android.grapthics.Bitmap类的详解

太过爱你忘了你带给我的痛 2022-08-26 01:00 132阅读 0赞

具体的API翻译见[http://www.cnblogs.com/over140/archive/2011/11/21/2256727.html][http_www.cnblogs.com_over140_archive_2011_11_21_2256727.html]

public final class

# Bitmap #

extends Object  
implements Parcelable

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   <td colspan="2" style="margin:0px; padding:0px; border:none; vertical-align:top; background-color:inherit"> <a style="color:rgb(0,102,153)" rel="nofollow">java.lang.Object</a></td> 
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   <td style="margin:0px; padding:0px; border:none; vertical-align:top; background-color:inherit; font-weight:bold; width:1em"> &nbsp;&nbsp;&nbsp;↳</td> 
   <td colspan="1" style="margin:0px; padding:0px; border:none; vertical-align:top; background-color:inherit"> android.graphics.Bitmap</td> 
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**内部类**

enum **Bitmap.CompressFormat**

详细说明位图的压缩格式，支持JPEG ，PNG ，WEBP

enum **Bitmap.Config**

位图的结构，ALPHA\_8 ，ARGB\_4444，ARGB\_8888 ，RGB\_565

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   <th colspan="12" style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); vertical-align:top; background-color:rgb(222,232,241)"> Public Methods</th> 
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   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); text-align:right; vertical-align:top; background-color:inherit"> boolean </td> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); vertical-align:top; background-color:inherit"> <span style="margin-right:2px"><a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">compress</a></span>( <a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">Bitmap.CompressFormat</a>&nbsp;format, int quality,&nbsp; <a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">OutputStream</a>&nbsp;stream) 
    <div style="margin:0px; padding:3px 1em 0px; border:0px">
      Write a compressed version of the bitmap to the specified outputstream. 
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    <div style="margin:0px; padding:3px 1em 0px; border:0px"> 
     <span style="font-size:12px; color:#ff0000"></span> 
    </div> <p style="margin:10px auto"><span style="color:#ff0000">把位图的压缩信息写入到一个指定的输出流中。如果返回true，可以通过传递一个相应的输出流到BitmapFactory.decodeStream()来重构该位图。</span></p> <p style="margin:10px auto"><span style="color:#ff0000">注意：并非所有的格式都直接支持位图结构，所以通过BitmapFactory返回的位图很可能有不同的位深度，或许会丢失每个象素的alpha值</span></p> <p style="margin:10px auto"><span style="color:#ff0000">(例如，JPEG&nbsp;只支持不透明像素)。</span></p> <p style="margin:10px auto"><span style="color:#ff0000">（译者注：色深(color depth),也称色位深度(bitdePth),是指在一定分辨率下一个像素能够接受的颜色数量范围。通常,色深用2的n次方来表示。</span></p> <p style="margin:10px auto"><span style="color:#ff0000">例如,8 bit的色深包含2的8次方）</span></p> <p style="margin:10px auto 10px 21pt"><span style="color:#ff0000">参数</span></p> <p style="margin:10px auto"><span style="color:#ff0000">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; format &nbsp;图像的压缩格式；</span></p> <p style="margin:10px auto"><span style="color:#ff0000">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; quality&nbsp;图像压缩比的值，0-100。&nbsp;0&nbsp;意味着小尺寸压缩，100意味着高质量压缩。对于有些格式，比如无损压缩的PNG，</span></p> <p style="margin:10px auto"><span style="color:#ff0000">它就会忽视quality这个参数设置。</span></p> <p style="margin:10px auto"><span style="color:#ff0000">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; stream &nbsp;写入压缩数据的输出流</span></p> <p style="margin:10px auto"><span style="color:#ff0000">　　　　返回值</span></p> <p style="margin:10px auto 10px 42pt"><span style="color:#ff0000">如果成功地把压缩数据写入输出流，则返回true</span></p> <p style="margin:10px auto 10px 42pt"><span style="background-color:rgb(250,250,250); text-indent:21pt"><span style="color:#ff0000">该方法可以实现Bitmap保存为图片，图片格式为压缩格式</span></span></p> </td> 
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   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); text-align:right; vertical-align:top; background-color:inherit"> <a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">Bitmap</a> </td> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); vertical-align:top; background-color:inherit"> <span style="margin-right:2px"><a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">copy</a></span>( <a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">Bitmap.Config</a>&nbsp;config, boolean isMutable) 
    <div style="margin:0px; padding:3px 1em 0px; border:0px">
      Tries to make a new bitmap based on the dimensions of this bitmap, setting the new bitmap's config to the one specified, and then copying&nbsp; 
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      this bitmap's pixels into the new bitmap. 
