<?phpclass ThumbHandler {        var $dst_img; // 目标文件        var $h_src; // 图片资源句柄        var $h_dst; // 新图句柄        var $h_mask; // 水印句柄        var $img_create_quality = 100; // 图片生成质量        var $img_display_quality = 80; // 图片显示质量,默认为75        var $img_scale = 0; // 图片缩放比例        var $src_w = 0; // 原图宽度        var $src_h = 0; // 原图高度        var $dst_w = 0; // 新图总宽度        var $dst_h = 0; // 新图总高度        var $fill_w; // 填充图形宽        var $fill_h; // 填充图形高        var $copy_w; // 拷贝图形宽        var $copy_h; // 拷贝图形高        var $src_x = 0; // 原图绘制起始横坐标        var $src_y = 0; // 原图绘制起始纵坐标        var $start_x; // 新图绘制起始横坐标        var $start_y; // 新图绘制起始纵坐标        var $mask_word; // 水印文字        var $mask_img; // 水印图片        var $mask_pos_x = 0; // 水印横坐标        var $mask_pos_y = 0; // 水印纵坐标        var $mask_offset_x = 5; // 水印横向偏移        var $mask_offset_y = 5; // 水印纵向偏移        var $font_w; // 水印字体宽        var $font_h; // 水印字体高        var $mask_w; // 水印宽        var $mask_h; // 水印高        var $mask_font_color = "#ffffff"; // 水印文字颜色        var $mask_font = 2; // 水印字体        var $font_size; // 尺寸        var $mask_position = 0; // 水印位置        var $mask_img_pct = 50; // 图片合并程度,值越大，合并程序越低        var $mask_txt_pct = 50; // 文字合并程度,值越小，合并程序越低        var $img_border_size = 0; // 图片边框尺寸        var $img_border_color; // 图片边框颜色        var $_flip_x = 0; // 水平翻转次数        var $_flip_y = 0; // 垂直翻转次数               var $cut_type = 0; // 剪切类型               var $img_type; // 文件类型               // 文件类型定义,并指出了输出图片的函数        var $all_type = array ("jpg" => array ("output" => "imagejpeg" ), "gif" => array ("output" => "imagegif" ), "png" => array ("output" => "imagepng" ), "wbmp" => array ("output" => "image2wbmp" ), "jpeg" => array ("output" => "imagejpeg" ) );                /**         * 构造函数         */        function ThumbHandler() {                $this->mask_font_color = "#ffffff";                $this->font = 2;                $this->font_size = 12;        }                /**         * 取得图片的宽         */        function getImgWidth($src) {                return imagesx ( $src );        }                /**         * 取得图片的高         */        function getImgHeight($src) {                return imagesy ( $src );        }                /**         * 设置图片生成路径         *         * @param    string    $src_img   图片生成路径         */        function setSrcImg($src_img, $img_type = null) {                echo $img_type;                if (! file_exists ( $src_img )) {                        die ( "图片不存在" );                }                                if (! empty ( $img_type )) {                        $this->img_type = $img_type;                } else {                        $this->img_type = $this->_getImgType ( $src_img );                }                                $this->_checkValid ( $this->img_type );                                // file_get_contents函数要求php版本>4.3.0                $src = '';                if (function_exists ( "file_get_contents" )) {                        $src = file_get_contents ( $src_img );                } else {                        $handle = fopen ( $src_img, "r" );                        while ( ! feof ( $handle ) ) {                                $src .= fgets ( $fd, 4096 );                        }                        fclose ( $handle );                }                if (empty ( $src )) {                        die ( "图片源为空" );                }                $this->h_src = @ImageCreateFromString ( $src );                $this->src_w = $this->getImgWidth ( $this->h_src );                $this->src_h = $this->getImgHeight ( $this->h_src );        }                /**         * 设置图片生成路径         *         * @param    string    $dst_img   图片生成路径         */        function setDstImg($dst_img) {                $arr = explode ( '/', $dst_img );                $last = array_pop ( $arr );                $path = implode ( '/', $arr );                $this->_mkdirs ( $path );                $this->dst_img = $dst_img;        }                /**         * 设置图片的显示质量         *         * @param    string      $n    质量         */        function setImgDisplayQuality($n) {                $this->img_display_quality = ( int ) $n;        }                /**         * 设置图片的生成质量         *         * @param    string      $n    质量         */        function setImgCreateQuality($n) {                $this->img_create_quality = ( int ) $n;        }                /**         * 设置文字水印         *         * @param    string     $word    水印文字         * @param    integer    $font    水印字体         * @param    string     $color   水印字体颜色         */        function setMaskWord($word) {                $this->mask_word .