gozxing

type BarcodeFormat int

type BarcodeFormats []BarcodeFormat

type Binarizer interface {
	GetLuminanceSource() LuminanceSource

	/**
	 * Converts one row of luminance data to 1 bit data. May actually do the conversion, or return
	 * cached data. Callers should assume this method is expensive and call it as seldom as possible.
	 * This method is intended for decoding 1D barcodes and may choose to apply sharpening.
	 * For callers which only examine one row of pixels at a time, the same BitArray should be reused
	 * and passed in with each call for performance. However it is legal to keep more than one row
	 * at a time if needed.
	 *
	 * @param y The row to fetch, which must be in [0, bitmap height)
	 * @param row An optional preallocated array. If null or too small, it will be ignored.
	 *            If used, the Binarizer will call BitArray.clear(). Always use the returned object.
	 * @return The array of bits for this row (true means black).
	 * @throws NotFoundException if row can't be binarized
	 */
	GetBlackRow(y int, row *BitArray) (*BitArray, error)

	/**
	 * Converts a 2D array of luminance data to 1 bit data. As above, assume this method is expensive
	 * and do not call it repeatedly. This method is intended for decoding 2D barcodes and may or
	 * may not apply sharpening. Therefore, a row from this matrix may not be identical to one
	 * fetched using getBlackRow(), so don't mix and match between them.
	 *
	 * @return The 2D array of bits for the image (true means black).
	 * @throws NotFoundException if image can't be binarized to make a matrix
	 */
	GetBlackMatrix() (*BitMatrix, error)

	/**
	 * Creates a new object with the same type as this Binarizer implementation, but with pristine
	 * state. This is needed because Binarizer implementations may be stateful, e.g. keeping a cache
	 * of 1 bit data. See Effective Java for why we can't use Java's clone() method.
	 *
	 * @param source The LuminanceSource this Binarizer will operate on.
	 * @return A new concrete Binarizer implementation object.
	 */
	CreateBinarizer(source LuminanceSource) Binarizer

	GetWidth() int
	GetHeight() int
}

type BinaryBitmap struct {
	// contains filtered or unexported fields
}

type BitArray struct {
	// contains filtered or unexported fields
}

type BitMatrix struct {
	// contains filtered or unexported fields
}

type ChecksumException interface {
	ReaderException
	// contains filtered or unexported methods
}

type DecodeHintType int

type EncodeHintType int

type FormatException interface {
	ReaderException
	// contains filtered or unexported methods
}

type GlobalHistogramBinarizer struct {
	// contains filtered or unexported fields
}

type GoImageLuminanceSource struct {
	*RGBLuminanceSource
}

type HybridBinarizer struct {
	*GlobalHistogramBinarizer
	// contains filtered or unexported fields
}

type InvertedLuminanceSource struct {
	LuminanceSource
}

type LuminanceSource interface {
	/**
	 * Fetches one row of luminance data from the underlying platform's bitmap. Values range from
	 * 0 (black) to 255 (white). Because Java does not have an unsigned byte type, callers will have
	 * to bitwise and with 0xff for each value. It is preferable for implementations of this method
	 * to only fetch this row rather than the whole image, since no 2D Readers may be installed and
	 * getMatrix() may never be called.
	 *
	 * @param y The row to fetch, which must be in [0,getHeight())
	 * @param row An optional preallocated array. If null or too small, it will be ignored.
	 *            Always use the returned object, and ignore the .length of the array.
	 * @return An array containing the luminance data.
	 */
	GetRow(y int, row []byte) ([]byte, error)

	/**
	 * Fetches luminance data for the underlying bitmap. Values should be fetched using:
	 * {@code int luminance = array[y * width + x] & 0xff}
	 *
	 * @return A row-major 2D array of luminance values. Do not use result.length as it may be
	 *         larger than width * height bytes on some platforms. Do not modify the contents
	 *         of the result.
	 */
	GetMatrix() []byte

	/**
	 * @return The width of the bitmap.
	 */
	GetWidth() int

	/**
	 * @return The height of the bitmap.
	 */
	GetHeight() int

	/**
	 * @return Whether this subclass supports cropping.
	 */
	IsCropSupported() bool

	/**
	 * Returns a new object with cropped image data. Implementations may keep a reference to the
	 * original data rather than a copy. Only callable if isCropSupported() is true.
	 *
	 * @param left The left coordinate, which must be in [0,getWidth())
	 * @param top The top coordinate, which must be in [0,getHeight())
	 * @param width The width of the rectangle to crop.
	 * @param height The height of the rectangle to crop.
	 * @return A cropped version of this object.
	 */
	Crop(left, top, width, height int) (LuminanceSource, error)

	/**
	 * @return Whether this subclass supports counter-clockwise rotation.
	 */
	IsRotateSupported() bool

	/**
	 * @return a wrapper of this {@code LuminanceSource} which inverts the luminances it returns -- black becomes
	 *  white and vice versa, and each value becomes (255-value).
	 */
	Invert() LuminanceSource

	/**
	 * Returns a new object with rotated image data by 90 degrees counterclockwise.
	 * Only callable if {@link #isRotateSupported()} is true.
	 *
	 * @return A rotated version of this object.
	 */
	RotateCounterClockwise() (LuminanceSource, error)

	/**
	 * Returns a new object with rotated image data by 45 degrees counterclockwise.
	 * Only callable if {@link #isRotateSupported()} is true.
	 *
	 * @return A rotated version of this object.
	 */
	RotateCounterClockwise45() (LuminanceSource, error)

	String() string
}

type LuminanceSourceBase struct {
	Width  int
	Height int
}

type NotFoundException interface {
	ReaderException
	// contains filtered or unexported methods
}

type RGBLuminanceSource struct {
	LuminanceSourceBase
	// contains filtered or unexported fields
}

type Reader interface {
	/**
	 * Locates and decodes a barcode in some format within an image.
	 *
	 * @param image image of barcode to decode
	 * @return String which the barcode encodes
	 * @throws NotFoundException if no potential barcode is found
	 * @throws ChecksumException if a potential barcode is found but does not pass its checksum
	 * @throws FormatException if a potential barcode is found but format is invalid
	 */
	DecodeWithoutHints(image *BinaryBitmap) (*Result, error)

	/**
	 * Locates and decodes a barcode in some format within an image. This method also accepts
	 * hints, each possibly associated to some data, which may help the implementation decode.
	 *
	 * @param image image of barcode to decode
	 * @param hints passed as a {@link Map} from {@link DecodeHintType}
	 * to arbitrary data. The
	 * meaning of the data depends upon the hint type. The implementation may or may not do
	 * anything with these hints.
	 * @return String which the barcode encodes
	 * @throws NotFoundException if no potential barcode is found
	 * @throws ChecksumException if a potential barcode is found but does not pass its checksum
	 * @throws FormatException if a potential barcode is found but format is invalid
	 */
	Decode(image *BinaryBitmap, hints map[DecodeHintType]interface{}) (*Result, error)

	/**
	 * Resets any internal state the implementation has after a decode, to prepare it
	 * for reuse.
	 */
	Reset()
}

type ReaderException interface {
	error
	// contains filtered or unexported methods
}

type Result struct {
	// contains filtered or unexported fields
}

type ResultMetadataType int

type ResultPoint interface {
	GetX() float64
	GetY() float64
}

type ResultPointBase struct {
	// contains filtered or unexported fields
}

type ResultPointCallback func(ResultPoint)

type WriterException interface {
	error
	// contains filtered or unexported methods
}