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   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); text-align:right; vertical-align:top; background-color:inherit"> void </td> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); vertical-align:top; background-color:inherit"> <span style="margin-right:2px"><a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">copyPixelsFromBuffer</a></span>( <a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">Buffer</a>&nbsp;src) 
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      Copy the pixels from the buffer, beginning at the current position, overwriting the bitmap's pixels. 
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   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); text-align:right; vertical-align:top; background-color:inherit"> void </td> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); vertical-align:top; background-color:inherit"> <span style="margin-right:2px"><a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">copyPixelsToBuffer</a></span>( <a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">Buffer</a>&nbsp;dst) 
    <div style="margin:0px; padding:3px 1em 0px; border:0px">
      Copy the bitmap's pixels into the specified buffer (allocated by the caller). 
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   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); text-align:right; vertical-align:top; background-color:inherit"> static&nbsp; <a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">Bitmap</a> </td> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); vertical-align:top; background-color:inherit"> <span style="margin-right:2px"><a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">createBitmap</a></span>( <a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">Bitmap</a>&nbsp;source, int x, int y, int width, int height,&nbsp; <a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">Matrix</a>&nbsp;m, boolean filter) 
    <div style="margin:0px; padding:3px 1em 0px; border:0px">
      Returns an immutable bitmap from subset of the source bitmap, transformed by the optional matrix. 
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    <div style="margin:0px; padding:3px 1em 0px; border:0px"> 
     <span style="background-color:rgb(250,250,250)"><span style="color:#ff0000"><span style="background-color:rgb(228,243,252)">从原始位图剪切图像</span>，<span style="text-indent:28px">并根据可选的矩阵进行转换。它被初始化为跟源位图有同样的密度</span></span></span> 
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    <div style="margin:0px; padding:3px 1em 0px; border:0px"> 
     <span style="background-color:rgb(250,250,250)"><span style="color:#ff0000">该<span style="background-color:rgb(250,250,250)">方法是最终的实现，下面的几个方法都是该方法的封装。</span></span></span> 
     <span style="color:#ff0000"><br> </span> 
    </div> 
    <div style="margin:0px; padding:3px 1em 0px; border:0px"> 
     <span style="background-color:rgb(250,250,250)"><span style="background-color:rgb(250,250,250)"><span style="color:#ff0000"><span style="background-color:rgb(228,243,252)">参数说明：<br> </span><span style="background-color:rgb(228,243,252)">　　Bitmap source：要从中截图的原始位图<br> </span><span style="background-color:rgb(228,243,252)">　　int x:起始x坐标<br> </span><span style="background-color:rgb(228,243,252)">　　int y：起始y坐标</span><br style="background-color:rgb(228,243,252)"> <span style="background-color:rgb(228,243,252)">int width：要截的图的宽度</span><br style="background-color:rgb(228,243,252)"> <span style="background-color:rgb(228,243,252)">int&nbsp;height：要截的图的宽度</span><br> </span></span></span> 
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     <span style="background-color:rgb(250,250,250)"><span style="background-color:rgb(250,250,250)"><span style="background-color:rgb(228,243,252)"><span style="color:#ff0000"><span style="background-color:rgb(228,243,252)">Matrix(矩阵)来实现旋转等高级方式截图</span><br> </span></span></span></span> 
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    <div style="margin:0px; padding:3px 1em 0px; border:0px"> 
     <span style="background-color:rgb(250,250,250)"><span style="background-color:rgb(250,250,250)"><span style="background-color:rgb(228,243,252)"><span style="background-color:rgb(228,243,252)"><span style="background-color:rgb(246,246,246)"><span style="color:#ff0000">filter&nbsp;&nbsp;&nbsp;如果为true，源图要被过滤。该参数仅在matrix包含了超过一个翻转才有效</span></span><span style="color:#ff0000"><br> </span></span></span></span></span> 
    </div> 
    <div style="margin:0px; padding:3px 1em 0px; border:0px"> 
     <span style="background-color:rgb(250,250,250)"><span style="background-color:rgb(250,250,250)"><span style="background-color:rgb(228,243,252)"><span style="background-color:rgb(228,243,252)"><span style="background-color:rgb(228,243,252)"><span style="color:#ff0000">返回值：返回一个剪切好的Bitmap</span></span></span></span></span></span> 
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   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); text-align:right; vertical-align:top; background-color:inherit"> static&nbsp; <a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">Bitmap</a> </td> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); vertical-align:top; background-color:inherit"> <span style="margin-right:2px"><a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">createBitmap</a></span>(int width, int height,&nbsp; <a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">Bitmap.Config</a>&nbsp;config) 
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      Returns a mutable bitmap with the specified width and height. 
