- /**
- * 圖片縮放水印類
- *
- * @version 1.0 ;
- *
- */
- class cls_photo
- {
- protected $waterrate = 0.2; //水印圖示在圖片上的比例
- protected $width = 300; //縮圖預設寬度
- protected $height = 200; //縮圖預設高度
- protected $padding = 5; //水印圖到邊的距離
- protected $water_mark = "./water.png";
- protected $water_mark_pos = 5;//水印圖片位置(1=左上角,2=右上角,3=左下角,4=右下角,5中央)
- protected $watermode = 0;// 0縮圖時不打浮水印1縮圖時打水印
- protected $magick_handle;//圖片操作句柄
- protected $format = array('jpg','gif', 'png','jpeg'); // 圖片檔案格式限定
- protected $smallpic_mode = 2;//預設模式0為不產生縮圖,1為裁切縮放,2為比例縮放3為縮放填滿模式
-
- /**
- * 設定圖片類別參數
- *
- * @param $arg 圖片參數多次可放入數組裡如下
- * @param $protected 參數值
- * array(
- * 'waterrate'=>0.2,
- * 'water_mark'=>'./water.png',
- * 'water_mark_pos'=>4,
- * 'smallpic_mode'=>1
- * ) ;
- * @return ture/false
- */
- public function set_args($arg,$val="")
- {
- $params = array('waterrate','water_mark', 'water_mark_pos','smallpic_mode','watermode','width','height');
- if(is_array($arg))
- {
- foreach ($arg as $k =>$v )
- {
- if(in_array($k,$params))
- {
- $this->$k = $v;
- }
- }
- }
- else
- {
- if(empty($val))
- {
- return false;
- }
- else
- {
- if(in_array($arg,$array($arg,$ params))
- {
- $this->$arg = $val;
- }
- }
- }
- return true;
- }
-
- /* *
- * 圖片縮放
- *
- * @param $src_file 來源檔案路徑
- * @param $dst_file 目標檔案路徑
- * @return 縮寫圖片路徑/false
- */
- public function scale($src_file,$dst_file="")
- {
- $dst_width = $this->width;
- $dst_height = $this->height;
- $mode = $this->smallpic_mode;
- $magic_water_handle = NewMagickWand();
- if (!MagickReadImage($magic_water_handle, $src_file))return false;
-
-
-
- $srcext = strtolower(MagickGetImageFormat($magic_water_handle));
- if($srcext=='bmp')
- {
- $srcext = 'jpeg';
- }
- if !in_array($srcext,$this->format))return false;
- //尺寸
- $src_width = MagickGetImageWidth($magic_water_handle);
- $src_height = MagickhandImage_Height( 🎜> //裁切縮放模式
- if($mode == 1)
- {
- $pos_x=$pos_y = 0;//裁切臨時位置
- $src_widthc = $src_width;/ /裁切臨時寬度
- $src_heightc = $src_height;//裁切臨時高度
- if($src_width/$src_height>$dst_width/$dst_height)
- {
- $hewid/$dst $dst_width/$dst_height;
- $pos_x = ($src_width-$src_widthc)/2;
-
- }
- else
- {
- $ssrc; dst_width;
- $pos_y = ($src_height-$src_heightc)/2;
- }
- MagickCropImage($magic_water_handle,$src_widthc,$src_heightc,$pos_heightc,$ //因為MagickCropImage函數後,Gif 影像改,但畫布不變
- $this->magick_handle = NewMagickWand();
- MagickNewImage($this->magick_handle,$src_widthc,$src_heffightc,'#ffffight') ;
- MagickSetFormat($this->magick_handle,$srcext);
- MagickCompositeImage($this->magick_handle,$magic_water_handle,MW_OverCompositeOp,0,0);
- //縮放->magick_handle, $dst_width, $dst_height);
-
- }
- //比例縮放模式
- if($mode == 2)
- {
- if($src_width/$ src_height>$dst_width/$dst_height)
- {
- $dst_height=$dst_width*$src_height/$src_width;
- }
- else /$src_height;
- }
- $this->magick_handle=$magic_water_handle;//替換
