Php+jquery online cut chart code [imitation dedecms]_php tutorial

Php+jquery online cut chart code [anti-DEDECMS]




<title>Cropper</title>














AJAX Image cropper-yui-based











HTML Blog




The above is the index.php file
Use PHP to re-plot according to X, y

Get variables
$imgfile = $_get[' image '];
$cropStartX = $_get[' Cropstartx ');
$cropStartY = $_get[' Cropstarty ');
$cropW = $_get[' cropwidth ');
$cropH = $_get[' cropheight ');

Create a images
$origimg = Imagecreatefromjpeg ($imgfile);
$cropimg = Imagecreatetruecolor ($cropW, $cropH);

Get the original size
List ($width, $height) = getimagesize ($imgfile);

Crop
Imagecopyresized ($cropimg, $origimg, 0, 0, $cropStartX, $cropStartY, $width, $height, $width, $height);

Force download NES image
Header ("Content-type:image/jpeg");
Header (' content-disposition:attachment; Filename= '. $imgfile. ');
Imagejpeg ($CROPIMG);

Destroy the images
Imagedestroy ($CROPIMG);
Imagedestroy ($ORIGIMG);
?>

Here's the picture,

if (!empty ($_files["Uploadimage")) {
Get file name
$filename = basename ($_files[' uploadimage ' [' name ']);

Get extension
$ext = substr ($filename, Strrpos ($filename, '. ') + 1);

Check for JPG only
if ($ext = = "jpg") {
Generate Unique file name
$newName = ' images/'. Time (). '. '. $ext;

Upload files
if ((Move_uploaded_file ($_files[' uploadimage ' [' tmp_name '], $newName))) {

Get height and width for image uploaded
List ($width, $height) = getimagesize ($newName);

Return JSON data
Echo ' {"image": "'. $newName. '", "height": "'. $height. '", "width": "'. $width. '} ';
}
else {
Echo ' {"error": "An error occurred while moving the files"} ";
}
}
else {
Echo ' {' Error ': ' Invalid image format '} ';
}
}
?>

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