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   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); text-align:right; vertical-align:top; background-color:inherit"> static&nbsp; <a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">Bitmap</a> </td> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); vertical-align:top; background-color:inherit"> <span style="margin-right:2px"><a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">createBitmap</a></span>( <a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">Bitmap</a>&nbsp;source, int x, int y, int width, int height) 
    <div style="margin:0px; padding:3px 1em 0px; border:0px">
      Returns an immutable bitmap from the specified subset of the source bitmap. 
    </div> 
    <div style="margin:0px; padding:3px 1em 0px; border:0px"> 
     <span style="color:rgb(255,0,0); white-space:nowrap; font-family:arial,sans-serif,verdana,helvetica; font-size:14px; line-height:25px; background-color:rgb(250,250,250)">从源Bitmap中指定区域(x,y, width, height)中挖出一块来实现</span> 
     <span style="color:rgb(255,0,0); white-space:nowrap; padding:0px; margin:0px; font-weight:600; font-family:arial,sans-serif,verdana,helvetica; font-size:14px; line-height:25px; background-color:rgb(250,250,250)">剪切</span> 
     <br> 
    </div> </td> 
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   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); text-align:right; vertical-align:top; background-color:inherit"> static&nbsp; <a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">Bitmap</a> </td> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); vertical-align:top; background-color:inherit"> <span style="margin-right:2px"><a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">createBitmap</a></span>(int[] colors, int offset, int stride, int width, int height,&nbsp; <a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">Bitmap.Config</a>&nbsp;config) 
    <div style="margin:0px; padding:3px 1em 0px; border:0px">
      Returns a immutable bitmap with the specified width and height, with each pixel value set to the corresponding value in the colors array. 
    </div> 
    <div style="margin:0px; padding:3px 1em 0px; border:0px"> 
     <p style="margin:10px auto"><span style="color:#ff0000">返回一个指定宽度和高度的不可变位图，该位图每个像素值等于颜色数组中对应的值。它初始化的密度由getDensity()来设定。</span></p> 
     <p style="margin:10px auto"><span style="color:#ff0000">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;参数</span></p> 
     <p style="margin:10px auto"><span style="color:#ff0000">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; colors&nbsp;用来初始化像素值得颜色数组</span></p> 
     <p style="margin:10px auto"><span style="color:#ff0000">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; offset&nbsp;在像素数组的第一个颜色值之前要忽略的像素个数</span></p> 
     <p style="margin:10px auto"><span style="color:#ff0000">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; stride&nbsp;行之间像素个数</span></p> 
     <p style="margin:10px auto"><span style="color:#ff0000">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; width&nbsp;位图的宽度</span></p> 
     <p style="margin:10px auto"><span style="color:#ff0000">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; height&nbsp;位图的高度</span></p> 
     <p style="margin:10px auto"><span style="color:#ff0000">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; config&nbsp;位图的结构。如果这个结构不支持每个像素的alpha通道(比如，RGB_565),&nbsp;那么colors数组中的alpha位将被忽略</span></p> 
     <p style="margin:10px auto"><span style="color:#ff0000">(被假定为FF值)。</span></p> 
     <p style="margin:10px auto"><span style="color:#ff0000">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;异常&nbsp;</span></p> 
     <p style="margin:10px auto 10px 42pt"><span style="color:#ff0000">IllegalArgumentException　　如果宽度值或高度值小于等于零，或者像素数组的长度小于像素个数，该异常被抛出。</span></p> 
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   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); text-align:right; vertical-align:top; background-color:inherit"> static&nbsp; <a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">Bitmap</a> </td> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); vertical-align:top; background-color:inherit"> <span style="margin-right:2px"><a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">createBitmap</a></span>( <a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">Bitmap</a>&nbsp;src) 
    <div style="margin:0px; padding:3px 1em 0px; border:0px">
      Returns an immutable bitmap from the source bitmap. 
