今天是：2025年4月7日 星期一
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 | <?php index(); function index(){ $imageDefault = array( 'left'=>435, 'top'=>1268, 'right'=>0, 'bottom'=>0, 'width'=>245, 'height'=>245, 'opacity'=>100 ); $textDefault = array( 'text'=>'', 'left'=>0, 'top'=>0, 'fontSize'=>32, //字号 'fontColor'=>'255,255,255', //字体颜色 'angle'=>0, ); $background = 'bg.jpg';//海报最底层得背景 $config['image'][]['url'] = 'ewm.jpg';///二维码图片 $filename = 'qrcode_bg.jpg';//生成的文件 getbgqrcode($imageDefault,$textDefault,$background,$filename,$config); echo "<center><img src='".$filename."' width='400'/></center>"; } function getbgqrcode($imageDefault,$textDefault,$background,$filename="",$config=array()){ //如果要看报什么错，可以先注释调这个header if(empty($filename)) header("content-type: image/png"); //背景方法 $backgroundInfo = getimagesize($background); $ext = image_type_to_extension($backgroundInfo[2], false); $backgroundFun = 'imagecreatefrom'.$ext; $background = $backgroundFun($background); $backgroundWidth = imagesx($background); //背景宽度 $backgroundHeight = imagesy($background); //背景高度 $imageRes = imageCreatetruecolor($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($background)); //处理了图片 if(!empty($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']){ //如果传的是字符串图像流 $info = getimagesizefromstring($val['url']); $function = 'imagecreatefromstring'; } $res = $function($val['url']); $resWidth = $info[0]; $resHeight = $info[1]; //建立画板 ，缩放图片至指定尺寸 $canvas=imagecreatetruecolor($val['width'], $val['height']); imagefill($canvas, 0, 0, $color); //关键函数，参数（目标资源，源，目标资源的开始坐标x,y, 源资源的开始坐标x,y,目标资源的宽高w,h,源资源的宽高w,h） imagecopyresampled($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']; //放置图像 imagecopymerge($imageRes,$canvas, $val['left'],$val['top'],$val['right'],$val['bottom'],$val['width'],$val['height'],$val['opacity']);//左，上，右，下，宽度，高度，透明度 } } //处理文字 if(!empty($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']); } } //生成图片 if(!empty($filename)){ $res = imagejpeg ($imageRes,$filename,90); //保存到本地 imagedestroy($imageRes); }else{ imagejpeg ($imageRes); //在浏览器上显示 imagedestroy($imageRes); }}?> |
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