PHP combines several photos to produce a synthetic image [easy to print and output as a whole ],

PHP combines several photos to produce a synthetic image [easy to print and output as a whole ],

This example describes how PHP can combine several photos to merge images. We will share this with you for your reference. The details are as follows:

<? Php/*** work merging Program * for single-sided, no special processing for cover */$ src_path = $ argv [1]; // php file, the first parameter is the folder name (portfolio), which can be relative to the path $ dst_path = '.. /image /'. $ src_path; // the target location where the generated file is stored if (! File_exists ($ dst_path) {mkdir ($ dst_path);} // recommended size of the synthetic graph. For a single page, the recommended size is 1120*1600 $ g_width = 1120; $ g_height = 1600; $ g_border = 20; // border // template // number of images => array (position => array (x, y, width, height )) $ g_models = array (1 => array (// total number of sheets on a single page 0 => array (// location 'X' => 0 + $ g_border, 'y' => 0 + $ g_border, 'w' => $ g_width-2 * $ g_border, 'H' => $ g_height-2 * $ g_border ,),), 3 => array (0 => array ('x' => 0 + $ g_border, 'y' => 0 + $ g_border, 'W' => $ g_width-2 * $ g_border, 'H' => ($ g_height-3 * $ g_border)/2 ,), 1 => array ('x' => 0 + $ g_border, 'y' => 0 + $ g_border + ($ g_height-3 * $ g_border)/2 + $ g_border, 'W' => ($ g_width-3 * $ g_border)/2, 'H' => ($ g_height-3 * $ g_border)/2 ,), 2 => array ('x' => 0 + $ g_border + ($ g_width-3 * $ g_border)/2 + $ g_border, 'y' => 0 + $ g_border + ($ g_height-3 * $ g_border)/2 + $ g_border, 'w' => ($ g_width-3 * $ G_border)/2, 'H' => ($ g_height-3 * $ g_border)/2 ,),), 4 => array (0 => array ('x' => 0 + $ g_border, 'y' => 0 + $ g_border, 'W' => ($ g_width-3 * $ g_border)/2, 'H' => ($ g_height-3 * $ g_border)/2 ,), 1 => array ('x' => 0 + $ g_border + ($ g_width-3 * $ g_border)/2 + $ g_border, 'y' => 0 + $ g_border, 'W' => ($ g_width-3 * $ g_border)/2, 'H' => ($ g_height-3 * $ g_border)/2 ,), 2 => array ('x' => 0 + $ g_border, 'y' => 0 + $ g_ B Order + ($ g_height-3 * $ g_border)/2 + $ g_border, 'w' => ($ g_width-3 * $ g_border)/2, 'H' => ($ g_height-3 * $ g_border)/2,), 3 => array ('x' => 0 + $ g_border + ($ g_width-3 * $ g_border) /2 + $ g_border, 'y' => 0 + $ g_border + ($ g_height-3 * $ g_border)/2 + $ g_border, 'W' => ($ g_width-3 * $ g_border)/2, 'H' => ($ g_height-3 * $ g_border)/2 ,),),); // Print $ g_tasks = array (0 => array (0), // cover bottom 1 => array (1), 2 => array (2 ), 3 => array (3), 4 => array (4, 5, 6), 5 => array (7), 6 => array (8 ), 7 => array (, 11), 8 => array (12), 9 => array (13), 10 => array (, 16 ), 11 => array (17), 12 => array (18), 13 => array (19,20, 21), 14 => array (22 ), 15 => array (23), 16 => array (24, 25, 26), 17 => array (27,28, 29), 18 => array (30 ), 19 => array (31), 20 => array (32, 33, 34), 21 => array (35), 22 => array (36 ), 23 => array (37), 24 => array (38, 39,40, 41), 25 => array (, 44), 26 => array (45), 27 => array (46), 28 => array, 49), 29 => array (50), 30 => array (51),); // get all the image names in the folder $ jpgs = array (); $ files = scandir ($ src_path); // all file names under the directory foreach ($ files as $ file) {$ path_parts = pathinfo ($ src_path. '/'. $ file); if ($ path_parts ['extension'] = 'jpg ') {$ jpgs [] = $ src_path. '/'. $ file ;}// determines the total number of images if (count ($ jpgs )! = 52) {echo 'the total number of images is incorrect :'. count ($ jpgs ). '/52 '. nl2br ("\ n"); die () ;}// natural sorting usort ($ jpgs, "strnatcmp"); foreach ($ g_tasks as $ page => $ photos) {$ files = array (); foreach ($ photos as $ r) {$ files [] = $ jpgs [$ r] ;}$ image_all = imagemake ($ files ); $ filename = paipage.'