= $word;        }                /**         * 设置字体颜色         *         * @param    string     $color    字体颜色         */        function setMaskFontColor($color = "#ffffff") {                $this->mask_font_color = $color;        }                /**         * 设置水印字体         *         * @param    stringinteger    $font    字体         */        function setMaskFont($font = 2) {                if (! is_numeric ( $font ) && ! file_exists ( $font )) {                        die ( "字体文件不存在" );                }                $this->font = $font;        }                /**         * 设置文字字体大小,仅对truetype字体有效         */        function setMaskFontSize($size = "12") {                $this->font_size = $size;        }                /**         * 设置图片水印         *         * @param    string    $img     水印图片源         */        function setMaskImg($img) {                $this->mask_img = $img;        }                /**         * 设置水印横向偏移         *         * @param    integer     $x    横向偏移量         */        function setMaskOffsetX($x) {                $this->mask_offset_x = ( int ) $x;        }                /**         * 设置水印纵向偏移         *         * @param    integer     $y    纵向偏移量         */        function setMaskOffsetY($y) {                $this->mask_offset_y = ( int ) $y;        }                /**         * 指定水印位置         *         * @param    integer     $position    位置,1:左上,2:左下,3:右上,0/4:右下         */        function setMaskPosition($position = 0) {                $this->mask_position = ( int ) $position;        }                /**         * 设置图片合并程度         *         * @param    integer     $n    合并程度         */        function setMaskImgPct($n) {                $this->mask_img_pct = ( int ) $n;        }                /**         * 设置文字合并程度         *         * @param    integer     $n    合并程度         */        function setMaskTxtPct($n) {                $this->mask_txt_pct = ( int ) $n;        }                /**         * 设置缩略图边框         *         * @param    (类型)     (参数名)    (描述)         */        function setDstImgBorder($size = 1, $color = "#000000") {                $this->img_border_size = ( int ) $size;                $this->img_border_color = $color;        }                /**         * 水平翻转         */        function flipH() {                $this->_flip_x ++;        }                /**         * 垂直翻转         */        function flipV() {                $this->_flip_y ++;        }                /**         * 设置剪切类型         *         * @param    (类型)     (参数名)    (描述)         */        function setCutType($type) {                $this->cut_type = ( int ) $type;        }                /**         * 设置图片剪切         *         * @param    integer     $width    矩形剪切         */        function setRectangleCut($width, $height) {                $this->fill_w = ( int ) $width;                $this->fill_h = ( int ) $height;        }                /**         * 设置源图剪切起始坐标点         *         * @param    (类型)     (参数名)    (描述)         */        function setSrcCutPosition($x, $y) {                $this->src_x = ( int ) $x;                $this->src_y = ( int ) $y;        }                /**         * 创建图片,主函数         * @param    integer    $a     当缺少第二个参数时，此参数将用作百分比，         *                             否则作为宽度值         * @param    integer    $b     图片缩放后的高度         */        function createImg($a, $b = null) {                $num = func_num_args ();                if (1 == $num) {                        $r = ( int ) $a;                        if ($r < 1) {                                die ( "图片缩放比例不得小于1" );                        }                        $this->img_scale = $r;                        $this->_setNewImgSize ( $r );                }                                if (2 == $num) {                        $w = ( int ) $a;                        $h = ( int ) $b;                        if (0 == $w) {                                die ( "目标宽度不能为0" );                        }                        if (0 == $h) {                                die ( "目标高度不能为0" );                        }                        $this->_setNewImgSize ( $w, $h );                }                                if ($this->_flip_x % 2 != 0) {                        $this->_flipH ( $this->h_src );                }                                if ($this->_flip_y % 2 != 0) {                        $this->_flipV ( $this->h_src );                }                $this->_createMask ();                $this->_output ();                                // 释放                if (imagedestroy ( $this->h_src ) && imagedestroy ( $this->h_dst )) {                        Return true;                } else {                        Return false;                }        }                /**         * 生成水印,调用了生成水印文字和水印图片两个方法         */        function _createMask() {                if ($this->mask_word) {                        // 获取字体信息                        $this->_setFontInfo ();                                                if ($this->_isFull ()) {                                die ( "水印文字过大" );                        } else {                                $this->h_dst = imagecreatetruecolor ( $this->dst_w, $this->dst_h );                                $white = ImageColorAllocate ( $this->h_dst, 255, 255, 255 );                                imagefilledrectangle ( $this->h_dst, 0, 0, $this->dst_w, $this->dst_h, $white ); // 填充背景色                                $this->_drawBorder ();                                imagecopyresampled ( $this->h_dst, $this->h_src, $this->start_x, $this->start_y, $this->src_x, $this->src_y, $this->fill_w, $this->fill_h, $this->copy_w, $this->copy_h );                                $this->_createMaskWord ( $this->h_dst );                        }                }                                if ($this->mask_img) {                        $this->_loadMaskImg (); //加载时，取得宽高                                               if ($this->_isFull ()) {                                // 将水印生成在原图上再拷                                $this->_createMaskImg ( $this->h_src );                                $this->h_dst = imagecreatetruecolor ( $this->dst_w, $this->dst_h );                                $white = ImageColorAllocate ( $this->h_dst, 255, 255, 255 );                                imagefilledrectangle ( $this->h_dst, 0, 0, $this->dst_w, $this->dst_h, $white ); // 填充背景色                                $this->_drawBorder ();                                imagecopyresampled ( $this->h_dst, $this->h_src, $this->start_x, $this->start_y, $this->src_x, $this->src_y, $this->fill_w, $this->start_y, $this->copy_w, $this->copy_h );                        } else {                                // 创建新图并拷贝                                $this->h_dst = imagecreatetruecolor ( $this->dst_w, $this->dst_h );                                $white = ImageColorAllocate ( $this->h_dst, 255, 255, 255 );                                imagefilledrectangle ( $this->h_dst, 0, 0, $this->dst_w, $this->dst_h, $white ); // 填充背景色                                $this->_drawBorder ();                                imagecopyresampled ( $this->h_dst, $this->h_src, $this->start_x, $this->start_y, $this->src_x, $this->src_y, $this->fill_w, $this->fill_h, $this->copy_w, $this->copy_h );                                $this->_createMaskImg ( $this->h_dst );                        }                }                                if (empty ( $this->mask_word ) && empty ( $this->mask_img )) {                        $this->h_dst = imagecreatetruecolor ( $this->dst_w, $this->dst_h );                        $white = ImageColorAllocate ( $this->h_dst, 255, 255, 255 );                        imagefilledrectangle ( $this->h_dst, 0, 0, $this->dst_w, $this->dst_h, $white ); // 填充背景色                        $this->_drawBorder ();                                                imagecopyresampled ( $this->h_dst, $this->h_src, $this->start_x, $this->start_y, $this->src_x, $this->src_y, $this->fill_w, $this->fill_h, $this->copy_w, $this->copy_h );                }        }                /**         * 画边框         */        function _drawBorder() {                if (! empty ( $this->img_border_size )) {                        $c = $this->_parseColor ( $this->img_border_color );                        $color = ImageColorAllocate ( $this->h_src, $c [0], $c [1], $c [2] );                        imagefilledrectangle ( $this->h_dst, 0, 0, $this->dst_w, $this->dst_h, $color ); // 填充背景色                }        }                /**         * 生成水印文字         */        function _createMaskWord($src) {                $this->_countMaskPos ();                $this->_checkMaskValid ();                                $c = $this->_parseColor ( $this->mask_font_color );                $color = imagecolorallocatealpha ( $src, $c [0], $c [1], $c [2], $this->mask_txt_pct );                                if (is_numeric ( $this->font )) {                        imagestring ( $src, $this->font, $this->mask_pos_x, $this->mask_pos_y, $this->mask_word, $color );                } else {                        imagettftext ( $src, $this->font_size, 0, $this->mask_pos_x, $this->mask_pos_y, $color, $this->font, $this->mask_word );                }        }                /**         * 生成水印图         */        function _createMaskImg($src) {                $this->_countMaskPos ();                $this->_checkMaskValid ();                imagecopymerge ( $src, $this->h_mask, $this->mask_pos_x, $this->mask_pos_y, 0, 0, $this->mask_w, $this->mask_h, $this->mask_img_pct );                                imagedestroy ( $this->h_mask );        }                /**         * 加载水印图         */        function _loadMaskImg() {                $mask_type = $this->_getImgType ( $this->mask_img );                $this->_checkValid ( $mask_type );                                // file_get_contents函数要求php版本>4.3.0                $src = '';                if (function_exists ( "file_get_contents" )) {                        $src = file_get_contents ( $this->mask_img );                } else {                        $handle = fopen ( $this->mask_img, "r" );                        while ( ! feof ( $handle ) ) {                                $src .= fgets ( $fd, 4096 );                        }                        fclose ( $handle );                }                if (empty ( $this->mask_img )) {                        die ( "水印图片为空" );                }                $this->h_mask = ImageCreateFromString ( $src );                $this->mask_w = $this->getImgWidth ( $this->h_mask );                $this->mask_h = $this->getImgHeight ( $this->h_mask );        }                /**         * 图片输出         */        function _output() {                $img_type = $this->img_type;                $func_name = $this->all_type [$img_type] ['output'];                if (function_exists ( $func_name )) {                        // 判断浏览器,若是IE就不发送头                        if (isset ( $_SERVER ['HTTP_USER_AGENT'] )) {                                $ua = strtoupper ( $_SERVER ['HTTP_USER_AGENT'] );                                if (! preg_match ( '/^.*MSIE.