com.budiyev.android.codescanner

Class BarcodeUtils

java.lang.Object

com.budiyev.android.codescanner.BarcodeUtils

public final class BarcodeUtils
extends java.lang.Object

Utils for decoding and encoding bar codes

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	BarcodeUtils.Rotation

Field Summary

Fields

Modifier and Type	Field and Description
static int	ROTATION_0
static int	ROTATION_180
static int	ROTATION_270
static int	ROTATION_90

Method Summary

Modifier and Type	Method and Description
static android.graphics.Bitmap	createBitmap(BitMatrix matrix) Create bitmap from bit matrix
static Result	decodeBitmap(android.graphics.Bitmap bitmap) Decode barcode from bitmap
static Result	decodeBitmap(android.graphics.Bitmap bitmap, java.util.Map<DecodeHintType,?> hints) Decode barcode from bitmap
static Result	decodeRgb(int[] pixels, int width, int height) Decode barcode from RGB pixels array
static Result	decodeRgb(int[] pixels, int width, int height, java.util.Map<DecodeHintType,?> hints) Decode barcode from RGB pixels array
static Result	decodeYuv(byte[] pixels, int width, int height) Decode barcode from YUV pixels array
static Result	decodeYuv(byte[] pixels, int width, int height, int rotation, boolean reverseHorizontal, java.util.Map<DecodeHintType,?> hints) Decode barcode from YUV pixels array
static android.graphics.Bitmap	encodeBitmap(java.lang.String content, BarcodeFormat format, int width, int height) Encode text content
static android.graphics.Bitmap	encodeBitmap(java.lang.String content, BarcodeFormat format, int width, int height, java.util.Map<EncodeHintType,?> hints) Encode text content
static BitMatrix	encodeBitMatrix(java.lang.String content, BarcodeFormat format, int width, int height) Encode text content
static BitMatrix	encodeBitMatrix(java.lang.String content, BarcodeFormat format, int width, int height, java.util.Map<EncodeHintType,?> hints) Encode text content

Methods inherited from class java.lang.Object

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

Field Detail

ROTATION_0

public static final int ROTATION_0

See Also:

Constant Field Values

ROTATION_90

public static final int ROTATION_90

See Also:

Constant Field Values

ROTATION_180

public static final int ROTATION_180

See Also:

Constant Field Values

ROTATION_270

public static final int ROTATION_270

See Also:

Constant Field Values

Method Detail

decodeBitmap

public static Result decodeBitmap(android.graphics.Bitmap bitmap)

Decode barcode from bitmap

Parameters:

bitmap - Bitmap

Returns:

Decode result, if barcode was decoded successfully, null otherwise

decodeBitmap

public static Result decodeBitmap(android.graphics.Bitmap bitmap,
                                  java.util.Map<DecodeHintType,?> hints)

Decode barcode from bitmap

Parameters:

bitmap - Bitmap

hints - Decoder hints

Returns:

Decode result, if barcode was decoded successfully, null otherwise

See Also:

DecodeHintType

decodeRgb

public static Result decodeRgb(int[] pixels,
                               int width,
                               int height)

Decode barcode from RGB pixels array

Parameters:

pixels - Colors in standard Android ARGB format

width - Image width

height - Image height

Returns:

Decode result, if barcode was decoded successfully, null otherwise

See Also:

Color

decodeRgb

public static Result decodeRgb(int[] pixels,
                               int width,
                               int height,
                               java.util.Map<DecodeHintType,?> hints)

Decode barcode from RGB pixels array

Parameters:

pixels - Colors in standard Android ARGB format

width - Image width

height - Image height

hints - Decoder hints

Returns:

Decode result, if barcode was decoded successfully, null otherwise

See Also:

DecodeHintType, Color

decodeYuv

public static Result decodeYuv(byte[] pixels,
                               int width,
                               int height)

Decode barcode from YUV pixels array

Parameters:

pixels - YUV image data

width - Image width

height - Image height

Returns:

Decode result, if barcode was decoded successfully, null otherwise

decodeYuv

public static Result decodeYuv(byte[] pixels,
                               int width,
                               int height,
                               int rotation,
                               boolean reverseHorizontal,
                               java.util.Map<DecodeHintType,?> hints)

Decode barcode from YUV pixels array

Parameters:

pixels - YUV image data

width - Image width

height - Image height

rotation - Degrees to rotate image before decoding (only 0, 90, 180 or 270 are allowed)

reverseHorizontal - Reverse image horizontally before decoding

hints - Decoder hints

Returns:

Decode result, if barcode was decoded successfully, null otherwise

See Also:

DecodeHintType

encodeBitMatrix

public static BitMatrix encodeBitMatrix(java.lang.String content,
                                        BarcodeFormat format,
                                        int width,
                                        int height)

Encode text content

Parameters:

content - Text to be encoded

format - Result barcode format

width - Result image width

height - Result image height

Returns:

Barcode bit matrix, if it was encoded successfully, null otherwise

See Also:

BitMatrix

encodeBitMatrix

public static BitMatrix encodeBitMatrix(java.lang.String content,
                                        BarcodeFormat format,
                                        int width,
                                        int height,
                                        java.util.Map<EncodeHintType,?> hints)

Encode text content

Parameters:

content - Text to be encoded

format - Result barcode format

width - Result image width

height - Result image height

hints - Encoder hints

Returns:

Barcode bit matrix, if it was encoded successfully, null otherwise

See Also:

EncodeHintType, BitMatrix

encodeBitmap

public static android.graphics.Bitmap encodeBitmap(java.lang.String content,
                                                   BarcodeFormat format,
                                                   int width,
                                                   int height)

Encode text content

Parameters:

content - Text to be encoded

format - Result barcode format

width - Result image width

height - Result image height

Returns:

Barcode bitmap, if it was encoded successfully, null otherwise

encodeBitmap

public static android.graphics.Bitmap encodeBitmap(java.lang.String content,
                                                   BarcodeFormat format,
                                                   int width,
                                                   int height,
                                                   java.util.Map<EncodeHintType,?> hints)

Encode text content

Parameters:

content - Text to be encoded

format - Result barcode format

width - Result image width

height - Result image height

hints - Encoder hints

Returns:

Barcode bitmap, if it was encoded successfully, null otherwise

See Also:

EncodeHintType

createBitmap

public static android.graphics.Bitmap createBitmap(BitMatrix matrix)

Create bitmap from bit matrix

Parameters:

matrix - Bit matrix

Returns:

Bitmap

See Also:

BitMatrix, Bitmap