com.jtm.qrcode

Class PlanarYUVLuminanceSource

java.lang.Object

LuminanceSource

com.jtm.qrcode.PlanarYUVLuminanceSource

public final class PlanarYUVLuminanceSource
extends LuminanceSource

This object extends LuminanceSource around an array of YUV data returned from the camera driver, with the option to crop to a rectangle within the full data. This can be used to exclude superfluous pixels around the perimeter and speed up decoding. It works for any pixel format where the Y channel is planar and appears first, including YCbCr_420_SP and YCbCr_422_SP.

Constructor Summary

Constructors

Constructor and Description
PlanarYUVLuminanceSource(byte[] yuvData, int dataWidth, int dataHeight, int left, int top, int width, int height, boolean reverseHorizontal)

Method Summary

Modifier and Type	Method and Description
byte[]	getMatrix()
byte[]	getRow(int y, byte[] row)
boolean	isCropSupported()
android.graphics.Bitmap	renderCroppedGreyscaleBitmap()

Methods inherited from class java.lang.Object

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

Constructor Detail

PlanarYUVLuminanceSource

public PlanarYUVLuminanceSource(byte[] yuvData,
                                int dataWidth,
                                int dataHeight,
                                int left,
                                int top,
                                int width,
                                int height,
                                boolean reverseHorizontal)

Method Detail

getRow

public byte[] getRow(int y,
                     byte[] row)

getMatrix

public byte[] getMatrix()

isCropSupported

public boolean isCropSupported()

renderCroppedGreyscaleBitmap

public android.graphics.Bitmap renderCroppedGreyscaleBitmap()