devliving.online.cvscanner.util

Class Util

java.lang.Object

devliving.online.cvscanner.util.Util

public final class Util
extends java.lang.Object

Created by Mehedi Hasan Khan on 8/20/17.

Constructor Summary

Constructors

Constructor and Description
Util()

Method Summary

Modifier and Type	Method and Description
static int	calculateBitmapSampleSize(android.content.Context context, android.net.Uri bitmapUri)
static int	calculateInSampleSize(android.content.Context context, android.net.Uri imageUri, int reqWidth, int reqHeight, boolean keepAspectRatio)
static void	closeSilently(java.io.Closeable c)
static boolean	copyExifRotation(android.content.Context context, android.net.Uri sourceUri, android.net.Uri destinationUri)
static android.graphics.Bitmap	decodeRegionCrop(android.content.Context context, android.net.Uri sourceUri, android.graphics.Rect rect)
static int	getExifRotation(android.content.Context context, android.net.Uri imageUri)
static android.graphics.Bitmap	loadBitmapFromUri(android.content.Context context, int sampleSize, android.net.Uri uri)
static android.graphics.Bitmap	loadBitmapFromUri(android.content.Context context, android.net.Uri imageUri, int reqWidth, int reqHeight) Tries to preserve aspect ratio
static android.net.Uri	saveBitmap(android.content.Context context, android.graphics.Bitmap image)
static android.net.Uri	saveImage(android.content.Context context, java.lang.String imageName, Mat img, boolean useExternalStorage)
static boolean	setExifRotation(android.content.Context context, android.net.Uri imageUri, int rotation)

Methods inherited from class java.lang.Object

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

Constructor Detail

Util

public Util()

Method Detail

closeSilently

public static void closeSilently(java.io.Closeable c)

saveImage

public static android.net.Uri saveImage(android.content.Context context,
                                        java.lang.String imageName,
                                        Mat img,
                                        boolean useExternalStorage)
                                 throws java.io.IOException

Throws:

java.io.IOException

calculateBitmapSampleSize

public static int calculateBitmapSampleSize(android.content.Context context,
                                            android.net.Uri bitmapUri)
                                     throws java.io.IOException

Throws:

java.io.IOException

loadBitmapFromUri

public static android.graphics.Bitmap loadBitmapFromUri(android.content.Context context,
                                                        int sampleSize,
                                                        android.net.Uri uri)
                                                 throws java.io.FileNotFoundException

Throws:

java.io.FileNotFoundException

calculateInSampleSize

public static int calculateInSampleSize(android.content.Context context,
                                        android.net.Uri imageUri,
                                        int reqWidth,
                                        int reqHeight,
                                        boolean keepAspectRatio)
                                 throws java.io.FileNotFoundException

Throws:

java.io.FileNotFoundException

loadBitmapFromUri

public static android.graphics.Bitmap loadBitmapFromUri(android.content.Context context,
                                                        android.net.Uri imageUri,
                                                        int reqWidth,
                                                        int reqHeight)

Tries to preserve aspect ratio

Parameters:

context -

imageUri -

reqWidth -

reqHeight -

Returns:

getExifRotation

public static int getExifRotation(android.content.Context context,
                                  android.net.Uri imageUri)
                           throws java.io.IOException

Throws:

java.io.IOException

copyExifRotation

public static boolean copyExifRotation(android.content.Context context,
                                       android.net.Uri sourceUri,
                                       android.net.Uri destinationUri)
                                throws java.io.IOException

Throws:

java.io.IOException

setExifRotation

public static boolean setExifRotation(android.content.Context context,
                                      android.net.Uri imageUri,
                                      int rotation)
                               throws java.io.IOException

Throws:

java.io.IOException

decodeRegionCrop

public static android.graphics.Bitmap decodeRegionCrop(android.content.Context context,
                                                       android.net.Uri sourceUri,
                                                       android.graphics.Rect rect)

saveBitmap

public static android.net.Uri saveBitmap(android.content.Context context,
                                         android.graphics.Bitmap image)