著作權聲明：原創作品，允許轉載，轉載時請務必以超連結形式標明文章原始出版、作者資訊和本聲明。否則將追究法律責任。http://blog.csdn.net/mayongzhan - 馬永占,myz,mayongzhan
縮圖:這個函數就夠了....新圖,舊圖,新xy,舊xy,新的長寬,舊的長寬...imagecopyresampled($image_p, $image, 0, 0, 0, 0, $new_width, $new_height, $width, $height); 浮水印就是兩個圖的重疊.OK.無論是字還是圖,都是image相關函數內可以搞定的模仿別人簡單的寫了個...可以試一下.沒有透明.也沒有文字,只是兩個圖重疊一下... <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><meta name="author" content="馬永占(MyZ)" /><meta name="Copyright" content="馬永占(MyZ)" /><title></title></head><body><form action="?" method="post" enctype="multipart/form-data" name="form1" id="form1"><input name="upfile" type="file" id="upfile" size="40" /><br /><input type="submit" name="submit" value="提交" /></form><?phpif(isset($_POST['submit'])){ print_r($_POST); $uptypes=array('image/gif','image/png','image/jpg','image/jpeg','image/pjpeg');//上傳圖片檔案類型列表 $file=$_FILES['upfile'];//取得檔案路徑 $waterimg="MyZ.jpg";//浮水印圖片路徑 if(in_array($file['type'], $uptypes))//檢查檔案類型 { if(strstr($file['type'],"jp")) { $im = imageCreatefromjpeg($file['tmp_name']); $file_w=imagesx($im);//取得圖片的寬 $file_h=imagesy($im);//取得圖片的高 } elseif (strstr($file['type'],"png")) { $im = imageCreatefrompng($file['tmp_name']); $file_w=imagesx($im);//取得圖片的寬 $file_h=imagesy($im);//取得圖片的高 } else { $im = imageCreatefromgif($file['tmp_name']); $file_w=imagesx($im);//取得圖片的寬 $file_h=imagesy($im);//取得圖片的高 } //設定混合模式 imagealphablending($im, true); //讀取浮水印檔案 $im2 = imagecreatefromjpeg($waterimg);//若浮水印圖片為jpg，則此去可改為$im2 = imagecreatefromjpeg($waterimg) $water_w=imagesx($im2);//取得浮水印圖片的寬 $water_h=imagesy($im2);//取得浮水印圖片的高 //放浮水印到圖片中 $wimgx=5;$wimgy=5; //拷貝浮水印到目標檔案 imagecopy($im, $im2, $wimgx, $wimgy, 0, 0, $water_w,$water_h); //輸出圖片 if(strstr($file['type'],"jp")){ imagejpeg($im,$file['tmp_name']); } elseif(strstr($file['type'],"png")){ imagepng($im,$file['tmp_name']); } else{ imagegif($im,$file['tmp_name']); } imagedestroy($im); imagedestroy($im2); copy($file['tmp_name'],$file['name']); }}?></body></html>v
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