    </div> 
    <div style="margin:0px; padding:3px 1em 0px; border:0px"> 
     <span style="font-family:Verdana,Geneva,Arial,Helvetica,sans-serif; font-size:13.333333015441895px; line-height:12.666666984558105px; background-color:rgb(228,243,252)"><span style="color:#ff0000">从原位图src复制出一个新的位图，和原始位图相同</span></span> 
     <br> 
    </div> </td> 
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   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); text-align:right; vertical-align:top; background-color:inherit"> static&nbsp; <a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">Bitmap</a> </td> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); vertical-align:top; background-color:inherit"> <span style="margin-right:2px"><a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">createBitmap</a></span>(int[] colors, int width, int height,&nbsp; <a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">Bitmap.Config</a>&nbsp;config) 
    <div style="margin:0px; padding:3px 1em 0px; border:0px">
      Returns a immutable bitmap with the specified width and height, with each pixel value set to the corresponding value in the colors array. 
    </div> 
    <div style="margin:0px; padding:3px 1em 0px; border:0px"> 
     <div style="margin:0px; padding:3px 1em 0px; border:0px"> 
      <span style="color:#ff0000"><span style="background-color:rgb(228,243,252)">这个函数根据颜色数组来创建位图，</span><span style="background-color:rgb(228,243,252)">注意:颜色数组的长度&gt;=width*height</span><br> </span> 
     </div> 
     <div style="margin:0px; padding:3px 1em 0px; border:0px"> 
      <span style="background-color:rgb(228,243,252)"><span style="color:#ff0000">此函数创建位图的过程可以简单概括为:以width和height创建空位图，然后用指定的颜色数组colors来从左到右从上至下一次填充颜色。</span></span> 
     </div> 
     <div style="margin:0px; padding:3px 1em 0px; border:0px"> 
      <span style="background-color:rgb(228,243,252)"><span style="color:#ff0000">config是一个枚举，可以用它来指定位图“质量”。</span></span> 
     </div> 
    </div> </td> 
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   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); text-align:right; vertical-align:top; background-color:inherit"> static&nbsp; <a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">Bitmap</a> </td> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); vertical-align:top; background-color:inherit"> <span style="margin-right:2px"><a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">createScaledBitmap</a></span>( <a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">Bitmap</a>&nbsp;src, int dstWidth, int dstHeight, boolean filter) 
    <div style="margin:0px; padding:3px 1em 0px; border:0px">
      Creates a new bitmap, scaled from an existing bitmap. 
    </div> 
    <div style="margin:0px; padding:3px 1em 0px; border:0px"> 
     <span style="color:#ff0000"><span style="font-family:arial,sans-serif,verdana,helvetica; font-size:14px; line-height:25px; background-color:rgb(250,250,250)">把源Bitmap</span><span style="padding:0px; margin:0px; font-style:normal; font-weight:600; font-family:arial,sans-serif,verdana,helvetica; font-size:14px; line-height:25px; background-color:rgb(250,250,250)">缩放</span><span style="font-family:arial,sans-serif,verdana,helvetica; font-size:14px; line-height:25px; background-color:rgb(250,250,250)">为宽和高（dstWidth &nbsp;dstHeight）的Bitmap</span></span> 
     <br> 
    </div> </td> 
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   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); text-align:right; vertical-align:top; background-color:inherit"> int </td> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); vertical-align:top; background-color:inherit"> <span style="margin-right:2px"><a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">describeContents</a></span>() 
    <div style="margin:0px; padding:3px 1em 0px; border:0px">
      No special parcel contents. 
    </div> </td> 
  </tr> 
  <tr style="margin:0px; padding:0px; border:0px; background-color:rgb(246,246,246)"> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); text-align:right; vertical-align:top; background-color:inherit"> void </td> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); vertical-align:top; background-color:inherit"> <span style="margin-right:2px"><a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">eraseColor</a></span>(int c) 
    <div style="margin:0px; padding:3px 1em 0px; border:0px">
      Fills the bitmap's pixels with the specified&nbsp; 
     <code style="color:rgb(0,112,0); line-height:1em"><a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">Color</a></code>. 