.jpg '; imagejpeg ($ image_all, $ dst_path. '/'. $ filename); unset ($ files); echo $ filename. nl2br ("\ n");} echo 'OK '. nl2br ("\ n"); die (); /*** synthesize image ** @ param array $ images image set on this page * @ return resource merged image */function imagemake ($ files = array () {global $ g_width, $ g_height, $ g_models; // merged image $ image_all = imageCreatetruecolor ($ g_width, $ g_height); // create a white background for a true color canvas $ color = imagecolorallocate ($ image_all, 255,255,255); imagefill ($ image_all, 0, 0, $ color); // imageColorTransparent ($ image_all, $ color); // background transparency // function imagecopyresampled ($ dst_image, $ src_image, $ dst_x, $ dst_y, $ src_x, $ src_y, $ dst_w, $ dst_h, $ src_w, $ src_h) // typographical synthesis $ type = count ($ files ); switch ($ type) {case 2: break; case 1: case 3: case 4: // The image set for merging $ images = array (); // modify the image for ($ I = 0; $ I <$ type; $ I ++) {$ images [] = imagecropper ($ files [$ I], $ g_models [$ type] [$ I] ['W'], $ g_models [$ type] [$ I] ['H']);} // typographical Synthesis for ($ I = 0; $ I <$ type; $ I ++) {imagecopyresampled ($ image_all, $ images [$ I], $ g_models [$ type] [$ I] ['X'], $ g_models [$ type] [$ I] ['y'], 0, 0, $ g_models [$ type] [$ I] ['W'], $ g_models [$ type] [$ I] ['H'], imagesx ($ images [$ I]), imagesy ($ images [$ I]);} break; default: break;} return $ image_all ;} /*** trim the image: center crop proportional scaling * @ param $ source_path source image path * @ param $ target_width target width * @ param $ target_height target height * @ return bool | resource */function imagecropper ($ source_path, $ target_width, $ target_height) {$ source_info = getimagesize ($ source_path); $ source_width = $ source_info [0]; $ source_height = $ source_info [1]; $ source_mime = $ source_info ['mime ']; $ source_ratio = $ source_height/$ source_width; $ target_ratio = $ target_height/$ target_width; switch ($ source_mime) {case 'image/gif': $ source_image = imagecreatefromgif ($ source_path); break; case 'image/jpeg ': $ source_image = imagecreatefromjpeg ($ source_path); break; case 'image/png ': $ source_image = imagecreatefrompng ($ source_path); break; default: return false; break;} // different landscape charts, rotate if ($ target_width-$ target_height) * ($ source_width-$ source_height) <0) {// rotate $ source_image = imagerotate ($ source_image, 90, 0 ); $ source_width = $ source_info [1]; // [0] $ source_height = $ source_info [0]; // [1] $ source_ratio = $ source_height/$ source_width ;} // if ($ source_ratio> $ target_ratio) {$ cropped_width = $ source_width; $ cropped_height = $ source_width * $ target_ratio; $ source_x = 0; $ source_y = ($ source_height-$ cropped_height)/2;} // elseif ($ source_ratio <$ target_ratio) {$ cropped_width = $ source_height/$ target_ratio; $ cropped_height = $ source_height; $ source_x = ($ source_width-$ cropped_width)/2; $ source_y = 0;} // else {$ cropped_width = $ source_width; $ cropped_height = $ source_height; $ source_x = 0; $ source_y = 0;} $ target_image = imagecreatetruecolor ($ target_width, $ target_height); $ cropped_image = crop ($ cropped_width, $ cropped_height); // crop imagecopy ($ cropped_image, $ source_image, 0, 0, $ source_x, $ source_y, $ cropped_width, $ cropped_height); // scale ($ target_image, $ cropped_image, 0, 0, 0, 0, $ target_width, $ target_height, $ cropped_width, $ cropped_height); return $ target_image ;}

PS: This Code is applied to the command line mode. Pay attention to the image folder path.