// +---------------------------------------------------------------------- // | Date: 2020-9-28 10:55:00 // +---------------------------------------------------------------------- namespace bw\poster\template; use bw\Common; use bw\poster\GdUtil; /** 捐款证书绘制工具类 * Class Common * @package app\bwmall\model */ class FundraisingCertTpl extends Base { /**绘制图片方法 * @param array $config * @param string $path * @param string $fileName * @return array * @throws \app\common\exception\UploadException */ public function draw($data = []) { if($data)$this->setData($data); $background_image_url = Common::getImagesFullUrl(config("site.fundraising_cert_tpl")); //背景图片 if(!$background_image_url)throw new \Exception("缺少证书模板"); $name = $this->data['name'];//人名 $org_name = $this->data['org_name'];//组织名 $createtime = $this->data['createtime'];//捐款时间 $desc = $this->data['desc'];//描述 $code = $this->data['code'];//捐款代码 //imagecreate系列函数用于从文件或 URL 载入一幅图像，成功返回图像资源，失败则返回一个空字符串。 list($pic_w, $pic_h, $pic_type) = getimagesize($background_image_url); $background_image = imagecreatefromstring(file_get_contents($background_image_url));//加载背景图 //①创建一块与背景图一样大的画布，填充背景颜色白色 //建立的是一幅大小为 x和 y的黑色图像(默认为黑色) $background_base = imageCreatetruecolor(imagesx($background_image), imagesy($background_image));//获取图像宽度函数：imagesx() 获取图像高度函数：imagesy() $color = imagecolorallocate($background_base, 255, 255, 255);//imagecolorallocate:为一幅图像分配颜色，它的返回值将作为填充颜色函数imagefill($img,0,0,$color)的$color参数 imagefill($background_base, 0, 0, $color);//imagefill:改变一幅图像的背景颜色 //②将背景图片同比例嵌入到画布里 imagecopyresampled($background_base, $background_image, 0, 0, 0, 0, imagesx($background_image), imagesy($background_image), imagesx($background_image), imagesy($background_image)); //③插入捐款代码到海报 $with_offset = $pic_w / 2.2; //宽偏移量 $high_offset = $pic_h / 3.25; //高偏移量 $title_with = $pic_w / 2; //字体宽度范围 //字体长度 $font_size = $pic_w / 45; //使用字体 $temp = array("color" => array(115, 81, 36), "fontsize" => $font_size, "width" => $title_with, "left" => $with_offset, "top" => $high_offset, "hang_size" => 40); //绘制文字，超出 GdUtil::draw_txt_to($background_base, $temp, $code); //④插入人名到海报 $with_offset = $pic_w / 2.4; //宽偏移量 $high_offset = $pic_h / 2.2; //高偏移量 $title_with = $pic_w / 3.5; //字体宽度范围 //字体长度 $font_size = $pic_w / 25; //使用字体 $temp = array("color" => array(115, 81, 36), "fontsize" => $font_size, "width" => $title_with, "left" => $with_offset, "top" => $high_offset, "hang_size" => 120); //绘制文字，超出 GdUtil::draw_txt_to($background_base, $temp, $name); //⑤插入描述到海报 $with_offset = $pic_w / 3.8; //宽偏移量 $high_offset = $pic_h / 1.85; //高偏移量 $title_with = $pic_w / 2; //字体宽度范围 //字体长度 $font_size = $pic_w / 35; //使用字体 $temp = array("color" => array(129, 129, 129), "fontsize" => $font_size, "width" => $title_with, "left" => $with_offset, "top" => $high_offset, "hang_size" => 120); //绘制文字，超出 GdUtil::draw_txt_to($background_base, $temp, $desc); //⑥插入组织名到海报 $with_offset = $pic_w / 1.44; //宽偏移量 $high_offset = $pic_h / 1.27; //高偏移量 $title_with = $pic_w / 2; //字体宽度范围 //字体长度 $font_size = $pic_w / 70; //使用字体 $temp = array("color" => array(129, 129, 129), "fontsize" => $font_size, "width" => $title_with, "left" => $with_offset, "top" => $high_offset, "hang_size" => 120); //绘制文字，超出 GdUtil::draw_txt_to($background_base, $temp, $org_name); //⑦插入捐款时间到海报 $with_offset = $pic_w / 1.44; //宽偏移量 $high_offset = $pic_h / 1.23; //高偏移量 $title_with = $pic_w / 2; //字体宽度范围 //字体长度 $font_size = $pic_w / 65; //使用字体 $temp = array("color" => array(129, 129, 129), "fontsize" => $font_size, "width" => $title_with, "left" => $with_offset, "top" => $high_offset, "hang_size" => 120); //绘制文字，超出 GdUtil::draw_txt_to($background_base, $temp, $createtime); //返回自身 return $this->imageStream($background_base); } }