cn.trinea.android.common.util

类 ImageUtils

java.lang.Object

cn.trinea.android.common.util.ImageUtils

public class ImageUtils
extends Object

ImageUtils

convert between Bitmap, byte array, Drawable
• bitmapToByte(Bitmap)
• bitmapToDrawable(Bitmap)
• byteToBitmap(byte[])
• byteToDrawable(byte[])
• drawableToBitmap(Drawable)
• drawableToByte(Drawable)

get image
• getInputStreamFromUrl(String, int)
• getBitmapFromUrl(String, int)
• getDrawableFromUrl(String, int)

scale image
• scaleImageTo(Bitmap, int, int)
• scaleImage(Bitmap, float, float)

作者:

Trinea 2012-6-27

构造器概要

构造器

构造器和说明
ImageUtils()

方法概要

方法

限定符和类型	方法和说明
static byte[]	bitmapToByte(android.graphics.Bitmap b) convert Bitmap to byte array
static android.graphics.drawable.Drawable	bitmapToDrawable(android.graphics.Bitmap b) convert Bitmap to Drawable
static android.graphics.Bitmap	byteToBitmap(byte[] b) convert byte array to Bitmap
static android.graphics.drawable.Drawable	byteToDrawable(byte[] b) convert byte array to Drawable
static android.graphics.Bitmap	drawableToBitmap(android.graphics.drawable.Drawable d) convert Drawable to Bitmap
static byte[]	drawableToByte(android.graphics.drawable.Drawable d) convert Drawable to byte array
static android.graphics.Bitmap	getBitmapFromUrl(String imageUrl, int readTimeOut) get Bitmap by imageUrl
static android.graphics.Bitmap	getBitmapFromUrl(String imageUrl, int readTimeOut, Map<String,String> requestProperties) get Bitmap by imageUrl
static android.graphics.drawable.Drawable	getDrawableFromUrl(String imageUrl, int readTimeOutMillis) get drawable by imageUrl
static android.graphics.drawable.Drawable	getDrawableFromUrl(String imageUrl, int readTimeOutMillis, Map<String,String> requestProperties) get drawable by imageUrl
static InputStream	getInputStreamFromUrl(String imageUrl, int readTimeOutMillis) get input stream from network by imageurl, you need to close inputStream yourself
static InputStream	getInputStreamFromUrl(String imageUrl, int readTimeOutMillis, Map<String,String> requestProperties) get input stream from network by imageurl, you need to close inputStream yourself
static android.graphics.Bitmap	scaleImage(android.graphics.Bitmap org, float scaleWidth, float scaleHeight) scale image
static android.graphics.Bitmap	scaleImageTo(android.graphics.Bitmap org, int newWidth, int newHeight) scale image

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

ImageUtils

public ImageUtils()

方法详细资料

bitmapToByte

public static byte[] bitmapToByte(android.graphics.Bitmap b)

convert Bitmap to byte array

参数:

b -

返回:

byteToBitmap

public static android.graphics.Bitmap byteToBitmap(byte[] b)

convert byte array to Bitmap

参数:

b -

返回:

drawableToBitmap

public static android.graphics.Bitmap drawableToBitmap(android.graphics.drawable.Drawable d)

convert Drawable to Bitmap

参数:

d -

返回:

bitmapToDrawable

public static android.graphics.drawable.Drawable bitmapToDrawable(android.graphics.Bitmap b)

convert Bitmap to Drawable

参数:

b -

返回:

drawableToByte

public static byte[] drawableToByte(android.graphics.drawable.Drawable d)

convert Drawable to byte array

参数:

d -

返回:

byteToDrawable

public static android.graphics.drawable.Drawable byteToDrawable(byte[] b)

convert byte array to Drawable

参数:

b -

返回:

getInputStreamFromUrl

public static InputStream getInputStreamFromUrl(String imageUrl,
                                int readTimeOutMillis)

get input stream from network by imageurl, you need to close inputStream yourself

参数:

imageUrl -

readTimeOutMillis -

返回:

另请参阅:

ImageUtils#getInputStreamFromUrl(String, int, boolean)

getInputStreamFromUrl

public static InputStream getInputStreamFromUrl(String imageUrl,
                                int readTimeOutMillis,
                                Map<String,String> requestProperties)

get input stream from network by imageurl, you need to close inputStream yourself

参数:

imageUrl -

readTimeOutMillis - read time out, if less than 0, not set, in mills

requestProperties - http request properties

返回:

抛出:

MalformedURLException

IOException

getDrawableFromUrl

public static android.graphics.drawable.Drawable getDrawableFromUrl(String imageUrl,
                                                    int readTimeOutMillis)

get drawable by imageUrl

参数:

imageUrl -

readTimeOutMillis -

返回:

另请参阅:

ImageUtils#getDrawableFromUrl(String, int, boolean)

getDrawableFromUrl

public static android.graphics.drawable.Drawable getDrawableFromUrl(String imageUrl,
                                                    int readTimeOutMillis,
                                                    Map<String,String> requestProperties)

get drawable by imageUrl

参数:

imageUrl -

readTimeOutMillis - read time out, if less than 0, not set, in mills

requestProperties - http request properties

返回:

getBitmapFromUrl

public static android.graphics.Bitmap getBitmapFromUrl(String imageUrl,
                                       int readTimeOut)

get Bitmap by imageUrl

参数:

imageUrl -

readTimeOut -

返回:

另请参阅:

ImageUtils#getBitmapFromUrl(String, int, boolean)

getBitmapFromUrl

public static android.graphics.Bitmap getBitmapFromUrl(String imageUrl,
                                       int readTimeOut,
                                       Map<String,String> requestProperties)

get Bitmap by imageUrl

参数:

imageUrl -

requestProperties - http request properties

返回:

scaleImageTo

public static android.graphics.Bitmap scaleImageTo(android.graphics.Bitmap org,
                                   int newWidth,
                                   int newHeight)

scale image

参数:

org -

newWidth -

newHeight -

返回:

scaleImage

public static android.graphics.Bitmap scaleImage(android.graphics.Bitmap org,
                                 float scaleWidth,
                                 float scaleHeight)

scale image

参数:

org -

scaleWidth - sacle of width

scaleHeight - scale of height

返回: