/**
* 基本圖片處理，用於完成圖片縮入，水印添加
* 當水印圖超過目標圖片尺寸時，水印圖能自動適應目標圖片而縮小
* 水印圖可以設置跟背景的合併度
*
* Copyright(c) 2005 by ustb99. All rights reserved
*
* To contact the author write to {@link mailto:[email protected]}
*
* @author 偶然
* @version $Id: thumb.class.php,v 1.9 2006/09/30 09:31:56 zengjian Exp $
* @package system
| < ?php |
| /** |
| * 基本圖片處理，用於完成圖片縮入，水印添加 |
| * 當水印圖超過目標圖片尺寸時，水印圖能自動適應目標圖片而縮小 |
| * 水印圖可以設置跟背景的合併度 |
| * |
| * Copyright(c) 2005 by ustb99. All rights reserved |
| * |
| * To contact the author write to {@link mailto:[email protected]} |
| * |
| * @author 偶然 |
| * @version $Id: thumb.class.php,v 1.9 2006/09/30 09:31:56 zengjian Exp $ |
| * @package system |
| */ |
| /** |
| * ThumbHandler |
| * @access public |
| */ |
| /* |
| 使用方法: |
| 自動裁切: |
| 程序會按照圖片的尺寸從中部裁切最大的正方形，並按目標尺寸進行縮略 |
| $t->setSrcImg("img/test.jpg"); |
| $t->setCutType(1);//這一句就OK了 |
| $t->setDstImg("tmp/new_test.jpg"); |
| $t->createImg(60,60); |
| 手工裁切: |
| 程序會按照指定的位置從源圖上取圖 |
| $t->setSrcImg("img/test.jpg"); |
| $t->setCutType(2);//指明爲手工裁切 |
| $t->setSrcCutPosition(100, 100);// 源圖起點座標 |
| $t->setRectangleCut(300, 200);// 裁切尺寸 |
| $t->setDstImg("tmp/new_test.jpg"); |
| $t->createImg(300,200); |
| */ |
| class ThumbHandler |
| { |
| var $dst_img;// 目標文件 |
| var $h_src; // 圖片資源句柄 |
| var $h_dst;// 新圖句柄 |
| var $h_mask;// 水印句柄 |
| var $img_create_quality = 100;// 圖片生成質量 |
| var $img_display_quality = 80;// 圖片顯示質量,默認爲75 |
| var $img_scale = 0;// 圖片縮放比例 |
| var $src_w = 0;// 原圖寬度 |
| var $src_h = 0;// 原圖高度 |
| var $dst_w = 0;// 新圖總寬度 |
| var $dst_h = 0;// 新圖總高度 |
| var $fill_w;// 填充圖形寬 |
| var $fill_h;// 填充圖形高 |
| var $copy_w;// 拷貝圖形寬 |
| var $copy_h;// 拷貝圖形高 |
| var $src_x = 0;// 原圖繪製起始橫座標 |
| var $src_y = 0;// 原圖繪製起始縱座標 |
| var $start_x;// 新圖繪製起始橫座標 |
| var $start_y;// 新圖繪製起始縱座標 |
| var $mask_word;// 水印文字 |
| var $mask_img;// 水印圖片 |
| var $mask_pos_x = 0;// 水印橫座標 |
| var $mask_pos_y = 0;// 水印縱座標 |
| var $mask_offset_x = 5;// 水印橫向偏移 |
| var $mask_offset_y = 5;// 水印縱向偏移 |
| var $font_w;// 水印字體寬 |
| var $font_h;// 水印字體高 |
| var $mask_w;// 水印寬 |
| var $mask_h;// 水印高 |
| var $mask_font_color = "#ffffff";// 水印文字顏色 |
| var $mask_font = 2;// 水印字體 |
| var $font_size;// 尺寸 |
| var $mask_position = 0;// 水印位置 |
| var $mask_img_pct = 50;// 圖片合併程度,值越大，合併程序越低 |
| var $mask_txt_pct = 50;// 文字合併程度,值越小，合併程序越低 |
| var $img_border_size = 0;// 圖片邊框尺寸 |
| var $img_border_color;// 圖片邊框顏色 |
| var $_flip_x=0;// 水平翻轉次數 |
| var $_flip_y=0;// 垂直翻轉次數 |
| var $cut_type=0;// 剪切類型 |
| var $img_type;// 文件類型 |
| // 文件類型定義,並指出了輸出圖片的函數 |
| var $all_type = array( |
| "jpg" => array("output"=>"imagejpeg"), |
| "gif" => array("output"=>"imagegif"), |
| "png" => array("output"=>"imagepng"), |
| "wbmp" => array("output"=>"image2wbmp"), |
| "jpeg" => array("output"=>"imagejpeg")); |
| /** |
| * 構造函數 |
| */ |
| function ThumbHandler() |
| { |
| $this->mask_font_color = "#ffffff"; |
| $this->font = 2; |
| $this->font_size = 12; |