    </div> </td> 
  </tr> 
  <tr style="margin:0px; padding:0px; border:0px"> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); text-align:right; vertical-align:top; background-color:inherit"> <a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">Bitmap</a> </td> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); vertical-align:top; background-color:inherit"> <span style="margin-right:2px"><a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">extractAlpha</a></span>() 
    <div style="margin:0px; padding:3px 1em 0px; border:0px">
      Returns a new bitmap that captures the alpha values of the original. 
    </div> </td> 
  </tr> 
  <tr style="margin:0px; padding:0px; border:0px; background-color:rgb(246,246,246)"> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); text-align:right; vertical-align:top; background-color:inherit"> <a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">Bitmap</a> </td> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); vertical-align:top; background-color:inherit"> <span style="margin-right:2px"><a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">extractAlpha</a></span>( <a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">Paint</a>&nbsp;paint, int[] offsetXY) 
    <div style="margin:0px; padding:3px 1em 0px; border:0px">
      Returns a new bitmap that captures the alpha values of the original. 
    </div> </td> 
  </tr> 
  <tr style="margin:0px; padding:0px; border:0px"> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); text-align:right; vertical-align:top; background-color:inherit"> final int </td> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); vertical-align:top; background-color:inherit"> <span style="margin-right:2px"><a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">getByteCount</a></span>() 
    <div style="margin:0px; padding:3px 1em 0px; border:0px">
      Returns the number of bytes used to store this bitmap's pixels. 
    </div> </td> 
  </tr> 
  <tr style="margin:0px; padding:0px; border:0px; background-color:rgb(246,246,246)"> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); text-align:right; vertical-align:top; background-color:inherit"> final&nbsp; <a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">Bitmap.Config</a> </td> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); vertical-align:top; background-color:inherit"> <span style="margin-right:2px"><a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">getConfig</a></span>() <span style="color:#ff0000">获取bitmap是配置</span> 
    <div style="margin:0px; padding:3px 1em 0px; border:0px">
      If the bitmap's internal config is in one of the public formats, return that config, otherwise return null. 
    </div> </td> 
  </tr> 
  <tr style="margin:0px; padding:0px; border:0px"> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); text-align:right; vertical-align:top; background-color:inherit"> int </td> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); vertical-align:top; background-color:inherit"> <span style="margin-right:2px"><a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">getDensity</a></span>() <span style="color:#ff0000">获取bitmap的密度</span> 
    <div style="margin:0px; padding:3px 1em 0px; border:0px"> 
     <p style="margin-top:0px; margin-bottom:1em; padding-top:0px; padding-bottom:0px; border:0px; line-height:1.3em"> Returns the density for this bitmap.</p> 
    </div> </td> 
  </tr> 
  <tr style="margin:0px; padding:0px; border:0px; background-color:rgb(246,246,246)"> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); text-align:right; vertical-align:top; background-color:inherit"> int </td> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); vertical-align:top; background-color:inherit"> <span style="margin-right:2px"><a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">getGenerationId</a></span>() 
    <div style="margin:0px; padding:3px 1em 0px; border:0px">
      Returns the generation ID of this bitmap. 
    </div> </td> 
  </tr> 
  <tr style="margin:0px; padding:0px; border:0px"> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); text-align:right; vertical-align:top; background-color:inherit"> final int </td> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); vertical-align:top; background-color:inherit"> <span style="margin-right:2px"><a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">getHeight</a></span>() 
    <div style="margin:0px; padding:3px 1em 0px; border:0px">
      Returns the bitmap's height 
    </div> </td> 
  </tr> 
  <tr style="margin:0px; padding:0px; border:0px; background-color:rgb(246,246,246)"> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); text-align:right; vertical-align:top; background-color:inherit"> byte[] </td> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); vertical-align:top; background-color:inherit"> <span style="margin-right:2px"><a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">getNinePatchChunk</a></span>() 
    <div style="margin:0px; padding:3px 1em 0px; border:0px">
      Returns an optional array of private data, used by the UI system for some bitmaps. 
    </div> </td> 
  </tr> 
  <tr style="margin:0px; padding:0px; border:0px"> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); text-align:right; vertical-align:top; background-color:inherit"> int </td> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); vertical-align:top; background-color:inherit"> <span style="margin-right:2px"><a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">getPixel</a></span>(int x, int y) 
    <div style="margin:0px; padding:3px 1em 0px; border:0px">
      Returns the&nbsp; 
     <code style="color:rgb(0,112,0); line-height:1em"><a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">Color</a></code>&nbsp;at the specified location. 
