Use php to zoom in and out images)

Use php to zoom in and out images)

Php enables simple image scaling. /** * The Images class is an image processing class. * @ Author pan * @ Package application. controllers * @ Since 1.0 */ Class Images { /** * Scale an image * @ Param $ source original image * @ Param $ newfile New Image * @ Param $ pre zoom ratio */ Public function thumn ($ source, $ pre, $ newfile) { // Obtain the image size List ($ s_w, $ s_h) = getimagesize ($ source ); // Generate a new image size $ New_w = $ s_w * $ pre; $ New_h = $ s_h * $ pre; // Create a new image $ New_f = imagecreatetruecolor ($ new_w, $ new_h ); // Create an image with a resource image $ Sour_f = imagecreatefromjpeg ($ source ); // Copy the resource image to the new image Imagecopyresampled ($ new_f, $ sour_f, 0, 0, 0, 0, $ new_w, $ new_h, $ s_w, $ s_h ); // Output the image to the browser Imagejpeg ($ new_f, $ newfile ); Imagedestroy ($ new_f ); Imagedestroy ($ sour_f ); } } ?>