PHP image plus watermark and upload image plus watermark class

Upload file Type list $uptypes =array ( ' Image/jpg ', ' Image/jpeg ', ' Image/png ', ' Image/pjpeg ', ' Image/gif ', ' Image/bmp ', ' Image/x-png ' ); $max _file_size=2000000; Upload file size limit, unit byte $destination _folder= "uploadimg/"; Upload file path $watermark = 1; Whether additional watermark (1 is watermark, the other is not watermark); $watertype = 1; Watermark Type (1 for text, 2 for picture) $waterposition = 1; Watermark position (1 is lower left corner, 2 is lower right corner , 3 is the upper left corner, 4 is the upper right corner, 5 is centered); $waterstring = " http://www.xplore.cn/"; Watermark String $waterimg = "Xplore.gif"; Watermark Picture $imgpreview = 1; Whether to generate a preview map (1 is generated, others are not generated); $imgpreviewsize =1/2; Thumbnail scale ?> Zwell Picture Uploading Program if ($_server[' request_method '] = = ' POST ') { if (!is_uploaded_file ($_files["Upfile") [Tmp_name])) Whether the file exists { echo "Picture does not exist!"; Exit } $file = $_files["Upfile"]; if ($max _file_size < $file ["size"]) Check File size { echo "File too big!"; Exit } if (!in_array ($file ["type"], $uptypes)) Check file types { echo "file type does not match!". $file ["type"]; Exit } if (!file_exists ($destination _folder)) { mkdir ($destination _folder); } $filename = $file ["Tmp_name"]; $image _size = getimagesize ($filename); $pinfo =pathinfo ($file ["name"]); $ftype = $pinfo [' extension ']; $destination = $destination _folder. Time (). ".". $ftype; if (file_exists ($destination) && $overwrite! = True) { echo "file with the same name already exists"; Exit } if (!move_uploaded_file ($filename, $destination)) { echo "Error moving File"; Exit } $pinfo =pathinfo ($destination); $fname = $pinfo [basename]; echo "has been successfully uploaded Filename: ". $destination _folder. $fname. " "; echo "width:". $image _size[0]; echo "Length:". $image _size[1]; echo " Size: ". $file [" Size "]." bytes "; if ($watermark ==1) { $iinfo =getimagesize ($destination, $iinfo); $nimage =imagecreatetruecolor ($image _size[0] , $image _size[1]); $white =imagecolorallocate ($nimage, 255,255,255); $black =imagecolorallocate ($nimage, 0,0,0); $red =imagecolorallocate ($nimage, 255,0,0); Imagefill ($nimage, 0,0, $white); Switch ($iinfo [2]) { Case 1: $simage =imagecreatefromgif ($destination); Break Case 2: $simage =imagecreatefromjpeg ($destination); Break Case 3: $simage =imagecreatefrompng ($destination); Break Case 6: $simage =imagecreatefromwbmp ($destination); Break Default Die ("Unsupported file type"); Exit } Imagecopy ($nimage, $simage, 0,0,0,0, $image _size[0], $image _size[1]); Imagefilledrectangle ($nimage, 1, $image _size[1]-15,80, $image _size[1], $white); Switch ($watertype) { Case 1://Add watermark String Imagestring ($nimage, 2,3, $image _size[1]-15, $waterstring, $black); Break Case 2://Add watermark Picture $simage 1 =imagecreatefromgif ("Xplore.gif"); Imagecopy ($nimage, $simage 1,0,0,0,0,85,15); Imagedestroy ($simage 1); Break } Switch ($iinfo [2]) { Case 1: Imagegif ($nimage, $destination); Imagejpeg ($nimage, $destination); Break Case 2: Imagejpeg ($nimage, $destination); Break Case 3: Imagepng ($nimage, $destination); Break Case 6: Imagewbmp ($nimage, $destination); Imagejpeg ($nimage, $destination); Break } Overwrite the original upload file Imagedestroy ($nimage); Imagedestroy ($simage); } if ($imgpreview ==1) { echo " Picture preview: "; echo " Height= ". ($image _size[1]* $imgpreviewsize); " echo "alt=\" Picture preview: \ r file name: ". $destination. " \ r upload time: \ "/>"; } } ?> Copy Code

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