    </div> </td> 
  </tr> 
  <tr style="margin:0px; padding:0px; border:0px; background-color:rgb(246,246,246)"> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); text-align:right; vertical-align:top; background-color:inherit"> void </td> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); vertical-align:top; background-color:inherit"> <span style="margin-right:2px"><a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">getPixels</a></span>(int[] pixels, int offset, int stride, int x, int y, int width, int height) 
    <div style="margin:0px; padding:3px 1em 0px; border:0px">
      Returns in pixels[] a copy of the data in the bitmap. 
    </div> </td> 
  </tr> 
  <tr style="margin:0px; padding:0px; border:0px"> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); text-align:right; vertical-align:top; background-color:inherit"> final int </td> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); vertical-align:top; background-color:inherit"> <span style="margin-right:2px"><a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">getRowBytes</a></span>() 
    <div style="margin:0px; padding:3px 1em 0px; border:0px">
      Return the number of bytes between rows in the bitmap's pixels. 
    </div> </td> 
  </tr> 
  <tr style="margin:0px; padding:0px; border:0px; background-color:rgb(246,246,246)"> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); text-align:right; vertical-align:top; background-color:inherit"> int </td> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); vertical-align:top; background-color:inherit"> <span style="margin-right:2px"><a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">getScaledHeight</a></span>(int targetDensity) 
    <div style="margin:0px; padding:3px 1em 0px; border:0px">
      Convenience method that returns the height of this bitmap divided by the density scale factor. 
    </div> </td> 
  </tr> 
  <tr style="margin:0px; padding:0px; border:0px"> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); text-align:right; vertical-align:top; background-color:inherit"> int </td> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); vertical-align:top; background-color:inherit"> <span style="margin-right:2px"><a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">getScaledHeight</a></span>( <a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">DisplayMetrics</a>&nbsp;metrics) 
    <div style="margin:0px; padding:3px 1em 0px; border:0px">
      Convenience for calling&nbsp; 
     <code style="color:rgb(0,112,0); line-height:1em"><a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">getScaledHeight(int)</a></code>&nbsp;with the target density of the given&nbsp; 
     <code style="color:rgb(0,112,0); line-height:1em"><a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">DisplayMetrics</a></code>. 
    </div> </td> 
  </tr> 
  <tr style="margin:0px; padding:0px; border:0px; background-color:rgb(246,246,246)"> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); text-align:right; vertical-align:top; background-color:inherit"> int </td> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); vertical-align:top; background-color:inherit"> <span style="margin-right:2px"><a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">getScaledHeight</a></span>( <a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">Canvas</a>&nbsp;canvas) 
    <div style="margin:0px; padding:3px 1em 0px; border:0px">
      Convenience for calling&nbsp; 
     <code style="color:rgb(0,112,0); line-height:1em"><a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">getScaledHeight(int)</a></code>&nbsp;with the target density of the given&nbsp; 
     <code style="color:rgb(0,112,0); line-height:1em"><a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">Canvas</a></code>. 
    </div> </td> 
  </tr> 
  <tr style="margin:0px; padding:0px; border:0px"> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); text-align:right; vertical-align:top; background-color:inherit"> int </td> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); vertical-align:top; background-color:inherit"> <span style="margin-right:2px"><a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">getScaledWidth</a></span>( <a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">DisplayMetrics</a>&nbsp;metrics) 
    <div style="margin:0px; padding:3px 1em 0px; border:0px">
      Convenience for calling&nbsp; 
     <code style="color:rgb(0,112,0); line-height:1em"><a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">getScaledWidth(int)</a></code>&nbsp;with the target density of the given&nbsp; 
     <code style="color:rgb(0,112,0); line-height:1em"><a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">DisplayMetrics</a></code>. 
    </div> </td> 
  </tr> 
  <tr style="margin:0px; padding:0px; border:0px; background-color:rgb(246,246,246)"> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); text-align:right; vertical-align:top; background-color:inherit"> int </td> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); vertical-align:top; background-color:inherit"> <span style="margin-right:2px"><a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">getScaledWidth</a></span>(int targetDensity) 
    <div style="margin:0px; padding:3px 1em 0px; border:0px">
      Convenience method that returns the width of this bitmap divided by the density scale factor. 
