1 function combineImage($head_img,$middle_img,$footer_img,$save_path){
2 $source_w = 400;
3 $source_h = 1142;
4 //取头部图片大小
5 $head_size = getimagesize($head_img);
6 $head_height = $head_size['1'];
7 $head_width = $head_size['0'];
8 $head_start_x = floor(($source_w-$head_width)/2);//头部开始位置
9 //取中间图片大小
10 $midd_size = getimagesize($middle_img);
11 $midd_height = $midd_size['1'];
12 $midd_width = $midd_size['0'];
13 $midd_start_y = $head_height-15;//中间开始Y坐标，因为头部的图片底部有空白，所以减去15
14 $midd_start_x = floor(($source_w-$midd_width)/2);
15
16 //取底部图片大小
17 $foot_size = getimagesize($footer_img);
18 $foot_height = $foot_size[1];
19 $foot_width = $foot_size[0];
20 $foot_start_x = floor(($source_w-$foot_width)/2);//底部图片x坐标
21 $foot_start_y = $source_h-$foot_height;//底部图片y坐标
22
23 $head = imagecreatefrompng($head_img);
24 $middle = imagecreatefrompng($middle_img);
25 $footer = imagecreatefrompng($footer_img);
26
27 $bg_img = imageCreatetruecolor($source_w,$source_h);//生成背景图片
28 $color = imagecolorallocate($bg_img, 255, 255, 255); //设置白色背景
29 imagefill($bg_img, 0, 0, $color);//背景色填充
30 imageColorTransparent($bg_img, $color);//透明
31 imagecopyresampled($bg_img,$head,$head_start_x,0,0,0,$head_width,$head_height,$head_width,$head_height);
32 imagecopyresampled($bg_img,$middle,$midd_start_x , $midd_start_y,0,0,$midd_width,$midd_height,$midd_width,$midd_height);
33 imagecopyresampled($bg_img,$footer,$foot_start_x , $foot_start_y,0,0,$foot_width,$foot_height,$foot_width,$foot_height);
34
35 imagepng($bg_img,$save_path );
36 }
37 $head = dirname(__FILE__).'/public/images/head.png';
38 $midd = dirname(__FILE__).'/public/images/midd1.png';
39 $foot = dirname(__FILE__).'/public/images/foot1.png';
40 $save_path = dirname(__FILE__)."/public/images/testcomblie.png";
41 combineImage($head,$midd,$foot,$save_path);
