1. Picture processing class. imagecls.php
<?php/** Image Processing class */class Imagecls {/** * file information */var $file = array ();
/** * Save Directory/var $dir = ';
/** * ERROR code * * var $error _code = 0;
/** * File Upload max kb/var $max _size =-1; function Es_imagecls () {} private Function Checksize ($size) {return! $size > $this->max_size) | |
( -1 = = $this->max_size); /** * Processing uploaded files * @param array $file uploaded files * @param string $dir saved directory * @return bool/function init ($fil E, $dir = ' temp ') {if (!is_array ($file) | | empty ($file) | |! $this->isuploadfile ($file [' tmp_name ']) | | trim ($file [ ' name '] = = ' ' | |
$file [' size '] = = 0) {$this->file = array ();
$this->error_code =-1;
return false; else {$file [' size '] = intval ($file [' size ']) $file [' name '] = Trim ($file [' name ']); $file [' thumb '] = '; $file [' ext ']
= $this->fileext ($file [' name ']);
$file [' name '] = Htmlspecialchars ($file [' name '], ent_quotes); $file [' is_image '] = $this->isimageext ($file [' ext ']]);
$file [' file_dir '] = $this->gettargetdir ($dir);
$file [' prefix '] = MD5 (Microtime (TRUE)). Rand (10,99); $file [' target '] = './public/'. $file [' File_dir ']. ' /'. $file [' prefix ']. JPG '; Relative $file [' local_target '] = App_root_path. public/". $file [' File_dir ']. ' /'. $file [' prefix '].
JPG '//physical $this->file = & $file;
$this->error_code = 0;
return true; }/** * Save file * @return bool/function Save () {if (Empty ($this->file) | | empty ($this->file[' Tmp_nam
E ']) $this->error_code =-101;
ElseIf (! $this->checksize ($this->file[' size ')) $this->error_code =-105;
ElseIf (! $this->file[' is_image ') $this->error_code =-102; ElseIf (! $this->savefile ($this->file[' tmp_name '], $this->file[' Local_target ')) $this->error_code =-
103; ElseIf ($this->file[' is_image '] && (! $this->file[' image_info ' = $this->getimageinfo ($this-> file[' Local_target '], true) {$this->error_code =-104;
@unlink ($this->file[' local_target '));
else {$this->error_code = 0;
return true;
return false;
/** * Get error code * @return Number/Function error () {return $this->error_code; /** * Gets the file name extension * @return string/function Fileext ($file _name) {return addslashes strtolower (substr
($file _name, '. '), 1, 10)); /** * Based on the extension to determine whether the file is an image * @param string $ext extension * @return bool/function Isimageext ($ext) {static $img _ex
t = array (' jpg ', ' jpeg ', ' PNG ', ' BMP ', ' gif ', ' giff '); Return In_array ($ext, $img _ext)?
1:0; /** * Get image information * @param string $target file path * @return Mixed/function Getimageinfo ($target) {$ext = Es_im
Agecls::fileext ($target);
$is _image = Es_imagecls::isimageext ($ext);
if (! $is _image) return false;
ElseIf (!is_readable ($target)) return false; ElseIf ($image _info = @getimagesize ($target)) {list ($width, $height, $type) =!empty ($image _info)? $image _info:
Array (', ', ', ');
$size = $width * $height;
if ($is _image &&!in_array ($type, Array (1,2,3,6,13)) return false;
$image _info[' type '] = Strtolower (substr (image_type_to_extension ($image _info[2)), 1);
return $image _info;
else return false; /** * Obtain whether the upload file is allowed * @param string $source file path * @return bool/function Isuploadfile ($source) {return $s Ource && ($source!= ' none ') && is_uploaded_file ($source) | | is_uploaded_file (Str_replace ("",
", $source)));
/** * Gets the saved path * @param string $dir The specified save directory * @return string/function Gettargetdir ($dir) { if (!is_dir (App_root_path.) public/". $dir)) {@mkdir (app_root_path.)
public/". $dir); @chmod (App_root_path.)