    </div> </td> 
  </tr> 
  <tr style="margin:0px; padding:0px; border:0px"> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); text-align:right; vertical-align:top; background-color:inherit"> int </td> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); vertical-align:top; background-color:inherit"> <span style="margin-right:2px"><a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">getScaledWidth</a></span>( <a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">Canvas</a>&nbsp;canvas) 
    <div style="margin:0px; padding:3px 1em 0px; border:0px">
      Convenience for calling&nbsp; 
     <code style="color:rgb(0,112,0); line-height:1em"><a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">getScaledWidth(int)</a></code>&nbsp;with the target density of the given&nbsp; 
     <code style="color:rgb(0,112,0); line-height:1em"><a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">Canvas</a></code>. 
    </div> </td> 
  </tr> 
  <tr style="margin:0px; padding:0px; border:0px; background-color:rgb(246,246,246)"> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); text-align:right; vertical-align:top; background-color:inherit"> final int </td> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); vertical-align:top; background-color:inherit"> <span style="margin-right:2px"><a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">getWidth</a></span>() 
    <div style="margin:0px; padding:3px 1em 0px; border:0px">
      Returns the bitmap's width 
    </div> </td> 
  </tr> 
  <tr style="margin:0px; padding:0px; border:0px"> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); text-align:right; vertical-align:top; background-color:inherit"> final boolean </td> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); vertical-align:top; background-color:inherit"> <span style="margin-right:2px"><a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">hasAlpha</a></span>() <span style="color:#ff0000">是否有透明度</span> 
    <div style="margin:0px; padding:3px 1em 0px; border:0px">
      Returns true if the bitmap's config supports per-pixel alpha, and if the pixels may contain non-opaque alpha values. 
    </div> </td> 
  </tr> 
  <tr style="margin:0px; padding:0px; border:0px; background-color:rgb(246,246,246)"> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); text-align:right; vertical-align:top; background-color:inherit"> final boolean </td> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); vertical-align:top; background-color:inherit"> <span style="margin-right:2px"><a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">isMutable</a></span>() 
    <div style="margin:0px; padding:3px 1em 0px; border:0px">
      Returns true if the bitmap is marked as mutable (i.e. 
    </div> </td> 
  </tr> 
  <tr style="margin:0px; padding:0px; border:0px"> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); text-align:right; vertical-align:top; background-color:inherit"> final boolean </td> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); vertical-align:top; background-color:inherit"> <span style="margin-right:2px"><a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">isRecycled</a></span>() <span style="color:#ff0000">是否释放资源</span> 
    <div style="margin:0px; padding:3px 1em 0px; border:0px">
      Returns true if this bitmap has been recycled. 
    </div> </td> 
  </tr> 
  <tr style="margin:0px; padding:0px; border:0px; background-color:rgb(246,246,246)"> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); text-align:right; vertical-align:top; background-color:inherit"> void </td> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); vertical-align:top; background-color:inherit"> <span style="margin-right:2px"><a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">prepareToDraw</a></span>() 
    <div style="margin:0px; padding:3px 1em 0px; border:0px">
      Rebuilds any caches associated with the bitmap that are used for drawing it. 
    </div> </td> 
  </tr> 
  <tr style="margin:0px; padding:0px; border:0px"> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); text-align:right; vertical-align:top; background-color:inherit"> void </td> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); vertical-align:top; background-color:inherit"> <span style="margin-right:2px"><a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">recycle</a></span>() <span style="color:#ff0000">释放bitmap占用的内存资源</span> 
    <div style="margin:0px; padding:3px 1em 0px; border:0px">
      Free the native object associated with this bitmap, and clear the reference to the pixel data. 
