PHP image Synthesis (multiple images to compose a picture)

1. Multiple pictures to synthesize a picture such as:

Picture compositing, can be displayed in the browser and save to the folder below

<?PHP/** * Image Merge **/        $pic _list=Array(          ' Img2.png ', ' img2.png ', ' logo.png ', ' logo.png ', ' logo.png ', ' img2.png ', ' Img2.png ', ' img2.png ', ' img2.png '      ); $pic _list=Array_slice($pic _list, 0, 9);//only first 9 pictures      $BG _w= 150;//Background Image width    $BG _h= 150;//Background Image Height      $background= Imagecreatetruecolor ($BG _w,$BG _h);//Background Image    $color= Imagecolorallocate ($background, 202, 201, 201);//Create a white background for the true color canvas and set it to transparentImagefill ($background, 0, 0,$color); Imagecolortransparent ($background,$color); $pic _count=Count($pic _list); $LINEARR=Array();//where line breaks are needed    $space _x= 3; $space _y= 3; $line _x= 0; Switch($pic _count) {       Case1://right in the middle        $start _x=intval($BG _w/4);//Start position x        $start _y=intval($BG _h/4);//Start position y        $pic _w=intval($BG _w/2);//width        $pic _h=intval($BG _h/2);//Height         Break;  Case2://Middle Position side -by        $start _x= 2; $start _y=intval($BG _h/4) + 3; $pic _w=intval($BG _w/2)-5; $pic _h=intval($BG _h/2)-5; $space _x= 5;  Break;  Case3:$start _x= 40;//Start position x        $start _y= 5;//Start position y        $pic _w=intval($BG _w/2)-5;//width        $pic _h=intval($BG _h/2)-5;//Height        $LINEARR=Array(2); $line _x= 4;  Break;  Case4:$start _x= 4;//Start position x        $start _y= 5;//Start position y        $pic _w=intval($BG _w/2)-5;//width        $pic _h=intval($BG _h/2)-5;//Height        $LINEARR=Array(3); $line _x= 4;  Break;  Case5:$start _x= 30;//Start position x        $start _y= 30;//Start position y        $pic _w=intval($BG _w/3)-5;//width        $pic _h=intval($BG _h/3)-5;//Height        $LINEARR=Array(3); $line _x= 5;  Break;  Case6:$start _x= 5;//Start position x        $start _y= 30;//Start position y        $pic _w=intval($BG _w/3)-5;//width        $pic _h=intval($BG _h/3)-5;//Height        $LINEARR=Array(4); $line _x= 5;  Break;  Case7:$start _x= 53;//Start position x        $start _y= 5;//Start position y        $pic _w=intval($BG _w/3)-5;//width        $pic _h=intval($BG _h/3)-5;//Height        $LINEARR=Array(2,5); $line _x= 5;  Break;  Case8:$start _x= 30;//Start position x        $start _y= 5;//Start position y        $pic _w=intval($BG _w/3)-5;//width        $pic _h=intval($BG _h/3)-5;//Height        $LINEARR=Array(3,6); $line _x= 5;  Break;  Case9:$start _x= 5;//Start position x        $start _y= 5;//Start position y        $pic _w=intval($BG _w/3)-5;//width        $pic _h=intval($BG _h/3)-5;//Height        $LINEARR=Array(4,7); $line _x= 5;  Break; }      foreach($pic _list  as $k=$pic _path ) {          $kk=$k+ 1; if(In_array($kk,$LINEARR) ) {              $start _x=$line _x; $start _y=$start _y+$pic _h+$space _y; }          $pathInfo=PathInfo($pic _path); Switch(Strtolower($pathInfo[' extension ']) ) {               Case' jpg ': Case' JPEG ':$imagecreatefromjpeg= ' Imagecreatefromjpeg ';  Break;  Case' PNG ':$imagecreatefromjpeg= ' Imagecreatefrompng ';  Break;  Case' GIF ':default:$imagecreatefromjpeg= ' imagecreatefromstring '; $pic _path=file_get_contents($pic _path);  Break; }          $resource=$imagecreatefromjpeg($pic _path); //$start _x, $start the position of the _y copy picture in the background//0,0 the position of the Copy picture//$pic _w, $pic _h the height and width of the copyImagecopyresized ($background,$resource,$start _x,$start _y, 0, 0,$pic _w,$pic _h, Imagesx ($resource), Imagesy ($resource));//The last two parameters are the original width and height of the image, the width and height of the picture when the reciprocal two parameters are copy        $start _x=$start _x+$pic _w+$space _x; }        Header("Content-type:image/jpg"); Imagejpeg ($background); Imagegif ($background, "./hero_gam.png"); ?>

Image Synthesis

2. Get the height and width of the source picture

List ($width, $height) = getimagesize ($file);

PHP image Synthesis (multiple images to compose a picture)