- MagickScaleImage($this->magick_handle, $dst_width, $dst_height);//縮放
- }
- //縮放填充模式
- > if($mode == 3)
- {
- if($src_width/$src_height>$dst_width/$dst_height)
- {
- $dst_heightc=$dst_width 🎜> $dst_widthc=$dst_width;
- }
- else
- {
- $dst_widthc=$dst_height*$src_width/$src_height;widthc=$dst_height*$src_width/$src_height; MagickScaleImage($magic_water_handle, $dst_widthc, $dst_heightc);//縮放
- $this->magick_handle = NewMagickWand();
- MagickNewImage($this->dwick_handle,$d_NewImage($d_NewImage($this-stick_handle,$st_p. Smallpic_bgcolor);
- MagickSetFormat($this->magick_handle,$srcext);
- MagickCompositeImage($this->magick_handle,$magic_water_handle,MW_OverCompositeOp,($dst_width-$ ) )/2);
- }
- //打浮水印
- if($this->watermode == 1)
- {
- $this->; set_mark();
- }
- if(empty($dst_file))
- {
- //建立暫存檔案
- $dst_file = tempnam($_SERVER["SINASRV_CACHE_DIR"],"TMP_IMG" );
- }
- MagickWriteImage($this->magick_handle, $dst_file);
- return $dst_file;
- }
-
- /**
- * 打浮水印
- *
- * @param $src_file 要打浮水印的圖片路徑
- * @param $dst_file 生產浮水印的檔案儲存路徑,為空則生產隨機暫存檔案
- * @return 浮水印檔案路徑/false
- / {
- $this->magick_handle = NewMagickWand();
- if (!MagickReadImage($this->magick_handle, $src_file)> return false;
- $this->set_mark();
- if(empty($dst_file))
- {
- //建立暫存檔案
- $dst_file = tempnam($ _SERVER["SINASRV_CACHE_DIR "],"TMP_IMG");
- }
- MagickWriteImage($this->magick_handle, $dst_file);
- return $dst_file;
- }
-
- ** $dst_file;
- }
-
- ** */
- protected function set_mark()
- {
-
- //
- $dst_width = MagickGetImageWidth($this->magick_handle); $dst_height_ Magic ) );
- //處理浮水印圖
- if ($this->water_mark && is_file($this->water_mark))
- {
- $magic_water_handle = NewMagickWand();
- MagicRemImage( $ magic_water_handle);
- if (MagickReadImage($magic_water_handle, $this->water_mark))
- {
- MagickScaleImage($magic_water_handle, $dst_wid*$this-fidth*$this-did*$th. waterrate *MagickGetImageHeight($magic_water_handle)/MagickGetImageWidth($magic_water_handle));//將水印縮放到圖片的1/5
- if ($this->water_mark_pos == 1 )
- $padding;
- $top = $this->padding;
- }
- elseif ($this->water_mark_pos == 2)
- {
- $left = $dst_width-$ this- >padding-MagickGetImageWidth($magic_water_handle);
- $top = $this->padding;
- }
- elseif ($this ->water_mark_pos == 3)
- {
- $
- $ = $ this->padding;
- $top = $dst_height -$this->padding-MagickGetImageHeight($magic_water_handle);
- }
- elseif ($this->water_mark_pos == 4)
- {🎜> {
- $left = $dst_width-$this->padding-MagickGetImageWidth($magic_water_handle);
- $top =$dst_height -$this->padding-MagickGetImageHeight($magic_water_height -$this->padding-MagickGetImageHeight($magic_water_handle);water_mark_pos == 5)
- {
- $left = ($dst_width-MagickGetImageWidth($ magic_water_handle))/2;
- $top =($dst_height -MagickGetImageHeight( 2;
- }
- MagickCompositeImage($this->magick_handle,$magic_water_handle,MW_OverCompositeOp,$left,$頂部);
- }
- }
- }
- }
- >
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