| } |
| /** |
| * 取得圖片的寬 |
| */ |
| function getImgWidth($src) |
| { |
| return imagesx($src); |
| } |
| /** |
| * 取得圖片的高 |
| */ |
| function getImgHeight($src) |
| { |
| return imagesy($src); |
| } |
| /** |
| * 設置圖片生成路徑 |
| * |
| * @param string $src_img 圖片生成路徑 |
| */ |
| function setSrcImg($src_img, $img_type=null) |
| { |
| if(!file_exists($src_img)) |
| { |
| die("圖片不存在"); |
| } |
| 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函數要求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("圖片源爲空"); |
| } |
| $this->h_src = @ImageCreateFromString($src); |
| $this->src_w = $this->getImgWidth($this->h_src); |
| $this->src_h = $this->getImgHeight($this->h_src); |
| } |
| /** |
| * 設置圖片生成路徑 |
| * |
| * @param string $dst_img 圖片生成路徑 |
| */ |
| function setDstImg($dst_img) |
| { |
| $arr = explode('/',$dst_img); |
| $last = array_pop($arr); |
| $path = implode('/',$arr); |
| $this->_mkdirs($path); |
| $this->dst_img = $dst_img; |
| } |
| /** |
| * 設置圖片的顯示質量 |
| * |
| * @param string $n 質量 |
| */ |
| function setImgDisplayQuality($n) |
| { |
| $this->img_display_quality = (int)$n; |
| } |
| /** |
| * 設置圖片的生成質量 |
| * |
| * @param string $n 質量 |
| */ |
| function setImgCreateQuality($n) |
| { |
| $this->img_create_quality = (int)$n; |
| } |
| /** |
| * 設置文字水印 |
| * |
| * @param string $word 水印文字 |
| * @param integer $font 水印字體 |
| * @param string $color 水印字體顏色 |
| */ |
| function setMaskWord($word) |
| { |
| $this->mask_word .= $word; |
| } |
| /** |
| * 設置字體顏色 |
| * |
| * @param string $color 字體顏色 |
| */ |
| function setMaskFontColor($color="#ffffff") |
| { |
| $this->mask_font_color = $color; |
| } |
| /** |
| * 設置水印字體 |
| * |
| * @param string|integer $font 字體 |
| */ |
| function setMaskFont($font=2) |
| { |
| if(!is_numeric($font) && !file_exists($font)) |
| { |
| die("字體文件不存在"); |
| } |
| $this->font = $font; |
| } |
| /** |
| * 設置文字字體大小,僅對truetype字體有效 |
| */ |
| function setMaskFontSize($size = "12") |
| { |
| $this->font_size = $size; |
| } |
| /** |
| * 設置圖片水印 |
| * |
| * @param string $img 水印圖片源 |
| */ |
| function setMaskImg($img) |
| { |
| $this->mask_img = $img; |
| } |
| /** |
| * 設置水印橫向偏移 |
| * |
| * @param integer $x 橫向偏移量 |
| */ |
| function setMaskOffsetX($x) |
| { |
| $this->mask_offset_x = (int)$x; |
| } |
| /** |
| * 設置水印縱向偏移 |
| * |
| * @param integer $y 縱向偏移量 |
| */ |
| function setMaskOffsetY($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; |
| } |
| /** |
| * 設置圖片合併程度 |
| * |
| * @param integer $n 合併程度 |
| */ |
| function setMaskImgPct($n) |
| { |
| $this->mask_img_pct = (int)$n; |
| } |
| /** |
| * 設置文字合併程度 |
| * |
| * @param integer $n 合併程度 |
| */ |
| function setMaskTxtPct($n) |
| { |
| $this->mask_txt_pct = (int)$n; |
| } |
| /** |
| * 設置縮略圖邊框 |
| * |
| * @param (類型) (參數名) (描述) |
| */ |
| function setDstImgBorder($size=1, $color="#000000") |
| { |
| $this->img_border_size = (int)$size; |
| $this->img_border_color = $color; |
| } |
| /** |
| * 水平翻轉 |
| */ |
| function flipH() |
| { |
| $this->_flip_x++; |
| } |
| /** |
| * 垂直翻轉 |
| */ |
| function flipV() |
| { |
| $this->_flip_y++; |
| } |
| /** |
| * 設置剪切類型 |
| * |
| * @param (類型) (參數名) (描述) |
| */ |
| function setCutType($type) |
| { |
| $this->cut_type = (int)$type; |
| } |
| /** |
| * 設置圖片剪切 |
| * |
| * @param integer $width 矩形剪切 |
| */ |
| function setRectangleCut($width, $height) |
| { |
| $this->fill_w = (int)$width; |
| $this->fill_h = (int)$height; |
| } |
| /** |
| * 設置源圖剪切起始座標點 |
| * |
| * @param (類型) (參數名) (描述) |
| */ |
| function setSrcCutPosition($x, $y) |
| { |
| $this->src_x = (int)$x; |
| $this->src_y = (int)$y; |
| } |
| /** |
| * 創建圖片,主函數 |
| * @param integer $a 當缺少第二個參數時，此參數將用作百分比， |
| * 否則作爲寬度值 |
| * @param integer $b 圖片縮放後的高度 |
| */ |
| function createImg($a, $b=null) |
| { |
| $num = func_num_args(); |
| if(1 == $num) |
| { |
| $r = (int)$a; |
| if($r < 1) |
| { |
| die("圖片縮放比例不得小於1"); |
| } |
| $this->img_scale = $r; |
| $this->_setNewImgSize($r); |
| } |
| if(2 == $num) |
| { |
| $w = (int)$a; |
| $h = (int)$b; |
| if(0 == $w) |
| { |
| die("目標寬度不能爲0"); |
| } |
| if(0 == $h) |
| { |
| die("目標高度不能爲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(); |
| $this->_output(); |
| // 釋放 |
| if(imagedestroy($this->h_src) && imagedestroy($this->h_dst)) |
| { |
| Return true; |
| } |
| else |
| { |
| Return false; |
| } |
| } |
| /** |
| * 生成水印,調用了生成水印文字和水印圖片兩個方法 |
| */ |
| function _createMask() |
| { |
| if($this->mask_word) |
| { |
| // 獲取字體信息 |
| $this->_setFontInfo(); |
| if($this->_isFull()) |
| { |
| die("水印文字過大"); |
| } |
| 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) |
| { |
| $this->_loadMaskImg();//加載時，取得寬高 |
| if($this->_isFull()) |
| { |
| // 將水印生成在原圖上再拷 |
| $this->_createMaskImg($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 |
| { |
| // 創建新圖並拷貝 |
| $this->h_dst = imagecreatetruecolor($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, $this->copy_h); |
| } |
| } |
| /** |
| * 畫邊框 |
| */ |
| function _drawBorder() |
| { |
| if(!empty($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, |
| $this->mask_word); |
| } |
| } |
| /** |
| * 生成水印圖 |
| */ |
| function _createMaskImg($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); |
| } |
| /** |
| * 加載水印圖 |
| */ |
| function _loadMaskImg() |
| { |
| $mask_type = $this->_getImgType($this->mask_img); |
| $this->_checkValid($mask_type); |
| // file_get_contents函數要求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("水印圖片爲空"); |
| } |
| $this->h_mask = ImageCreateFromString($src); |
| $this->mask_w = $this->getImgWidth($this->h_mask); |
| $this->mask_h = $this->getImgHeight($this->h_mask); |
| } |
| /** |
| * 圖片輸出 |
| */ |
| function _output() |
| { |
| $img_type = $this->img_type; |
| $func_name = $this->all_type[$img_type]['output']; |
| if(function_exists($func_name)) |
| { |