    </div> 
    <div style="margin:0px; padding:3px 1em 0px; border:0px"> 
     <span style="text-indent:28px"><span style="color:#ff0000">释放和位图相关的本地对象，且清除对像素数据的引用。该方法不会同步释放像素数据。它仅仅允许在没有其它引用的情况</span></span> 
    </div> 
    <div style="margin:0px; padding:3px 1em 0px; border:0px"> 
     <span style="color:#ff0000"><span style="text-indent:28px">下被系统垃圾回收。这个位图被标记为“死的”，意味着如果</span><span style="text-indent:28px">getPixels()</span><span style="text-indent:28px">或</span><span style="text-indent:28px">setPixels()</span><span style="text-indent:28px">被调用，一个异常会抛出，</span></span> 
    </div> 
    <div style="margin:0px; padding:3px 1em 0px; border:0px"> 
     <span style="text-indent:28px"><span style="color:#ff0000">且它不画任何东西。这个操作不可翻转，所以只有当你确信这个位图没有更多的用处时，它才能被调用。这是一个</span></span> 
    </div> 
    <div style="margin:0px; padding:3px 1em 0px; border:0px"> 
     <span style="color:#ff0000"><span style="text-indent:28px">高级的调用，</span><span style="text-indent:28px">&nbsp;</span><span style="text-indent:28px">且一般来说它不需要被调用，因为通常的垃圾回收过程会在该位图没有其它引用的时候，释放这些内存。</span></span> 
     <br> 
    </div> </td> 
  </tr> 
  <tr style="margin:0px; padding:0px; border:0px; background-color:rgb(246,246,246)"> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); text-align:right; vertical-align:top; background-color:inherit"> boolean </td> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); vertical-align:top; background-color:inherit"> <span style="margin-right:2px"><a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">sameAs</a></span>( <a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">Bitmap</a>&nbsp;other) 
    <div style="margin:0px; padding:3px 1em 0px; border:0px">
      Given another bitmap, return true if it has the same dimensions, config, and pixel data as this bitmap. 
    </div> </td> 
  </tr> 
  <tr style="margin:0px; padding:0px; border:0px"> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); text-align:right; vertical-align:top; background-color:inherit"> void </td> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); vertical-align:top; background-color:inherit"> <span style="margin-right:2px"><a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">setDensity</a></span>(int density) 
    <div style="margin:0px; padding:3px 1em 0px; border:0px"> 
     <p style="margin-top:0px; margin-bottom:1em; padding-top:0px; padding-bottom:0px; border:0px; line-height:1.3em"> Specifies the density for this bitmap.</p> 
    </div> </td> 
  </tr> 
  <tr style="margin:0px; padding:0px; border:0px; background-color:rgb(246,246,246)"> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); text-align:right; vertical-align:top; background-color:inherit"> void </td> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); vertical-align:top; background-color:inherit"> <span style="margin-right:2px"><a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">setHasAlpha</a></span>(boolean hasAlpha) 
    <div style="margin:0px; padding:3px 1em 0px; border:0px">
      Tell the bitmap if all of the pixels are known to be opaque (false) or if some of the pixels may contain non-opaque alpha values (true). 
    </div> </td> 
  </tr> 
  <tr style="margin:0px; padding:0px; border:0px"> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); text-align:right; vertical-align:top; background-color:inherit"> void </td> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); vertical-align:top; background-color:inherit"> <span style="margin-right:2px"><a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">setPixel</a></span>(int x, int y, int color) 
    <div style="margin:0px; padding:3px 1em 0px; border:0px">
      Write the specified&nbsp; 
     <code style="color:rgb(0,112,0); line-height:1em"><a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">Color</a></code>&nbsp;into the bitmap (assuming it is mutable) at the x,y coordinate. 
    </div> </td> 
  </tr> 
  <tr style="margin:0px; padding:0px; border:0px; background-color:rgb(246,246,246)"> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); text-align:right; vertical-align:top; background-color:inherit"> void </td> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); vertical-align:top; background-color:inherit"> <span style="margin-right:2px"><a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">setPixels</a></span>(int[] pixels, int offset, int stride, int x, int y, int width, int height) 
    <div style="margin:0px; padding:3px 1em 0px; border:0px">
      Replace pixels in the bitmap with the colors in the array. 
    </div> </td> 
  </tr> 
  <tr style="margin:0px; padding:0px; border:0px"> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); text-align:right; vertical-align:top; background-color:inherit"> void </td> 
   <td style="margin:0px; padding:6px 12px; border:1px solid rgb(204,204,204); vertical-align:top; background-color:inherit"> <span style="margin-right:2px"><a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">writeToParcel</a></span>( <a style="color:rgb(0,102,153); text-decoration:none" rel="nofollow">Parcel</a>&nbsp;p, int flags) 
    <div style="margin:0px; padding:3px 1em 0px; border:0px">
      Write the bitmap and its pixels to the parcel. 
    </div> </td> 
  </tr> 
 </tbody> 
</table>

[http_www.cnblogs.com_over140_archive_2011_11_21_2256727.html]: http://www.cnblogs.com/over140/archive/2011/11/21/2256727.html