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文字

ImageView.ScaleType

译者博客:http://blog.sina.com.cn/xjtuyi

版本:Android 3.1 r1

 

结构

继承关系

public static final enum ImageView.ScaleType extends Enum<E extends Enum<E>>

 

java.lang.Object

java.lang.Enum<E extends java.lang.Enum<E>>

android.widget.ImageView.ScaleType

 

类概述

将图片边界缩放,以适应视图边界时的可选项。

 

常量

public static final ImageView.ScaleType CENTER         

在视图中使图像居中,不执行缩放。 XML 中可以使用的语法: android:scaleType="center" 

 

public static final ImageView.ScaleType CENTER_CROP      

均衡的缩放图像(保持图像原始比例),使图片的两个坐标(宽、高)都大于等于 相应的视图坐标(负的内边距)。图像则位于视图的中央。 XML 中可以使用的语法:android:scaleType="centerCrop" 

 

public static final ImageView.ScaleType CENTER_INSIDE   

均衡的缩放图像(保持图像原始比例),使图片的两个坐标(宽、高)都小于等于 相应的视图坐标(负的内边距)。图像则位于视图的中央。 XML 中可以使用的语法:android:scaleType="centerInside" 

 

public static final ImageView.ScaleType FIT_CENTER

使用 CENTER 方式缩放图像。 XML 中可以使用的语法: android:scaleType="fitCenter" 

 

public static final ImageView.ScaleType FIT_END

使用 END 方式缩放图像。 XML 中可以使用的语法: android:scaleType="fitEnd" 

 

public static final ImageView.ScaleType FIT_START

使用 START 方式缩放图像。 XML 中可以使用的语法:android:scaleType="fitStart" 

 

public static final ImageView.ScaleType FIT_XY 

使用 FILL 方式缩放图像。 XML 中可以使用的语法: android:scaleType="fitXY" 

 

public static final ImageView.ScaleType MATRIX

绘制时,使用图像矩阵方式缩放。图像矩阵可以通过 setImageMatrix(Matrix) 设置。在 XML 中可以使用的语法: android:scaleType="matrix" 

 

补充

         文章精选

                   Android APIImageView.ScaleType代码演示


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