*/)$/i', $ua )) {                                        header ( "Content-type:$img_type" );                                }                        }                        $func_name ( $this->h_dst, $this->dst_img, $this->img_display_quality );                } else {                        Return false;                }        }                /**         * 分析颜色         *         * @param    string     $color    十六进制颜色         */        function _parseColor($color) {                $arr = array ();                for($ii = 1; $ii < strlen ( $color ); $ii ++) {                        $arr [] = hexdec ( substr ( $color, $ii, 2 ) );                        $ii ++;                }                                Return $arr;        }                /**         * 计算出位置坐标         */        function _countMaskPos() {                if ($this->_isFull ()) {                        switch ($this->mask_position) {                                case 1 :                                        // 左上                                        $this->mask_pos_x = $this->mask_offset_x + $this->img_border_size;                                        $this->mask_pos_y = $this->mask_offset_y + $this->img_border_size;                                        break;                                                                case 2 :                                        // 左下                                        $this->mask_pos_x = $this->mask_offset_x + $this->img_border_size;                                        $this->mask_pos_y = $this->src_h - $this->mask_h - $this->mask_offset_y;                                        break;                                                                case 3 :                                        // 右上                                        $this->mask_pos_x = $this->src_w - $this->mask_w - $this->mask_offset_x;                                        $this->mask_pos_y = $this->mask_offset_y + $this->img_border_size;                                        break;                                                                case 4 :                                        // 右下                                        $this->mask_pos_x = $this->src_w - $this->mask_w - $this->mask_offset_x;                                        $this->mask_pos_y = $this->src_h - $this->mask_h - $this->mask_offset_y;                                        break;                                                                default :                                        // 默认将水印放到右下,偏移指定像素                                        $this->mask_pos_x = $this->src_w - $this->mask_w - $this->mask_offset_x;                                        $this->mask_pos_y = $this->src_h - $this->mask_h - $this->mask_offset_y;                                        break;                        }                } else {                        switch ($this->mask_position) {                                case 1 :                                        // 左上                                        $this->mask_pos_x = $this->mask_offset_x + $this->img_border_size;                                        $this->mask_pos_y = $this->mask_offset_y + $this->img_border_size;                                        break;                                                                case 2 :                                        // 左下                                        $this->mask_pos_x = $this->mask_offset_x + $this->img_border_size;                                        $this->mask_pos_y = $this->dst_h - $this->mask_h - $this->mask_offset_y - $this->img_border_size;                                        break;                                                                case 3 :                                        // 右上                                        $this->mask_pos_x = $this->dst_w - $this->mask_w - $this->mask_offset_x - $this->img_border_size;                                        $this->mask_pos_y = $this->mask_offset_y + $this->img_border_size;                                        break;                                                                case 4 :                                        // 右下                                        $this->mask_pos_x = $this->dst_w - $this->mask_w - $this->mask_offset_x - $this->img_border_size;                                        $this->mask_pos_y = $this->dst_h - $this->mask_h - $this->mask_offset_y - $this->img_border_size;                                        break;                                                                default :                                        // 默认将水印放到右下,偏移指定像素                                        $this->mask_pos_x = $this->dst_w - $this->mask_w - $this->mask_offset_x - $this->img_border_size;                                        $this->mask_pos_y = $this->dst_h - $this->mask_h - $this->mask_offset_y - $this->img_border_size;                                        break;                        }                }        }                /**         * 设置字体信息         */        function _setFontInfo() {                if (is_numeric ( $this->font )) {                        $this->font_w = imagefontwidth ( $this->font );                        $this->font_h = imagefontheight ( $this->font );                                                // 计算水印字体所占宽高                        $word_length = strlen ( $this->mask_word );                        $this->mask_w = $this->font_w * $word_length;                        $this->mask_h = $this->font_h;                } else {                        $arr = imagettfbbox ( $this->font_size, 0, $this->font, $this->mask_word );                        $this->mask_w = abs ( $arr [0] - $arr [2] );                        $this->mask_h = abs ( $arr [7] - $arr [1] );                }        }                /**         * 设置新图尺寸         *         * @param    integer     $img_w   目标宽度         * @param    integer     $img_h   目标高度         */        function _setNewImgSize($img_w, $img_h = null) {                $num = func_num_args ();                if (1 == $num) {                        $this->img_scale = $img_w; // 宽度作为比例                        $this->fill_w = round ( $this->src_w * $this->img_scale / 100 ) - $this->img_border_size * 2;                        $this->fill_h = round ( $this->src_h * $this->img_scale / 100 ) - $this->img_border_size * 2;                                                // 源文件起始坐标                        $this->src_x = 0;                        $this->src_y = 0;                        $this->copy_w = $this->src_w;                        $this->copy_h = $this->src_h;                                                // 目标尺寸                        $this->dst_w = $this->fill_w + $this->img_border_size * 2;                        $this->dst_h = $this->fill_h + $this->img_border_size * 2;                }                                if (2 == $num) {                        $fill_w = ( int ) $img_w - $this->img_border_size * 2;                        $fill_h = ( int ) $img_h - $this->img_border_size * 2;                        if ($fill_w < 0  $fill_h < 0) {                                die ( "图片边框过大，已超过了图片的宽度" );                        }                        $rate_w = $this->src_w / $fill_w;                        $rate_h = $this->src_h / $fill_h;                                                switch ($this->cut_type) {                                case 0 :                                        // 如果原图大于缩略图，产生缩小，否则不缩小                                        if ($rate_w < 1 && $rate_h < 1) {                                                $this->fill_w = ( int ) $this->src_w;                                                $this->fill_h = ( int ) $this->src_h;                                        } else {                                                if ($rate_w >= $rate_h) {                                                        $this->fill_w = ( int ) $fill_w;                                                        $this->fill_h = round ( $this->src_h / $rate_w );                                                } else {                                                        $this->fill_w = round ( $this->src_w / $rate_h );                                                        $this->fill_h = ( int ) $fill_h;                                                }                                        }                                                                                $this->src_x = 0;                                        $this->src_y = 0;                                                                                $this->copy_w = $this->src_w;                                        $this->copy_h = $this->src_h;                                                                                // 目标尺寸                                        $this->dst_w = $this->fill_w + $this->img_border_size * 2;                                        $this->dst_h = $this->fill_h + $this->img_border_size * 2;                                        break;                                                                // 自动裁切                                case 1 :                                        // 如果图片是缩小剪切才进行操作                                        if ($rate_w >= 1 && $rate_h >= 1) {                                                if ($this->src_w > $this->src_h) {                                                        $src_x = round ( $this->src_w - $this->src_h ) / 2;                                                        $this->setSrcCutPosition ( $src_x, 0 );                                                        $this->setRectangleCut ( $fill_h, $fill_h );                                                                                                                $this->copy_w = $this->src_h;                                                        $this->copy_h = $this->src_h;                                                                                                } elseif ($this->src_w < $this->src_h) {                                                        $src_y = round ( $this->src_h - $this->src_w ) / 2;                                                        $this->setSrcCutPosition ( 0, $src_y );                                                        $this->setRectangleCut ( $fill_w, $fill_h );                                                                                                                $this->copy_w = $this->src_w;                                                        $this->copy_h = $this->src_w;                                                } else {                                                        $this->setSrcCutPosition ( 0, 0 );                                                        $this->copy_w = $this->src_w;                                                        $this->copy_h = $this->src_w;                                                        $this->setRectangleCut ( $fill_w, $fill_h );                                                }                                        } else {                                                $this->setSrcCutPosition ( 0, 0 );                                                $this->setRectangleCut ( $this->src_w, $this->src_h );                                                                                                $this->copy_w = $this->src_w;                                                $this->copy_h = $this->src_h;                                        }                                                                                // 目标尺寸                                        $this->dst_w = $this->fill_w + $this->img_border_size * 2;                                        $this->dst_h = $this->fill_h + $this->img_border_size * 2;                                                                                break;                                                                // 手工裁切                                case 2 :                                        $this->copy_w = $this->fill_w;                                        $this->copy_h = $this->fill_h;                                                                                // 目标尺寸                                        $this->dst_w = $this->fill_w + $this->img_border_size * 2;                                        $this->dst_h = $this->fill_h + $this->img_border_size * 2;                                                                                break;                                default :                                        break;                                                }                }                                // 目标文件起始坐标                $this->start_x = $this->img_border_size;                $this->start_y = $this->img_border_size;        }                /**         * 检查水印图是否大于生成后的图片宽高         */        function _isFull() {                Return ($this->mask_w + $this->mask_offset_x > $this->fill_w  $this->mask_h + $this->mask_offset_y > $this->fill_h) ? true : false;        }                /**         * 检查水印图是否超过原图         */        function _checkMaskValid() {                if ($this->mask_w + $this->mask_offset_x > $this->src_w  $this->mask_h + $this->mask_offset_y > $this->src_h) {                        die ( "水印图片尺寸大于原图，请缩小水印图" );                }        }                /**         * 取得图片类型         *         * @param    string     $file_path    文件路径         */        function _getImgType($file_path) {                $type_list = array ("1" => "gif", "2" => "jpg", "3" => "png", "4" => "swf", "5" => "psd", "6" => "bmp", "15" => "wbmp" );                if (file_exists ( $file_path )) {                        $img_info = @getimagesize ( $file_path );                        if (isset ( $type_list [$img_info [2]] )) {                                Return $type_list [$img_info [2]];                        }                } else {                        die ( "文件不存在,不能取得文件类型!" );                }        }                /**         * 检查图片类型是否合法,调用了array_key_exists函数，此函数要求         * php版本大于4.1.0         *         * @param    string     $img_type    文件类型         */        function _checkValid($img_type) {                if (! array_key_exists ( $img_type, $this->all_type )) {                        Return false;                }        }                /**         * 按指定路径生成目录         *         * @param    string     $path    路径         */        function _mkdirs($path) {                $adir = explode ( '/', $path );                $dirlist = '';                $rootdir = array_shift ( $adir );                if (($rootdir != '.'  $rootdir != '..') && ! file_exists ( $rootdir )) {                        @mkdir ( $rootdir );                }                foreach ( $adir as $key => $val ) {                        if ($val != '.' && $val != '..') {                                $dirlist .= "/" . $val;                                $dirpath = $rootdir . $dirlist;                                if (! file_exists ( $dirpath )) {                                        @mkdir ( $dirpath );                                        @chmod ( $dirpath, 0777 );                                }                        }                }        }                /**         * 垂直翻转         *         * @param    string     $src    图片源         */        function _flipV($src) {                $src_x = $this->getImgWidth ( $src );                $src_y = $this->getImgHeight ( $src );                                $new_im = imagecreatetruecolor ( $src_x, $src_y );                for($y = 0; $y < $src_y; $y ++) {                        imagecopy ( $new_im, $src, 0, $src_y - $y - 1, 0, $y, $src_x, 1 );                }                $this->h_src = $new_im;        }                /**         * 水平翻转         *         * @param    string     $src    图片源         */        function _flipH($src) {                $src_x = $this->getImgWidth ( $src );                $src_y = $this->getImgHeight ( $src );                                $new_im = imagecreatetruecolor ( $src_x, $src_y );                for($x = 0; $x < $src_x; $x ++) {                        imagecopy ( $new_im, $src, $src_x - $x - 1, 0, $x, 0, 1, $src_y );                }                $this->h_src = $new_im;        }}?>