 0, $width, $height, $imginfo["width"], $imginfo["height"]); } $white = imagecolorallocate($newimg, 255, 255, 255); $black = imagecolorallocate($newimg, 0, 0, 0); $alpha = imagecolorallocatealpha($newimg, 230, 230, 230, 40); imagefilledrectangle($newimg, 0, $height-26, $width, $height, $alpha); imagefilledrectangle($newimg, 13, $height-20, 15, $height-7, $black); imagettftext($newimg, 4.9, 0, 20, $height-14, $black, $this->fonttype, $text[0]); imagettftext($newimg, 4.9, 0, 20, $height-6, $black, $this->fonttype, $text[1]); if($this->tofile) { if (file_exists($this->annexfolder."/".$this->markfolder."/".$newname)) @unlink($this->annexfolder."/".$this->markfolder."/".$newname); imagejpeg($newimg,$this->annexfolder."/".$this->markfolder."/".$newname); return $this->annexfolder."/".$this->markfolder."/".$newname; } else { imagejpeg($newimg); } imagedestroy($newimg); imagedestroy($img); return $newname; } } |
*/
代码如下 | 复制代码 |
class cd_barra ?> |
//调用 方法
代码如下 | 复制代码 |
<?php |
代码如下 | 复制代码 |
function createimage($data,$twidth,$tspace,$height){ $dataname = array(); $datavalue = array(); $i = 0; $j = 0; $k = 0; $num = sizeof($data); foreach($data as $key => $val){ $dataname[] = $key; $datavalue[] = $val; } $maxnum = max($data); $width = ($twidth + $tspace) * $num + 4;//image's width $im = imagecreate($width + 40,$height+20); $linecolor = imagecolorallocate($im,12,12,12); $bgcolor = imagecolorallocate($im,235,233,233); $tcolor = imagecolorallocate($im,123,200,56); imagefill($im,0,0,$bgcolor); imageline ( $im, 30, 0, 30, $height - 2, $linecolor); imageline ( $im, 30, $height - 2, $width + 30 -2 , $height - 2,$linecolor); while($i < $num){ imagefilledrectangle ( $im, $i * ($tspace+$twidth) + 40, $height - $datavalue[$i], $i * ($tspace+$twidth) + 40 + $twidth, $height - 3, $tcolor); imagestringup ( $im, 4, $i * ($tspace+$twidth) + $twidth/2 + 30, $height - 10, $dataname[$i]."(".$datavalue[$i].")", $linecolor); $i++; } while($j <= (500/10)){ imagestringup ( $im, 4, 2, $height - $j * 10 + 10, $j * 10, $linecolor); $j = $j + 10; } while($k <= (500/10)){ if($k != 0) imageline ( $im, 28, $height - $k * 10, 32 , $height - $k * 10,$linecolor); $k = $k + 10; } imagepng($im); } |
//调用方法:
代码如下 | 复制代码 |
header("content-type:image/png"); $data = array("yahoo" => 120, "google" => 260,"microsoft" => 320,"ibm" => 290,"sun system" => 150,"inter" => 260); createimage($data,38,25,460); |
$image->wprint_img();//执行图片水印
$image->wprint_string();//执行文字水印
*/
代码如下 | 复制代码 |
class editimage{ function get_extname($file){//获取文件的后缀名 |
这是一款比较完整理的在用户上传图片时就自动给图片增加上水印,这款增加水印功能可以增加文字水印与图片水印哦。
代码如下 | 复制代码 |
/* class image_control function __construct($img_path,$is_auto_reduce,$is_appoint,$multiple,$is_water_str,$water_str,$is_watermark,$logo_path,$is_display,$is_create) function img_control() switch($img_info[2]) case 2: case 3: //文字水印 //图片水印 switch($logo_info[2]) case 2: case 3: //水印logo图片 //自动图片压缩 按图片大小分级自动压缩 //手动图片压缩 //图像输出 //新图像生成 for($i=0;$i<count($new_name)-1;$i++) $new_img_path=$new_name_string."new".$new_name[$i]; if(imagejpeg($new_image_get,$new_img_path) && imagejpeg($img_get,$this->img_path)) function __desctruct() |
//调用方法
代码如下 | 复制代码 |
/* $img_path="../users/user_photo/t2.jpg"; //被操作的图片路径 |