<小田吃饺子> PHP：GD库 图片水印处理

<?php/** * 处理图片类 * 1.添加文字水印 * 2.添加图片水印 * 3.压缩图片 */class TL_Image{private $image;//内存中的图片private $info;//图片的基本信息/** * 打开一张图片，读取到内存 * @param [type] $src [description] 图片路径 */public function __construct($src){$info = getimagesize($src);$this->info = array(‘width‘ => $info[0],‘height‘ => $info[1],‘type‘ => image_type_to_extension($info[‘2‘],false),‘mime‘ => $info[‘mime‘],);$fun = "imagecreatefrom{$this->info[‘type‘]}";$this->image = $fun($src);}/** * 操作图片(压缩) * @param ?[type] $width ?[description] 宽 * @param ?[type] $height [description] 高 * @return [type] ????????[description] */public function thumb($width,$height){$image_thumb = imagecreatetruecolor($width,$height);imagecopyresampled($image_thumb, $this->image, 0, 0, 0, 0, $width, $height, $this->info[‘width‘], $this->info[‘height‘]);imagedestroy($this->image);$this->image = $image_thumb;}/** * 操作图片(添加文字水印) * [fontMark description] * @param ?[type] $content ?[description] 设置文字 * @param ?[type] $font_url [description] 字体文件路径 * @param ?[type] $size ????[description] 字体大小 * @param ?[type] $color ???[description] 字体颜色 [] * @param ?[type] $local ???[description] 位置 [] * @param ?[type] $angle ???[description] 旋转 * @return [type] ??????????[description] */public function fontMark($content,$font_url,$size,$color,$local,$angle){$col = imagecolorallocatealpha($this->image,$color[0],$color[1],$color[2],$color[3]);imagettftext($this->image, $size, $angle, $local[‘x‘], $local[‘y‘], $col, $font_url, $content);}/** * 操作图片(添加图片水印) * @param ?[type] $source [description] 水印图片路径 * @param ?[type] $local ?[description] 位置 [] * @param ?[type] $alpha ?[description] 透明 * @return [type] ????????[description] ?*/public function imageMark($source,$local,$alpha){$info2 = getimagesize($source);$type2 = image_type_to_extension($info2[2],false);$fun2 = "imagecreatefrom{$type2}";$water = $fun2($source);imagecopymerge($this->image, $water, ?$local[‘x‘], ?$local[‘y‘], 0, 0, $info2[0], $info2[1], $alpha);imagedestroy($water);}/** * 浏览器输出图片 */public function show(){header("Content-Type:" . $this->info[‘mime‘]);$funs = "image{$this->info[‘type‘]}";$funs($this->image);}/** * 保存图片 * @param ?[type] $newname [description] 保存之后的名字 * @return [type] ????????[description] */public function save($srcs){$funs = "image{$this->info[‘type‘]}";$funs($this->image,$srcs);//move_uploaded_file($this->image, $srcs);}/** * 销毁图片 */public function __destruct(){imagedestroy($this->image);}}