com.donkingliang.imageselector.utils

Class ImageUtil

java.lang.Object

com.donkingliang.imageselector.utils.ImageUtil

public class ImageUtil
extends java.lang.Object

Constructor Summary

Constructors

Constructor and Description
ImageUtil()

Method Summary

Modifier and Type	Method and Description
static android.graphics.Bitmap	decodeSampledBitmapFromFile(android.content.Context context, java.lang.String pathName, int reqWidth, int reqHeight) 根据计算的inSampleSize，得到压缩后图片
static android.graphics.Bitmap	getBitmapFromUri(android.content.Context context, android.net.Uri uri) 获取Bitmap
static android.graphics.Bitmap	getBitmapFromUri(android.content.Context context, android.net.Uri uri, android.graphics.BitmapFactory.Options options) 获取Bitmap
static java.lang.String	getImageCacheDir(android.content.Context context) 获取缓存图片的文件夹
static boolean	isCutImage(android.content.Context context, java.lang.String path) 是否是剪切返回的图片
static boolean	isCutImage(java.lang.String dir, java.lang.String path) 是否是剪切返回的图片
static boolean	isEffective(android.content.Context context, android.net.Uri uri)
static boolean	isEffective(java.lang.String path)
static android.graphics.Bitmap	rotateImageView(android.graphics.Bitmap bitmap, int angle) 旋转图片
static java.lang.String	saveImage(android.graphics.Bitmap bitmap, java.lang.String path, java.lang.String name) 保存图片
static void	savePicture(android.content.Context context, android.net.Uri uri, long takeTime) 保存拍照的图片
static android.graphics.Bitmap	zoomBitmap(android.graphics.Bitmap bm, int reqWidth, int reqHeight)

Methods inherited from class java.lang.Object

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

Constructor Detail

ImageUtil

public ImageUtil()

Method Detail

getImageCacheDir

public static java.lang.String getImageCacheDir(android.content.Context context)

获取缓存图片的文件夹

Parameters:

context -

Returns:

saveImage

public static java.lang.String saveImage(android.graphics.Bitmap bitmap,
                                         java.lang.String path,
                                         java.lang.String name)

保存图片

Parameters:

bitmap -

path -

name -

Returns:

zoomBitmap

public static android.graphics.Bitmap zoomBitmap(android.graphics.Bitmap bm,
                                                 int reqWidth,
                                                 int reqHeight)

decodeSampledBitmapFromFile

public static android.graphics.Bitmap decodeSampledBitmapFromFile(android.content.Context context,
                                                                  java.lang.String pathName,
                                                                  int reqWidth,
                                                                  int reqHeight)

根据计算的inSampleSize，得到压缩后图片

Parameters:

pathName -

reqWidth -

reqHeight -

Returns:

getBitmapFromUri

public static android.graphics.Bitmap getBitmapFromUri(android.content.Context context,
                                                       android.net.Uri uri)

获取Bitmap

Parameters:

context -

uri -

Returns:

getBitmapFromUri

public static android.graphics.Bitmap getBitmapFromUri(android.content.Context context,
                                                       android.net.Uri uri,
                                                       android.graphics.BitmapFactory.Options options)

获取Bitmap

Parameters:

context -

uri -

Returns:

rotateImageView

public static android.graphics.Bitmap rotateImageView(android.graphics.Bitmap bitmap,
                                                      int angle)

旋转图片

Parameters:

bitmap -

angle -

Returns:

Bitmap

isEffective

public static boolean isEffective(java.lang.String path)

isEffective

public static boolean isEffective(android.content.Context context,
                                  android.net.Uri uri)

isCutImage

public static boolean isCutImage(android.content.Context context,
                                 java.lang.String path)

是否是剪切返回的图片

Parameters:

context -

path -

Returns:

isCutImage

public static boolean isCutImage(java.lang.String dir,
                                 java.lang.String path)

是否是剪切返回的图片

Parameters:

dir -

path -

Returns:

savePicture

public static void savePicture(android.content.Context context,
                               android.net.Uri uri,
                               long takeTime)

保存拍照的图片

Parameters:

context -

uri -

takeTime - 调起相机拍照的时间