public/". $dir, 0777);
return $dir; /** * Save File * @param string $source source file path * @param string $target directory file path * @return bool/private function SaveFile ($source, $target) {if (!es_imagecls::isuploadfile ($source)) $succeed = false;
ElseIf (@copy ($source, $target)) $succeed = true; ElseIf (function_exists (' move_uploaded_file ') && @move_uploaded_file ($source, $target)) $s
Ucceed = true; ElseIf (@is_readable ($source) && (@ $fp _s = fopen ($source, ' RB ')) && (@ $fp _t = fopen ($t
Arget, ' WB ')) {while (!feof ($fp _s)) {$s = @fread ($fp _s, 1024 * 512);
@fwrite ($fp _t, $s);
} fclose ($fp _s);
Fclose ($fp _t);
$succeed = true;
} if ($succeed) {$this->error_code = 0;
@chmod ($target, 0644);
@unlink ($source);
else {$this->error_code = 0;
return $succeed; The Public function thumb ($image, $maxWidth =200, $maxHeight =50, $gen = 0, $interlace =true, $filepath = ', $is _previe
W = true) {$info = Es_imagecls::getimageinfo ($image); if ($info!== false) {$SRcwidth = $info [0];
$srcHeight = $info [1];
$type = $info [' type ']; $interlace = $interlace?
1:0;
Unset ($info);
if ($maxWidth > 0 && $maxHeight > 0) $scale = min ($maxWidth/$srcWidth, $maxHeight/$srcHeight);
Compute the scaling ratio elseif ($maxWidth = 0) $scale = $maxHeight/$srcHeight;
ElseIf ($maxHeight = = 0) $scale = $maxWidth/$srcWidth;
$paths = PathInfo ($image); $paths [' filename '] = Trim (Strtolower ($paths [' basename ']), ".".
Strtolower ($paths [' extension ']));
$basefilename = Explode ("_", $paths [' filename ']);
$basefilename = $basefilename [0]; if (empty ($filepath)) {if ($is _preview) $thumbname = $paths [' dirname ']. '
/'. $basefilename. ' _ '. $maxWidth. ' x '. $maxHeight '.
JPG '; else $thumbname = $paths [' dirname ']. '
/'. $basefilename. ' O_ '. $maxWidth. ' x '. $maxHeight.
JPG '; else $thumbname = $filepath;
$thumburl = Str_replace (App_root_path, './', $thumbname);
if ($scale >= 1) {//More than the original size is no longer abbreviated $width = $srcWidth;
$height = $srcHeight; if (! $is _preview) {//non-preview mode writes to the original File_put_contents ($thumbname, File_ Get_contents ($image));
Write the return array (' URL ' => $thumburl, ' path ' => $thumbname) with the original artwork;
} else {//thumbnail size $width = (int) ($srcWidth * $scale);
$height = (int) ($srcHeight * $scale);
} if ($gen = = 1) {$width = $maxWidth;
$height = $maxHeight; //Load Original $createFun = ' Imagecreatefrom '. ($type = = ' jpg '?
JPEG ': $type);
if (!function_exists ($createFun)) $createFun = ' imagecreatefromjpeg ';
$SRCIMG = $createFun ($image);
Create thumbnails if ($type!= ' gif ' && function_exists (' Imagecreatetruecolor ')) $thum
bimg = Imagecreatetruecolor ($width, $height);
else $thumbImg = Imagecreate ($width, $height);
$x = 0;
$y = 0;
if ($gen = = 1 && $maxWidth > 0 && $maxHeight > 0) {$resize _ratio = $maxWidth/$maxHeight;
$SRC _ratio = $srcWidth/$srcHeight;
if ($src _ratio >= $resize _ratio) {$x = ($srcWidth-($resize _ratio * $srcHeight))/2;
$width = ($height * $srcWidth)/$srcHeight;
else {$y = ($srcHeight-((1/$resize _ratio) * $srcWidth))/2;
$height = ($width * $srcHeight)/$srcWidth; }///Copy Picture if (Function_exists ("imagecopyresampled")) imagecopyresampled ($thum
Bimg, $srcImg, 0, 0, $x, $y, $width, $height, $srcWidth, $srcHeight); else imagecopyresized ($thumbImg, $srcImg, 0, 0, $X, $y, $width, $height, $srcWidth, $srcHeight); if (' gif ' = = $type | | ' png ' = = $type) {$background _color = imagecolorallocate ($thumbImg, 0,255,0);
Assign a green imagecolortransparent ($THUMBIMG, $background _color); Set to Transparent color, if you comment out the line then output green figure}//Set interlaced scan for JPEG if (' jpg ' = $type | |
' jpeg ' = = $type) imageinterlace ($THUMBIMG, $interlace);
Generate Picture imagejpeg ($THUMBIMG, $thumbname, 100);
Imagedestroy ($THUMBIMG);
Imagedestroy ($SRCIMG);
Return array (' URL ' => $thumburl, ' path ' => $thumbname);
return false;
Public Function Make_thumb ($SRCIMG, $srcWidth, $srcHeight, $type, $maxWidth =200, $maxHeight =50, $gen = 0) { $interlace = $interlace?
1:0;
if ($maxWidth > 0 && $maxHeight > 0) $scale = min ($maxWidth/$srcWidth, $maxHeight/$srcHeight); Compute the scaling ratio elseif ($maxWidth = 0) $scale = $maxHeight/$srcHeight;
ElseIf ($maxHeight = = 0) $scale = $maxWidth/$srcWidth;
if ($scale >= 1) {//More than the original size is no longer abbreviated $width = $srcWidth;
$height = $srcHeight;
else {//thumbnail size $width = (int) ($srcWidth * $scale);
$height = (int) ($srcHeight * $scale);
} if ($gen = = 1) {$width = $maxWidth;
$height = $maxHeight; //Create thumbnails if ($type!= ' gif ' && function_exists (' Imagecreatetruecolor ')) $t
humbimg = Imagecreatetruecolor ($width, $height);
else $thumbImg = Imagecreatetruecolor ($width, $height);
$x = 0;
$y = 0;
if ($gen = = 1 && $maxWidth > 0 && $maxHeight > 0) {$resize _ratio = $maxWidth/$maxHeight;
$SRC _ratio = $srcWidth/$srcHeight; if ($src _ratio >= $resize _rAtio) {$x = ($srcWidth-($resize _ratio * $srcHeight))/2;
$width = ($height * $srcWidth)/$srcHeight;
else {$y = ($srcHeight-((1/$resize _ratio) * $srcWidth))/2;
$height = ($width * $srcHeight)/$srcWidth; }///Copy Picture if (Function_exists ("imagecopyresampled")) imagecopyresampled ($thum
Bimg, $srcImg, 0, 0, $x, $y, $width, $height, $srcWidth, $srcHeight); else imagecopyresized ($thumbImg, $srcImg, 0, 0, $x, $y, $width, $height, $srcWidth, $SRC
Height); if (' gif ' = = $type | |
' png ' = = $type) {$background _color = imagecolorallocate ($thumbImg, 255,255,255);
Assign a green imagecolortransparent ($THUMBIMG, $background _color); Set to Transparent color, if you comment out the line then output green figure}//Set interlaced scan for JPEG if (' jpg ' = $type | |
' jpeg ' = = $type) imageinterlace ($THUMBIMG, $interlace); return $THUMBIMG; The Public function water ($source, $water, $alpha =80, $position = "0") {//check that the file exists if!file_exists ($so Urce) | |!
File_exists ($water)) return false;
Picture information $sInfo = Es_imagecls::getimageinfo ($source);
$wInfo = Es_imagecls::getimageinfo ($water);
If the picture is less than the watermark picture, do not generate the picture if ($sInfo ["0"] < $wInfo ["0"] | | | $sInfo [' 1 '] < $wInfo [' 1 ']) return false; if (Is_animated_gif ($source)) {require_once App_root_path. "
System/utils/gif_encoder.php "; Require_once App_root_path. "
System/utils/gif_reader.php ";
$gif = new Gifreader ();
$gif->load ($source);
foreach ($gif->imgs[' frames '] as $k => $img) {$im = imagecreatefromstring ($gif->getgif ($k));
add watermark to im $sImage = $im;
$wCreateFun = "Imagecreatefrom". $wInfo [' type '];
if (!function_exists ($wCreateFun)) $wCreateFun = ' imagecreatefromjpeg '; $wImage = $wCreateFun ($water);
Sets the blending mode imagealphablending ($wImage, true) of the image;
Switch (intval ($position)) {case 0:break;
Upper left Case 1: $posY = 0;
$posX = 0;
Generate mixed Image Imagecopymerge ($sImage, $wImage, $posX, $posY, 0, 0, $wInfo [0], $wInfo [1], $alpha);
Break
Upper right Case 2: $posY = 0;
$posX = $sInfo [0]-$wInfo [0];
Generate mixed Image Imagecopymerge ($sImage, $wImage, $posX, $posY, 0, 0, $wInfo [0], $wInfo [1], $alpha);
Break
Left case 3: $posY = $sInfo [1]-$wInfo [1];
$posX = 0;
Generate mixed Image Imagecopymerge ($sImage, $wImage, $posX, $posY, 0, 0, $wInfo [0], $wInfo [1], $alpha);
Break
Right Case 4: $posY = $sInfo [1]-$wInfo [1];
$posX = $sInfo [0]-$wInfo [0]; Generate mixed Image Imagecopymerge ($sImage, $wImage, $posX, $pOsy, 0, 0, $wInfo [0], $wInfo [1], $alpha);
Break
Center Case 5: $posY = $sInfo [1]/2-$wInfo [1]/2;
$posX = $sInfo [0]/2-$wInfo [0]/2;
Generate mixed Image Imagecopymerge ($sImage, $wImage, $posX, $posY, 0, 0, $wInfo [0], $wInfo [1], $alpha);
Break
//end im plus watermark ob_start ();
Imagegif ($sImage);
$content = Ob_get_contents ();
Ob_end_clean ();
$frames [] = $content;
$framed [] = $img [' Framedelay ']; $gif _maker = new Gifencoder ($frames, $framed, 0, 2, 0, 0,
0, "bin"//bin is the binary URL for the address);
$image _rs = $gif _maker->getanimation ();
If no save file name is given, the default is the original image name @unlink ($source);
Save Image File_put_contents ($source, $image _rs);
return true;
//Create Image $sCreateFun = "Imagecreatefrom". $sInfo [' type '];
if (!function_exists ($sCreateFun))$sCreateFun = ' imagecreatefromjpeg ';
$sImage = $sCreateFun ($source);
$wCreateFun = "Imagecreatefrom". $wInfo [' type '];
if (!function_exists ($wCreateFun)) $wCreateFun = ' imagecreatefromjpeg ';
$wImage = $wCreateFun ($water);
Sets the blending mode imagealphablending ($wImage, true) of the image;
Switch (intval ($position)) {case 0:break;
Upper left Case 1: $posY = 0;
$posX = 0;
Generate mixed Image Imagecopymerge ($sImage, $wImage, $posX, $posY, 0, 0, $wInfo [0], $wInfo [1], $alpha);
Break
Upper right Case 2: $posY = 0;
$posX = $sInfo [0]-$wInfo [0];
Generate mixed Image Imagecopymerge ($sImage, $wImage, $posX, $posY, 0, 0, $wInfo [0], $wInfo [1], $alpha);
Break
Left case 3: $posY = $sInfo [1]-$wInfo [1];
$posX = 0;
Generate mixed Image Imagecopymerge ($sImage, $wImage, $posX, $posY, 0, 0, $wInfo [0], $wInfo [1], $alpha);
Break Right Case 4: $posY = $sInfo [1]-$wInfo [1];
$posX = $sInfo [0]-$wInfo [0];
Generate mixed Image Imagecopymerge ($sImage, $wImage, $posX, $posY, 0, 0, $wInfo [0], $wInfo [1], $alpha);
Break
Center Case 5: $posY = $sInfo [1]/2-$wInfo [1]/2;
$posX = $sInfo [0]/2-$wInfo [0]/2;
Generate mixed Image Imagecopymerge ($sImage, $wImage, $posX, $posY, 0, 0, $wInfo [0], $wInfo [1], $alpha);
Break
//If no save file name is given, default is the original image name @unlink ($source);
Save Image imagejpeg ($sImage, $source, 100);
Imagedestroy ($sImage); } if (!function_exists (' image_type_to_extension ')) {function image_type_to_extension ($imagetype) {if Empty ($imaget
ype)) return false;
Switch ($imagetype) {case Imagetype_gif:return '. GIF ';
Case Imagetype_jpeg:return '. JPEG ';
Case Imagetype_png:return '. PNG ';
Case Imagetype_swf:return '. SWF ';
Case Imagetype_psd:return '. PSD '; Case Imagetype_bmp:return '. bmp ';
Case Imagetype_tiff_ii:return '. TIFF ';
Case Imagetype_tiff_mm:return '. TIFF ';
Case Imagetype_jpc:return '. JPC ';
Case Imagetype_jp2:return '. JP2 ';
Case Imagetype_jpx:return '. JPF ';
Case Imagetype_jb2:return '. Jb2 ';
Case Imagetype_swc:return '. SWC ';
Case Imagetype_iff:return '. Aiff ';
Case Imagetype_wbmp:return '. WBMP ';
Case Imagetype_xbm:return '. XBM ';
Default:return false;
}}}?> 2.get_spec_img () calls the picture class, and then saves the picture with a different specification and returns a picture connection in the following way
3. How to use:
Im: Store pictures are stored in 3 kinds of specifications: small figure: 48x48, 120x120, large figure 200x200
$small _url=get_spec_image ($data [' Image '],48,48,0);
$<span id= "Result_box" class= "Short_text" lang= "en" >
<span>middle_url</span></span>= Get_spec_image ($data [' Image '],120,120,0);
$big _url=get_spec_image ($data [' Image '],200,200,0);
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