PHP synthesis or creation of gif animation-PHP Tutorial-php.cn

PHP synthesis or creation of gif animation

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Release： 2016-07-25 08:49:22

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1. First, you need to confirm whether the GD library is normal.

2. If it is a composite image, please make sure to put the decomposed image in the frames folder.

3. GIFEncoder.class.php class

include "GIFEncoder.class.php";
ob_start();
$board_width = 60;
$board_height = 60;
$pad_width = 5;
$pad_height = 15;
$ ball_size = 5;
$game_width = $board_width - $pad_width*2 - $ball_size;
$game_height = $board_height-$ball_size;
$x = 0;
$y = rand(0,$game_height);
$ xv = rand(1,10);
$yv = rand(1,10);
$pt[] = array($x,$y);
do{
$x += $xv;
$y + = $yv;
if($x > $game_width){
$xv = -1*$xv;
$x = $game_width - ($x-$game_width);
}elseif($x < 0) {
$xv = -1*$xv;
$x = abs($x);
}
if($y>$game_height){
$yv = -1*$yv;
$y = $game_height - ($y - $game_height);
}elseif($y<0){
$yv = -1*$yv;
$y = abs($y);
}
$pt[] = array($x ,$y);
}while($x!=$pt[0][0]||$y!=$pt[0][1]);
$i = 0;
while(isset($ pt[$i])){
$image = imagecreate($board_width,$board_height);
imagecolorallocate($image, 0,0,0);
$color = imagecolorallocate($image, 255,255,255);
$color2 = imagecolorallocate($image, 255,0,0);
if($pt[$i][1] + $pad_height < $board_width){
imagefilledrectangle($image,0,$pt[$i][1 ],$pad_width, $pt[$i][1]+$pad_height,$color);
}else{
imagefilledrectangle($image,0,$board_width-$pad_height,$pad_width, $board_width,$color);
}
imagefilledrectangle($image,$board_width-$pad_width,0,$board_width, $board_height,$color2);
imagefilledrectangle($image,$pad_width+$pt[$i][0], $ball_size+$pt[$ i][1]-$ball_size, $pad_width+$pt[$i][0]+$ball_size, $ball_size+$pt[$i][1],$color);
//imagesetpixel($image,$pt [$i][0],$pt[$i][1],$color);
imagegif($image);
imagedestroy($image);
$imagedata[] = ob_get_contents();
ob_clean() ;
++$i;
}
$gif = new GIFEncoder(
$imagedata,
100,
0,
2,
0, 0, 1,
"bin"
);
Header ('Content -type:image/gif');
echo $gif->GetAnimation();
?>

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