php图片合成
<?php
//===================== 新建一个新的 GD 图像流并输出图像========================
//header("Content-type: image/png");
function combine_image($image1, $image2, $opt = 100) {
$wimage_data = GetImageSize($image1);
$width_im1 = $wimage_data[0];
$height_im1 += $wimage_data[1];
switch ($wimage_data[2]) {
case 1:
$im1 = @ImageCreateFromGIF($image1);
break;
case 2:
$im1 = @ImageCreateFromJPEG($image1);
break;
case 3:
$im1 = @ImageCreateFromPNG($image1);
break;
}
$wimage_data = GetImageSize($image2);
$width_im2 = $wimage_data[0];
$height_im2 += $wimage_data[1];
$width = min($width_im1,$width_im2);
$height = $height_im1 + $height_im2;
switch ($wimage_data[2]) {
case 1:
$im2 = @ImageCreateFromGIF($image2);
break;
case 2:
$im2 = @ImageCreateFromJPEG($image2);
break;
case 3:
$im2 = @ImageCreateFromPNG($image2);
break;
}
$im = imagecreatetruecolor($width, $height);
$white = imagecolorallocatealpha($im, 255, 255, 255, 127);
imagefill($im, 0, 0, $white);
imagecopy($im, $im1, 0, 0, 0, 0, $width, $height_im1);
imagecopy($im, $im2, 0, $height_im1, 0, 0, $width, $height_im2);
//================================================
header('Content-Type: image/jpeg');
imagejpeg($im,"tpn.jpg");
//$output_image = str_replace('.','_email.',$image1);
imagedestroy($im);
imagedestroy($im1);
imagedestroy($im2);
imagedestroy($im3);
// imagedestroy($im_small);
}
combine_image('11.jpg', '1.jpg');
?>