| // 判斷瀏覽器,若是IE就不發送頭 |
| if(isset($_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; |
| } |
| } |
| /** |
| * 分析顏色 |
| * |
| * @param string $color 十六進制顏色 |
| */ |
| function _parseColor($color) |
| { |
| $arr = array(); |
| for($ii=1; $ii<strlen ($color); $ii++) |
| { |
| $arr[] = hexdec(substr($color,$ii,2)); |
| $ii++; |
| } |
| Return $arr; |
| } |
| /** |
| * 計算出位置座標 |
| */ |
| function _countMaskPos() |
| { |
| if($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: |
| // 默認將水印放到右下,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: |
| // 默認將水印放到右下,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 - $this->img_border_size; |
| break; |
| } |
| } |
| } |
| /** |
| * 設置字體信息 |
| */ |
| function _setFontInfo() |
| { |
| if(is_numeric($this->font)) |
| { |
| $this->font_w = imagefontwidth($this->font); |
| $this->font_h = imagefontheight($this->font); |
| // 計算水印字體所佔寬高 |
| $word_length = strlen($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]); |
| } |
| } |
| /** |
| * 設置新圖尺寸 |
| * |
| * @param integer $img_w 目標寬度 |
| * @param integer $img_h 目標高度 |
| */ |
| function _setNewImgSize($img_w, $img_h=null) |
| { |
| $num = func_num_args(); |
| if(1 == $num) |
| { |
| $this->img_scale = $img_w;// 寬度作爲比例 |
| $this->fill_w = round($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; |
| // 源文件起始座標 |
| $this->src_x = 0; |
| $this->src_y = 0; |
| $this->copy_w = $this->src_w; |
| $this->copy_h = $this->src_h; |
| // 目標尺寸 |
| $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("圖片邊框過大，已超過了圖片的寬度"); |
| } |
| $rate_w = $this->src_w/$fill_w; |
| $rate_h = $this->src_h/$fill_h; |
| switch($this->cut_type) |
| { |
| case 0: |
| // 如果原圖大於縮略圖，產生縮小，否則不縮小 |
| if($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; |
| // 目標尺寸 |
| $this->dst_w = $this->fill_w + $this->img_border_size*2; |
| $this->dst_h = $this->fill_h + $this->img_border_size*2; |
| break; |
| // 自動裁切 |
| case 1: |
| // 如果圖片是縮小剪切才進行操作 |
| if($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; |
| } |
| // 目標尺寸 |
| $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; |
| // 目標尺寸 |
| $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; |
| } |
| } |
| // 目標文件起始座標 |
| $this->start_x = $this->img_border_size; |
| $this->start_y = $this->img_border_size; |
| } |
| /** |
| * 檢查水印圖是否大於生成後的圖片寬高 |
| */ |
| 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; |
| } |
| /** |
| * 檢查水印圖是否超過原圖 |
| */ |
| function _checkMaskValid() |
| { |
| if( $this->mask_w + $this->mask_offset_x > $this->src_w |
| || $this->mask_h + $this->mask_offset_y > $this->src_h) |
| { |
| die("水印圖片尺寸大於原圖，請縮小水印圖"); |
| } |
| } |
| /** |
| * 取得圖片類型 |
| * |
| * @param string $file_path 文件路徑 |
| */ |
| function _getImgType($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,不能取得文件類型!"); |
| } |
| } |
| /** |
| * 檢查圖片類型是否合法,調用了array_key_exists函數，此函數要求 |
| * php版本大於4.1.0 |
| * |
