合成方法
function createPoster($config = array(), $filename = "")
{
$imageDefault = array(
'left' => 0,
'top' => 0,
'right' => 0,
'bottom' => 0,
'width' => 100,
'height' => 100,
'opacity' => 100
);
$textDefault = array(
'text' => '',
'left' => 0,
'top' => 0,
'fontSize' => 32,
'fontColor' => '255,255,255',
'angle' => 0,
);
$background = $config['background'];
$backgroundInfo = getimagesize($background);
$backgroundFun = 'imagecreatefrom' . image_type_to_extension($backgroundInfo[2], false);
$background = $backgroundFun($background);
$backgroundWidth = imagesx($background);
$backgroundHeight = imagesy($background);
$imageRes = imageCreatetruecolor($backgroundWidth, $backgroundHeight);
$color = imagecolorallocate($imageRes, 0, 0, 0);
imagefill($imageRes, 0, 0, $color);
imagecopyresampled($imageRes, $background, 0, 0, 0, 0, imagesx($background), imagesy($background), imagesx($background), imagesy($background));
if (!empty($config['image'])) {
foreach ($config['image'] as $key => $val) {
$val = array_merge($imageDefault, $val);
$info = getimagesize($val['url']);
$function = 'imagecreatefrom' . image_type_to_extension($info[2], false);
if ($val['stream']) {
$info = getimagesizefromstring($val['url']);
$function = 'imagecreatefromstring';
}
$res = $function($val['url']);
$resWidth = $info[0];
$resHeight = $info[1];
$canvas = imagecreatetruecolor($val['width'], $val['height']);
imagefill($canvas, 0, 0, $color);
imagecopyresampled($canvas, $res, 0, 0, 0, 0, $val['width'], $val['height'], $resWidth, $resHeight);
$val['left'] = $val['left'] < 0 ? $backgroundWidth - abs($val['left']) - $val['width'] : $val['left'];
$val['top'] = $val['top'] < 0 ? $backgroundHeight - abs($val['top']) - $val['height'] : $val['top'];
imagecopymerge($imageRes, $canvas, $val['left'], $val['top'], $val['right'], $val['bottom'], $val['width'], $val['height'], $val['opacity']);
}
}
if (!empty($config['text'])) {
foreach ($config['text'] as $key => $val) {
$val = array_merge($textDefault, $val);
list($R, $G, $B) = explode(',', $val['fontColor']);
$fontColor = imagecolorallocate($imageRes, $R, $G, $B);
$val['left'] = $val['left'] < 0 ? $backgroundWidth - abs($val['left']) : $val['left'];
$val['top'] = $val['top'] < 0 ? $backgroundHeight - abs($val['top']) : $val['top'];
imagettftext($imageRes, $val['fontSize'], $val['angle'], $val['left'], $val['top'], $fontColor, $val['fontPath'], $val['text']);
}
}
if (!empty($filename)) {
$res = imagejpeg($imageRes, $filename, 90);
imagedestroy($imageRes);
if (!$res) return false;
return $filename;
} else {
imagejpeg($imageRes);
imagedestroy($imageRes);
}
}
调用方法
$configPost = array(
'image' => array(
array(
'url' => CMF_ROOT . "public/static/images/msk3.png",
'stream' => 0,
'right' => 0,
'bottom' => 0,
'width' => 800,
'height' => 800,
'opacity' => 70
),
),
'background' => $data['info']['image'],
);
$goodsTime = time() . cmf_get_current_admin_id();
$getSaveName = CMF_ROOT . "public/upload/goodsTime/" . $goodsTime . "goodsTime" . '.jpg';
$filePath = 'cashApply/' . $goodsTime . "goodsTime" . '.jpg';
createPoster($configPost, $getSaveName);
$sdk = new upload();
$sdk->uploadFile($bucket = 'XXX', $filePath, $getSaveName);
$data['info']['image'] = 'http://XXXX/' . $filePath;