| * @param string $img_type 文件類型 |
| */ |
| function _checkValid($img_type) |
| { |
| if(!array_key_exists($img_type, $this->all_type)) |
| { |
| Return false; |
| } |
| } |
| /** |
| * 按指定路徑生成目錄 |
| * |
| * @param string $path 路徑 |
| */ |
| function _mkdirs($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); |
| } |
| } |
| } |
| } |
| /** |
| * 垂直翻轉 |
| * |
| * @param string $src 圖片源 |
| */ |
| function _flipV($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; |
| } |
| /** |
| * 水平翻轉 |
| * |
| * @param string $src 圖片源 |
| */ |
| function _flipH($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; |
| } |
| } |
| ?> |
| 使用實例: |
| < ?php |
| require_once('lib/thumb.class.php'); |
| $t = new ThumbHandler(); |
| $t->setSrcImg("img/test.jpg"); |
| $t->setDstImg("tmp/new_test.jpg"); |
| $t->setMaskImg("img/test.gif"); |
| $t->setMaskPosition(1); |
| $t->setMaskImgPct(80); |
| $t->setDstImgBorder(4,"#dddddd"); |
| // 指定縮放比例 |
| $t->createImg(300,200); |
| ?> |
| < ?php |
| require_once('lib/thumb.class.php'); |
| $t = new ThumbHandler(); |
| // 基本使用 |
| $t->setSrcImg("img/test.jpg"); |
| $t->setMaskWord("test"); |
| $t->setDstImgBorder(10,"#dddddd"); |
| // 指定縮放比例 |
| $t->createImg(50); |
| ?> |
| < ?php |
| equire_once('lib/thumb.class.php'); |
| $t = new ThumbHandler(); |
| // 基本使用 |
| $t->setSrcImg("img/test.jpg"); |
| $t->setMaskWord("test"); |
| // 指定固定寬高 |
| $t->createImg(200,200); |
| ?> |
| < ?php |
| require_once('lib/thumb.class.php'); |
| $t = new ThumbHandler(); |
| $t->setSrcImg("img/test.jpg"); |
| $t->setDstImg("tmp/new_test.jpg"); |
| $t->setMaskWord("test"); |
| // 指定固定寬高 |
| $t->createImg(200,200); |
| ?> |
| < ?php |
| require_once('lib/thumb.class.php'); |
| $t = new ThumbHandler(); |
| $t->setSrcImg("img/test.jpg"); |
| // 指定字體文件地址 |
| $t->setMaskFont("c:/winnt/fonts/arial.ttf"); |
| $t->setMaskFontSize(20); |
| $t->setMaskFontColor("#ffff00"); |
| $t->setMaskWord("test3333333"); |
| $t->setDstImgBorder(99,"#dddddd"); |
| $t->createImg(50); |
| ?> |
| < ?php |
| require_once('lib/thumb.class.php'); |
| $t = new ThumbHandler(); |
| $t->setSrcImg("img/test.jpg"); |
| $t->setMaskOffsetX(55); |
| $t->setMaskOffsetY(55); |
| $t->setMaskPosition(1); |
| //$t->setMaskPosition(2); |
| //$t->setMaskPosition(3); |
| //$t->setMaskPosition(4); |
| $t->setMaskFontColor("#ffff00"); |
| $t->setMaskWord("test"); |
| // 指定固定寬高 |
| $t->createImg(50); |
| ?> |
| < ?php |
| require_once('lib/thumb.class.php'); |
| $t = new ThumbHandler(); |
| $t->setSrcImg("img/test.jpg"); |
| $t->setMaskFont("c:/winnt/fonts/simyou.ttf"); |
| $t->setMaskFontSize(20); |
| $t->setMaskFontColor("#ffffff"); |
| $t->setMaskTxtPct(20); |
| $t->setDstImgBorder(10,"#dddddd"); |
| $text = "中文"; |
| $str = mb_convert_encoding($text, "UTF-8", "gb2312"); |
| $t->setMaskWord($str); |
| $t->setMaskWord("test"); |
| // 指定固定寬高 |
| $t->createImg(50); |
| ?> |
| </strlen> |
